/* Read dbx symbol tables and convert to internal format, for GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004.
Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This module provides three functions: dbx_symfile_init,
which initializes to read a symbol file; dbx_new_init, which
#include "defs.h"
#include "gdb_string.h"
-#if defined(USG) || defined(__CYGNUSCLIB__)
+#if defined(__CYGNUSCLIB__)
#include <sys/types.h>
#include <fcntl.h>
#endif
#include "stabsread.h"
#include "gdb-stabs.h"
#include "demangle.h"
-#include "language.h" /* Needed for local_hex_string */
#include "complaints.h"
#include "cp-abi.h"
+
#include "gdb_assert.h"
+#include "gdb_string.h"
#include "aout/aout64.h"
#include "aout/stab_gnu.h" /* We always use GNU stabs, not native, now */
static void
unknown_symtype_complaint (const char *arg1)
{
- complaint (&symfile_complaints, "unknown symbol type %s", arg1);
+ complaint (&symfile_complaints, _("unknown symbol type %s"), arg1);
}
static void
lbrac_mismatch_complaint (int arg1)
{
complaint (&symfile_complaints,
- "N_LBRAC/N_RBRAC symbol mismatch at symtab pos %d", arg1);
+ _("N_LBRAC/N_RBRAC symbol mismatch at symtab pos %d"), arg1);
}
static void
repeated_header_complaint (const char *arg1, int arg2)
{
complaint (&symfile_complaints,
- "\"repeated\" header file %s not previously seen, at symtab pos %d",
+ _("\"repeated\" header file %s not previously seen, at symtab pos %d"),
arg1, arg2);
}
}
if (!found_any)
- error ("Can't find any code sections in symbol file");
+ error (_("Can't find any code sections in symbol file"));
DBX_TEXT_ADDR (objfile) = start;
DBX_TEXT_SIZE (objfile) = end - start;
Record it as global even if it's local, not global, so
lookup_minimal_symbol can find it. We don't check symbol_leading_char
because for SunOS4 it always is '_'. */
- if (name[8] == 'C' && DEPRECATED_STREQ ("__DYNAMIC", name))
+ if (name[8] == 'C' && strcmp ("__DYNAMIC", name) == 0)
ms_type = mst_data;
/* Same with virtual function tables, both global and static. */
unsigned char size_temp[DBX_STRINGTAB_SIZE_SIZE];
/* Allocate struct to keep track of the symfile */
- objfile->sym_stab_info = (struct dbx_symfile_info *)
- xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
- memset (objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
+ objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *)
+ xmalloc (sizeof (struct dbx_symfile_info));
+ memset (objfile->deprecated_sym_stab_info, 0, sizeof (struct dbx_symfile_info));
DBX_TEXT_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
DBX_DATA_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".data");
text_sect = bfd_get_section_by_name (sym_bfd, ".text");
if (!text_sect)
- error ("Can't find .text section in symbol file");
+ error (_("Can't find .text section in symbol file"));
DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
if (DBX_STRINGTAB_SIZE (objfile) < sizeof (size_temp)
|| DBX_STRINGTAB_SIZE (objfile) > bfd_get_size (sym_bfd))
- error ("ridiculous string table size (%d bytes).",
+ error (_("ridiculous string table size (%d bytes)."),
DBX_STRINGTAB_SIZE (objfile));
DBX_STRINGTAB (objfile) =
static void
dbx_symfile_finish (struct objfile *objfile)
{
- if (objfile->sym_stab_info != NULL)
+ if (objfile->deprecated_sym_stab_info != NULL)
{
if (HEADER_FILES (objfile) != NULL)
{
}
xfree (hfiles);
}
- xmfree (objfile->md, objfile->sym_stab_info);
+ xfree (objfile->deprecated_sym_stab_info);
}
free_header_files ();
}
if (nbytes < 0)
perror_with_name (bfd_get_filename (sym_bfd));
else if (nbytes == 0)
- error ("Premature end of file reading symbol table");
+ error (_("Premature end of file reading symbol table"));
symbuf_end = nbytes / symbol_size;
symbuf_idx = 0;
symbuf_left -= nbytes;
{
bincls_allocated = number;
next_bincl = bincl_list = (struct header_file_location *)
- xmmalloc (objfile->md, bincls_allocated * sizeof (struct header_file_location));
+ xmalloc (bincls_allocated * sizeof (struct header_file_location));
}
/* Add a bincl to the list. */
int offset = next_bincl - bincl_list;
bincls_allocated *= 2;
bincl_list = (struct header_file_location *)
- xmrealloc (pst->objfile->md, (char *) bincl_list,
- bincls_allocated * sizeof (struct header_file_location));
+ xrealloc ((char *) bincl_list,
+ bincls_allocated * sizeof (struct header_file_location));
next_bincl = bincl_list + offset;
}
next_bincl->pst = pst;
static void
free_bincl_list (struct objfile *objfile)
{
- xmfree (objfile->md, bincl_list);
+ xfree (bincl_list);
bincls_allocated = 0;
}
if (((unsigned) nlist.n_strx + file_string_table_offset) >=
DBX_STRINGTAB_SIZE (objfile))
{
- complaint (&symfile_complaints, "bad string table offset in symbol %d",
+ complaint (&symfile_complaints, _("bad string table offset in symbol %d"),
symnum);
namestring = "<bad string table offset>";
}
do_cleanups (back_to);
}
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
static CORE_ADDR
find_stab_function_addr (char *namestring, char *filename,
struct objfile *objfile)
return msym == NULL ? 0 : SYMBOL_VALUE_ADDRESS (msym);
}
-#endif /* SOFUN_ADDRESS_MAYBE_MISSING */
static void
function_outside_compilation_unit_complaint (const char *arg1)
