/* corefile.c
- Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of GNU Binutils.
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
\f
#include "libiberty.h"
#include "gprof.h"
#include "corefile.h"
bfd *core_bfd;
-int core_num_syms;
-asymbol **core_syms;
+static int core_num_syms;
+static asymbol **core_syms;
asection *core_text_sect;
PTR core_text_space;
-int min_insn_size;
+static int min_insn_size;
int offset_to_code;
/* For mapping symbols to specific .o files during file ordering. */
-struct function_map
-{
- char *function_name;
- char *file_name;
-};
-
struct function_map *symbol_map;
unsigned int symbol_map_count;
-extern void i386_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
-extern void alpha_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
-extern void vax_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
-extern void tahoe_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
-extern void sparc_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
-extern void mips_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
+static void read_function_mappings (const char *);
+static int core_sym_class (asymbol *);
+static bfd_boolean get_src_info
+ (bfd_vma, const char **, const char **, int *);
+
+extern void i386_find_call (Sym *, bfd_vma, bfd_vma);
+extern void alpha_find_call (Sym *, bfd_vma, bfd_vma);
+extern void vax_find_call (Sym *, bfd_vma, bfd_vma);
+extern void tahoe_find_call (Sym *, bfd_vma, bfd_vma);
+extern void sparc_find_call (Sym *, bfd_vma, bfd_vma);
+extern void mips_find_call (Sym *, bfd_vma, bfd_vma);
static void
-DEFUN (read_function_mappings, (filename), const char *filename)
+read_function_mappings (const char *filename)
{
FILE *file = fopen (filename, "r");
char dummy[1024];
void
-DEFUN (core_init, (a_out_name), const char *a_out_name)
+core_init (const char *aout_name)
{
- core_bfd = bfd_openr (a_out_name, 0);
+ int core_sym_bytes;
+ asymbol *synthsyms;
+ long synth_count;
+
+ core_bfd = bfd_openr (aout_name, 0);
if (!core_bfd)
{
- perror (a_out_name);
+ perror (aout_name);
done (1);
}
if (!bfd_check_format (core_bfd, bfd_object))
{
- fprintf (stderr, _("%s: %s: not in a.out format\n"), whoami, a_out_name);
+ fprintf (stderr, _("%s: %s: not in executable format\n"), whoami, aout_name);
done (1);
}
if (!core_text_sect)
{
fprintf (stderr, _("%s: can't find .text section in %s\n"),
- whoami, a_out_name);
+ whoami, aout_name);
done (1);
}
}
/* Read core's symbol table. */
/* This will probably give us more than we need, but that's ok. */
- core_num_syms = bfd_get_symtab_upper_bound (core_bfd);
- if (core_num_syms < 0)
+ core_sym_bytes = bfd_get_symtab_upper_bound (core_bfd);
+ if (core_sym_bytes < 0)
{
- fprintf (stderr, "%s: %s: %s\n", whoami, a_out_name,
+ fprintf (stderr, "%s: %s: %s\n", whoami, aout_name,
bfd_errmsg (bfd_get_error ()));
done (1);
}
- core_syms = (asymbol **) xmalloc (core_num_syms);
+ core_syms = (asymbol **) xmalloc (core_sym_bytes);
core_num_syms = bfd_canonicalize_symtab (core_bfd, core_syms);
if (core_num_syms < 0)
{
- fprintf (stderr, "%s: %s: %s\n", whoami, a_out_name,
+ fprintf (stderr, "%s: %s: %s\n", whoami, aout_name,
bfd_errmsg (bfd_get_error ()));
done (1);
}
+ synth_count = bfd_get_synthetic_symtab (core_bfd, core_num_syms, core_syms,
+ 0, NULL, &synthsyms);
+ if (synth_count > 0)
+ {
+ asymbol **symp;
