* Makefile.in (SFILES): Remove hpacc-abi.c.

(COMMON_OBS): Remove hpacc-abi.o.
	(ALLDEPFILES): Remove hpread.c and $(HPREAD_SOURCE).
	(hpacc-abi.o, hpread.o): Delete rules.
	* somread.c: Delete extern declarations from hpread.c.
	(som_symfile_read): Do not call do_pxdb or hpread_build_psymtabs.
	(som_symfile_finish): Do not call hpread_symfile_finish.
	(som_symfile_init): Do not call hpread_symfile_init.
	* config/pa/hppa64.mt (TDEPFILES): Remove hpread.o.
	* config/pa/hppahpux.mt (TDEPFILES): Likewise.
	* hpacc-abi.c, hpread.c: Deleted.

	* gdbint.texinfo (SOM): Correct location of the SOM reader.
This commit is contained in:
Daniel Jacobowitz 2007-04-10 11:58:15 +00:00
parent 542c95c200
commit 1a92f85678
9 changed files with 23 additions and 6694 deletions

View File

@ -1,3 +1,17 @@
2007-04-10 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.in (SFILES): Remove hpacc-abi.c.
(COMMON_OBS): Remove hpacc-abi.o.
(ALLDEPFILES): Remove hpread.c and $(HPREAD_SOURCE).
(hpacc-abi.o, hpread.o): Delete rules.
* somread.c: Delete extern declarations from hpread.c.
(som_symfile_read): Do not call do_pxdb or hpread_build_psymtabs.
(som_symfile_finish): Do not call hpread_symfile_finish.
(som_symfile_init): Do not call hpread_symfile_init.
* config/pa/hppa64.mt (TDEPFILES): Remove hpread.o.
* config/pa/hppahpux.mt (TDEPFILES): Likewise.
* hpacc-abi.c, hpread.c: Deleted.
2007-04-10 Daniel Jacobowitz <dan@codesourcery.com>
* solib-svr4.c (enable_break): Simplify return value.

