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https://github.com/yuzu-emu/unicorn.git
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removing tests/regress/test_x86_shl.cpp
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samothtronicien
GitHub
parent
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <unicorn/unicorn.h>
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#ifdef _WIN32
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# include <Windows.h>
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# define printf OutputDebugStringA
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#endif
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char buffer[256];
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void hook_code(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
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{
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uint32_t eax = 0, ebx = 0, eflags = 0;
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uc_reg_read(uc, UC_X86_REG_EAX, &eax);
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uc_reg_read(uc, UC_X86_REG_EBX, &ebx);
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uc_reg_read(uc, UC_X86_REG_EFLAGS, &eflags);
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sprintf(buffer, "eip=%08x - eax=%08x - ebx=%08x - eflags=%08X\n", (uint32_t)address, eax, ebx, eflags);
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printf(buffer);
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}
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const char code32_prob[] = {
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0xBB, 0x3C, 0x00, 0x00, 0x00, //0x100000: mov ebx, 3Ch
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0xB1, 0x02, //0x100005: mov cl, 2
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0xD3, 0xE3, //0x100007: shl ebx, cl
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0x9F, //0x100009: lahf
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0xCC //0x10000A: int3
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};
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const char code32_ok[] = {
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0xBB, 0x3C, 0x00, 0x00, 0x00, //0x100000: mov ebx, 3Ch
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0xC1, 0xE3, 0x02, //0x100005: shl ebx, 2
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0x9F, //0x100008: lahf
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0xCC //0x100009: int3
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};
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const char code16_prob[] = {
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0x66, 0xBB, 0x3C, 0x00, //0x100000: mov bx, 3Ch
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0xB1, 0x02, //0x100004: mov cl, 2
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0x66, 0xD3, 0xE3, //0x100006: shl bx, cl
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0x9F, //0x100009: lahf
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0xCC //0x10000A: int3
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};
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const char code16_ok[] = {
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0x66, 0xBB, 0x3C, 0x00, //0x100000: mov bx, 3Ch
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0x66, 0xC1, 0xE3, 0x02, //0x100004: shl bx, 2
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0x9F, //0x100008: lahf
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0xCC //0x10000A: int3
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};
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const char code8_prob[] = {
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0xB3, 0x3C, //0x100000: mov bl, 3Ch
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0xB1, 0x02, //0x100002: mov cl, 2
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0xD2, 0xE3, //0x100004: shl bl, 2
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0x9F, //0x100006: lahf
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0xCC //0x100007: int3
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};
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const char code8_ok[] = {
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0xB3, 0x3C, //0x100000: mov bl, 3Ch
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0xC0, 0xE3, 0x02, //0x100002: shl bl, 2
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0x9F, //0x100005: lahf
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0xCC //0x100006: int3
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};
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const char code_SHL_JP_CL[] = {
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0xB4, 0x00, //0x100000: mov ah, 0
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0x9E, //0x100002: sahf
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0xB8, 0x3C, 0x00, 0x00, 0x00, //0x100003: mov eax, 3Ch
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0xB1, 0x02, //0x100008: mov cl, 2
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0xD3, 0xE0, //0x10000A: shl eax, cl
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0x7A, 0x07, //0x10000C: jp +7
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0xB8, 0x00, 0x00, 0x00, 0x00, //0x10000E: mov eax, 0
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0xEB, 0x05, //0x100014: jmp +5
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0xB8, 0x01, 0x00, 0x00, 0x00, //0x100016: mov eax, 1
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0xCC //0x10001B: int3
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};
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const char code_SHL_JP_NOCL[] = {
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0xB4, 0x00, //0x100000: mov ah, 0
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0x9E, //0x100002: sahf
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0xB8, 0x3C, 0x00, 0x00, 0x00, //0x100003: mov eax, 3Ch
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0xC1, 0xE0, 0x02, //0x100008: shl eax, 2
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0x7A, 0x07, //0x10000B: jp +7
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0xB8, 0x00, 0x00, 0x00, 0x00, //0x10000D: mov eax, 0
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0xEB, 0x05, //0x100014:
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0xB8, 0x01, 0x00, 0x00, 0x00, //0x100016: mov eax, 1
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0xCC //0x100017: int3
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};
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#define ADDR_START 0x100000
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#define TEST(X) if((X) != UC_ERR_OK) { \
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printf("error: '" #X "' failed\n"); \
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return 1; \
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}
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int main()
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{
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uint32_t eflags = 0, eax = 0;
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uc_engine * uc = NULL;
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TEST(uc_open(UC_ARCH_X86, UC_MODE_32, &uc));
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uc_hook trace_hook_code;
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TEST(uc_hook_add(uc, &trace_hook_code, UC_HOOK_CODE, hook_code, NULL, 1, 0));
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TEST(uc_mem_map(uc, ADDR_START, 0x1000, UC_PROT_READ | UC_PROT_EXEC));
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#define RUN_CODE(CODE) { \
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TEST(uc_mem_write(uc, ADDR_START, CODE, sizeof(CODE))); \
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printf("running " #CODE "...\n"); \
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eflags = 0; \
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uc_reg_write(uc, UC_X86_REG_EFLAGS, &eflags); \
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TEST(uc_emu_start(uc, ADDR_START, ADDR_START + sizeof(CODE) - 1, 0, 0)); \
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uc_reg_read(uc, UC_X86_REG_EFLAGS, &eflags); \
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uc_reg_read(uc, UC_X86_REG_EAX, &eax); \
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sprintf(buffer, "after uc_emu_start: eflags=%08X - ah=%08X - %s\n", eflags, (eax>>8) & 0xFF, eflags & 4 ? "success" : "failed"); \
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printf(buffer); \
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}
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//32 bits
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RUN_CODE(code32_prob);
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RUN_CODE(code32_ok);
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//16 bits
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RUN_CODE(code16_prob);
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RUN_CODE(code16_ok);
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//8 bits
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RUN_CODE(code8_prob);
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RUN_CODE(code8_ok);
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//test with JP-CL
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eflags = 0;
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uc_reg_write(uc, UC_X86_REG_EFLAGS, &eflags);
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TEST(uc_mem_write(uc, ADDR_START, code_SHL_JP_CL, sizeof(code_SHL_JP_CL)));
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printf("running code_SHL_JP_CL ...\n");
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TEST(uc_emu_start(uc, ADDR_START, ADDR_START + sizeof(code_SHL_JP_CL) - 1, 0, 0));
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eax = 0;
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uc_reg_read(uc, UC_X86_REG_EAX, &eax);
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if (eax == 1) printf("success\n");
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else printf("failed\n");
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//test with JP-NOCL
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eflags = 0;
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uc_reg_write(uc, UC_X86_REG_EFLAGS, &eflags);
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TEST(uc_mem_write(uc, ADDR_START, code_SHL_JP_NOCL, sizeof(code_SHL_JP_NOCL)));
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printf("running code_SHL_JP_NOCL ...\n");
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TEST(uc_emu_start(uc, ADDR_START, ADDR_START + sizeof(code_SHL_JP_NOCL) - 1, 0, 0));
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eax = 0;
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uc_reg_read(uc, UC_X86_REG_EAX, &eax);
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if (eax == 1) printf("success\n");
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else printf("failed\n");
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TEST(uc_close(uc));
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return 0;
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}
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