diff options
| -rw-r--r-- | test/syscalls/linux/exceptions.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/test/syscalls/linux/exceptions.cc b/test/syscalls/linux/exceptions.cc index 72ab354e3..3f0aa8bf1 100644 --- a/test/syscalls/linux/exceptions.cc +++ b/test/syscalls/linux/exceptions.cc @@ -25,24 +25,28 @@ namespace testing { void inline Halt() { asm("hlt\r\n"); } void inline SetAlignmentCheck() { - asm("pushf\r\n" + asm("subq $128, %%rsp\r\n" // Avoid potential red zone clobber + "pushf\r\n" "pop %%rax\r\n" "or $0x40000, %%rax\r\n" "push %%rax\r\n" "popf\r\n" + "addq $128, %%rsp\r\n" : : : "ax"); } void inline ClearAlignmentCheck() { - asm("pushf\r\n" + asm("subq $128, %%rsp\r\n" // Avoid potential red zone clobber + "pushf\r\n" "pop %%rax\r\n" "mov $0x40000, %%rbx\r\n" "not %%rbx\r\n" "and %%rbx, %%rax\r\n" "push %%rax\r\n" "popf\r\n" + "addq $128, %%rsp\r\n" : : : "ax", "bx"); |