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clean up mem_protect related constants and error codes

This commit is contained in:
Chris Eagle 2015-09-01 12:10:09 -07:00
parent 73027026ce
commit 2c4f3769d4
5 changed files with 27 additions and 27 deletions
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12
include/unicorn/unicorn.h
View File

@ -116,9 +116,9 @@ typedef enum uc_err {
UC_ERR_HOOK, // Invalid hook type: uc_hook_add()
UC_ERR_INSN_INVALID, // Quit emulation due to invalid instruction: uc_emu_start()
UC_ERR_MAP, // Invalid memory mapping: uc_mem_map()
UC_ERR_PROT_WRITE, // Quit emulation due to UC_PROT_WRITE violation: uc_emu_start()
UC_ERR_PROT_READ, // Quit emulation due to UC_PROT_READ violation: uc_emu_start()
UC_ERR_PROT_EXEC, // Quit emulation due to UC_PROT_EXEC violation: uc_emu_start()
UC_ERR_WRITE_PROT, // Quit emulation due to UC_PROT_WRITE violation: uc_emu_start()
UC_ERR_READ_PROT, // Quit emulation due to UC_PROT_READ violation: uc_emu_start()
UC_ERR_EXEC_PROT, // Quit emulation due to UC_PROT_EXEC violation: uc_emu_start()
} uc_err;
@ -150,9 +150,9 @@ typedef enum uc_mem_type {
UC_MEM_READ = 16, // Memory is read from
UC_MEM_WRITE, // Memory is written to
UC_MEM_READ_WRITE, // Memory is accessed (either READ or WRITE)
UC_MEM_WRITE_NW, // write to non-writable memory
UC_MEM_READ_NR, // read from non-readable memory
UC_MEM_NX, // fetch from non-executable memory
UC_MEM_WRITE_PROT, // write to write protected memory
UC_MEM_READ_PROT, // read from read protected memory
UC_MEM_EXEC_PROT, // fetch from non-executable memory
} uc_mem_type;
// All type of hooks for uc_hook_add() API.

24
qemu/softmmu_template.h
View File

@ -185,13 +185,13 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
// Unicorn: callback on fetch from NX
if (mr != NULL && !(mr->perms & UC_PROT_EXEC)) { //non-executable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_NX, addr, DATA_SIZE, 0,
(uch)uc, UC_MEM_EXEC_PROT, addr, DATA_SIZE, 0,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_EXEC;
env->invalid_error = UC_ERR_EXEC_PROT;
// printf("***** Invalid fetch (non-executable) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return 0;
@ -227,13 +227,13 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
// Unicorn: callback on non-readable memory
if (mr != NULL && !(mr->perms & UC_PROT_READ)) { //non-readable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_READ_NR, addr, DATA_SIZE, 0,
(uch)uc, UC_MEM_READ_PROT, addr, DATA_SIZE, 0,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_READ;
env->invalid_error = UC_ERR_READ_PROT;
// printf("***** Invalid memory read (non-readable) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return 0;
@ -344,13 +344,13 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
// Unicorn: callback on fetch from NX
if (mr != NULL && !(mr->perms & UC_PROT_EXEC)) { //non-executable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_NX, addr, DATA_SIZE, 0,
(uch)uc, UC_MEM_EXEC_PROT, addr, DATA_SIZE, 0,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_EXEC;
env->invalid_error = UC_ERR_EXEC_PROT;
// printf("***** Invalid fetch (non-executable) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return 0;
@ -386,13 +386,13 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
// Unicorn: callback on non-readable memory
if (mr != NULL && !(mr->perms & UC_PROT_READ)) { //non-readable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_READ_NR, addr, DATA_SIZE, 0,
(uch)uc, UC_MEM_READ_PROT, addr, DATA_SIZE, 0,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_READ;
env->invalid_error = UC_ERR_READ_PROT;
// printf("***** Invalid memory read (non-readable) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return 0;
@ -565,13 +565,13 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
// Unicorn: callback on non-writable memory
if (mr != NULL && !(mr->perms & UC_PROT_WRITE)) { //non-writable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_WRITE_NW, addr, DATA_SIZE, (int64_t)val,
(uch)uc, UC_MEM_WRITE_PROT, addr, DATA_SIZE, (int64_t)val,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_WRITE;
env->invalid_error = UC_ERR_WRITE_PROT;
// printf("***** Invalid memory write (ro) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return;
@ -699,13 +699,13 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
// Unicorn: callback on non-writable memory
if (mr != NULL && !(mr->perms & UC_PROT_WRITE)) { //non-writable
if (uc->hook_mem_idx != 0 && ((uc_cb_eventmem_t)uc->hook_callbacks[uc->hook_mem_idx].callback)(
(uch)uc, UC_MEM_WRITE_NW, addr, DATA_SIZE, (int64_t)val,
(uch)uc, UC_MEM_WRITE_PROT, addr, DATA_SIZE, (int64_t)val,
uc->hook_callbacks[uc->hook_mem_idx].user_data)) {
env->invalid_error = UC_ERR_OK;
}
else {
env->invalid_addr = addr;
env->invalid_error = UC_ERR_PROT_WRITE;
env->invalid_error = UC_ERR_WRITE_PROT;
// printf("***** Invalid memory write (ro) at " TARGET_FMT_lx "\n", addr);
cpu_exit(uc->current_cpu);
return;

