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Wed, 19 May 2021 11:31:26 -0700 (PDT) Received: from localhost.localdomain ([45.235.253.15]) by smtp.gmail.com with ESMTPSA id l9sm28428oou.43.2021.05.19.11.31.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 11:31:26 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 35/50] target/i386: Simplify gen_debug usage Date: Wed, 19 May 2021 13:30:35 -0500 Message-Id: <20210519183050.875453-36-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210519183050.875453-1-richard.henderson@linaro.org> References: <20210519183050.875453-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::c31; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc31.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Both invocations pass the start of the current instruction, which is available as s->base.pc_next. The function sets is_jmp, so we can eliminate a second setting. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini Message-Id: <20210514151342.384376-36-richard.henderson@linaro.org> --- target/i386/tcg/translate.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index c1d4d58c61..36e38ebebf 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -2614,10 +2614,10 @@ static void gen_interrupt(DisasContext *s, int intno, s->base.is_jmp = DISAS_NORETURN; } -static void gen_debug(DisasContext *s, target_ulong cur_eip) +static void gen_debug(DisasContext *s) { gen_update_cc_op(s); - gen_jmp_im(s, cur_eip); + gen_jmp_im(s, s->base.pc_next - s->cs_base); gen_helper_debug(cpu_env); s->base.is_jmp = DISAS_NORETURN; } @@ -7152,7 +7152,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) #ifdef WANT_ICEBP case 0xf1: /* icebp (undocumented, exits to external debugger) */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP); - gen_debug(s, pc_start - s->cs_base); + gen_debug(s); break; #endif case 0xfa: /* cli */ @@ -8586,8 +8586,7 @@ static bool i386_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu, /* If RF is set, suppress an internally generated breakpoint. */ int flags = dc->base.tb->flags & HF_RF_MASK ? BP_GDB : BP_ANY; if (bp->flags & flags) { - gen_debug(dc, dc->base.pc_next - dc->cs_base); - dc->base.is_jmp = DISAS_NORETURN; + gen_debug(dc); /* The address covered by the breakpoint must be included in [tb->pc, tb->pc + tb->size) in order to for it to be properly cleared -- thus we increment the PC here so that -- 2.25.1