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* elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the

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desired CRC is zero.
	(elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
This commit is contained in:
Ian Lance Taylor
2018-01-25 10:14:34 -08:00
parent 8a4e4ea552
commit 811741b03b
1 changed files with 14 additions and 7 deletions
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21
elf.c
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@@ -997,7 +997,6 @@ elf_open_debugfile_by_debuglink (struct backtrace_state *state,
void *data)
{
int ddescriptor;
uint32_t got_crc;
ddescriptor = elf_find_debugfile_by_debuglink (state, filename,
debuglink_name,
@@ -1005,11 +1004,16 @@ elf_open_debugfile_by_debuglink (struct backtrace_state *state,
if (ddescriptor < 0)
return -1;
got_crc = elf_crc32_file (state, ddescriptor, error_callback, data);
if (got_crc != debuglink_crc)
if (debuglink_crc != 0)
{
backtrace_close (ddescriptor, error_callback, data);
return -1;
uint32_t got_crc;
got_crc = elf_crc32_file (state, ddescriptor, error_callback, data);
if (got_crc != debuglink_crc)
{
backtrace_close (ddescriptor, error_callback, data);
return -1;
}
}
return ddescriptor;
@@ -2634,8 +2638,11 @@ elf_add (struct backtrace_state *state, const char *filename, int descriptor,
unsigned int using_debug_view;
uint16_t *zdebug_table;
*found_sym = 0;
*found_dwarf = 0;
if (!debuginfo)
{
*found_sym = 0;
*found_dwarf = 0;
}
shdrs_view_valid = 0;
names_view_valid = 0;