/* Read dbx symbol tables and convert to internal format, for GDB.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003.
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004.
Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "gdb_string.h"
-#if defined(USG) || defined(__CYGNUSCLIB__)
+#if defined(__CYGNUSCLIB__)
#include <sys/types.h>
#include <fcntl.h>
#endif
#include "target.h"
#include "gdbcore.h" /* for bfd stuff */
#include "libaout.h" /* FIXME Secret internal BFD stuff for a.out */
-#include "symfile.h"
#include "objfiles.h"
#include "buildsym.h"
#include "stabsread.h"
#include "language.h" /* Needed for local_hex_string */
#include "complaints.h"
#include "cp-abi.h"
+#include "gdb_assert.h"
#include "aout/aout64.h"
#include "aout/stab_gnu.h" /* We always use GNU stabs, not native, now */
\f
-/* This macro returns the size field of a minimal symbol, which is normally
- stored in the "info" field. The macro can be overridden for specific
- targets (e.g. MIPS16) that use the info field for other purposes. */
-#ifndef MSYMBOL_SIZE
-#define MSYMBOL_SIZE(msym) ((long) MSYMBOL_INFO (msym))
-#endif
-
-
/* We put a pointer to this structure in the read_symtab_private field
of the psymtab. */
extern void _initialize_dbxread (void);
-#if 0 /* OBSOLETE CFront */
-// OBSOLETE static void process_now (struct objfile *);
-#endif /* OBSOLETE CFront */
-
static void read_ofile_symtab (struct partial_symtab *);
static void dbx_psymtab_to_symtab (struct partial_symtab *);
static void
add_old_header_file (char *name, int instance)
{
- register struct header_file *p = HEADER_FILES (current_objfile);
- register int i;
+ struct header_file *p = HEADER_FILES (current_objfile);
+ int i;
for (i = 0; i < N_HEADER_FILES (current_objfile); i++)
- if (STREQ (p[i].name, name) && instance == p[i].instance)
+ if (strcmp (p[i].name, name) == 0 && instance == p[i].instance)
{
add_this_object_header_file (i);
return;
static void
add_new_header_file (char *name, int instance)
{
- register int i;
- register struct header_file *hfile;
+ int i;
+ struct header_file *hfile;
/* Make sure there is room for one more header file. */
static struct type **
explicit_lookup_type (int real_filenum, int index)
{
- register struct header_file *f = &HEADER_FILES (current_objfile)[real_filenum];
+ struct header_file *f = &HEADER_FILES (current_objfile)[real_filenum];
if (index >= f->length)
{
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' && STREQ ("__DYNAMIC", name))
+ if (name[8] == 'C' && DEPRECATED_STREQ ("__DYNAMIC", name))
ms_type = mst_data;
/* Same with virtual function tables, both global and static. */
/* Allocate struct to keep track of the symfile */
objfile->sym_stab_info = (struct dbx_symfile_info *)
- xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
+ xmalloc (sizeof (struct dbx_symfile_info));
memset (objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
DBX_TEXT_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
DBX_SYMCOUNT (objfile) = bfd_get_symcount (sym_bfd);
DBX_SYMTAB_OFFSET (objfile) = SYMBOL_TABLE_OFFSET;
- /* Read the string table and stash it away in the psymbol_obstack. It is
- only needed as long as we need to expand psymbols into full symbols,
- so when we blow away the psymbol the string table goes away as well.
+ /* Read the string table and stash it away in the objfile_obstack.
+ When we blow away the objfile the string table goes away as well.
Note that gdb used to use the results of attempting to malloc the
string table, based on the size it read, as a form of sanity check
for botched byte swapping, on the theory that a byte swapped string
table size would be so totally bogus that the malloc would fail. Now
- that we put in on the psymbol_obstack, we can't do this since gdb gets
+ that we put in on the objfile_obstack, we can't do this since gdb gets
a fatal error (out of virtual memory) if the size is bogus. We can
however at least check to see if the size is less than the size of
the size field itself, or larger than the size of the entire file.
