projects / apple / libpthread.git / blame
| Commit | Line | Data |
|---|---|---|
| 214d78a2 A |
1 | #include <signal.h> |
| 2 | #include <pthread/stack_np.h> | |
| 3 | ||
| 4 | #include "darwintest_defaults.h" | |
| 5 | #include <darwintest_utils.h> | |
| 6 | ||
| 7 | #if defined(__arm64__) | |
| 8 | #define call_chkstk(value) \ | |
| 9 | __asm__ volatile("orr x9, xzr, %0\t\n" \ | |
| 10 | "bl _thread_chkstk_darwin" : : "i"(value) : "x9") | |
| 11 | #define TRAPSIG SIGTRAP | |
| 12 | #elif defined(__x86_64__) | |
| 13 | #define call_chkstk(value) \ | |
| 14 | __asm__ volatile("movq %0, %%rax\t\n" \ | |
| 15 | "callq _thread_chkstk_darwin" : : "i"(value) : "rax") | |
| 16 | #define TRAPSIG SIGILL | |
| 17 | #elif defined(__i386__) | |
| 18 | #define call_chkstk(value) \ | |
| 19 | __asm__ volatile("movl %0, %%eax\t\n" \ | |
| 20 | "calll _thread_chkstk_darwin" : : "i"(value) : "eax") | |
| 21 | #define TRAPSIG SIGILL | |
| 22 | #endif | |
| 23 | ||
| 24 | static void | |
| 25 | got_signal(int signo __unused) | |
| 26 | { | |
| 27 | T_PASS("calling with 1 << 24 crashed"); | |
| 28 | T_END; | |
| 29 | } | |
| 30 | ||
| 31 | T_DECL(chkstk, "chkstk", | |
| 32 | T_META_ALL_VALID_ARCHS(YES), T_META_CHECK_LEAKS(NO)) | |
| 33 | { | |
| 34 | #if defined(__arm__) | |
| 35 | T_SKIP("not on armv7"); | |
| 36 | #else | |
| 37 | ||
| 38 | call_chkstk(1 << 8); | |
| 39 | T_PASS("calling with 1 << 8"); | |
| 40 | ||
| 41 | call_chkstk(1 << 16); | |
| 42 | T_PASS("calling with 1 << 16"); | |
| 43 | ||
| 44 | signal(TRAPSIG, got_signal); | |
| 45 | ||
| 46 | call_chkstk(1 << 24); | |
| 47 | T_FAIL("should have crashed"); | |
| 48 | #endif | |
| 49 | } | |
| 50 | ||
| 51 | struct frame { | |
| 52 | uintptr_t frame; | |
| 53 | uintptr_t ret; | |
| 54 | }; | |
| 55 | ||
| 56 | OS_NOINLINE OS_NOT_TAIL_CALLED | |
| 57 | static void | |
| 58 | do_stack_frame_decode_test(struct frame frames[], size_t n, size_t count) | |
| 59 | { | |
| 60 | if (n < count) { | |
| 61 | frames[n].frame = (uintptr_t)__builtin_frame_address(1); | |
| 62 | frames[n].ret = (uintptr_t)__builtin_return_address(0); | |
| 63 | do_stack_frame_decode_test(frames, n + 1, count); | |
| 64 | } else { | |
| 65 | uintptr_t frame = (uintptr_t)__builtin_frame_address(1); | |
| 66 | uintptr_t ret; | |
| 67 | while (count-- > 0) { | |
| 68 | frame = pthread_stack_frame_decode_np(frame, &ret); | |
| 69 | T_EXPECT_EQ(frames[count].frame, frame, "Frame %zd", count); | |
| 70 | T_EXPECT_EQ(frames[count].ret, ret, "Retaddr %zd", count); | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | ||
| 75 | T_DECL(pthread_stack_frame_decode_np, "pthread_stack_frame_decode_np", | |
| 76 | T_META_ALL_VALID_ARCHS(YES), T_META_CHECK_LEAKS(NO)) | |
| 77 | { | |
| 78 | struct frame frames[10]; | |
| 79 | frames[0].frame = (uintptr_t)__builtin_frame_address(1); | |
| 80 | frames[0].ret = (uintptr_t)__builtin_return_address(0); | |
| 81 | do_stack_frame_decode_test(frames, 1, 10); | |
| 82 | } |