From f76af4b3f38aa0e0bbf9ac695339bd3eb87c09eb Mon Sep 17 00:00:00 2001 From: bellard Date: Tue, 24 Jun 2003 13:21:23 +0000 Subject: [PATCH] correct restoring of CC_OP in case of exception git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@259 c046a42c-6fe2-441c-8c8c-71466251a162 --- translate.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) diff --git a/translate.c b/translate.c index 5ccb45e0ee..2f11dfc030 100644 --- a/translate.c +++ b/translate.c @@ -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; }