DBX_STRINGTAB_SIZE (objfile));
DBX_STRINGTAB (objfile) =
- (char *) obstack_alloc (&objfile->psymbol_obstack,
+ (char *) obstack_alloc (&objfile->objfile_obstack,
DBX_STRINGTAB_SIZE (objfile));
OBJSTAT (objfile, sz_strtab += DBX_STRINGTAB_SIZE (objfile));
{
if (HEADER_FILES (objfile) != NULL)
{
- register int i = N_HEADER_FILES (objfile);
- register struct header_file *hfiles = HEADER_FILES (objfile);
+ int i = N_HEADER_FILES (objfile);
+ struct header_file *hfiles = HEADER_FILES (objfile);
while (--i >= 0)
{
}
xfree (hfiles);
}
- xmfree (objfile->md, objfile->sym_stab_info);
+ xfree (objfile->sym_stab_info);
}
free_header_files ();
}
static int symbuf_idx;
static int symbuf_end;
-#if 0 /* OBSOLETE CFront */
-// OBSOLETE /* cont_elem is used for continuing information in cfront.
-// OBSOLETE It saves information about which types need to be fixed up and
-// OBSOLETE completed after all the stabs are read. */
-// OBSOLETE struct cont_elem
-// OBSOLETE {
-// OBSOLETE /* sym and stabstring for continuing information in cfront */
-// OBSOLETE struct symbol *sym;
-// OBSOLETE char *stabs;
-// OBSOLETE /* state dependencies (statics that must be preserved) */
-// OBSOLETE int sym_idx;
-// OBSOLETE int sym_end;
-// OBSOLETE int symnum;
-// OBSOLETE int (*func) (struct objfile *, struct symbol *, char *);
-// OBSOLETE /* other state dependencies include:
-// OBSOLETE (assumption is that these will not change since process_now FIXME!!)
-// OBSOLETE stringtab_global
-// OBSOLETE n_stabs
-// OBSOLETE objfile
-// OBSOLETE symfile_bfd */
-// OBSOLETE };
-
-// OBSOLETE static struct cont_elem *cont_list = 0;
-// OBSOLETE static int cont_limit = 0;
-// OBSOLETE static int cont_count = 0;
-
-// OBSOLETE /* Arrange for function F to be called with arguments SYM and P later
-// OBSOLETE in the stabs reading process. */
-// OBSOLETE void
-// OBSOLETE process_later (struct symbol *sym, char *p,
-// OBSOLETE int (*f) (struct objfile *, struct symbol *, char *))
-// OBSOLETE {
-
-// OBSOLETE /* Allocate more space for the deferred list. */
-// OBSOLETE if (cont_count >= cont_limit - 1)
-// OBSOLETE {
-// OBSOLETE cont_limit += 32; /* chunk size */
-
-// OBSOLETE cont_list
-// OBSOLETE = (struct cont_elem *) xrealloc (cont_list,
-// OBSOLETE (cont_limit
-// OBSOLETE * sizeof (struct cont_elem)));
-// OBSOLETE if (!cont_list)
-// OBSOLETE error ("Virtual memory exhausted\n");
-// OBSOLETE }
-
-// OBSOLETE /* Save state variables so we can process these stabs later. */
-// OBSOLETE cont_list[cont_count].sym_idx = symbuf_idx;
-// OBSOLETE cont_list[cont_count].sym_end = symbuf_end;
-// OBSOLETE cont_list[cont_count].symnum = symnum;
-// OBSOLETE cont_list[cont_count].sym = sym;
-// OBSOLETE cont_list[cont_count].stabs = p;
-// OBSOLETE cont_list[cont_count].func = f;
-// OBSOLETE cont_count++;
-// OBSOLETE }
-
-// OBSOLETE /* Call deferred funtions in CONT_LIST. */
-
-// OBSOLETE static void
-// OBSOLETE process_now (struct objfile *objfile)
-// OBSOLETE {
-// OBSOLETE int i;
-// OBSOLETE int save_symbuf_idx;
-// OBSOLETE int save_symbuf_end;
-// OBSOLETE int save_symnum;
-// OBSOLETE struct symbol *sym;
-// OBSOLETE char *stabs;
-// OBSOLETE int err;
