* [PATCH] Put a breakpoint on __asan_report_error for ASAN
@ 2012-11-29 17:42 H.J. Lu
2013-11-29 21:56 ` H.J. Lu
0 siblings, 1 reply; 3+ messages in thread
From: H.J. Lu @ 2012-11-29 17:42 UTC (permalink / raw)
To: gcc-patches
Hi,
This patch puts a breakpoint on __asan_report_error if CFLAGS contains
-fsanitize=address, similar to fancy_abort and internal_error. OK to
install?
H.J.
--
2012-11-24 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.
diff --git a/gcc/configure b/gcc/configure
index e2c119e..004910f 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -27032,6 +27032,14 @@ if test "x$subdirs" != x; then
fi
echo "source ${srcdir}/gdbinit.in" >> .gdbinit
+# Put a breakpoint on __asan_report_error to help with debugging buffer
+# overflow.
+case "$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 c6f57bd..b9aaadb 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5017,6 +5017,14 @@ if test "x$subdirs" != x; then
fi
echo "source ${srcdir}/gdbinit.in" >> .gdbinit
+# Put a breakpoint on __asan_report_error to help with debugging buffer
+# overflow.
+case "$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 0000000..cf05825
--- /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
--
1.7.11.7
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] Put a breakpoint on __asan_report_error for ASAN
2012-11-29 17:42 [PATCH] Put a breakpoint on __asan_report_error for ASAN H.J. Lu
@ 2013-11-29 21:56 ` H.J. Lu
2013-12-02 8:09 ` Dodji Seketeli
0 siblings, 1 reply; 3+ messages in thread
From: H.J. Lu @ 2013-11-29 21:56 UTC (permalink / raw)
To: GCC Patches
On Thu, Nov 29, 2012 at 9:42 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Hi,
>
> This patch puts a breakpoint on __asan_report_error if CFLAGS contains
> -fsanitize=address, similar to fancy_abort and internal_error. OK to
> install?
>
>
> H.J.
> --
> 2012-11-24 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.
>
> diff --git a/gcc/configure b/gcc/configure
> index e2c119e..004910f 100755
> --- a/gcc/configure
> +++ b/gcc/configure
> @@ -27032,6 +27032,14 @@ if test "x$subdirs" != x; then
> fi
> echo "source ${srcdir}/gdbinit.in" >> .gdbinit
>
> +# Put a breakpoint on __asan_report_error to help with debugging buffer
> +# overflow.
> +case "$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 c6f57bd..b9aaadb 100644
> --- a/gcc/configure.ac
> +++ b/gcc/configure.ac
> @@ -5017,6 +5017,14 @@ if test "x$subdirs" != x; then
> fi
> echo "source ${srcdir}/gdbinit.in" >> .gdbinit
>
> +# Put a breakpoint on __asan_report_error to help with debugging buffer
> +# overflow.
> +case "$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 0000000..cf05825
> --- /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
> --
> 1.7.11.7
Ping.
--
H.J.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] Put a breakpoint on __asan_report_error for ASAN
2013-11-29 21:56 ` H.J. Lu
@ 2013-12-02 8:09 ` Dodji Seketeli
0 siblings, 0 replies; 3+ messages in thread
From: Dodji Seketeli @ 2013-12-02 8:09 UTC (permalink / raw)
To: H.J. Lu; +Cc: GCC Patches
"H.J. Lu" <hjl.tools@gmail.com> a écrit:
>> 2012-11-24 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.
This is OK, if nobody objects in the next 48h.
Thanks.
--
Dodji
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-11-29 17:42 [PATCH] Put a breakpoint on __asan_report_error for ASAN H.J. Lu
2013-11-29 21:56 ` H.J. Lu
2013-12-02 8:09 ` Dodji Seketeli
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