7610 lines
189 KiB
C
7610 lines
189 KiB
C
/* ieee.c -- Read and write IEEE-695 debugging information.
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Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc.
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Written by Ian Lance Taylor <ian@cygnus.com>.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* This file reads and writes IEEE-695 debugging information. */
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#include <stdio.h>
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#include <assert.h>
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#include "bfd.h"
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#include "ieee.h"
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#include "bucomm.h"
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#include "libiberty.h"
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#include "debug.h"
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#include "budbg.h"
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/* This structure holds an entry on the block stack. */
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struct ieee_block
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{
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/* The kind of block. */
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int kind;
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/* The source file name, for a BB5 block. */
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const char *filename;
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/* The index of the function type, for a BB4 or BB6 block. */
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unsigned int fnindx;
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/* True if this function is being skipped. */
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boolean skip;
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};
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/* This structure is the block stack. */
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#define BLOCKSTACK_SIZE (16)
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struct ieee_blockstack
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{
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/* The stack pointer. */
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struct ieee_block *bsp;
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/* The stack. */
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struct ieee_block stack[BLOCKSTACK_SIZE];
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};
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/* This structure holds information for a variable. */
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struct ieee_var
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{
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/* Start of name. */
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const char *name;
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/* Length of name. */
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unsigned long namlen;
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/* Type. */
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debug_type type;
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/* Slot if we make an indirect type. */
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debug_type *pslot;
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/* Kind of variable or function. */
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enum
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{
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IEEE_UNKNOWN,
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IEEE_EXTERNAL,
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IEEE_GLOBAL,
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IEEE_STATIC,
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IEEE_LOCAL,
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IEEE_FUNCTION
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} kind;
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};
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/* This structure holds all the variables. */
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struct ieee_vars
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{
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/* Number of slots allocated. */
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unsigned int alloc;
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/* Variables. */
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struct ieee_var *vars;
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};
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/* This structure holds information for a type. We need this because
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we don't want to represent bitfields as real types. */
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struct ieee_type
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{
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/* Type. */
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debug_type type;
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/* Slot if this is type is referenced before it is defined. */
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debug_type *pslot;
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/* Slots for arguments if we make indirect types for them. */
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debug_type *arg_slots;
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/* If this is a bitfield, this is the size in bits. If this is not
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a bitfield, this is zero. */
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unsigned long bitsize;
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};
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/* This structure holds all the type information. */
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struct ieee_types
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{
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/* Number of slots allocated. */
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unsigned int alloc;
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/* Types. */
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struct ieee_type *types;
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/* Builtin types. */
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#define BUILTIN_TYPE_COUNT (60)
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debug_type builtins[BUILTIN_TYPE_COUNT];
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};
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/* This structure holds a linked last of structs with their tag names,
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so that we can convert them to C++ classes if necessary. */
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struct ieee_tag
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{
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/* Next tag. */
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struct ieee_tag *next;
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/* This tag name. */
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const char *name;
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/* The type of the tag. */
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debug_type type;
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/* The tagged type is an indirect type pointing at this slot. */
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debug_type slot;
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/* This is an array of slots used when a field type is converted
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into a indirect type, in case it needs to be later converted into
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a reference type. */
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debug_type *fslots;
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};
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/* This structure holds the information we pass around to the parsing
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functions. */
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struct ieee_info
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{
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/* The debugging handle. */
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PTR dhandle;
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/* The BFD. */
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bfd *abfd;
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/* The start of the bytes to be parsed. */
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const bfd_byte *bytes;
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/* The end of the bytes to be parsed. */
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const bfd_byte *pend;
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/* The block stack. */
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struct ieee_blockstack blockstack;
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/* Whether we have seen a BB1 or BB2. */
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boolean saw_filename;
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/* The variables. */
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struct ieee_vars vars;
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/* The global variables, after a global typedef block. */
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struct ieee_vars *global_vars;
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/* The types. */
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struct ieee_types types;
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/* The global types, after a global typedef block. */
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struct ieee_types *global_types;
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/* The list of tagged structs. */
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struct ieee_tag *tags;
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};
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/* Basic builtin types, not including the pointers. */
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enum builtin_types
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{
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builtin_unknown = 0,
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builtin_void = 1,
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builtin_signed_char = 2,
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builtin_unsigned_char = 3,
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builtin_signed_short_int = 4,
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builtin_unsigned_short_int = 5,
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builtin_signed_long = 6,
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builtin_unsigned_long = 7,
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builtin_signed_long_long = 8,
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builtin_unsigned_long_long = 9,
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builtin_float = 10,
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builtin_double = 11,
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builtin_long_double = 12,
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builtin_long_long_double = 13,
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builtin_quoted_string = 14,
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builtin_instruction_address = 15,
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builtin_int = 16,
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builtin_unsigned = 17,
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builtin_unsigned_int = 18,
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builtin_char = 19,
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builtin_long = 20,
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builtin_short = 21,
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builtin_unsigned_short = 22,
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builtin_short_int = 23,
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builtin_signed_short = 24,
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builtin_bcd_float = 25
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};
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/* These are the values found in the derivation flags of a 'b'
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component record of a 'T' type extension record in a C++ pmisc
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record. These are bitmasks. */
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/* Set for a private base class, clear for a public base class.
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Protected base classes are not supported. */
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#define BASEFLAGS_PRIVATE (0x1)
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/* Set for a virtual base class. */
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#define BASEFLAGS_VIRTUAL (0x2)
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/* Set for a friend class, clear for a base class. */
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#define BASEFLAGS_FRIEND (0x10)
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/* These are the values found in the specs flags of a 'd', 'm', or 'v'
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component record of a 'T' type extension record in a C++ pmisc
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record. The same flags are used for a 'M' record in a C++ pmisc
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record. */
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/* The lower two bits hold visibility information. */
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#define CXXFLAGS_VISIBILITY (0x3)
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/* This value in the lower two bits indicates a public member. */
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#define CXXFLAGS_VISIBILITY_PUBLIC (0x0)
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/* This value in the lower two bits indicates a private member. */
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#define CXXFLAGS_VISIBILITY_PRIVATE (0x1)
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/* This value in the lower two bits indicates a protected member. */
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#define CXXFLAGS_VISIBILITY_PROTECTED (0x2)
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/* Set for a static member. */
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#define CXXFLAGS_STATIC (0x4)
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/* Set for a virtual override. */
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#define CXXFLAGS_OVERRIDE (0x8)
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/* Set for a friend function. */
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#define CXXFLAGS_FRIEND (0x10)
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/* Set for a const function. */
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#define CXXFLAGS_CONST (0x20)
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/* Set for a volatile function. */
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#define CXXFLAGS_VOLATILE (0x40)
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/* Set for an overloaded function. */
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#define CXXFLAGS_OVERLOADED (0x80)
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/* Set for an operator function. */
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#define CXXFLAGS_OPERATOR (0x100)
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/* Set for a constructor or destructor. */
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#define CXXFLAGS_CTORDTOR (0x400)
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/* Set for a constructor. */
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#define CXXFLAGS_CTOR (0x200)
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/* Set for an inline function. */
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#define CXXFLAGS_INLINE (0x800)
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/* Local functions. */
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static void ieee_error
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PARAMS ((struct ieee_info *, const bfd_byte *, const char *));
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static void ieee_eof PARAMS ((struct ieee_info *));
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static char *savestring PARAMS ((const char *, unsigned long));
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static boolean ieee_read_number
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PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *));
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static boolean ieee_read_optional_number
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PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *, boolean *));
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static boolean ieee_read_id
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PARAMS ((struct ieee_info *, const bfd_byte **, const char **,
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unsigned long *));
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static boolean ieee_read_optional_id
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PARAMS ((struct ieee_info *, const bfd_byte **, const char **,
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unsigned long *, boolean *));
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static boolean ieee_read_expression
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PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *));
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static debug_type ieee_builtin_type
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PARAMS ((struct ieee_info *, const bfd_byte *, unsigned int));
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static boolean ieee_alloc_type
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PARAMS ((struct ieee_info *, unsigned int, boolean));
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static boolean ieee_read_type_index
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PARAMS ((struct ieee_info *, const bfd_byte **, debug_type *));
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static int ieee_regno_to_genreg PARAMS ((bfd *, int));
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static int ieee_genreg_to_regno PARAMS ((bfd *, int));
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static boolean parse_ieee_bb PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean parse_ieee_be PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean parse_ieee_nn PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean parse_ieee_ty PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean parse_ieee_atn PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean ieee_read_cxx_misc
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PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long));
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static boolean ieee_read_cxx_class
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PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long));
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static boolean ieee_read_cxx_defaults
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PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long));
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static boolean ieee_read_reference
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PARAMS ((struct ieee_info *, const bfd_byte **));
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static boolean ieee_require_asn
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PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *));
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static boolean ieee_require_atn65
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PARAMS ((struct ieee_info *, const bfd_byte **, const char **,
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unsigned long *));
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/* Report an error in the IEEE debugging information. */
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static void
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ieee_error (info, p, s)
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struct ieee_info *info;
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const bfd_byte *p;
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const char *s;
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{
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if (p != NULL)
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fprintf (stderr, "%s: 0x%lx: %s (0x%x)\n", bfd_get_filename (info->abfd),
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(unsigned long) (p - info->bytes), s, *p);
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else
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fprintf (stderr, "%s: %s\n", bfd_get_filename (info->abfd), s);
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}
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/* Report an unexpected EOF in the IEEE debugging information. */
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static void
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ieee_eof (info)
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struct ieee_info *info;
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{
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ieee_error (info, (const bfd_byte *) NULL,
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_("unexpected end of debugging information"));
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}
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/* Save a string in memory. */
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static char *
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savestring (start, len)
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const char *start;
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unsigned long len;
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{
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char *ret;
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ret = (char *) xmalloc (len + 1);
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memcpy (ret, start, len);
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ret[len] = '\0';
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return ret;
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}
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/* Read a number which must be present in an IEEE file. */
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static boolean
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ieee_read_number (info, pp, pv)
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struct ieee_info *info;
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const bfd_byte **pp;
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bfd_vma *pv;
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{
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return ieee_read_optional_number (info, pp, pv, (boolean *) NULL);
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}
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/* Read a number in an IEEE file. If ppresent is not NULL, the number
|
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need not be there. */
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static boolean
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ieee_read_optional_number (info, pp, pv, ppresent)
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struct ieee_info *info;
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const bfd_byte **pp;
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bfd_vma *pv;
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boolean *ppresent;
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{
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||
ieee_record_enum_type b;
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if (*pp >= info->pend)
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{
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if (ppresent != NULL)
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{
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*ppresent = false;
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return true;
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}
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ieee_eof (info);
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return false;
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}
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b = (ieee_record_enum_type) **pp;
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++*pp;
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if (b <= ieee_number_end_enum)
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{
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||
*pv = (bfd_vma) b;
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if (ppresent != NULL)
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||
*ppresent = true;
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||
return true;
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||
}
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||
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if (b >= ieee_number_repeat_start_enum && b <= ieee_number_repeat_end_enum)
|
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{
|
||
unsigned int i;
|
||
|
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i = (int) b - (int) ieee_number_repeat_start_enum;
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if (*pp + i - 1 >= info->pend)
|
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{
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ieee_eof (info);
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return false;
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||
}
|
||
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*pv = 0;
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for (; i > 0; i--)
|
||
{
|
||
*pv <<= 8;
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||
*pv += **pp;
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++*pp;
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||
}
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||
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if (ppresent != NULL)
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||
*ppresent = true;
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||
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||
return true;
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||
}
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||
|
||
if (ppresent != NULL)
|
||
{
|
||
--*pp;
|
||
*ppresent = false;
|
||
return true;
|
||
}
|
||
|
||
ieee_error (info, *pp - 1, _("invalid number"));
|
||
return false;
|
||
}
|
||
|
||
