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author | Peter Maydell <peter.maydell@linaro.org> | 2021-09-08 16:43:59 +0100 |
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committer | Laurent Vivier <laurent@vivier.eu> | 2021-09-13 20:35:44 +0200 |
commit | 2113aed687cb0b84ad512c440c1edf6eea8fcde2 (patch) | |
tree | 64b1f8c511808f9ab5a98b645a861ae144244683 /linux-user | |
parent | a44d57a3b9aef9691402560de5da3c03cadd16e5 (diff) | |
download | qemu-2113aed687cb0b84ad512c440c1edf6eea8fcde2.zip qemu-2113aed687cb0b84ad512c440c1edf6eea8fcde2.tar.gz qemu-2113aed687cb0b84ad512c440c1edf6eea8fcde2.tar.bz2 |
linux-user: Split signal-related prototypes into signal-common.h
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 <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210908154405.15417-4-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user')
-rw-r--r-- | linux-user/aarch64/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/alpha/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/arm/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/cris/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/fd-trans.c | 1 | ||||
-rw-r--r-- | linux-user/hexagon/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/hppa/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/i386/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/m68k/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/main.c | 1 | ||||
-rw-r--r-- | linux-user/microblaze/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/mips/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/nios2/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/openrisc/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/ppc/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/qemu.h | 36 | ||||
-rw-r--r-- | linux-user/riscv/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/s390x/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/sh4/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/signal-common.h | 36 | ||||
-rw-r--r-- | linux-user/sparc/cpu_loop.c | 1 | ||||
-rw-r--r-- | linux-user/syscall.c | 1 | ||||
-rw-r--r-- | linux-user/xtensa/cpu_loop.c | 1 |
23 files changed, 57 insertions, 36 deletions
diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c index ee72a1c..5cac76f 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 7ce2461..8464047 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 69632d1..5556d38 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 334eddd..8c9fc31 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 86b6f48..48203c1 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 bc34f5d..348d2dc 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 82d8183..c366199 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 f813e87..ee2e139 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 c7a500b..3a33040 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 a609456..4f51670 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 c3396a6..0d2c8f8 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 9d813ec..7dfaa0c 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 9869083..68f95d7 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 b33fa77..f6c6785 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 fa91ea0..ace4312 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 ad2d49f..76d3f5e 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 74a9628..47978c4 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 6a69a6d..ae70f63 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 222ed1c..06e4a4d 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 ea86328..58ea23f 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 02532f1..b2c0611 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 4ac2801..ad635ed 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 64831c9..bb5335e 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) { |