1537 lines
40 KiB
C
1537 lines
40 KiB
C
/* Read and manage MIPS symbol tables from object modules.
|
||
Source originally from hartzell@boulder.colorado.edu
|
||
Rewritten by: meissner@osf.org
|
||
Copyright (C) 1991 Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU CC.
|
||
|
||
GNU CC is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
GNU CC is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GNU CC; see the file COPYING. If not, write to
|
||
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#include <stdio.h>
|
||
#include <sys/types.h>
|
||
#include <sys/file.h>
|
||
#include <fcntl.h>
|
||
#include <errno.h>
|
||
#include <a.out.h>
|
||
#include "config.h"
|
||
|
||
#ifdef __STDC__
|
||
typedef void *PTR_T;
|
||
typedef const void *CPTR_T;
|
||
#define __proto(x) x
|
||
#else
|
||
|
||
#if defined(_STDIO_H_) || defined(__STDIO_H__) /* Ultrix 4.0, SGI */
|
||
typedef void *PTR_T;
|
||
typedef void *CPTR_T;
|
||
|
||
#else
|
||
typedef char *PTR_T; /* Ultrix 3.1 */
|
||
typedef char *CPTR_T;
|
||
#endif
|
||
|
||
#define __proto(x) ()
|
||
#define const
|
||
#endif
|
||
|
||
#define uchar unsigned char
|
||
#define ushort unsigned short
|
||
#define uint unsigned int
|
||
#define ulong unsigned long
|
||
|
||
/* Do to size_t being defined in sys/types.h and different
|
||
in stddef.h, we have to do this by hand..... Note, these
|
||
types are correct for MIPS based systems, and may not be
|
||
correct for other systems. */
|
||
|
||
#define size_t uint
|
||
#define ptrdiff_t int
|
||
|
||
|
||
/* Redefinition of of storage classes as an enumeration for better
|
||
debugging. */
|
||
|
||
#ifndef stStaParam
|
||
#define stStaParam 16 /* Fortran static parameters */
|
||
#endif
|
||
|
||
#ifndef btVoid
|
||
#define btVoid 26 /* void basic type */
|
||
#endif
|
||
|
||
typedef enum sc {
|
||
sc_Nil = scNil, /* no storage class */
|
||
sc_Text = scText, /* text symbol */
|
||
sc_Data = scData, /* initialized data symbol */
|
||
sc_Bss = scBss, /* un-initialized data symbol */
|
||
sc_Register = scRegister, /* value of symbol is register number */
|
||
sc_Abs = scAbs, /* value of symbol is absolute */
|
||
sc_Undefined = scUndefined, /* who knows? */
|
||
sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */
|
||
sc_Bits = scBits, /* this is a bit field */
|
||
sc_CdbSystem = scCdbSystem, /* var's value is IN CDB's address space */
|
||
sc_RegImage = scRegImage, /* register value saved on stack */
|
||
sc_Info = scInfo, /* symbol contains debugger information */
|
||
sc_UserStruct = scUserStruct, /* addr in struct user for current process */
|
||
sc_SData = scSData, /* load time only small data */
|
||
sc_SBss = scSBss, /* load time only small common */
|
||
sc_RData = scRData, /* load time only read only data */
|
||
sc_Var = scVar, /* Var parameter (fortran,pascal) */
|
||
sc_Common = scCommon, /* common variable */
|
||
sc_SCommon = scSCommon, /* small common */
|
||
sc_VarRegister = scVarRegister, /* Var parameter in a register */
|
||
sc_Variant = scVariant, /* Variant record */
|
||
sc_SUndefined = scSUndefined, /* small undefined(external) data */
|
||
sc_Init = scInit, /* .init section symbol */
|
||
sc_Max = scMax /* Max storage class+1 */
|
||
} sc_t;
|
||
|
||
/* Redefinition of symbol type. */
|
||
|
||
typedef enum st {
|
||
st_Nil = stNil, /* Nuthin' special */
|
||
st_Global = stGlobal, /* external symbol */
|
||
st_Static = stStatic, /* static */
|
||
st_Param = stParam, /* procedure argument */
|
||
st_Local = stLocal, /* local variable */
|
||
st_Label = stLabel, /* label */
|
||
st_Proc = stProc, /* " " Procedure */
|
||
st_Block = stBlock, /* beginning of block */
|
||
st_End = stEnd, /* end (of anything) */
|
||
st_Member = stMember, /* member (of anything - struct/union/enum */
|
||
st_Typedef = stTypedef, /* type definition */
|
||
st_File = stFile, /* file name */
|
||
st_RegReloc = stRegReloc, /* register relocation */
|
||
st_Forward = stForward, /* forwarding address */
|
||
st_StaticProc = stStaticProc, /* load time only static procs */
|
||
st_StaParam = stStaParam, /* Fortran static parameters */
|
||
st_Constant = stConstant, /* const */
|
||
st_Str = stStr, /* string */
|
||
st_Number = stNumber, /* pure number (ie. 4 NOR 2+2) */
|
||
st_Expr = stExpr, /* 2+2 vs. 4 */
|
||
st_Type = stType, /* post-coercion SER */
|
||
st_Max = stMax /* max type+1 */
|
||
} st_t;
|
||
|
||
/* Redefinition of type qualifiers. */
|
||
|
||
typedef enum tq {
|
||
tq_Nil = tqNil, /* bt is what you see */
|
||
tq_Ptr = tqPtr, /* pointer */
|
||
tq_Proc = tqProc, /* procedure */
|
||
tq_Array = tqArray, /* duh */
|
||
tq_Far = tqFar, /* longer addressing - 8086/8 land */
|
||
tq_Vol = tqVol, /* volatile */
|
||
tq_Max = tqMax /* Max type qualifier+1 */
|
||
} tq_t;
|
||
|
||
/* Redefinition of basic types. */
|
||
|
||
typedef enum bt {
|
||
bt_Nil = btNil, /* undefined */
|
||
bt_Adr = btAdr, /* address - integer same size as pointer */
|
||
bt_Char = btChar, /* character */
|
||
bt_UChar = btUChar, /* unsigned character */
|
||
bt_Short = btShort, /* short */
|
||
bt_UShort = btUShort, /* unsigned short */
|
||
bt_Int = btInt, /* int */
|
||
bt_UInt = btUInt, /* unsigned int */
|
||
bt_Long = btLong, /* long */
|
||
bt_ULong = btULong, /* unsigned long */
|
||
bt_Float = btFloat, /* float (real) */
|
||
bt_Double = btDouble, /* Double (real) */
|
||
bt_Struct = btStruct, /* Structure (Record) */
|
||
bt_Union = btUnion, /* Union (variant) */
|
||
bt_Enum = btEnum, /* Enumerated */
|
||
bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */
|
||
bt_Range = btRange, /* subrange of int */
|
||
bt_Set = btSet, /* pascal sets */
|
||
bt_Complex = btComplex, /* fortran complex */
|
||
bt_DComplex = btDComplex, /* fortran double complex */
|
||
bt_Indirect = btIndirect, /* forward or unnamed typedef */
|
||
bt_FixedDec = btFixedDec, /* Fixed Decimal */
|
||
bt_FloatDec = btFloatDec, /* Float Decimal */
|
||
bt_String = btString, /* Varying Length Character String */
|
||
bt_Bit = btBit, /* Aligned Bit String */
|
||