{
complaint (&symfile_complaints,
- "function `%s' appears to be defined outside of all compilation units",
+ _("function `%s' appears to be defined outside of all compilation units"),
arg1);
}
next_file_string_table_offset =
file_string_table_offset + nlist.n_value;
if (next_file_string_table_offset < file_string_table_offset)
- error ("string table offset backs up at %d", symnum);
+ error (_("string table offset backs up at %d"), symnum);
/* FIXME -- replace error() with complaint. */
continue;
}
static int prev_so_symnum = -10;
static int first_so_symnum;
char *p;
+ static char *dirname_nso;
int prev_textlow_not_set;
valu = nlist.n_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
prev_textlow_not_set = textlow_not_set;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* A zero value is probably an indication for the SunPRO 3.0
compiler. end_psymtab explicitly tests for zero, so
don't relocate it. */
- if (nlist.n_value == 0)
+ if (nlist.n_value == 0
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
textlow_not_set = 1;
valu = 0;
}
else
textlow_not_set = 0;
-#else
- textlow_not_set = 0;
-#endif
+
past_first_source_file = 1;
if (prev_so_symnum != symnum - 1)
p = strrchr (namestring, '/');
if (p && *(p + 1) == '\000')
- continue; /* Simply ignore directory name SOs */
+ {
+ /* Save the directory name SOs locally, then save it into
+ the psymtab when it's created below. */
+ dirname_nso = namestring;
+ continue;
+ }
/* Some other compilers (C++ ones in particular) emit useless
SOs for non-existant .c files. We ignore all subsequent SOs that
immediately follow the first. */
if (!pst)
+ {
pst = start_psymtab (objfile,
namestring, valu,
first_so_symnum * symbol_size,
objfile->global_psymbols.next,
objfile->static_psymbols.next);
+ pst->dirname = dirname_nso;
+ dirname_nso = NULL;
+ }
continue;
}
/* FIXME: we should not get here without a PST to work on.
Attempt to recover. */
complaint (&symfile_complaints,
- "N_BINCL %s not in entries for any file, at symtab pos %d",
+ _("N_BINCL %s not in entries for any file, at symtab pos %d"),
namestring, symnum);
continue;
}
{
case 'S':
nlist.n_value += ANOFFSET (objfile->section_offsets, data_sect_index);
-#ifdef STATIC_TRANSFORM_NAME
- namestring = STATIC_TRANSFORM_NAME (namestring);
-#endif
+
+ if (gdbarch_static_transform_name_p (current_gdbarch))
+ namestring = gdbarch_static_transform_name
+ (current_gdbarch, namestring);
+
add_psymbol_to_list (namestring, p - namestring,
VAR_DOMAIN, LOC_STATIC,
&objfile->static_psymbols,
function_outside_compilation_unit_complaint (name);
xfree (name);
}
- nlist.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ nlist.n_value += ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile));
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
if (nlist.n_value == ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile)))
+ SECT_OFF_TEXT (objfile))
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
CORE_ADDR minsym_valu =
- find_stab_function_addr (namestring, pst->filename, objfile);
+ find_stab_function_addr (namestring,
+ pst ? pst->filename : NULL,
+ objfile);
/* find_stab_function_addr will return 0 if the minimal
symbol wasn't found. (Unfortunately, this might also
be a valid address.) Anyway, if it *does* return 0,
if (minsym_valu != 0)
nlist.n_value = minsym_valu;
}
- if (pst && textlow_not_set)
+ if (pst && textlow_not_set
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
pst->textlow = nlist.n_value;
textlow_not_set = 0;
}
-#endif
/* End kludge. */
/* Keep track of the start of the last function so we
function_outside_compilation_unit_complaint (name);
xfree (name);
}
- nlist.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
+ nlist.n_value += ANOFFSET (objfile->section_offsets,
+ SECT_OFF_TEXT (objfile));
/* Kludges for ELF/STABS with Sun ACC */
last_function_name = namestring;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
if (nlist.n_value == ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile)))
+ SECT_OFF_TEXT (objfile))
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
CORE_ADDR minsym_valu =
- find_stab_function_addr (namestring, pst->filename, objfile);
+ find_stab_function_addr (namestring,
+ pst ? pst->filename : NULL,
+ objfile);
/* find_stab_function_addr will return 0 if the minimal
symbol wasn't found. (Unfortunately, this might also
be a valid address.) Anyway, if it *does* return 0,
if (minsym_valu != 0)
nlist.n_value = minsym_valu;
}
- if (pst && textlow_not_set)
+ if (pst && textlow_not_set
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
pst->textlow = nlist.n_value;
textlow_not_set = 0;
}
-#endif
/* End kludge. */
/* Keep track of the start of the last function so we
time searching to the end of every string looking for
a backslash. */
- complaint (&symfile_complaints, "unknown symbol descriptor `%c'",
+ complaint (&symfile_complaints, _("unknown symbol descriptor `%c'"),
p[1]);
/* Ignore it; perhaps it is an extension that we don't
continue;
case N_ENDM:
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Solaris 2 end of module, finish current partial symbol table.