View File

@ -538,7 +538,6 @@ SFILES = ada-exp.y ada-lang.c ada-typeprint.c ada-valprint.c \
frame-base.c \
frame-unwind.c \
gdbarch.c arch-utils.c gdbtypes.c gnu-v2-abi.c gnu-v3-abi.c \
hpacc-abi.c \
inf-loop.c \
infcall.c \
infcmd.c inflow.c infrun.c \
@ -971,7 +970,7 @@ COMMON_OBS = $(DEPFILES) $(CONFIG_OBS) $(YYOBJ) \
user-regs.o \
frame.o frame-unwind.o doublest.o \
frame-base.o \
gnu-v2-abi.o gnu-v3-abi.o hpacc-abi.o cp-abi.o cp-support.o \
gnu-v2-abi.o gnu-v3-abi.o cp-abi.o cp-support.o \
cp-namespace.o \
reggroups.o regset.o \
trad-frame.o \
@ -1456,7 +1455,6 @@ ALLDEPFILES = \
hppa-tdep.c hppa-hpux-tdep.c hppa-hpux-nat.c \
hppa-linux-tdep.c hppa-linux-nat.c \
hppabsd-nat.c hppabsd-tdep.c \
hpread.c \
i386-tdep.c i386-linux-nat.c \
i386v4-nat.c i386-cygwin-tdep.c \
i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c i386fbsd-tdep.c \
@ -1485,7 +1483,7 @@ ALLDEPFILES = \
mips64obsd-nat.c mips64obsd-tdep.c \
nbsd-nat.c nbsd-tdep.c obsd-tdep.c \
solib-osf.c \
somread.c solib-som.c $(HPREAD_SOURCE) \
somread.c solib-som.c \
posix-hdep.c \
ppc-sysv-tdep.c ppc-linux-nat.c ppc-linux-tdep.c \
ppcnbsd-nat.c ppcnbsd-tdep.c \
@ -2067,8 +2065,6 @@ go32-nat.o: go32-nat.c $(defs_h) $(inferior_h) $(gdb_wait_h) $(gdbcore_h) \
h8300-tdep.o: h8300-tdep.c $(defs_h) $(value_h) $(arch_utils_h) $(regcache_h) \
$(gdbcore_h) $(objfiles_h) $(gdb_assert_h) $(dis_asm_h) \
$(dwarf2_frame_h) $(frame_base_h) $(frame_unwind_h)
hpacc-abi.o: hpacc-abi.c $(defs_h) $(value_h) $(gdb_regex_h) $(gdb_string_h) \
$(gdbtypes_h) $(gdbcore_h) $(cp_abi_h) $(gnu_v2_abi_h)
hppabsd-nat.o: hppabsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
$(target_h) $(hppa_tdep_h) $(inf_ptrace_h)
hppabsd-tdep.o: hppabsd-tdep.c $(defs_h) $(arch_utils_h) $(symtab_h) \
@ -2095,10 +2091,6 @@ hppa-tdep.o: hppa-tdep.c $(defs_h) $(bfd_h) $(inferior_h) $(regcache_h) \
$(symtab_h) $(dis_asm_h) $(trad_frame_h) $(frame_unwind_h) \
$(frame_base_h) $(gdbcore_h) $(gdbcmd_h) $(objfiles_h) \
$(hppa_tdep_h) $(gdbtypes_h)
hpread.o: hpread.c $(defs_h) $(bfd_h) $(gdb_string_h) $(hp_symtab_h) \
$(syms_h) $(symtab_h) $(symfile_h) $(objfiles_h) $(buildsym_h) \
$(complaints_h) $(gdb_stabs_h) $(gdbtypes_h) $(demangle_h) \
$(solib_som_h) $(gdb_assert_h) $(hppa_tdep_h) $(gdb_string_h)
hpux-thread.o: hpux-thread.c $(defs_h) $(gdbthread_h) $(target_h) \
$(inferior_h) $(regcache_h) $(gdb_stat_h) $(gdbcore_h) \
$(hppa_tdep_h)

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@ -1,3 +1,3 @@
# Target: HP PA-RISC 2.0 running HPUX 11.00 in wide mode
TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o solib-som.o solib-pa64.o somread.o hpread.o solib.o
TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o solib-som.o solib-pa64.o somread.o solib.o
DEPRECATED_TM_FILE= tm-hppah.h

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@ -1,4 +1,4 @@
# Target: HP PA-RISC running hpux
MT_CFLAGS = -DPA_SOM_ONLY=1
TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o corelow.o somread.o hpread.o solib-som.o solib-pa64.o solib.o
TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o corelow.o somread.o solib-som.o solib-pa64.o solib.o
DEPRECATED_TM_FILE= tm-hppah.h

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@ -1,3 +1,7 @@
2007-04-10 Daniel Jacobowitz <dan@codesourcery.com>
* gdbint.texinfo (SOM): Correct location of the SOM reader.
2007-04-02 Bob Wilson <bob.wilson@acm.org>
* gdb.texinfo: Consistently capitalize all significant words in

View File

@ -2112,7 +2112,7 @@ The basic ELF reader is in @file{elfread.c}.
SOM is HP's object file and debug format (not to be confused with IBM's
SOM, which is a cross-language ABI).
The SOM reader is in @file{hpread.c}.
The SOM reader is in @file{somread.c}.
@section Debugging File Formats

