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[209.51.188.17]) by mx.google.com with ESMTPS id k4si1779827qth.261.2021.09.16.08.18.14 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 Sep 2021 08:18:14 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org" Received: from localhost ([::1]:36044 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQt9Q-0008Sb-Qz for patch@linaro.org; Thu, 16 Sep 2021 11:18:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36142) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQt4C-0002nO-68 for qemu-devel@nongnu.org; Thu, 16 Sep 2021 11:12:48 -0400 Received: from mout.kundenserver.de ([212.227.17.24]:59557) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQt49-00049b-KI for qemu-devel@nongnu.org; Thu, 16 Sep 2021 11:12:47 -0400 Received: from quad ([82.142.27.6]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1N3bCH-1mqYsl0OMl-010Yw0; Thu, 16 Sep 2021 17:12:40 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 03/10] linux-user: Split signal-related prototypes into signal-common.h Date: Thu, 16 Sep 2021 17:12:30 +0200 Message-Id: <20210916151237.1188301-4-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210916151237.1188301-1-laurent@vivier.eu> References: <20210916151237.1188301-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:gl6U6ZqkX/YkcNiivHc5N974e/TkhW08d+De8vKoDUcVLaiHpKi 7V+4A8Tl0ZoFC5O7UYng0kqCGIbBUZlVUDtc6Tt5rV9qQySVJbeyZzrf5WpZj1LPhwzjLdV DSFM16CgmEVNdhDvqmUXmtX3CYlZMXTsxKrTOchisRRDVOewCsgsbmUriZYRhY4zKZM2Ywa sT8pJ9jb7U3Bjnpb+zW5A== X-UI-Out-Filterresults: notjunk:1; V03:K0:t84rETSWops=:yW1vv60k+Dkt592O65CJSi y5LqVGs7pCyt/738DGokbrfMtJLw5Khi63agm+aS1/a5HvOnh1+FGnUuHV2HK4XCFxoCiyD68 jY7TVevrPT6HqsMyKoXHsKWGCTwY4bnYVYTl/kFm6RpxAMiH6fMAdEXTBOWxHIpk2RKCIXY+8 k+NOBfEUSqWBF3jRHJ8Hi7bQLaB4pEzGTlpP4ucsP8kHsVlnB8Oc03h5SfiF+qVdb2UJ0F17W QCuDBpu/8CYr8gnoA8zV3hMmtv/E/D+085hj3/J6htwrJfwk5R3FejcPkwbELCeWvH0LinkrA SN/+NgiearqxFYgV+jzeUwCA12joZDDqp8o1Ur74Pms63o05HJcNKAx8yHTq/RYcxwjae3tIl ShGUjSlNrfgkqkwkBawklmEHQV9Vx82hveoqcGmVNUfxuCCuHZEHGokQfv2BmoKWcLFjaEoY+ B0MsaAjS6HPwRUgBZxkdw8eS5QjyPpJsZMhZaNcO+3AVW2OHzslc4O3lpDqIfY9YPZi/Pjdik jY6be7S1gdajv24BLjhfqx2au2+XBOf3VeRWkNFovmqgmP5IXkwr1ofDnmV+cMXTLJYc2QZWh fl/6rOiYP4DX0Xs/Z/5hjl470z6rZNInzMC71Yy8t4L72JdFWQiro64xoZhk51iGRBc9ACY8O s4yKEoTO3pJpARgq3QGKfRN+2XiDyH1d968vLjK4moISz03EWUYtfjGenAErmKf/Nep/cnSGD 3Qx7Dk8rJu4ucI6vczTN83XVKpbttjA4wj6DMQ== Received-SPF: none client-ip=212.227.17.24; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=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 , Richard Henderson , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Peter Maydell Split the signal related prototypes into the existing header file signal-common.h, and include it in those places that now require it. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20210908154405.15417-4-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/aarch64/cpu_loop.c | 1 + linux-user/alpha/cpu_loop.c | 1 + linux-user/arm/cpu_loop.c | 1 + linux-user/cris/cpu_loop.c | 1 + linux-user/fd-trans.c | 1 + linux-user/hexagon/cpu_loop.c | 1 + linux-user/hppa/cpu_loop.c | 1 + linux-user/i386/cpu_loop.c | 1 + linux-user/m68k/cpu_loop.c | 1 + linux-user/main.c | 1 + linux-user/microblaze/cpu_loop.c | 1 + linux-user/mips/cpu_loop.c | 1 + linux-user/nios2/cpu_loop.c | 1 + linux-user/openrisc/cpu_loop.c | 1 + linux-user/ppc/cpu_loop.c | 1 + linux-user/qemu.h | 36 -------------------------------- linux-user/riscv/cpu_loop.c | 1 + linux-user/s390x/cpu_loop.c | 1 + linux-user/sh4/cpu_loop.c | 1 + linux-user/signal-common.h | 36 ++++++++++++++++++++++++++++++++ linux-user/sparc/cpu_loop.c | 1 + linux-user/syscall.c | 1 + linux-user/xtensa/cpu_loop.c | 1 + 23 files changed, 57 insertions(+), 36 deletions(-) -- 2.31.1 diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c index ee72a1c20f06..5cac76f67b09 100644 --- a/linux-user/aarch64/cpu_loop.c +++ b/linux-user/aarch64/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "qemu/guest-random.h" #include "semihosting/common-semi.h" #include "target/arm/syndrome.h" diff --git a/linux-user/alpha/cpu_loop.c b/linux-user/alpha/cpu_loop.c index 7ce2461a0288..8464047368a3 100644 --- a/linux-user/alpha/cpu_loop.c +++ b/linux-user/alpha/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUAlphaState *env) { diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c index 69632d15be18..5556d381463b 100644 --- a/linux-user/arm/cpu_loop.c +++ b/linux-user/arm/cpu_loop.c @@ -22,6 +22,7 @@ #include "qemu.h" #include "elf.