end_psymtab will set pst->texthigh to the proper value, which
is necessary if a module compiled without debugging info
follows this module. */
- if (pst)
+ if (pst && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
end_psymtab (pst, psymtab_include_list, includes_used,
symnum * symbol_size,
includes_used = 0;
dependencies_used = 0;
}
-#endif
continue;
case N_RBRAC:
default:
/* If we haven't found it yet, ignore it. It's probably some
new type we don't know about yet. */
- unknown_symtype_complaint (local_hex_string (nlist.n_type));
+ unknown_symtype_complaint (hex_string (nlist.n_type));
continue;
}
}
STRING_OFFSET (result) = string_table_offset;
FILE_STRING_OFFSET (result) = file_string_table_offset;
+#ifdef HAVE_ELF
/* If we're handling an ELF file, drag some section-relocation info
for this source file out of the ELF symbol table, to compensate for
Sun brain death. This replaces the section_offsets in this psymtab,
if successful. */
elfstab_offset_sections (objfile, result);
+#endif
/* Deduce the source language from the filename for this psymtab. */
psymtab_language = deduce_language_from_filename (filename);
LDSYMLEN (pst) = capping_symbol_offset - LDSYMOFF (pst);
pst->texthigh = capping_text;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Under Solaris, the N_SO symbols always have a value of 0,
instead of the usual address of the .o file. Therefore,
we have to do some tricks to fill in texthigh and textlow.
a reliable texthigh by taking the address plus size of the
last function in the file. */
- if (pst->texthigh == 0 && last_function_name)
+ if (pst->texthigh == 0 && last_function_name
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
char *p;
int n;
last_function_name = NULL;
}
+ if (!gdbarch_sofun_address_maybe_missing (current_gdbarch))
+ ;
/* this test will be true if the last .o file is only data */
- if (textlow_not_set)
+ else if (textlow_not_set)
pst->textlow = pst->texthigh;
else
{
}
/* End of kludge for patching Solaris textlow and texthigh. */
-#endif /* SOFUN_ADDRESS_MAYBE_MISSING. */
pst->n_global_syms =
objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
{
const char *tempstring = namestring;
- if (DEPRECATED_STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
+ if (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 1;
- else if (DEPRECATED_STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
+ else if (strcmp (namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 2;
if (tempstring[0] == bfd_get_symbol_leading_char (symfile_bfd))
++tempstring;
- if (DEPRECATED_STREQN (tempstring, "__gnu_compiled", 14))
+ if (strncmp (tempstring, "__gnu_compiled", 14) == 0)
processing_gcc_compilation = 2;
}
fill_symbuf (abfd);
bufp = &symbuf[symbuf_idx];
if (bfd_h_get_8 (abfd, bufp->e_type) != N_SO)
- error ("First symbol in segment of executable not a source symbol");
+ error (_("First symbol in segment of executable not a source symbol"));
max_symnum = sym_size / symbol_size;
However, there is no reason not to accept
the GCC_COMPILED_FLAG_SYMBOL anywhere. */
- if (DEPRECATED_STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
+ if (strcmp (namestring, GCC_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 1;
- else if (DEPRECATED_STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
+ else if (strcmp (namestring, GCC2_COMPILED_FLAG_SYMBOL) == 0)
processing_gcc_compilation = 2;
#if 0
}
}
- current_objfile = NULL;
-
/* In a Solaris elf file, this variable, which comes from the
value of the N_SO symbol, will still be 0. Luckily, text_offset,
which comes from pst->textlow is correct. */
pst->symtab = end_symtab (text_offset + text_size, objfile, SECT_OFF_TEXT (objfile));
end_stabs ();
+
+ current_objfile = NULL;
}
\f
DESC is the desc field of the ".stab" entry.
VALU is the value field of the ".stab" entry.
NAME is the symbol name, in our address space.
- SECTION_OFFSETS is a set of amounts by which the sections of this object
- file were relocated when it was loaded into memory.
- Note that these section_offsets are not the
- objfile->section_offsets but the pst->section_offsets.
- All symbols that refer
- to memory locations need to be offset by these amounts.
- OBJFILE is the object file from which we are reading symbols.
- It is used in end_symtab. */
+ SECTION_OFFSETS is a set of amounts by which the sections of this
+ object file were relocated when it was loaded into memory. Note
+ that these section_offsets are not the objfile->section_offsets but
+ the pst->section_offsets. All symbols that refer to memory
+ locations need to be offset by these amounts.
+ OBJFILE is the object file from which we are reading symbols. It
+ is used in end_symtab. */
void
process_one_symbol (int type, int desc, CORE_ADDR valu, char *name,
struct section_offsets *section_offsets,
struct objfile *objfile)
{
-#ifdef SUN_FIXED_LBRAC_BUG
- /* If SUN_FIXED_LBRAC_BUG is defined, then it tells us whether we need
- to correct the address of N_LBRAC's. If it is not defined, then
- we never need to correct the addresses. */
-
- /* This records the last pc address we've seen. We depend on there being
- an SLINE or FUN or SO before the first LBRAC, since the variable does
- not get reset in between reads of different symbol files. */
- static CORE_ADDR last_pc_address;
-#endif
-
struct context_stack *new;
- /* This remembers the address of the start of a function. It is used
- because in Solaris 2, N_LBRAC, N_RBRAC, and N_SLINE entries are
- relative to the current function's start address. On systems
- other than Solaris 2, this just holds the SECT_OFF_TEXT value, and is
- used to relocate these symbol types rather than SECTION_OFFSETS. */
+ /* This remembers the address of the start of a function. It is
+ used because in Solaris 2, N_LBRAC, N_RBRAC, and N_SLINE entries
+ are relative to the current function's start address. On systems
+ other than Solaris 2, this just holds the SECT_OFF_TEXT value,
+ and is used to relocate these symbol types rather than
+ SECTION_OFFSETS. */
static CORE_ADDR function_start_offset;
- /* This holds the address of the start of a function, without the system
- peculiarities of function_start_offset. */
+ /* This holds the address of the start of a function, without the
+ system peculiarities of function_start_offset. */
static CORE_ADDR last_function_start;
/* If this is nonzero, we've seen an N_SLINE since the start of the
value is. */
static int sline_found_in_function = 1;
- /* If this is nonzero, we've seen a non-gcc N_OPT symbol for this source
- file. Used to detect the SunPRO solaris compiler. */
+ /* If this is nonzero, we've seen a non-gcc N_OPT symbol for this
+ source file. Used to detect the SunPRO solaris compiler. */
static int n_opt_found;
/* The stab type used for the definition of the last function.