-// OBSOLETE int (*func) (struct objfile *, struct symbol *, char *);
-
-// OBSOLETE /* Save the state of our caller, we'll want to restore it before
-// OBSOLETE returning. */
-// OBSOLETE save_symbuf_idx = symbuf_idx;
-// OBSOLETE save_symbuf_end = symbuf_end;
-// OBSOLETE save_symnum = symnum;
-
-// OBSOLETE /* Iterate over all the deferred stabs. */
-// OBSOLETE for (i = 0; i < cont_count; i++)
-// OBSOLETE {
-// OBSOLETE /* Restore the state for this deferred stab. */
-// OBSOLETE symbuf_idx = cont_list[i].sym_idx;
-// OBSOLETE symbuf_end = cont_list[i].sym_end;
-// OBSOLETE symnum = cont_list[i].symnum;
-// OBSOLETE sym = cont_list[i].sym;
-// OBSOLETE stabs = cont_list[i].stabs;
-// OBSOLETE func = cont_list[i].func;
-
-// OBSOLETE /* Call the function to handle this deferrd stab. */
-// OBSOLETE err = (*func) (objfile, sym, stabs);
-// OBSOLETE if (err)
-// OBSOLETE error ("Internal error: unable to resolve stab.\n");
-// OBSOLETE }
-
-// OBSOLETE /* Restore our caller's state. */
-// OBSOLETE symbuf_idx = save_symbuf_idx;
-// OBSOLETE symbuf_end = save_symbuf_end;
-// OBSOLETE symnum = save_symnum;
-// OBSOLETE cont_count = 0;
-// OBSOLETE }
-#endif /* OBSOLETE CFront */
-
/* Name of last function encountered. Used in Solaris to approximate
object file boundaries. */
static char *last_function_name;
{
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;
for (bincl = bincl_list; bincl < next_bincl; bincl++)
if (bincl->instance == instance
- && STREQ (name, bincl->name))
+ && strcmp (name, bincl->name) == 0)
return bincl->pst;
repeated_header_complaint (name, symnum);
static void
free_bincl_list (struct objfile *objfile)
{
- xmfree (objfile->md, bincl_list);
+ xfree (bincl_list);
bincls_allocated = 0;
}
}
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
-CORE_ADDR
+static CORE_ADDR
find_stab_function_addr (char *namestring, char *filename,
struct objfile *objfile)
{
static void
read_dbx_symtab (struct objfile *objfile)
{
- register struct external_nlist *bufp = 0; /* =0 avoids gcc -Wall glitch */
+ struct external_nlist *bufp = 0; /* =0 avoids gcc -Wall glitch */
struct internal_nlist nlist;
CORE_ADDR text_addr;
int text_size;
- register char *namestring;
+ char *namestring;
int nsl;
int past_first_source_file = 0;
CORE_ADDR last_o_file_start = 0;
struct cleanup *back_to;
bfd *abfd;
int textlow_not_set;
+ int data_sect_index;
/* Current partial symtab */
struct partial_symtab *pst;
textlow_not_set = 1;
has_line_numbers = 0;
+ /* FIXME: jimb/2003-09-12: We don't apply the right section's offset
+ to global and static variables. The stab for a global or static
+ variable doesn't give us any indication of which section it's in,
+ so we can't tell immediately which offset in
+ objfile->section_offsets we should apply to the variable's
+ address.
+
+ We could certainly find out which section contains the variable
+ by looking up the variable's unrelocated address with
+ find_pc_section, but that would be expensive; this is the
+ function that constructs the partial symbol tables by examining
+ every symbol in the entire executable, and it's
+ performance-critical. So that expense would not be welcome. I'm
+ not sure what to do about this at the moment.
