diff options
Diffstat (limited to 'tests/test-i386.c')
| -rw-r--r-- | tests/test-i386.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index 29f0dfa1fa..a4bfa34dee 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -1625,7 +1625,55 @@ void test_self_modifying_code(void) printf("smc_code2(%d) = %d\n", i, smc_code2(i)); } } - + +int enter_stack[4096]; + +#define TEST_ENTER(size, stack_type, level)\ +{\ + int esp_save, esp_val, ebp_val, ebp_save, i;\ + stack_type *ptr, *stack_end, *stack_ptr;\ + memset(enter_stack, 0, sizeof(enter_stack));\ + stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\ + ebp_val = (long)stack_ptr;\ + for(i=1;i<=32;i++)\ + *--stack_ptr = i;\ + esp_val = (long)stack_ptr;\ + asm("movl %%esp, %[esp_save]\n"\ + "movl %%ebp, %[ebp_save]\n"\ + "movl %[esp_val], %%esp\n"\ + "movl %[ebp_val], %%ebp\n"\ + "enter" size " $12, $" #level "\n"\ + "movl %%esp, %[esp_val]\n"\ + "movl %%ebp, %[ebp_val]\n"\ + "movl %[esp_save], %%esp\n"\ + "movl %[ebp_save], %%ebp\n"\ + : [esp_save] "=r" (esp_save),\ + [ebp_save] "=r" (ebp_save),\ + [esp_val] "=r" (esp_val),\ + [ebp_val] "=r" (ebp_val)\ + : "[esp_val]" (esp_val),\ + "[ebp_val]" (ebp_val));\ + printf("level=%d:\n", level);\ + printf("esp_val=0x%08lx\n", esp_val - (long)stack_end);\ + printf("ebp_val=0x%08lx\n", ebp_val - (long)stack_end);\ + for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\ + printf("%08x\n", ptr[0]);\ +} + +static void test_enter(void) +{ + TEST_ENTER("l", uint32_t, 0); + TEST_ENTER("l", uint32_t, 1); + TEST_ENTER("l", uint32_t, 2); + TEST_ENTER("l", uint32_t, 31); + + TEST_ENTER("w", uint16_t, 0); + TEST_ENTER("w", uint16_t, 1); + TEST_ENTER("w", uint16_t, 2); + TEST_ENTER("w", uint16_t, 31); +} + + static void *call_end __init_call = NULL; int main(int argc, char **argv) @@ -1653,5 +1701,6 @@ int main(int argc, char **argv) test_exceptions(); test_self_modifying_code(); test_single_step(); + test_enter(); return 0; } |