static int function_stab_type = 0;
if (!block_address_function_relative)
- /* N_LBRAC, N_RBRAC and N_SLINE entries are not relative to the
- function start address, so just use the text offset. */
- function_start_offset = ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ {
+ /* N_LBRAC, N_RBRAC and N_SLINE entries are not relative to the
+ function start address, so just use the text offset. */
+ function_start_offset =
+ ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ }
- /* Something is wrong if we see real data before
- seeing a source file name. */
+ /* Something is wrong if we see real data before seeing a source
+ file name. */
if (last_source_file == NULL && type != (unsigned char) N_SO)
{
if (*name == '\000')
{
- /* This N_FUN marks the end of a function. This closes off the
- current block. */
+ /* This N_FUN marks the end of a function. This closes off
+ the current block. */
if (context_stack_depth <= 0)
{
/* The following check is added before recording line 0 at
end of function so as to handle hand-generated stabs
- which may have an N_FUN stabs at the end of the function, but
- no N_SLINE stabs. */
+ which may have an N_FUN stabs at the end of the function,
+ but no N_SLINE stabs. */
if (sline_found_in_function)
record_line (current_subfile, 0, last_function_start + valu);
sline_found_in_function = 0;
- /* Relocate for dynamic loading */
+ /* Relocate for dynamic loading. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
- valu = SMASH_TEXT_ADDRESS (valu);
+ valu = gdbarch_smash_text_address (current_gdbarch, valu);
last_function_start = valu;
goto define_a_symbol;
N_SO, the linker did not relocate them (sigh). */
valu += last_source_start_addr;
-#ifdef SUN_FIXED_LBRAC_BUG
- if (!SUN_FIXED_LBRAC_BUG && valu < last_pc_address)
- {
- /* Patch current LBRAC pc value to match last handy pc value */
- complaint (&symfile_complaints, "bad block start address patched");
- valu = last_pc_address;
- }
-#endif
new = push_context (desc, valu);
break;
if (desc != new->depth)
lbrac_mismatch_complaint (symnum);
- /* Some compilers put the variable decls inside of an
- LBRAC/RBRAC block. This macro should be nonzero if this
- is true. DESC is N_DESC from the N_RBRAC symbol.
- GCC_P is true if we've detected the GCC_COMPILED_SYMBOL
- or the GCC2_COMPILED_SYMBOL. */
-#if !defined (VARIABLES_INSIDE_BLOCK)
-#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) 0
-#endif
-
- /* Can only use new->locals as local symbols here if we're in
- gcc or on a machine that puts them before the lbrack. */
- if (!VARIABLES_INSIDE_BLOCK (desc, processing_gcc_compilation))
+ if (local_symbols != NULL)
{
- if (local_symbols != NULL)
- {
- /* GCC development snapshots from March to December of
- 2000 would output N_LSYM entries after N_LBRAC
- entries. As a consequence, these symbols are simply
- discarded. Complain if this is the case. Note that
- there are some compilers which legitimately put local
- symbols within an LBRAC/RBRAC block; this complaint
- might also help sort out problems in which
- VARIABLES_INSIDE_BLOCK is incorrectly defined. */
- complaint (&symfile_complaints,
- "misplaced N_LBRAC entry; discarding local symbols which have no enclosing block");
- }
- local_symbols = new->locals;
+ /* GCC development snapshots from March to December of
+ 2000 would output N_LSYM entries after N_LBRAC
+ entries. As a consequence, these symbols are simply
+ discarded. Complain if this is the case. */
+ complaint (&symfile_complaints, _("\
+misplaced N_LBRAC entry; discarding local symbols which have \
+no enclosing block"));
}
+ local_symbols = new->locals;
- if (context_stack_depth
- > !VARIABLES_INSIDE_BLOCK (desc, processing_gcc_compilation))
+ if (context_stack_depth > 1)
{
- /* This is not the outermost LBRAC...RBRAC pair in the function,
- its local symbols preceded it, and are the ones just recovered
- from the context stack. Define the block for them (but don't
- bother if the block contains no symbols. Should we complain
- on blocks without symbols? I can't think of any useful purpose
- for them). */
+ /* This is not the outermost LBRAC...RBRAC pair in the
+ function, its local symbols preceded it, and are the ones
+ just recovered from the context stack. Define the block
+ for them (but don't bother if the block contains no
+ symbols. Should we complain on blocks without symbols?
+ I can't think of any useful purpose for them). */
if (local_symbols != NULL)
{
- /* Muzzle a compiler bug that makes end < start. (which
- compilers? Is this ever harmful?). */
+ /* Muzzle a compiler bug that makes end < start.