+
+ What we have done for years is to simply assume that the .data
+ section's offset is appropriate for all global and static
+ variables. Recently, this was expanded to fall back to the .bss
+ section's offset if there is no .data section, and then to the
+ .rodata section's offset. */
+ data_sect_index = objfile->sect_index_data;
+ if (data_sect_index == -1)
+ data_sect_index = SECT_OFF_BSS (objfile);
+ if (data_sect_index == -1)
+ data_sect_index = SECT_OFF_RODATA (objfile);
+
+ /* If data_sect_index is still -1, that's okay. It's perfectly fine
+ for the file to have no .data, no .bss, and no .text at all, if
+ it also has no global or static variables. If it does, we will
+ get an internal error from an ANOFFSET macro below when we try to
+ use data_sect_index. */
+
for (symnum = 0; symnum < DBX_SYMCOUNT (objfile); symnum++)
{
/* Get the symbol for this run and pull out some info */
|| (namestring[(nsl = strlen (namestring)) - 1] == 'o'
&& namestring[nsl - 2] == '.'))
{
- if (objfile->ei.entry_point < nlist.n_value &&
- objfile->ei.entry_point >= last_o_file_start)
- {
- objfile->ei.entry_file_lowpc = last_o_file_start;
- objfile->ei.entry_file_highpc = nlist.n_value;
- }
if (past_first_source_file && pst
/* The gould NP1 uses low values for .o and -l symbols
which are not the address. */
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));
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;
}
things like "break c-exp.y:435" need to work (I
suppose the psymtab_include_list could be hashed or put
in a binary tree, if profiling shows this is a major hog). */
- if (pst && STREQ (namestring, pst->filename))
+ if (pst && strcmp (namestring, pst->filename) == 0)
continue;
{
- register int i;
+ int i;
for (i = 0; i < includes_used; i++)
- if (STREQ (namestring, psymtab_include_list[i]))
+ if (strcmp (namestring, psymtab_include_list[i]) == 0)
{
i = -1;
break;
switch (p[1])
{
case 'S':
- nlist.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ nlist.n_value += ANOFFSET (objfile->section_offsets, data_sect_index);
#ifdef STATIC_TRANSFORM_NAME
namestring = STATIC_TRANSFORM_NAME (namestring);
#endif
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_STATIC,
+ VAR_DOMAIN, LOC_STATIC,
&objfile->static_psymbols,
0, nlist.n_value,
psymtab_language, objfile);
continue;
case 'G':
- nlist.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
+ nlist.n_value += ANOFFSET (objfile->section_offsets, data_sect_index);
/* The addresses in these entries are reported to be
wrong. See the code that reads 'G's for symtabs. */
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_STATIC,
+ VAR_DOMAIN, LOC_STATIC,
&objfile->global_psymbols,
0, nlist.n_value,
psymtab_language, objfile);
&& namestring[0] != ' '))
{
add_psymbol_to_list (namestring, p - namestring,
- STRUCT_NAMESPACE, LOC_TYPEDEF,
+ STRUCT_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
nlist.n_value, 0,
psymtab_language, objfile);
{
/* Also a typedef with the same name. */
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_TYPEDEF,
+ VAR_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
nlist.n_value, 0,
psymtab_language, objfile);
p += 1;
}
-#if 0 /* OBSOLETE CFront */
-// OBSOLETE /* The semantics of C++ state that "struct foo { ... }"
-// OBSOLETE also defines a typedef for "foo". Unfortuantely, cfront
-// OBSOLETE never makes the typedef when translating from C++ to C.