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@ -1,326 +0,0 @@
/* Abstraction of HP aCC ABI.
Contributed by Daniel Berlin <dberlin@redhat.com>
Most of the real code is from HP, i've just fiddled it to fit in
the C++ ABI abstraction framework.
Copyright (C) 2001, 2005, 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "value.h"
#include "gdb_regex.h"
#include "gdb_string.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "cp-abi.h"
#include "gnu-v2-abi.h"
struct cp_abi_ops hpacc_abi_ops;
/* It appears the is_*_name stuff is never used when we try the hpACC
* ABI. As such, I have no clue what the real answers are. Shouldn't
* have any more effect than it does now. */
static regex_t constructor_pattern;
static regex_t destructor_pattern;
static regex_t operator_pattern;
static enum dtor_kinds
hpacc_is_destructor_name (const char *name)
{
if (regexec (&destructor_pattern, name, 0, 0, 0) == 0)
return complete_object_dtor;
else
return 0;
}
static enum ctor_kinds
hpacc_is_constructor_name (const char *name)
{
if (regexec (&constructor_pattern, name, 0, 0, 0) == 0)
return complete_object_ctor;
else
return 0;
}
static int
hpacc_is_operator_name (const char *name)
{
return regexec (&operator_pattern, name, 0, 0, 0) == 0;
}
static int
hpacc_is_vtable_name (const char *name)
{
return strcmp (name,
"This will never match anything, please fill it in") == 0;
}
/* Return a virtual function as a value.
ARG1 is the object which provides the virtual function
table pointer. *ARG1P is side-effected in calling this function.
F is the list of member functions which contains the desired virtual
function.
J is an index into F which provides the desired virtual function.
TYPE is the type in which F is located. */
static struct value *
hpacc_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
struct type * type, int offset)
{
struct value *arg1 = *arg1p;
struct type *type1 = check_typedef (value_type (arg1));
/* Deal with HP/Taligent runtime model for virtual functions */
struct value *vp;
struct value *argp; /* arg1 cast to base */
CORE_ADDR coreptr; /* pointer to target address */
int class_index; /* which class segment pointer to use */
struct type *ftype = TYPE_FN_FIELD_TYPE (f, j); /* method type */
argp = value_cast (type, *arg1p);
if (VALUE_ADDRESS (argp) == 0)
error (_("Address of object is null; object may not have been created."));
/* pai: FIXME -- 32x64 possible problem? */
/* First word (4 bytes) in object layout is the vtable pointer */
coreptr = *(CORE_ADDR *) (value_contents (argp)); /* pai: (temp) */
/* + offset + value_embedded_offset (argp)); */
if (!coreptr)
error
("Virtual table pointer is null for object; object may not have been created.");
/* pai/1997-05-09
* FIXME: The code here currently handles only
* the non-RRBC case of the Taligent/HP runtime spec; when RRBC
* is introduced, the condition for the "if" below will have to
* be changed to be a test for the RRBC case. */
if (1)
{
/* Non-RRBC case; the virtual function pointers are stored at fixed
* offsets in the virtual table. */
/* Retrieve the offset in the virtual table from the debug
* info. The offset of the vfunc's entry is in words from
* the beginning of the vtable; but first we have to adjust
* by HP_ACC_VFUNC_START to account for other entries */
/* pai: FIXME: 32x64 problem here, a word may be 8 bytes in
* which case the multiplier should be 8 and values should be long */
vp = value_at (builtin_type_int,
coreptr + 4 * (TYPE_FN_FIELD_VOFFSET (f, j) +
HP_ACC_VFUNC_START));
coreptr = *(CORE_ADDR *) (value_contents (vp));
/* coreptr now contains the address of the virtual function */
/* (Actually, it contains the pointer to the plabel for the function. */
}
else
{
/* RRBC case; the virtual function pointers are found by double
* indirection through the class segment tables. */
/* Choose class segment depending on type we were passed */
class_index = class_index_in_primary_list (type);
/* Find class segment pointer. These are in the vtable slots after
* some other entries, so adjust by HP_ACC_VFUNC_START for that. */
/* pai: FIXME 32x64 problem here, if words are 8 bytes long
* the multiplier below has to be 8 and value should be long. */
vp = value_at (builtin_type_int,
coreptr + 4 * (HP_ACC_VFUNC_START + class_index));
/* Indirect once more, offset by function index */
/* pai: FIXME 32x64 problem here, again multiplier could be 8 and value long */
coreptr =
*(CORE_ADDR *) (value_contents (vp) +
4 * TYPE_FN_FIELD_VOFFSET (f, j));
vp = value_at (builtin_type_int, coreptr);
coreptr = *(CORE_ADDR *) (value_contents (vp));
/* coreptr now contains the address of the virtual function */