+
+ ??? Which compilers? Is this ever harmful?. */
if (new->start_addr > valu)
{
complaint (&symfile_complaints,
- "block start larger than block end");
+ _("block start larger than block end"));
new->start_addr = valu;
}
/* Make a block for the local symbols within. */
within_function = 0;
}
- if (VARIABLES_INSIDE_BLOCK (desc, processing_gcc_compilation))
- /* Now pop locals of block just finished. */
- local_symbols = new->locals;
break;
case N_FN:
case N_FN_SEQ:
- /* This kind of symbol indicates the start of an object file. */
- /* Relocate for dynamic loading */
+ /* This kind of symbol indicates the start of an object file.
+ Relocate for dynamic loading. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
break;
case N_SO:
- /* This type of symbol indicates the start of data
- for one source file.
- Finish the symbol table of the previous source file
- (if any) and start accumulating a new symbol table. */
- /* Relocate for dynamic loading */
+ /* This type of symbol indicates the start of data for one
+ source file. Finish the symbol table of the previous source
+ file (if any) and start accumulating a new symbol table.
+ Relocate for dynamic loading. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
n_opt_found = 0;
-#ifdef SUN_FIXED_LBRAC_BUG
- last_pc_address = valu; /* Save for SunOS bug circumcision */
-#endif
-
-#ifdef PCC_SOL_BROKEN
- /* pcc bug, occasionally puts out SO for SOL. */
- if (context_stack_depth > 0)
- {
- start_subfile (name, NULL);
- break;
- }
-#endif
if (last_source_file)
{
/* Check if previous symbol was also an N_SO (with some
- sanity checks). If so, that one was actually the directory
- name, and the current one is the real file name.
- Patch things up. */
+ sanity checks). If so, that one was actually the
+ directory name, and the current one is the real file
+ name. Patch things up. */
if (previous_stab_code == (unsigned char) N_SO)
{
patch_subfile_names (current_subfile, name);
end_stabs ();
}
- /* Null name means this just marks the end of text for this .o file.
- Don't start a new symtab in this case. */
+ /* Null name means this just marks the end of text for this .o
+ file. Don't start a new symtab in this case. */
if (*name == '\000')
break;
break;
case N_SOL:
- /* This type of symbol indicates the start of data for
- a sub-source-file, one whose contents were copied or
- included in the compilation of the main source file
- (whose name was given in the N_SO symbol.) */
- /* Relocate for dynamic loading */
+ /* This type of symbol indicates the start of data for a
+ sub-source-file, one whose contents were copied or included
+ in the compilation of the main source file (whose name was
+ given in the N_SO symbol). Relocate for dynamic loading. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
start_subfile (name, current_subfile->dirname);
break;
break;
case N_SLINE:
- /* This type of "symbol" really just records
- one line-number -- core-address correspondence.
- Enter it in the line list for this symbol table. */
+ /* This type of "symbol" really just records one line-number --
+ core-address correspondence. Enter it in the line list for
+ this symbol table. */
- /* Relocate for dynamic loading and for ELF acc fn-relative syms. */
+ /* Relocate for dynamic loading and for ELF acc
+ function-relative symbols. */
valu += function_start_offset;
-#ifdef SUN_FIXED_LBRAC_BUG
- last_pc_address = valu; /* Save for SunOS bug circumcision */
-#endif
- /* If this is the first SLINE note in the function, record it at
- the start of the function instead of at the listed location. */
+ /* GCC 2.95.3 emits the first N_SLINE stab somwehere in the
+ middle of the prologue instead of right at the start of the
+ function. To deal with this we record the address for the
+ first N_SLINE stab to be the start of the function instead of
+ the listed location. We really shouldn't to this. When
+ compiling with optimization, this first N_SLINE stab might be
+ optimized away. Other (non-GCC) compilers don't emit this
+ stab at all. There is no real harm in having an extra
+ numbered line, although it can be a bit annoying for the
+ user. However, it totally screws up our testsuite.
+
+ So for now, keep adjusting the address of the first N_SLINE
+ stab, but only for code compiled with GCC. */
+
if (within_function && sline_found_in_function == 0)
{
- record_line (current_subfile, desc, last_function_start);
+ if (processing_gcc_compilation == 2)
+ record_line (current_subfile, desc, last_function_start);
+ else
+ record_line (current_subfile, desc, valu);
sline_found_in_function = 1;
}
else
common_block_end (objfile);
break;
- /* The following symbol types need to have the appropriate offset added
- to their value; then we process symbol definitions in the name. */
+ /* The following symbol types need to have the appropriate
+ offset added to their value; then we process symbol
+ definitions in the name. */
- case N_STSYM: /* Static symbol in data seg */
- case N_LCSYM: /* Static symbol in BSS seg */
- case N_ROSYM: /* Static symbol in Read-only data seg */
+ case N_STSYM: /* Static symbol in data segment. */
+ case N_LCSYM: /* Static symbol in BSS segment. */
+ case N_ROSYM: /* Static symbol in read-only data segment. */
/* HORRID HACK DEPT. However, it's Sun's furgin' fault.
- Solaris2's stabs-in-elf makes *most* symbols relative
- but leaves a few absolute (at least for Solaris 2.1 and version
- 2.0.1 of the SunPRO compiler). N_STSYM and friends sit on the fence.
- .stab "foo:S...",N_STSYM is absolute (ld relocates it)
- .stab "foo:V...",N_STSYM is relative (section base subtracted).
- This leaves us no choice but to search for the 'S' or 'V'...