/* Read a required string from an IEEE file. */
|
||
|
||
static boolean
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||
ieee_read_id (info, pp, pname, pnamlen)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
const char **pname;
|
||
unsigned long *pnamlen;
|
||
{
|
||
return ieee_read_optional_id (info, pp, pname, pnamlen, (boolean *) NULL);
|
||
}
|
||
|
||
/* Read a string from an IEEE file. If ppresent is not NULL, the
|
||
string is optional. */
|
||
|
||
static boolean
|
||
ieee_read_optional_id (info, pp, pname, pnamlen, ppresent)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
const char **pname;
|
||
unsigned long *pnamlen;
|
||
boolean *ppresent;
|
||
{
|
||
bfd_byte b;
|
||
unsigned long len;
|
||
|
||
if (*pp >= info->pend)
|
||
{
|
||
ieee_eof (info);
|
||
return false;
|
||
}
|
||
|
||
b = **pp;
|
||
++*pp;
|
||
|
||
if (b <= 0x7f)
|
||
len = b;
|
||
else if ((ieee_record_enum_type) b == ieee_extension_length_1_enum)
|
||
{
|
||
len = **pp;
|
||
++*pp;
|
||
}
|
||
else if ((ieee_record_enum_type) b == ieee_extension_length_2_enum)
|
||
{
|
||
len = (**pp << 8) + (*pp)[1];
|
||
*pp += 2;
|
||
}
|
||
else
|
||
{
|
||
if (ppresent != NULL)
|
||
{
|
||
--*pp;
|
||
*ppresent = false;
|
||
return true;
|
||
}
|
||
ieee_error (info, *pp - 1, _("invalid string length"));
|
||
return false;
|
||
}
|
||
|
||
if ((unsigned long) (info->pend - *pp) < len)
|
||
{
|
||
ieee_eof (info);
|
||
return false;
|
||
}
|
||
|
||
*pname = (const char *) *pp;
|
||
*pnamlen = len;
|
||
*pp += len;
|
||
|
||
if (ppresent != NULL)
|
||
*ppresent = true;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Read an expression from an IEEE file. Since this code is only used
|
||
to parse debugging information, I haven't bothered to write a full
|
||
blown IEEE expression parser. I've only thrown in the things I've
|
||
seen in debugging information. This can be easily extended if
|
||
necessary. */
|
||
|
||
static boolean
|
||
ieee_read_expression (info, pp, pv)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
bfd_vma *pv;
|
||
{
|
||
const bfd_byte *expr_start;
|
||
#define EXPR_STACK_SIZE (10)
|
||
bfd_vma expr_stack[EXPR_STACK_SIZE];
|
||
bfd_vma *esp;
|
||
|
||
expr_start = *pp;
|
||
|
||
esp = expr_stack;
|
||
|
||
while (1)
|
||
{
|
||
const bfd_byte *start;
|
||
bfd_vma val;
|
||
boolean present;
|
||
ieee_record_enum_type c;
|
||
|
||
start = *pp;
|
||
|
||
if (! ieee_read_optional_number (info, pp, &val, &present))
|
||
return false;
|
||
|
||
if (present)
|
||
{
|
||
if (esp - expr_stack >= EXPR_STACK_SIZE)
|
||
{
|
||
ieee_error (info, start, _("expression stack overflow"));
|
||
return false;
|
||
}
|
||
*esp++ = val;
|
||
continue;
|
||
}
|
||
|
||
c = (ieee_record_enum_type) **pp;
|
||
|
||
if (c >= ieee_module_beginning_enum)
|
||
break;
|
||
|
||
++*pp;
|
||
|
||
if (c == ieee_comma)
|
||
break;
|
||
|
||
switch (c)
|
||
{
|
||
default:
|
||
ieee_error (info, start, _("unsupported IEEE expression operator"));
|
||
break;
|
||
|
||
case ieee_variable_R_enum:
|
||
{
|
||
bfd_vma indx;
|
||
asection *s;
|
||
|
||
if (! ieee_read_number (info, pp, &indx))
|
||
return false;
|
||
for (s = info->abfd->sections; s != NULL; s = s->next)
|
||
if ((bfd_vma) s->target_index == indx)
|
||
break;
|
||
if (s == NULL)
|
||
{
|
||
ieee_error (info, start, _("unknown section"));
|
||
return false;
|
||
}
|
||
|
||
if (esp - expr_stack >= EXPR_STACK_SIZE)
|
||
{
|
||
ieee_error (info, start, _("expression stack overflow"));
|
||
return false;
|
||
}
|
||
|
||
*esp++ = bfd_get_section_vma (info->abfd, s);
|
||
}
|
||
break;
|
||
|
||
case ieee_function_plus_enum:
|
||
case ieee_function_minus_enum:
|
||
{
|
||
bfd_vma v1, v2;
|
||
|
||
if (esp - expr_stack < 2)
|
||
{
|
||
ieee_error (info, start, _("expression stack underflow"));
|
||
return false;
|
||
}
|
||
|
||
v1 = *--esp;
|
||
v2 = *--esp;
|
||
*esp++ = v1 + v2;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (esp - 1 != expr_stack)
|
||
{
|
||
ieee_error (info, expr_start, _("expression stack mismatch"));
|
||
return false;
|
||
}
|
||
|
||
*pv = *--esp;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Return an IEEE builtin type. */
|
||
|
||
static debug_type
|
||
ieee_builtin_type (info, p, indx)
|
||
struct ieee_info *info;
|
||
const bfd_byte *p;
|
||
unsigned int indx;
|
||
{
|
||
PTR dhandle;
|
||
debug_type type;
|
||
const char *name;
|
||
|
||
if (indx < BUILTIN_TYPE_COUNT
|
||
&& info->types.builtins[indx] != DEBUG_TYPE_NULL)
|
||
return info->types.builtins[indx];
|
||
|
||
dhandle = info->dhandle;
|
||
|
||
if (indx >= 32 && indx < 64)
|
||
{
|
||
type = debug_make_pointer_type (dhandle,
|
||
ieee_builtin_type (info, p, indx - 32));
|
||
assert (indx < BUILTIN_TYPE_COUNT);
|
||
info->types.builtins[indx] = type;
|
||
return type;
|
||
}
|
||
|
||
switch ((enum builtin_types) indx)
|
||
{
|
||
default:
|
||
ieee_error (info, p, _("unknown builtin type"));
|
||
return NULL;
|
||
|
||
case builtin_unknown:
|
||
type = debug_make_void_type (dhandle);
|
||
name = NULL;
|
||
break;
|
||
|
||
case builtin_void:
|
||
type = debug_make_void_type (dhandle);
|
||
name = "void";
|
||
break;
|
||
|
||
case builtin_signed_char:
|
||
type = debug_make_int_type (dhandle, 1, false);
|
||
name = "signed char";
|
||
break;
|
||
|
||
case builtin_unsigned_char:
|
||
type = debug_make_int_type (dhandle, 1, true);
|
||
name = "unsigned char";
|
||
break;
|
||
|
||
case builtin_signed_short_int:
|
||
type = debug_make_int_type (dhandle, 2, false);
|
||
name = "signed short int";
|
||
break;
|
||
|
||
case builtin_unsigned_short_int:
|
||
type = debug_make_int_type (dhandle, 2, true);
|
||
name = "unsigned short int";
|
||
break;
|
||
|
||
case builtin_signed_long:
|
||
type = debug_make_int_type (dhandle, 4, false);
|
||
name = "signed long";
|
||
break;
|
||
|
||
case builtin_unsigned_long:
|
||
type = debug_make_int_type (dhandle, 4, true);
|
||
name = "unsigned long";
|
||
break;
|
||
|
||
case builtin_signed_long_long:
|
||
type = debug_make_int_type (dhandle, 8, false);
|
||
name = "signed long long";
|
||
break;
|
||
|
||
case builtin_unsigned_long_long:
|
||
type = debug_make_int_type (dhandle, 8, true);
|
||
name = "unsigned long long";
|
||
break;
|
||
|
||
case builtin_float:
|
||
type = debug_make_float_type (dhandle, 4);
|
||
name = "float";
|
||
break;
|
||
|
||
case builtin_double:
|
||
type = debug_make_float_type (dhandle, 8);
|
||
name = "double";
|
||
break;
|
||
|
||
case builtin_long_double:
|
||
/* FIXME: The size for this type should depend upon the
|
||
processor. */
|
||
type = debug_make_float_type (dhandle, 12);
|
||
name = "long double";
|
||
break;
|
||
|
||
case builtin_long_long_double:
|
||
type = debug_make_float_type (dhandle, 16);
|
||
name = "long long double";
|
||
break;
|
||
|
||
case builtin_quoted_string:
|
||
type = debug_make_array_type (dhandle,
|
||
ieee_builtin_type (info, p,
|
||
((unsigned int)
|
||
builtin_char)),
|
||
ieee_builtin_type (info, p,
|
||
((unsigned int)
|
||
builtin_int)),
|
||
0, -1, true);
|
||
name = "QUOTED STRING";
|
||
break;
|
||
|
||
case builtin_instruction_address:
|
||
/* FIXME: This should be a code address. */
|
||
type = debug_make_int_type (dhandle, 4, true);
|
||
name = "instruction address";
|
||
break;
|
||
|
||
case builtin_int:
|
||
/* FIXME: The size for this type should depend upon the
|
||
processor. */
|
||
type = debug_make_int_type (dhandle, 4, false);
|
||
name = "int";
|
||
break;
|
||
|
||
case builtin_unsigned:
|
||
/* FIXME: The size for this type should depend upon the
|
||
processor. */
|
||
type = debug_make_int_type (dhandle, 4, true);
|
||
name = "unsigned";
|
||
break;
|
||
|
||
case builtin_unsigned_int:
|
||
/* FIXME: The size for this type should depend upon the
|
||
processor. */
|
||
type = debug_make_int_type (dhandle, 4, true);
|
||
name = "unsigned int";
|
||
break;
|
||
|
||
case builtin_char:
|
||
type = debug_make_int_type (dhandle, 1, false);
|
||
name = "char";
|
||
break;
|
||
|
||
case builtin_long:
|
||
type = debug_make_int_type (dhandle, 4, false);
|
||
name = "long";
|
||
break;
|
||
|
||
case builtin_short:
|
||
type = debug_make_int_type (dhandle, 2, false);
|
||
name = "short";
|
||
break;
|
||
|
||
case builtin_unsigned_short:
|
||
type = debug_make_int_type (dhandle, 2, true);
|
||
name = "unsigned short";
|
||
break;
|
||
|
||
case builtin_short_int:
|
||
type = debug_make_int_type (dhandle, 2, false);
|
||
name = "short int";
|
||
break;
|
||
|
||
case builtin_signed_short:
|
||
type = debug_make_int_type (dhandle, 2, false);
|
||
name = "signed short";
|
||
break;
|
||
|
||
case builtin_bcd_float:
|
||
ieee_error (info, p, _("BCD float type not supported"));
|
||
return false;
|
||
}
|
||
|
||
if (name != NULL)
|
||
type = debug_name_type (dhandle, name, type);
|
||
|
||
assert (indx < BUILTIN_TYPE_COUNT);
|
||
|
||
info->types.builtins[indx] = type;
|
||
|
||
return type;
|
||
}
|
||
|
||
/* Allocate more space in the type table. If ref is true, this is a
|
||
reference to the type; if it is not already defined, we should set
|
||
up an indirect type. */
|
||
|
||
static boolean
|
||
ieee_alloc_type (info, indx, ref)
|
||
struct ieee_info *info;
|
||
unsigned int indx;
|
||
boolean ref;
|
||
{
|
||
unsigned int nalloc;
|
||
register struct ieee_type *t;
|
||
struct ieee_type *tend;
|
||
|
||
if (indx >= info->types.alloc)
|
||
{
|
||
nalloc = info->types.alloc;
|
||
if (nalloc == 0)
|
||
nalloc = 4;
|
||
while (indx >= nalloc)
|
||
nalloc *= 2;
|
||
|
||
info->types.types = ((struct ieee_type *)
|
||
xrealloc (info->types.types,
|
||
nalloc * sizeof *info->types.types));
|
||
|
||
memset (info->types.types + info->types.alloc, 0,
|
||
(nalloc - info->types.alloc) * sizeof *info->types.types);
|
||
|
||
tend = info->types.types + nalloc;
|
||
for (t = info->types.types + info->types.alloc; t < tend; t++)
|
||
t->type = DEBUG_TYPE_NULL;
|
||
|
||
info->types.alloc = nalloc;
|
||
}
|
||
|
||
if (ref)
|
||
{
|
||
t = info->types.types + indx;
|
||
if (t->type == NULL)
|
||
{
|
||
t->pslot = (debug_type *) xmalloc (sizeof *t->pslot);
|
||
*t->pslot = DEBUG_TYPE_NULL;
|
||
t->type = debug_make_indirect_type (info->dhandle, t->pslot,
|
||
(const char *) NULL);
|
||
if (t->type == NULL)
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Read a type index and return the corresponding type. */
|
||
|
||
static boolean
|
||
ieee_read_type_index (info, pp, ptype)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
debug_type *ptype;
|
||
{
|
||
const bfd_byte *start;
|
||
bfd_vma indx;
|
||
|
||
start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &indx))
|
||
return false;
|
||
|
||
if (indx < 256)
|
||
{
|
||
*ptype = ieee_builtin_type (info, start, indx);
|
||
if (*ptype == NULL)
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
indx -= 256;
|
||
if (! ieee_alloc_type (info, indx, true))
|
||
return false;
|
||
|
||
*ptype = info->types.types[indx].type;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Parse IEEE debugging information for a file. This is passed the
|
||
bytes which compose the Debug Information Part of an IEEE file. */
|
||
|
||
boolean
|
||
parse_ieee (dhandle, abfd, bytes, len)
|
||
PTR dhandle;
|
||
bfd *abfd;
|
||
const bfd_byte *bytes;
|
||
bfd_size_type len;
|
||
{
|
||
struct ieee_info info;
|
||
unsigned int i;
|
||
const bfd_byte *p, *pend;
|
||
|
||
info.dhandle = dhandle;
|
||
info.abfd = abfd;
|
||
info.bytes = bytes;
|
||
info.pend = bytes + len;
|
||
info.blockstack.bsp = info.blockstack.stack;
|
||
info.saw_filename = false;
|
||
info.vars.alloc = 0;
|
||
info.vars.vars = NULL;
|
||
info.global_vars = NULL;
|
||
info.types.alloc = 0;
|
||
info.types.types = NULL;
|
||
info.global_types = NULL;
|
||
info.tags = NULL;
|
||
for (i = 0; i < BUILTIN_TYPE_COUNT; i++)
|
||
info.types.builtins[i] = DEBUG_TYPE_NULL;
|
||
|
||
p = bytes;
|
||
pend = info.pend;
|
||
while (p < pend)
|
||
{
|
||
const bfd_byte *record_start;
|
||
ieee_record_enum_type c;
|
||
|
||
record_start = p;
|
||
|
||
c = (ieee_record_enum_type) *p++;
|
||
|
||
if (c == ieee_at_record_enum)
|
||
c = (ieee_record_enum_type) (((unsigned int) c << 8) | *p++);
|
||
|
||
if (c <= ieee_number_repeat_end_enum)
|
||
{
|
||
ieee_error (&info, record_start, _("unexpected number"));
|
||
return false;
|
||
}
|
||
|
||
switch (c)
|
||
{
|
||
default:
|
||
ieee_error (&info, record_start, _("unexpected record type"));
|
||
return false;
|
||
|
||
case ieee_bb_record_enum:
|
||
if (! parse_ieee_bb (&info, &p))
|
||
return false;
|
||
break;
|
||
|
||
case ieee_be_record_enum:
|
||
if (! parse_ieee_be (&info, &p))
|
||
return false;
|
||
break;
|
||
|
||
case ieee_nn_record:
|
||
if (! parse_ieee_nn (&info, &p))
|
||
return false;
|
||
break;
|
||
|
||
case ieee_ty_record_enum:
|
||
if (! parse_ieee_ty (&info, &p))
|
||
return false;
|
||
break;
|
||
|
||
case ieee_atn_record_enum:
|
||
if (! parse_ieee_atn (&info, &p))
|
||
return false;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (info.blockstack.bsp != info.blockstack.stack)
|
||
{
|
||
ieee_error (&info, (const bfd_byte *) NULL,
|
||
_("blocks left on stack at end"));
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Handle an IEEE BB record. */
|
||
|
||
static boolean
|
||
parse_ieee_bb (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
const bfd_byte *block_start;
|
||
bfd_byte b;
|
||
bfd_vma size;
|
||
const char *name;
|
||
unsigned long namlen;
|
||
char *namcopy = NULL;
|
||
unsigned int fnindx;
|
||
boolean skip;
|
||
|
||
block_start = *pp;
|
||
|
||
b = **pp;
|
||
++*pp;
|
||
|
||
if (! ieee_read_number (info, pp, &size)
|
||
|| ! ieee_read_id (info, pp, &name, &namlen))
|
||
return false;
|
||
|
||
fnindx = (unsigned int) -1;
|
||
skip = false;
|
||
|
||
switch (b)
|
||
{
|
||
case 1:
|
||
/* BB1: Type definitions local to a module. */
|
||
namcopy = savestring (name, namlen);
|
||
if (namcopy == NULL)
|
||
return false;
|
||
if (! debug_set_filename (info->dhandle, namcopy))
|
||
return false;
|
||
info->saw_filename = true;
|
||
|
||
/* Discard any variables or types we may have seen before. */
|
||
if (info->vars.vars != NULL)
|
||
free (info->vars.vars);
|
||
info->vars.vars = NULL;
|
||
info->vars.alloc = 0;
|
||
if (info->types.types != NULL)
|
||
free (info->types.types);
|
||
info->types.types = NULL;
|
||
info->types.alloc = 0;
|
||
|
||
/* Initialize the types to the global types. */
|
||
if (info->global_types != NULL)
|
||
{
|
||
info->types.alloc = info->global_types->alloc;
|
||
info->types.types = ((struct ieee_type *)
|
||
xmalloc (info->types.alloc
|
||
* sizeof (*info->types.types)));
|
||
memcpy (info->types.types, info->global_types->types,
|
||
info->types.alloc * sizeof (*info->types.types));
|
||
}
|
||
|
||
break;
|
||
|
||
case 2:
|
||
/* BB2: Global type definitions. The name is supposed to be
|
||
empty, but we don't check. */
|
||
if (! debug_set_filename (info->dhandle, "*global*"))
|
||
return false;
|
||
info->saw_filename = true;
|
||
break;
|
||
|
||
case 3:
|
||
/* BB3: High level module block begin. We don't have to do
|
||
anything here. The name is supposed to be the same as for
|
||
the BB1, but we don't check. */
|
||
break;
|
||
|
||
case 4:
|
||
/* BB4: Global function. */
|
||
{
|
||
bfd_vma stackspace, typindx, offset;
|
||
debug_type return_type;
|
||
|
||
if (! ieee_read_number (info, pp, &stackspace)
|
||
|| ! ieee_read_number (info, pp, &typindx)
|
||
|| ! ieee_read_expression (info, pp, &offset))
|
||
return false;
|
||
|
||
/* We have no way to record the stack space. FIXME. */
|
||
|
||
if (typindx < 256)
|
||
{
|
||
return_type = ieee_builtin_type (info, block_start, typindx);
|
||
if (return_type == DEBUG_TYPE_NULL)
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
typindx -= 256;
|
||
if (! ieee_alloc_type (info, typindx, true))
|
||
return false;
|
||
fnindx = typindx;
|
||
return_type = info->types.types[typindx].type;
|
||
if (debug_get_type_kind (info->dhandle, return_type)
|
||
== DEBUG_KIND_FUNCTION)
|
||
return_type = debug_get_return_type (info->dhandle,
|
||
return_type);
|
||
}
|
||
|
||
namcopy = savestring (name, namlen);
|
||
if (namcopy == NULL)
|
||
return false;
|
||
if (! debug_record_function (info->dhandle, namcopy, return_type,
|
||
true, offset))
|
||
return false;
|
||
}
|
||
break;
|
||
|
||
case 5:
|
||
/* BB5: File name for source line numbers. */
|
||
{
|
||
unsigned int i;
|
||
|
||
/* We ignore the date and time. FIXME. */
|
||
for (i = 0; i < 6; i++)
|
||
{
|
||
bfd_vma ignore;
|
||
boolean present;
|
||
|
||
if (! ieee_read_optional_number (info, pp, &ignore, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
}
|
||
|
||
namcopy = savestring (name, namlen);
|
||
if (namcopy == NULL)
|
||
return false;
|
||
if (! debug_start_source (info->dhandle, namcopy))
|
||
return false;
|
||
}
|
||
break;
|
||
|
||
case 6:
|
||
/* BB6: Local function or block. */
|
||
{
|
||
bfd_vma stackspace, typindx, offset;
|
||
|
||
if (! ieee_read_number (info, pp, &stackspace)
|
||
|| ! ieee_read_number (info, pp, &typindx)
|
||
|| ! ieee_read_expression (info, pp, &offset))
|
||
return false;
|
||
|
||
/* We have no way to record the stack space. FIXME. */
|
||
|
||
if (namlen == 0)
|
||
{
|
||
if (! debug_start_block (info->dhandle, offset))
|
||
return false;
|
||
/* Change b to indicate that this is a block
|
||
rather than a function. */
|
||
b = 0x86;
|
||
}
|
||
else
|
||
{
|
||
/* The MRI C++ compiler will output a fake function named
|
||
__XRYCPP to hold C++ debugging information. We skip
|
||
that function. This is not crucial, but it makes
|
||
converting from IEEE to other debug formats work
|
||
better. */
|
||
if (strncmp (name, "__XRYCPP", namlen) == 0)
|
||
skip = true;
|
||
else
|
||
{
|
||
debug_type return_type;
|
||
|
||
if (typindx < 256)
|
||
{
|
||
return_type = ieee_builtin_type (info, block_start,
|
||
typindx);
|
||
if (return_type == NULL)
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
typindx -= 256;
|
||
if (! ieee_alloc_type (info, typindx, true))
|
||
return false;
|
||
fnindx = typindx;
|
||
return_type = info->types.types[typindx].type;
|
||
if (debug_get_type_kind (info->dhandle, return_type)
|
||
== DEBUG_KIND_FUNCTION)
|
||
return_type = debug_get_return_type (info->dhandle,
|
||
return_type);
|
||
}
|
||
|
||
namcopy = savestring (name, namlen);
|
||
if (namcopy == NULL)
|
||
return false;
|
||
if (! debug_record_function (info->dhandle, namcopy,
|
||
return_type, false, offset))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 10:
|
||
/* BB10: Assembler module scope. In the normal case, we
|
||
completely ignore all this information. FIXME. */
|
||
{
|
||
const char *inam, *vstr;
|
||
unsigned long inamlen, vstrlen;
|
||
bfd_vma tool_type;
|
||
boolean present;
|
||
unsigned int i;
|
||
|
||
if (! info->saw_filename)
|
||
{
|
||
namcopy = savestring (name, namlen);
|
||
if (namcopy == NULL)
|
||
return false;
|
||
if (! debug_set_filename (info->dhandle, namcopy))
|
||
return false;
|
||
info->saw_filename = true;
|
||
}
|
||
|
||
if (! ieee_read_id (info, pp, &inam, &inamlen)
|
||
|| ! ieee_read_number (info, pp, &tool_type)
|
||
|| ! ieee_read_optional_id (info, pp, &vstr, &vstrlen, &present))
|
||
return false;
|
||
for (i = 0; i < 6; i++)
|
||
{
|
||
bfd_vma ignore;
|
||
|
||
if (! ieee_read_optional_number (info, pp, &ignore, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 11:
|
||
/* BB11: Module section. We completely ignore all this
|
||
information. FIXME. */
|
||
{
|
||
bfd_vma sectype, secindx, offset, map;
|
||
boolean present;
|
||
|
||
if (! ieee_read_number (info, pp, §ype)
|
||
|| ! ieee_read_number (info, pp, &secindx)
|
||
|| ! ieee_read_expression (info, pp, &offset)
|
||
|| ! ieee_read_optional_number (info, pp, &map, &present))
|
||
return false;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
ieee_error (info, block_start, _("unknown BB type"));
|
||
return false;
|
||
}
|
||
|
||
|
||
/* Push this block on the block stack. */
|
||
|
||
if (info->blockstack.bsp >= info->blockstack.stack + BLOCKSTACK_SIZE)
|
||
{
|
||
ieee_error (info, (const bfd_byte *) NULL, _("stack overflow"));
|
||
return false;
|
||
}
|
||
|
||
info->blockstack.bsp->kind = b;
|
||
if (b == 5)
|
||
info->blockstack.bsp->filename = namcopy;
|
||
info->blockstack.bsp->fnindx = fnindx;
|
||
info->blockstack.bsp->skip = skip;
|
||
++info->blockstack.bsp;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Handle an IEEE BE record. */
|
||
|
||
static boolean
|
||
parse_ieee_be (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
bfd_vma offset;
|
||
|
||
if (info->blockstack.bsp <= info->blockstack.stack)
|
||
{
|
||
ieee_error (info, *pp, _("stack underflow"));
|
||
return false;
|
||
}
|
||
--info->blockstack.bsp;
|
||
|
||
switch (info->blockstack.bsp->kind)
|
||
{
|
||
case 2:
|
||
/* When we end the global typedefs block, we copy out the the
|
||
contents of info->vars. This is because the variable indices
|
||
may be reused in the local blocks. However, we need to
|
||
preserve them so that we can locate a function returning a
|
||
reference variable whose type is named in the global typedef
|
||
block. */
|
||
info->global_vars = ((struct ieee_vars *)
|
||
xmalloc (sizeof *info->global_vars));
|
||
info->global_vars->alloc = info->vars.alloc;
|
||
info->global_vars->vars = ((struct ieee_var *)
|
||
xmalloc (info->vars.alloc
|
||
* sizeof (*info->vars.vars)));
|
||
memcpy (info->global_vars->vars, info->vars.vars,
|
||
info->vars.alloc * sizeof (*info->vars.vars));
|
||
|
||
/* We also copy out the non builtin parts of info->types, since
|
||
the types are discarded when we start a new block. */
|
||
info->global_types = ((struct ieee_types *)
|
||
xmalloc (sizeof *info->global_types));
|
||
info->global_types->alloc = info->types.alloc;
|
||
info->global_types->types = ((struct ieee_type *)
|
||
xmalloc (info->types.alloc
|
||
* sizeof (*info->types.types)));
|
||
memcpy (info->global_types->types, info->types.types,
|
||
info->types.alloc * sizeof (*info->types.types));
|
||
memset (info->global_types->builtins, 0,
|
||
sizeof (info->global_types->builtins));
|
||
|
||
break;
|
||
|
||
case 4:
|
||
case 6:
|
||
if (! ieee_read_expression (info, pp, &offset))
|
||
return false;
|
||
if (! info->blockstack.bsp->skip)
|
||
{
|
||
if (! debug_end_function (info->dhandle, offset + 1))
|
||
return false;
|
||
}
|
||
break;
|
||
|
||
case 0x86:
|
||
/* This is BE6 when BB6 started a block rather than a local
|
||
function. */
|
||
if (! ieee_read_expression (info, pp, &offset))
|
||
return false;
|
||
if (! debug_end_block (info->dhandle, offset + 1))
|
||
return false;
|
||
break;
|
||
|
||
case 5:
|
||
/* When we end a BB5, we look up the stack for the last BB5, if
|
||
there is one, so that we can call debug_start_source. */
|
||
if (info->blockstack.bsp > info->blockstack.stack)
|
||
{
|
||
struct ieee_block *bl;
|
||
|
||
bl = info->blockstack.bsp;
|
||
do
|
||
{
|
||
--bl;
|
||
if (bl->kind == 5)
|
||
{
|
||
if (! debug_start_source (info->dhandle, bl->filename))
|
||
return false;
|
||
break;
|
||
}
|
||
}
|
||
while (bl != info->blockstack.stack);
|
||
}
|
||
break;
|
||
|
||
case 11:
|
||
if (! ieee_read_expression (info, pp, &offset))
|
||
return false;
|
||
/* We just ignore the module size. FIXME. */
|
||
break;
|
||
|
||
default:
|
||
/* Other block types do not have any trailing information. */
|
||
break;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Parse an NN record. */
|
||
|
||
static boolean
|
||
parse_ieee_nn (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
const bfd_byte *nn_start;
|
||
bfd_vma varindx;
|
||
const char *name;
|
||
unsigned long namlen;
|
||
|
||
nn_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &varindx)
|
||
|| ! ieee_read_id (info, pp, &name, &namlen))
|
||
return false;
|
||
|
||
if (varindx < 32)
|
||
{
|
||
ieee_error (info, nn_start, _("illegal variable index"));
|
||
return false;
|
||
}
|
||
varindx -= 32;
|
||
|
||
if (varindx >= info->vars.alloc)
|
||
{
|
||
unsigned int alloc;
|
||
|
||
alloc = info->vars.alloc;
|
||
if (alloc == 0)
|
||
alloc = 4;
|
||
while (varindx >= alloc)
|
||
alloc *= 2;
|
||
info->vars.vars = ((struct ieee_var *)
|
||
xrealloc (info->vars.vars,
|
||
alloc * sizeof *info->vars.vars));
|
||
memset (info->vars.vars + info->vars.alloc, 0,
|
||
(alloc - info->vars.alloc) * sizeof *info->vars.vars);
|
||
info->vars.alloc = alloc;
|
||
}
|
||
|
||
info->vars.vars[varindx].name = name;
|
||
info->vars.vars[varindx].namlen = namlen;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Parse a TY record. */
|
||
|
||
static boolean
|
||
parse_ieee_ty (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
const bfd_byte *ty_start, *ty_var_start, *ty_code_start;
|
||
bfd_vma typeindx, varindx, tc;
|
||
PTR dhandle;
|
||
boolean tag, typdef;
|
||
debug_type *arg_slots;
|
||
unsigned long type_bitsize;
|
||
debug_type type;
|
||
|
||
ty_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &typeindx))
|
||
return false;
|
||
|
||
if (typeindx < 256)
|
||
{
|
||
ieee_error (info, ty_start, _("illegal type index"));
|
||
return false;
|
||
}
|
||
|
||
typeindx -= 256;
|
||
if (! ieee_alloc_type (info, typeindx, false))
|
||
return false;
|
||
|
||
if (**pp != 0xce)
|
||
{
|
||
ieee_error (info, *pp, _("unknown TY code"));
|
||
return false;
|
||
}
|
||
++*pp;
|
||
|
||
ty_var_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &varindx))
|
||
return false;
|
||
|
||
if (varindx < 32)
|
||
{
|
||
ieee_error (info, ty_var_start, _("illegal variable index"));
|
||
return false;
|
||
}
|
||
varindx -= 32;
|
||
|
||
if (varindx >= info->vars.alloc || info->vars.vars[varindx].name == NULL)
|
||
{
|
||
ieee_error (info, ty_var_start, _("undefined variable in TY"));
|
||
return false;
|
||
}
|
||
|
||
ty_code_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &tc))
|
||
return false;
|
||
|
||
dhandle = info->dhandle;
|
||
|
||
tag = false;
|
||
typdef = false;
|
||
arg_slots = NULL;
|
||
type_bitsize = 0;
|
||
switch (tc)
|
||
{
|
||
default:
|
||
ieee_error (info, ty_code_start, _("unknown TY code"));
|
||
return false;
|
||
|
||
case '!':
|
||
/* Unknown type, with size. We treat it as int. FIXME. */
|
||
{
|
||
bfd_vma size;
|
||
|
||
if (! ieee_read_number (info, pp, &size))
|
||
return false;
|
||
type = debug_make_int_type (dhandle, size, false);
|
||
}
|
||
break;
|
||
|
||
case 'A': /* Array. */
|
||
case 'a': /* FORTRAN array in column/row order. FIXME: Not
|
||
distinguished from normal array. */
|
||
{
|
||
debug_type ele_type;
|
||
bfd_vma lower, upper;
|
||
|
||
if (! ieee_read_type_index (info, pp, &ele_type)
|
||
|| ! ieee_read_number (info, pp, &lower)
|
||
|| ! ieee_read_number (info, pp, &upper))
|
||
return false;
|
||
type = debug_make_array_type (dhandle, ele_type,
|
||
ieee_builtin_type (info, ty_code_start,
|
||
((unsigned int)
|
||
builtin_int)),
|
||
(bfd_signed_vma) lower,
|
||
(bfd_signed_vma) upper,
|
||
false);
|
||
}
|
||
break;
|
||
|
||
case 'E':
|
||
/* Simple enumeration. */
|
||
{
|
||
bfd_vma size;
|
||
unsigned int alloc;
|
||
const char **names;
|
||
unsigned int c;
|
||
bfd_signed_vma *vals;
|
||
unsigned int i;
|
||
|
||
if (! ieee_read_number (info, pp, &size))
|
||
return false;
|
||
/* FIXME: we ignore the enumeration size. */
|
||
|
||
alloc = 10;
|
||
names = (const char **) xmalloc (alloc * sizeof *names);
|
||
memset (names, 0, alloc * sizeof *names);
|
||
c = 0;
|
||
while (1)
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
boolean present;
|
||
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
|
||
if (c + 1 >= alloc)
|
||
{
|
||
alloc += 10;
|
||
names = ((const char **)
|
||
xrealloc (names, alloc * sizeof *names));
|
||
}
|
||
|
||
names[c] = savestring (name, namlen);
|
||
if (names[c] == NULL)
|
||
return false;
|
||
++c;
|
||
}
|
||
|
||
names[c] = NULL;
