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Allow integer literals as addresses in instrumented builtins. 

gcc/
	PR sanitizer/59029
	* gcc/asan.c (get_mem_refs_of_builtin_call): Allow
	integer literals as addresses in instrumented builtins.

gcc-testsuite/
	PR sanitizer/59029
	* c-c++-common/asan/pr59029.c: New test.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r204508
This commit is contained in:
Yury Gribov 2013-11-07 12:04:45 +00:00 committed by Yury Gribov
parent acf67b8e7c
commit 77e83307fe
4 changed files with 21 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2013-11-07 Yury Gribov <y.gribov@samsung.com>
Jakub Jelinek <jakub@redhat.com>
PR sanitizer/59029
* gcc/asan.c (get_mem_refs_of_builtin_call): Allow
integer literals as addresses in instrumented builtins.
2013-11-07 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_legitimize_reload_address):

2
gcc/asan.c
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@ -715,7 +715,7 @@ get_mem_refs_of_builtin_call (const gimple call,
instrument_derefs. */
if (TREE_CODE (dest) == ADDR_EXPR)
dest = TREE_OPERAND (dest, 0);
else if (TREE_CODE (dest) == SSA_NAME)
else if (TREE_CODE (dest) == SSA_NAME || TREE_CODE (dest) == INTEGER_CST)
dest = build2 (MEM_REF, TREE_TYPE (TREE_TYPE (dest)),
dest, build_int_cst (TREE_TYPE (dest), 0));
else

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2013-11-07 Yury Gribov <y.gribov@samsung.com>
Jakub Jelinek <jakub@redhat.com>
PR sanitizer/59029
* c-c++-common/asan/pr59029.c: New test.
2013-11-07 H.J. Lu <hongjiu.lu@intel.com>
PR target/59034

7
gcc/testsuite/c-c++-common/asan/pr59029.c Normal file
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@ -0,0 +1,7 @@
/* { dg-do compile } */
int
foo ()
{
return __sync_fetch_and_add ((int *) 0, 1);
}