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| author | H.J. Lu <hongjiu.lu@intel.com> | 2016-05-02 21:45:34 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2016-05-02 14:45:34 -0700 |
| commit | 50d94c29c00b00c0e569ec29b56715d8eb1c30af (patch) | |
| tree | 978023aee1320169f9cc06ab30317171c48b67c4 | |
| parent | bc1aee87f6494a59eea3ffbbb0577ccd85cdc4a1 (diff) | |
| download | gcc-50d94c29c00b00c0e569ec29b56715d8eb1c30af.zip gcc-50d94c29c00b00c0e569ec29b56715d8eb1c30af.tar.gz gcc-50d94c29c00b00c0e569ec29b56715d8eb1c30af.tar.bz2 | |
backport: Since x86 psABIs require the function incoming stack must align at 16 bytes...
Backport r265322 from llvm upstream
Since x86 psABIs require the function incoming stack must align at 16
bytes, child process stack passed to clone should be aligned at 16
bytes.
PR testsuite/70520
* c-c++-common/asan/clone-test-1.c (main): Align child process
stack to 16 bytes.
From-SVN: r235790
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/asan/clone-test-1.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4bd9f88..7bc4374 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2016-05-02 H.J. Lu <hongjiu.lu@intel.com> + + PR testsuite/70520 + * c-c++-common/asan/clone-test-1.c (main): Align child process + stack to 16 bytes. + 2016-05-02 David Malcolm <dmalcolm@redhat.com> PR c++/62314 diff --git a/gcc/testsuite/c-c++-common/asan/clone-test-1.c b/gcc/testsuite/c-c++-common/asan/clone-test-1.c index fd187aa..eeca09f 100644 --- a/gcc/testsuite/c-c++-common/asan/clone-test-1.c +++ b/gcc/testsuite/c-c++-common/asan/clone-test-1.c @@ -25,7 +25,7 @@ volatile int zero = 0; int main(int argc, char **argv) { int i; const int kStackSize = 1 << 20; - char child_stack[kStackSize + 1]; + char __attribute__((aligned(16))) child_stack[kStackSize + 1]; char *sp = child_stack + kStackSize; /* Stack grows down. */ printf("Parent: %p\n", sp); pid_t clone_pid = clone(Child, sp, CLONE_FILES | CLONE_VM, NULL, 0, 0, 0); |