bt_Picture = btPicture, /* Picture */
|
||
bt_Void = btVoid, /* void */
|
||
bt_Max = btMax /* Max basic type+1 */
|
||
} bt_t;
|
||
|
||
/* Redefinition of the language codes. */
|
||
|
||
typedef enum lang {
|
||
lang_C = langC,
|
||
lang_Pascal = langPascal,
|
||
lang_Fortran = langFortran,
|
||
lang_Assembler = langAssembler,
|
||
lang_Machine = langMachine,
|
||
lang_Nil = langNil,
|
||
lang_Ada = langAda,
|
||
lang_Pl1 = langPl1,
|
||
lang_Cobol = langCobol
|
||
} lang_t;
|
||
|
||
/* Redefinition of the debug level codes. */
|
||
|
||
typedef enum glevel {
|
||
glevel_0 = GLEVEL_0,
|
||
glevel_1 = GLEVEL_1,
|
||
glevel_2 = GLEVEL_2,
|
||
glevel_3 = GLEVEL_3
|
||
} glevel_t;
|
||
|
||
|
||
/* Keep track of the active scopes. */
|
||
typedef struct scope {
|
||
struct scope *prev; /* previous scope */
|
||
ulong open_sym; /* symbol opening scope */
|
||
sc_t sc; /* storage class */
|
||
st_t st; /* symbol type */
|
||
} scope_t;
|
||
|
||
struct filehdr global_hdr; /* a.out header */
|
||
|
||
int errors = 0; /* # of errors */
|
||
int want_aux = 0; /* print aux table */
|
||
int want_line = 0; /* print line numbers */
|
||
int want_rfd = 0; /* print relative file desc's */
|
||
int want_scope = 0; /* print scopes for every symbol */
|
||
int tfile_fd; /* file descriptor of .T file */
|
||
off_t tfile_offset; /* current offset in .T file */
|
||
scope_t *cur_scope = 0; /* list of active scopes */
|
||
scope_t *free_scope = 0; /* list of freed scopes */
|
||
HDRR sym_hdr; /* symbolic header */
|
||
char *l_strings; /* local strings */
|
||
char *e_strings; /* external strings */
|
||
SYMR *l_symbols; /* local symbols */
|
||
EXTR *e_symbols; /* external symbols */
|
||
LINER *lines; /* line numbers */
|
||
DNR *dense_nums; /* dense numbers */
|
||
OPTR *opt_symbols; /* optimization symbols */
|
||
AUXU *aux_symbols; /* Auxiliary symbols */
|
||
char *aux_used; /* map of which aux syms are used */
|
||
FDR *file_desc; /* file tables */
|
||
ulong *rfile_desc; /* relative file tables */
|
||
PDR *proc_desc; /* procedure tables */
|
||
|
||
/* Forward reference for functions. */
|
||
PTR_T read_seek __proto((PTR_T, size_t, off_t, const char *));
|
||
void read_tfile __proto((void));
|
||
void print_global_hdr __proto((struct filehdr *));
|
||
void print_sym_hdr __proto((HDRR *));
|
||
void print_file_desc __proto((FDR *, int));
|
||
void print_symbol __proto((SYMR *, int, char *, AUXU *, int));
|
||
void print_aux __proto((AUXU, int, int));
|
||
void emit_aggregate __proto((char *, AUXU, AUXU, const char *));
|
||
char *st_to_string __proto((st_t));
|
||
char *sc_to_string __proto((sc_t));
|
||
char *glevel_to_string __proto((glevel_t));
|
||
char *lang_to_string __proto((lang_t));
|
||
char *type_to_string __proto((AUXU *, int));
|
||
|
||
extern PTR_T malloc __proto((size_t));
|
||
extern PTR_T calloc __proto((size_t, size_t));
|
||
extern PTR_T realloc __proto((PTR_T, size_t));
|
||
extern void free __proto((PTR_T));
|
||
extern char *ctime __proto((time_t *));
|
||
|
||
extern char *optarg;
|
||
extern int optind;
|
||
extern int opterr;
|
||
|
||
/* Create a table of debugging stab-codes and corresponding names. */
|
||
|
||
#define __define_stab(NAME, CODE, STRING) {(int)CODE, STRING},
|
||
struct {short code; char string[10];} stab_names[] = {
|
||
#include "stab.def"
|
||
#undef __define_stab
|
||
};
|
||
|
||
|
||
/* Read some bytes at a specified location, and return a pointer. */
|
||
|
||
PTR_T
|
||
read_seek (ptr, size, offset, context)
|
||
PTR_T ptr; /* pointer to buffer or NULL */
|
||
size_t size; /* # bytes to read */
|
||
off_t offset; /* offset to read at */
|
||
const char *context; /* context for error message */
|
||
{
|
||
long read_size = 0;
|
||
|
||
if (size == 0) /* nothing to read */
|
||
return ptr;
|
||
|
||
if ((ptr == (PTR_T)0 && (ptr = malloc (size)) == (PTR_T)0)
|
||
|| (tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1)
|
||
|| (read_size = read (tfile_fd, ptr, size)) < 0)
|
||
{
|
||
perror (context);
|
||
exit (1);
|
||
}
|
||
|
||
if (read_size != size)
|
||
{
|
||
fprintf (stderr, "%s: read %ld bytes, expected %ld bytes\n",
|
||
context, read_size, (long) size);
|
||
exit (1);
|
||
}
|
||
|
||
tfile_offset = offset + size;
|
||
return ptr;
|
||
}
|
||
|
||
|
||
/* Convert language code to string format. */
|
||
|
||
char *
|
||
lang_to_string (lang)
|
||
lang_t lang;
|
||
{
|
||
switch (lang)
|
||
{
|
||
case langC: return "C";
|
||
case langPascal: return "Pascal";
|
||
case langFortran: return "Fortran";
|
||
case langAssembler: return "Assembler";
|
||
case langMachine: return "Machine";
|
||
case langNil: return "Nil";
|
||
case langAda: return "Ada";
|
||
case langPl1: return "Pl1";
|
||
case langCobol: return "Cobol";
|
||
}
|
||
|
||
return "Unknown language";
|
||
}
|
||
|
||
|
||
/* Convert storage class to string. */
|
||
|
||
char *
|
||
sc_to_string(storage_class)
|
||
sc_t storage_class;
|
||
{
|
||
switch(storage_class)
|
||
{
|
||
case sc_Nil: return "Nil";
|
||
case sc_Text: return "Text";
|
||
case sc_Data: return "Data";
|
||
case sc_Bss: return "Bss";
|
||
case sc_Register: return "Register";
|
||
case sc_Abs: return "Abs";
|
||
case sc_Undefined: return "Undefined";
|
||
case sc_CdbLocal: return "CdbLocal";
|
||
case sc_Bits: return "Bits";
|
||
case sc_CdbSystem: return "CdbSystem";
|
||
case sc_RegImage: return "RegImage";
|
||
case sc_Info: return "Info";
|
||
case sc_UserStruct: return "UserStruct";
|
||
case sc_SData: return "SData";
|
||
case sc_SBss: return "SBss";
|
||
case sc_RData: return "RData";
|
||
case sc_Var: return "Var";
|
||
case sc_Common: return "Common";
|
||
case sc_SCommon: return "SCommon";
|
||
case sc_VarRegister: return "VarRegister";
|
||
case sc_Variant: return "Variant";
|
||
case sc_SUndefined: return "SUndefined";
|
||
case sc_Init: return "Init";
|
||
case sc_Max: return "Max";
|
||
}
|
||
|
||
return "???";
|
||
}
|
||
|
||
|
||
/* Convert symbol type to string. */
|
||
|
||
char *
|
||
st_to_string(symbol_type)
|
||
st_t symbol_type;
|
||
{
|
||
