mirror of https://github.com/xemu-project/xemu.git
target/i386: fix incorrect EIP in PC-relative translation blocks
The PCREL patches introduced a bug when updating EIP in the !CF_PCREL case.
Using s->pc in func gen_update_eip_next() solves the problem.
Cc: qemu-stable@nongnu.org
Fixes: b5e0d5d22f
("target/i386: Fix 32-bit wrapping of pc/eip computation")
Signed-off-by: guoguangyao <guoguangyao18@mails.ucas.ac.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240115020804.30272-1-guoguangyao18@mails.ucas.ac.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -567,9 +567,9 @@ static void gen_update_eip_next(DisasContext *s)
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if (tb_cflags(s->base.tb) & CF_PCREL) {
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tcg_gen_addi_tl(cpu_eip, cpu_eip, s->pc - s->pc_save);
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} else if (CODE64(s)) {
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tcg_gen_movi_tl(cpu_eip, s->base.pc_next);
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tcg_gen_movi_tl(cpu_eip, s->pc);
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} else {
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tcg_gen_movi_tl(cpu_eip, (uint32_t)(s->base.pc_next - s->cs_base));
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tcg_gen_movi_tl(cpu_eip, (uint32_t)(s->pc - s->cs_base));
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}
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s->pc_save = s->pc;
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}
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