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2008-07-13 Craig Silverstein <csilvers@google.com>

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* dwarf2.c (struct dwarf2_debug): New variable info_ptr_memory.
	(find_line): Use info_ptr_memory instead of sec_info_ptr.
	(_bfd_dwarf2_cleanup_debug_info): Likewise.
This commit is contained in:
Craig Silverstein
2008-07-14 00:10:09 +00:00
parent ac3d490a1a
commit aaf30c25fb
2 changed files with 20 additions and 5 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2008-07-13 Craig Silverstein <csilvers@google.com>
* dwarf2.c (struct dwarf2_debug): New variable info_ptr_memory.
(find_line): Use info_ptr_memory instead of sec_info_ptr.
(_bfd_dwarf2_cleanup_debug_info): Likewise.
2008-07-12 Jie Zhang <jie.zhang@analog.com> 2008-07-12 Jie Zhang <jie.zhang@analog.com>
Revert Revert

19
bfd/dwarf2.c
View File

@ -104,6 +104,12 @@ struct dwarf2_debug
asection *sec; asection *sec;
bfd_byte *sec_info_ptr; bfd_byte *sec_info_ptr;
/* A pointer to the memory block allocated for info_ptr. Neither
info_ptr nor sec_info_ptr are guaranteed to stay pointing to the
beginning of the malloc block. This is used only to free the
memory later. */
bfd_byte *info_ptr_memory;
/* Pointer to the symbol table. */ /* Pointer to the symbol table. */
asymbol **syms; asymbol **syms;
@ -2915,8 +2921,9 @@ find_line (bfd *abfd,
total_size = msec->size; total_size = msec->size;
if (! read_section (debug_bfd, ".debug_info", ".zdebug_info", if (! read_section (debug_bfd, ".debug_info", ".zdebug_info",
symbols, 0, symbols, 0,
&stash->info_ptr, &total_size)) &stash->info_ptr_memory, &total_size))
goto done; goto done;
stash->info_ptr = stash->info_ptr_memory;
stash->info_ptr_end = stash->info_ptr + total_size; stash->info_ptr_end = stash->info_ptr + total_size;
} }
else else
@ -2931,10 +2938,11 @@ find_line (bfd *abfd,
if (all_uncompressed) if (all_uncompressed)
{ {
/* Case 2: multiple sections, but none is compressed. */ /* Case 2: multiple sections, but none is compressed. */
stash->info_ptr = bfd_malloc (total_size); stash->info_ptr_memory = bfd_malloc (total_size);
if (stash->info_ptr == NULL) if (stash->info_ptr_memory == NULL)
goto done; goto done;
stash->info_ptr = stash->info_ptr_memory;
stash->info_ptr_end = stash->info_ptr; stash->info_ptr_end = stash->info_ptr;
for (msec = find_debug_info (debug_bfd, NULL); for (msec = find_debug_info (debug_bfd, NULL);
@ -2963,7 +2971,8 @@ find_line (bfd *abfd,
else else
{ {
/* Case 3: multiple sections, some or all compressed. */ /* Case 3: multiple sections, some or all compressed. */
stash->info_ptr = bfd_malloc (1); stash->info_ptr_memory = bfd_malloc (1);
stash->info_ptr = stash->info_ptr_memory;
stash->info_ptr_end = stash->info_ptr; stash->info_ptr_end = stash->info_ptr;
for (msec = find_debug_info (debug_bfd, NULL); for (msec = find_debug_info (debug_bfd, NULL);
msec; msec;
@ -3292,5 +3301,5 @@ _bfd_dwarf2_cleanup_debug_info (bfd *abfd)
free (stash->dwarf_abbrev_buffer); free (stash->dwarf_abbrev_buffer);
free (stash->dwarf_line_buffer); free (stash->dwarf_line_buffer);
free (stash->dwarf_ranges_buffer); free (stash->dwarf_ranges_buffer);
free (stash->sec_info_ptr); free (stash->info_ptr_memory);
} }