|
||
|
||
vals = (bfd_signed_vma *) xmalloc (c * sizeof *vals);
|
||
for (i = 0; i < c; i++)
|
||
vals[i] = i;
|
||
|
||
type = debug_make_enum_type (dhandle, names, vals);
|
||
tag = true;
|
||
}
|
||
break;
|
||
|
||
case 'G':
|
||
/* Struct with bit fields. */
|
||
{
|
||
bfd_vma size;
|
||
unsigned int alloc;
|
||
debug_field *fields;
|
||
unsigned int c;
|
||
|
||
if (! ieee_read_number (info, pp, &size))
|
||
return false;
|
||
|
||
alloc = 10;
|
||
fields = (debug_field *) xmalloc (alloc * sizeof *fields);
|
||
c = 0;
|
||
while (1)
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
boolean present;
|
||
debug_type ftype;
|
||
bfd_vma bitpos, bitsize;
|
||
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
if (! ieee_read_type_index (info, pp, &ftype)
|
||
|| ! ieee_read_number (info, pp, &bitpos)
|
||
|| ! ieee_read_number (info, pp, &bitsize))
|
||
return false;
|
||
|
||
if (c + 1 >= alloc)
|
||
{
|
||
alloc += 10;
|
||
fields = ((debug_field *)
|
||
xrealloc (fields, alloc * sizeof *fields));
|
||
}
|
||
|
||
fields[c] = debug_make_field (dhandle, savestring (name, namlen),
|
||
ftype, bitpos, bitsize,
|
||
DEBUG_VISIBILITY_PUBLIC);
|
||
if (fields[c] == NULL)
|
||
return false;
|
||
++c;
|
||
}
|
||
|
||
fields[c] = NULL;
|
||
|
||
type = debug_make_struct_type (dhandle, true, size, fields);
|
||
tag = true;
|
||
}
|
||
break;
|
||
|
||
case 'N':
|
||
/* Enumeration. */
|
||
{
|
||
unsigned int alloc;
|
||
const char **names;
|
||
bfd_signed_vma *vals;
|
||
unsigned int c;
|
||
|
||
alloc = 10;
|
||
names = (const char **) xmalloc (alloc * sizeof *names);
|
||
vals = (bfd_signed_vma *) xmalloc (alloc * sizeof *names);
|
||
c = 0;
|
||
while (1)
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
boolean present;
|
||
bfd_vma val;
|
||
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
if (! ieee_read_number (info, pp, &val))
|
||
return false;
|
||
|
||
/* If the length of the name is zero, then the value is
|
||
actually the size of the enum. We ignore this
|
||
information. FIXME. */
|
||
if (namlen == 0)
|
||
continue;
|
||
|
||
if (c + 1 >= alloc)
|
||
{
|
||
alloc += 10;
|
||
names = ((const char **)
|
||
xrealloc (names, alloc * sizeof *names));
|
||
vals = ((bfd_signed_vma *)
|
||
xrealloc (vals, alloc * sizeof *vals));
|
||
}
|
||
|
||
names[c] = savestring (name, namlen);
|
||
if (names[c] == NULL)
|
||
return false;
|
||
vals[c] = (bfd_signed_vma) val;
|
||
++c;
|
||
}
|
||
|
||
names[c] = NULL;
|
||
|
||
type = debug_make_enum_type (dhandle, names, vals);
|
||
tag = true;
|
||
}
|
||
break;
|
||
|
||
case 'O': /* Small pointer. We don't distinguish small and large
|
||
pointers. FIXME. */
|
||
case 'P': /* Large pointer. */
|
||
{
|
||
debug_type t;
|
||
|
||
if (! ieee_read_type_index (info, pp, &t))
|
||
return false;
|
||
type = debug_make_pointer_type (dhandle, t);
|
||
}
|
||
break;
|
||
|
||
case 'R':
|
||
/* Range. */
|
||
{
|
||
bfd_vma low, high, signedp, size;
|
||
|
||
if (! ieee_read_number (info, pp, &low)
|
||
|| ! ieee_read_number (info, pp, &high)
|
||
|| ! ieee_read_number (info, pp, &signedp)
|
||
|| ! ieee_read_number (info, pp, &size))
|
||
return false;
|
||
|
||
type = debug_make_range_type (dhandle,
|
||
debug_make_int_type (dhandle, size,
|
||
! signedp),
|
||
(bfd_signed_vma) low,
|
||
(bfd_signed_vma) high);
|
||
}
|
||
break;
|
||
|
||
case 'S': /* Struct. */
|
||
case 'U': /* Union. */
|
||
{
|
||
bfd_vma size;
|
||
unsigned int alloc;
|
||
debug_field *fields;
|
||
unsigned int c;
|
||
|
||
if (! ieee_read_number (info, pp, &size))
|
||
return false;
|
||
|
||
alloc = 10;
|
||
fields = (debug_field *) xmalloc (alloc * sizeof *fields);
|
||
c = 0;
|
||
while (1)
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
boolean present;
|
||
bfd_vma tindx;
|
||
bfd_vma offset;
|
||
debug_type ftype;
|
||
bfd_vma bitsize;
|
||
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
if (! present)
|
||
break;
|
||
if (! ieee_read_number (info, pp, &tindx)
|
||
|| ! ieee_read_number (info, pp, &offset))
|
||
return false;
|
||
|
||
if (tindx < 256)
|
||
{
|
||
ftype = ieee_builtin_type (info, ty_code_start, tindx);
|
||
bitsize = 0;
|
||
offset *= 8;
|
||
}
|
||
else
|
||
{
|
||
struct ieee_type *t;
|
||
|
||
tindx -= 256;
|
||
if (! ieee_alloc_type (info, tindx, true))
|
||
return false;
|
||
t = info->types.types + tindx;
|
||
ftype = t->type;
|
||
bitsize = t->bitsize;
|
||
if (bitsize == 0)
|
||
offset *= 8;
|
||
}
|
||
|
||
if (c + 1 >= alloc)
|
||
{
|
||
alloc += 10;
|
||
fields = ((debug_field *)
|
||
xrealloc (fields, alloc * sizeof *fields));
|
||
}
|
||
|
||
fields[c] = debug_make_field (dhandle, savestring (name, namlen),
|
||
ftype, offset, bitsize,
|
||
DEBUG_VISIBILITY_PUBLIC);
|
||
if (fields[c] == NULL)
|
||
return false;
|
||
++c;
|
||
}
|
||
|
||
fields[c] = NULL;
|
||
|
||
type = debug_make_struct_type (dhandle, tc == 'S', size, fields);
|
||
tag = true;
|
||
}
|
||
break;
|
||
|
||
case 'T':
|
||
/* Typedef. */
|
||
if (! ieee_read_type_index (info, pp, &type))
|
||
return false;
|
||
typdef = true;
|
||
break;
|
||
|
||
case 'X':
|
||
/* Procedure. FIXME: This is an extern declaration, which we
|
||
have no way of representing. */
|
||
{
|
||
bfd_vma attr;
|
||
debug_type rtype;
|
||
bfd_vma nargs;
|
||
boolean present;
|
||
struct ieee_var *pv;
|
||
|
||
/* FIXME: We ignore the attribute and the argument names. */
|
||
|
||
if (! ieee_read_number (info, pp, &attr)
|
||
|| ! ieee_read_type_index (info, pp, &rtype)
|
||
|| ! ieee_read_number (info, pp, &nargs))
|
||
return false;
|
||
do
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
}
|
||
while (present);
|
||
|
||
pv = info->vars.vars + varindx;
|
||
pv->kind = IEEE_EXTERNAL;
|
||
if (pv->namlen > 0
|
||
&& debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER)
|
||
{
|
||
/* Set up the return type as an indirect type pointing to
|
||
the variable slot, so that we can change it to a
|
||
reference later if appropriate. */
|
||
pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot);
|
||
*pv->pslot = rtype;
|
||
rtype = debug_make_indirect_type (dhandle, pv->pslot,
|
||
(const char *) NULL);
|
||
}
|
||
|
||
type = debug_make_function_type (dhandle, rtype, (debug_type *) NULL,
|
||
false);
|
||
}
|
||
break;
|
||
|
||
case 'V':
|
||
/* Void. This is not documented, but the MRI compiler emits it. */
|
||
type = debug_make_void_type (dhandle);
|
||
break;
|
||
|
||
case 'Z':
|
||
/* Array with 0 lower bound. */
|
||
{
|
||
debug_type etype;
|
||
bfd_vma high;
|
||
|
||
if (! ieee_read_type_index (info, pp, &etype)
|
||
|| ! ieee_read_number (info, pp, &high))
|
||
return false;
|
||
|
||
type = debug_make_array_type (dhandle, etype,
|
||
ieee_builtin_type (info, ty_code_start,
|
||
((unsigned int)
|
||
builtin_int)),
|
||
0, (bfd_signed_vma) high, false);
|
||
}
|
||
break;
|
||
|
||
case 'c': /* Complex. */
|
||
case 'd': /* Double complex. */
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
|
||
/* FIXME: I don't know what the name means. */
|
||
|
||
if (! ieee_read_id (info, pp, &name, &namlen))
|
||
return false;
|
||
|
||
type = debug_make_complex_type (dhandle, tc == 'c' ? 4 : 8);
|
||
}
|
||
break;
|
||
|
||
case 'f':
|
||
/* Pascal file name. FIXME. */
|
||
ieee_error (info, ty_code_start, _("Pascal file name not supported"));
|
||
return false;
|
||
|
||
case 'g':
|
||
/* Bitfield type. */
|
||
{
|
||
bfd_vma signedp, bitsize, dummy;
|
||
const bfd_byte *hold;
|
||
boolean present;
|
||
|
||
if (! ieee_read_number (info, pp, &signedp)
|
||
|| ! ieee_read_number (info, pp, &bitsize))
|
||
return false;
|
||
|
||
/* I think the documentation says that there is a type index,
|
||
but some actual files do not have one. */
|
||
hold = *pp;
|
||
if (! ieee_read_optional_number (info, pp, &dummy, &present))
|
||
return false;
|
||
if (! present)
|
||
{
|
||
/* FIXME: This is just a guess. */
|
||
type = debug_make_int_type (dhandle, 4,
|
||
signedp ? false : true);
|
||
}
|
||
else
|
||
{
|
||
*pp = hold;
|
||
if (! ieee_read_type_index (info, pp, &type))
|
||
return false;
|
||
}
|
||
type_bitsize = bitsize;
|
||
}
|
||
break;
|
||
|
||
case 'n':
|
||
/* Qualifier. */
|
||
{
|
||
bfd_vma kind;
|
||
debug_type t;
|
||
|
||
if (! ieee_read_number (info, pp, &kind)
|
||
|| ! ieee_read_type_index (info, pp, &t))
|
||
return false;
|
||
|
||
switch (kind)
|
||
{
|
||
default:
|
||
ieee_error (info, ty_start, _("unsupported qualifer"));
|
||
return false;
|
||
|
||
case 1:
|
||
type = debug_make_const_type (dhandle, t);
|
||
break;
|
||
|
||
case 2:
|
||
type = debug_make_volatile_type (dhandle, t);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 's':
|
||
/* Set. */
|
||
{
|
||
bfd_vma size;
|
||
debug_type etype;
|
||
|
||
if (! ieee_read_number (info, pp, &size)
|
||
|| ! ieee_read_type_index (info, pp, &etype))
|
||
return false;
|
||
|
||
/* FIXME: We ignore the size. */
|
||
|
||
type = debug_make_set_type (dhandle, etype, false);
|
||
}
|
||
break;
|
||
|
||
case 'x':
|
||
/* Procedure with compiler dependencies. */
|
||
{
|
||
struct ieee_var *pv;
|
||
bfd_vma attr, frame_type, push_mask, nargs, level, father;
|
||
debug_type rtype;
|
||
debug_type *arg_types;
|
||
boolean varargs;
|
||
boolean present;
|
||
|
||
/* FIXME: We ignore some of this information. */
|
||
|
||
pv = info->vars.vars + varindx;
|
||
|
||
if (! ieee_read_number (info, pp, &attr)
|
||
|| ! ieee_read_number (info, pp, &frame_type)
|
||
|| ! ieee_read_number (info, pp, &push_mask)
|
||
|| ! ieee_read_type_index (info, pp, &rtype)
|
||
|| ! ieee_read_number (info, pp, &nargs))
|
||
return false;
|
||
if (nargs == (bfd_vma) -1)
|
||
{
|
||
arg_types = NULL;
|
||
varargs = false;
|
||
}
|
||
else
|
||
{
|
||
unsigned int i;
|
||
|
||
arg_types = ((debug_type *)
|
||
xmalloc ((nargs + 1) * sizeof *arg_types));
|
||
for (i = 0; i < nargs; i++)
|
||
if (! ieee_read_type_index (info, pp, arg_types + i))
|
||
return false;
|
||
|
||
/* If the last type is pointer to void, this is really a
|
||
varargs function. */
|
||
varargs = false;
|
||
if (nargs > 0)
|
||
{
|
||
debug_type last;
|
||
|
||
last = arg_types[nargs - 1];
|
||
if (debug_get_type_kind (dhandle, last) == DEBUG_KIND_POINTER
|
||
&& (debug_get_type_kind (dhandle,
|
||
debug_get_target_type (dhandle,
|
||
last))
|
||
== DEBUG_KIND_VOID))
|
||
{
|
||
--nargs;
|
||
varargs = true;
|
||
}
|
||
}
|
||
|
||
/* If there are any pointer arguments, turn them into
|
||
indirect types in case we later need to convert them to
|
||
reference types. */
|
||
for (i = 0; i < nargs; i++)
|
||
{
|
||
if (debug_get_type_kind (dhandle, arg_types[i])
|
||
== DEBUG_KIND_POINTER)
|
||
{
|
||
if (arg_slots == NULL)
|
||
{
|
||
arg_slots = ((debug_type *)
|
||
xmalloc (nargs * sizeof *arg_slots));
|
||
memset (arg_slots, 0, nargs * sizeof *arg_slots);
|
||
}
|
||
arg_slots[i] = arg_types[i];
|
||
arg_types[i] =
|
||
debug_make_indirect_type (dhandle,
|
||
arg_slots + i,
|
||
(const char *) NULL);
|
||
}
|
||
}
|
||
|
||
arg_types[nargs] = DEBUG_TYPE_NULL;
|
||
}
|
||
if (! ieee_read_number (info, pp, &level)
|
||
|| ! ieee_read_optional_number (info, pp, &father, &present))
|
||
return false;
|
||
|
||
/* We can't distinguish between a global function and a static
|
||
function. */
|
||
pv->kind = IEEE_FUNCTION;
|
||
|
||
if (pv->namlen > 0
|
||
&& debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER)
|
||
{
|
||
/* Set up the return type as an indirect type pointing to
|
||
the variable slot, so that we can change it to a
|
||
reference later if appropriate. */
|
||
pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot);
|
||
*pv->pslot = rtype;
|
||
rtype = debug_make_indirect_type (dhandle, pv->pslot,
|
||
(const char *) NULL);
|
||
}
|
||
|
||
type = debug_make_function_type (dhandle, rtype, arg_types, varargs);
|
||
}
|
||
break;
|
||
}
|
||
|
||
/* Record the type in the table. */
|
||
|
||
if (type == DEBUG_TYPE_NULL)
|
||
return false;
|
||
|
||
info->vars.vars[varindx].type = type;
|
||
|
||
if ((tag || typdef)
|
||
&& info->vars.vars[varindx].namlen > 0)
|
||
{
|
||
const char *name;
|
||
|
||
name = savestring (info->vars.vars[varindx].name,
|
||
info->vars.vars[varindx].namlen);
|
||
if (typdef)
|
||
type = debug_name_type (dhandle, name, type);
|
||
else if (tc == 'E' || tc == 'N')
|
||
type = debug_tag_type (dhandle, name, type);
|
||
else
|
||
{
|
||
struct ieee_tag *it;
|
||
|
||
/* We must allocate all struct tags as indirect types, so
|
||
that if we later see a definition of the tag as a C++
|
||
record we can update the indirect slot and automatically
|
||
change all the existing references. */
|
||
it = (struct ieee_tag *) xmalloc (sizeof *it);
|
||
memset (it, 0, sizeof *it);
|
||
it->next = info->tags;
|
||
info->tags = it;
|
||
it->name = name;
|
||
it->slot = type;
|
||
|
||
type = debug_make_indirect_type (dhandle, &it->slot, name);
|
||
type = debug_tag_type (dhandle, name, type);
|
||
|
||
it->type = type;
|
||
}
|
||
if (type == NULL)
|
||
return false;
|
||
}
|
||
|
||
info->types.types[typeindx].type = type;
|
||
info->types.types[typeindx].arg_slots = arg_slots;
|
||
info->types.types[typeindx].bitsize = type_bitsize;
|
||
|
||
/* We may have already allocated type as an indirect type pointing
|
||
to slot. It does no harm to replace the indirect type with the
|
||
real type. Filling in slot as well handles the indirect types
|
||
which are already hanging around. */
|
||
if (info->types.types[typeindx].pslot != NULL)
|
||
*info->types.types[typeindx].pslot = type;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Parse an ATN record. */
|
||
|
||
static boolean
|
||
parse_ieee_atn (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
const bfd_byte *atn_start, *atn_code_start;
|
||
bfd_vma varindx;
|
||
struct ieee_var *pvar;
|
||
debug_type type;
|
||
bfd_vma atn_code;
|
||
PTR dhandle;
|
||
bfd_vma v, v2, v3, v4, v5;
|
||
const char *name;
|
||
unsigned long namlen;
|
||
char *namcopy;
|
||
boolean present;
|
||
int blocktype;
|
||
|
||
atn_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &varindx)
|
||
|| ! ieee_read_type_index (info, pp, &type))
|
||
return false;
|
||
|
||
atn_code_start = *pp;
|
||
|
||
if (! ieee_read_number (info, pp, &atn_code))
|
||
return false;
|
||
|
||
if (varindx == 0)
|
||
{
|
||
pvar = NULL;
|
||
name = "";
|
||
namlen = 0;
|
||
}
|
||
else if (varindx < 32)
|
||
{
|
||
/* The MRI compiler reportedly sometimes emits variable lifetime
|
||
information for a register. We just ignore it. */
|
||
if (atn_code == 9)
|
||
return ieee_read_number (info, pp, &v);
|
||
|
||
ieee_error (info, atn_start, _("illegal variable index"));
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
varindx -= 32;
|
||
if (varindx >= info->vars.alloc
|
||
|| info->vars.vars[varindx].name == NULL)
|
||
{
|
||
/* The MRI compiler or linker sometimes omits the NN record
|
||
for a pmisc record. */
|
||
if (atn_code == 62)
|
||
{
|
||
if (varindx >= info->vars.alloc)
|
||
{
|
||
unsigned int alloc;
|
||
|
||
alloc = info->vars.alloc;
|
||
if (alloc == 0)
|
||
alloc = 4;
|
||
while (varindx >= alloc)
|
||
alloc *= 2;
|
||
info->vars.vars = ((struct ieee_var *)
|
||
xrealloc (info->vars.vars,
|
||
(alloc
|
||
* sizeof *info->vars.vars)));
|
||
memset (info->vars.vars + info->vars.alloc, 0,
|
||
((alloc - info->vars.alloc)
|
||
* sizeof *info->vars.vars));
|
||
info->vars.alloc = alloc;
|
||
}
|
||
|
||
pvar = info->vars.vars + varindx;
|
||
pvar->name = "";
|
||
pvar->namlen = 0;
|
||
}
|
||
else
|
||
{
|
||
ieee_error (info, atn_start, _("undefined variable in ATN"));
|
||
return false;
|
||
}
|
||
}
|
||
|
||
pvar = info->vars.vars + varindx;
|
||
|
||
pvar->type = type;
|
||
|
||
name = pvar->name;
|
||
namlen = pvar->namlen;
|
||
}
|
||
|
||
dhandle = info->dhandle;
|
||
|
||
/* If we are going to call debug_record_variable with a pointer
|
||
type, change the type to an indirect type so that we can later
|
||
change it to a reference type if we encounter a C++ pmisc 'R'
|
||
record. */
|
||
if (pvar != NULL
|
||
&& type != DEBUG_TYPE_NULL
|
||
&& debug_get_type_kind (dhandle, type) == DEBUG_KIND_POINTER)
|
||
{
|
||
switch (atn_code)
|
||
{
|
||
case 1:
|
||
case 2:
|
||
case 3:
|
||
case 5:
|
||
case 8:
|
||
case 10:
|
||
pvar->pslot = (debug_type *) xmalloc (sizeof *pvar->pslot);
|
||
*pvar->pslot = type;
|
||
type = debug_make_indirect_type (dhandle, pvar->pslot,
|
||
(const char *) NULL);
|
||
pvar->type = type;
|
||
break;
|
||
}
|
||
}
|
||
|
||
switch (atn_code)
|
||
{
|
||
default:
|
||
ieee_error (info, atn_code_start, _("unknown ATN type"));
|
||
return false;
|
||
|
||
case 1:
|
||
/* Automatic variable. */
|
||
if (! ieee_read_number (info, pp, &v))
|
||
return false;
|
||
namcopy = savestring (name, namlen);
|
||
if (type == NULL)
|
||
type = debug_make_void_type (dhandle);
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_LOCAL;
|
||
return debug_record_variable (dhandle, namcopy, type, DEBUG_LOCAL, v);
|
||
|
||
case 2:
|
||
/* Register variable. */
|
||
if (! ieee_read_number (info, pp, &v))
|
||
return false;
|
||
namcopy = savestring (name, namlen);
|
||
if (type == NULL)
|
||
type = debug_make_void_type (dhandle);
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_LOCAL;
|
||
return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER,
|
||
ieee_regno_to_genreg (info->abfd, v));
|
||
|
||
case 3:
|
||
/* Static variable. */
|
||
if (! ieee_require_asn (info, pp, &v))
|
||
return false;
|
||
namcopy = savestring (name, namlen);
|
||
if (type == NULL)
|
||
type = debug_make_void_type (dhandle);
|
||
if (info->blockstack.bsp <= info->blockstack.stack)
|
||
blocktype = 0;
|
||
else
|
||
blocktype = info->blockstack.bsp[-1].kind;
|
||
if (pvar != NULL)
|
||
{
|
||
if (blocktype == 4 || blocktype == 6)
|
||
pvar->kind = IEEE_LOCAL;
|
||
else
|
||
pvar->kind = IEEE_STATIC;
|
||
}
|
||
return debug_record_variable (dhandle, namcopy, type,
|
||
(blocktype == 4 || blocktype == 6
|
||
? DEBUG_LOCAL_STATIC
|
||
: DEBUG_STATIC),
|
||
v);
|
||
|
||
case 4:
|
||
/* External function. We don't currently record these. FIXME. */
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_EXTERNAL;
|
||
return true;
|
||
|
||
case 5:
|
||
/* External variable. We don't currently record these. FIXME. */
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_EXTERNAL;
|
||
return true;
|
||
|
||
case 7:
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_number (info, pp, &v2)
|
||
|| ! ieee_read_optional_number (info, pp, &v3, &present))
|
||
return false;
|
||
if (present)
|
||
{
|
||
if (! ieee_read_optional_number (info, pp, &v4, &present))
|
||
return false;
|
||
}
|
||
|
||
/* We just ignore the two optional fields in v3 and v4, since
|
||
they are not defined. */
|
||
|
||
if (! ieee_require_asn (info, pp, &v3))
|
||
return false;
|
||
|
||
/* We have no way to record the column number. FIXME. */
|
||
|
||
return debug_record_line (dhandle, v, v3);
|
||
|
||
case 8:
|
||
/* Global variable. */
|
||
if (! ieee_require_asn (info, pp, &v))
|
||
return false;
|
||
namcopy = savestring (name, namlen);
|
||
if (type == NULL)
|
||
type = debug_make_void_type (dhandle);
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_GLOBAL;
|
||
return debug_record_variable (dhandle, namcopy, type, DEBUG_GLOBAL, v);
|
||
|
||
case 9:
|
||
/* Variable lifetime information. */
|
||
if (! ieee_read_number (info, pp, &v))
|
||
return false;
|
||
|
||
/* We have no way to record this information. FIXME. */
|
||
return true;
|
||
|
||
case 10:
|
||
/* Locked register. The spec says that there are two required
|
||
fields, but at least on occasion the MRI compiler only emits
|
||
one. */
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_optional_number (info, pp, &v2, &present))
|
||
return false;
|
||
|
||
/* I think this means a variable that is both in a register and
|
||
a frame slot. We ignore the frame slot. FIXME. */
|
||
|
||
namcopy = savestring (name, namlen);
|
||
if (type == NULL)
|
||
type = debug_make_void_type (dhandle);
|
||
if (pvar != NULL)
|
||
pvar->kind = IEEE_LOCAL;
|
||
return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, v);
|
||
|
||
case 11:
|
||
/* Reserved for FORTRAN common. */
|
||
ieee_error (info, atn_code_start, _("unsupported ATN11"));
|
||
|
||
/* Return true to keep going. */
|
||
return true;
|
||
|
||
case 12:
|
||
/* Based variable. */
|
||
v3 = 0;
|
||
v4 = 0x80;
|
||
v5 = 0;
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_number (info, pp, &v2)
|
||
|| ! ieee_read_optional_number (info, pp, &v3, &present))
|
||
return false;
|
||
if (present)
|
||
{
|
||
if (! ieee_read_optional_number (info, pp, &v4, &present))
|
||
return false;
|
||
if (present)
|
||
{
|
||
if (! ieee_read_optional_number (info, pp, &v5, &present))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/* We have no way to record this information. FIXME. */
|
||
|
||
ieee_error (info, atn_code_start, _("unsupported ATN12"));
|
||
|
||
/* Return true to keep going. */
|
||
return true;
|
||
|
||
case 16:
|
||
/* Constant. The description of this that I have is ambiguous,
|
||
so I'm not going to try to implement it. */
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_optional_number (info, pp, &v2, &present))
|
||
return false;
|
||
if (present)
|
||
{
|
||
if (! ieee_read_optional_number (info, pp, &v2, &present))
|
||
return false;
|
||
if (present)
|
||
{
|
||
if (! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if ((ieee_record_enum_type) **pp == ieee_e2_first_byte_enum)
|
||
{
|
||
if (! ieee_require_asn (info, pp, &v3))
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
|
||
case 19:
|
||
/* Static variable from assembler. */
|
||
v2 = 0;
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_optional_number (info, pp, &v2, &present)
|
||
|| ! ieee_require_asn (info, pp, &v3))
|
||
return false;
|
||
namcopy = savestring (name, namlen);
|
||
/* We don't really handle this correctly. FIXME. */
|
||
return debug_record_variable (dhandle, namcopy,
|
||
debug_make_void_type (dhandle),
|
||
v2 != 0 ? DEBUG_GLOBAL : DEBUG_STATIC,
|
||
v3);
|
||
|
||
case 62:
|
||
/* Procedure miscellaneous information. */
|
||
case 63:
|
||
/* Variable miscellaneous information. */
|
||
case 64:
|
||
/* Module miscellaneous information. */
|
||
if (! ieee_read_number (info, pp, &v)
|
||
|| ! ieee_read_number (info, pp, &v2)
|
||
|| ! ieee_read_optional_id (info, pp, &name, &namlen, &present))
|
||
return false;
|
||
|
||
if (atn_code == 62 && v == 80)
|
||
{
|
||
if (present)
|
||
{
|
||
ieee_error (info, atn_code_start,
|
||
_("unexpected string in C++ misc"));
|
||
return false;
|
||
}
|
||
return ieee_read_cxx_misc (info, pp, v2);
|
||
}
|
||
|
||
/* We just ignore all of this stuff. FIXME. */
|
||
|
||
for (; v2 > 0; --v2)
|
||
{
|
||
switch ((ieee_record_enum_type) **pp)
|
||
{
|
||
default:
|
||
ieee_error (info, *pp, _("bad misc record"));
|
||
return false;
|
||
|
||
case ieee_at_record_enum:
|
||
if (! ieee_require_atn65 (info, pp, &name, &namlen))
|
||
return false;
|
||
break;
|
||
|
||
case ieee_e2_first_byte_enum:
|
||
if (! ieee_require_asn (info, pp, &v3))
|
||
return false;
|
||
break;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Handle C++ debugging miscellaneous records. This is called for
|
||
procedure miscellaneous records of type 80. */
|
||
|
||
static boolean
|
||
ieee_read_cxx_misc (info, pp, count)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
unsigned long count;
|
||
{
|
||
const bfd_byte *start;
|
||
bfd_vma category;
|
||
|
||
start = *pp;
|
||
|
||
/* Get the category of C++ misc record. */
|
||
if (! ieee_require_asn (info, pp, &category))
|
||
return false;
|
||
--count;
|
||
|
||
switch (category)
|
||
{
|
||
default:
|
||
ieee_error (info, start, _("unrecognized C++ misc record"));
|
||
return false;
|
||
|
||
case 'T':
|
||
if (! ieee_read_cxx_class (info, pp, count))
|
||
return false;
|
||
break;
|
||
|
||
case 'M':
|
||
{
|
||
bfd_vma flags;
|
||
const char *name;
|
||
unsigned long namlen;
|
||
|
||
/* The IEEE spec indicates that the 'M' record only has a
|
||
flags field. The MRI compiler also emits the name of the
|
||
function. */
|
||
|
||
if (! ieee_require_asn (info, pp, &flags))
|
||
return false;
|
||
if (*pp < info->pend
|
||
&& (ieee_record_enum_type) **pp == ieee_at_record_enum)
|
||
{
|
||
if (! ieee_require_atn65 (info, pp, &name, &namlen))
|
||
return false;
|
||
}
|
||
|
||
/* This is emitted for method functions, but I don't think we
|
||
care very much. It might help if it told us useful
|
||
information like the class with which this function is
|
||
associated, but it doesn't, so it isn't helpful. */
|
||
}
|
||
break;
|
||
|
||
case 'B':
|
||
if (! ieee_read_cxx_defaults (info, pp, count))
|
||
return false;
|
||
break;
|
||
|
||
case 'z':
|
||
{
|
||
const char *name, *mangled, *class;
|
||
unsigned long namlen, mangledlen, classlen;
|
||
bfd_vma control;
|
||
|
||
/* Pointer to member. */
|
||
|
||
if (! ieee_require_atn65 (info, pp, &name, &namlen)
|
||
|| ! ieee_require_atn65 (info, pp, &mangled, &mangledlen)
|
||
|| ! ieee_require_atn65 (info, pp, &class, &classlen)
|
||
|| ! ieee_require_asn (info, pp, &control))
|
||
return false;
|
||
|
||
/* FIXME: We should now track down name and change its type. */
|
||
}
|
||
break;
|
||
|
||
case 'R':
|
||
if (! ieee_read_reference (info, pp))
|
||
return false;
|
||
break;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Read a C++ class definition. This is a pmisc type 80 record of
|
||
category 'T'. */
|
||
|
||
static boolean
|
||
ieee_read_cxx_class (info, pp, count)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
unsigned long count;
|
||
{
|
||
const bfd_byte *start;
|
||
bfd_vma class;
|
||
const char *tag;
|
||
unsigned long taglen;
|
||
struct ieee_tag *it;
|
||
PTR dhandle;
|
||
debug_field *fields;
|
||
unsigned int field_count, field_alloc;
|
||
debug_baseclass *baseclasses;
|
||
unsigned int baseclasses_count, baseclasses_alloc;
|
||
const debug_field *structfields;
|
||
struct ieee_method
|
||
{
|
||
const char *name;
|
||
unsigned long namlen;
|
||
debug_method_variant *variants;
|
||
unsigned count;
|
||
unsigned int alloc;
|
||
} *methods;
|
||
unsigned int methods_count, methods_alloc;
|
||
debug_type vptrbase;
|
||
boolean ownvptr;
|
||
debug_method *dmethods;
|
||
|
||
start = *pp;
|
||
|
||
if (! ieee_require_asn (info, pp, &class))
|
||
return false;
|
||
--count;
|
||
|
||
if (! ieee_require_atn65 (info, pp, &tag, &taglen))
|
||
return false;
|
||
--count;
|
||
|
||
/* Find the C struct with this name. */
|
||
for (it = info->tags; it != NULL; it = it->next)
|
||
if (it->name[0] == tag[0]
|
||
&& strncmp (it->name, tag, taglen) == 0
|
||
&& strlen (it->name) == taglen)
|
||
break;
|
||
if (it == NULL)
|
||
{
|
||
ieee_error (info, start, _("undefined C++ object"));
|
||
return false;
|
||
}
|
||
|
||
dhandle = info->dhandle;
|
||
|
||
fields = NULL;
|
||
field_count = 0;
|
||
field_alloc = 0;
|
||
baseclasses = NULL;
|
||
baseclasses_count = 0;
|
||
baseclasses_alloc = 0;
|
||
methods = NULL;
|
||
methods_count = 0;
|
||
methods_alloc = 0;
|
||
vptrbase = DEBUG_TYPE_NULL;
|
||
ownvptr = false;
|
||
|
||
structfields = debug_get_fields (dhandle, it->type);
|
||
|
||
while (count > 0)
|
||
{
|
||
bfd_vma id;
|
||
const bfd_byte *spec_start;
|
||
|
||
spec_start = *pp;
|
||
|
||
if (! ieee_require_asn (info, pp, &id))
|
||
return false;
|
||
--count;
|
||
|
||
switch (id)
|
||
{
|
||
default:
|
||
ieee_error (info, spec_start, _("unrecognized C++ object spec"));
|
||
return false;
|
||
|
||
case 'b':
|
||
{
|
||
bfd_vma flags, cinline;
|
||
const char *basename, *fieldname;
|
||
unsigned long baselen, fieldlen;
|
||
char *basecopy;
|
||
debug_type basetype;
|
||
bfd_vma bitpos;
|
||
boolean virtualp;
|
||
enum debug_visibility visibility;
|
||
debug_baseclass baseclass;
