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[174.21.84.25]) by smtp.gmail.com with ESMTPSA id gf20sm4232234pjb.39.2021.03.02.09.57.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Mar 2021 09:57:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=myPurBGQOJ9HRp/gWQglk2sYpbZ88UPxyO7dwBmpmMU=; b=fmZkbOnYawAdkOF7sk7wzSQGcR0VRtmZsALiro0upU06EGlblkw8nLvWpOVvNQuCg2 d/j1fAdat4CjP6fC2Uwo2pP9iVF5a16xxa//D4xg4Vt8GgA5z3qKhW9LznWGw7lgsVMg 39QbrVtpTMEmQH1cZ9hLvy+LuRqWr9zjt2rQUKEoeCbd7DNFDPvUq2lib1e2iIoCIWC+ tIKq32UtdriFXXAiETczRmcR5bXr8tUtjFLVUHMbmYG1/UENd9HxrOzmprnBkV9eT24n +geMWoIHLjREmMhXn4puS5twr/MbcRP4C1//sjUzvY2gL8Nyu2JZNv9o01l9BvHn6raJ C1TQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=myPurBGQOJ9HRp/gWQglk2sYpbZ88UPxyO7dwBmpmMU=; b=fccjRN0f4wdqq/hHJZR9OyjnKIknq31d7VeJDN6drFeysGhsi15jrFLngKksFQjiIE 55BVtBPWi4VzhA/pKqreV5wDfj4lcXXA0UfTNEolLi1DbHpN/1Ad8DF52geR6hNpp3yu KVFclF79PQ/r9Qx0+dS1OuLSr7Uxhu/pCVe0ihcKqqCcDZ1+FV/dhpa+h6g03fEfoETB WWSc23ASYbhOLgQzOu9zcwPH/FZeZpm8/SFPV2CSBpMyUrVb1fsqHlraDJ3f4vPhKzYm BSGq6xGyW0xumiyHyA9AEb0EnVtqnRSKX9yQmpoD/ozh5YpHcvNM/GwoF5UcVbBN/Z0Z yaTQ== X-Gm-Message-State: AOAM532DxdGs5mMXWDYaEX14gZoMEsgqwQDsMskvQ63ogOzPjw9eAVhn qTocqQP4Omngn9QwODrOelvbbOFtXeoMNg== X-Google-Smtp-Source: ABdhPJxaijNWBp/8edIbKm4kgqgiP3xRaUA8ajxueqizdScqGtEbzOjIKW5LlsDrybdieLFdqx92Sg== X-Received: by 2002:a62:1b48:0:b029:1ed:a400:9c52 with SMTP id b69-20020a621b480000b02901eda4009c52mr4316540pfb.14.1614707868509; Tue, 02 Mar 2021 09:57:48 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 05/27] tcg: Split out tcg_raise_tb_overflow Date: Tue, 2 Mar 2021 09:57:19 -0800 Message-Id: <20210302175741.1079851-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210302175741.1079851-1-richard.henderson@linaro.org> References: <20210302175741.1079851-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::530; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x530.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: alex.bennee@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Allow other places in tcg to restart with a smaller tb. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- tcg/tcg.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index 63a12b197b..bbe3dcee03 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -346,6 +346,12 @@ static void set_jmp_reset_offset(TCGContext *s, int wh= ich) s->tb_jmp_reset_offset[which] =3D tcg_current_code_size(s); } =20 +/* Signal overflow, starting over with fewer guest insns. */ +static void QEMU_NORETURN tcg_raise_tb_overflow(TCGContext *s) +{ + siglongjmp(s->jmp_trans, -2); +} + #define C_PFX1(P, A) P##A #define C_PFX2(P, A, B) P##A##_##B #define C_PFX3(P, A, B, C) P##A##_##B##_##C @@ -1310,8 +1316,7 @@ static TCGTemp *tcg_temp_alloc(TCGContext *s) int n =3D s->nb_temps++; =20 if (n >=3D TCG_MAX_TEMPS) { - /* Signal overflow, starting over with fewer guest insns. */ - siglongjmp(s->jmp_trans, -2); + tcg_raise_tb_overflow(s); } return memset(&s->temps[n], 0, sizeof(TCGTemp)); } --=20 2.25.1