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GNU C Library master sources branch master updated. glibc-2.26.9000-1131-g4942c4e
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 16 Jan 2018 20:53:28 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.26.9000-1131-g4942c4e
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=4942c4ea48099b4ba9dfecf7cfbc452ae74811b5
commit 4942c4ea48099b4ba9dfecf7cfbc452ae74811b5
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jan 16 20:53:03 2018 +0000
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".
diff --git a/ChangeLog b/ChangeLog
index 9d96be0..42f871e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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 2706b50..d423cc0 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;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/x86_64/backtrace.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletions(-)
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