|
||
|
||
/* This represents a base or friend class. */
|
||
|
||
if (! ieee_require_asn (info, pp, &flags)
|
||
|| ! ieee_require_atn65 (info, pp, &basename, &baselen)
|
||
|| ! ieee_require_asn (info, pp, &cinline)
|
||
|| ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen))
|
||
return false;
|
||
count -= 4;
|
||
|
||
/* We have no way of recording friend information, so we
|
||
just ignore it. */
|
||
if ((flags & BASEFLAGS_FRIEND) != 0)
|
||
break;
|
||
|
||
/* I assume that either all of the members of the
|
||
baseclass are included in the object, starting at the
|
||
beginning of the object, or that none of them are
|
||
included. */
|
||
|
||
if ((fieldlen == 0) == (cinline == 0))
|
||
{
|
||
ieee_error (info, start, _("unsupported C++ object type"));
|
||
return false;
|
||
}
|
||
|
||
basecopy = savestring (basename, baselen);
|
||
basetype = debug_find_tagged_type (dhandle, basecopy,
|
||
DEBUG_KIND_ILLEGAL);
|
||
free (basecopy);
|
||
if (basetype == DEBUG_TYPE_NULL)
|
||
{
|
||
ieee_error (info, start, _("C++ base class not defined"));
|
||
return false;
|
||
}
|
||
|
||
if (fieldlen == 0)
|
||
bitpos = 0;
|
||
else
|
||
{
|
||
const debug_field *pf;
|
||
|
||
if (structfields == NULL)
|
||
{
|
||
ieee_error (info, start, _("C++ object has no fields"));
|
||
return false;
|
||
}
|
||
|
||
for (pf = structfields; *pf != DEBUG_FIELD_NULL; pf++)
|
||
{
|
||
const char *fname;
|
||
|
||
fname = debug_get_field_name (dhandle, *pf);
|
||
if (fname == NULL)
|
||
return false;
|
||
if (fname[0] == fieldname[0]
|
||
&& strncmp (fname, fieldname, fieldlen) == 0
|
||
&& strlen (fname) == fieldlen)
|
||
break;
|
||
}
|
||
if (*pf == DEBUG_FIELD_NULL)
|
||
{
|
||
ieee_error (info, start,
|
||
_("C++ base class not found in container"));
|
||
return false;
|
||
}
|
||
|
||
bitpos = debug_get_field_bitpos (dhandle, *pf);
|
||
}
|
||
|
||
if ((flags & BASEFLAGS_VIRTUAL) != 0)
|
||
virtualp = true;
|
||
else
|
||
virtualp = false;
|
||
if ((flags & BASEFLAGS_PRIVATE) != 0)
|
||
visibility = DEBUG_VISIBILITY_PRIVATE;
|
||
else
|
||
visibility = DEBUG_VISIBILITY_PUBLIC;
|
||
|
||
baseclass = debug_make_baseclass (dhandle, basetype, bitpos,
|
||
virtualp, visibility);
|
||
if (baseclass == DEBUG_BASECLASS_NULL)
|
||
return false;
|
||
|
||
if (baseclasses_count + 1 >= baseclasses_alloc)
|
||
{
|
||
baseclasses_alloc += 10;
|
||
baseclasses = ((debug_baseclass *)
|
||
xrealloc (baseclasses,
|
||
(baseclasses_alloc
|
||
* sizeof *baseclasses)));
|
||
}
|
||
|
||
baseclasses[baseclasses_count] = baseclass;
|
||
++baseclasses_count;
|
||
baseclasses[baseclasses_count] = DEBUG_BASECLASS_NULL;
|
||
}
|
||
break;
|
||
|
||
case 'd':
|
||
{
|
||
bfd_vma flags;
|
||
const char *fieldname, *mangledname;
|
||
unsigned long fieldlen, mangledlen;
|
||
char *fieldcopy;
|
||
boolean staticp;
|
||
debug_type ftype;
|
||
const debug_field *pf = NULL;
|
||
enum debug_visibility visibility;
|
||
debug_field field;
|
||
|
||
/* This represents a data member. */
|
||
|
||
if (! ieee_require_asn (info, pp, &flags)
|
||
|| ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen)
|
||
|| ! ieee_require_atn65 (info, pp, &mangledname, &mangledlen))
|
||
return false;
|
||
count -= 3;
|
||
|
||
fieldcopy = savestring (fieldname, fieldlen);
|
||
|
||
staticp = (flags & CXXFLAGS_STATIC) != 0 ? true : false;
|
||
|
||
if (staticp)
|
||
{
|
||
struct ieee_var *pv, *pvend;
|
||
|
||
/* See if we can find a definition for this variable. */
|
||
pv = info->vars.vars;
|
||
pvend = pv + info->vars.alloc;
|
||
for (; pv < pvend; pv++)
|
||
if (pv->namlen == mangledlen
|
||
&& strncmp (pv->name, mangledname, mangledlen) == 0)
|
||
break;
|
||
if (pv < pvend)
|
||
ftype = pv->type;
|
||
else
|
||
{
|
||
/* This can happen if the variable is never used. */
|
||
ftype = ieee_builtin_type (info, start,
|
||
(unsigned int) builtin_void);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
unsigned int findx;
|
||
|
||
if (structfields == NULL)
|
||
{
|
||
ieee_error (info, start, _("C++ object has no fields"));
|
||
return false;
|
||
}
|
||
|
||
for (pf = structfields, findx = 0;
|
||
*pf != DEBUG_FIELD_NULL;
|
||
pf++, findx++)
|
||
{
|
||
const char *fname;
|
||
|
||
fname = debug_get_field_name (dhandle, *pf);
|
||
if (fname == NULL)
|
||
return false;
|
||
if (fname[0] == mangledname[0]
|
||
&& strncmp (fname, mangledname, mangledlen) == 0
|
||
&& strlen (fname) == mangledlen)
|
||
break;
|
||
}
|
||
if (*pf == DEBUG_FIELD_NULL)
|
||
{
|
||
ieee_error (info, start,
|
||
_("C++ data member not found in container"));
|
||
return false;
|
||
}
|
||
|
||
ftype = debug_get_field_type (dhandle, *pf);
|
||
|
||
if (debug_get_type_kind (dhandle, ftype) == DEBUG_KIND_POINTER)
|
||
{
|
||
/* We might need to convert this field into a
|
||
reference type later on, so make it an indirect
|
||
type. */
|
||
if (it->fslots == NULL)
|
||
{
|
||
unsigned int fcnt;
|
||
const debug_field *pfcnt;
|
||
|
||
fcnt = 0;
|
||
for (pfcnt = structfields;
|
||
*pfcnt != DEBUG_FIELD_NULL;
|
||
pfcnt++)
|
||
++fcnt;
|
||
it->fslots = ((debug_type *)
|
||
xmalloc (fcnt * sizeof *it->fslots));
|
||
memset (it->fslots, 0,
|
||
fcnt * sizeof *it->fslots);
|
||
}
|
||
|
||
if (ftype == DEBUG_TYPE_NULL)
|
||
return false;
|
||
it->fslots[findx] = ftype;
|
||
ftype = debug_make_indirect_type (dhandle,
|
||
it->fslots + findx,
|
||
(const char *) NULL);
|
||
}
|
||
}
|
||
if (ftype == DEBUG_TYPE_NULL)
|
||
return false;
|
||
|
||
switch (flags & CXXFLAGS_VISIBILITY)
|
||
{
|
||
default:
|
||
ieee_error (info, start, _("unknown C++ visibility"));
|
||
return false;
|
||
|
||
case CXXFLAGS_VISIBILITY_PUBLIC:
|
||
visibility = DEBUG_VISIBILITY_PUBLIC;
|
||
break;
|
||
|
||
case CXXFLAGS_VISIBILITY_PRIVATE:
|
||
visibility = DEBUG_VISIBILITY_PRIVATE;
|
||
break;
|
||
|
||
case CXXFLAGS_VISIBILITY_PROTECTED:
|
||
visibility = DEBUG_VISIBILITY_PROTECTED;
|
||
break;
|
||
}
|
||
|
||
if (staticp)
|
||
{
|
||
char *mangledcopy;
|
||
|
||
mangledcopy = savestring (mangledname, mangledlen);
|
||
|
||
field = debug_make_static_member (dhandle, fieldcopy,
|
||
ftype, mangledcopy,
|
||
visibility);
|
||
}
|
||
else
|
||
{
|
||
bfd_vma bitpos, bitsize;
|
||
|
||
bitpos = debug_get_field_bitpos (dhandle, *pf);
|
||
bitsize = debug_get_field_bitsize (dhandle, *pf);
|
||
if (bitpos == (bfd_vma) -1 || bitsize == (bfd_vma) -1)
|
||
{
|
||
ieee_error (info, start, _("bad C++ field bit pos or size"));
|
||
return false;
|
||
}
|
||
field = debug_make_field (dhandle, fieldcopy, ftype, bitpos,
|
||
bitsize, visibility);
|
||
}
|
||
|
||
if (field == DEBUG_FIELD_NULL)
|
||
return false;
|
||
|
||
if (field_count + 1 >= field_alloc)
|
||
{
|
||
field_alloc += 10;
|
||
fields = ((debug_field *)
|
||
xrealloc (fields, field_alloc * sizeof *fields));
|
||
}
|
||
|
||
fields[field_count] = field;
|
||
++field_count;
|
||
fields[field_count] = DEBUG_FIELD_NULL;
|
||
}
|
||
break;
|
||
|
||
case 'm':
|
||
case 'v':
|
||
{
|
||
bfd_vma flags, voffset, control;
|
||
const char *name, *mangled;
|
||
unsigned long namlen, mangledlen;
|
||
struct ieee_var *pv, *pvend;
|
||
debug_type type;
|
||
enum debug_visibility visibility;
|
||
boolean constp, volatilep;
|
||
char *mangledcopy;
|
||
debug_method_variant mv;
|
||
struct ieee_method *meth;
|
||
unsigned int im;
|
||
|
||
if (! ieee_require_asn (info, pp, &flags)
|
||
|| ! ieee_require_atn65 (info, pp, &name, &namlen)
|
||
|| ! ieee_require_atn65 (info, pp, &mangled, &mangledlen))
|
||
return false;
|
||
count -= 3;
|
||
if (id != 'v')
|
||
voffset = 0;
|
||
else
|
||
{
|
||
if (! ieee_require_asn (info, pp, &voffset))
|
||
return false;
|
||
--count;
|
||
}
|
||
if (! ieee_require_asn (info, pp, &control))
|
||
return false;
|
||
--count;
|
||
|
||
/* We just ignore the control information. */
|
||
|
||
/* We have no way to represent friend information, so we
|
||
just ignore it. */
|
||
if ((flags & CXXFLAGS_FRIEND) != 0)
|
||
break;
|
||
|
||
/* We should already have seen a type for the function. */
|
||
pv = info->vars.vars;
|
||
pvend = pv + info->vars.alloc;
|
||
for (; pv < pvend; pv++)
|
||
if (pv->namlen == mangledlen
|
||
&& strncmp (pv->name, mangled, mangledlen) == 0)
|
||
break;
|
||
|
||
if (pv >= pvend)
|
||
{
|
||
/* We won't have type information for this function if
|
||
it is not included in this file. We don't try to
|
||
handle this case. FIXME. */
|
||
type = (debug_make_function_type
|
||
(dhandle,
|
||
ieee_builtin_type (info, start,
|
||
(unsigned int) builtin_void),
|
||
(debug_type *) NULL,
|
||
false));
|
||
}
|
||
else
|
||
{
|
||
debug_type return_type;
|
||
const debug_type *arg_types;
|
||
boolean varargs;
|
||
|
||
if (debug_get_type_kind (dhandle, pv->type)
|
||
!= DEBUG_KIND_FUNCTION)
|
||
{
|
||
ieee_error (info, start,
|
||
_("bad type for C++ method function"));
|
||
return false;
|
||
}
|
||
|
||
return_type = debug_get_return_type (dhandle, pv->type);
|
||
arg_types = debug_get_parameter_types (dhandle, pv->type,
|
||
&varargs);
|
||
if (return_type == DEBUG_TYPE_NULL || arg_types == NULL)
|
||
{
|
||
ieee_error (info, start,
|
||
_("no type information for C++ method function"));
|
||
return false;
|
||
}
|
||
|
||
type = debug_make_method_type (dhandle, return_type, it->type,
|
||
(debug_type *) arg_types,
|
||
varargs);
|
||
}
|
||
if (type == DEBUG_TYPE_NULL)
|
||
return false;
|
||
|
||
switch (flags & CXXFLAGS_VISIBILITY)
|
||
{
|
||
default:
|
||
ieee_error (info, start, _("unknown C++ visibility"));
|
||
return false;
|
||
|
||
case CXXFLAGS_VISIBILITY_PUBLIC:
|
||
visibility = DEBUG_VISIBILITY_PUBLIC;
|
||
break;
|
||
|
||
case CXXFLAGS_VISIBILITY_PRIVATE:
|
||
visibility = DEBUG_VISIBILITY_PRIVATE;
|
||
break;
|
||
|
||
case CXXFLAGS_VISIBILITY_PROTECTED:
|
||
visibility = DEBUG_VISIBILITY_PROTECTED;
|
||
break;
|
||
}
|
||
|
||
constp = (flags & CXXFLAGS_CONST) != 0 ? true : false;
|
||
volatilep = (flags & CXXFLAGS_VOLATILE) != 0 ? true : false;
|
||
|
||
mangledcopy = savestring (mangled, mangledlen);
|
||
|
||
if ((flags & CXXFLAGS_STATIC) != 0)
|
||
{
|
||
if (id == 'v')
|
||
{
|
||
ieee_error (info, start, _("C++ static virtual method"));
|
||
return false;
|
||
}
|
||
mv = debug_make_static_method_variant (dhandle, mangledcopy,
|
||
type, visibility,
|
||
constp, volatilep);
|
||
}
|
||
else
|
||
{
|
||
debug_type vcontext;
|
||
|
||
if (id != 'v')
|
||
vcontext = DEBUG_TYPE_NULL;
|
||
else
|
||
{
|
||
/* FIXME: How can we calculate this correctly? */
|
||
vcontext = it->type;
|
||
}
|
||
mv = debug_make_method_variant (dhandle, mangledcopy, type,
|
||
visibility, constp,
|
||
volatilep, voffset,
|
||
vcontext);
|
||
}
|
||
if (mv == DEBUG_METHOD_VARIANT_NULL)
|
||
return false;
|
||
|
||
for (meth = methods, im = 0; im < methods_count; meth++, im++)
|
||
if (meth->namlen == namlen
|
||
&& strncmp (meth->name, name, namlen) == 0)
|
||
break;
|
||
if (im >= methods_count)
|
||
{
|
||
if (methods_count >= methods_alloc)
|
||
{
|
||
methods_alloc += 10;
|
||
methods = ((struct ieee_method *)
|
||
xrealloc (methods,
|
||
methods_alloc * sizeof *methods));
|
||
}
|
||
methods[methods_count].name = name;
|
||
methods[methods_count].namlen = namlen;
|
||
methods[methods_count].variants = NULL;
|
||
methods[methods_count].count = 0;
|
||
methods[methods_count].alloc = 0;
|
||
meth = methods + methods_count;
|
||
++methods_count;
|
||
}
|
||
|
||
if (meth->count + 1 >= meth->alloc)
|
||
{
|
||
meth->alloc += 10;
|
||
meth->variants = ((debug_method_variant *)
|
||
xrealloc (meth->variants,
|
||
(meth->alloc
|
||
* sizeof *meth->variants)));
|
||
}
|
||
|
||
meth->variants[meth->count] = mv;
|
||
++meth->count;
|
||
meth->variants[meth->count] = DEBUG_METHOD_VARIANT_NULL;
|
||
}
|
||
break;
|
||
|
||
case 'o':
|
||
{
|
||
bfd_vma spec;
|
||
|
||
/* We have no way to store this information, so we just
|
||
ignore it. */
|
||
if (! ieee_require_asn (info, pp, &spec))
|
||
return false;
|
||
--count;
|
||
if ((spec & 4) != 0)
|
||
{
|
||
const char *filename;
|
||
unsigned long filenamlen;
|
||
bfd_vma lineno;
|
||
|
||
if (! ieee_require_atn65 (info, pp, &filename, &filenamlen)
|
||
|| ! ieee_require_asn (info, pp, &lineno))
|
||
return false;
|
||
count -= 2;
|
||
}
|
||
else if ((spec & 8) != 0)
|
||
{
|
||
const char *mangled;
|
||
unsigned long mangledlen;
|
||
|
||
if (! ieee_require_atn65 (info, pp, &mangled, &mangledlen))
|
||
return false;
|
||
--count;
|
||
}
|
||
else
|
||
{
|
||
ieee_error (info, start,
|
||
_("unrecognized C++ object overhead spec"));
|
||
return false;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 'z':
|
||
{
|
||
const char *vname, *basename;
|
||
unsigned long vnamelen, baselen;
|
||
bfd_vma vsize, control;
|
||
|
||
/* A virtual table pointer. */
|
||
|
||
if (! ieee_require_atn65 (info, pp, &vname, &vnamelen)
|
||
|| ! ieee_require_asn (info, pp, &vsize)
|
||
|| ! ieee_require_atn65 (info, pp, &basename, &baselen)
|
||
|| ! ieee_require_asn (info, pp, &control))
|
||
return false;
|
||
count -= 4;
|
||
|
||
/* We just ignore the control number. We don't care what
|
||
the virtual table name is. We have no way to store the
|
||
virtual table size, and I don't think we care anyhow. */
|
||
|
||
/* FIXME: We can't handle multiple virtual table pointers. */
|
||
|
||
if (baselen == 0)
|
||
ownvptr = true;
|
||
else
|
||
{
|
||
char *basecopy;
|
||
|
||
basecopy = savestring (basename, baselen);
|
||
vptrbase = debug_find_tagged_type (dhandle, basecopy,
|
||
DEBUG_KIND_ILLEGAL);
|
||
free (basecopy);
|
||
if (vptrbase == DEBUG_TYPE_NULL)
|
||
{
|
||
ieee_error (info, start, _("undefined C++ vtable"));
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Now that we have seen all the method variants, we can call
|
||
debug_make_method for each one. */
|
||
|
||
if (methods_count == 0)
|
||
dmethods = NULL;
|
||
else
|
||
{
|
||
unsigned int i;
|
||
|
||
dmethods = ((debug_method *)
|
||
xmalloc ((methods_count + 1) * sizeof *dmethods));
|
||
for (i = 0; i < methods_count; i++)
|
||
{
|
||
char *namcopy;
|
||
|
||
namcopy = savestring (methods[i].name, methods[i].namlen);
|
||
dmethods[i] = debug_make_method (dhandle, namcopy,
|
||
methods[i].variants);
|
||
if (dmethods[i] == DEBUG_METHOD_NULL)
|
||
return false;
|
||
}
|
||
dmethods[i] = DEBUG_METHOD_NULL;
|
||
free (methods);
|
||
}
|
||
|
||
/* The struct type was created as an indirect type pointing at
|
||
it->slot. We update it->slot to automatically update all
|
||
references to this struct. */
|
||
it->slot = debug_make_object_type (dhandle,
|
||
class != 'u',
|
||
debug_get_type_size (dhandle,
|
||
it->slot),
|
||
fields, baseclasses, dmethods,
|
||
vptrbase, ownvptr);
|
||
if (it->slot == DEBUG_TYPE_NULL)
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Read C++ default argument value and reference type information. */
|
||
|
||
static boolean
|
||
ieee_read_cxx_defaults (info, pp, count)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
unsigned long count;
|
||
{
|
||
const bfd_byte *start;
|
||
const char *fnname;
|
||
unsigned long fnlen;
|
||
bfd_vma defcount;
|
||
|
||
start = *pp;
|
||
|
||
/* Giving the function name before the argument count is an addendum
|
||
to the spec. The function name is demangled, though, so this
|
||
record must always refer to the current function. */
|
||
|
||
if (info->blockstack.bsp <= info->blockstack.stack
|
||
|| info->blockstack.bsp[-1].fnindx == (unsigned int) -1)
|
||
{
|
||
ieee_error (info, start, _("C++ default values not in a function"));
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_require_atn65 (info, pp, &fnname, &fnlen)
|
||
|| ! ieee_require_asn (info, pp, &defcount))
|
||
return false;
|
||
count -= 2;
|
||
|
||
while (defcount-- > 0)
|
||
{
|
||
bfd_vma type, val;
|
||
const char *strval;
|
||
unsigned long strvallen;
|
||
|
||
if (! ieee_require_asn (info, pp, &type))
|
||
return false;
|
||
--count;
|
||
|
||
switch (type)
|
||
{
|
||
case 0:
|
||
case 4:
|
||
break;
|
||
|
||
case 1:
|
||
case 2:
|
||
if (! ieee_require_asn (info, pp, &val))
|
||
return false;
|
||
--count;
|
||
break;
|
||
|
||
case 3:
|
||
case 7:
|
||
if (! ieee_require_atn65 (info, pp, &strval, &strvallen))
|
||
return false;
|
||
--count;
|
||
break;
|
||
|
||
default:
|
||
ieee_error (info, start, _("unrecognized C++ default type"));
|
||
return false;
|
||
}
|
||
|
||
/* We have no way to record the default argument values, so we
|
||
just ignore them. FIXME. */
|
||
}
|
||
|
||
/* Any remaining arguments are indices of parameters that are really
|
||
reference type. */
|
||
if (count > 0)
|
||
{
|
||
PTR dhandle;
|
||
debug_type *arg_slots;
|
||
|
||
dhandle = info->dhandle;
|
||
arg_slots = info->types.types[info->blockstack.bsp[-1].fnindx].arg_slots;
|
||
while (count-- > 0)
|
||
{
|
||
bfd_vma indx;
|
||
debug_type target;
|
||
|
||
if (! ieee_require_asn (info, pp, &indx))
|
||
return false;
|
||
/* The index is 1 based. */
|
||
--indx;
|
||
if (arg_slots == NULL
|
||
|| arg_slots[indx] == DEBUG_TYPE_NULL
|
||
|| (debug_get_type_kind (dhandle, arg_slots[indx])
|
||
!= DEBUG_KIND_POINTER))
|
||
{
|
||
ieee_error (info, start, _("reference parameter is not a pointer"));
|
||
return false;
|
||
}
|
||
|
||
target = debug_get_target_type (dhandle, arg_slots[indx]);
|
||
arg_slots[indx] = debug_make_reference_type (dhandle, target);
|
||
if (arg_slots[indx] == DEBUG_TYPE_NULL)
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Read a C++ reference definition. */
|
||
|
||
static boolean
|
||
ieee_read_reference (info, pp)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
{
|
||
const bfd_byte *start;
|
||
bfd_vma flags;
|
||
const char *class, *name;
|
||
unsigned long classlen, namlen;
|
||
debug_type *pslot;
|
||
debug_type target;
|
||
|
||
start = *pp;
|
||
|
||
if (! ieee_require_asn (info, pp, &flags))
|
||
return false;
|
||
|
||
/* Giving the class name before the member name is in an addendum to
|
||
the spec. */
|
||
if (flags == 3)
|
||
{
|
||
if (! ieee_require_atn65 (info, pp, &class, &classlen))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_require_atn65 (info, pp, &name, &namlen))
|
||
return false;
|
||
|
||
pslot = NULL;
|
||
if (flags != 3)
|
||
{
|
||
int pass;
|
||
|
||
/* We search from the last variable indices to the first in
|
||
hopes of finding local variables correctly. We search the
|
||
local variables on the first pass, and the global variables
|
||
on the second. FIXME: This probably won't work in all cases.
|
||
On the other hand, I don't know what will. */
|
||
for (pass = 0; pass < 2; pass++)
|
||
{
|
||
struct ieee_vars *vars;
|
||
int i;
|
||
struct ieee_var *pv = NULL;
|
||
|
||
if (pass == 0)
|
||
vars = &info->vars;
|
||
else
|
||
{
|
||
vars = info->global_vars;
|
||
if (vars == NULL)
|
||
break;
|
||
}
|
||
|
||
for (i = (int) vars->alloc - 1; i >= 0; i--)
|
||
{
|
||
boolean found;
|
||
|
||
pv = vars->vars + i;
|
||
|
||
if (pv->pslot == NULL
|
||
|| pv->namlen != namlen
|
||
|| strncmp (pv->name, name, namlen) != 0)
|
||
continue;
|
||
|
||
found = false;
|
||
switch (flags)
|
||
{
|
||
default:
|
||
ieee_error (info, start,
|
||
_("unrecognized C++ reference type"));
|
||
return false;
|
||
|
||
case 0:
|
||
/* Global variable or function. */
|
||
if (pv->kind == IEEE_GLOBAL
|
||
|| pv->kind == IEEE_EXTERNAL
|
||
|| pv->kind == IEEE_FUNCTION)
|
||
found = true;
|
||
break;
|
||
|
||
case 1:
|
||
/* Global static variable or function. */
|
||
if (pv->kind == IEEE_STATIC
|
||
|| pv->kind == IEEE_FUNCTION)
|
||
found = true;
|
||
break;
|
||
|
||
case 2:
|
||
/* Local variable. */
|
||
if (pv->kind == IEEE_LOCAL)
|
||
found = true;
|
||
break;
|
||
}
|
||
|
||
if (found)
|
||
break;
|
||
}
|
||
|
||
if (i >= 0)
|
||
{
|
||
pslot = pv->pslot;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct ieee_tag *it;
|
||
|
||
for (it = info->tags; it != NULL; it = it->next)
|
||
{
|
||
if (it->name[0] == class[0]
|
||
&& strncmp (it->name, class, classlen) == 0
|
||
&& strlen (it->name) == classlen)
|
||
{
|
||
if (it->fslots != NULL)
|
||
{
|
||
const debug_field *pf;
|
||
unsigned int findx;
|
||
|
||
pf = debug_get_fields (info->dhandle, it->type);
|
||
if (pf == NULL)
|
||
{
|
||
ieee_error (info, start,
|
||
"C++ reference in class with no fields");
|
||
return false;
|
||
}
|
||
|
||
for (findx = 0; *pf != DEBUG_FIELD_NULL; pf++, findx++)
|
||
{
|
||
const char *fname;
|
||
|
||
fname = debug_get_field_name (info->dhandle, *pf);
|
||
if (fname == NULL)
|
||
return false;
|
||
if (strncmp (fname, name, namlen) == 0
|
||
&& strlen (fname) == namlen)
|
||
{
|
||
pslot = it->fslots + findx;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (pslot == NULL)
|
||
{
|
||
ieee_error (info, start, _("C++ reference not found"));
|
||
return false;
|
||
}
|
||
|
||
/* We allocated the type of the object as an indirect type pointing
|
||
to *pslot, which we can now update to be a reference type. */
|
||
if (debug_get_type_kind (info->dhandle, *pslot) != DEBUG_KIND_POINTER)
|
||
{
|
||
ieee_error (info, start, _("C++ reference is not pointer"));
|
||
return false;
|
||
}
|
||
|
||
target = debug_get_target_type (info->dhandle, *pslot);
|
||
*pslot = debug_make_reference_type (info->dhandle, target);
|
||
if (*pslot == DEBUG_TYPE_NULL)
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Require an ASN record. */
|
||
|
||
static boolean
|
||
ieee_require_asn (info, pp, pv)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
bfd_vma *pv;
|
||
{
|
||
const bfd_byte *start;
|
||
ieee_record_enum_type c;
|
||
bfd_vma varindx;
|
||
|
||
start = *pp;
|
||
|
||
c = (ieee_record_enum_type) **pp;
|
||
if (c != ieee_e2_first_byte_enum)
|
||
{
|
||
ieee_error (info, start, _("missing required ASN"));
|
||
return false;
|
||
}
|
||
++*pp;
|
||
|
||
c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp);
|
||
if (c != ieee_asn_record_enum)
|
||
{
|
||
ieee_error (info, start, _("missing required ASN"));
|
||
return false;
|
||
}
|
||
++*pp;
|
||
|
||
/* Just ignore the variable index. */
|
||
if (! ieee_read_number (info, pp, &varindx))
|
||
return false;
|
||
|
||
return ieee_read_expression (info, pp, pv);
|
||
}
|
||
|
||
/* Require an ATN65 record. */
|
||
|
||
static boolean
|
||
ieee_require_atn65 (info, pp, pname, pnamlen)
|
||
struct ieee_info *info;
|
||
const bfd_byte **pp;
|
||
const char **pname;
|
||
unsigned long *pnamlen;
|
||
{
|
||
const bfd_byte *start;
|
||
ieee_record_enum_type c;
|
||
bfd_vma name_indx, type_indx, atn_code;
|
||
|
||
start = *pp;
|
||
|
||
c = (ieee_record_enum_type) **pp;
|
||
if (c != ieee_at_record_enum)
|
||
{
|
||
ieee_error (info, start, _("missing required ATN65"));
|
||
return false;
|
||
}
|
||
++*pp;
|
||
|
||
c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp);
|
||
if (c != ieee_atn_record_enum)
|
||
{
|
||
ieee_error (info, start, _("missing required ATN65"));
|
||
return false;
|
||
}
|
||
++*pp;
|
||
|
||
if (! ieee_read_number (info, pp, &name_indx)
|
||
|| ! ieee_read_number (info, pp, &type_indx)
|
||
|| ! ieee_read_number (info, pp, &atn_code))
|
||
return false;
|
||
|
||
/* Just ignore name_indx. */
|
||
|
||
if (type_indx != 0 || atn_code != 65)
|
||
{
|
||
ieee_error (info, start, _("bad ATN65 record"));
|
||
return false;
|
||
}
|
||
|
||
return ieee_read_id (info, pp, pname, pnamlen);
|
||
}
|
||
|
||
/* Convert a register number in IEEE debugging information into a
|
||
generic register number. */
|
||
|
||
static int
|
||
ieee_regno_to_genreg (abfd, r)
|
||
bfd *abfd;
|
||
int r;
|
||
{
|
||
switch (bfd_get_arch (abfd))
|
||
{
|
||
case bfd_arch_m68k:
|
||
/* For some reasons stabs adds 2 to the floating point register
|
||
numbers. */
|
||
if (r >= 16)
|
||
r += 2;
|
||
break;
|
||
|
||
case bfd_arch_i960:
|
||
/* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and
|
||
32 to 35 for fp0 to fp3. */
|
||
--r;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return r;
|
||
}
|
||
|
||
/* Convert a generic register number to an IEEE specific one. */
|
||
|
||
static int
|
||
ieee_genreg_to_regno (abfd, r)
|
||
bfd *abfd;
|
||
int r;
|
||
{
|
||
switch (bfd_get_arch (abfd))
|
||
{
|
||
case bfd_arch_m68k:
|
||
/* For some reason stabs add 2 to the floating point register
|
||
numbers. */
|
||
if (r >= 18)
|
||
r -= 2;
|
||
break;
|
||
|
||
case bfd_arch_i960:
|
||
/* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and
|
||
32 to 35 for fp0 to fp3. */
|
||
++r;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return r;
|
||
}
|
||
|
||
/* These routines build IEEE debugging information out of the generic
|
||
debugging information. */
|
||
|
||
/* We build the IEEE debugging information byte by byte. Rather than
|
||
waste time copying data around, we use a linked list of buffers to
|
||
hold the data. */
|
||
|
||
#define IEEE_BUFSIZE (490)
|
||
|
||
struct ieee_buf
|
||
{
|
||
/* Next buffer. */
|
||
struct ieee_buf *next;
|
||
/* Number of data bytes in this buffer. */
|
||
unsigned int c;
|
||
/* Bytes. */
|
||
bfd_byte buf[IEEE_BUFSIZE];
|
||
};
|
||
|
||
/* A list of buffers. */
|
||
|
||
struct ieee_buflist
|
||
{
|
||
/* Head of list. */
|
||
struct ieee_buf *head;
|
||
/* Tail--last buffer on list. */
|
||
struct ieee_buf *tail;
|
||
};
|
||
|
||
/* In order to generate the BB11 blocks required by the HP emulator,
|
||
we keep track of ranges of addresses which correspond to a given
|
||
compilation unit. */
|
||
|
||
struct ieee_range
|
||
{
|
||
/* Next range. */
|
||
struct ieee_range *next;
|
||
/* Low address. */
|
||
bfd_vma low;
|
||
/* High address. */
|
||
bfd_vma high;
|
||
};
|
||
|
||
/* This structure holds information for a class on the type stack. */
|
||
|
||
struct ieee_type_class
|
||
{
|
||
/* The name index in the debugging information. */
|
||
unsigned int indx;
|
||
/* The pmisc records for the class. */
|
||
struct ieee_buflist pmiscbuf;
|
||
/* The number of pmisc records. */
|
||
unsigned int pmisccount;
|
||
/* The name of the class holding the virtual table, if not this
|
||
class. */
|
||
const char *vclass;
|
||
/* Whether this class holds its own virtual table. */
|
||
boolean ownvptr;
|
||
/* The largest virtual table offset seen so far. */
|
||
bfd_vma voffset;
|
||
/* The current method. */
|
||
const char *method;
|
||
/* Additional pmisc records used to record fields of reference type. */
|
||
struct ieee_buflist refs;
|
||
};
|
||
|
||
/* This is how we store types for the writing routines. Most types
|
||
are simply represented by a type index. */
|
||
|
||
struct ieee_write_type
|
||
{
|
||
/* Type index. */
|
||
unsigned int indx;
|
||
/* The size of the type, if known. */
|
||
unsigned int size;
|
||
/* The name of the type, if any. */
|
||
const char *name;
|
||
/* If this is a function or method type, we build the type here, and
|
||
only add it to the output buffers if we need it. */
|
||
struct ieee_buflist fndef;
|
||
/* If this is a struct, this is where the struct definition is
|
||
built. */
|
||
struct ieee_buflist strdef;
|
||
/* If this is a class, this is where the class information is built. */
|
||
struct ieee_type_class *classdef;
|
||
/* Whether the type is unsigned. */
|
||
unsigned int unsignedp : 1;
|
||
/* Whether this is a reference type. */
|
||
unsigned int referencep : 1;
|
||
/* Whether this is in the local type block. */
|
||
unsigned int localp : 1;
|
||
/* Whether this is a duplicate struct definition which we are
|
||
ignoring. */
|
||
unsigned int ignorep : 1;
|
||
};
|
||
|
||
/* This is the type stack used by the debug writing routines. FIXME:
|
||
We could generate more efficient output if we remembered when we
|
||
have output a particular type before. */
|
||
|
||
struct ieee_type_stack
|
||
{
|
||
/* Next entry on stack. */
|
||
struct ieee_type_stack *next;
|
||
/* Type information. */
|
||
struct ieee_write_type type;
|
||
};
|
||
|
||
/* This is a list of associations between a name and some types.
