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x86: properly calculate EFLAGS when UC_HOOK_CODE is used. this should fix issue #246

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This commit is contained in:
Nguyen Anh Quynh
2015-11-05 20:26:39 +08:00
parent 95745eff3b
commit 51323c9c17
4 changed files with 7 additions and 7 deletions
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3
qemu/target-i386/cpu.h
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@@ -839,6 +839,7 @@ typedef struct CPUX86State {
/* standard registers */
target_ulong regs[CPU_NB_REGS];
target_ulong eip;
target_ulong eflags0; // copy of eflags that does not change thru the BB
target_ulong eflags; /* eflags register. During CPU emulation, CC
flags and DF are set to zero because they are
stored elsewhere */
@@ -1314,7 +1315,7 @@ void update_fp_status(CPUX86State *env);
static inline uint32_t cpu_compute_eflags(CPUX86State *env)
{
return env->eflags | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
return env->eflags0 | cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK);
}
/* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS