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change uch to uc_struct (hook)

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This commit is contained in:
Jonathon Reinhart 2015-08-26 06:11:39 -04:00
parent 5f89f9884e
commit b9f7850efb
2 changed files with 10 additions and 27 deletions
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31
hook.c
View file

@ -38,13 +38,9 @@ size_t hook_find_new(struct uc_struct *uc)
} }
// return -1 on failure, index to hook_callbacks[] on success. // return -1 on failure, index to hook_callbacks[] on success.
size_t hook_add(uch handle, int type, uint64_t begin, uint64_t end, void *callback, void *user_data) size_t hook_add(struct uc_struct *uc, int type, uint64_t begin, uint64_t end, void *callback, void *user_data)
{ {
int i; int i;
struct uc_struct *uc = (struct uc_struct *)(uintptr_t)handle;
if (handle == 0)
return -1;
// find the first free slot. skip slot 0, so index > 0 // find the first free slot. skip slot 0, so index > 0
i = hook_find_new(uc); i = hook_find_new(uc);
@ -95,13 +91,8 @@ size_t hook_add(uch handle, int type, uint64_t begin, uint64_t end, void *callba
} }
// return 0 on success, -1 on failure // return 0 on success, -1 on failure
uc_err hook_del(uch handle, uch *h2) uc_err hook_del(struct uc_struct *uc, uch *h2)
{ {
struct uc_struct *uc = (struct uc_struct *)(uintptr_t)handle;
if (handle == 0)
return UC_ERR_UCH;
if (*h2 == uc->hook_block_idx) { if (*h2 == uc->hook_block_idx) {
uc->hook_block_idx = 0; uc->hook_block_idx = 0;
} }
@ -205,26 +196,19 @@ static struct hook_struct *_hook_find(struct uc_struct *uc, int type, uint64_t a
} }
static void hook_count_cb(uch handle, uint64_t address, uint32_t size, void *user_data) static void hook_count_cb(struct uc_struct *uc, uint64_t address, uint32_t size, void *user_data)
{ {
struct uc_struct *uc = (struct uc_struct *)(uintptr_t)handle;
// count this instruction // count this instruction
uc->emu_counter++; uc->emu_counter++;
if (uc->emu_counter > uc->emu_count) if (uc->emu_counter > uc->emu_count)
uc_emu_stop(handle); uc_emu_stop(uc);
else if (uc->hook_count_callback) else if (uc->hook_count_callback)
uc->hook_count_callback(handle, address, size, user_data); uc->hook_count_callback(uc, address, size, user_data);
} }
struct hook_struct *hook_find(uch handle, int type, uint64_t address) struct hook_struct *hook_find(struct uc_struct *uc, int type, uint64_t address)
{ {
struct uc_struct *uc = (struct uc_struct *)(uintptr_t)handle;
if (handle == 0)
return NULL;
// stop executing callbacks if we already got stop request // stop executing callbacks if we already got stop request
if (uc->stop_request) if (uc->stop_request)
return NULL; return NULL;
@ -269,6 +253,5 @@ void helper_uc_tracecode(int32_t size, void *callback, void *handle, int64_t add
uc->set_pc(uc, address); uc->set_pc(uc, address);
} }
((uc_cb_hookcode_t)callback)((uch)handle, address, size, user_data); ((uc_cb_hookcode_t)callback)(uc, address, size, user_data);
} }

6
include/hook.h
View file

@ -5,13 +5,13 @@
#define UC_HOOK_H #define UC_HOOK_H
// return -1 on failure, index to traces[] on success. // return -1 on failure, index to traces[] on success.
size_t hook_add(uch handle, int type, uint64_t begin, uint64_t end, void *callback, void *user_data); size_t hook_add(struct uc_struct *uc, int type, uint64_t begin, uint64_t end, void *callback, void *user_data);
// return 0 on success, -1 on failure // return 0 on success, -1 on failure
uc_err hook_del(uch handle, uch *traceh); uc_err hook_del(struct uc_struct *uc, uch *traceh);
// return NULL on failure // return NULL on failure
struct hook_struct *hook_find(uch handle, int type, uint64_t address); struct hook_struct *hook_find(struct uc_struct *uc, int type, uint64_t address);
// return index of an free hook entry in hook_callbacks[] array. // return index of an free hook entry in hook_callbacks[] array.
// this realloc memory if needed. // this realloc memory if needed.