|
||
These are used for typedefs and tags. */
|
||
|
||
struct ieee_name_type
|
||
{
|
||
/* Next type for this name. */
|
||
struct ieee_name_type *next;
|
||
/* ID number. For a typedef, this is the index of the type to which
|
||
this name is typedefed. */
|
||
unsigned int id;
|
||
/* Type. */
|
||
struct ieee_write_type type;
|
||
/* If this is a tag which has not yet been defined, this is the
|
||
kind. If the tag has been defined, this is DEBUG_KIND_ILLEGAL. */
|
||
enum debug_type_kind kind;
|
||
};
|
||
|
||
/* We use a hash table to associate names and types. */
|
||
|
||
struct ieee_name_type_hash_table
|
||
{
|
||
struct bfd_hash_table root;
|
||
};
|
||
|
||
struct ieee_name_type_hash_entry
|
||
{
|
||
struct bfd_hash_entry root;
|
||
/* Information for this name. */
|
||
struct ieee_name_type *types;
|
||
};
|
||
|
||
/* This is a list of enums. */
|
||
|
||
struct ieee_defined_enum
|
||
{
|
||
/* Next enum. */
|
||
struct ieee_defined_enum *next;
|
||
/* Type index. */
|
||
unsigned int indx;
|
||
/* Whether this enum has been defined. */
|
||
boolean defined;
|
||
/* Tag. */
|
||
const char *tag;
|
||
/* Names. */
|
||
const char **names;
|
||
/* Values. */
|
||
bfd_signed_vma *vals;
|
||
};
|
||
|
||
/* We keep a list of modified versions of types, so that we don't
|
||
output them more than once. */
|
||
|
||
struct ieee_modified_type
|
||
{
|
||
/* Pointer to this type. */
|
||
unsigned int pointer;
|
||
/* Function with unknown arguments returning this type. */
|
||
unsigned int function;
|
||
/* Const version of this type. */
|
||
unsigned int const_qualified;
|
||
/* Volatile version of this type. */
|
||
unsigned int volatile_qualified;
|
||
/* List of arrays of this type of various bounds. */
|
||
struct ieee_modified_array_type *arrays;
|
||
};
|
||
|
||
/* A list of arrays bounds. */
|
||
|
||
struct ieee_modified_array_type
|
||
{
|
||
/* Next array bounds. */
|
||
struct ieee_modified_array_type *next;
|
||
/* Type index with these bounds. */
|
||
unsigned int indx;
|
||
/* Low bound. */
|
||
bfd_signed_vma low;
|
||
/* High bound. */
|
||
bfd_signed_vma high;
|
||
};
|
||
|
||
/* This is a list of pending function parameter information. We don't
|
||
output them until we see the first block. */
|
||
|
||
struct ieee_pending_parm
|
||
{
|
||
/* Next pending parameter. */
|
||
struct ieee_pending_parm *next;
|
||
/* Name. */
|
||
const char *name;
|
||
/* Type index. */
|
||
unsigned int type;
|
||
/* Whether the type is a reference. */
|
||
boolean referencep;
|
||
/* Kind. */
|
||
enum debug_parm_kind kind;
|
||
/* Value. */
|
||
bfd_vma val;
|
||
};
|
||
|
||
/* This is the handle passed down by debug_write. */
|
||
|
||
struct ieee_handle
|
||
{
|
||
/* BFD we are writing to. */
|
||
bfd *abfd;
|
||
/* Whether we got an error in a subroutine called via traverse or
|
||
map_over_sections. */
|
||
boolean error;
|
||
/* Current data buffer list. */
|
||
struct ieee_buflist *current;
|
||
/* Current data buffer. */
|
||
struct ieee_buf *curbuf;
|
||
/* Filename of current compilation unit. */
|
||
const char *filename;
|
||
/* Module name of current compilation unit. */
|
||
const char *modname;
|
||
/* List of buffer for global types. */
|
||
struct ieee_buflist global_types;
|
||
/* List of finished data buffers. */
|
||
struct ieee_buflist data;
|
||
/* List of buffers for typedefs in the current compilation unit. */
|
||
struct ieee_buflist types;
|
||
/* List of buffers for variables and functions in the current
|
||
compilation unit. */
|
||
struct ieee_buflist vars;
|
||
/* List of buffers for C++ class definitions in the current
|
||
compilation unit. */
|
||
struct ieee_buflist cxx;
|
||
/* List of buffers for line numbers in the current compilation unit. */
|
||
struct ieee_buflist linenos;
|
||
/* Ranges for the current compilation unit. */
|
||
struct ieee_range *ranges;
|
||
/* Ranges for all debugging information. */
|
||
struct ieee_range *global_ranges;
|
||
/* Nested pending ranges. */
|
||
struct ieee_range *pending_ranges;
|
||
/* Type stack. */
|
||
struct ieee_type_stack *type_stack;
|
||
/* Next unallocated type index. */
|
||
unsigned int type_indx;
|
||
/* Next unallocated name index. */
|
||
unsigned int name_indx;
|
||
/* Typedefs. */
|
||
struct ieee_name_type_hash_table typedefs;
|
||
/* Tags. */
|
||
struct ieee_name_type_hash_table tags;
|
||
/* Enums. */
|
||
struct ieee_defined_enum *enums;
|
||
/* Modified versions of types. */
|
||
struct ieee_modified_type *modified;
|
||
/* Number of entries allocated in modified. */
|
||
unsigned int modified_alloc;
|
||
/* 4 byte complex type. */
|
||
unsigned int complex_float_index;
|
||
/* 8 byte complex type. */
|
||
unsigned int complex_double_index;
|
||
/* The depth of block nesting. This is 0 outside a function, and 1
|
||
just after start_function is called. */
|
||
unsigned int block_depth;
|
||
/* The name of the current function. */
|
||
const char *fnname;
|
||
/* List of buffers for the type of the function we are currently
|
||
writing out. */
|
||
struct ieee_buflist fntype;
|
||
/* List of buffers for the parameters of the function we are
|
||
currently writing out. */
|
||
struct ieee_buflist fnargs;
|
||
/* Number of arguments written to fnargs. */
|
||
unsigned int fnargcount;
|
||
/* Pending function parameters. */
|
||
struct ieee_pending_parm *pending_parms;
|
||
/* Current line number filename. */
|
||
const char *lineno_filename;
|
||
/* Line number name index. */
|
||
unsigned int lineno_name_indx;
|
||
/* Filename of pending line number. */
|
||
const char *pending_lineno_filename;
|
||
/* Pending line number. */
|
||
unsigned long pending_lineno;
|
||
/* Address of pending line number. */
|
||
bfd_vma pending_lineno_addr;
|
||
/* Highest address seen at end of procedure. */
|
||
bfd_vma highaddr;
|
||
};
|
||
|
||
static boolean ieee_init_buffer
|
||
PARAMS ((struct ieee_handle *, struct ieee_buflist *));
|
||
static boolean ieee_change_buffer
|
||
PARAMS ((struct ieee_handle *, struct ieee_buflist *));
|
||
static boolean ieee_append_buffer
|
||
PARAMS ((struct ieee_handle *, struct ieee_buflist *,
|
||
struct ieee_buflist *));
|
||
static boolean ieee_real_write_byte PARAMS ((struct ieee_handle *, int));
|
||
static boolean ieee_write_2bytes PARAMS ((struct ieee_handle *, int));
|
||
static boolean ieee_write_number PARAMS ((struct ieee_handle *, bfd_vma));
|
||
static boolean ieee_write_id PARAMS ((struct ieee_handle *, const char *));
|
||
static boolean ieee_write_asn
|
||
PARAMS ((struct ieee_handle *, unsigned int, bfd_vma));
|
||
static boolean ieee_write_atn65
|
||
PARAMS ((struct ieee_handle *, unsigned int, const char *));
|
||
static boolean ieee_push_type
|
||
PARAMS ((struct ieee_handle *, unsigned int, unsigned int, boolean,
|
||
boolean));
|
||
static unsigned int ieee_pop_type PARAMS ((struct ieee_handle *));
|
||
static void ieee_pop_unused_type PARAMS ((struct ieee_handle *));
|
||
static unsigned int ieee_pop_type_used
|
||
PARAMS ((struct ieee_handle *, boolean));
|
||
static boolean ieee_add_range
|
||
PARAMS ((struct ieee_handle *, boolean, bfd_vma, bfd_vma));
|
||
static boolean ieee_start_range PARAMS ((struct ieee_handle *, bfd_vma));
|
||
static boolean ieee_end_range PARAMS ((struct ieee_handle *, bfd_vma));
|
||
static boolean ieee_define_type
|
||
PARAMS ((struct ieee_handle *, unsigned int, boolean, boolean));
|
||
static boolean ieee_define_named_type
|
||
PARAMS ((struct ieee_handle *, const char *, unsigned int, unsigned int,
|
||
boolean, boolean, struct ieee_buflist *));
|
||
static struct ieee_modified_type *ieee_get_modified_info
|
||
PARAMS ((struct ieee_handle *, unsigned int));
|
||
static struct bfd_hash_entry *ieee_name_type_newfunc
|
||
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
|
||
static boolean ieee_write_undefined_tag
|
||
PARAMS ((struct ieee_name_type_hash_entry *, PTR));
|
||
static boolean ieee_finish_compilation_unit PARAMS ((struct ieee_handle *));
|
||
static void ieee_add_bb11_blocks PARAMS ((bfd *, asection *, PTR));
|
||
static boolean ieee_add_bb11
|
||
PARAMS ((struct ieee_handle *, asection *, bfd_vma, bfd_vma));
|
||
static boolean ieee_output_pending_parms PARAMS ((struct ieee_handle *));
|
||
static unsigned int ieee_vis_to_flags PARAMS ((enum debug_visibility));
|
||
static boolean ieee_class_method_var
|
||
PARAMS ((struct ieee_handle *, const char *, enum debug_visibility, boolean,
|
||
boolean, boolean, bfd_vma, boolean));
|
||
|
||
static boolean ieee_start_compilation_unit PARAMS ((PTR, const char *));
|
||
static boolean ieee_start_source PARAMS ((PTR, const char *));
|
||
static boolean ieee_empty_type PARAMS ((PTR));
|
||
static boolean ieee_void_type PARAMS ((PTR));
|
||
static boolean ieee_int_type PARAMS ((PTR, unsigned int, boolean));
|
||
static boolean ieee_float_type PARAMS ((PTR, unsigned int));
|
||
static boolean ieee_complex_type PARAMS ((PTR, unsigned int));
|
||
static boolean ieee_bool_type PARAMS ((PTR, unsigned int));
|
||
static boolean ieee_enum_type
|
||
PARAMS ((PTR, const char *, const char **, bfd_signed_vma *));
|
||
static boolean ieee_pointer_type PARAMS ((PTR));
|
||
static boolean ieee_function_type PARAMS ((PTR, int, boolean));
|
||
static boolean ieee_reference_type PARAMS ((PTR));
|
||
static boolean ieee_range_type PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma));
|
||
static boolean ieee_array_type
|
||
PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma, boolean));
|
||
static boolean ieee_set_type PARAMS ((PTR, boolean));
|
||
static boolean ieee_offset_type PARAMS ((PTR));
|
||
static boolean ieee_method_type PARAMS ((PTR, boolean, int, boolean));
|
||
static boolean ieee_const_type PARAMS ((PTR));
|
||
static boolean ieee_volatile_type PARAMS ((PTR));
|
||
static boolean ieee_start_struct_type
|
||
PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int));
|
||
static boolean ieee_struct_field
|
||
PARAMS ((PTR, const char *, bfd_vma, bfd_vma, enum debug_visibility));
|
||
static boolean ieee_end_struct_type PARAMS ((PTR));
|
||
static boolean ieee_start_class_type
|
||
PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int, boolean,
|
||
boolean));
|
||
static boolean ieee_class_static_member
|
||
PARAMS ((PTR, const char *, const char *, enum debug_visibility));
|
||
static boolean ieee_class_baseclass
|
||
PARAMS ((PTR, bfd_vma, boolean, enum debug_visibility));
|
||
static boolean ieee_class_start_method PARAMS ((PTR, const char *));
|
||
static boolean ieee_class_method_variant
|
||
PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean,
|
||
bfd_vma, boolean));
|
||
static boolean ieee_class_static_method_variant
|
||
PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean));
|
||
static boolean ieee_class_end_method PARAMS ((PTR));
|
||
static boolean ieee_end_class_type PARAMS ((PTR));
|
||
static boolean ieee_typedef_type PARAMS ((PTR, const char *));
|
||
static boolean ieee_tag_type
|
||
PARAMS ((PTR, const char *, unsigned int, enum debug_type_kind));
|
||
static boolean ieee_typdef PARAMS ((PTR, const char *));
|
||
static boolean ieee_tag PARAMS ((PTR, const char *));
|
||
static boolean ieee_int_constant PARAMS ((PTR, const char *, bfd_vma));
|
||
static boolean ieee_float_constant PARAMS ((PTR, const char *, double));
|
||
static boolean ieee_typed_constant PARAMS ((PTR, const char *, bfd_vma));
|
||
static boolean ieee_variable
|
||
PARAMS ((PTR, const char *, enum debug_var_kind, bfd_vma));
|
||
static boolean ieee_start_function PARAMS ((PTR, const char *, boolean));
|
||
static boolean ieee_function_parameter
|
||
PARAMS ((PTR, const char *, enum debug_parm_kind, bfd_vma));
|
||
static boolean ieee_start_block PARAMS ((PTR, bfd_vma));
|
||
static boolean ieee_end_block PARAMS ((PTR, bfd_vma));
|
||
static boolean ieee_end_function PARAMS ((PTR));
|
||
static boolean ieee_lineno
|
||
PARAMS ((PTR, const char *, unsigned long, bfd_vma));
|
||
|
||
static const struct debug_write_fns ieee_fns =
|
||
{
|
||
ieee_start_compilation_unit,
|
||
ieee_start_source,
|
||
ieee_empty_type,
|
||
ieee_void_type,
|
||
ieee_int_type,
|
||
ieee_float_type,
|
||
ieee_complex_type,
|
||
ieee_bool_type,
|
||
ieee_enum_type,
|
||
ieee_pointer_type,
|
||
ieee_function_type,
|
||
ieee_reference_type,
|
||
ieee_range_type,
|
||
ieee_array_type,
|
||
ieee_set_type,
|
||
ieee_offset_type,
|
||
ieee_method_type,
|
||
ieee_const_type,
|
||
ieee_volatile_type,
|
||
ieee_start_struct_type,
|
||
ieee_struct_field,
|
||
ieee_end_struct_type,
|
||
ieee_start_class_type,
|
||
ieee_class_static_member,
|
||
ieee_class_baseclass,
|
||
ieee_class_start_method,
|
||
ieee_class_method_variant,
|
||
ieee_class_static_method_variant,
|
||
ieee_class_end_method,
|
||
ieee_end_class_type,
|
||
ieee_typedef_type,
|
||
ieee_tag_type,
|
||
ieee_typdef,
|
||
ieee_tag,
|
||
ieee_int_constant,
|
||
ieee_float_constant,
|
||
ieee_typed_constant,
|
||
ieee_variable,
|
||
ieee_start_function,
|
||
ieee_function_parameter,
|
||
ieee_start_block,
|
||
ieee_end_block,
|
||
ieee_end_function,
|
||
ieee_lineno
|
||
};
|
||
|
||
/* Initialize a buffer to be empty. */
|
||
|
||
/*ARGSUSED*/
|
||
static boolean
|
||
ieee_init_buffer (info, buflist)
|
||
struct ieee_handle *info ATTRIBUTE_UNUSED;
|
||
struct ieee_buflist *buflist;
|
||
{
|
||
buflist->head = NULL;
|
||
buflist->tail = NULL;
|
||
return true;
|
||
}
|
||
|
||
/* See whether a buffer list has any data. */
|
||
|
||
#define ieee_buffer_emptyp(buflist) ((buflist)->head == NULL)
|
||
|
||
/* Change the current buffer to a specified buffer chain. */
|
||
|
||
static boolean
|
||
ieee_change_buffer (info, buflist)
|
||
struct ieee_handle *info;
|
||
struct ieee_buflist *buflist;
|
||
{
|
||
if (buflist->head == NULL)
|
||
{
|
||
struct ieee_buf *buf;
|
||
|
||
buf = (struct ieee_buf *) xmalloc (sizeof *buf);
|
||
buf->next = NULL;
|
||
buf->c = 0;
|
||
buflist->head = buf;
|
||
buflist->tail = buf;
|
||
}
|
||
|
||
info->current = buflist;
|
||
info->curbuf = buflist->tail;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Append a buffer chain. */
|
||
|
||
/*ARGSUSED*/
|
||
static boolean
|
||
ieee_append_buffer (info, mainbuf, newbuf)
|
||
struct ieee_handle *info ATTRIBUTE_UNUSED;
|
||
struct ieee_buflist *mainbuf;
|
||
struct ieee_buflist *newbuf;
|
||
{
|
||
if (newbuf->head != NULL)
|
||
{
|
||
if (mainbuf->head == NULL)
|
||
mainbuf->head = newbuf->head;
|
||
else
|
||
mainbuf->tail->next = newbuf->head;
|
||
mainbuf->tail = newbuf->tail;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/* Write a byte into the buffer. We use a macro for speed and a
|
||
function for the complex cases. */
|
||
|
||
#define ieee_write_byte(info, b) \
|
||
((info)->curbuf->c < IEEE_BUFSIZE \
|
||
? ((info)->curbuf->buf[(info)->curbuf->c++] = (b), true) \
|
||
: ieee_real_write_byte ((info), (b)))
|
||
|
||
static boolean
|
||
ieee_real_write_byte (info, b)
|
||
struct ieee_handle *info;
|
||
int b;
|
||
{
|
||
if (info->curbuf->c >= IEEE_BUFSIZE)
|
||
{
|
||
struct ieee_buf *n;
|
||
|
||
n = (struct ieee_buf *) xmalloc (sizeof *n);
|
||
n->next = NULL;
|
||
n->c = 0;
|
||
if (info->current->head == NULL)
|
||
info->current->head = n;
|
||
else
|
||
info->current->tail->next = n;
|
||
info->current->tail = n;
|
||
info->curbuf = n;
|
||
}
|
||
|
||
info->curbuf->buf[info->curbuf->c] = b;
|
||
++info->curbuf->c;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Write out two bytes. */
|
||
|
||
static boolean
|
||
ieee_write_2bytes (info, i)
|
||
struct ieee_handle *info;
|
||
int i;
|
||
{
|
||
return (ieee_write_byte (info, i >> 8)
|
||
&& ieee_write_byte (info, i & 0xff));
|
||
}
|
||
|
||
/* Write out an integer. */
|
||
|
||
static boolean
|
||
ieee_write_number (info, v)
|
||
struct ieee_handle *info;
|
||
bfd_vma v;
|
||
{
|
||
bfd_vma t;
|
||
bfd_byte ab[20];
|
||
bfd_byte *p;
|
||
unsigned int c;
|
||
|
||
if (v <= (bfd_vma) ieee_number_end_enum)
|
||
return ieee_write_byte (info, (int) v);
|
||
|
||
t = v;
|
||
p = ab + sizeof ab;
|
||
while (t != 0)
|
||
{
|
||
*--p = t & 0xff;
|
||
t >>= 8;
|
||
}
|
||
c = (ab + 20) - p;
|
||
|
||
if (c > (unsigned int) (ieee_number_repeat_end_enum
|
||
- ieee_number_repeat_start_enum))
|
||
{
|
||
fprintf (stderr, _("IEEE numeric overflow: 0x"));
|
||
fprintf_vma (stderr, v);
|
||
fprintf (stderr, "\n");
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_number_repeat_start_enum + c))
|
||
return false;
|
||
for (; c > 0; --c, ++p)
|
||
{
|
||
if (! ieee_write_byte (info, *p))
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Write out a string. */
|
||
|
||
static boolean
|
||
ieee_write_id (info, s)
|
||
struct ieee_handle *info;
|
||
const char *s;
|
||
{
|
||
unsigned int len;
|
||
|
||
len = strlen (s);
|
||
if (len <= 0x7f)
|
||
{
|
||
if (! ieee_write_byte (info, len))
|
||
return false;
|
||
}
|
||
else if (len <= 0xff)
|
||
{
|
||
if (! ieee_write_byte (info, (int) ieee_extension_length_1_enum)
|
||
|| ! ieee_write_byte (info, len))
|
||
return false;
|
||
}
|
||
else if (len <= 0xffff)
|
||
{
|
||
if (! ieee_write_byte (info, (int) ieee_extension_length_2_enum)
|
||
|| ! ieee_write_2bytes (info, len))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
fprintf (stderr, _("IEEE string length overflow: %u\n"), len);
|
||
return false;
|
||
}
|
||
|
||
for (; *s != '\0'; s++)
|
||
if (! ieee_write_byte (info, *s))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Write out an ASN record. */
|
||
|
||
static boolean
|
||
ieee_write_asn (info, indx, val)
|
||
struct ieee_handle *info;
|
||
unsigned int indx;
|
||
bfd_vma val;
|
||
{
|
||
return (ieee_write_2bytes (info, (int) ieee_asn_record_enum)
|
||
&& ieee_write_number (info, indx)
|
||
&& ieee_write_number (info, val));
|
||
}
|
||
|
||
/* Write out an ATN65 record. */
|
||
|
||
static boolean
|
||
ieee_write_atn65 (info, indx, s)
|
||
struct ieee_handle *info;
|
||
unsigned int indx;
|
||
const char *s;
|
||
{
|
||
return (ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
&& ieee_write_number (info, indx)
|
||
&& ieee_write_number (info, 0)
|
||
&& ieee_write_number (info, 65)
|
||
&& ieee_write_id (info, s));
|
||
}
|
||
|
||
/* Push a type index onto the type stack. */
|
||
|
||
static boolean
|
||
ieee_push_type (info, indx, size, unsignedp, localp)
|
||
struct ieee_handle *info;
|
||
unsigned int indx;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
boolean localp;
|
||
{
|
||
struct ieee_type_stack *ts;
|
||
|
||
ts = (struct ieee_type_stack *) xmalloc (sizeof *ts);
|
||
memset (ts, 0, sizeof *ts);
|
||
|
||
ts->type.indx = indx;
|
||
ts->type.size = size;
|
||
ts->type.unsignedp = unsignedp;
|
||
ts->type.localp = localp;
|
||
|
||
ts->next = info->type_stack;
|
||
info->type_stack = ts;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Pop a type index off the type stack. */
|
||
|
||
static unsigned int
|
||
ieee_pop_type (info)
|
||
struct ieee_handle *info;
|
||
{
|
||
return ieee_pop_type_used (info, true);
|
||
}
|
||
|
||
/* Pop an unused type index off the type stack. */
|
||
|
||
static void
|
||
ieee_pop_unused_type (info)
|
||
struct ieee_handle *info;
|
||
{
|
||
(void) ieee_pop_type_used (info, false);
|
||
}
|
||
|
||
/* Pop a used or unused type index off the type stack. */
|
||
|
||
static unsigned int
|
||
ieee_pop_type_used (info, used)
|
||
struct ieee_handle *info;
|
||
boolean used;
|
||
{
|
||
struct ieee_type_stack *ts;
|
||
unsigned int ret;
|
||
|
||
ts = info->type_stack;
|
||
assert (ts != NULL);
|
||
|
||
/* If this is a function type, and we need it, we need to append the
|
||
actual definition to the typedef block now. */
|
||
if (used && ! ieee_buffer_emptyp (&ts->type.fndef))
|
||
{
|
||
struct ieee_buflist *buflist;
|
||
|
||
if (ts->type.localp)
|
||
{
|
||
/* Make sure we have started the types block. */
|
||
if (ieee_buffer_emptyp (&info->types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 1)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
}
|
||
buflist = &info->types;
|
||
}
|
||
else
|
||
{
|
||
/* Make sure we started the global type block. */
|
||
if (ieee_buffer_emptyp (&info->global_types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 2)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
}
|
||
buflist = &info->global_types;
|
||
}
|
||
|
||
if (! ieee_append_buffer (info, buflist, &ts->type.fndef))
|
||
return false;
|
||
}
|
||
|
||
ret = ts->type.indx;
|
||
info->type_stack = ts->next;
|
||
free (ts);
|
||
return ret;
|
||
}
|
||
|
||
/* Add a range of bytes included in the current compilation unit. */
|
||
|
||
static boolean
|
||
ieee_add_range (info, global, low, high)
|
||
struct ieee_handle *info;
|
||
boolean global;
|
||
bfd_vma low;
|
||
bfd_vma high;
|
||
{
|
||
struct ieee_range **plist, *r, **pr;
|
||
|
||
if (low == (bfd_vma) -1 || high == (bfd_vma) -1 || low == high)
|
||
return true;
|
||
|
||
if (global)
|
||
plist = &info->global_ranges;
|
||
else
|
||
plist = &info->ranges;
|
||
|
||
for (r = *plist; r != NULL; r = r->next)
|
||
{
|
||
if (high >= r->low && low <= r->high)
|
||
{
|
||
/* The new range overlaps r. */
|
||
if (low < r->low)
|
||
r->low = low;
|
||
if (high > r->high)
|
||
r->high = high;
|
||
pr = &r->next;
|
||
while (*pr != NULL && (*pr)->low <= r->high)
|
||
{
|
||
struct ieee_range *n;
|
||
|
||
if ((*pr)->high > r->high)
|
||
r->high = (*pr)->high;
|
||
n = (*pr)->next;
|
||
free (*pr);
|
||
*pr = n;
|
||
}
|
||
return true;
|
||
}
|
||
}
|
||
|
||
r = (struct ieee_range *) xmalloc (sizeof *r);
|
||
memset (r, 0, sizeof *r);
|
||
|
||
r->low = low;
|
||
r->high = high;
|
||
|
||
/* Store the ranges sorted by address. */
|
||
for (pr = plist; *pr != NULL; pr = &(*pr)->next)
|
||
if ((*pr)->low > high)
|
||
break;
|
||
r->next = *pr;
|
||
*pr = r;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start a new range for which we only have the low address. */
|
||
|
||
static boolean
|
||
ieee_start_range (info, low)
|
||
struct ieee_handle *info;
|
||
bfd_vma low;
|
||
{
|
||
struct ieee_range *r;
|
||
|
||
r = (struct ieee_range *) xmalloc (sizeof *r);
|
||
memset (r, 0, sizeof *r);
|
||
r->low = low;
|
||
r->next = info->pending_ranges;
|
||
info->pending_ranges = r;
|
||
return true;
|
||
}
|
||
|
||
/* Finish a range started by ieee_start_range. */
|
||
|
||
static boolean
|
||
ieee_end_range (info, high)
|
||
struct ieee_handle *info;
|
||
bfd_vma high;
|
||
{
|
||
struct ieee_range *r;
|
||
bfd_vma low;
|
||
|
||
assert (info->pending_ranges != NULL);
|
||
r = info->pending_ranges;
|
||
low = r->low;
|
||
info->pending_ranges = r->next;
|
||
free (r);
|
||
return ieee_add_range (info, false, low, high);
|
||
}
|
||
|
||
/* Start defining a type. */
|
||
|
||
static boolean
|
||
ieee_define_type (info, size, unsignedp, localp)
|
||
struct ieee_handle *info;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
boolean localp;
|
||
{
|
||
return ieee_define_named_type (info, (const char *) NULL,
|
||
(unsigned int) -1, size, unsignedp,
|
||
localp, (struct ieee_buflist *) NULL);
|
||
}
|
||
|
||
/* Start defining a named type. */
|
||
|
||
static boolean
|
||
ieee_define_named_type (info, name, indx, size, unsignedp, localp, buflist)
|
||
struct ieee_handle *info;
|
||
const char *name;
|
||
unsigned int indx;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
boolean localp;
|
||
struct ieee_buflist *buflist;
|
||
{
|
||
unsigned int type_indx;
|
||
unsigned int name_indx;
|
||
|
||
if (indx != (unsigned int) -1)
|
||
type_indx = indx;
|
||
else
|
||
{
|
||
type_indx = info->type_indx;
|
||
++info->type_indx;
|
||
}
|
||
|
||
name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
|
||
if (name == NULL)
|
||
name = "";
|
||
|
||
/* If we were given a buffer, use it; otherwise, use either the
|
||
local or the global type information, and make sure that the type
|
||
block is started. */
|
||
if (buflist != NULL)
|
||
{
|
||
if (! ieee_change_buffer (info, buflist))
|
||
return false;
|
||
}
|
||
else if (localp)
|
||
{
|
||
if (! ieee_buffer_emptyp (&info->types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 1)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_buffer_emptyp (&info->global_types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 2)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/* Push the new type on the type stack, write out an NN record, and
|
||
write out the start of a TY record. The caller will then finish
|
||
the TY record. */
|
||
if (! ieee_push_type (info, type_indx, size, unsignedp, localp))
|
||
return false;
|
||
|
||
return (ieee_write_byte (info, (int) ieee_nn_record)
|
||
&& ieee_write_number (info, name_indx)
|
||
&& ieee_write_id (info, name)
|
||
&& ieee_write_byte (info, (int) ieee_ty_record_enum)
|
||
&& ieee_write_number (info, type_indx)
|
||
&& ieee_write_byte (info, 0xce)
|
||
&& ieee_write_number (info, name_indx));
|
||
}
|
||
|
||
/* Get an entry to the list of modified versions of a type. */
|
||
|
||
static struct ieee_modified_type *
|
||
ieee_get_modified_info (info, indx)
|
||
struct ieee_handle *info;
|
||
unsigned int indx;
|
||
{
|
||
if (indx >= info->modified_alloc)
|
||
{
|
||
unsigned int nalloc;
|
||
|
||
nalloc = info->modified_alloc;
|
||
if (nalloc == 0)
|
||
nalloc = 16;
|
||
while (indx >= nalloc)
|
||
nalloc *= 2;
|
||
info->modified = ((struct ieee_modified_type *)
|
||
xrealloc (info->modified,
|
||
nalloc * sizeof *info->modified));
|
||
memset (info->modified + info->modified_alloc, 0,
|
||
(nalloc - info->modified_alloc) * sizeof *info->modified);
|
||
info->modified_alloc = nalloc;
|
||
}
|
||
|
||
