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Merge pull request #77 from lunixbochs/master

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fix invalid memory hook in Go bindings
This commit is contained in:
Nguyen Anh Quynh 2015-08-30 02:41:40 +08:00
commit 7481f0f0c6
3 changed files with 12 additions and 7 deletions
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4
bindings/go/unicorn/hook.c
View file

@ -9,8 +9,8 @@ void hookCode_cgo(uch handle, uint64_t addr, uint32_t size, void *user) {
hookCode(handle, addr, size, user);
}
bool hookMemInvalid_cgo(uch handle, uc_mem_type type, uint64_t addr, int64_t value, void *user) {
return hookMemInvalid(handle, type, addr, value, user);
bool hookMemInvalid_cgo(uch handle, uc_mem_type type, uint64_t addr, int size, int64_t value, void *user) {
return hookMemInvalid(handle, type, addr, size, value, user);
}
void hookMemAccess_cgo(uch handle, uc_mem_type type, uint64_t addr, int size, int64_t value, void *user) {

13
bindings/go/unicorn/hook.go
View file

@ -23,15 +23,15 @@ func hookCode(handle C.uch, addr C.uint64_t, size C.uint32_t, user unsafe.Pointe
}
//export hookMemInvalid
func hookMemInvalid(handle C.uch, typ C.uc_mem_type, addr C.uint64_t, value C.int64_t, user unsafe.Pointer) C.bool {
func hookMemInvalid(handle C.uch, typ C.uc_mem_type, addr C.uint64_t, size int, value C.int64_t, user unsafe.Pointer) C.bool {
hook := (*HookData)(user)
return C.bool(hook.Callback.(func(*Uc, int, uint64, int64) bool)(hook.Uc, int(typ), uint64(addr), int64(value)))
return C.bool(hook.Callback.(func(*Uc, int, uint64, int, int64) bool)(hook.Uc, int(typ), uint64(addr), size, int64(value)))
}
//export hookMemAccess
func hookMemAccess(handle C.uch, typ C.uc_mem_type, addr C.uint64_t, size int, value C.int64_t, user unsafe.Pointer) {
hook := (*HookData)(user)
hook.Callback.(func(*Uc, int, uint64, uint32, int64))(hook.Uc, int(typ), uint64(addr), uint32(size), int64(value))
hook.Callback.(func(*Uc, int, uint64, int, int64))(hook.Uc, int(typ), uint64(addr), size, int64(value))
}
//export hookX86In
@ -52,6 +52,8 @@ func hookX86Syscall(handle C.uch, user unsafe.Pointer) {
hook.Callback.(func(*Uc))(hook.Uc)
}
var hookRetain = make(map[C.uch]*HookData)
func (u *Uc) HookAdd(htype int, cb interface{}, insn ...int) (C.uch, error) {
var callback unsafe.Pointer
var extra C.int
@ -78,10 +80,13 @@ func (u *Uc) HookAdd(htype int, cb interface{}, insn ...int) (C.uch, error) {
return 0, errors.New("Unknown hook type.")
}
var h2 C.uch
C.uc_hook_add2(u.Handle, &h2, C.uc_hook_t(htype), callback, unsafe.Pointer(&HookData{u, cb}), extra)
data := &HookData{u, cb}
C.uc_hook_add2(u.Handle, &h2, C.uc_hook_t(htype), callback, unsafe.Pointer(data), extra)
hookRetain[h2] = data
return h2, nil
}
func (u *Uc) HookDel(hook *C.uch) error {
delete(hookRetain, *hook)
return errReturn(C.uc_hook_del(u.Handle, hook))
}

2
bindings/go/unicorn/hook.h
View file

@ -1,6 +1,6 @@
uc_err uc_hook_add2(uch handle, uch *h2, uc_hook_t type, void *callback, void *user_data, int extra);
void hookCode_cgo(uch handle, uint64_t addr, uint32_t size, void *user);
bool hookMemInvalid_cgo(uch handle, uc_mem_type type, uint64_t addr, int64_t value, void *user);
bool hookMemInvalid_cgo(uch handle, uc_mem_type type, uint64_t addr, int size, int64_t value, void *user);
void hookMemAccess_cgo(uch handle, uc_mem_type type, uint64_t addr, int size, int64_t value, void *user);
uint32_t hookX86In_cgo(uch handle, uint32_t port, uint32_t size, void *user);
void hookX86Out_cgo(uch handle, uint32_t port, uint32_t size, uint32_t value, void *user);