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elf.c (elf_add): Don't get the wrong offsets if a debug section is missing. 

* elf.c (elf_add): Don't get the wrong offsets if a debug section
	is missing.

From-SVN: r203810
This commit is contained in:
Ian Lance Taylor 2013-10-18 04:24:48 +00:00 committed by Ian Lance Taylor
parent 5628781003
commit 6c084a5b37
2 changed files with 14 additions and 2 deletions
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5
libbacktrace/ChangeLog
View File

@ -1,3 +1,8 @@
2013-10-17 Ian Lance Taylor <iant@google.com>
* elf.c (elf_add): Don't get the wrong offsets if a debug section
is missing.
2013-10-15 David Malcolm <dmalcolm@redhat.com>
* configure.ac: Add --enable-host-shared, setting up

11
libbacktrace/elf.c
View File

@ -759,6 +759,8 @@ elf_add (struct backtrace_state *state, int descriptor, uintptr_t base_address,
{
off_t end;
if (sections[i].size == 0)
continue;
if (min_offset == 0 || sections[i].offset < min_offset)
min_offset = sections[i].offset;
end = sections[i].offset + sections[i].size;
@ -785,8 +787,13 @@ elf_add (struct backtrace_state *state, int descriptor, uintptr_t base_address,
descriptor = -1;
for (i = 0; i < (int) DEBUG_MAX; ++i)
sections[i].data = ((const unsigned char *) debug_view.data
+ (sections[i].offset - min_offset));
{
if (sections[i].size == 0)
sections[i].data = NULL;
else
sections[i].data = ((const unsigned char *) debug_view.data
+ (sections[i].offset - min_offset));
}
if (!backtrace_dwarf_add (state, base_address,
sections[DEBUG_INFO].data,