diff --git a/tests/regress/mips_delay_slot_code_hook.c b/tests/regress/mips_delay_slot_code_hook.c deleted file mode 100644 index 181b894b..00000000 --- a/tests/regress/mips_delay_slot_code_hook.c +++ /dev/null @@ -1,130 +0,0 @@ -/* -Test for code hook being called for instructions in branch delay slot in MIPS cpu. -See issue https://github.com/unicorn-engine/unicorn/issues/290 - -The code hook should be called for every instruction executed. -This test checks that the code hook is correctly called for instructions in branch delay slots. -In this test the loop check value is decremented inside the branch delay shot. -This helps to show that the instruction in the branch delay slot is being executed, -but that the code hook is just not occurring. -*/ - -#include - -#ifdef _MSC_VER -#include -#else -#include -#include -#endif - -#ifdef DYNLOAD -#include -#else -#include -#endif - - -// Test MIPS little endian code. -// It should loop 3 times before ending. -const uint64_t addr = 0x100000; -const unsigned char loop_test_code[] = { - 0x02,0x00,0x04,0x24, // 100000: li $a0, 2 - // loop1 - 0x00,0x00,0x00,0x00, // 100004: nop - 0xFE,0xFF,0x80,0x14, // 100008: bnez $a0, loop1 - 0xFF,0xFF,0x84,0x24, // 10000C: addiu $a0, -1 -}; -bool test_passed_ok = false; -int loop_count = 0; - - -static void mips_codehook(uc_engine *uc, uint64_t address, uint32_t size, void *user_data) -{ - if( address == 0x10000C ) - test_passed_ok = true; - if( address == 0x100004 ) - { - printf("\nloop %d:\n", loop_count); - loop_count++; - } - printf("Code: %llX\n", address); -} - - -int main(int argc, char **argv, char **envp) -{ - uc_engine *uc; - uc_err err; - uc_hook hhc; - uint32_t val; - - // dynamically load shared library -#ifdef DYNLOAD - uc_dyn_load(NULL, 0); -#endif - - // Initialize emulator in MIPS 32bit little endian mode - 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 - 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; - } - - // write machine code to be emulated to memory - err = uc_mem_write(uc, addr, loop_test_code, sizeof(loop_test_code)); - if( err ) - { - printf("Failed on uc_mem_write() with error returned: %u\n", err); - return err; - } - - // hook all instructions by having @begin > @end - uc_hook_add(uc, &hhc, UC_HOOK_CODE, mips_codehook, NULL, (uint64_t)1, (uint64_t)0); - if( err ) - { - printf("Failed on uc_hook_add(code) with error returned: %u\n", err); - return err; - } - - // execute code - printf("---- Executing Code ----\n"); - err = uc_emu_start(uc, addr, addr + sizeof(loop_test_code), 0, 0); - if (err) - { - printf("Failed on uc_emu_start() with error returned %u: %s\n", - err, uc_strerror(err)); - return err; - } - - // done executing, print some reg values as a test - printf("---- Execution Complete ----\n\n"); - uc_reg_read(uc, UC_MIPS_REG_PC, &val); printf("pc is %X\n", val); - uc_reg_read(uc, UC_MIPS_REG_A0, &val); printf("a0 is %X\n", val); - - // free resources - uc_close(uc); - - if( test_passed_ok ) - printf("\n\nTEST PASSED!\n\n"); - else - printf("\n\nTEST FAILED!\n\n"); - - // dynamically free shared library -#ifdef DYNLOAD - uc_dyn_free(); -#endif - - return 0; -} - -