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Merge branch 'master' into java_dev

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This commit is contained in:
Chris Eagle 2015-09-24 09:48:44 -07:00
parent 4ebc876bd1 dc1e9d3626
commit f65ba7fb69
3 changed files with 26 additions and 9 deletions
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14
bindings/go/unicorn/hook.go
View file

@ -71,10 +71,7 @@ func (u *uc) HookAdd(htype int, cb interface{}, extra ...uint64) (Hook, error) {
case HOOK_BLOCK, HOOK_CODE:
rangeMode = true
callback = C.hookCode_cgo
case HOOK_MEM_INVALID:
rangeMode = true
callback = C.hookMemInvalid_cgo
case HOOK_MEM_READ, HOOK_MEM_WRITE, HOOK_MEM_READ_WRITE:
case HOOK_MEM_READ, HOOK_MEM_WRITE, HOOK_MEM_READ | HOOK_MEM_WRITE:
rangeMode = true
callback = C.hookMemAccess_cgo
case HOOK_INTR:
@ -92,7 +89,14 @@ func (u *uc) HookAdd(htype int, cb interface{}, extra ...uint64) (Hook, error) {
return 0, errors.New("Unknown instruction type.")
}
default:
return 0, errors.New("Unknown hook type.")
// special case for mask
if htype&(HOOK_MEM_READ_INVALID|HOOK_MEM_WRITE_INVALID|HOOK_MEM_FETCH_INVALID|
HOOK_MEM_READ_PROT|HOOK_MEM_WRITE_PROT|HOOK_MEM_FETCH_PROT) != 0 {
rangeMode = true
callback = C.hookMemInvalid_cgo
} else {
return 0, errors.New("Unknown hook type.")
}
}
var h2 C.uc_hook
data := &HookData{u, cb}

18
include/unicorn/unicorn.h
View file

@ -181,7 +181,20 @@ typedef enum uc_hook_type {
UC_HOOK_MEM_FETCH = 1 << 12, // Hook memory fetch for execution events
} uc_hook_type;
// Callback function for hooking memory (UC_HOOK_MEM_*)
// 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)
// Callback function for hooking memory (UC_MEM_READ, UC_MEM_WRITE & UC_MEM_FETCH)
// @type: this memory is being READ, or WRITE
// @address: address where the code is being executed
// @size: size of data being read or written
@ -190,7 +203,8 @@ typedef enum uc_hook_type {
typedef void (*uc_cb_hookmem_t)(uc_engine *uc, uc_mem_type type,
uint64_t address, int size, int64_t value, void *user_data);
// Callback function for handling memory events (for UC_HOOK_MEM_INVALID)
// Callback function for handling invalid memory access events (UC_MEM_*_INVALID and
// UC_MEM_*PROT events)
// @type: this memory is being READ, or WRITE
// @address: address where the code is being executed
// @size: size of data being read or written

3
samples/mem_apis.c
View file

@ -147,8 +147,7 @@ static void do_nx_demo(bool cause_fault)
// 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 ||
uc_hook_add(uc, &trace1,
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,
uc_hook_add(uc, &trace1, UC_HOOK_MEM_ERR,
hook_mem_invalid, NULL) != UC_ERR_OK) {
printf("not ok - Failed to install hooks\n");
return;