return info->modified + indx;
|
||
}
|
||
|
||
/* Routines for the hash table mapping names to types. */
|
||
|
||
/* Initialize an entry in the hash table. */
|
||
|
||
static struct bfd_hash_entry *
|
||
ieee_name_type_newfunc (entry, table, string)
|
||
struct bfd_hash_entry *entry;
|
||
struct bfd_hash_table *table;
|
||
const char *string;
|
||
{
|
||
struct ieee_name_type_hash_entry *ret =
|
||
(struct ieee_name_type_hash_entry *) entry;
|
||
|
||
/* Allocate the structure if it has not already been allocated by a
|
||
subclass. */
|
||
if (ret == NULL)
|
||
ret = ((struct ieee_name_type_hash_entry *)
|
||
bfd_hash_allocate (table, sizeof *ret));
|
||
if (ret == NULL)
|
||
return NULL;
|
||
|
||
/* Call the allocation method of the superclass. */
|
||
ret = ((struct ieee_name_type_hash_entry *)
|
||
bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
|
||
if (ret)
|
||
{
|
||
/* Set local fields. */
|
||
ret->types = NULL;
|
||
}
|
||
|
||
return (struct bfd_hash_entry *) ret;
|
||
}
|
||
|
||
/* Look up an entry in the hash table. */
|
||
|
||
#define ieee_name_type_hash_lookup(table, string, create, copy) \
|
||
((struct ieee_name_type_hash_entry *) \
|
||
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
|
||
|
||
/* Traverse the hash table. */
|
||
|
||
#define ieee_name_type_hash_traverse(table, func, info) \
|
||
(bfd_hash_traverse \
|
||
(&(table)->root, \
|
||
(boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) (func), \
|
||
(info)))
|
||
|
||
/* The general routine to write out IEEE debugging information. */
|
||
|
||
boolean
|
||
write_ieee_debugging_info (abfd, dhandle)
|
||
bfd *abfd;
|
||
PTR dhandle;
|
||
{
|
||
struct ieee_handle info;
|
||
asection *s;
|
||
const char *err;
|
||
struct ieee_buf *b;
|
||
|
||
memset (&info, 0, sizeof info);
|
||
info.abfd = abfd;
|
||
info.type_indx = 256;
|
||
info.name_indx = 32;
|
||
|
||
if (! bfd_hash_table_init (&info.typedefs.root, ieee_name_type_newfunc)
|
||
|| ! bfd_hash_table_init (&info.tags.root, ieee_name_type_newfunc))
|
||
return false;
|
||
|
||
if (! ieee_init_buffer (&info, &info.global_types)
|
||
|| ! ieee_init_buffer (&info, &info.data)
|
||
|| ! ieee_init_buffer (&info, &info.types)
|
||
|| ! ieee_init_buffer (&info, &info.vars)
|
||
|| ! ieee_init_buffer (&info, &info.cxx)
|
||
|| ! ieee_init_buffer (&info, &info.linenos)
|
||
|| ! ieee_init_buffer (&info, &info.fntype)
|
||
|| ! ieee_init_buffer (&info, &info.fnargs))
|
||
return false;
|
||
|
||
if (! debug_write (dhandle, &ieee_fns, (PTR) &info))
|
||
return false;
|
||
|
||
if (info.filename != NULL)
|
||
{
|
||
if (! ieee_finish_compilation_unit (&info))
|
||
return false;
|
||
}
|
||
|
||
/* Put any undefined tags in the global typedef information. */
|
||
info.error = false;
|
||
ieee_name_type_hash_traverse (&info.tags,
|
||
ieee_write_undefined_tag,
|
||
(PTR) &info);
|
||
if (info.error)
|
||
return false;
|
||
|
||
/* Prepend the global typedef information to the other data. */
|
||
if (! ieee_buffer_emptyp (&info.global_types))
|
||
{
|
||
/* The HP debugger seems to have a bug in which it ignores the
|
||
last entry in the global types, so we add a dummy entry. */
|
||
if (! ieee_change_buffer (&info, &info.global_types)
|
||
|| ! ieee_write_byte (&info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (&info, info.name_indx)
|
||
|| ! ieee_write_id (&info, "")
|
||
|| ! ieee_write_byte (&info, (int) ieee_ty_record_enum)
|
||
|| ! ieee_write_number (&info, info.type_indx)
|
||
|| ! ieee_write_byte (&info, 0xce)
|
||
|| ! ieee_write_number (&info, info.name_indx)
|
||
|| ! ieee_write_number (&info, 'P')
|
||
|| ! ieee_write_number (&info, (int) builtin_void + 32)
|
||
|| ! ieee_write_byte (&info, (int) ieee_be_record_enum))
|
||
return false;
|
||
|
||
if (! ieee_append_buffer (&info, &info.global_types, &info.data))
|
||
return false;
|
||
info.data = info.global_types;
|
||
}
|
||
|
||
/* Make sure that we have declare BB11 blocks for each range in the
|
||
file. They are added to info->vars. */
|
||
info.error = false;
|
||
if (! ieee_init_buffer (&info, &info.vars))
|
||
return false;
|
||
bfd_map_over_sections (abfd, ieee_add_bb11_blocks, (PTR) &info);
|
||
if (info.error)
|
||
return false;
|
||
if (! ieee_buffer_emptyp (&info.vars))
|
||
{
|
||
if (! ieee_change_buffer (&info, &info.vars)
|
||
|| ! ieee_write_byte (&info, (int) ieee_be_record_enum))
|
||
return false;
|
||
|
||
if (! ieee_append_buffer (&info, &info.data, &info.vars))
|
||
return false;
|
||
}
|
||
|
||
/* Now all the data is in info.data. Write it out to the BFD. We
|
||
normally would need to worry about whether all the other sections
|
||
are set up yet, but the IEEE backend will handle this particular
|
||
case correctly regardless. */
|
||
if (ieee_buffer_emptyp (&info.data))
|
||
{
|
||
/* There is no debugging information. */
|
||
return true;
|
||
}
|
||
err = NULL;
|
||
s = bfd_make_section (abfd, ".debug");
|
||
if (s == NULL)
|
||
err = "bfd_make_section";
|
||
if (err == NULL)
|
||
{
|
||
if (! bfd_set_section_flags (abfd, s, SEC_DEBUGGING | SEC_HAS_CONTENTS))
|
||
err = "bfd_set_section_flags";
|
||
}
|
||
if (err == NULL)
|
||
{
|
||
bfd_size_type size;
|
||
|
||
size = 0;
|
||
for (b = info.data.head; b != NULL; b = b->next)
|
||
size += b->c;
|
||
if (! bfd_set_section_size (abfd, s, size))
|
||
err = "bfd_set_section_size";
|
||
}
|
||
if (err == NULL)
|
||
{
|
||
file_ptr offset;
|
||
|
||
offset = 0;
|
||
for (b = info.data.head; b != NULL; b = b->next)
|
||
{
|
||
if (! bfd_set_section_contents (abfd, s, b->buf, offset, b->c))
|
||
{
|
||
err = "bfd_set_section_contents";
|
||
break;
|
||
}
|
||
offset += b->c;
|
||
}
|
||
}
|
||
|
||
if (err != NULL)
|
||
{
|
||
fprintf (stderr, "%s: %s: %s\n", bfd_get_filename (abfd), err,
|
||
bfd_errmsg (bfd_get_error ()));
|
||
return false;
|
||
}
|
||
|
||
bfd_hash_table_free (&info.typedefs.root);
|
||
bfd_hash_table_free (&info.tags.root);
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Write out information for an undefined tag. This is called via
|
||
ieee_name_type_hash_traverse. */
|
||
|
||
static boolean
|
||
ieee_write_undefined_tag (h, p)
|
||
struct ieee_name_type_hash_entry *h;
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_name_type *nt;
|
||
|
||
for (nt = h->types; nt != NULL; nt = nt->next)
|
||
{
|
||
unsigned int name_indx;
|
||
char code;
|
||
|
||
if (nt->kind == DEBUG_KIND_ILLEGAL)
|
||
continue;
|
||
|
||
if (ieee_buffer_emptyp (&info->global_types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 2)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, ""))
|
||
{
|
||
info->error = true;
|
||
return false;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types))
|
||
{
|
||
info->error = true;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, name_indx)
|
||
|| ! ieee_write_id (info, nt->type.name)
|
||
|| ! ieee_write_byte (info, (int) ieee_ty_record_enum)
|
||
|| ! ieee_write_number (info, nt->type.indx)
|
||
|| ! ieee_write_byte (info, 0xce)
|
||
|| ! ieee_write_number (info, name_indx))
|
||
{
|
||
info->error = true;
|
||
return false;
|
||
}
|
||
|
||
switch (nt->kind)
|
||
{
|
||
default:
|
||
abort ();
|
||
info->error = true;
|
||
return false;
|
||
case DEBUG_KIND_STRUCT:
|
||
case DEBUG_KIND_CLASS:
|
||
code = 'S';
|
||
break;
|
||
case DEBUG_KIND_UNION:
|
||
case DEBUG_KIND_UNION_CLASS:
|
||
code = 'U';
|
||
break;
|
||
case DEBUG_KIND_ENUM:
|
||
code = 'E';
|
||
break;
|
||
}
|
||
if (! ieee_write_number (info, code)
|
||
|| ! ieee_write_number (info, 0))
|
||
{
|
||
info->error = true;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start writing out information for a compilation unit. */
|
||
|
||
static boolean
|
||
ieee_start_compilation_unit (p, filename)
|
||
PTR p;
|
||
const char *filename;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
const char *modname;
|
||
char *c, *s;
|
||
unsigned int nindx;
|
||
|
||
if (info->filename != NULL)
|
||
{
|
||
if (! ieee_finish_compilation_unit (info))
|
||
return false;
|
||
}
|
||
|
||
info->filename = filename;
|
||
modname = strrchr (filename, '/');
|
||
if (modname != NULL)
|
||
++modname;
|
||
else
|
||
{
|
||
modname = strrchr (filename, '\\');
|
||
if (modname != NULL)
|
||
++modname;
|
||
else
|
||
modname = filename;
|
||
}
|
||
c = xstrdup (modname);
|
||
s = strrchr (c, '.');
|
||
if (s != NULL)
|
||
*s = '\0';
|
||
info->modname = c;
|
||
|
||
if (! ieee_init_buffer (info, &info->types)
|
||
|| ! ieee_init_buffer (info, &info->vars)
|
||
|| ! ieee_init_buffer (info, &info->cxx)
|
||
|| ! ieee_init_buffer (info, &info->linenos))
|
||
return false;
|
||
info->ranges = NULL;
|
||
|
||
/* Always include a BB1 and a BB3 block. That is what the output of
|
||
the MRI linker seems to look like. */
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 1)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
|
||
nindx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 3)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Finish up a compilation unit. */
|
||
|
||
static boolean
|
||
ieee_finish_compilation_unit (info)
|
||
struct ieee_handle *info;
|
||
{
|
||
struct ieee_range *r;
|
||
|
||
if (! ieee_buffer_emptyp (&info->types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_buffer_emptyp (&info->cxx))
|
||
{
|
||
/* Append any C++ information to the global function and
|
||
variable information. */
|
||
assert (! ieee_buffer_emptyp (&info->vars));
|
||
if (! ieee_change_buffer (info, &info->vars))
|
||
return false;
|
||
|
||
/* We put the pmisc records in a dummy procedure, just as the
|
||
MRI compiler does. */
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 6)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "__XRYCPP")
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, info->highaddr - 1)
|
||
|| ! ieee_append_buffer (info, &info->vars, &info->cxx)
|
||
|| ! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum)
|
||
|| ! ieee_write_number (info, info->highaddr - 1))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_buffer_emptyp (&info->vars))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
}
|
||
|
||
if (info->pending_lineno_filename != NULL)
|
||
{
|
||
/* Force out the pending line number. */
|
||
if (! ieee_lineno ((PTR) info, (const char *) NULL, 0, (bfd_vma) -1))
|
||
return false;
|
||
}
|
||
if (! ieee_buffer_emptyp (&info->linenos))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->linenos)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
if (strcmp (info->filename, info->lineno_filename) != 0)
|
||
{
|
||
/* We were not in the main file. We just closed the
|
||
included line number block, and now we must close the
|
||
main line number block. */
|
||
if (! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (! ieee_append_buffer (info, &info->data, &info->types)
|
||
|| ! ieee_append_buffer (info, &info->data, &info->vars)
|
||
|| ! ieee_append_buffer (info, &info->data, &info->linenos))
|
||
return false;
|
||
|
||
/* Build BB10/BB11 blocks based on the ranges we recorded. */
|
||
if (! ieee_change_buffer (info, &info->data))
|
||
return false;
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 10)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "GNU objcopy"))
|
||
return false;
|
||
|
||
for (r = info->ranges; r != NULL; r = r->next)
|
||
{
|
||
bfd_vma low, high;
|
||
asection *s;
|
||
int kind;
|
||
|
||
low = r->low;
|
||
high = r->high;
|
||
|
||
/* Find the section corresponding to this range. */
|
||
for (s = info->abfd->sections; s != NULL; s = s->next)
|
||
{
|
||
if (bfd_get_section_vma (info->abfd, s) <= low
|
||
&& high <= (bfd_get_section_vma (info->abfd, s)
|
||
+ bfd_section_size (info->abfd, s)))
|
||
break;
|
||
}
|
||
|
||
if (s == NULL)
|
||
{
|
||
/* Just ignore this range. */
|
||
continue;
|
||
}
|
||
|
||
/* Coalesce ranges if it seems reasonable. */
|
||
while (r->next != NULL
|
||
&& high + 0x1000 >= r->next->low
|
||
&& (r->next->high
|
||
<= (bfd_get_section_vma (info->abfd, s)
|
||
+ bfd_section_size (info->abfd, s))))
|
||
{
|
||
r = r->next;
|
||
high = r->high;
|
||
}
|
||
|
||
if ((s->flags & SEC_CODE) != 0)
|
||
kind = 1;
|
||
else if ((s->flags & SEC_READONLY) != 0)
|
||
kind = 3;
|
||
else
|
||
kind = 2;
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 11)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_number (info, kind)
|
||
|| ! ieee_write_number (info, s->index + IEEE_SECTION_NUMBER_BASE)
|
||
|| ! ieee_write_number (info, low)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum)
|
||
|| ! ieee_write_number (info, high - low))
|
||
return false;
|
||
|
||
/* Add this range to the list of global ranges. */
|
||
if (! ieee_add_range (info, true, low, high))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Add BB11 blocks describing each range that we have not already
|
||
described. */
|
||
|
||
static void
|
||
ieee_add_bb11_blocks (abfd, sec, data)
|
||
bfd *abfd ATTRIBUTE_UNUSED;
|
||
asection *sec;
|
||
PTR data;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) data;
|
||
bfd_vma low, high;
|
||
struct ieee_range *r;
|
||
|
||
low = bfd_get_section_vma (abfd, sec);
|
||
high = low + bfd_section_size (abfd, sec);
|
||
|
||
/* Find the first range at or after this section. The ranges are
|
||
sorted by address. */
|
||
for (r = info->global_ranges; r != NULL; r = r->next)
|
||
if (r->high > low)
|
||
break;
|
||
|
||
while (low < high)
|
||
{
|
||
if (r == NULL || r->low >= high)
|
||
{
|
||
if (! ieee_add_bb11 (info, sec, low, high))
|
||
info->error = true;
|
||
return;
|
||
}
|
||
|
||
if (low < r->low
|
||
&& r->low - low > 0x100)
|
||
{
|
||
if (! ieee_add_bb11 (info, sec, low, r->low))
|
||
{
|
||
info->error = true;
|
||
return;
|
||
}
|
||
}
|
||
low = r->high;
|
||
|
||
r = r->next;
|
||
}
|
||
}
|
||
|
||
/* Add a single BB11 block for a range. We add it to info->vars. */
|
||
|
||
static boolean
|
||
ieee_add_bb11 (info, sec, low, high)
|
||
struct ieee_handle *info;
|
||
asection *sec;
|
||
bfd_vma low;
|
||
bfd_vma high;
|
||
{
|
||
int kind;
|
||
|
||
if (! ieee_buffer_emptyp (&info->vars))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->vars))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
const char *filename, *modname;
|
||
char *c, *s;
|
||
|
||
/* Start the enclosing BB10 block. */
|
||
filename = bfd_get_filename (info->abfd);
|
||
modname = strrchr (filename, '/');
|
||
if (modname != NULL)
|
||
++modname;
|
||
else
|
||
{
|
||
modname = strrchr (filename, '\\');
|
||
if (modname != NULL)
|
||
++modname;
|
||
else
|
||
modname = filename;
|
||
}
|
||
c = xstrdup (modname);
|
||
s = strrchr (c, '.');
|
||
if (s != NULL)
|
||
*s = '\0';
|
||
|
||
if (! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 10)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, c)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "GNU objcopy"))
|
||
return false;
|
||
|
||
free (c);
|
||
}
|
||
|
||
if ((sec->flags & SEC_CODE) != 0)
|
||
kind = 1;
|
||
else if ((sec->flags & SEC_READONLY) != 0)
|
||
kind = 3;
|
||
else
|
||
kind = 2;
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 11)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_number (info, kind)
|
||
|| ! ieee_write_number (info, sec->index + IEEE_SECTION_NUMBER_BASE)
|
||
|| ! ieee_write_number (info, low)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum)
|
||
|| ! ieee_write_number (info, high - low))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start recording information from a particular source file. This is
|
||
used to record which file defined which types, variables, etc. It
|
||
is not used for line numbers, since the lineno entry point passes
|
||
down the file name anyhow. IEEE debugging information doesn't seem
|
||
to store this information anywhere. */
|
||
|
||
/*ARGSUSED*/
|
||
static boolean
|
||
ieee_start_source (p, filename)
|
||
PTR p ATTRIBUTE_UNUSED;
|
||
const char *filename ATTRIBUTE_UNUSED;
|
||
{
|
||
return true;
|
||
}
|
||
|
||
/* Make an empty type. */
|
||
|
||
static boolean
|
||
ieee_empty_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
return ieee_push_type (info, (int) builtin_unknown, 0, false, false);
|
||
}
|
||
|
||
/* Make a void type. */
|
||
|
||
static boolean
|
||
ieee_void_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
return ieee_push_type (info, (int) builtin_void, 0, false, false);
|
||
}
|
||
|
||
/* Make an integer type. */
|
||
|
||
static boolean
|
||
ieee_int_type (p, size, unsignedp)
|
||
PTR p;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int indx;
|
||
|
||
switch (size)
|
||
{
|
||
case 1:
|
||
indx = (int) builtin_signed_char;
|
||
break;
|
||
case 2:
|
||
indx = (int) builtin_signed_short_int;
|
||
break;
|
||
case 4:
|
||
indx = (int) builtin_signed_long;
|
||
break;
|
||
case 8:
|
||
indx = (int) builtin_signed_long_long;
|
||
break;
|
||
default:
|
||
fprintf (stderr, _("IEEE unsupported integer type size %u\n"), size);
|
||
return false;
|
||
}
|
||
|
||
if (unsignedp)
|
||
++indx;
|
||
|
||
return ieee_push_type (info, indx, size, unsignedp, false);
|
||
}
|
||
|
||
/* Make a floating point type. */
|
||
|
||
static boolean
|
||
ieee_float_type (p, size)
|
||
PTR p;
|
||
unsigned int size;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int indx;
|
||
|
||
switch (size)
|
||
{
|
||
case 4:
|
||
indx = (int) builtin_float;
|
||
break;
|
||
case 8:
|
||
indx = (int) builtin_double;
|
||
break;
|
||
case 12:
|
||
/* FIXME: This size really depends upon the processor. */
|
||
indx = (int) builtin_long_double;
|
||
break;
|
||
case 16:
|
||
indx = (int) builtin_long_long_double;
|
||
break;
|
||
default:
|
||
fprintf (stderr, _("IEEE unsupported float type size %u\n"), size);
|
||
return false;
|
||
}
|
||
|
||
return ieee_push_type (info, indx, size, false, false);
|
||
}
|
||
|
||
/* Make a complex type. */
|
||
|
||
static boolean
|
||
ieee_complex_type (p, size)
|
||
PTR p;
|
||
unsigned int size;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
char code;
|
||
|
||
switch (size)
|
||
{
|
||
case 4:
|
||
if (info->complex_float_index != 0)
|
||
return ieee_push_type (info, info->complex_float_index, size * 2,
|
||
false, false);
|
||
code = 'c';
|
||
break;
|
||
case 12:
|
||
case 16:
|
||
/* These cases can be output by gcc -gstabs. Outputting the
|
||
wrong type is better than crashing. */
|
||
case 8:
|
||
if (info->complex_double_index != 0)
|
||
return ieee_push_type (info, info->complex_double_index, size * 2,
|
||
false, false);
|
||
code = 'd';
|
||
break;
|
||
default:
|
||
fprintf (stderr, _("IEEE unsupported complex type size %u\n"), size);
|
||
return false;
|
||
}
|
||
|
||
/* FIXME: I don't know what the string is for. */
|
||
if (! ieee_define_type (info, size * 2, false, false)
|
||
|| ! ieee_write_number (info, code)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
|
||
if (size == 4)
|
||
info->complex_float_index = info->type_stack->type.indx;
|
||
else
|
||
info->complex_double_index = info->type_stack->type.indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a boolean type. IEEE doesn't support these, so we just make
|
||
an integer type instead. */
|
||
|
||
static boolean
|
||
ieee_bool_type (p, size)
|
||
PTR p;
|
||
unsigned int size;
|
||
{
|
||
return ieee_int_type (p, size, true);
|
||
}
|
||
|
||
/* Make an enumeration. */
|
||
|
||
static boolean
|
||
ieee_enum_type (p, tag, names, vals)
|
||
PTR p;
|
||
const char *tag;
|
||
const char **names;
|
||
bfd_signed_vma *vals;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_defined_enum *e;
|
||
boolean localp, simple;
|
||
unsigned int indx;
|
||
int i = 0;
|
||
|
||
localp = false;
|
||
indx = (unsigned int) -1;
|
||
for (e = info->enums; e != NULL; e = e->next)
|
||
{
|
||
if (tag == NULL)
|
||
{
|
||
if (e->tag != NULL)
|
||
continue;
|
||
}
|
||
else
|
||
{
|
||
if (e->tag == NULL
|
||
|| tag[0] != e->tag[0]
|
||
|| strcmp (tag, e->tag) != 0)
|
||
continue;
|
||
}
|
||
|
||
if (! e->defined)
|
||
{
|
||
/* This enum tag has been seen but not defined. */
|
||
indx = e->indx;
|
||
break;
|
||
}
|
||
|
||
if (names != NULL && e->names != NULL)
|
||
{
|
||
for (i = 0; names[i] != NULL && e->names[i] != NULL; i++)
|
||
{
|
||
if (names[i][0] != e->names[i][0]
|
||
|| vals[i] != e->vals[i]
|
||
|| strcmp (names[i], e->names[i]) != 0)
|
||
break;
|
||
}
|
||
}
|
||
|
||
if ((names == NULL && e->names == NULL)
|
||
|| (names != NULL
|
||
&& e->names != NULL
|
||
&& names[i] == NULL
|
||
&& e->names[i] == NULL))
|
||
{
|
||
/* We've seen this enum before. */
|
||
return ieee_push_type (info, e->indx, 0, true, false);
|
||
}
|
||
|
||
if (tag != NULL)
|
||
{
|
||
/* We've already seen an enum of the same name, so we must make
|
||
sure to output this one locally. */
|
||
localp = true;
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* If this is a simple enumeration, in which the values start at 0
|
||
and always increment by 1, we can use type E. Otherwise we must
|
||
use type N. */
|
||
|
||
simple = true;
|
||
if (names != NULL)
|
||
{
|
||
for (i = 0; names[i] != NULL; i++)
|
||
{
|
||
if (vals[i] != i)
|
||
{
|
||
simple = false;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (! ieee_define_named_type (info, tag, indx, 0, true, localp,
|
||
(struct ieee_buflist *) NULL)
|
||
|| ! ieee_write_number (info, simple ? 'E' : 'N'))
|
||
return false;
|
||
if (simple)
|
||
{
|
||
/* FIXME: This is supposed to be the enumeration size, but we
|
||
don't store that. */
|
||
if (! ieee_write_number (info, 4))
|
||
return false;
|
||
}
|
||
if (names != NULL)
|
||
{
|
||
for (i = 0; names[i] != NULL; i++)
|
||
{
|
||
if (! ieee_write_id (info, names[i]))
|
||
return false;
|
||
if (! simple)
|
||
{
|
||
if (! ieee_write_number (info, vals[i]))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (! localp)
|
||
{
|
||
if (indx == (unsigned int) -1)
|
||
{
|
||
e = (struct ieee_defined_enum *) xmalloc (sizeof *e);
|
||
memset (e, 0, sizeof *e);
|
||
e->indx = info->type_stack->type.indx;
|
||
e->tag = tag;
|
||
|
||
e->next = info->enums;
|
||
info->enums = e;
|
||
}
|
||
|
||
e->names = names;
|
||
e->vals = vals;
|
||
e->defined = true;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a pointer type. */
|
||
|
||
static boolean
|
||
ieee_pointer_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean localp;
|
||
unsigned int indx;
|
||
struct ieee_modified_type *m = NULL;
|
||
|
||
localp = info->type_stack->type.localp;
|
||
indx = ieee_pop_type (info);
|
||
|
||
/* A pointer to a simple builtin type can be obtained by adding 32.
|
||
FIXME: Will this be a short pointer, and will that matter? */
|
||
if (indx < 32)
|
||
return ieee_push_type (info, indx + 32, 0, true, false);
|
||
|
||
if (! localp)
|
||
{
|
||
m = ieee_get_modified_info (p, indx);
|
||
if (m == NULL)
|
||
return false;
|
||
|
||
/* FIXME: The size should depend upon the architecture. */
|
||
if (m->pointer > 0)
|
||
return ieee_push_type (info, m->pointer, 4, true, false);
|
||
}
|
||
|
||
if (! ieee_define_type (info, 4, true, localp)
|
||
|| ! ieee_write_number (info, 'P')
|
||
|| ! ieee_write_number (info, indx))
|
||
return false;
|
||
|
||
if (! localp)
|
||
m->pointer = info->type_stack->type.indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a function type. This will be called for a method, but we
|
||
don't want to actually add it to the type table in that case. We
|
||
handle this by defining the type in a private buffer, and only
|
||
adding that buffer to the typedef block if we are going to use it. */
|
||
|
||
static boolean
|
||
ieee_function_type (p, argcount, varargs)
|
||
PTR p;
|
||
int argcount;
|
||
boolean varargs;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean localp;
|
||
unsigned int *args = NULL;
|
||
int i;
|
||
unsigned int retindx;
|
||
struct ieee_buflist fndef;
|
||
struct ieee_modified_type *m;
|
||
|
||
localp = false;
|
||
|
||
if (argcount > 0)
|
||
{
|
||
args = (unsigned int *) xmalloc (argcount * sizeof *args);
|
||
for (i = argcount - 1; i >= 0; i--)
|
||
{
|
||
if (info->type_stack->type.localp)
|
||
localp = true;
|
||
args[i] = ieee_pop_type (info);
|
||
}
|
||
}
|
||
else if (argcount < 0)
|
||
varargs = false;
|
||
|
||
if (info->type_stack->type.localp)
|
||
localp = true;
|
||
retindx = ieee_pop_type (info);
|
||
|
||
m = NULL;
|
||
if (argcount < 0 && ! localp)
|
||
{
|
||
m = ieee_get_modified_info (p, retindx);
|
||
if (m == NULL)
|
||
return false;
|
||
|
||
if (m->function > 0)
|
||
return ieee_push_type (info, m->function, 0, true, false);
|
||
}
|
||
|
||
/* An attribute of 0x41 means that the frame and push mask are
|
||
unknown. */
|
||
if (! ieee_init_buffer (info, &fndef)
|
||
|| ! ieee_define_named_type (info, (const char *) NULL,
|
||
(unsigned int) -1, 0, true, localp,
|
||
&fndef)
|
||
|| ! ieee_write_number (info, 'x')
|
||
|| ! ieee_write_number (info, 0x41)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, retindx)
|
||
|| ! ieee_write_number (info, (bfd_vma) argcount + (varargs ? 1 : 0)))
|
||
return false;
|
||
if (argcount > 0)
|
||
{
|
||
for (i = 0; i < argcount; i++)
|
||
if (! ieee_write_number (info, args[i]))
|
||
return false;
|
||
free (args);
|
||
}
|
||
if (varargs)
|
||
{
|
||
/* A varargs function is represented by writing out the last
|
||
argument as type void *, although this makes little sense. */
|
||
if (! ieee_write_number (info, (bfd_vma) builtin_void + 32))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_write_number (info, 0))
|
||
return false;
|
||
|
||
/* We wrote the information into fndef, in case we don't need it.