switch(symbol_type)
|
||
{
|
||
case st_Nil: return "Nil";
|
||
case st_Global: return "Global";
|
||
case st_Static: return "Static";
|
||
case st_Param: return "Param";
|
||
case st_Local: return "Local";
|
||
case st_Label: return "Label";
|
||
case st_Proc: return "Proc";
|
||
case st_Block: return "Block";
|
||
case st_End: return "End";
|
||
case st_Member: return "Member";
|
||
case st_Typedef: return "Typedef";
|
||
case st_File: return "File";
|
||
case st_RegReloc: return "RegReloc";
|
||
case st_Forward: return "Forward";
|
||
case st_StaticProc: return "StaticProc";
|
||
case st_Constant: return "Constant";
|
||
case st_StaParam: return "StaticParam";
|
||
case st_Str: return "String";
|
||
case st_Number: return "Number";
|
||
case st_Expr: return "Expr";
|
||
case st_Type: return "Type";
|
||
case st_Max: return "Max";
|
||
}
|
||
|
||
return "???";
|
||
}
|
||
|
||
|
||
/* Convert debug level to string. */
|
||
|
||
char *
|
||
glevel_to_string (g_level)
|
||
glevel_t g_level;
|
||
{
|
||
switch(g_level)
|
||
{
|
||
case GLEVEL_0: return "G0";
|
||
case GLEVEL_1: return "G1";
|
||
case GLEVEL_2: return "G2";
|
||
case GLEVEL_3: return "G3";
|
||
}
|
||
|
||
return "??";
|
||
}
|
||
|
||
|
||
/* Convert the type information to string format. */
|
||
|
||
char *
|
||
type_to_string (aux_ptr, index)
|
||
AUXU *aux_ptr;
|
||
int index;
|
||
{
|
||
AUXU u;
|
||
struct qual {
|
||
tq_t type;
|
||
int low_bound;
|
||
int high_bound;
|
||
int stride;
|
||
} qualifiers[7];
|
||
|
||
bt_t basic_type;
|
||
int i;
|
||
static char buffer1[1024];
|
||
static char buffer2[1024];
|
||
char *p1 = buffer1;
|
||
char *p2 = buffer2;
|
||
char *used_ptr = aux_used + (aux_ptr - aux_symbols);
|
||
|
||
for (i = 0; i < 7; i++)
|
||
{
|
||
qualifiers[i].low_bound = 0;
|
||
qualifiers[i].high_bound = 0;
|
||
qualifiers[i].stride = 0;
|
||
}
|
||
|
||
used_ptr[index] = 1;
|
||
u = aux_ptr[index++];
|
||
if (u.isym == -1)
|
||
return "-1 (no type)";
|
||
|
||
basic_type = (bt_t) u.ti.bt;
|
||
qualifiers[0].type = (tq_t) u.ti.tq0;
|
||
qualifiers[1].type = (tq_t) u.ti.tq1;
|
||
qualifiers[2].type = (tq_t) u.ti.tq2;
|
||
qualifiers[3].type = (tq_t) u.ti.tq3;
|
||
qualifiers[4].type = (tq_t) u.ti.tq4;
|
||
qualifiers[5].type = (tq_t) u.ti.tq5;
|
||
qualifiers[6].type = tq_Nil;
|
||
|
||
/*
|
||
* Go get the basic type.
|
||
*/
|
||
switch (basic_type)
|
||
{
|
||
case bt_Nil: /* undefined */
|
||
strcpy (p1, "nil");
|
||
break;
|
||
|
||
case bt_Adr: /* address - integer same size as pointer */
|
||
strcpy (p1, "address");
|
||
break;
|
||
|
||
case bt_Char: /* character */
|
||
strcpy (p1, "char");
|
||
break;
|
||
|
||
case bt_UChar: /* unsigned character */
|
||
strcpy (p1, "unsigned char");
|
||
break;
|
||
|
||
case bt_Short: /* short */
|
||
strcpy (p1, "short");
|
||
break;
|
||
|
||
case bt_UShort: /* unsigned short */
|
||
strcpy (p1, "unsigned short");
|
||
break;
|
||
|
||
case bt_Int: /* int */
|
||
strcpy (p1, "int");
|
||
break;
|
||
|
||
case bt_UInt: /* unsigned int */
|
||
strcpy (p1, "unsigned int");
|
||
break;
|
||
|
||
case bt_Long: /* long */
|
||
strcpy (p1, "long");
|
||
break;
|
||
|
||
case bt_ULong: /* unsigned long */
|
||
strcpy (p1, "unsigned long");
|
||
break;
|
||
|
||
case bt_Float: /* float (real) */
|
||
strcpy (p1, "float");
|
||
break;
|
||
|
||
case bt_Double: /* Double (real) */
|
||
strcpy (p1, "double");
|
||
break;
|
||
|
||
/* Structures add 1-2 aux words:
|
||
1st word is [ST_RFDESCAPE, offset] pointer to struct def;
|
||
2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
|
||
|
||
case bt_Struct: /* Structure (Record) */
|
||
emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "struct");
|
||
used_ptr[index] = 1;
|
||
if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
|
||
used_ptr[++index] = 1;
|
||
|
||
index++; /* skip aux words */
|
||
break;
|
||
|
||
/* Unions add 1-2 aux words:
|
||
1st word is [ST_RFDESCAPE, offset] pointer to union def;
|
||
2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
|
||
|
||
case bt_Union: /* Union */
|
||
emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "union");
|
||
used_ptr[index] = 1;
|
||
if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
|
||
used_ptr[++index] = 1;
|
||
|
||
index++; /* skip aux words */
|
||
break;
|
||
|
||
/* Enumerations add 1-2 aux words:
|
||
1st word is [ST_RFDESCAPE, offset] pointer to enum def;
|
||
2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
|
||
|
||
case bt_Enum: /* Enumeration */
|
||
emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "enum");
|
||
used_ptr[index] = 1;
|
||
if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
|
||
used_ptr[++index] = 1;
|
||
|
||
index++; /* skip aux words */
|
||
break;
|
||
|
||
case bt_Typedef: /* defined via a typedef, isymRef points */
|
||
strcpy (p1, "typedef");
|
||
break;
|
||
|
||
case bt_Range: /* subrange of int */
|
||
strcpy (p1, "subrange");
|
||
break;
|
||
|
||
case bt_Set: /* pascal sets */
|
||
strcpy (p1, "set");
|
||
break;
|
||
|
||
case bt_Complex: /* fortran complex */
|
||
strcpy (p1, "complex");
|
||
break;
|
||
|
||
case bt_DComplex: /* fortran double complex */
|
||
strcpy (p1, "double complex");
|
||
break;
|
||
|
||
case bt_Indirect: /* forward or unnamed typedef */
|
||
strcpy (p1, "forward/unamed typedef");
|
||
break;
|
||
|
||
case bt_FixedDec: /* Fixed Decimal */
|
||
strcpy (p1, "fixed decimal");
|
||
break;
|
||
|
||
case bt_FloatDec: /* Float Decimal */
|
||
strcpy (p1, "float decimal");
|
||
break;
|
||
|
||
case bt_String: /* Varying Length Character String */
|
||
strcpy (p1, "string");
|
||
break;
|
||
|
||
case bt_Bit: /* Aligned Bit String */
|
||
strcpy (p1, "bit");
|
||
break;
|
||
|
||
case bt_Picture: /* Picture */
|
||
strcpy (p1, "picture");
|
||
break;
|
||
|
||
case bt_Void: /* Void */
|
||
strcpy (p1, "void");
|
||
break;
|
||
|
||
default:
|
||
sprintf (p1, "Unknown basic type %d", (int) basic_type);
|
||
break;
|
||
}
|
||
|
||
p1 += strlen (buffer1);
|
||
|
||
/*
|
||
* If this is a bitfield, get the bitsize.
|
||
*/
|
||
if (u.ti.fBitfield)
|
||
{
|
||
int bitsize;
|
||
|
||
used_ptr[index] = 1;
|
||
bitsize = aux_ptr[index++].width;
|
||
sprintf (p1, " : %d", bitsize);
|
||
p1 += strlen (buffer1);
|
||
}
|
||
|
||
|
||
/*
|
||
* Deal with any qualifiers.
|
||
*/
|
||
if (qualifiers[0].type != tq_Nil)
|
||
{
|
||
/*
|
||
* Snarf up any array bounds in the correct order. Arrays
|
||
* store 5 successive words in the aux. table:
|
||
* word 0 RNDXR to type of the bounds (ie, int)
|
||
* word 1 Current file descriptor index
|
||
* word 2 low bound
|
||
* word 3 high bound (or -1 if [])
|
||
* word 4 stride size in bits
|
||
*/
|
||
for (i = 0; i < 7; i++)
|
||
{
|
||
if (qualifiers[i].type == tq_Array)
|
||
{
|
||
qualifiers[i].low_bound = aux_ptr[index+2].dnLow;
|
||
qualifiers[i].high_bound = aux_ptr[index+3].dnHigh;
|
||
qualifiers[i].stride = aux_ptr[index+4].width;
|
||
used_ptr[index] = 1;
|
||
used_ptr[index+1] = 1;
|
||
used_ptr[index+2] = 1;
|
||
used_ptr[index+3] = 1;
|
||
used_ptr[index+4] = 1;
|
||
index += 5;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Now print out the qualifiers.
|
||
*/
|
||
for (i = 0; i < 6; i++)
|
||
{
|
||
switch (qualifiers[i].type)
|
||
{
|
||
case tq_Nil:
|
||
case tq_Max:
|
||
break;
|
||
|
||
case tq_Ptr:
|
||
strcpy (p2, "ptr to ");
|
||
p2 += sizeof ("ptr to ")-1;
|
||
break;
|
||
|
||
case tq_Vol:
|
||
strcpy (p2, "volatile ");
|
||
p2 += sizeof ("volatile ")-1;
|
||
break;
|
||
|
||
case tq_Far:
|
||
strcpy (p2, "far ");
|
||
p2 += sizeof ("far ")-1;
|
||
break;
|
||
|
||
case tq_Proc:
|
||
strcpy (p2, "func. ret. ");
|
||
p2 += sizeof ("func. ret. ");
|
||
break;
|
||
|
||
case tq_Array:
|
||
{
|
||
int first_array = i;
|
||
int j;
|
||
|
||
/* Print array bounds reversed (ie, in the order the C
|
||
programmer writes them). C is such a fun language.... */
|
||
|
||
while (i < 5 && qualifiers[i+1].type == tq_Array)
|
||
i++;
|
||
|
||
for (j = i; j >= first_array; j--)
|
||
{
|
||
strcpy (p2, "array [");
|
||
p2 += sizeof ("array [")-1;
|
||
if (qualifiers[j].low_bound != 0)
|
||
sprintf (p2,
|
||
"%ld:%ld {%ld bits}",
|
||
(long) qualifiers[j].low_bound,
|
||
(long) qualifiers[j].high_bound,
|
||
(long) qualifiers[j].stride);
|
||
|
||
else if (qualifiers[j].high_bound != -1)
|
||
sprintf (p2,
|
||
"%ld {%ld bits}",
|
||
(long) (qualifiers[j].high_bound + 1),
|
||
(long) (qualifiers[j].stride));
|
||
|
||
else
|
||
sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride));
|
||
|
||
p2 += strlen (p2);
|
||
strcpy (p2, "] of ");
|
||
p2 += sizeof ("] of ")-1;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
strcpy (p2, buffer1);
|
||
return buffer2;
|
||
}
|
||
|
||
|
||
/* Print out the global file header for object files. */
|
||
|
||
void
|
||
print_global_hdr (ptr)
|
||
struct filehdr *ptr;
|
||
{
|
||
char *time = ctime ((off_t *)&ptr->f_timdat);
|
||
ushort flags = ptr->f_flags;
|
||
|
||
printf("Global file header:\n");
|
||
printf(" %-*s 0x%x\n", 24, "magic number", (ushort) ptr->f_magic);
|
||
printf(" %-*s %d\n", 24, "# sections", (int) ptr->f_nscns);
|
||
printf(" %-*s %ld, %s", 24, "timestamp", (long) ptr->f_timdat, time);
|
||
printf(" %-*s %ld\n", 24, "symbolic header offset", (long) ptr->f_symptr);
|
||
printf(" %-*s %ld\n", 24, "symbolic header size", (long) ptr->f_nsyms);
|
||
printf(" %-*s %ld\n", 24, "optional header", (long) ptr->f_opthdr);
|
||
printf(" %-*s 0x%lx", 24, "flags", (ushort) flags);
|
||
|
||
if ((flags & F_RELFLG) != 0)
|
||
printf (", F_RELFLG");
|
||
|
||
if ((flags & F_EXEC) != 0)
|
||
printf (", F_EXEC");
|
||
|
||
if ((flags & F_LNNO) != 0)
|
||
printf (", F_LNNO");
|
||
|
||
if ((flags & F_LSYMS) != 0)
|
||
printf (", F_LSYMS");
|
||
|
||
if ((flags & F_MINMAL) != 0)
|
||
printf (", F_MINMAL");
|
||
|
||
if ((flags & F_UPDATE) != 0)
|
||
printf (", F_UPDATE");
|
||
|
||
if ((flags & F_SWABD) != 0)
|
||
printf (", F_SWABD");
|
||
|
||
if ((flags & F_AR16WR) != 0)
|
||
printf (", F_AR16WR");
|
||
|
||
if ((flags & F_AR32WR) != 0)
|
||
printf (", F_AR32WR");
|
||
|
||
if ((flags & F_AR32W) != 0)
|
||
printf (", F_AR32W");
|
||
|
||
if ((flags & F_PATCH) != 0)
|
||
printf (", F_PATCH/F_NODF");
|
||
|
||
printf ("\n\n");
|
||
}
|
||
|
||
|
||
/* Print out the symbolic header. */
|
||
|
||
void
|
||
print_sym_hdr (sym_ptr)
|
||
HDRR *sym_ptr;
|
||
{
|
||
int width = 20;
|
||
|
||
printf("Symbolic header, magic number = 0x%04x, vstamp = %d.%d:\n\n",
|
||
sym_ptr->magic & 0xffff,
|
||
(sym_ptr->vstamp & 0xffff) >> 8,
|
||
sym_ptr->vstamp & 0xff);
|
||
|
||
printf(" %-*s %11s %11s %11s\n", width, "Info", "Offset", "Number", "Bytes");
|
||
printf(" %-*s %11s %11s %11s\n", width, "====", "======", "======", "=====\n");
|
||
|
||
printf(" %-*s %11ld %11d %11d [%d]\n", width, "Line numbers",
|
||
sym_ptr->cbLineOffset, sym_ptr->cbLine, sym_ptr->cbLine, sym_ptr->ilineMax);
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Dense numbers",
|
||
sym_ptr->cbDnOffset, sym_ptr->idnMax, sym_ptr->idnMax * sizeof (DNR));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Procedures Tables",
|
||
sym_ptr->cbPdOffset, sym_ptr->ipdMax, sym_ptr->ipdMax * sizeof (PDR));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Local Symbols",
|
||
sym_ptr->cbSymOffset, sym_ptr->isymMax, sym_ptr->isymMax * sizeof (SYMR));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Optimization Symbols",
|
||
sym_ptr->cbOptOffset, sym_ptr->ioptMax, sym_ptr->ioptMax * sizeof (OPTR));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Auxiliary Symbols",
|
||
sym_ptr->cbAuxOffset, sym_ptr->iauxMax, sym_ptr->iauxMax * sizeof (AUXU));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Local Strings",
|
||
sym_ptr->cbSsOffset, sym_ptr->issMax, sym_ptr->issMax);
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "External Strings",
|
||
sym_ptr->cbSsExtOffset, sym_ptr->issExtMax, sym_ptr->issExtMax);
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "File Tables",
|
||
sym_ptr->cbFdOffset, sym_ptr->ifdMax, sym_ptr->ifdMax * sizeof (FDR));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "Relative Files",
|
||
sym_ptr->cbRfdOffset, sym_ptr->crfd, sym_ptr->crfd * sizeof (ulong));
|
||
|
||
printf(" %-*s %11ld %11d %11d\n", width, "External Symbols",
|
||
sym_ptr->cbExtOffset, sym_ptr->iextMax, sym_ptr->iextMax * sizeof (EXTR));
|
||
}
|
||
|
||
|
||
/* Print out a symbol. */
|
||
|
||
void
|
||
print_symbol (sym_ptr, number, strbase, aux_base, ifd)
|
||
SYMR *sym_ptr;
|
||
int number;
|
||
char *strbase;
|
||
AUXU *aux_base;
|
||
int ifd;
|
||
{
|
||
sc_t storage_class = (sc_t) sym_ptr->sc;
|
||
st_t symbol_type = (st_t) sym_ptr->st;
|
||
ulong index = sym_ptr->index;
|
||
char *used_ptr = aux_used + (aux_base - aux_symbols);
|
||
scope_t *scope_ptr;
|
||
|
||
printf ("\n Symbol# %d: \"%s\"\n", number, sym_ptr->iss + strbase);
|
||
|
||
if (aux_base != (AUXU *)0 && index != indexNil)
|
||
switch (symbol_type)
|
||
{
|
||
case st_Nil:
|
||
case st_Label:
|
||
break;
|
||
|
||
case st_File:
|
||
case st_Block:
|
||
printf (" End+1 symbol: %ld\n", index);
|
||
if (want_scope)
|
||
{
|
||
if (free_scope == (scope_t *)0)
|
||
scope_ptr = (scope_t *) malloc (sizeof (scope_t));
|
||
else
|
||
{
|
||
scope_ptr = free_scope;
|
||
free_scope = scope_ptr->prev;
|
||
}
|
||
scope_ptr->open_sym = number;
|
||
scope_ptr->st = symbol_type;
|
||
scope_ptr->sc = storage_class;
|
||
scope_ptr->prev = cur_scope;
|
||
cur_scope = scope_ptr;
|
||
}
|
||
break;
|
||
|
||
case st_End:
|
||
if (storage_class == sc_Text || storage_class == sc_Info)
|
||
printf (" First symbol: %ld\n", index);
|
||
else
|
||
{
|
||
used_ptr[index] = 1;
|
||
printf (" First symbol: %ld\n", aux_base[index].isym);
|
||
}
|
||
|
||
if (want_scope)
|
||
{
|
||
if (cur_scope == (scope_t *)0)
|
||
printf (" Can't pop end scope\n");
|
||
else
|
||
{
|
||
scope_ptr = cur_scope;
|
||
cur_scope = scope_ptr->prev;
|
||
scope_ptr->prev = free_scope;
|
||
free_scope = scope_ptr;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case st_Proc:
|
||
case st_StaticProc:
|
||
if (MIPS_IS_STAB(sym_ptr))
|
||
;
|
||
else if (ifd == -1) /* local symbol */
|
||
{
|
||
used_ptr[index] = used_ptr[index+1] = 1;
|
||
printf (" End+1 symbol: %-7ld Type: %s\n",
|
||
aux_base[index].isym, type_to_string (aux_base, index+1));
|
||
}
|
||
else /* global symbol */
|
||
{
|
||
used_ptr[index] = 1;
|
||
printf (" Type: %s\n",
|
||
type_to_string (aux_base, index));
|
||
}
|
||
|
||
if (want_scope)
|
||
{
|
||
if (free_scope == (scope_t *)0)
|
||
scope_ptr = (scope_t *) malloc (sizeof (scope_t));
|
||
else
|
||
{
|
||
scope_ptr = free_scope;
|
||
free_scope = scope_ptr->prev;
|
||
}
|
||
scope_ptr->open_sym = number;
|
||
scope_ptr->st = symbol_type;
|
||
scope_ptr->sc = storage_class;
|
||
scope_ptr->prev = cur_scope;
|
||
cur_scope = scope_ptr;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
if (!MIPS_IS_STAB (sym_ptr))
|
||
{
|
||
used_ptr[index] = 1;
|
||
printf (" Type: %s\n",
|
||
type_to_string (aux_base, index));
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (want_scope)
|
||
{
|
||
printf (" Scopes: ");
|
||
if (cur_scope == (scope_t *)0)
|
||
printf (" none\n");
|
||
else
|
||
{
|
||
for (scope_ptr = cur_scope;
|
||
scope_ptr != (scope_t *)0;
|
||
scope_ptr = scope_ptr->prev)
|
||
{
|
||
char *class;
|
||
if (scope_ptr->st == st_Proc || scope_ptr->st == st_StaticProc)
|
||
class = "func.";
|
||
else if (scope_ptr->st == st_File)
|
||
class = "file";
|
||
else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Text)
|
||
class = "block";
|
||
else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Info)
|
||
class = "type";
|
||
else
|
||
class = "???";
|
||
|
||
printf (" %d [%s]", scope_ptr->open_sym, class);
|
||
}
|
||
printf ("\n");
|
||
}
|
||
}
|
||
|
||
printf (" Value: %-13ld ",
|
||
(long)sym_ptr->value);
|
||
if (ifd == -1)
|
||
printf ("String index: %ld\n", (long)sym_ptr->iss);
|
||
else
|
||
printf ("String index: %-11ld Ifd: %d\n",
|
||
(long)sym_ptr->iss, ifd);
|
||
|
||
printf (" Symbol type: %-11sStorage class: %-11s",
|
||
st_to_string (symbol_type), sc_to_string (storage_class));
|
||
|
||
if (MIPS_IS_STAB(sym_ptr))
|
||
{
|
||
register int i = sizeof(stab_names) / sizeof(stab_names[0]);
|
||
char *stab_name = "stab";
|
||
short code = MIPS_UNMARK_STAB(sym_ptr->index);
|
||
while (--i >= 0)
|
||
if (stab_names[i].code == code)
|
||
{
|
||
stab_name = stab_names[i].string;
|
||
break;
|
||
}
|
||
printf ("Index: 0x%lx (%s)\n", (long)sym_ptr->index, stab_name);
|
||
}
|
||
else if (sym_ptr->st == stLabel && sym_ptr->index != indexNil)
|
||
printf ("Index: %ld (line#)\n", (long)sym_ptr->index);
|
||
else
|
||
printf ("Index: %ld\n", (long)sym_ptr->index);
|
||
|
||
}
|
||
|
||
|
||
/* Print out a word from the aux. table in various formats. */
|
||
|
||
void
|
||
print_aux (u, auxi, used)
|
||
AUXU u;
|
||
int auxi;
|
||
int used;
|
||
{
|
||
printf ("\t%s#%-5d %11ld, [%4ld/%7ld], [%2d %1d:%1d %1x:%1x:%1x:%1x:%1x:%1x]\n",
|
||
(used) ? " " : "* ",
|
||
auxi,
|
||
(long) u.isym,
|
||
(long) u.rndx.rfd,
|
||
(long) u.rndx.index,
|
||
u.ti.bt,
|
||
u.ti.fBitfield,
|
||
u.ti.continued,
|
||
u.ti.tq0,
|
||
u.ti.tq1,
|
||
u.ti.tq2,
|
||
u.ti.tq3,
|
||
u.ti.tq4,
|
||
u.ti.tq5);
|
||
}
|
||
|
||
|
||
/* Write aggregate information to a string. */
|
||
|
||
void
|
||
emit_aggregate (string, u, u2, which)
|
||
char *string;
|
||
AUXU u;
|
||
AUXU u2;
|
||
const char *which;
|
||
{
|
||
int ifd = u.rndx.rfd;
|
||
int index = u.rndx.index;
|
||
int sym_base, ss_base;
|
||
int name;
|
||
|
||
if (ifd == ST_RFDESCAPE)
|
||
ifd = u2.isym;
|
||
|
||
sym_base = file_desc[ifd].isymBase;
|
||
ss_base = file_desc[ifd].issBase;
|
||
|
||
name = (index == indexNil) ? 0 : l_symbols[index + sym_base].iss;
|
||
sprintf (string,
|
||
"%s %s { ifd = %d, index = %d }",
|
||
which,
|
||
(name == 0) ? "/* no name */" : &l_strings[ ss_base + name ],
|
||
ifd,
|
||
index);
|
||
}
|
||
|
||
|
||
/* Print out information about a file descriptor, and the symbols,
|
||
procedures, and line numbers within it. */
|
||
|
||
void
|
||
print_file_desc (fdp, number)
|
||
FDR *fdp;
|
||
int number;
|
||
{
|
||
char *str_base;
|
||
AUXU *aux_base;
|
||
int symi, pdi;
|
||
int width = 20;
|
||
char *used_base;
|
||
|
||
str_base = l_strings + fdp->issBase;
|
||
aux_base = aux_symbols + fdp->iauxBase;
|
||
used_base = aux_used + (aux_base - aux_symbols);
|
||
|
||
printf ("\nFile #%d, \"%s\"\n\n", number, str_base + fdp->rss);
|
||
|
||
printf (" Name index = %-10d Readin = %s\n",
|
||
(long) fdp->rss, (fdp->fReadin) ? "Yes" : "No");
|
||
|
||
printf (" Merge = %-10s Endian = %s\n",
|
||
(fdp->fMerge) ? "Yes" : "No",
|
||
(fdp->fBigendian) ? "BIG" : "LITTLE");
|
||
|
||
printf (" Debug level = %-10s Language = %s\n",
|
||
glevel_to_string (fdp->glevel),
|
||
lang_to_string((lang_t) fdp->lang));
|
||
|
||
printf (" Adr = 0x%08lx\n\n", (long) fdp->adr);
|
||
|
||
printf(" %-*s %11s %11s %11s %11s\n", width, "Info", "Start", "Number", "Size", "Offset");
|
||
printf(" %-*s %11s %11s %11s %11s\n", width, "====", "=====", "======", "====", "======");
|
||
|
||
printf(" %-*s %11lu %11lu %11lu %11lu\n",
|
||
width, "Local strings",
|
||
(ulong) fdp->issBase,
|
||
(ulong) fdp->cbSs,
|
||
(ulong) fdp->cbSs,
|
||
(ulong) (fdp->issBase + sym_hdr.cbSsOffset));
|
||
|
||
printf(" %-*s %11lu %11u %11u %11lu\n",
|
||
width, "Local symbols",
|
||
(ulong) fdp->isymBase,
|
||
(ulong) fdp->csym,
|
||
(ulong) (fdp->csym * sizeof (SYMR)),
|
||
(ulong) (fdp->isymBase * sizeof (SYMR) + sym_hdr.cbSymOffset));
|
||
|
||
printf(" %-*s %11lu %11lu %11lu %11lu\n",
|
||
width, "Line numbers",
|
||
(ulong) fdp->cbLineOffset,
|
||
(ulong) fdp->cline,
|
||
(ulong) fdp->cline,
|
||
(ulong) (fdp->cbLineOffset + sym_hdr.cbLineOffset));
|
||
|
||
printf(" %-*s %11lu %11lu %11lu %11lu\n",
|
||
width, "Optimization symbols",
|
||
(ulong) fdp->ioptBase,
|
||
(ulong) fdp->copt,
|
||
(ulong) (fdp->copt * sizeof (OPTR)),
|
||
(ulong) (fdp->ioptBase * sizeof (OPTR) + sym_hdr.cbOptOffset));
|
||
|
||
printf(" %-*s %11llu %11lu %11lu %11lu\n",
|
||
width, "Procedures",
|
||
(ulong) fdp->ipdFirst,
|
||
(ulong) fdp->cpd,
|
||
(ulong) (fdp->cpd * sizeof (PDR)),
|
||
(ulong) (fdp->ipdFirst * sizeof (PDR) + sym_hdr.cbPdOffset));
|
||
|
||
printf(" %-*s %11lu %11lu %11lu %11lu\n",
|
||
width, "Auxiliary symbols",
|
||
(ulong) fdp->iauxBase,
|
||
(ulong) fdp->caux,
|
||
(ulong) (fdp->caux * sizeof (AUXU)),
|
||
(ulong) (fdp->iauxBase * sizeof(AUXU) + sym_hdr.cbAuxOffset));
|
||
|
||
printf(" %-*s %11lu %11lu %11lu %11lu\n",
|
||
width, "Relative Files",
|
||
(ulong) fdp->rfdBase,
|
||
(ulong) fdp->crfd,
|
||
(ulong) (fdp->crfd * sizeof (ulong)),
|
||
(ulong) (fdp->rfdBase * sizeof(ulong) + sym_hdr.cbRfdOffset));
|
||
|
||
|
||
if (want_scope && cur_scope != (scope_t *)0)
|
||
printf ("\n Warning scope does not start at 0!\n");
|
||
|
||
/*
|
||
* print the info about the symbol table.
|
||
*/
|
||
printf ("\n There are %lu local symbols, starting at %lu\n",
|
||
(ulong) fdp->csym,
|
||
(ulong) (fdp->isymBase + sym_hdr.cbSymOffset));
|
||
|
||
for(symi = fdp->isymBase; symi < (fdp->csym + fdp->isymBase); symi++)
|
||
print_symbol (&l_symbols[symi],
|
||
symi - fdp->isymBase,
|
||
str_base,
|
||
aux_base,
|
||
-1);
|
||
|
||
if (want_scope && cur_scope != (scope_t *)0)
|
||
printf ("\n Warning scope does not end at 0!\n");
|
||
|
||
/*
|
||
* print the aux. table if desired.
|
||
*/
|
||
|
||
if (want_aux && fdp->caux != 0)
|
||
{
|
||
int auxi;
|
||
|
||
printf ("\n There are %lu auxiliary table entries, starting at %lu.\n\n",
|
||
(ulong) fdp->caux,
|
||
(ulong) (fdp->iauxBase + sym_hdr.cbAuxOffset));
|
||
|
||
for (auxi = fdp->iauxBase; auxi < (fdp->caux + fdp->iauxBase); auxi++)
|
||
print_aux (aux_base[auxi], auxi, used_base[auxi]);
|
||
}
|
||
|
||
/*
|
||
* print the relative file descriptors.
|
||
*/
|
||
if (want_rfd && fdp->crfd != 0)
|
||
{
|
||
ulong *rfd_ptr, i;
|
||
|
||
printf ("\n There are %lu relative file descriptors, starting at %lu.\n",
|
||
(ulong) fdp->crfd,
|
||
(ulong) fdp->rfdBase);
|
||
|
||
rfd_ptr = rfile_desc + fdp->rfdBase * sizeof (ulong);
|
||
for (i = 0; i < fdp->crfd; i++)
|
||
{
|
||
printf ("\t#%-5ld %11ld, 0x%08lx\n", i, *rfd_ptr, *rfd_ptr);
|
||
rfd_ptr++;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* do the procedure descriptors.
|
||
*/
|
||
printf ("\n There are %lu procedure descriptor entries, ", (ulong) fdp->cpd);
|
||
printf ("starting at %lu.\n", (ulong) fdp->ipdFirst);
|
||
|
||
for (pdi = fdp->ipdFirst; pdi < (fdp->cpd + fdp->ipdFirst); pdi++)
|
||
{
|
||
PDR *proc_ptr = &proc_desc[pdi];
|
||
printf ("\n\tProcedure descriptor %d:\n", (pdi - fdp->ipdFirst));
|
||
|
||
printf ("\t Name index = %-11ld Name = \"%s\"\n",
|
||
(long) l_symbols[proc_ptr->isym + fdp->isymBase].iss,
|
||
l_symbols[proc_ptr->isym + fdp->isymBase].iss + str_base);
|
||
|
||
printf ("\t .mask 0x%08lx,%-9ld .fmask 0x%08lx,%ld\n",
|
||
(long) proc_ptr->regmask,
|
||
(long) proc_ptr->regoffset,
|
||
(long) proc_ptr->fregmask,
|
||
(long) proc_ptr->fregoffset);
|
||
|
||
printf ("\t .frame $%d,%ld,$%d\n",
|
||
(int) proc_ptr->framereg,
|
||
(long) proc_ptr->frameoffset,
|
||
(int) proc_ptr->pcreg);
|
||
|
||
printf ("\t Opt. start = %-11ld Symbols start = %ld\n",
|
||
(long) proc_ptr->iopt,
|
||
(long) proc_ptr->isym);
|
||
|
||
printf ("\t First line # = %-11ld Last line # = %ld\n",
|
||
(long) proc_ptr->lnLow,
|
||
(long) proc_ptr->lnHigh);
|
||
|
||
printf ("\t Line Offset = %-11ld Address = 0x%08lx\n",
|
||
(long) proc_ptr->cbLineOffset,
|
||
(long) proc_ptr->adr);
|
||
|
||
/*
|
||
* print the line number entries.
|
||
*/
|
||
|
||
if (want_line && fdp->cline != 0)
|
||
{
|
||
int delta, count;
|
||
long cur_line = proc_ptr->lnLow;
|
||
uchar *line_ptr = ((uchar *)lines) + proc_ptr->cbLineOffset;
|
||
uchar *line_end;
|
||
|
||
if (pdi == fdp->cpd + fdp->ipdFirst - 1) /* last procedure */
|
||
line_end = ((uchar *)lines) + fdp->cbLine + fdp->ilineBase;
|
||
else /* not last proc. */
|
||
line_end = ((uchar *)lines) + proc_desc[pdi+1].cbLineOffset;
|
||
|
||
|
||
printf ("\n\tThere are %lu bytes holding line numbers, starting at %lu.\n",
|
||
(ulong) (line_end - line_ptr),
|
||
(ulong) (fdp->ilineBase + sym_hdr.cbLineOffset));
|
||
|
||
while (line_ptr < line_end)
|
||
{ /* sign extend nibble */
|
||
delta = ((*line_ptr >> 4) ^ 0x8) - 0x8;
|
||
count = (*line_ptr & 0xf) + 1;
|
||
if (delta != -8)
|
||
line_ptr++;
|
||
else
|
||
{
|
||
delta = (((line_ptr[1]) & 0xff) << 8) + ((line_ptr[2]) & 0xff);
|
||
delta = (delta ^ 0x8000) - 0x8000;
|
||
line_ptr += 3;
|
||
}
|
||
|
||
cur_line += delta;
|
||
printf ("\t Line %11ld, delta %5d, count %2d\n",
|
||
cur_line,
|
||
delta,
|
||
count);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/* Read in the portions of the .T file that we will print out. */
|
||
|
||
void
|
||
read_tfile __proto((void))
|
||
{
|
||
short magic;
|
||
off_t sym_hdr_offset = 0;
|
||
|
||
/* Determine if this is a .T file (which has no file header), or some
|
||
sort of object file (which does have a file header) via the magic
|
||
number. */
|
||
(void) read_seek ((PTR_T) &magic, sizeof (magic), (off_t)0, "Magic number");
|
||
if (magic == MIPSELMAGIC || magic == MIPSEBMAGIC)
|
||
{
|
||
(void) read_seek ((PTR_T) &global_hdr, sizeof (global_hdr), (off_t)0,
|
||
"Global file header");
|
||
|
||
print_global_hdr (&global_hdr);
|
||
|
||
if (global_hdr.f_symptr == 0)
|
||
{
|
||
printf ("No symbolic header, Goodbye!\n");
|
||
exit (1);
|
||
}
|
||
|
||
sym_hdr_offset = global_hdr.f_symptr;
|
||
}
|
||
|
||
(void) read_seek ((PTR_T) &sym_hdr,
|
||
sizeof (sym_hdr),
|
||
sym_hdr_offset,
|
||
"Symbolic header");
|
||
|
||
print_sym_hdr (&sym_hdr);
|
||
|
||
lines = (LINER *) read_seek ((PTR_T)0,
|
||
sym_hdr.cbLine,
|
||
sym_hdr.cbLineOffset,
|
||
"Line numbers");
|
||
|
||
dense_nums = (DNR *) read_seek ((PTR_T)0,
|
||
sym_hdr.idnMax * sizeof (DNR),
|
||
sym_hdr.cbDnOffset,
|
||
"Dense numbers");
|
||
|
||
