From 9940799bdea5d456fdbc11d10f355755843063e9 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 8 Feb 2022 09:40:00 +0300 Subject: linux-user: Introduce host_sigcontext Do not directly access ucontext_t as the third signal parameter. This is preparation for a sparc64 fix. Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- linux-user/include/host/alpha/host-signal.h | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'linux-user/include/host/alpha') diff --git a/linux-user/include/host/alpha/host-signal.h b/linux-user/include/host/alpha/host-signal.h index a44d670f2b..4f9e2abc4b 100644 --- a/linux-user/include/host/alpha/host-signal.h +++ b/linux-user/include/host/alpha/host-signal.h @@ -11,22 +11,25 @@ #ifndef ALPHA_HOST_SIGNAL_H #define ALPHA_HOST_SIGNAL_H -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* The third argument to a SA_SIGINFO handler is ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { return uc->uc_mcontext.sc_pc; } -static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) { uc->uc_mcontext.sc_pc = pc; } -static inline void *host_signal_mask(ucontext_t *uc) +static inline void *host_signal_mask(host_sigcontext *uc) { return &uc->uc_sigmask; } -static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) { uint32_t *pc = (uint32_t *)host_signal_pc(uc); uint32_t insn = *pc; -- cgit v1.2.3-55-g7522