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[24.74.129.96]) by smtp.gmail.com with ESMTPSA id r13sm7141104qkk.73.2021.09.24.09.59.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Sep 2021 09:59:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 00/27] linux-user: Move signal trampolines to new page Date: Fri, 24 Sep 2021 12:58:59 -0400 Message-Id: <20210924165926.752809-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::f2d; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2d.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, laurent@vivier.eu Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Supercedes: 20210706234932.356913-1-richard.henderson@linaro.org ("[PATCH v2 00/36] linux-user: Signal trampolines and vdsos") Changes for v3: * Drop vdsos, reinstate setup_sigtramp for all targets. * Incorporate nios2 kuser page emulation, which contains the sigtramp for that target. Changes for v2: * Add vdsos for aarch64, arm, i386, riscv. * Drop setup_sigtramp for any target with a vdso. * Drop arm v1 signal support. * Simplify ppc encode_trampoline. r~ Richard Henderson (27): linux-user: Add infrastructure for a signal trampoline page linux-user/aarch64: Implement setup_sigtramp linux-user/arm: Drop v1 signal frames linux-user/arm: Drop "_v2" from symbols in signal.c linux-user/arm: Implement setup_sigtramp linux-user/alpha: Implement setup_sigtramp linux-user/cris: Implement setup_sigtramp linux-user/hexagon: Implement setup_sigtramp linux-user/hppa: Document non-use of setup_sigtramp linux-user/i386: Implement setup_sigtramp linux-user/x86_64: Raise SIGSEGV if SA_RESTORER not set linux-user/m68k: Implement setup_sigtramp linux-user/microblaze: Implement setup_sigtramp linux-user/mips: Tidy install_sigtramp linux-user/mips: Implement setup_sigtramp linux-user/nios2: Properly emulate EXCP_TRAP linux-user/nios2: Map a real kuser page linux-user/nios2: Fixes for signal frame setup linux-user/openrisc: Implement setup_sigtramp linux-user/ppc: Simplify encode_trampoline linux-user/ppc: Implement setup_sigtramp linux-user/riscv: Implement setup_sigtramp linux-user/s390x: Implement setup_sigtramp linux-user/sh4: Implement setup_sigtramp linux-user/sparc: Implement setup_sigtramp linux-user/xtensa: Implement setup_sigtramp linux-user: Remove default for TARGET_ARCH_HAS_SIGTRAMP_PAGE linux-user/aarch64/target_signal.h | 2 + linux-user/alpha/target_signal.h | 1 + linux-user/arm/target_signal.h | 2 + linux-user/cris/target_signal.h | 2 + linux-user/hexagon/target_signal.h | 2 + linux-user/hppa/target_signal.h | 14 + linux-user/i386/target_signal.h | 2 + linux-user/m68k/target_signal.h | 2 + linux-user/microblaze/target_signal.h | 2 + linux-user/mips/target_signal.h | 1 + linux-user/mips64/target_signal.h | 2 + linux-user/nios2/target_signal.h | 3 + linux-user/openrisc/target_signal.h | 2 + linux-user/ppc/target_signal.h | 2 + linux-user/riscv/target_signal.h | 2 + linux-user/s390x/target_signal.h | 2 + linux-user/sh4/target_signal.h | 2 + linux-user/signal-common.h | 6 + linux-user/sparc/target_signal.h | 4 + linux-user/x86_64/target_signal.h | 3 + linux-user/xtensa/target_signal.h | 2 + target/nios2/cpu.h | 5 +- linux-user/aarch64/signal.c | 34 +- linux-user/alpha/signal.c | 34 +- linux-user/arm/signal.c | 590 ++++++++++---------------- linux-user/cris/signal.c | 29 +- linux-user/elfload.c | 49 +++ linux-user/hexagon/signal.c | 19 +- linux-user/i386/signal.c | 65 ++- linux-user/m68k/signal.c | 47 +- linux-user/microblaze/signal.c | 24 +- linux-user/mips/signal.c | 39 +- linux-user/nios2/cpu_loop.c | 84 ++-- linux-user/nios2/signal.c | 51 +-- linux-user/openrisc/signal.c | 22 +- linux-user/ppc/signal.c | 40 +- linux-user/riscv/signal.c | 22 +- linux-user/s390x/signal.c | 24 +- linux-user/sh4/signal.c | 40 +- linux-user/signal.c | 3 + linux-user/sparc/signal.c | 40 +- linux-user/xtensa/signal.c | 56 ++- target/nios2/translate.c | 26 +- 43 files changed, 744 insertions(+), 659 deletions(-)