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@ -36,10 +36,10 @@ Test for uc_emu_stop() in code hook not always stopping the emu at the current i
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// This should loop forever.
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const uint64_t addr = 0x100000;
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const unsigned char test_code[] = {
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0x00,0x00,0x00,0x00, // 100000: nop
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0x00,0x00,0x00,0x00, // 100004: nop
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0x00,0x00,0x00,0x00, // 100008: nop
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0x00,0x00,0x00,0x00, // 10000C: nop
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0x00,0x00,0x00,0x00, // 100000: nop
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0x00,0x00,0x00,0x00, // 100004: nop
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0x00,0x00,0x00,0x00, // 100008: nop
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0x00,0x00,0x00,0x00, // 10000C: nop
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};
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bool test_passed_ok = false;
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@ -47,12 +47,12 @@ bool test_passed_ok = false;
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// This hook is used to show that code is executing in the emulator.
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static void mips_codehook(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
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{
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printf("Executing: %llX\n", address);
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if( address == 0x100008 )
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{
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printf("Stopping at: %llX\n", address);
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uc_emu_stop(uc);
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}
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printf("Executing: %llX\n", address);
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if( address == 0x100008 )
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{
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printf("Stopping at: %llX\n", address);
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uc_emu_stop(uc);
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}
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}
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@ -60,74 +60,74 @@ int main(int argc, char **argv, char **envp)
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{
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uc_engine *uc;
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uc_err err;
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int ret;
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uc_hook hhc;
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uint32_t val;
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int ret;
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uc_hook hhc;
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uint32_t val;
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// dynamically load shared library
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// dynamically load shared library
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#ifdef DYNLOAD
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uc_dyn_load(NULL, 0);
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uc_dyn_load(NULL, 0);
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#endif
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// Initialize emulator in MIPS 32bit little endian mode
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// Initialize emulator in MIPS 32bit little endian mode
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printf("uc_open()\n");
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err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
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err = uc_open(UC_ARCH_MIPS, UC_MODE_MIPS32, &uc);
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if (err)
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{
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{
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printf("Failed on uc_open() with error returned: %u\n", err);
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return err;
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}
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// map in a page of mem
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printf("uc_mem_map()\n");
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err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
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// map in a page of mem
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printf("uc_mem_map()\n");
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err = uc_mem_map(uc, addr, 0x1000, UC_PROT_ALL);
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if (err)
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{
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{
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printf("Failed on uc_mem_map() with error returned: %u\n", err);
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return err;
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}
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// write machine code to be emulated to memory
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printf("uc_mem_write()\n");
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// write machine code to be emulated to memory
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printf("uc_mem_write()\n");
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err = uc_mem_write(uc, addr, test_code, sizeof(test_code));
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if( err )
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{
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if( err )
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{
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printf("Failed on uc_mem_write() with error returned: %u\n", err);
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return err;
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}
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// hook all instructions by having @begin > @end
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printf("uc_hook_add()\n");
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printf("uc_hook_add()\n");
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uc_hook_add(uc, &hhc, UC_HOOK_CODE, mips_codehook, NULL, (uint64_t)1, (uint64_t)0);
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if( err )
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{
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if( err )
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{
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printf("Failed on uc_hook_add(code) with error returned: %u\n", err);
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return err;
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}
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// start executing code
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printf("uc_emu_start()\n");
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uc_emu_start(uc, addr, addr+sizeof(test_code), 0, 0);
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// start executing code
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printf("uc_emu_start()\n");
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uc_emu_start(uc, addr, addr+sizeof(test_code), 0, 0);
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// done executing, print some reg values as a test
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uc_reg_read(uc, UC_MIPS_REG_PC, &val); printf("pc is %X\n", val);
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test_passed_ok = val == 0x100008;
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// free resources
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printf("uc_close()\n");
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uc_close(uc);
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if( test_passed_ok )
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printf("\n\nTEST PASSED!\n\n");
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else
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printf("\n\nTEST FAILED!\n\n");
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// done executing, print some reg values as a test
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uc_reg_read(uc, UC_MIPS_REG_PC, &val); printf("pc is %X\n", val);
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test_passed_ok = val == 0x100008;
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// dynamically free shared library
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// free resources
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printf("uc_close()\n");
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uc_close(uc);
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if( test_passed_ok )
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printf("\n\nTEST PASSED!\n\n");
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else
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printf("\n\nTEST FAILED!\n\n");
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// dynamically free shared library
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#ifdef DYNLOAD
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uc_dyn_free();
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#endif
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return 0;
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return 0;
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}
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