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target/i386/translate: Synchronize EIP if read/write callbacks are set

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This is another feature that was left by the wayside when upgrading
qemu. It's fairly trivial to restore.
This commit is contained in:
Lioncash 2018-09-03 14:40:43 -04:00
parent 0d0d8b6db9
commit fffc31e7e2
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1 changed files with 7 additions and 0 deletions
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7
qemu/target/i386/translate.c
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@ -9202,6 +9202,9 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu)
printf("ERROR addseg\n");
#endif
// Unicorn: Used to synchronize EIP when read/write callbacks are set.
dc->prev_pc = dcbase->pc_first;
tcg_ctx->cpu_T0 = tcg_temp_new(tcg_ctx);
tcg_ctx->cpu_T1 = tcg_temp_new(tcg_ctx);
@ -9257,6 +9260,10 @@ static bool i386_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
static void i386_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
// Unicorn: Save previous PC to synchronize EIP
dc->prev_pc = dcbase->pc_next;
target_ulong pc_next = disas_insn(dc, cpu);
if (dc->tf || (dc->base.tb->flags & HF_INHIBIT_IRQ_MASK)) {