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when block size is unknown because the translation cache is full, assign it value 0

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This commit is contained in:
Nguyen Anh Quynh 2015-08-25 16:10:05 +08:00
parent c3e95ec34e
commit 39d3856871
2 changed files with 5 additions and 3 deletions
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2
include/unicorn/unicorn.h
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@ -121,7 +121,7 @@ typedef enum uc_err {
// Callback function for tracing code (UC_HOOK_CODE & UC_HOOK_BLOCK)
// @address: address where the code is being executed
// @size: size of machine instruction being executed
// @size: size of machine instruction(s) being executed, or 0 when size is unknown
// @user_data: user data passed to tracing APIs.
typedef void (*uc_cb_hookcode_t)(uch handle, uint64_t address, uint32_t size, void *user_data);

6
qemu/translate-all.c
View File

@ -179,8 +179,10 @@ static int cpu_gen_code(CPUArchState *env, TranslationBlock *tb, int *gen_code_s
gen_intermediate_code(env, tb);
// Unicorn: when tracing block, patch 1st operand for block size
if (env->uc->hook_block) {
if (env->uc->block_addr == tb->pc)
if (env->uc->hook_block && env->uc->block_addr == tb->pc) {
if (env->uc->block_full) // block size is unknown
*(s->gen_opparam_buf + 1) = 0;
else
*(s->gen_opparam_buf + 1) = tb->size;
}