|
||
It will be appended to info->types by ieee_pop_type. */
|
||
info->type_stack->type.fndef = fndef;
|
||
|
||
if (m != NULL)
|
||
m->function = info->type_stack->type.indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a reference type. */
|
||
|
||
static boolean
|
||
ieee_reference_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
/* IEEE appears to record a normal pointer type, and then use a
|
||
pmisc record to indicate that it is really a reference. */
|
||
|
||
if (! ieee_pointer_type (p))
|
||
return false;
|
||
info->type_stack->type.referencep = true;
|
||
return true;
|
||
}
|
||
|
||
/* Make a range type. */
|
||
|
||
static boolean
|
||
ieee_range_type (p, low, high)
|
||
PTR p;
|
||
bfd_signed_vma low;
|
||
bfd_signed_vma high;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int size;
|
||
boolean unsignedp, localp;
|
||
|
||
size = info->type_stack->type.size;
|
||
unsignedp = info->type_stack->type.unsignedp;
|
||
localp = info->type_stack->type.localp;
|
||
ieee_pop_unused_type (info);
|
||
return (ieee_define_type (info, size, unsignedp, localp)
|
||
&& ieee_write_number (info, 'R')
|
||
&& ieee_write_number (info, (bfd_vma) low)
|
||
&& ieee_write_number (info, (bfd_vma) high)
|
||
&& ieee_write_number (info, unsignedp ? 0 : 1)
|
||
&& ieee_write_number (info, size));
|
||
}
|
||
|
||
/* Make an array type. */
|
||
|
||
/*ARGSUSED*/
|
||
static boolean
|
||
ieee_array_type (p, low, high, stringp)
|
||
PTR p;
|
||
bfd_signed_vma low;
|
||
bfd_signed_vma high;
|
||
boolean stringp ATTRIBUTE_UNUSED;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int eleindx;
|
||
boolean localp;
|
||
unsigned int size;
|
||
struct ieee_modified_type *m = NULL;
|
||
struct ieee_modified_array_type *a;
|
||
|
||
/* IEEE does not store the range, so we just ignore it. */
|
||
ieee_pop_unused_type (info);
|
||
localp = info->type_stack->type.localp;
|
||
size = info->type_stack->type.size;
|
||
eleindx = ieee_pop_type (info);
|
||
|
||
/* If we don't know the range, treat the size as exactly one
|
||
element. */
|
||
if (low < high)
|
||
size *= (high - low) + 1;
|
||
|
||
if (! localp)
|
||
{
|
||
m = ieee_get_modified_info (info, eleindx);
|
||
if (m == NULL)
|
||
return false;
|
||
|
||
for (a = m->arrays; a != NULL; a = a->next)
|
||
{
|
||
if (a->low == low && a->high == high)
|
||
return ieee_push_type (info, a->indx, size, false, false);
|
||
}
|
||
}
|
||
|
||
if (! ieee_define_type (info, size, false, localp)
|
||
|| ! ieee_write_number (info, low == 0 ? 'Z' : 'C')
|
||
|| ! ieee_write_number (info, eleindx))
|
||
return false;
|
||
if (low != 0)
|
||
{
|
||
if (! ieee_write_number (info, low))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_write_number (info, high + 1))
|
||
return false;
|
||
|
||
if (! localp)
|
||
{
|
||
a = (struct ieee_modified_array_type *) xmalloc (sizeof *a);
|
||
memset (a, 0, sizeof *a);
|
||
|
||
a->indx = info->type_stack->type.indx;
|
||
a->low = low;
|
||
a->high = high;
|
||
|
||
a->next = m->arrays;
|
||
m->arrays = a;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a set type. */
|
||
|
||
static boolean
|
||
ieee_set_type (p, bitstringp)
|
||
PTR p;
|
||
boolean bitstringp ATTRIBUTE_UNUSED;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean localp;
|
||
unsigned int eleindx;
|
||
|
||
localp = info->type_stack->type.localp;
|
||
eleindx = ieee_pop_type (info);
|
||
|
||
/* FIXME: We don't know the size, so we just use 4. */
|
||
|
||
return (ieee_define_type (info, 0, true, localp)
|
||
&& ieee_write_number (info, 's')
|
||
&& ieee_write_number (info, 4)
|
||
&& ieee_write_number (info, eleindx));
|
||
}
|
||
|
||
/* Make an offset type. */
|
||
|
||
static boolean
|
||
ieee_offset_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int targetindx, baseindx;
|
||
|
||
targetindx = ieee_pop_type (info);
|
||
baseindx = ieee_pop_type (info);
|
||
|
||
/* FIXME: The MRI C++ compiler does not appear to generate any
|
||
useful type information about an offset type. It just records a
|
||
pointer to member as an integer. The MRI/HP IEEE spec does
|
||
describe a pmisc record which can be used for a pointer to
|
||
member. Unfortunately, it does not describe the target type,
|
||
which seems pretty important. I'm going to punt this for now. */
|
||
|
||
return ieee_int_type (p, 4, true);
|
||
}
|
||
|
||
/* Make a method type. */
|
||
|
||
static boolean
|
||
ieee_method_type (p, domain, argcount, varargs)
|
||
PTR p;
|
||
boolean domain;
|
||
int argcount;
|
||
boolean varargs;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
/* FIXME: The MRI/HP IEEE spec defines a pmisc record to use for a
|
||
method, but the definition is incomplete. We just output an 'x'
|
||
type. */
|
||
|
||
if (domain)
|
||
ieee_pop_unused_type (info);
|
||
|
||
return ieee_function_type (p, argcount, varargs);
|
||
}
|
||
|
||
/* Make a const qualified type. */
|
||
|
||
static boolean
|
||
ieee_const_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int size;
|
||
boolean unsignedp, localp;
|
||
unsigned int indx;
|
||
struct ieee_modified_type *m = NULL;
|
||
|
||
size = info->type_stack->type.size;
|
||
unsignedp = info->type_stack->type.unsignedp;
|
||
localp = info->type_stack->type.localp;
|
||
indx = ieee_pop_type (info);
|
||
|
||
if (! localp)
|
||
{
|
||
m = ieee_get_modified_info (info, indx);
|
||
if (m == NULL)
|
||
return false;
|
||
|
||
if (m->const_qualified > 0)
|
||
return ieee_push_type (info, m->const_qualified, size, unsignedp,
|
||
false);
|
||
}
|
||
|
||
if (! ieee_define_type (info, size, unsignedp, localp)
|
||
|| ! ieee_write_number (info, 'n')
|
||
|| ! ieee_write_number (info, 1)
|
||
|| ! ieee_write_number (info, indx))
|
||
return false;
|
||
|
||
if (! localp)
|
||
m->const_qualified = info->type_stack->type.indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Make a volatile qualified type. */
|
||
|
||
static boolean
|
||
ieee_volatile_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int size;
|
||
boolean unsignedp, localp;
|
||
unsigned int indx;
|
||
struct ieee_modified_type *m = NULL;
|
||
|
||
size = info->type_stack->type.size;
|
||
unsignedp = info->type_stack->type.unsignedp;
|
||
localp = info->type_stack->type.localp;
|
||
indx = ieee_pop_type (info);
|
||
|
||
if (! localp)
|
||
{
|
||
m = ieee_get_modified_info (info, indx);
|
||
if (m == NULL)
|
||
return false;
|
||
|
||
if (m->volatile_qualified > 0)
|
||
return ieee_push_type (info, m->volatile_qualified, size, unsignedp,
|
||
false);
|
||
}
|
||
|
||
if (! ieee_define_type (info, size, unsignedp, localp)
|
||
|| ! ieee_write_number (info, 'n')
|
||
|| ! ieee_write_number (info, 2)
|
||
|| ! ieee_write_number (info, indx))
|
||
return false;
|
||
|
||
if (! localp)
|
||
m->volatile_qualified = info->type_stack->type.indx;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Convert an enum debug_visibility into a CXXFLAGS value. */
|
||
|
||
static unsigned int
|
||
ieee_vis_to_flags (visibility)
|
||
enum debug_visibility visibility;
|
||
{
|
||
switch (visibility)
|
||
{
|
||
default:
|
||
abort ();
|
||
case DEBUG_VISIBILITY_PUBLIC:
|
||
return CXXFLAGS_VISIBILITY_PUBLIC;
|
||
case DEBUG_VISIBILITY_PRIVATE:
|
||
return CXXFLAGS_VISIBILITY_PRIVATE;
|
||
case DEBUG_VISIBILITY_PROTECTED:
|
||
return CXXFLAGS_VISIBILITY_PROTECTED;
|
||
}
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* Start defining a struct type. We build it in the strdef field on
|
||
the stack, to avoid confusing type definitions required by the
|
||
fields with the struct type itself. */
|
||
|
||
static boolean
|
||
ieee_start_struct_type (p, tag, id, structp, size)
|
||
PTR p;
|
||
const char *tag;
|
||
unsigned int id;
|
||
boolean structp;
|
||
unsigned int size;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean localp, ignorep;
|
||
boolean copy;
|
||
char ab[20];
|
||
const char *look;
|
||
struct ieee_name_type_hash_entry *h;
|
||
struct ieee_name_type *nt, *ntlook;
|
||
struct ieee_buflist strdef;
|
||
|
||
localp = false;
|
||
ignorep = false;
|
||
|
||
/* We need to create a tag for internal use even if we don't want
|
||
one for external use. This will let us refer to an anonymous
|
||
struct. */
|
||
if (tag != NULL)
|
||
{
|
||
look = tag;
|
||
copy = false;
|
||
}
|
||
else
|
||
{
|
||
sprintf (ab, "__anon%u", id);
|
||
look = ab;
|
||
copy = true;
|
||
}
|
||
|
||
/* If we already have references to the tag, we must use the
|
||
existing type index. */
|
||
h = ieee_name_type_hash_lookup (&info->tags, look, true, copy);
|
||
if (h == NULL)
|
||
return false;
|
||
|
||
nt = NULL;
|
||
for (ntlook = h->types; ntlook != NULL; ntlook = ntlook->next)
|
||
{
|
||
if (ntlook->id == id)
|
||
nt = ntlook;
|
||
else if (! ntlook->type.localp)
|
||
{
|
||
/* We are creating a duplicate definition of a globally
|
||
defined tag. Force it to be local to avoid
|
||
confusion. */
|
||
localp = true;
|
||
}
|
||
}
|
||
|
||
if (nt != NULL)
|
||
{
|
||
assert (localp == nt->type.localp);
|
||
if (nt->kind == DEBUG_KIND_ILLEGAL && ! localp)
|
||
{
|
||
/* We've already seen a global definition of the type.
|
||
Ignore this new definition. */
|
||
ignorep = true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
nt = (struct ieee_name_type *) xmalloc (sizeof *nt);
|
||
memset (nt, 0, sizeof *nt);
|
||
nt->id = id;
|
||
nt->type.name = h->root.string;
|
||
nt->next = h->types;
|
||
h->types = nt;
|
||
nt->type.indx = info->type_indx;
|
||
++info->type_indx;
|
||
}
|
||
|
||
nt->kind = DEBUG_KIND_ILLEGAL;
|
||
|
||
if (! ieee_init_buffer (info, &strdef)
|
||
|| ! ieee_define_named_type (info, tag, nt->type.indx, size, true,
|
||
localp, &strdef)
|
||
|| ! ieee_write_number (info, structp ? 'S' : 'U')
|
||
|| ! ieee_write_number (info, size))
|
||
return false;
|
||
|
||
if (! ignorep)
|
||
{
|
||
const char *hold;
|
||
|
||
/* We never want nt->type.name to be NULL. We want the rest of
|
||
the type to be the object set up on the type stack; it will
|
||
have a NULL name if tag is NULL. */
|
||
hold = nt->type.name;
|
||
nt->type = info->type_stack->type;
|
||
nt->type.name = hold;
|
||
}
|
||
|
||
info->type_stack->type.name = tag;
|
||
info->type_stack->type.strdef = strdef;
|
||
info->type_stack->type.ignorep = ignorep;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Add a field to a struct. */
|
||
|
||
static boolean
|
||
ieee_struct_field (p, name, bitpos, bitsize, visibility)
|
||
PTR p;
|
||
const char *name;
|
||
bfd_vma bitpos;
|
||
bfd_vma bitsize;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int size;
|
||
boolean unsignedp;
|
||
boolean referencep;
|
||
boolean localp;
|
||
unsigned int indx;
|
||
bfd_vma offset;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->next != NULL
|
||
&& ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef));
|
||
|
||
/* If we are ignoring this struct definition, just pop and ignore
|
||
the type. */
|
||
if (info->type_stack->next->type.ignorep)
|
||
{
|
||
ieee_pop_unused_type (info);
|
||
return true;
|
||
}
|
||
|
||
size = info->type_stack->type.size;
|
||
unsignedp = info->type_stack->type.unsignedp;
|
||
referencep = info->type_stack->type.referencep;
|
||
localp = info->type_stack->type.localp;
|
||
indx = ieee_pop_type (info);
|
||
|
||
if (localp)
|
||
info->type_stack->type.localp = true;
|
||
|
||
if (info->type_stack->type.classdef != NULL)
|
||
{
|
||
unsigned int flags;
|
||
unsigned int nindx;
|
||
|
||
/* This is a class. We must add a description of this field to
|
||
the class records we are building. */
|
||
|
||
flags = ieee_vis_to_flags (visibility);
|
||
nindx = info->type_stack->type.classdef->indx;
|
||
if (! ieee_change_buffer (info,
|
||
&info->type_stack->type.classdef->pmiscbuf)
|
||
|| ! ieee_write_asn (info, nindx, 'd')
|
||
|| ! ieee_write_asn (info, nindx, flags)
|
||
|| ! ieee_write_atn65 (info, nindx, name)
|
||
|| ! ieee_write_atn65 (info, nindx, name))
|
||
return false;
|
||
info->type_stack->type.classdef->pmisccount += 4;
|
||
|
||
if (referencep)
|
||
{
|
||
unsigned int nindx;
|
||
|
||
/* We need to output a record recording that this field is
|
||
really of reference type. We put this on the refs field
|
||
of classdef, so that it can be appended to the C++
|
||
records after the class is defined. */
|
||
|
||
nindx = info->name_indx;
|
||
++info->name_indx;
|
||
|
||
if (! ieee_change_buffer (info,
|
||
&info->type_stack->type.classdef->refs)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 62)
|
||
|| ! ieee_write_number (info, 80)
|
||
|| ! ieee_write_number (info, 4)
|
||
|| ! ieee_write_asn (info, nindx, 'R')
|
||
|| ! ieee_write_asn (info, nindx, 3)
|
||
|| ! ieee_write_atn65 (info, nindx, info->type_stack->type.name)
|
||
|| ! ieee_write_atn65 (info, nindx, name))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/* If the bitsize doesn't match the expected size, we need to output
|
||
a bitfield type. */
|
||
if (size == 0 || bitsize == 0 || bitsize == size * 8)
|
||
offset = bitpos / 8;
|
||
else
|
||
{
|
||
if (! ieee_define_type (info, 0, unsignedp,
|
||
info->type_stack->type.localp)
|
||
|| ! ieee_write_number (info, 'g')
|
||
|| ! ieee_write_number (info, unsignedp ? 0 : 1)
|
||
|| ! ieee_write_number (info, bitsize)
|
||
|| ! ieee_write_number (info, indx))
|
||
return false;
|
||
indx = ieee_pop_type (info);
|
||
offset = bitpos;
|
||
}
|
||
|
||
/* Switch to the struct we are building in order to output this
|
||
field definition. */
|
||
return (ieee_change_buffer (info, &info->type_stack->type.strdef)
|
||
&& ieee_write_id (info, name)
|
||
&& ieee_write_number (info, indx)
|
||
&& ieee_write_number (info, offset));
|
||
}
|
||
|
||
/* Finish up a struct type. */
|
||
|
||
static boolean
|
||
ieee_end_struct_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_buflist *pb;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& ! ieee_buffer_emptyp (&info->type_stack->type.strdef));
|
||
|
||
/* If we were ignoring this struct definition because it was a
|
||
duplicate defintion, just through away whatever bytes we have
|
||
accumulated. Leave the type on the stack. */
|
||
if (info->type_stack->type.ignorep)
|
||
return true;
|
||
|
||
/* If this is not a duplicate definition of this tag, then localp
|
||
will be false, and we can put it in the global type block.
|
||
FIXME: We should avoid outputting duplicate definitions which are
|
||
the same. */
|
||
if (! info->type_stack->type.localp)
|
||
{
|
||
/* Make sure we have started the global type block. */
|
||
if (ieee_buffer_emptyp (&info->global_types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->global_types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 2)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
}
|
||
pb = &info->global_types;
|
||
}
|
||
else
|
||
{
|
||
/* Make sure we have started the types block. */
|
||
if (ieee_buffer_emptyp (&info->types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 1)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
}
|
||
pb = &info->types;
|
||
}
|
||
|
||
/* Append the struct definition to the types. */
|
||
if (! ieee_append_buffer (info, pb, &info->type_stack->type.strdef)
|
||
|| ! ieee_init_buffer (info, &info->type_stack->type.strdef))
|
||
return false;
|
||
|
||
/* Leave the struct on the type stack. */
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start a class type. */
|
||
|
||
static boolean
|
||
ieee_start_class_type (p, tag, id, structp, size, vptr, ownvptr)
|
||
PTR p;
|
||
const char *tag;
|
||
unsigned int id;
|
||
boolean structp;
|
||
unsigned int size;
|
||
boolean vptr;
|
||
boolean ownvptr;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
const char *vclass;
|
||
struct ieee_buflist pmiscbuf;
|
||
unsigned int indx;
|
||
struct ieee_type_class *classdef;
|
||
|
||
/* A C++ class is output as a C++ struct along with a set of pmisc
|
||
records describing the class. */
|
||
|
||
/* We need to have a name so that we can associate the struct and
|
||
the class. */
|
||
if (tag == NULL)
|
||
{
|
||
char *t;
|
||
|
||
t = (char *) xmalloc (20);
|
||
sprintf (t, "__anon%u", id);
|
||
tag = t;
|
||
}
|
||
|
||
/* We can't write out the virtual table information until we have
|
||
finished the class, because we don't know the virtual table size.
|
||
We get the size from the largest voffset we see. */
|
||
vclass = NULL;
|
||
if (vptr && ! ownvptr)
|
||
{
|
||
vclass = info->type_stack->type.name;
|
||
assert (vclass != NULL);
|
||
/* We don't call ieee_pop_unused_type, since the class should
|
||
get defined. */
|
||
(void) ieee_pop_type (info);
|
||
}
|
||
|
||
if (! ieee_start_struct_type (p, tag, id, structp, size))
|
||
return false;
|
||
|
||
indx = info->name_indx;
|
||
++info->name_indx;
|
||
|
||
/* We write out pmisc records into the classdef field. We will
|
||
write out the pmisc start after we know the number of records we
|
||
need. */
|
||
if (! ieee_init_buffer (info, &pmiscbuf)
|
||
|| ! ieee_change_buffer (info, &pmiscbuf)
|
||
|| ! ieee_write_asn (info, indx, 'T')
|
||
|| ! ieee_write_asn (info, indx, structp ? 'o' : 'u')
|
||
|| ! ieee_write_atn65 (info, indx, tag))
|
||
return false;
|
||
|
||
classdef = (struct ieee_type_class *) xmalloc (sizeof *classdef);
|
||
memset (classdef, 0, sizeof *classdef);
|
||
|
||
classdef->indx = indx;
|
||
classdef->pmiscbuf = pmiscbuf;
|
||
classdef->pmisccount = 3;
|
||
classdef->vclass = vclass;
|
||
classdef->ownvptr = ownvptr;
|
||
|
||
info->type_stack->type.classdef = classdef;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Add a static member to a class. */
|
||
|
||
static boolean
|
||
ieee_class_static_member (p, name, physname, visibility)
|
||
PTR p;
|
||
const char *name;
|
||
const char *physname;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int flags;
|
||
unsigned int nindx;
|
||
|
||
/* We don't care about the type. Hopefully there will be a call to
|
||
ieee_variable declaring the physical name and the type, since
|
||
that is where an IEEE consumer must get the type. */
|
||
ieee_pop_unused_type (info);
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.classdef != NULL);
|
||
|
||
flags = ieee_vis_to_flags (visibility);
|
||
flags |= CXXFLAGS_STATIC;
|
||
|
||
nindx = info->type_stack->type.classdef->indx;
|
||
|
||
if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf)
|
||
|| ! ieee_write_asn (info, nindx, 'd')
|
||
|| ! ieee_write_asn (info, nindx, flags)
|
||
|| ! ieee_write_atn65 (info, nindx, name)
|
||
|| ! ieee_write_atn65 (info, nindx, physname))
|
||
return false;
|
||
info->type_stack->type.classdef->pmisccount += 4;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Add a base class to a class. */
|
||
|
||
static boolean
|
||
ieee_class_baseclass (p, bitpos, virtual, visibility)
|
||
PTR p;
|
||
bfd_vma bitpos;
|
||
boolean virtual;
|
||
enum debug_visibility visibility;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
const char *bname;
|
||
boolean localp;
|
||
unsigned int bindx;
|
||
char *fname;
|
||
unsigned int flags;
|
||
unsigned int nindx;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.name != NULL
|
||
&& info->type_stack->next != NULL
|
||
&& info->type_stack->next->type.classdef != NULL
|
||
&& ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef));
|
||
|
||
bname = info->type_stack->type.name;
|
||
localp = info->type_stack->type.localp;
|
||
bindx = ieee_pop_type (info);
|
||
|
||
/* We are currently defining both a struct and a class. We must
|
||
write out a field definition in the struct which holds the base
|
||
class. The stabs debugging reader will create a field named
|
||
_vb$CLASS for a virtual base class, so we just use that. FIXME:
|
||
we should not depend upon a detail of stabs debugging. */
|
||
if (virtual)
|
||
{
|
||
fname = (char *) xmalloc (strlen (bname) + sizeof "_vb$");
|
||
sprintf (fname, "_vb$%s", bname);
|
||
flags = BASEFLAGS_VIRTUAL;
|
||
}
|
||
else
|
||
{
|
||
if (localp)
|
||
info->type_stack->type.localp = true;
|
||
|
||
fname = (char *) xmalloc (strlen (bname) + sizeof "_b$");
|
||
sprintf (fname, "_b$%s", bname);
|
||
|
||
if (! ieee_change_buffer (info, &info->type_stack->type.strdef)
|
||
|| ! ieee_write_id (info, fname)
|
||
|| ! ieee_write_number (info, bindx)
|
||
|| ! ieee_write_number (info, bitpos / 8))
|
||
return false;
|
||
flags = 0;
|
||
}
|
||
|
||
if (visibility == DEBUG_VISIBILITY_PRIVATE)
|
||
flags |= BASEFLAGS_PRIVATE;
|
||
|
||
nindx = info->type_stack->type.classdef->indx;
|
||
|
||
if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf)
|
||
|| ! ieee_write_asn (info, nindx, 'b')
|
||
|| ! ieee_write_asn (info, nindx, flags)
|
||
|| ! ieee_write_atn65 (info, nindx, bname)
|
||
|| ! ieee_write_asn (info, nindx, 0)
|
||
|| ! ieee_write_atn65 (info, nindx, fname))
|
||
return false;
|
||
info->type_stack->type.classdef->pmisccount += 5;
|
||
|
||
free (fname);
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start building a method for a class. */
|
||
|
||
static boolean
|
||
ieee_class_start_method (p, name)
|
||
PTR p;
|
||
const char *name;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.classdef != NULL
|
||
&& info->type_stack->type.classdef->method == NULL);
|
||
|
||
info->type_stack->type.classdef->method = name;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Define a new method variant, either static or not. */
|
||
|
||
static boolean
|
||
ieee_class_method_var (info, physname, visibility, staticp, constp,
|
||
volatilep, voffset, context)
|
||
struct ieee_handle *info;
|
||
const char *physname;
|
||
enum debug_visibility visibility;
|
||
boolean staticp;
|
||
boolean constp;
|
||
boolean volatilep;
|
||
bfd_vma voffset;
|
||
boolean context;
|
||
{
|
||
unsigned int flags;
|
||
unsigned int nindx;
|
||
boolean virtual;
|
||
|
||
/* We don't need the type of the method. An IEEE consumer which
|
||
wants the type must track down the function by the physical name
|
||
and get the type from that. */
|
||
ieee_pop_unused_type (info);
|
||
|
||
/* We don't use the context. FIXME: We probably ought to use it to
|
||
adjust the voffset somehow, but I don't really know how. */
|
||
if (context)
|
||
ieee_pop_unused_type (info);
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.classdef != NULL
|
||
&& info->type_stack->type.classdef->method != NULL);
|
||
|
||
flags = ieee_vis_to_flags (visibility);
|
||
|
||
/* FIXME: We never set CXXFLAGS_OVERRIDE, CXXFLAGS_OPERATOR,
|
||
CXXFLAGS_CTORDTOR, CXXFLAGS_CTOR, or CXXFLAGS_INLINE. */
|
||
|
||
if (staticp)
|
||
flags |= CXXFLAGS_STATIC;
|
||
if (constp)
|
||
flags |= CXXFLAGS_CONST;
|
||
if (volatilep)
|
||
flags |= CXXFLAGS_VOLATILE;
|
||
|
||
nindx = info->type_stack->type.classdef->indx;
|
||
|
||
virtual = context || voffset > 0;
|
||
|
||
if (! ieee_change_buffer (info,
|
||
&info->type_stack->type.classdef->pmiscbuf)
|
||
|| ! ieee_write_asn (info, nindx, virtual ? 'v' : 'm')
|
||
|| ! ieee_write_asn (info, nindx, flags)
|
||
|| ! ieee_write_atn65 (info, nindx,
|
||
info->type_stack->type.classdef->method)
|
||
|| ! ieee_write_atn65 (info, nindx, physname))
|
||
return false;
|
||
|
||
if (virtual)
|
||
{
|
||
if (voffset > info->type_stack->type.classdef->voffset)
|
||
info->type_stack->type.classdef->voffset = voffset;
|
||
if (! ieee_write_asn (info, nindx, voffset))
|
||
return false;
|
||
++info->type_stack->type.classdef->pmisccount;
|
||
}
|
||
|
||
if (! ieee_write_asn (info, nindx, 0))
|
||
return false;
|
||
|
||
info->type_stack->type.classdef->pmisccount += 5;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Define a new method variant. */
|
||
|
||
static boolean
|
||
ieee_class_method_variant (p, physname, visibility, constp, volatilep,
|
||
voffset, context)
|
||
PTR p;
|
||
const char *physname;
|
||
enum debug_visibility visibility;
|
||
boolean constp;
|
||
boolean volatilep;
|
||
bfd_vma voffset;
|
||
boolean context;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
return ieee_class_method_var (info, physname, visibility, false, constp,
|
||
volatilep, voffset, context);
|
||
}
|
||
|
||
/* Define a new static method variant. */
|
||
|
||
static boolean
|
||
ieee_class_static_method_variant (p, physname, visibility, constp, volatilep)
|
||
PTR p;
|
||
const char *physname;
|
||
enum debug_visibility visibility;
|
||
boolean constp;
|
||
boolean volatilep;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
return ieee_class_method_var (info, physname, visibility, true, constp,
|
||
volatilep, 0, false);
|
||
}
|
||
|
||
/* Finish up a method. */
|
||
|
||
static boolean
|
||
ieee_class_end_method (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.classdef != NULL
|
||
&& info->type_stack->type.classdef->method != NULL);
|
||
|
||
info->type_stack->type.classdef->method = NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Finish up a class. */
|
||
|
||
static boolean
|
||
ieee_end_class_type (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int nindx;
|
||
|
||
assert (info->type_stack != NULL
|
||
&& info->type_stack->type.classdef != NULL);
|
||
|
||
/* If we were ignoring this class definition because it was a
|
||
duplicate definition, just through away whatever bytes we have
|
||
accumulated. Leave the type on the stack. */
|
||
if (info->type_stack->type.ignorep)
|
||
return true;
|
||
|
||
nindx = info->type_stack->type.classdef->indx;
|
||
|
||
/* If we have a virtual table, we can write out the information now. */
|
||
if (info->type_stack->type.classdef->vclass != NULL
|
||
|| info->type_stack->type.classdef->ownvptr)
|
||
{
|
||
if (! ieee_change_buffer (info,
|
||
&info->type_stack->type.classdef->pmiscbuf)
|
||
|| ! ieee_write_asn (info, nindx, 'z')
|
||
|| ! ieee_write_atn65 (info, nindx, "")
|
||
|| ! ieee_write_asn (info, nindx,
|
||
info->type_stack->type.classdef->voffset))
|
||
return false;
|
||
if (info->type_stack->type.classdef->ownvptr)
|
||
{
|
||
if (! ieee_write_atn65 (info, nindx, ""))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_write_atn65 (info, nindx,
|
||
info->type_stack->type.classdef->vclass))
|
||
return false;
|
||
}
|
||