+ long new_size;
+ long i;
+
+ new_size = (core_num_syms + synth_count + 1) * sizeof (*core_syms);
+ core_syms = xrealloc (core_syms, new_size);
+ symp = core_syms + core_num_syms;
+ core_num_syms += synth_count;
+ for (i = 0; i < synth_count; i++)
+ *symp++ = synthsyms + i;
+ *symp = 0;
+ }
+
min_insn_size = 1;
offset_to_code = 0;
/* Read in the text space of an a.out file. */
void
-DEFUN (core_get_text_space, (core_bfd), bfd * core_bfd)
+core_get_text_space (bfd *cbfd)
{
- core_text_space = (PTR) malloc (core_text_sect->_raw_size);
+ core_text_space = malloc (bfd_get_section_size (core_text_sect));
if (!core_text_space)
{
fprintf (stderr, _("%s: ran out room for %lu bytes of text space\n"),
- whoami, (unsigned long) core_text_sect->_raw_size);
+ whoami, (unsigned long) bfd_get_section_size (core_text_sect));
done (1);
}
- if (!bfd_get_section_contents (core_bfd, core_text_sect, core_text_space,
- 0, core_text_sect->_raw_size))
+ if (!bfd_get_section_contents (cbfd, core_text_sect, core_text_space,
+ 0, bfd_get_section_size (core_text_sect)))
{
bfd_perror ("bfd_get_section_contents");
free (core_text_space);
void
-DEFUN (find_call, (parent, p_lowpc, p_highpc),
- Sym * parent AND bfd_vma p_lowpc AND bfd_vma p_highpc)
+find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc)
{
switch (bfd_get_arch (core_bfd))
{
't' -> symbol is a local (static) name. */
static int
-DEFUN (core_sym_class, (sym), asymbol * sym)
+core_sym_class (asymbol *sym)
{
symbol_info syminfo;
const char *name;
/* Get whatever source info we can get regarding address ADDR. */
-static bool
-DEFUN (get_src_info, (addr, filename, name, line_num),
- bfd_vma addr AND const char **filename AND const char **name
- AND int *line_num)
+static bfd_boolean
+get_src_info (bfd_vma addr, const char **filename, const char **name, int *line_num)
{
const char *fname = 0, *func_name = 0;
int l = 0;
One symbol per function is entered. */
void
-core_create_function_syms (core_bfd)
- bfd *core_bfd ATTRIBUTE_UNUSED;
+core_create_function_syms ()
{
- bfd_vma min_vma = ~0, max_vma = 0;
+ bfd_vma min_vma = ~(bfd_vma) 0;
+ bfd_vma max_vma = 0;
int class;
long i, found, skip;
unsigned int j;
for (i = 0; i < core_num_syms; ++i)
{
+ asection *sym_sec;
+
class = core_sym_class (core_syms[i]);
if (!class)
sym_init (symtab.limit);
/* Symbol offsets are always section-relative. */
- symtab.limit->addr = core_syms[i]->value + core_syms[i]->section->vma;
+ sym_sec = core_syms[i]->section;
+ symtab.limit->addr = core_syms[i]->value;
+ if (sym_sec)
+ symtab.limit->addr += bfd_get_section_vma (sym_sec->owner, sym_sec);
if (symbol_map_count
&& !strcmp (core_syms[i]->name, symbol_map[found].function_name))
if (class == 't')
symtab.limit->is_static = TRUE;
+ /* Keep track of the minimum and maximum vma addresses used by all
+ symbols. When computing the max_vma, use the ending address of the
+ section containing the symbol, if available. */
min_vma = MIN (symtab.limit->addr, min_vma);
- max_vma = MAX (symtab.limit->addr, max_vma);
+ if (sym_sec)
+ max_vma = MAX (bfd_get_section_vma (sym_sec->owner, sym_sec)
+ + bfd_section_size (sym_sec->owner, sym_sec) - 1,
+ max_vma);
+ else
+ max_vma = MAX (symtab.limit->addr, max_vma);
/* If we see "main" without an initial '_', we assume names
are *not* prefixed by '_'. */
sym_init (symtab.limit);
symtab.limit->name = "<hicore>";
