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correct restoring of CC_OP in case of exception

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@259 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-06-24 13:21:23 +00:00
parent 717fc2ad8d
commit f76af4b3f3
1 changed files with 20 additions and 9 deletions
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29
translate.c
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@ -59,7 +59,9 @@ uint16_t gen_opc_buf[OPC_BUF_SIZE];
uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
uint32_t gen_opc_pc[OPC_BUF_SIZE];
uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
#if defined(TARGET_I386)
uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
#endif
#ifdef DEBUG_DISAS
static const char *op_str[] = {
@ -111,7 +113,7 @@ int cpu_gen_code(TranslationBlock *tb,
uint8_t *gen_code_buf;
int gen_code_size;
if (gen_intermediate_code(tb, 0) < 0)
if (gen_intermediate_code(tb) < 0)
return -1;
/* generate machine code */
@ -143,18 +145,16 @@ static const unsigned short opc_copy_size[] = {
#undef DEF
};
/* The simulated PC corresponding to
'searched_pc' in the generated code is searched. 0 is returned if
found. *found_pc contains the found PC.
/* The cpu state corresponding to 'searched_pc' is restored.
*/
int cpu_search_pc(TranslationBlock *tb,
uint32_t *found_pc, unsigned long searched_pc)
int cpu_restore_state(TranslationBlock *tb,
CPUState *env, unsigned long searched_pc)
{
int j, c;
unsigned long tc_ptr;
uint16_t *opc_ptr;
if (gen_intermediate_code(tb, 1) < 0)
if (gen_intermediate_code_pc(tb) < 0)
return -1;
/* find opc index corresponding to search_pc */
@ -176,7 +176,18 @@ int cpu_search_pc(TranslationBlock *tb,
/* now find start of instruction before */
while (gen_opc_instr_start[j] == 0)
j--;
*found_pc = gen_opc_pc[j];
#if defined(TARGET_I386)
{
int cc_op;
env->eip = gen_opc_pc[j] - tb->cs_base;
cc_op = gen_opc_cc_op[j];
if (cc_op != CC_OP_DYNAMIC)
env->cc_op = cc_op;
}
#elif defined(TARGET_ARM)
env->regs[15] = gen_opc_pc[j];
#endif
return 0;
}