-// OBSOLETE We make the typedef here so that "ptype foo" works as
-// OBSOLETE expected for cfront translated code. */
-// OBSOLETE else if (psymtab_language == language_cplus)
-// OBSOLETE {
-// OBSOLETE /* Also a typedef with the same name. */
-// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
-// OBSOLETE VAR_NAMESPACE, LOC_TYPEDEF,
-// OBSOLETE &objfile->static_psymbols,
-// OBSOLETE nlist.n_value, 0,
-// OBSOLETE psymtab_language, objfile);
-// OBSOLETE }
-#endif /* OBSOLETE CFront */
}
goto check_enum;
case 't':
if (p != namestring) /* a name is there, not just :T... */
{
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_TYPEDEF,
+ VAR_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
nlist.n_value, 0,
psymtab_language, objfile);
/* Note that the value doesn't matter for
enum constants in psymtabs, just in symtabs. */
add_psymbol_to_list (p, q - p,
- VAR_NAMESPACE, LOC_CONST,
+ VAR_DOMAIN, LOC_CONST,
&objfile->static_psymbols, 0,
0, psymtab_language, objfile);
/* Point past the name. */
case 'c':
/* Constant, e.g. from "const" in Pascal. */
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_CONST,
+ VAR_DOMAIN, LOC_CONST,
&objfile->static_psymbols, nlist.n_value,
0, psymtab_language, objfile);
continue;
textlow_not_set = 0;
}
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_BLOCK,
+ VAR_DOMAIN, LOC_BLOCK,
&objfile->static_psymbols,
0, nlist.n_value,
psymtab_language, objfile);
textlow_not_set = 0;
}
add_psymbol_to_list (namestring, p - namestring,
- VAR_NAMESPACE, LOC_BLOCK,
+ VAR_DOMAIN, LOC_BLOCK,
&objfile->global_psymbols,
0, nlist.n_value,
psymtab_language, objfile);
case '9':
case '-':
case '#': /* for symbol identification (used in live ranges) */
-#if 0 /* OBSOLETE CFront */
-// OBSOLETE /* added to support cfront stabs strings */
-// OBSOLETE case 'Z': /* for definition continuations */
-// OBSOLETE case 'P': /* for prototypes */
-#endif /* OBSOLETE CFront */
continue;
case ':':
case N_OBJ: /* useless types from Solaris */
case N_OPT:
+ case N_PATCH:
/* These symbols aren't interesting; don't worry about them */
continue;
}
/* If there's stuff to be cleaned up, clean it up. */
- if (DBX_SYMCOUNT (objfile) > 0 /* We have some syms */
- /*FIXME, does this have a bug at start address 0? */
- && last_o_file_start
- && objfile->ei.entry_point < nlist.n_value
- && objfile->ei.entry_point >= last_o_file_start)
- {
- objfile->ei.entry_file_lowpc = last_o_file_start;
- objfile->ei.entry_file_highpc = nlist.n_value;
- }
-
if (pst)
{
/* Don't set pst->texthigh lower than it already is. */
filename, textlow, global_syms, static_syms);
result->read_symtab_private = (char *)
- obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc));
+ obstack_alloc (&objfile->objfile_obstack, sizeof (struct symloc));
LDSYMOFF (result) = ldsymoff;
result->read_symtab = dbx_psymtab_to_symtab;
SYMBOL_SIZE (result) = symbol_size;
if (number_dependencies)
{
pst->dependencies = (struct partial_symtab **)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
number_dependencies * sizeof (struct partial_symtab *));
memcpy (pst->dependencies, dependency_list,
number_dependencies * sizeof (struct partial_symtab *));
/* Copy the sesction_offsets array from the main psymtab. */
subpst->section_offsets = pst->section_offsets;
subpst->read_symtab_private =
- (char *) obstack_alloc (&objfile->psymbol_obstack,
+ (char *) obstack_alloc (&objfile->objfile_obstack,
sizeof (struct symloc));
LDSYMOFF (subpst) =
LDSYMLEN (subpst) =
/* We could save slight bits of space by only making one of these,
shared by the entire set of include files. FIXME-someday. */
subpst->dependencies = (struct partial_symtab **)
- obstack_alloc (&objfile->psymbol_obstack,
+ obstack_alloc (&objfile->objfile_obstack,
sizeof (struct partial_symtab *));
subpst->dependencies[0] = pst;
subpst->number_of_dependencies = 1;
/* Read in this file's symbols */
bfd_seek (pst->objfile->obfd, SYMBOL_OFFSET (pst), SEEK_SET);
read_ofile_symtab (pst);
- sort_symtab_syms (pst->symtab);
do_cleanups (old_chain);
}
static void
read_ofile_symtab (struct partial_symtab *pst)
{
- register char *namestring;
- register struct external_nlist *bufp;
+ char *namestring;
+ struct external_nlist *bufp;