symtab.limit->addr = max_vma + 1;
- symtab.limit->end_addr = ~0;
+ symtab.limit->end_addr = ~(bfd_vma) 0;
++symtab.limit;
symtab.len = symtab.limit - symtab.base;
One symbol per line of source code is entered. */
void
-DEFUN (core_create_line_syms, (core_bfd), bfd * core_bfd)
+core_create_line_syms ()
{
char *prev_name, *prev_filename;
- int prev_name_len, prev_filename_len;
- bfd_vma vma, min_vma = ~0, max_vma = 0;
- bfd_vma offset;
+ unsigned int prev_name_len, prev_filename_len;
+ bfd_vma vma, min_vma = ~(bfd_vma) 0, max_vma = 0;
Sym *prev, dummy, *sentinel, *sym;
const char *filename;
int prev_line_num;
Sym_Table ltab;
+ bfd_vma vma_high;
/* Create symbols for functions as usual. This is necessary in
cases where parts of a program were not compiled with -g. For
those parts we still want to get info at the function level. */
- core_create_function_syms (core_bfd);
+ core_create_function_syms ();
- /* Pass 1 - counter number of symbols. */
+ /* Pass 1: count the number of symbols. */
/* To find all line information, walk through all possible
text-space addresses (one by one!) and get the debugging
it is time to create a new symbol.
Of course, this is rather slow and it would be better if
- bfd would provide an iterator for enumerating all line infos. */
+ BFD would provide an iterator for enumerating all line infos. */
prev_name_len = PATH_MAX;
prev_filename_len = PATH_MAX;
prev_name = xmalloc (prev_name_len);
ltab.len = 0;
prev_line_num = 0;
- for (offset = 0; offset < core_text_sect->_raw_size; offset += min_insn_size)
+ vma_high = core_text_sect->vma + bfd_get_section_size (core_text_sect);
+ for (vma = core_text_sect->vma; vma < vma_high; vma += min_insn_size)
{
- int len;
-
- vma = core_text_sect->vma + offset;
+ unsigned int len;
if (!get_src_info (vma, &filename, &dummy.name, &dummy.line_num)
|| (prev_line_num == dummy.line_num
lot cleaner now. */
prev = 0;
- for (offset = 0; offset < core_text_sect->_raw_size; offset += min_insn_size)
+ for (vma = core_text_sect->vma; vma < vma_high; vma += min_insn_size)
{
sym_init (ltab.limit);
- if (!get_src_info (core_text_sect->vma + offset, &filename,
- <ab.limit->name, <ab.limit->line_num)
+ if (!get_src_info (vma, &filename, <ab.limit->name, <ab.limit->line_num)
|| (prev && prev->line_num == ltab.limit->line_num
&& strcmp (prev->name, ltab.limit->name) == 0
&& strcmp (prev->file->name, filename) == 0))
ltab.limit->name = xstrdup (ltab.limit->name);
ltab.limit->file = source_file_lookup_path (filename);
- ltab.limit->addr = core_text_sect->vma + offset;
+ ltab.limit->addr = vma;
/* Set is_static based on the enclosing function, using either:
1) the previous symbol, if it's from the same function, or
}
/* Update sentinels. */
- sentinel = sym_lookup (&symtab, 0);
+ sentinel = sym_lookup (&symtab, (bfd_vma) 0);
- if (strcmp (sentinel->name, "<locore>") == 0
+ if (sentinel
+ && strcmp (sentinel->name, "<locore>") == 0
&& min_vma <= sentinel->end_addr)
sentinel->end_addr = min_vma - 1;
- sentinel = sym_lookup (&symtab, ~0);
+ sentinel = sym_lookup (&symtab, ~(bfd_vma) 0);
- if (strcmp (sentinel->name, "<hicore>") == 0 && max_vma >= sentinel->addr)
+ if (sentinel
+ && strcmp (sentinel->name, "<hicore>") == 0
+ && max_vma >= sentinel->addr)
sentinel->addr = max_vma + 1;
/* Copy in function symbols. */
projects / deliverable / binutils-gdb.git / blobdiff