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[backtrace] Avoid segfault

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https://gcc.gnu.org/ml/gcc-patches/2019-01/msg01521.html

	* elf.c (elf_add): Pass "" filename to recursive call with
	separated debug.

From-SVN: r268275
This commit is contained in:
Nathan Sidwell 2019-01-25 17:16:53 +00:00 committed by Nathan Sidwell
parent c590597c45
commit 4bfcd13938
2 changed files with 6 additions and 1 deletions
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5
libbacktrace/ChangeLog
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@ -1,3 +1,8 @@
2019-01-25 Nathan Sidwell <nathan@acm.org>
* elf.c (elf_add): Pass "" filename to recursive call with
separated debug.
2019-01-25 Tom de Vries <tdevries@suse.de>
* elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with

2
libbacktrace/elf.c
View File

@ -3041,7 +3041,7 @@ elf_add (struct backtrace_state *state, const char *filename, int descriptor,
if (debugaltlink_view_valid)
backtrace_release_view (state, &debugaltlink_view, error_callback,
data);
ret = elf_add (state, NULL, d, base_address, error_callback, data,
ret = elf_add (state, "", d, base_address, error_callback, data,
fileline_fn, found_sym, found_dwarf, NULL, 0, 1, NULL,
0);
if (ret < 0)