struct internal_nlist nlist;
unsigned char type;
unsigned max_symnum;
- register bfd *abfd;
+ bfd *abfd;
struct objfile *objfile;
int sym_offset; /* Offset to start of symbols to read */
int sym_size; /* Size of symbols to read */
{
const char *tempstring = namestring;
- if (STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
+ if (DEPRECATED_STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
processing_gcc_compilation = 1;
- else if (STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
+ else if (DEPRECATED_STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
processing_gcc_compilation = 2;
if (tempstring[0] == bfd_get_symbol_leading_char (symfile_bfd))
++tempstring;
- if (STREQN (tempstring, "__gnu_compiled", 14))
+ if (DEPRECATED_STREQN (tempstring, "__gnu_compiled", 14))
processing_gcc_compilation = 2;
}
However, there is no reason not to accept
the GCC_COMPILED_FLAG_SYMBOL anywhere. */
- if (STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
+ if (DEPRECATED_STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
processing_gcc_compilation = 1;
- else if (STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
+ else if (DEPRECATED_STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
processing_gcc_compilation = 2;
#if 0
pst->symtab = end_symtab (text_offset + text_size, objfile, SECT_OFF_TEXT (objfile));
-#if 0 /* OBSOLETE CFront */
-// OBSOLETE /* Process items which we had to "process_later" due to dependencies
-// OBSOLETE on other stabs. */
-// OBSOLETE process_now (objfile);
-#endif /* OBSOLETE CFront */
end_stabs ();
}
\f
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
-
- register struct context_stack *new;
+ 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
break;
}
- record_line (current_subfile, 0, last_function_start + valu);
+ /* 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. */
+ if (sline_found_in_function)
+ record_line (current_subfile, 0, last_function_start + valu);
+
within_function = 0;
new = pop_context ();
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;
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
/* Relocate for dynamic loading and for ELF acc fn-relative syms. */
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. */
if (within_function && sline_found_in_function == 0)
}
#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 && STREQN (DEPRECATED_SYMBOL_NAME (m), name, l)
- && 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)
- && STREQN (DEPRECATED_SYMBOL_NAME (m + 1), name, l)
- && 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
N_SLINE's are relative to the start of the
case N_OPT: /* Solaris 2: Compiler options */
if (name)
{
- if (STREQ (name, GCC2_COMPILED_FLAG_SYMBOL))
+ if (strcmp (name, GCC2_COMPILED_FLAG_SYMBOL) == 0)
{
processing_gcc_compilation = 2;
#if 0 /* Works, but is experimental. -fnf */
/* 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. */
if (stabstrsize > bfd_get_size (sym_bfd))
error ("ridiculous string table size: %d bytes", stabstrsize);
DBX_STRINGTAB (objfile) = (char *)
- obstack_alloc (&objfile->psymbol_obstack, stabstrsize + 1);
+ obstack_alloc (&objfile->objfile_obstack, stabstrsize + 1);
OBJSTAT (objfile, sz_strtab += stabstrsize + 1);
/* Now read in the string table in one big gulp. */
}
\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.
if (stabstrsize > bfd_get_size (sym_bfd))
error ("ridiculous string table size: %d bytes", stabstrsize);
DBX_STRINGTAB (objfile) = (char *)
- obstack_alloc (&objfile->psymbol_obstack, stabstrsize + 1);
+ obstack_alloc (&objfile->objfile_obstack, stabstrsize + 1);
OBJSTAT (objfile, sz_strtab += stabstrsize + 1);
/* Now read in the string table in one big gulp. */
if (DBX_STRINGTAB_SIZE (objfile) > bfd_get_size (sym_bfd))
error ("ridiculous string table size: %d bytes", DBX_STRINGTAB_SIZE (objfile));
DBX_STRINGTAB (objfile) = (char *)
- obstack_alloc (&objfile->psymbol_obstack, DBX_STRINGTAB_SIZE (objfile) + 1);
+ obstack_alloc (&objfile->objfile_obstack, DBX_STRINGTAB_SIZE (objfile) + 1);
OBJSTAT (objfile, sz_strtab += DBX_STRINGTAB_SIZE (objfile) + 1);
/* Now read in the string table in one big gulp. */
projects / binutils.git / blobdiff