/* (Actually, it contains the pointer to the plabel for the function.) */
}
if (!coreptr)
error (_("Address of virtual function is null; error in virtual table?"));
/* Wrap this addr in a value and return pointer */
vp = allocate_value (ftype);
deprecated_set_value_type (vp, ftype);
VALUE_ADDRESS (vp) = coreptr;
/* pai: (temp) do we need the value_ind stuff in value_fn_field? */
return vp;
}
static struct type *
hpacc_value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
{
struct type *known_type;
struct type *rtti_type;
CORE_ADDR coreptr;
struct value *vp;
int using_enclosing = 0;
long top_offset = 0;
char rtti_type_name[256];
if (full)
*full = 0;
if (top)
*top = -1;
if (using_enc)
*using_enc = 0;
/* Get declared type */
known_type = value_type (v);
CHECK_TYPEDEF (known_type);
/* RTTI works only or class objects */
if (TYPE_CODE (known_type) != TYPE_CODE_CLASS)
return NULL;
/* If neither the declared type nor the enclosing type of the
* value structure has a HP ANSI C++ style virtual table,
* we can't do anything. */
if (!TYPE_HAS_VTABLE (known_type))
{
known_type = value_enclosing_type (v);
CHECK_TYPEDEF (known_type);
if ((TYPE_CODE (known_type) != TYPE_CODE_CLASS) ||
!TYPE_HAS_VTABLE (known_type))
return NULL; /* No RTTI, or not HP-compiled types */
CHECK_TYPEDEF (known_type);
using_enclosing = 1;
}
if (using_enclosing && using_enc)
*using_enc = 1;
/* First get the virtual table address */
coreptr = *(CORE_ADDR *) ((value_contents_all (v))
+ value_offset (v)
+ (using_enclosing
? 0
: value_embedded_offset (v)));
if (coreptr == 0)
/* return silently -- maybe called on gdb-generated value */
return NULL;
/* Fetch the top offset of the object */
/* FIXME possible 32x64 problem with pointer size & arithmetic */
vp = value_at (builtin_type_int,
coreptr + 4 * HP_ACC_TOP_OFFSET_OFFSET);
top_offset = value_as_long (vp);
if (top)
*top = top_offset;
/* Fetch the typeinfo pointer */
/* FIXME possible 32x64 problem with pointer size & arithmetic */
vp = value_at (builtin_type_int, coreptr + 4 * HP_ACC_TYPEINFO_OFFSET);
/* Indirect through the typeinfo pointer and retrieve the pointer
* to the string name */
coreptr = *(CORE_ADDR *) (value_contents (vp));
if (!coreptr)
error (_("Retrieved null typeinfo pointer in trying to determine "
"run-time type"));
/* 4 -> offset of name field */
vp = value_at (builtin_type_int, coreptr + 4);
/* FIXME possible 32x64 problem */
coreptr = *(CORE_ADDR *) (value_contents (vp));
read_memory_string (coreptr, rtti_type_name, 256);
if (strlen (rtti_type_name) == 0)
error (_("Retrieved null type name from typeinfo"));
/* search for type */
rtti_type = lookup_typename (rtti_type_name, (struct block *) 0, 1);
if (!rtti_type)
error (_("Could not find run-time type: invalid type name %s in typeinfo??"),
rtti_type_name);
CHECK_TYPEDEF (rtti_type);
#if 0
printf ("RTTI type name %s, tag %s, full? %d\n", TYPE_NAME (rtti_type),
TYPE_TAG_NAME (rtti_type), full ? *full : -1);
#endif
/* Check whether we have the entire object */
if (full /* Non-null pointer passed */
&&
/* Either we checked on the whole object in hand and found the
top offset to be zero */
(((top_offset == 0) &&
using_enclosing &&
TYPE_LENGTH (known_type) == TYPE_LENGTH (rtti_type))
||
/* Or we checked on the embedded object and top offset was the
same as the embedded offset */
((top_offset == value_embedded_offset (v)) &&
!using_enclosing &&
TYPE_LENGTH (value_enclosing_type (v)) == TYPE_LENGTH (rtti_type))))
*full = 1;
return rtti_type;
}
static void
init_hpacc_ops (void)
{
hpacc_abi_ops.shortname = "hpaCC";
hpacc_abi_ops.longname = "HP aCC ABI";
hpacc_abi_ops.doc = "HP aCC ABI";
hpacc_abi_ops.is_destructor_name = hpacc_is_destructor_name;
hpacc_abi_ops.is_constructor_name = hpacc_is_constructor_name;
hpacc_abi_ops.is_vtable_name = hpacc_is_vtable_name;
hpacc_abi_ops.is_operator_name = hpacc_is_operator_name;
hpacc_abi_ops.virtual_fn_field = hpacc_virtual_fn_field;
hpacc_abi_ops.rtti_type = hpacc_value_rtti_type;
/* It seems that this function is specific to GNU G++ < 3.0.
However, it is called for data members even in the HP
case (although not for member functions).
FIXME: Is that correct? */
hpacc_abi_ops.baseclass_offset = gnuv2_baseclass_offset;
}
extern initialize_file_ftype _initialize_hpacc_abi; /* -Wmissing-prototypes */
void
_initialize_hpacc_abi (void)
{
init_hpacc_ops ();
regcomp (&constructor_pattern,
"^This will never match anything, please fill it in$", REG_NOSUB);
regcomp (&destructor_pattern,
"^This will never match anything, please fill it in$", REG_NOSUB);
regcomp (&operator_pattern,
"^This will never match anything, please fill it in$", REG_NOSUB);
register_cp_abi (&hpacc_abi_ops);
}

