From: Richard Henderson <rth@twiddle.net>
Date: Thu, 17 Apr 2014 04:32:27 +0000 (-0700)
Subject: alpha: Enable unwind tables for backtrace.c
X-Git-Tag: glibc-2.20~614
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d77c0899db92dfc2bed535efb91cf9918478fd86;p=thirdparty%2Fglibc.git

alpha: Enable unwind tables for backtrace.c
---

diff --git a/ChangeLog b/ChangeLog
index 31731d3d102..a54ec9ad077 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2014-04-16  Richard Henderson  <rth@redhat.com>
 
+	* sysdeps/alpha/Makefile [debug] (CFLAGS-backtrace.c): Enable
+	unwind tables.
+
 	* sysdeps/unix/alpha/sysdep.h (__pointer_chk_guard): Remove
 	const from the non-libc, non-ldso copy.
 
diff --git a/sysdeps/alpha/Makefile b/sysdeps/alpha/Makefile
index 1cf77fb239b..bf133b9bc0d 100644
--- a/sysdeps/alpha/Makefile
+++ b/sysdeps/alpha/Makefile
@@ -20,6 +20,11 @@ ifeq ($(subdir),db2)
 CPPFLAGS += -DHAVE_SPINLOCKS=1 -DHAVE_ASSEM_ALPHA=1
 endif
 
+ifeq ($(subdir),debug)
+# Consider making this GCC's default...
+CFLAGS-backtrace.c = -fasynchronous-unwind-tables
+endif
+
 ifeq ($(subdir),gmon)
 sysdep_routines += _mcount
 endif