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| author | Joseph Myers <joseph@codesourcery.com> | 2018-01-16 20:53:03 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2018-01-16 20:53:03 +0000 |
| commit | 4942c4ea48099b4ba9dfecf7cfbc452ae74811b5 (patch) | |
| tree | 9f164e18eb51ad7eb1f09509dbdacfa96df76713 | |
| parent | 10d200dbace0ea5198006b313f40c3b884c88724 (diff) | |
| download | glibc-4942c4ea48099b4ba9dfecf7cfbc452ae74811b5.tar.gz | |
Use LIBGCC_S_SO in x86_64 backtrace.
The x86_64 backtrace implementation is used as a generic
implementation (unwinding via unwind info and _Unwind_Backtrace) by
various other architectures. This patch makes it more generic by
making it use LIBGCC_S_SO from gnu/lib-names.h instead of hardcoding
the libgcc_s.so.1 name, so that it can also be used on hppa which uses
libgcc_s.so.4.
Tested for x86_64.
* sysdeps/x86_64/backtrace.c: Include <gnu/lib-names.h>.
(init): Use LIBGCC_S_SO not hardcoded "libgcc_s.so.1".
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/backtrace.c | 3 |
2 files changed, 7 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2018-01-16 Joseph Myers <joseph@codesourcery.com> + + * sysdeps/x86_64/backtrace.c: Include <gnu/lib-names.h>. + (init): Use LIBGCC_S_SO not hardcoded "libgcc_s.so.1". + 2018-01-16 Florian Weimer <fweimer@redhat.com> * nptl/Makefile [$(have-cxx-thread_local)] (tests-unsupported): diff --git a/sysdeps/x86_64/backtrace.c b/sysdeps/x86_64/backtrace.c index 2706b50a05..d423cc053a 100644 --- a/sysdeps/x86_64/backtrace.c +++ b/sysdeps/x86_64/backtrace.c @@ -20,6 +20,7 @@ #include <libc-lock.h> #include <dlfcn.h> #include <execinfo.h> +#include <gnu/lib-names.h> #include <stdlib.h> #include <unwind.h> @@ -49,7 +50,7 @@ dummy_getcfa (struct _Unwind_Context *ctx __attribute__ ((unused))) static void init (void) { - libgcc_handle = __libc_dlopen ("libgcc_s.so.1"); + libgcc_handle = __libc_dlopen (LIBGCC_S_SO); if (libgcc_handle == NULL) return; |