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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id k4sm16074pgr.87.2020.08.25.14.00.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 14:00:56 -0700 (PDT) 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=R2cuEf3Qt/jcGcIZclz+3Hjy1ReL2CdcRjCqzKw0P3k=; b=y7j3LQ8ylTbYEThvqr4pjXq1SJaaM+ejNwiqt3pPalI8eEIngELZet7AzpvhZUCIbK UT6kcLnuLzCRpKJRaBEdQg0CcQvOLN94WxIrWx2kpQR5BSHISh6qtmzN+WsMPJfR+y1x jn1CJcegAJ5ULs+cEubVud5X6T2oBxqqLmttC4WRSk68hmNvf8UjIJZPCkGCcw2bVWS8 Dc23wCLpbwcU4EIbdUhCF+HhMrPF33Tf6colk+3SZrJkbh6tZ8IYeBBQ62NF4hiXlLV4 /HYz1tGyinXNirsETo5+N6meIcqpl4qWVM6YmQscBTpqMCjzhjuYoN1dPPW+8U8YR7Fn Uo9A== 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=R2cuEf3Qt/jcGcIZclz+3Hjy1ReL2CdcRjCqzKw0P3k=; b=fmFI8FhhTutP0rb1JhMT2so9Jt5TklK/1pHPW9hDsCx2jPl3fCJNjZ1A5iVzn8wHOd jjJJryiI8thdRZ46RwliHz4KEe2xfW8rOM3VGW8IkRyUocVaCA8PAItM+VbWSPkALJaR CiKFnHABaPJpsjMSm7EQBTX7Id9ucU+fKsiHBtNviJrLCywEAyfL5pK7CvHPJ5TCMCYx JZ7WpiSqTvklmM/tVphHXiHZYjfJj4mHL3C6TU/lFvCfpjuyqX42iqvPJDjClP4zhhJe czYy4Tre5Ifl9YHAC1m/tb/KzjBQVhnYJEcIvdfKAQyiG4CPNlcZQ1r6ehVoYODqAARa YR9Q== X-Gm-Message-State: AOAM530sWTwx/oEVAOOoiTKYj3XEiPcZQ6s1lJMGFmLoNWPZv9LNZOHk lS0tw5BQDUSCxtJfh/4hGUrDUVN4IeMyEA== X-Google-Smtp-Source: ABdhPJw084YLCaztS/w94Nssbz87gRFUwCbLnFVpIGNMKaKRT2uQeIplqYgVD+6SpiepcM2plaX64w== X-Received: by 2002:a63:ec04:: with SMTP id j4mr7979363pgh.393.1598389257218; Tue, 25 Aug 2020 14:00:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 52/77] target/microblaze: Fix cpu unwind for stackprot Date: Tue, 25 Aug 2020 13:59:25 -0700 Message-Id: <20200825205950.730499-53-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200825205950.730499-1-richard.henderson@linaro.org> References: <20200825205950.730499-1-richard.henderson@linaro.org> MIME-Version: 1.0 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::543; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x543.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: edgar.iglesias@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Restore the correct PC when an exception must be raised. Signed-off-by: Richard Henderson --- target/microblaze/helper.h | 2 +- target/microblaze/op_helper.c | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/target/microblaze/helper.h b/target/microblaze/helper.h index 64816c89e1..a473c1867b 100644 --- a/target/microblaze/helper.h +++ b/target/microblaze/helper.h @@ -26,7 +26,7 @@ DEF_HELPER_4(mmu_write, void, env, i32, i32, i32) #endif =20 DEF_HELPER_5(memalign, void, env, tl, i32, i32, i32) -DEF_HELPER_2(stackprot, void, env, tl) +DEF_HELPER_FLAGS_2(stackprot, TCG_CALL_NO_WG, void, env, tl) =20 DEF_HELPER_2(get, i32, i32, i32) DEF_HELPER_3(put, void, i32, i32, i32) diff --git a/target/microblaze/op_helper.c b/target/microblaze/op_helper.c index 2c59d4492d..a99c467364 100644 --- a/target/microblaze/op_helper.c +++ b/target/microblaze/op_helper.c @@ -389,12 +389,16 @@ void helper_memalign(CPUMBState *env, target_ulong ad= dr, void helper_stackprot(CPUMBState *env, target_ulong addr) { if (addr < env->slr || addr > env->shr) { + CPUState *cs =3D env_cpu(env); + qemu_log_mask(CPU_LOG_INT, "Stack protector violation at " TARGET_FMT_lx " %x %x\n", addr, env->slr, env->shr); + env->ear =3D addr; env->esr =3D ESR_EC_STACKPROT; - helper_raise_exception(env, EXCP_HW_EXCP); + cs->exception_index =3D EXCP_HW_EXCP; + cpu_loop_exit_restore(cs, GETPC()); } } =20 --=20 2.25.1