proc_desc = (PDR *) read_seek ((PTR_T)0,
|
||
sym_hdr.ipdMax * sizeof (PDR),
|
||
sym_hdr.cbPdOffset,
|
||
"Procedure tables");
|
||
|
||
l_symbols = (SYMR *) read_seek ((PTR_T)0,
|
||
sym_hdr.isymMax * sizeof (SYMR),
|
||
sym_hdr.cbSymOffset,
|
||
"Local symbols");
|
||
|
||
opt_symbols = (OPTR *) read_seek ((PTR_T)0,
|
||
sym_hdr.ioptMax * sizeof (OPTR),
|
||
sym_hdr.cbOptOffset,
|
||
"Optimization symbols");
|
||
|
||
aux_symbols = (AUXU *) read_seek ((PTR_T)0,
|
||
sym_hdr.iauxMax * sizeof (AUXU),
|
||
sym_hdr.cbAuxOffset,
|
||
"Auxiliary symbols");
|
||
|
||
if (sym_hdr.iauxMax > 0)
|
||
{
|
||
aux_used = calloc (sym_hdr.iauxMax, 1);
|
||
if (aux_used == (char *)0)
|
||
{
|
||
perror ("calloc");
|
||
exit (1);
|
||
}
|
||
}
|
||
|
||
l_strings = (char *) read_seek ((PTR_T)0,
|
||
sym_hdr.issMax,
|
||
sym_hdr.cbSsOffset,
|
||
"Local string table");
|
||
|
||
e_strings = (char *) read_seek ((PTR_T)0,
|
||
sym_hdr.issExtMax,
|
||
sym_hdr.cbSsExtOffset,
|
||
"External string table");
|
||
|
||
file_desc = (FDR *) read_seek ((PTR_T)0,
|
||
sym_hdr.ifdMax * sizeof (FDR),
|
||
sym_hdr.cbFdOffset,
|
||
"File tables");
|
||
|
||
rfile_desc = (ulong *) read_seek ((PTR_T)0,
|
||
sym_hdr.crfd * sizeof (ulong),
|
||
sym_hdr.cbRfdOffset,
|
||
"Relative file tables");
|
||
|
||
e_symbols = (EXTR *) read_seek ((PTR_T)0,
|
||
sym_hdr.iextMax * sizeof (EXTR),
|
||
sym_hdr.cbExtOffset,
|
||
"External symbols");
|
||
}
|
||
|
||
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char **argv;
|
||
{
|
||
int i, opt;
|
||
|
||
/*
|
||
* Process arguments
|
||
*/
|
||
while ((opt = getopt (argc, argv, "alrs")) != EOF)
|
||
switch (opt)
|
||
{
|
||
default: errors++; break;
|
||
case 'a': want_aux++; break; /* print aux table */
|
||
case 'l': want_line++; break; /* print line numbers */
|
||
case 'r': want_rfd++; break; /* print relative fd's */
|
||
case 's': want_scope++; break; /* print scope info */
|
||
}
|
||
|
||
if (errors || optind != argc - 1)
|
||
{
|
||
fprintf (stderr, "Calling Sequence:\n");
|
||
fprintf (stderr, "\t%0 [-alrs] <object-or-T-file>\n", argv[0]);
|
||
fprintf (stderr, "\n");
|
||
fprintf (stderr, "switches:\n");
|
||
fprintf (stderr, "\t-a Print out auxiliary table.\n");
|
||
fprintf (stderr, "\t-l Print out line numbers.\n");
|
||
fprintf (stderr, "\t-r Print out relative file descriptors.\n");
|
||
fprintf (stderr, "\t-s Print out the current scopes for an item.\n");
|
||
return 1;
|
||
}
|
||
|
||
/*
|
||
* Open and process the input file.
|
||
*/
|
||
tfile_fd = open (argv[optind], O_RDONLY);
|
||
if (tfile_fd < 0)
|
||
{
|
||
perror (argv[optind]);
|
||
return 1;
|
||
}
|
||
|
||
read_tfile ();
|
||
|
||
/*
|
||
* Print any global aux words if any.
|
||
*/
|
||
if (want_aux)
|
||
{
|
||
long last_aux_in_use;
|
||
|
||
if (sym_hdr.ifdMax != 0 && file_desc[0].iauxBase != 0)
|
||
{
|
||
printf ("\nGlobal auxiliary entries before first file:\n");
|
||
for (i = 0; i < file_desc[0].iauxBase; i++)
|
||
print_aux (aux_symbols[i], 0, aux_used[i]);
|
||
}
|
||
|
||
if (sym_hdr.ifdMax == 0)
|
||
last_aux_in_use = 0;
|
||
else
|
||
last_aux_in_use =
|
||
file_desc[sym_hdr.ifdMax-1].iauxBase +
|
||
file_desc[sym_hdr.ifdMax-1].caux - 1;
|
||
|
||
if (last_aux_in_use < sym_hdr.iauxMax-1)
|
||
{
|
||
printf ("\nGlobal auxiliary entries after last file:\n");
|
||
for (i = last_aux_in_use; i < sym_hdr.iauxMax; i++)
|
||
print_aux (aux_symbols[i], i - last_aux_in_use, aux_used[i]);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Print the information for each file.
|
||
*/
|
||
for (i = 0; i < sym_hdr.ifdMax; i++)
|
||
print_file_desc (&file_desc[i], i);
|
||
|
||
/*
|
||
* Print the external symbols.
|
||
*/
|
||
want_scope = 0; /* scope info is meaning for extern symbols */
|
||
printf ("\nThere are %lu external symbols, starting at %lu\n",
|
||
(ulong) sym_hdr.iextMax,
|
||
(ulong) sym_hdr.cbExtOffset);
|
||
|
||
for(i = 0; i < sym_hdr.iextMax; i++)
|
||
print_symbol (&e_symbols[i].asym, i, e_strings,
|
||
aux_symbols + file_desc[e_symbols[i].ifd].iauxBase,
|
||
e_symbols[i].ifd);
|
||
|
||
/*
|
||
* Print unused aux symbols now.
|
||
*/
|
||
|
||
if (want_aux)
|
||
{
|
||
int first_time = 1;
|
||
|
||
for (i = 0; i < sym_hdr.iauxMax; i++)
|
||
{
|
||
if (! aux_used[i])
|
||
{
|
||
if (first_time)
|
||
{
|
||
printf ("\nThe following auxiliary table entries were unused:\n\n");
|
||
first_time = 0;
|
||
}
|
||
|
||
printf (" #%-5d %11ld 0x%08lx %s\n",
|
||
i,
|
||
(long) aux_symbols[i].isym,
|
||
(long) aux_symbols[i].isym,
|
||
type_to_string (aux_symbols, i));
|
||
}
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
void
|
||
fancy_abort ()
|
||
{
|
||
fprintf (stderr, "mips-tdump internal error");
|
||
exit (1);
|
||
}
|
||
|
||
void
|
||
fatal(s)
|
||
char *s;
|
||
{
|
||
fprintf(stderr, "%s\n", s);
|
||
exit(1);
|
||
}
|
||
|
||
/* Same as `malloc' but report error if no memory available. */
|
||
|
||
PTR_T
|
||
xmalloc (size)
|
||
unsigned size;
|
||
{
|
||
register PTR_T value = malloc (size);
|
||
if (value == 0)
|
||
fatal ("Virtual memory exhausted.");
|
||
return value;
|
||
}
|