From: H.J. Lu <hongjiu.lu@intel.com>
Date: Wed, 4 Dec 2013 14:53:36 +0000 (+0000)
Subject: Put a breakpoint on __asan_report_error for ASAN
X-Git-Tag: releases/gcc-4.9.0~2289
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3bd7b086fdd32ce44e735929351bfbc832e5bfaa;p=thirdparty%2Fgcc.git

Put a breakpoint on __asan_report_error for ASAN

	* configure.ac: Append gdbasan.in to .gdbinit if CFLAGS contains
	-fsanitize=address.
	* configure: Regenerated.

	* gdbasan.in: New file.

From-SVN: r205669
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 081787c094fd..b34c5f80af7e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2013-12-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* configure.ac: Append gdbasan.in to .gdbinit if CFLAGS contains
+	-fsanitize=address.
+	* configure: Regenerated.
+
+	* gdbasan.in: New file.
+
 2013-12-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/58726
diff --git a/gcc/configure b/gcc/configure
index fdf0cd0819b3..9e92c6390c51 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -27508,6 +27508,14 @@ fi
 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
 echo "python import sys; sys.path.append('${srcdir}'); import gdbhooks" >> .gdbinit
 
+# Put a breakpoint on __asan_report_error to help with debugging buffer
+# overflow.
+case "$CFLAGS" in
+*-fsanitize=address*)
+  echo "source ${srcdir}/gdbasan.in" >> .gdbinit
+  ;;
+esac
+
 gcc_tooldir='$(libsubdir)/$(libsubdir_to_prefix)$(target_noncanonical)'
 
 
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 91a22d58cf75..5cf3825cda7c 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5245,6 +5245,14 @@ fi
 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
 echo "python import sys; sys.path.append('${srcdir}'); import gdbhooks" >> .gdbinit
 
+# Put a breakpoint on __asan_report_error to help with debugging buffer
+# overflow.
+case "$CFLAGS" in
+*-fsanitize=address*)
+  echo "source ${srcdir}/gdbasan.in" >> .gdbinit
+  ;;
+esac
+
 gcc_tooldir='$(libsubdir)/$(libsubdir_to_prefix)$(target_noncanonical)'
 AC_SUBST(gcc_tooldir)
 AC_SUBST(dollar)
diff --git a/gcc/gdbasan.in b/gcc/gdbasan.in
new file mode 100644
index 000000000000..cf05825395b9
--- /dev/null
+++ b/gcc/gdbasan.in
@@ -0,0 +1,3 @@
+# Put a breakpoint on __asan_report_error to help with debugging buffer
+# overflow.
+b __asan_report_error