- (or pass the whole section_offsets stuff down ONE MORE function
- call level, which we really don't want to do). */
+ Solaris 2's stabs-in-elf makes *most* symbols relative but
+ leaves a few absolute (at least for Solaris 2.1 and version
+ 2.0.1 of the SunPRO compiler). N_STSYM and friends sit on
+ the fence. .stab "foo:S...",N_STSYM is absolute (ld
+ relocates it) .stab "foo:V...",N_STSYM is relative (section
+ base subtracted). This leaves us no choice but to search for
+ the 'S' or 'V'... (or pass the whole section_offsets stuff
+ down ONE MORE function call level, which we really don't want
+ to do). */
{
char *p;
- /* .o files and NLMs have non-zero text seg offsets, but don't need
- their static syms offset in this fashion. XXX - This is really a
- crock that should be fixed in the solib handling code so that I
- don't have to work around it here. */
+ /* Normal object file and NLMs have non-zero text seg offsets,
+ but don't need their static syms offset in this fashion.
+ XXX - This is really a crock that should be fixed in the
+ solib handling code so that I don't have to work around it
+ here. */
if (!symfile_relocatable)
{
if (p != 0 && p[1] == 'S')
{
/* The linker relocated it. We don't want to add an
- elfstab_offset_sections-type offset, but we *do* want
- to add whatever solib.c passed to symbol_file_add as
- addr (this is known to affect SunOS4, and I suspect ELF
- too). Since elfstab_offset_sections currently does not
- muck with the text offset (there is no Ttext.text
+ elfstab_offset_sections-type offset, but we *do*
+ want to add whatever solib.c passed to
+ symbol_file_add as addr (this is known to affect
+ SunOS 4, and I suspect ELF too). Since
+ elfstab_offset_sections currently does not muck
+ with the text offset (there is no Ttext.text
symbol), we can get addr from the text offset. If
- elfstab_offset_sections ever starts dealing with the
- text offset, and we still need to do this, we need to
- invent a SECT_OFF_ADDR_KLUDGE or something. */
+ elfstab_offset_sections ever starts dealing with
+ the text offset, and we still need to do this, we
+ need to invent a SECT_OFF_ADDR_KLUDGE or something. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
goto define_a_symbol;
}
}
- /* Since it's not the kludge case, re-dispatch to the right handler. */
+ /* Since it's not the kludge case, re-dispatch to the right
+ handler. */
switch (type)
{
case N_STSYM:
case N_ROSYM:
goto case_N_ROSYM;
default:
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
}
}
- case_N_STSYM: /* Static symbol in data seg */
- case N_DSLINE: /* Source line number, data seg */
+ case_N_STSYM: /* Static symbol in data segment. */
+ case N_DSLINE: /* Source line number, data segment. */
valu += ANOFFSET (section_offsets, SECT_OFF_DATA (objfile));
goto define_a_symbol;
- case_N_LCSYM: /* Static symbol in BSS seg */
- case N_BSLINE: /* Source line number, bss seg */
- /* N_BROWS: overlaps with N_BSLINE */
+ case_N_LCSYM: /* Static symbol in BSS segment. */
+ case N_BSLINE: /* Source line number, BSS segment. */
+ /* N_BROWS: overlaps with N_BSLINE. */
valu += ANOFFSET (section_offsets, SECT_OFF_BSS (objfile));
goto define_a_symbol;
- case_N_ROSYM: /* Static symbol in Read-only data seg */
+ case_N_ROSYM: /* Static symbol in read-only data segment. */
valu += ANOFFSET (section_offsets, SECT_OFF_RODATA (objfile));
goto define_a_symbol;
- case N_ENTRY: /* Alternate entry point */
- /* Relocate for dynamic loading */
+ case N_ENTRY: /* Alternate entry point. */
+ /* Relocate for dynamic loading. */
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
goto define_a_symbol;
- /* The following symbol types we don't know how to process. Handle
- them in a "default" way, but complain to people who care. */
+ /* The following symbol types we don't know how to process.
