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add some hooking macros for all kind of memory access events

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Nguyen Anh Quynh 2015-09-24 19:21:31 +08:00
parent 738b8d89f9
commit 2599d41404
2 changed files with 20 additions and 2 deletions
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19
include/unicorn/unicorn.h
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@ -181,6 +181,25 @@ typedef enum uc_hook_type {
UC_HOOK_MEM_FETCH = 1 << 12, // Hook memory fetch for execution events UC_HOOK_MEM_FETCH = 1 << 12, // Hook memory fetch for execution events
} uc_hook_type; } uc_hook_type;
// hook type for all events of unmapped memory access
#define UC_HOOK_MEM_INVALID (UC_HOOK_MEM_READ_INVALID + UC_HOOK_MEM_WRITE_INVALID + UC_HOOK_MEM_FETCH_INVALID)
// hook type for all events of illegal protected memory access
#define UC_HOOK_MEM_PROT (UC_HOOK_MEM_READ_PROT + UC_HOOK_MEM_WRITE_PROT + UC_HOOK_MEM_FETCH_PROT)
// hook type for all events of illegal read memory access
#define UC_HOOK_MEM_READ_ERR (UC_HOOK_MEM_READ_PROT + UC_HOOK_MEM_READ_INVALID)
// hook type for all events of illegal write memory access
#define UC_HOOK_MEM_WRITE_ERR (UC_HOOK_MEM_WRITE_PROT + UC_HOOK_MEM_WRITE_INVALID)
// hook type for all events of illegal fetch memory access
#define UC_HOOK_MEM_FETCH_ERR (UC_HOOK_MEM_FETCH_PROT + UC_HOOK_MEM_FETCH_INVALID)
// hook type for all events of illegal memory access
#define UC_HOOK_MEM_ERR (UC_HOOK_MEM_INVALID + UC_HOOK_MEM_PROT)
// hook type for all events of read memory access
#define UC_HOOK_MEM_READ_ALL (UC_HOOK_MEM_READ_ERR + UC_HOOK_MEM_READ)
// hook type for all events of write memory access
#define UC_HOOK_MEM_WRITE_ALL (UC_HOOK_MEM_WRITE_ERR + UC_HOOK_MEM_WRITE)
// hook type for all events of fetch memory access
#define UC_HOOK_MEM_FETCH_ALL (UC_HOOK_MEM_FETCH_ERR + UC_HOOK_MEM_FETCH)
// Callback function for hooking memory (UC_MEM_READ, UC_MEM_WRITE & UC_MEM_FETCH) // Callback function for hooking memory (UC_MEM_READ, UC_MEM_WRITE & UC_MEM_FETCH)
// @type: this memory is being READ, or WRITE // @type: this memory is being READ, or WRITE
// @address: address where the code is being executed // @address: address where the code is being executed

3
samples/mem_apis.c
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@ -147,8 +147,7 @@ static void do_nx_demo(bool cause_fault)
// intercept code and invalid memory events // intercept code and invalid memory events
if (uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0) != UC_ERR_OK || if (uc_hook_add(uc, &trace2, UC_HOOK_CODE, hook_code, NULL, (uint64_t)1, (uint64_t)0) != UC_ERR_OK ||
uc_hook_add(uc, &trace1, uc_hook_add(uc, &trace1, UC_HOOK_MEM_ERR,
UC_HOOK_MEM_READ_INVALID | UC_HOOK_MEM_WRITE_INVALID | UC_HOOK_MEM_FETCH_INVALID | UC_HOOK_MEM_FETCH_PROT | UC_HOOK_MEM_WRITE_PROT | UC_HOOK_MEM_READ_PROT,
hook_mem_invalid, NULL) != UC_ERR_OK) { hook_mem_invalid, NULL) != UC_ERR_OK) {
printf("not ok - Failed to install hooks\n"); printf("not ok - Failed to install hooks\n");
return; return;