if (! ieee_write_asn (info, nindx, 0))
|
||
return false;
|
||
info->type_stack->type.classdef->pmisccount += 5;
|
||
}
|
||
|
||
/* Now that we know the number of pmisc records, we can write out
|
||
the atn62 which starts the pmisc records, and append them to the
|
||
C++ buffers. */
|
||
|
||
if (! ieee_change_buffer (info, &info->cxx)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 62)
|
||
|| ! ieee_write_number (info, 80)
|
||
|| ! ieee_write_number (info,
|
||
info->type_stack->type.classdef->pmisccount))
|
||
return false;
|
||
|
||
if (! ieee_append_buffer (info, &info->cxx,
|
||
&info->type_stack->type.classdef->pmiscbuf))
|
||
return false;
|
||
if (! ieee_buffer_emptyp (&info->type_stack->type.classdef->refs))
|
||
{
|
||
if (! ieee_append_buffer (info, &info->cxx,
|
||
&info->type_stack->type.classdef->refs))
|
||
return false;
|
||
}
|
||
|
||
return ieee_end_struct_type (p);
|
||
}
|
||
|
||
/* Push a previously seen typedef onto the type stack. */
|
||
|
||
static boolean
|
||
ieee_typedef_type (p, name)
|
||
PTR p;
|
||
const char *name;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_name_type_hash_entry *h;
|
||
struct ieee_name_type *nt;
|
||
|
||
h = ieee_name_type_hash_lookup (&info->typedefs, name, false, false);
|
||
|
||
/* h should never be NULL, since that would imply that the generic
|
||
debugging code has asked for a typedef which it has not yet
|
||
defined. */
|
||
assert (h != NULL);
|
||
|
||
/* We always use the most recently defined type for this name, which
|
||
will be the first one on the list. */
|
||
|
||
nt = h->types;
|
||
if (! ieee_push_type (info, nt->type.indx, nt->type.size,
|
||
nt->type.unsignedp, nt->type.localp))
|
||
return false;
|
||
|
||
/* Copy over any other type information we may have. */
|
||
info->type_stack->type = nt->type;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Push a tagged type onto the type stack. */
|
||
|
||
static boolean
|
||
ieee_tag_type (p, name, id, kind)
|
||
PTR p;
|
||
const char *name;
|
||
unsigned int id;
|
||
enum debug_type_kind kind;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean localp;
|
||
boolean copy;
|
||
char ab[20];
|
||
struct ieee_name_type_hash_entry *h;
|
||
struct ieee_name_type *nt;
|
||
|
||
if (kind == DEBUG_KIND_ENUM)
|
||
{
|
||
struct ieee_defined_enum *e;
|
||
|
||
if (name == NULL)
|
||
abort ();
|
||
for (e = info->enums; e != NULL; e = e->next)
|
||
if (e->tag != NULL && strcmp (e->tag, name) == 0)
|
||
return ieee_push_type (info, e->indx, 0, true, false);
|
||
|
||
e = (struct ieee_defined_enum *) xmalloc (sizeof *e);
|
||
memset (e, 0, sizeof *e);
|
||
|
||
e->indx = info->type_indx;
|
||
++info->type_indx;
|
||
e->tag = name;
|
||
e->defined = false;
|
||
|
||
e->next = info->enums;
|
||
info->enums = e;
|
||
|
||
return ieee_push_type (info, e->indx, 0, true, false);
|
||
}
|
||
|
||
localp = false;
|
||
|
||
copy = false;
|
||
if (name == NULL)
|
||
{
|
||
sprintf (ab, "__anon%u", id);
|
||
name = ab;
|
||
copy = true;
|
||
}
|
||
|
||
h = ieee_name_type_hash_lookup (&info->tags, name, true, copy);
|
||
if (h == NULL)
|
||
return false;
|
||
|
||
for (nt = h->types; nt != NULL; nt = nt->next)
|
||
{
|
||
if (nt->id == id)
|
||
{
|
||
if (! ieee_push_type (info, nt->type.indx, nt->type.size,
|
||
nt->type.unsignedp, nt->type.localp))
|
||
return false;
|
||
/* Copy over any other type information we may have. */
|
||
info->type_stack->type = nt->type;
|
||
return true;
|
||
}
|
||
|
||
if (! nt->type.localp)
|
||
{
|
||
/* This is a duplicate of a global type, so it must be
|
||
local. */
|
||
localp = true;
|
||
}
|
||
}
|
||
|
||
nt = (struct ieee_name_type *) xmalloc (sizeof *nt);
|
||
memset (nt, 0, sizeof *nt);
|
||
|
||
nt->id = id;
|
||
nt->type.name = h->root.string;
|
||
nt->type.indx = info->type_indx;
|
||
nt->type.localp = localp;
|
||
++info->type_indx;
|
||
nt->kind = kind;
|
||
|
||
nt->next = h->types;
|
||
h->types = nt;
|
||
|
||
if (! ieee_push_type (info, nt->type.indx, 0, false, localp))
|
||
return false;
|
||
|
||
info->type_stack->type.name = h->root.string;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Output a typedef. */
|
||
|
||
static boolean
|
||
ieee_typdef (p, name)
|
||
PTR p;
|
||
const char *name;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_write_type type;
|
||
unsigned int indx;
|
||
boolean found;
|
||
boolean localp;
|
||
struct ieee_name_type_hash_entry *h;
|
||
struct ieee_name_type *nt;
|
||
|
||
type = info->type_stack->type;
|
||
indx = type.indx;
|
||
|
||
/* If this is a simple builtin type using a builtin name, we don't
|
||
want to output the typedef itself. We also want to change the
|
||
type index to correspond to the name being used. We recognize
|
||
names used in stabs debugging output even if they don't exactly
|
||
correspond to the names used for the IEEE builtin types. */
|
||
found = false;
|
||
if (indx <= (unsigned int) builtin_bcd_float)
|
||
{
|
||
switch ((enum builtin_types) indx)
|
||
{
|
||
default:
|
||
break;
|
||
|
||
case builtin_void:
|
||
if (strcmp (name, "void") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_signed_char:
|
||
case builtin_char:
|
||
if (strcmp (name, "signed char") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_signed_char;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "char") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_char;
|
||
found = true;
|
||
}
|
||
break;
|
||
|
||
case builtin_unsigned_char:
|
||
if (strcmp (name, "unsigned char") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_signed_short_int:
|
||
case builtin_short:
|
||
case builtin_short_int:
|
||
case builtin_signed_short:
|
||
if (strcmp (name, "signed short int") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_signed_short_int;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "short") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_short;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "short int") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_short_int;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "signed short") == 0)
|
||
{
|
||
indx = (unsigned int) builtin_signed_short;
|
||
found = true;
|
||
}
|
||
break;
|
||
|
||
case builtin_unsigned_short_int:
|
||
case builtin_unsigned_short:
|
||
if (strcmp (name, "unsigned short int") == 0
|
||
|| strcmp (name, "short unsigned int") == 0)
|
||
{
|
||
indx = builtin_unsigned_short_int;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "unsigned short") == 0)
|
||
{
|
||
indx = builtin_unsigned_short;
|
||
found = true;
|
||
}
|
||
break;
|
||
|
||
case builtin_signed_long:
|
||
case builtin_int: /* FIXME: Size depends upon architecture. */
|
||
case builtin_long:
|
||
if (strcmp (name, "signed long") == 0)
|
||
{
|
||
indx = builtin_signed_long;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "int") == 0)
|
||
{
|
||
indx = builtin_int;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "long") == 0
|
||
|| strcmp (name, "long int") == 0)
|
||
{
|
||
indx = builtin_long;
|
||
found = true;
|
||
}
|
||
break;
|
||
|
||
case builtin_unsigned_long:
|
||
case builtin_unsigned: /* FIXME: Size depends upon architecture. */
|
||
case builtin_unsigned_int: /* FIXME: Like builtin_unsigned. */
|
||
if (strcmp (name, "unsigned long") == 0
|
||
|| strcmp (name, "long unsigned int") == 0)
|
||
{
|
||
indx = builtin_unsigned_long;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "unsigned") == 0)
|
||
{
|
||
indx = builtin_unsigned;
|
||
found = true;
|
||
}
|
||
else if (strcmp (name, "unsigned int") == 0)
|
||
{
|
||
indx = builtin_unsigned_int;
|
||
found = true;
|
||
}
|
||
break;
|
||
|
||
case builtin_signed_long_long:
|
||
if (strcmp (name, "signed long long") == 0
|
||
|| strcmp (name, "long long int") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_unsigned_long_long:
|
||
if (strcmp (name, "unsigned long long") == 0
|
||
|| strcmp (name, "long long unsigned int") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_float:
|
||
if (strcmp (name, "float") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_double:
|
||
if (strcmp (name, "double") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_long_double:
|
||
if (strcmp (name, "long double") == 0)
|
||
found = true;
|
||
break;
|
||
|
||
case builtin_long_long_double:
|
||
if (strcmp (name, "long long double") == 0)
|
||
found = true;
|
||
break;
|
||
}
|
||
|
||
if (found)
|
||
type.indx = indx;
|
||
}
|
||
|
||
h = ieee_name_type_hash_lookup (&info->typedefs, name, true, false);
|
||
if (h == NULL)
|
||
return false;
|
||
|
||
/* See if we have already defined this type with this name. */
|
||
localp = type.localp;
|
||
for (nt = h->types; nt != NULL; nt = nt->next)
|
||
{
|
||
if (nt->id == indx)
|
||
{
|
||
/* If this is a global definition, then we don't need to
|
||
do anything here. */
|
||
if (! nt->type.localp)
|
||
{
|
||
ieee_pop_unused_type (info);
|
||
return true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* This is a duplicate definition, so make this one local. */
|
||
localp = true;
|
||
}
|
||
}
|
||
|
||
/* We need to add a new typedef for this type. */
|
||
|
||
nt = (struct ieee_name_type *) xmalloc (sizeof *nt);
|
||
memset (nt, 0, sizeof *nt);
|
||
nt->id = indx;
|
||
nt->type = type;
|
||
nt->type.name = name;
|
||
nt->type.localp = localp;
|
||
nt->kind = DEBUG_KIND_ILLEGAL;
|
||
|
||
nt->next = h->types;
|
||
h->types = nt;
|
||
|
||
if (found)
|
||
{
|
||
/* This is one of the builtin typedefs, so we don't need to
|
||
actually define it. */
|
||
ieee_pop_unused_type (info);
|
||
return true;
|
||
}
|
||
|
||
indx = ieee_pop_type (info);
|
||
|
||
if (! ieee_define_named_type (info, name, (unsigned int) -1, type.size,
|
||
type.unsignedp, localp,
|
||
(struct ieee_buflist *) NULL)
|
||
|| ! ieee_write_number (info, 'T')
|
||
|| ! ieee_write_number (info, indx))
|
||
return false;
|
||
|
||
/* Remove the type we just added to the type stack. This should not
|
||
be ieee_pop_unused_type, since the type is used, we just don't
|
||
need it now. */
|
||
(void) ieee_pop_type (info);
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Output a tag for a type. We don't have to do anything here. */
|
||
|
||
static boolean
|
||
ieee_tag (p, name)
|
||
PTR p;
|
||
const char *name ATTRIBUTE_UNUSED;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
/* This should not be ieee_pop_unused_type, since we want the type
|
||
to be defined. */
|
||
(void) ieee_pop_type (info);
|
||
return true;
|
||
}
|
||
|
||
/* Output an integer constant. */
|
||
|
||
static boolean
|
||
ieee_int_constant (p, name, val)
|
||
PTR p ATTRIBUTE_UNUSED;
|
||
const char *name ATTRIBUTE_UNUSED;
|
||
bfd_vma val ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
return true;
|
||
}
|
||
|
||
/* Output a floating point constant. */
|
||
|
||
static boolean
|
||
ieee_float_constant (p, name, val)
|
||
PTR p ATTRIBUTE_UNUSED;
|
||
const char *name ATTRIBUTE_UNUSED;
|
||
double val ATTRIBUTE_UNUSED;
|
||
{
|
||
/* FIXME. */
|
||
return true;
|
||
}
|
||
|
||
/* Output a typed constant. */
|
||
|
||
static boolean
|
||
ieee_typed_constant (p, name, val)
|
||
PTR p;
|
||
const char *name ATTRIBUTE_UNUSED;
|
||
bfd_vma val ATTRIBUTE_UNUSED;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
/* FIXME. */
|
||
ieee_pop_unused_type (info);
|
||
return true;
|
||
}
|
||
|
||
/* Output a variable. */
|
||
|
||
static boolean
|
||
ieee_variable (p, name, kind, val)
|
||
PTR p;
|
||
const char *name;
|
||
enum debug_var_kind kind;
|
||
bfd_vma val;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
unsigned int name_indx;
|
||
unsigned int size;
|
||
boolean referencep;
|
||
unsigned int type_indx;
|
||
boolean asn;
|
||
int refflag;
|
||
|
||
size = info->type_stack->type.size;
|
||
referencep = info->type_stack->type.referencep;
|
||
type_indx = ieee_pop_type (info);
|
||
|
||
assert (! ieee_buffer_emptyp (&info->vars));
|
||
if (! ieee_change_buffer (info, &info->vars))
|
||
return false;
|
||
|
||
name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
|
||
/* Write out an NN and an ATN record for this variable. */
|
||
if (! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, name_indx)
|
||
|| ! ieee_write_id (info, name)
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, name_indx)
|
||
|| ! ieee_write_number (info, type_indx))
|
||
return false;
|
||
switch (kind)
|
||
{
|
||
default:
|
||
abort ();
|
||
return false;
|
||
case DEBUG_GLOBAL:
|
||
if (! ieee_write_number (info, 8)
|
||
|| ! ieee_add_range (info, false, val, val + size))
|
||
return false;
|
||
refflag = 0;
|
||
asn = true;
|
||
break;
|
||
case DEBUG_STATIC:
|
||
if (! ieee_write_number (info, 3)
|
||
|| ! ieee_add_range (info, false, val, val + size))
|
||
return false;
|
||
refflag = 1;
|
||
asn = true;
|
||
break;
|
||
case DEBUG_LOCAL_STATIC:
|
||
if (! ieee_write_number (info, 3)
|
||
|| ! ieee_add_range (info, false, val, val + size))
|
||
return false;
|
||
refflag = 2;
|
||
asn = true;
|
||
break;
|
||
case DEBUG_LOCAL:
|
||
if (! ieee_write_number (info, 1)
|
||
|| ! ieee_write_number (info, val))
|
||
return false;
|
||
refflag = 2;
|
||
asn = false;
|
||
break;
|
||
case DEBUG_REGISTER:
|
||
if (! ieee_write_number (info, 2)
|
||
|| ! ieee_write_number (info,
|
||
ieee_genreg_to_regno (info->abfd, val)))
|
||
return false;
|
||
refflag = 2;
|
||
asn = false;
|
||
break;
|
||
}
|
||
|
||
if (asn)
|
||
{
|
||
if (! ieee_write_asn (info, name_indx, val))
|
||
return false;
|
||
}
|
||
|
||
/* If this is really a reference type, then we just output it with
|
||
pointer type, and must now output a C++ record indicating that it
|
||
is really reference type. */
|
||
if (referencep)
|
||
{
|
||
unsigned int nindx;
|
||
|
||
nindx = info->name_indx;
|
||
++info->name_indx;
|
||
|
||
/* If this is a global variable, we want to output the misc
|
||
record in the C++ misc record block. Otherwise, we want to
|
||
output it just after the variable definition, which is where
|
||
the current buffer is. */
|
||
if (refflag != 2)
|
||
{
|
||
if (! ieee_change_buffer (info, &info->cxx))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 62)
|
||
|| ! ieee_write_number (info, 80)
|
||
|| ! ieee_write_number (info, 3)
|
||
|| ! ieee_write_asn (info, nindx, 'R')
|
||
|| ! ieee_write_asn (info, nindx, refflag)
|
||
|| ! ieee_write_atn65 (info, nindx, name))
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start outputting information for a function. */
|
||
|
||
static boolean
|
||
ieee_start_function (p, name, global)
|
||
PTR p;
|
||
const char *name;
|
||
boolean global;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
boolean referencep;
|
||
unsigned int retindx, typeindx;
|
||
|
||
referencep = info->type_stack->type.referencep;
|
||
retindx = ieee_pop_type (info);
|
||
|
||
/* Besides recording a BB4 or BB6 block, we record the type of the
|
||
function in the BB1 typedef block. We can't write out the full
|
||
type until we have seen all the parameters, so we accumulate it
|
||
in info->fntype and info->fnargs. */
|
||
if (! ieee_buffer_emptyp (&info->fntype))
|
||
{
|
||
/* FIXME: This might happen someday if we support nested
|
||
functions. */
|
||
abort ();
|
||
}
|
||
|
||
info->fnname = name;
|
||
|
||
/* An attribute of 0x40 means that the push mask is unknown. */
|
||
if (! ieee_define_named_type (info, name, (unsigned int) -1, 0, false, true,
|
||
&info->fntype)
|
||
|| ! ieee_write_number (info, 'x')
|
||
|| ! ieee_write_number (info, 0x40)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, retindx))
|
||
return false;
|
||
|
||
typeindx = ieee_pop_type (info);
|
||
|
||
if (! ieee_init_buffer (info, &info->fnargs))
|
||
return false;
|
||
info->fnargcount = 0;
|
||
|
||
/* If the function return value is actually a reference type, we
|
||
must add a record indicating that. */
|
||
if (referencep)
|
||
{
|
||
unsigned int nindx;
|
||
|
||
nindx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_change_buffer (info, &info->cxx)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 62)
|
||
|| ! ieee_write_number (info, 80)
|
||
|| ! ieee_write_number (info, 3)
|
||
|| ! ieee_write_asn (info, nindx, 'R')
|
||
|| ! ieee_write_asn (info, nindx, global ? 0 : 1)
|
||
|| ! ieee_write_atn65 (info, nindx, name))
|
||
return false;
|
||
}
|
||
|
||
assert (! ieee_buffer_emptyp (&info->vars));
|
||
if (! ieee_change_buffer (info, &info->vars))
|
||
return false;
|
||
|
||
/* The address is written out as the first block. */
|
||
|
||
++info->block_depth;
|
||
|
||
return (ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
&& ieee_write_byte (info, global ? 4 : 6)
|
||
&& ieee_write_number (info, 0)
|
||
&& ieee_write_id (info, name)
|
||
&& ieee_write_number (info, 0)
|
||
&& ieee_write_number (info, typeindx));
|
||
}
|
||
|
||
/* Add a function parameter. This will normally be called before the
|
||
first block, so we postpone them until we see the block. */
|
||
|
||
static boolean
|
||
ieee_function_parameter (p, name, kind, val)
|
||
PTR p;
|
||
const char *name;
|
||
enum debug_parm_kind kind;
|
||
bfd_vma val;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
struct ieee_pending_parm *m, **pm;
|
||
|
||
assert (info->block_depth == 1);
|
||
|
||
m = (struct ieee_pending_parm *) xmalloc (sizeof *m);
|
||
memset (m, 0, sizeof *m);
|
||
|
||
m->next = NULL;
|
||
m->name = name;
|
||
m->referencep = info->type_stack->type.referencep;
|
||
m->type = ieee_pop_type (info);
|
||
m->kind = kind;
|
||
m->val = val;
|
||
|
||
for (pm = &info->pending_parms; *pm != NULL; pm = &(*pm)->next)
|
||
;
|
||
*pm = m;
|
||
|
||
/* Add the type to the fnargs list. */
|
||
if (! ieee_change_buffer (info, &info->fnargs)
|
||
|| ! ieee_write_number (info, m->type))
|
||
return false;
|
||
++info->fnargcount;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Output pending function parameters. */
|
||
|
||
static boolean
|
||
ieee_output_pending_parms (info)
|
||
struct ieee_handle *info;
|
||
{
|
||
struct ieee_pending_parm *m;
|
||
unsigned int refcount;
|
||
|
||
refcount = 0;
|
||
for (m = info->pending_parms; m != NULL; m = m->next)
|
||
{
|
||
enum debug_var_kind vkind;
|
||
|
||
switch (m->kind)
|
||
{
|
||
default:
|
||
abort ();
|
||
return false;
|
||
case DEBUG_PARM_STACK:
|
||
case DEBUG_PARM_REFERENCE:
|
||
vkind = DEBUG_LOCAL;
|
||
break;
|
||
case DEBUG_PARM_REG:
|
||
case DEBUG_PARM_REF_REG:
|
||
vkind = DEBUG_REGISTER;
|
||
break;
|
||
}
|
||
|
||
if (! ieee_push_type (info, m->type, 0, false, false))
|
||
return false;
|
||
info->type_stack->type.referencep = m->referencep;
|
||
if (m->referencep)
|
||
++refcount;
|
||
if (! ieee_variable ((PTR) info, m->name, vkind, m->val))
|
||
return false;
|
||
}
|
||
|
||
/* If there are any reference parameters, we need to output a
|
||
miscellaneous record indicating them. */
|
||
if (refcount > 0)
|
||
{
|
||
unsigned int nindx, varindx;
|
||
|
||
/* FIXME: The MRI compiler outputs the demangled function name
|
||
here, but we are outputting the mangled name. */
|
||
nindx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, nindx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 62)
|
||
|| ! ieee_write_number (info, 80)
|
||
|| ! ieee_write_number (info, refcount + 3)
|
||
|| ! ieee_write_asn (info, nindx, 'B')
|
||
|| ! ieee_write_atn65 (info, nindx, info->fnname)
|
||
|| ! ieee_write_asn (info, nindx, 0))
|
||
return false;
|
||
for (m = info->pending_parms, varindx = 1;
|
||
m != NULL;
|
||
m = m->next, varindx++)
|
||
{
|
||
if (m->referencep)
|
||
{
|
||
if (! ieee_write_asn (info, nindx, varindx))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
m = info->pending_parms;
|
||
while (m != NULL)
|
||
{
|
||
struct ieee_pending_parm *next;
|
||
|
||
next = m->next;
|
||
free (m);
|
||
m = next;
|
||
}
|
||
|
||
info->pending_parms = NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Start a block. If this is the first block, we output the address
|
||
to finish the BB4 or BB6, and then output the function parameters. */
|
||
|
||
static boolean
|
||
ieee_start_block (p, addr)
|
||
PTR p;
|
||
bfd_vma addr;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
if (! ieee_change_buffer (info, &info->vars))
|
||
return false;
|
||
|
||
if (info->block_depth == 1)
|
||
{
|
||
if (! ieee_write_number (info, addr)
|
||
|| ! ieee_output_pending_parms (info))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 6)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, "")
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, addr))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_start_range (info, addr))
|
||
return false;
|
||
|
||
++info->block_depth;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* End a block. */
|
||
|
||
static boolean
|
||
ieee_end_block (p, addr)
|
||
PTR p;
|
||
bfd_vma addr;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
/* The address we are given is the end of the block, but IEEE seems
|
||
to want to the address of the last byte in the block, so we
|
||
subtract one. */
|
||
if (! ieee_change_buffer (info, &info->vars)
|
||
|| ! ieee_write_byte (info, (int) ieee_be_record_enum)
|
||
|| ! ieee_write_number (info, addr - 1))
|
||
return false;
|
||
|
||
if (! ieee_end_range (info, addr))
|
||
return false;
|
||
|
||
--info->block_depth;
|
||
|
||
if (addr > info->highaddr)
|
||
info->highaddr = addr;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* End a function. */
|
||
|
||
static boolean
|
||
ieee_end_function (p)
|
||
PTR p;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
assert (info->block_depth == 1);
|
||
|
||
--info->block_depth;
|
||
|
||
/* Now we can finish up fntype, and add it to the typdef section.
|
||
At this point, fntype is the 'x' type up to the argument count,
|
||
and fnargs is the argument types. We must add the argument
|
||
count, and we must add the level. FIXME: We don't record varargs
|
||
functions correctly. In fact, stabs debugging does not give us
|
||
enough information to do so. */
|
||
if (! ieee_change_buffer (info, &info->fntype)
|
||
|| ! ieee_write_number (info, info->fnargcount)
|
||
|| ! ieee_change_buffer (info, &info->fnargs)
|
||
|| ! ieee_write_number (info, 0))
|
||
return false;
|
||
|
||
/* Make sure the typdef block has been started. */
|
||
if (ieee_buffer_emptyp (&info->types))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->types)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 1)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->modname))
|
||
return false;
|
||
}
|
||
|
||
if (! ieee_append_buffer (info, &info->types, &info->fntype)
|
||
|| ! ieee_append_buffer (info, &info->types, &info->fnargs))
|
||
return false;
|
||
|
||
info->fnname = NULL;
|
||
if (! ieee_init_buffer (info, &info->fntype)
|
||
|| ! ieee_init_buffer (info, &info->fnargs))
|
||
return false;
|
||
info->fnargcount = 0;
|
||
|
||
return true;
|
||
}
|
||
|
||
/* Record line number information. */
|
||
|
||
static boolean
|
||
ieee_lineno (p, filename, lineno, addr)
|
||
PTR p;
|
||
const char *filename;
|
||
unsigned long lineno;
|
||
bfd_vma addr;
|
||
{
|
||
struct ieee_handle *info = (struct ieee_handle *) p;
|
||
|
||
assert (info->filename != NULL);
|
||
|
||
/* The HP simulator seems to get confused when more than one line is
|
||
listed for the same address, at least if they are in different
|
||
files. We handle this by always listing the last line for a
|
||
given address, since that seems to be the one that gdb uses. */
|
||
if (info->pending_lineno_filename != NULL
|
||
&& addr != info->pending_lineno_addr)
|
||
{
|
||
/* Make sure we have a line number block. */
|
||
if (! ieee_buffer_emptyp (&info->linenos))
|
||
{
|
||
if (! ieee_change_buffer (info, &info->linenos))
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
info->lineno_name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_change_buffer (info, &info->linenos)
|
||
|| ! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 5)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->filename)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, info->lineno_name_indx)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
info->lineno_filename = info->filename;
|
||
}
|
||
|
||
if (strcmp (info->pending_lineno_filename, info->lineno_filename) != 0)
|
||
{
|
||
if (strcmp (info->filename, info->lineno_filename) != 0)
|
||
{
|
||
/* We were not in the main file. Close the block for the
|
||
included file. */
|
||
if (! ieee_write_byte (info, (int) ieee_be_record_enum))
|
||
return false;
|
||
if (strcmp (info->filename, info->pending_lineno_filename) == 0)
|
||
{
|
||
/* We need a new NN record, and we aren't about to
|
||
output one. */
|
||
info->lineno_name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, info->lineno_name_indx)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
}
|
||
}
|
||
if (strcmp (info->filename, info->pending_lineno_filename) != 0)
|
||
{
|
||
/* We are not changing to the main file. Open a block for
|
||
the new included file. */
|
||
info->lineno_name_indx = info->name_indx;
|
||
++info->name_indx;
|
||
if (! ieee_write_byte (info, (int) ieee_bb_record_enum)
|
||
|| ! ieee_write_byte (info, 5)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_id (info, info->pending_lineno_filename)
|
||
|| ! ieee_write_byte (info, (int) ieee_nn_record)
|
||
|| ! ieee_write_number (info, info->lineno_name_indx)
|
||
|| ! ieee_write_id (info, ""))
|
||
return false;
|
||
}
|
||
info->lineno_filename = info->pending_lineno_filename;
|
||
}
|
||
|
||
if (! ieee_write_2bytes (info, (int) ieee_atn_record_enum)
|
||
|| ! ieee_write_number (info, info->lineno_name_indx)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_number (info, 7)
|
||
|| ! ieee_write_number (info, info->pending_lineno)
|
||
|| ! ieee_write_number (info, 0)
|
||
|| ! ieee_write_asn (info, info->lineno_name_indx,
|
||
info->pending_lineno_addr))
|
||
return false;
|
||
}
|
||
|
||
info->pending_lineno_filename = filename;
|
||
info->pending_lineno = lineno;
|
||
info->pending_lineno_addr = addr;
|
||
|
||
return true;
|
||
}
|