+ Handle them in a "default" way, but complain to people who
+ care. */
default:
- case N_CATCH: /* Exception handler catcher */
- case N_EHDECL: /* Exception handler name */
- case N_PC: /* Global symbol in Pascal */
- case N_M2C: /* Modula-2 compilation unit */
- /* N_MOD2: overlaps with N_EHDECL */
- case N_SCOPE: /* Modula-2 scope information */
- case N_ECOML: /* End common (local name) */
- case N_NBTEXT: /* Gould Non-Base-Register symbols??? */
+ case N_CATCH: /* Exception handler catcher. */
+ case N_EHDECL: /* Exception handler name. */
+ case N_PC: /* Global symbol in Pascal. */
+ case N_M2C: /* Modula-2 compilation unit. */
+ /* N_MOD2: overlaps with N_EHDECL. */
+ case N_SCOPE: /* Modula-2 scope information. */
+ case N_ECOML: /* End common (local name). */
+ case N_NBTEXT: /* Gould Non-Base-Register symbols??? */
case N_NBDATA:
case N_NBBSS:
case N_NBSTS:
case N_NBLCS:
- unknown_symtype_complaint (local_hex_string (type));
+ unknown_symtype_complaint (hex_string (type));
/* FALLTHROUGH */
- /* The following symbol types don't need the address field relocated,
- since it is either unused, or is absolute. */
+ /* The following symbol types don't need the address field
+ relocated, since it is either unused, or is absolute. */
define_a_symbol:
- case N_GSYM: /* Global variable */
- case N_NSYMS: /* Number of symbols (ultrix) */
- case N_NOMAP: /* No map? (ultrix) */
- case N_RSYM: /* Register variable */
- case N_DEFD: /* Modula-2 GNU module dependency */
- case N_SSYM: /* Struct or union element */
- case N_LSYM: /* Local symbol in stack */
- case N_PSYM: /* Parameter variable */
- case N_LENG: /* Length of preceding symbol type */
+ case N_GSYM: /* Global variable. */
+ case N_NSYMS: /* Number of symbols (Ultrix). */
+ case N_NOMAP: /* No map? (Ultrix). */
+ case N_RSYM: /* Register variable. */
+ case N_DEFD: /* Modula-2 GNU module dependency. */
+ case N_SSYM: /* Struct or union element. */
+ case N_LSYM: /* Local symbol in stack. */
+ case N_PSYM: /* Parameter variable. */
+ case N_LENG: /* Length of preceding symbol type. */
if (name)
{
int deftype;
case 'F':
function_stab_type = type;
-#ifdef SOFUN_ADDRESS_MAYBE_MISSING
- /* Deal with the SunPRO 3.0 compiler which omits the address
- from N_FUN symbols. */
+ /* Deal with the SunPRO 3.0 compiler which omits the
+ address from N_FUN symbols. */
if (type == N_FUN
- && valu == ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile)))
+ && valu == ANOFFSET (section_offsets,
+ SECT_OFF_TEXT (objfile))
+ && gdbarch_sofun_address_maybe_missing (current_gdbarch))
{
CORE_ADDR minsym_valu =
find_stab_function_addr (name, last_source_file, objfile);
- /* find_stab_function_addr will return 0 if the minimal
- symbol wasn't found. (Unfortunately, this might also
- be a valid address.) Anyway, if it *does* return 0,
- it is likely that the value was set correctly to begin
- with... */
+ /* The function find_stab_function_addr will return
+ 0 if the minimal symbol wasn't found.
+ (Unfortunately, this might also be a valid
+ address.) Anyway, if it *does* return 0, it is
+ likely that the value was set correctly to begin
+ with... */
if (minsym_valu != 0)
valu = minsym_valu;
}
-#endif
-
-#ifdef SUN_FIXED_LBRAC_BUG
- /* The Sun acc compiler, under SunOS4, puts out
- functions with N_GSYM or N_STSYM. The problem is
- that the address of the symbol is no good (for N_GSYM
- it doesn't even attept an address; for N_STSYM it
- puts out an address but then it gets relocated
- relative to the data segment, not the text segment).
- Currently we can't fix this up later as we do for
- some types of symbol in scan_file_globals.
- Fortunately we do have a way of finding the address -
- we know that the value in last_pc_address is either
- the one we want (if we're dealing with the first
- function in an object file), or somewhere in the
- previous function. This means that we can use the
- minimal symbol table to get the address. */
-
- /* Starting with release 3.0, the Sun acc compiler,
- under SunOS4, puts out functions with N_FUN and a value
- of zero. This gets relocated to the start of the text
- segment of the module, which is no good either.
- Under SunOS4 we can deal with this as N_SLINE and N_SO
- entries contain valid absolute addresses.
- Release 3.0 acc also puts out N_OPT entries, which makes
- it possible to discern acc from cc or gcc. */
-
- if (type == N_GSYM || type == N_STSYM
- || (type == N_FUN
- && n_opt_found && !block_address_function_relative))
- {
- struct minimal_symbol *m;
- int l = colon_pos - name;
-
- m = lookup_minimal_symbol_by_pc (last_pc_address);
- if (m && strncmp (DEPRECATED_SYMBOL_NAME (m), name, l) == 0
- && DEPRECATED_SYMBOL_NAME (m)[l] == '\0')
- /* last_pc_address was in this function */
- valu = SYMBOL_VALUE (m);
- else if (m && DEPRECATED_SYMBOL_NAME (m + 1)
- && strncmp (DEPRECATED_SYMBOL_NAME (m + 1), name, l) == 0
- && DEPRECATED_SYMBOL_NAME (m + 1)[l] == '\0')
- /* last_pc_address was in last function */
- valu = SYMBOL_VALUE (m + 1);
- else
- /* Not found - use last_pc_address (for finish_block) */
- valu = last_pc_address;
- }
-
- last_pc_address = valu; /* Save for SunOS bug circumcision */
-#endif
if (block_address_function_relative)
- /* For Solaris 2.0 compilers, the block addresses and
+ /* For Solaris 2 compilers, the block addresses and
N_SLINE's are relative to the start of the
- function. On normal systems, and when using gcc on
- Solaris 2.0, these addresses are just absolute, or
+ function. On normal systems, and when using GCC on
+ Solaris 2, these addresses are just absolute, or
