mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-24 22:48:22 +00:00
6d5a31d134
As long as the GLIB format value is not available and this test case uses 32bit offsets is fine to cast it down. But maybe we should import glib.h and use the proper portable formatting.
84 lines
2.8 KiB
C
Executable file
84 lines
2.8 KiB
C
Executable file
#include <sys/types.h>
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#include <stdint.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(uch handle, uint64_t address, uint32_t size, void *user_data) {
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fprintf(stderr, "# >>> Tracing basic block at 0x%llx, 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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uch u;
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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, &u);
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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(u, 0x1000000, 4096);
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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(u, 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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uch h1, h2;
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err = uc_hook_add(u, &h1, UC_HOOK_BLOCK, cb_hookblock, NULL, (uint64_t)1, (uint64_t)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(u, 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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