4
samples/mem_exec.c
View File

@ -118,7 +118,7 @@ static bool hook_mem_invalid(uch handle, uc_mem_type type,
default:
printf("not ok %d - UC_HOOK_MEM_INVALID type: %d at 0x%" PRIx64 "\n", log_num++, type, addr);
return false;
case UC_MEM_NX:
case UC_MEM_EXEC_PROT:
printf("# Fetch from non-executable memory at 0x%"PRIx64 "\n", addr);
//make page executable
@ -129,7 +129,7 @@ static bool hook_mem_invalid(uch handle, uc_mem_type type,
printf("ok %d - uc_mem_protect success at 0x%" PRIx64 "\n", log_num++, addr);
}
return true;
case UC_MEM_WRITE_NW:
case UC_MEM_WRITE_PROT:
printf("# write to non-writeable memory at 0x%"PRIx64 ", data size = %u, data value = 0x%"PRIx64 "\n", addr, size, value);
if (uc_mem_protect(handle, addr & ~0xfffL, 0x1000, UC_PROT_READ | UC_PROT_WRITE) != UC_ERR_OK) {

2
samples/mem_protect.c
View File

@ -145,7 +145,7 @@ static bool hook_mem_invalid(uch handle, uc_mem_type type,
default:
printf("not ok %d - UC_HOOK_MEM_INVALID type: %d at 0x%" PRIx64 "\n", log_num++, type, addr);
return false;
case UC_MEM_WRITE_NW:
case UC_MEM_WRITE_PROT:
printf("# write to non-writeable memory at 0x%"PRIx64 ", data size = %u, data value = 0x%"PRIx64 "\n", addr, size, value);
if (uc_mem_read(handle, addr, (uint8_t*)&testval, sizeof(testval)) != UC_ERR_OK) {

12
uc.c
View File

@ -92,12 +92,12 @@ const char *uc_strerror(uc_err code)
return "Invalid hook type (UC_ERR_HOOK)";
case UC_ERR_MAP:
return "Invalid memory mapping (UC_ERR_MAP)";
case UC_ERR_PROT_WRITE:
return "Write to non-writable memory (UC_ERR_PROT_WRITE)";
case UC_ERR_PROT_READ:
return "Read from non-readable memory (UC_ERR_PROT_READ)";
case UC_ERR_PROT_EXEC:
return "Fetch from non-executable memory (UC_ERR_PROT_EXEC)";
case UC_ERR_WRITE_PROT:
return "Write to write-protected memory (UC_ERR_WRITE_PROT)";
case UC_ERR_READ_PROT:
return "Read from non-readable memory (UC_ERR_READ_PROT)";
case UC_ERR_EXEC_PROT:
return "Fetch from non-executable memory (UC_ERR_EXEC_PROT)";
}
}