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This commit is contained in:
Nguyen Anh Quynh 2015-12-20 20:43:37 +08:00
parent 60f6fc425a
commit 5e8af30110
1 changed files with 72 additions and 72 deletions
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144
tests/regress/mips_branch_likely_issue.c
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@ -1,7 +1,7 @@
/*
Test for MIPS branch likely instructions only executing their delay slot instruction when the branch is taken.
Currently it seems to always execute the delay slot instruction like a normal non-"likely" style branch.
*/
Test for MIPS branch likely instructions only executing their delay slot instruction when the branch is taken.
Currently it seems to always execute the delay slot instruction like a normal non-"likely" style branch.
*/
// windows specific
#ifdef _MSC_VER
@ -35,17 +35,17 @@ Currently it seems to always execute the delay slot instruction like a normal no
const uint64_t addr = 0x100000;
// This code SHOULD execute the instruction at 0x10000C.
const unsigned char test_code_1[] = {
0x01,0x00,0x02,0x24, // 100000: li $v0, 1
0x02,0x00,0x03,0x24, // 100004: li $v1, 2
0x01,0x00,0x62,0x54, // 100008: bnel $v1, $v0, 0x100010
0x00,0x00,0x00,0x00, // 10000C: nop
0x01,0x00,0x02,0x24, // 100000: li $v0, 1
0x02,0x00,0x03,0x24, // 100004: li $v1, 2
0x01,0x00,0x62,0x54, // 100008: bnel $v1, $v0, 0x100010
0x00,0x00,0x00,0x00, // 10000C: nop
};
// This code SHOULD NOT execute the instruction at 0x10000C.
const unsigned char test_code_2[] = {
0x01,0x00,0x02,0x24, // 100000: li $v0, 1
0x01,0x00,0x03,0x24, // 100004: li $v1, 1
0x01,0x00,0x62,0x54, // 100008: bnel $v1, $v0, 0x100010
0x00,0x00,0x00,0x00, // 10000C: nop
0x01,0x00,0x02,0x24, // 100000: li $v0, 1
0x01,0x00,0x03,0x24, // 100004: li $v1, 1
0x01,0x00,0x62,0x54, // 100008: bnel $v1, $v0, 0x100010
0x00,0x00,0x00,0x00, // 10000C: nop
};
int test_num = 0;
bool test1_delayslot_executed = false;
@ -55,17 +55,17 @@ bool test2_delayslot_executed = false;
// This hook is used to show that code is executing in the emulator.
static void mips_codehook(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
{
printf("Test %d Executing: %llX\n", test_num, address);
if( test_num == 1 && address == 0x10000C )
{
printf("Delay slot executed!\n");
test1_delayslot_executed = true;
}
if( test_num == 2 && address == 0x10000C )
{
printf("Delay slot executed!\n");
test2_delayslot_executed = true;
}
printf("Test %d Executing: %llX\n", test_num, address);
if( test_num == 1 && address == 0x10000C )
{
printf("Delay slot executed!\n");
test1_delayslot_executed = true;
}
if( test_num == 2 && address == 0x10000C )
{
printf("Delay slot executed!\n");
test2_delayslot_executed = true;
}
}
@ -73,92 +73,92 @@ int main(int argc, char **argv, char **envp)
{
uc_engine *uc;
uc_err err;
uc_hook hhc;
uc_hook hhc;
// dynamically load shared library
// dynamically load shared library
#ifdef DYNLOAD
uc_dyn_load(NULL, 0);
uc_dyn_load(NULL, 0);
#endif
// Initialize emulator in MIPS 32bit little endian mode
// Initialize emulator in MIPS 32bit little endian mode
printf("uc_open()\n");
err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
if (err)
{
{
printf("Failed on uc_open() with error returned: %u\n", err);
return err;
}
// map in a page of mem
printf("uc_mem_map()\n");
err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
// map in a page of mem
printf("uc_mem_map()\n");
err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
if (err)
{
{
printf("Failed on uc_mem_map() with error returned: %u\n", err);
return err;
}
// hook all instructions by having @begin > @end
printf("uc_hook_add()\n");
printf("uc_hook_add()\n");
uc_hook_add(uc, &hhc, UC_HOOK_CODE, mips_codehook, NULL, (uint64_t)1, (uint64_t)0);
if( err )
{
if( err )
{
printf("Failed on uc_hook_add(code) with error returned: %u\n", err);
return err;
}
// write test1 code to be emulated to memory
test_num = 1;
printf("\nuc_mem_write(1)\n");
// write test1 code to be emulated to memory
test_num = 1;
printf("\nuc_mem_write(1)\n");
err = uc_mem_write(uc, addr, test_code_1, sizeof(test_code_1));
if( err )
{
if( err )
{
printf("Failed on uc_mem_write() with error returned: %u\n", err);
return err;
}
// start executing test code 1
printf("uc_emu_start(1)\n");
uc_emu_start(uc, addr, addr+sizeof(test_code_1), 0, 0);
// start executing test code 1
printf("uc_emu_start(1)\n");
uc_emu_start(uc, addr, addr+sizeof(test_code_1), 0, 0);
// write test2 code to be emulated to memory
test_num = 2;
printf("\nuc_mem_write(2)\n");
// write test2 code to be emulated to memory
test_num = 2;
printf("\nuc_mem_write(2)\n");
err = uc_mem_write(uc, addr, test_code_2, sizeof(test_code_2));
if( err )
{
if( err )
{
printf("Failed on uc_mem_write() with error returned: %u\n", err);
return err;
}
// start executing test code 2
printf("uc_emu_start(2)\n");
uc_emu_start(uc, addr, addr+sizeof(test_code_2), 0, 0);
// start executing test code 2
printf("uc_emu_start(2)\n");
uc_emu_start(uc, addr, addr+sizeof(test_code_2), 0, 0);
// free resources
printf("\nuc_close()\n");
uc_close(uc);
// print test results
// test 1 SHOULD execute the instruction at 0x10000C.
if( test1_delayslot_executed == true )
printf("\n\nTEST 1 PASSED!\n");
else
printf("\n\nTEST 1 FAILED!\n");
// test 2 SHOULD NOT execute the instruction at 0x10000C.
if( test2_delayslot_executed == false )
printf("TEST 2 PASSED!\n\n");
else
printf("TEST 2 FAILED!\n\n");
// free resources
printf("\nuc_close()\n");
uc_close(uc);
// dynamically free shared library
// print test results
// test 1 SHOULD execute the instruction at 0x10000C.
if( test1_delayslot_executed == true )
printf("\n\nTEST 1 PASSED!\n");
else
printf("\n\nTEST 1 FAILED!\n");
// test 2 SHOULD NOT execute the instruction at 0x10000C.
if( test2_delayslot_executed == false )
printf("TEST 2 PASSED!\n\n");
else
printf("TEST 2 FAILED!\n\n");
// dynamically free shared library
#ifdef DYNLOAD
uc_dyn_free();
#endif
return 0;
return 0;
}