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2006-01-17 H.J. Lu <hongjiu.lu@intel.com> 

PR binutils/2096
	* dwarf2.c (comp_unit_contains_address): Update comment.
	(_bfd_dwarf2_find_nearest_line): Use section's vma, instead of
	lma.  Return TRUE only if both comp_unit_contains_address and
	comp_unit_find_nearest_line return TRUE.
	(_bfd_dwarf2_find_line): Use section's vma, instead of lma.
This commit is contained in:
H.J. Lu 2006-01-17 17:12:58 +00:00
parent 64d03ab565
commit 6dd55cb711
2 changed files with 31 additions and 29 deletions
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9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2006-01-17 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/2096
* dwarf2.c (comp_unit_contains_address): Update comment.
(_bfd_dwarf2_find_nearest_line): Use section's vma, instead of
lma. Return TRUE only if both comp_unit_contains_address and
comp_unit_find_nearest_line return TRUE.
(_bfd_dwarf2_find_line): Use section's vma, instead of lma.
2006-01-18 Alan Modra <amodra@bigpond.net.au>
* elf-bfd.h (struct elf_backend_data): Add gc_mark_dynamic_ref.

51
bfd/dwarf2.c
View File

@ -2006,7 +2006,11 @@ parse_comp_unit (bfd *abfd,
return unit;
}
/* Return TRUE if UNIT contains the address given by ADDR. */
/* Return TRUE if UNIT may contain the address given by ADDR. When
there are functions written entirely with inline asm statements, the
range info in the compilation unit header may not be correct. We
need to consult the line info table to see if a compilation unit
really contains the given address. */
static bfd_boolean
comp_unit_contains_address (struct comp_unit *unit, bfd_vma addr)
@ -2210,9 +2214,9 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
stash = *pinfo;
addr = offset;
if (section->output_section)
addr += section->output_section->lma + section->output_offset;
addr += section->output_section->vma + section->output_offset;
else
addr += section->lma;
addr += section->vma;
*filename_ptr = NULL;
*functionname_ptr = NULL;
*linenumber_ptr = 0;
@ -2293,16 +2297,16 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
/* Check the previously read comp. units first. */
for (each = stash->all_comp_units; each; each = each->next_unit)
if (comp_unit_contains_address (each, addr))
return comp_unit_find_nearest_line (each, addr, filename_ptr,
functionname_ptr, linenumber_ptr,
stash);
if (comp_unit_contains_address (each, addr)
&& comp_unit_find_nearest_line (each, addr, filename_ptr,
functionname_ptr,
linenumber_ptr, stash))
return TRUE;
/* Read each remaining comp. units checking each as they are read. */
while (stash->info_ptr < stash->info_ptr_end)
{
bfd_vma length;
bfd_boolean found;
unsigned int offset_size = addr_size;
bfd_byte *info_ptr_unit = stash->info_ptr;
@ -2358,25 +2362,14 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
unit->high == 0), we need to consult the line info
table to see if a compilation unit contains the given
address. */
if (each->arange.high > 0)
{
if (comp_unit_contains_address (each, addr))
return comp_unit_find_nearest_line (each, addr,
filename_ptr,
functionname_ptr,
linenumber_ptr,
stash);
}
else
{
found = comp_unit_find_nearest_line (each, addr,
filename_ptr,
functionname_ptr,
linenumber_ptr,
stash);
if (found)
return TRUE;
}
if ((each->arange.high == 0
|| comp_unit_contains_address (each, addr))
&& comp_unit_find_nearest_line (each, addr,
filename_ptr,
functionname_ptr,
linenumber_ptr,
stash))
return TRUE;
}
}
}
@ -2419,9 +2412,9 @@ _bfd_dwarf2_find_line (bfd *abfd,
addr = symbol->value;
if (section->output_section)
addr += section->output_section->lma + section->output_offset;
addr += section->output_section->vma + section->output_offset;
else
addr += section->lma;
addr += section->vma;
*filename_ptr = NULL;
stash = *pinfo;