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enter insn fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1135 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-11-14 15:39:16 +00:00
parent 9746b15b4e
commit 61a8c4ec3a
6 changed files with 92 additions and 16 deletions
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51
tests/test-i386.c
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@ -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;
}