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update samples to conform to uc API changes

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This commit is contained in:
Jonathon Reinhart
2015-09-02 21:25:59 -04:00
parent bd0a6921cc
commit 0feab69a61
5 changed files with 88 additions and 85 deletions
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31
regress/nr_mem_test.c
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@@ -36,7 +36,7 @@ bits 32
*/
// callback for tracing memory access (READ or WRITE)
static bool hook_mem_invalid(uch handle, uc_mem_type type,
static bool hook_mem_invalid(struct uc_struct *uc, uc_mem_type type,
uint64_t address, int size, int64_t value, void *user_data)
{
@@ -54,42 +54,43 @@ static bool hook_mem_invalid(uch handle, uc_mem_type type,
int main(int argc, char **argv, char **envp)
{
uch handle, trace1, trace2;
struct uc_struct *uc;
uc_hook_h trace1, trace2;
uc_err err;
uint32_t eax, ebx;
printf("Memory protections test\n");
// Initialize emulator in X86-32bit mode
err = uc_open(UC_ARCH_X86, UC_MODE_32, &handle);
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err) {
printf("Failed on uc_open() with error returned: %u\n", err);
return 1;
}
uc_mem_map(handle, 0x100000, 0x1000, UC_PROT_READ);
uc_mem_map(handle, 0x300000, 0x1000, UC_PROT_READ | UC_PROT_WRITE);
uc_mem_map(handle, 0x400000, 0x1000, UC_PROT_WRITE);
uc_mem_map(uc, 0x100000, 0x1000, UC_PROT_READ);
uc_mem_map(uc, 0x300000, 0x1000, UC_PROT_READ | UC_PROT_WRITE);
uc_mem_map(uc, 0x400000, 0x1000, UC_PROT_WRITE);
// write machine code to be emulated to memory
if (uc_mem_write(handle, 0x100000, PROGRAM, sizeof(PROGRAM))) {
if (uc_mem_write(uc, 0x100000, PROGRAM, sizeof(PROGRAM))) {
printf("Failed to write emulation code to memory, quit!\n");
return 2;
} else {
printf("Allowed to write to read only memory via uc_mem_write\n");
}
uc_mem_write(handle, 0x300000, (const uint8_t*)"\x41\x41\x41\x41", 4);
uc_mem_write(handle, 0x400000, (const uint8_t*)"\x42\x42\x42\x42", 4);
uc_mem_write(uc, 0x300000, (const uint8_t*)"\x41\x41\x41\x41", 4);
uc_mem_write(uc, 0x400000, (const uint8_t*)"\x42\x42\x42\x42", 4);
//uc_hook_add(handle, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)0x400000, (uint64_t)0x400fff);
//uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)0x400000, (uint64_t)0x400fff);
// intercept invalid memory events
uc_hook_add(handle, &trace1, UC_HOOK_MEM_INVALID, hook_mem_invalid, NULL);
uc_hook_add(uc, &trace1, UC_HOOK_MEM_INVALID, hook_mem_invalid, NULL);
// emulate machine code in infinite time
printf("BEGIN execution\n");
err = uc_emu_start(handle, 0x100000, 0x100000 + sizeof(PROGRAM), 0, 2);
err = uc_emu_start(uc, 0x100000, 0x100000 + sizeof(PROGRAM), 0, 2);
if (err) {
printf("Expected failure on uc_emu_start() with error returned %u: %s\n",
err, uc_strerror(err));
@@ -98,12 +99,12 @@ int main(int argc, char **argv, char **envp)
}
printf("END execution\n");
uc_reg_read(handle, UC_X86_REG_EAX, &eax);
uc_reg_read(uc, UC_X86_REG_EAX, &eax);
printf("Final eax = 0x%x\n", eax);
uc_reg_read(handle, UC_X86_REG_EBX, &ebx);
uc_reg_read(uc, UC_X86_REG_EBX, &ebx);
printf("Final ebx = 0x%x\n", ebx);
uc_close(&handle);
uc_close(uc);
return 0;
}