relative to the N_SO, depending on
BLOCK_ADDRESS_ABSOLUTE. */
function_start_offset = valu;
if (context_stack_depth > 1)
{
complaint (&symfile_complaints,
- "unmatched N_LBRAC before symtab pos %d", symnum);
+ _("unmatched N_LBRAC before symtab pos %d"), symnum);
break;
}
/* We use N_OPT to carry the gcc2_compiled flag. Sun uses it
for a bunch of other flags, too. Someday we may parse their
flags; for now we ignore theirs and hope they'll ignore ours. */
- case N_OPT: /* Solaris 2: Compiler options */
+ case N_OPT: /* Solaris 2: Compiler options. */
if (name)
{
if (strcmp (name, GCC2_COMPILED_FLAG_SYMBOL) == 0)
{
processing_gcc_compilation = 2;
#if 0 /* Works, but is experimental. -fnf */
- /* For now, stay with AUTO_DEMANGLING for g++ output, as we don't
- know whether it will use the old style or v3 mangling. */
+ /* For now, stay with AUTO_DEMANGLING for g++ output, as
+ we don't know whether it will use the old style or v3
+ mangling. */
if (AUTO_DEMANGLING)
{
set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
break;
/* The following symbol types can be ignored. */
- case N_OBJ: /* Solaris 2: Object file dir and name */
- case N_PATCH: /* Solaris2: Patch Run Time Checker. */
- /* N_UNDF: Solaris 2: file separator mark */
- /* N_UNDF: -- we will never encounter it, since we only process one
- file's symbols at once. */
- case N_ENDM: /* Solaris 2: End of module */
+ case N_OBJ: /* Solaris 2: Object file dir and name. */
+ case N_PATCH: /* Solaris 2: Patch Run Time Checker. */
+ /* N_UNDF: Solaris 2: File separator mark. */
+ /* N_UNDF: -- we will never encounter it, since we only process
+ one file's symbols at once. */
+ case N_ENDM: /* Solaris 2: End of module. */
case N_ALIAS: /* SunPro F77: alias name, ignore for now. */
break;
}
symbol. */
if (name[0] == '#')
{
- /* Initialize symbol reference names and determine if this is
- a definition. If symbol reference is being defined, go
- ahead and add it. Otherwise, just return sym. */
+ /* Initialize symbol reference names and determine if this is a
+ definition. If a symbol reference is being defined, go ahead
+ and add it. Otherwise, just return. */
char *s = name;
int refnum;
name = s;
}
-
previous_stab_code = type;
}
\f
/* There is already a dbx_symfile_info allocated by our caller.
It might even contain some info from the coff symtab to help us. */
- info = objfile->sym_stab_info;
+ info = objfile->deprecated_sym_stab_info;
DBX_TEXT_ADDR (objfile) = textaddr;
DBX_TEXT_SIZE (objfile) = textsize;
DBX_STRINGTAB_SIZE (objfile) = stabstrsize;
if (stabstrsize > bfd_get_size (sym_bfd))
- error ("ridiculous string table size: %d bytes", stabstrsize);
+ error (_("ridiculous string table size: %d bytes"), stabstrsize);
DBX_STRINGTAB (objfile) = (char *)
obstack_alloc (&objfile->objfile_obstack, stabstrsize + 1);
OBJSTAT (objfile, sz_strtab += stabstrsize + 1);
}
\f
/* Scan and build partial symbols for an ELF symbol file.
- This ELF file has already been processed to get its minimal symbols,
- and any DWARF symbols that were in it.
+ This ELF file has already been processed to get its minimal symbols.
This routine is the equivalent of dbx_symfile_init and dbx_symfile_read
rolled into one.
/* There is already a dbx_symfile_info allocated by our caller.
It might even contain some info from the ELF symtab to help us. */
- info = objfile->sym_stab_info;
+ info = objfile->deprecated_sym_stab_info;
/* Find the first and last text address. dbx_symfile_read seems to
want this. */
DBX_STAB_SECTION (objfile) = stabsect;
if (stabstrsize > bfd_get_size (sym_bfd))
- error ("ridiculous string table size: %d bytes", stabstrsize);
+ error (_("ridiculous string table size: %d bytes"), stabstrsize);
DBX_STRINGTAB (objfile) = (char *)
obstack_alloc (&objfile->objfile_obstack, stabstrsize + 1);
OBJSTAT (objfile, sz_strtab += stabstrsize + 1);
return;
if (!stabstrsect)
- error ("stabsect_build_psymtabs: Found stabs (%s), but not string section (%s)",
+ error (_("stabsect_build_psymtabs: Found stabs (%s), but not string section (%s)"),
stab_name, stabstr_name);
- objfile->sym_stab_info = (struct dbx_symfile_info *)
+ objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *)
xmalloc (sizeof (struct dbx_symfile_info));
- memset (objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
+ memset (objfile->deprecated_sym_stab_info, 0, sizeof (struct dbx_symfile_info));
text_sect = bfd_get_section_by_name (sym_bfd, text_name);
if (!text_sect)
- error ("Can't find %s section in symbol file", text_name);
+ error (_("Can't find %s section in symbol file"), text_name);
DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
DBX_SYMTAB_OFFSET (objfile) = stabsect->filepos; /* XXX - FIXME: POKING INSIDE BFD DATA STRUCTURES */
if (DBX_STRINGTAB_SIZE (objfile) > bfd_get_size (sym_bfd))
- error ("ridiculous string table size: %d bytes", DBX_STRINGTAB_SIZE (objfile));
+ error (_("ridiculous string table size: %d bytes"), DBX_STRINGTAB_SIZE (objfile));
DBX_STRINGTAB (objfile) = (char *)
obstack_alloc (&objfile->objfile_obstack, DBX_STRINGTAB_SIZE (objfile) + 1);
OBJSTAT (objfile, sz_strtab += DBX_STRINGTAB_SIZE (objfile) + 1);
dbx_symfile_read, /* sym_read: read a symbol file into symtab */
dbx_symfile_finish, /* sym_finish: finished with file, cleanup */
default_symfile_offsets, /* sym_offsets: parse user's offsets to internal form */
+ default_symfile_segments, /* sym_segments: Get segment information from
+ a file. */
+ NULL, /* sym_read_linetable */
NULL /* next: pointer to next struct sym_fns */
};
projects / deliverable / binutils-gdb.git / blobdiff