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "semihosting/common-semi.h" #define get_user_code_u32(x, gaddr, env) \ diff --git a/linux-user/cris/cpu_loop.c b/linux-user/cris/cpu_loop.c index 334edddd1e29..8c9fc3127ec3 100644 --- a/linux-user/cris/cpu_loop.c +++ b/linux-user/cris/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUCRISState *env) { diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c index 86b6f484d30b..48203c1af9d6 100644 --- a/linux-user/fd-trans.c +++ b/linux-user/fd-trans.c @@ -28,6 +28,7 @@ #endif #include "qemu.h" #include "fd-trans.h" +#include "signal-common.h" enum { QEMU_IFLA_BR_UNSPEC, diff --git a/linux-user/hexagon/cpu_loop.c b/linux-user/hexagon/cpu_loop.c index bc34f5d7c300..348d2dc34130 100644 --- a/linux-user/hexagon/cpu_loop.c +++ b/linux-user/hexagon/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu/osdep.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "internal.h" void cpu_loop(CPUHexagonState *env) diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c index 82d8183821ad..c3661994a570 100644 --- a/linux-user/hppa/cpu_loop.c +++ b/linux-user/hppa/cpu_loop.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" static abi_ulong hppa_lws(CPUHPPAState *env) { diff --git a/linux-user/i386/cpu_loop.c b/linux-user/i386/cpu_loop.c index f813e87294af..ee2e139a0634 100644 --- a/linux-user/i386/cpu_loop.c +++ b/linux-user/i386/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" /***********************************************************/ /* CPUX86 core interface */ diff --git a/linux-user/m68k/cpu_loop.c b/linux-user/m68k/cpu_loop.c index c7a500b58c48..3a330401bf2d 100644 --- a/linux-user/m68k/cpu_loop.c +++ b/linux-user/m68k/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUM68KState *env) { diff --git a/linux-user/main.c b/linux-user/main.c index a6094563b6bf..4f5167073574 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -49,6 +49,7 @@ #include "cpu_loop-common.h" #include "crypto/init.h" #include "fd-trans.h" +#include "signal-common.h" #ifndef AT_FLAGS_PRESERVE_ARGV0 #define AT_FLAGS_PRESERVE_ARGV0_BIT 0 diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c index c3396a6e09bd..0d2c8f8dea8a 100644 --- a/linux-user/microblaze/cpu_loop.c +++ b/linux-user/microblaze/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUMBState *env) { diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c index 9d813ece4e75..7dfaa0cb1e11 100644 --- a/linux-user/mips/cpu_loop.c +++ b/linux-user/mips/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "elf.h" #include "internal.h" #include "fpu_helper.h" diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c index 9869083fa192..68f95d7ad7b2 100644 --- a/linux-user/nios2/cpu_loop.c +++ b/linux-user/nios2/cpu_loop.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUNios2State *env) { diff --git a/linux-user/openrisc/cpu_loop.c b/linux-user/openrisc/cpu_loop.c index b33fa7771875..f6c67859887b 100644 --- a/linux-user/openrisc/cpu_loop.c +++ b/linux-user/openrisc/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUOpenRISCState *env) { diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c index fa91ea0eed99..ace431238c27 100644 --- a/linux-user/ppc/cpu_loop.c +++ b/linux-user/ppc/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) { diff --git a/linux-user/qemu.h b/linux-user/qemu.h index ad2d49fed9fb..76d3f5e7eb98 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -415,42 +415,6 @@ extern long safe_syscall_base(int *pending, long number, ...); /* syscall.c */ int host_to_target_waitstatus(int status); -/* signal.c */ -void process_pending_signals(CPUArchState *cpu_env); -void signal_init(void); -int queue_signal(CPUArchState *env, int sig, int si_type, - target_siginfo_t *info); -void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); -void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); -int target_to_host_signal(int sig); -int host_to_target_signal(int sig); -long do_sigreturn(CPUArchState *env); -long do_rt_sigreturn(CPUArchState *env); -abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, - CPUArchState *env); -int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset); -abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx, - abi_ulong unew_ctx, abi_long ctx_size); -/** - * block_signals: block all signals while handling this guest syscall - * - * Block all signals, and arrange that the signal mask is returned to - * its correct value for the guest before we resume execution of guest code. - * If this function returns non-zero, then the caller should