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75d90aff52
* make cleanup * Update .travis.yml Update eflags_nosync.c Update sigill2.c Update ro_mem_test.c Update ro_mem_test.c Update nr_mem_test.c Update mem_fuzz.c Update mem_double_unmap.c Update emu_stop_in_hook_overrun.c Update eflags_nosync.c remove unused Update Makefile Update Makefile Update Makefile Update Makefile Update Makefile Update Makefile Update Makefile Update mem_64_c.c Update mem_64_c.c Update Makefile Update Makefile Update Makefile Update Makefile Update Makefile Update Makefile Update .travis.yml try android ndk build Update unicorn.py Update unicorn.py Update Makefile Update unicorn.py Update unicorn.py remove an untrue comment if a dll/so/dylib gets loaded at runtime is dependent on many different factors, primarily the LD/DYLD paths. Those do not always include the current working directory Update Makefile Update .appveyor.yml Update .travis.yml Update Makefile Update .appveyor.yml Fix bad sample * Update Makefile * Update Makefile * Update install-cmocka-linux.sh * remove verbose option from tar * add upgrade to pacman for cmake * pacman double update, needed to get new packages * enable cmocka unit testing * rejigger commands to fail on any step should get fails in msys builds for cmocka * fix quote * make cmocka in cygwin only * add msys cache
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
#include <sys/types.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <unicorn/unicorn.h>
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static int count = 1;
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// Callback function for tracing code (UC_HOOK_CODE & UC_HOOK_BLOCK)
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// @address: address where the code is being executed
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// @size: size of machine instruction being executed
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// @user_data: user data passed to tracing APIs.
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void cb_hookblock(uc_engine *uc, uint64_t address, uint32_t size, void *user_data) {
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fprintf(stderr, "# >>> Tracing basic block at 0x%"PRIx64", block size = 0x%x\n", address, size);
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if (address != 0x1000000 && address != 0x1000200) {
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fprintf(stderr, "not ok %d - address != 0x1000000 && address != 0x1000200\n", count++);
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_exit(1);
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}
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fprintf(stderr, "ok %d - address (0x%x) is start of basic block\n", count++, (uint32_t)address);
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if (size != 0x200) {
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fprintf(stderr, "not ok %d - basic block size != 0x200\n", count++);
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_exit(1);
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}
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fprintf(stderr, "ok %d - basic block size is correct\n", count++);
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}
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int main() {
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uc_engine *uc;
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fprintf(stderr, "# basic block callback test\n");
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fprintf(stderr, "# there are only two basic blocks 0x1000000-0x10001ff and 0x1000200-0x10003ff\n");
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uc_err err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
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if (err != UC_ERR_OK) {
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fprintf(stderr, "not ok %d - %s\n", count++, uc_strerror(err));
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exit(0);
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}
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fprintf(stderr, "ok %d - uc_open\n", count++);
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err = uc_mem_map(uc, 0x1000000, 4096, UC_PROT_ALL);
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if (err != UC_ERR_OK) {
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fprintf(stderr, "not ok %d - %s\n", count++, uc_strerror(err));
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exit(0);
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}
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fprintf(stderr, "ok %d - uc_mem_map\n", count++);
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uint8_t code[1024];
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//build a program that consists of 1019 nops followed by a jump -512
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//this program contains exactly 2 basic blocks, a block of 512 nops, followed
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//by a loop body containing 507 nops and jump to the top of the loop
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//the first basic block begins at address 0x1000000, and the second
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//basic block begins at address 0x1000200
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memset(code, 0x90, sizeof(code));
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memcpy(code + 1024 - 5, "\xe9\x00\xfe\xff\xff", 5);
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err = uc_mem_write(uc, 0x1000000, code, sizeof(code));
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if (err != UC_ERR_OK) {
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fprintf(stderr, "not ok %d - %s\n", count++, uc_strerror(err));
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exit(0);
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}
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fprintf(stderr, "ok %d - uc_mem_write\n", count++);
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uc_hook h1;
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err = uc_hook_add(uc, &h1, UC_HOOK_BLOCK, cb_hookblock, NULL, 1, 0);
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if (err != UC_ERR_OK) {
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fprintf(stderr, "not ok %d - %s\n", count++, uc_strerror(err));
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exit(0);
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}
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fprintf(stderr, "ok %d - uc_hook_add\n", count++);
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err = uc_emu_start(uc, 0x1000000, 0x1000000 + sizeof(code), 0, 1030);
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if (err != UC_ERR_OK) {
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fprintf(stderr, "not ok %d - %s\n", count++, uc_strerror(err));
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exit(0);
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}
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fprintf(stderr, "ok %d - uc_emu_start\n", count++);
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fprintf(stderr, "ok %d - Done", count++);
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return 0;
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}
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