File diff suppressed because it is too large Load Diff

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@ -40,16 +40,6 @@
/* Prototypes for local functions. */
static int init_import_symbols (struct objfile *objfile);
/* FIXME: These should really be in a common header somewhere */
extern void hpread_build_psymtabs (struct objfile *, int);
extern void hpread_symfile_finish (struct objfile *);
extern void hpread_symfile_init (struct objfile *);
extern void do_pxdb (bfd *);
/*
LOCAL FUNCTION
@ -327,8 +317,6 @@ som_symfile_read (struct objfile *objfile, int mainline)
bfd *abfd = objfile->obfd;
struct cleanup *back_to;
do_pxdb (symfile_bfd_open (objfile->name));
init_minimal_symbol_collection ();
back_to = make_cleanup_discard_minimal_symbols ();
@ -363,12 +351,6 @@ som_symfile_read (struct objfile *objfile, int mainline)
This is emitted by gcc. */
stabsect_build_psymtabs (objfile, mainline,
"$GDB_SYMBOLS$", "$GDB_STRINGS$", "$TEXT$");
/* Now read the native debug information.
This builds the psymtab. This used to be done via a scan of
the DNTT, but is now done via the PXDB-built quick-lookup tables
together with a scan of the GNTT. See hp-psymtab-read.c. */
hpread_build_psymtabs (objfile, mainline);
}
/* Initialize anything that needs initializing when a completely new symbol
@ -396,7 +378,6 @@ som_symfile_finish (struct objfile *objfile)
{
xfree (objfile->deprecated_sym_stab_info);
}
hpread_symfile_finish (objfile);
}
/* SOM specific initialization routine for reading symbols. */
@ -408,7 +389,6 @@ som_symfile_init (struct objfile *objfile)
find this causes a significant slowdown in gdb then we could
set it in the debug symbol readers only when necessary. */
objfile->flags |= OBJF_REORDERED;
hpread_symfile_init (objfile);
}
/* SOM specific parsing routine for section offsets.