immediately - * return -TARGET_ERESTARTSYS to the main loop, which will take the pending - * signal and restart execution of the syscall. - * If block_signals() returns zero, then the caller can continue with - * emulation of the system call knowing that no signals can be taken - * (and therefore that no race conditions will result). - * This should only be called once, because if it is called a second time - * it will always return non-zero. (Think of it like a mutex that can't - * be recursively locked.) - * Signals will be unblocked again by process_pending_signals(). - * - * Return value: non-zero if there was a pending signal, zero if not. - */ -int block_signals(void); /* Returns non zero if signal pending */ - #ifdef TARGET_I386 /* vm86.c */ void save_v86_state(CPUX86State *env); diff --git a/linux-user/riscv/cpu_loop.c b/linux-user/riscv/cpu_loop.c index 74a9628dc9b5..47978c4e3543 100644 --- a/linux-user/riscv/cpu_loop.c +++ b/linux-user/riscv/cpu_loop.c @@ -22,6 +22,7 @@ #include "qemu/error-report.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "elf.h" #include "semihosting/common-semi.h" diff --git a/linux-user/s390x/cpu_loop.c b/linux-user/s390x/cpu_loop.c index 6a69a6dd2609..ae70f630532d 100644 --- a/linux-user/s390x/cpu_loop.c +++ b/linux-user/s390x/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" /* s390x masks the fault address it reports in si_addr for SIGSEGV and SIGBUS */ #define S390X_FAIL_ADDR_MASK -4096LL diff --git a/linux-user/sh4/cpu_loop.c b/linux-user/sh4/cpu_loop.c index 222ed1c670c4..06e4a4d00751 100644 --- a/linux-user/sh4/cpu_loop.c +++ b/linux-user/sh4/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" void cpu_loop(CPUSH4State *env) { diff --git a/linux-user/signal-common.h b/linux-user/signal-common.h index ea86328b289a..58ea23f6ea94 100644 --- a/linux-user/signal-common.h +++ b/linux-user/signal-common.h @@ -47,4 +47,40 @@ void setup_frame(int sig, struct target_sigaction *ka, void setup_rt_frame(int sig, struct target_sigaction *ka, target_siginfo_t *info, target_sigset_t *set, CPUArchState *env); + +void process_pending_signals(CPUArchState *cpu_env); +void signal_init(void); +int queue_signal(CPUArchState *env, int sig, int si_type, + target_siginfo_t *info); +void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); +void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); +int target_to_host_signal(int sig); +int host_to_target_signal(int sig); +long do_sigreturn(CPUArchState *env); +long do_rt_sigreturn(CPUArchState *env); +abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, + CPUArchState *env); +int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset); +abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx, + abi_ulong unew_ctx, abi_long ctx_size); +/** + * block_signals: block all signals while handling this guest syscall + * + * Block all signals, and arrange that the signal mask is returned to + * its correct value for the guest before we resume execution of guest code. + * If this function returns non-zero, then the caller should immediately + * return -TARGET_ERESTARTSYS to the main loop, which will take the pending + * signal and restart execution of the syscall. + * If block_signals() returns zero, then the caller can continue with + * emulation of the system call knowing that no signals can be taken + * (and therefore that no race conditions will result). + * This should only be called once, because if it is called a second time + * it will always return non-zero. (Think of it like a mutex that can't + * be recursively locked.) + * Signals will be unblocked again by process_pending_signals(). + * + * Return value: non-zero if there was a pending signal, zero if not. + */ +int block_signals(void); /* Returns non zero if signal pending */ + #endif diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 02532f198df8..b2c061119430 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #define SPARC64_STACK_BIAS 2047 diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 4ac2801e495a..ad635ed3a5fd 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -128,6 +128,7 @@ #include "qemu.h" #include "strace.h" +#include "signal-common.h" #include "qemu/guest-random.h" #include "qemu/selfmap.h" #include "user/syscall-trace.h" diff --git a/linux-user/xtensa/cpu_loop.c b/linux-user/xtensa/cpu_loop.c index 64831c91996a..bb5335e2b6cb 100644 --- a/linux-user/xtensa/cpu_loop.c +++ b/linux-user/xtensa/cpu_loop.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" static void xtensa_rfw(CPUXtensaState *env) {