diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-02-08 09:40:00 +0300 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-02-09 08:47:48 +1100 |
| commit | 9940799bdea5d456fdbc11d10f355755843063e9 (patch) | |
| tree | 6b1fd3a23ae364c87180061be7c68518ba71397c /linux-user/include/host/sparc/host-signal.h | |
| parent | c8c89a6a30be0e6f24e6a56d4ef181ec0e4dd064 (diff) | |
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 <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/include/host/sparc/host-signal.h')
| -rw-r--r-- | linux-user/include/host/sparc/host-signal.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/linux-user/include/host/sparc/host-signal.h b/linux-user/include/host/sparc/host-signal.h index 158918f2ec..871b6bb269 100644 --- a/linux-user/include/host/sparc/host-signal.h +++ b/linux-user/include/host/sparc/host-signal.h @@ -11,7 +11,10 @@ #ifndef SPARC_HOST_SIGNAL_H #define SPARC_HOST_SIGNAL_H -static inline uintptr_t host_signal_pc(ucontext_t *uc) +/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. */ +typedef ucontext_t host_sigcontext; + +static inline uintptr_t host_signal_pc(host_sigcontext *uc) { #ifdef __arch64__ return uc->uc_mcontext.mc_gregs[MC_PC]; @@ -20,7 +23,7 @@ static inline uintptr_t host_signal_pc(ucontext_t *uc) #endif } -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) { #ifdef __arch64__ uc->uc_mcontext.mc_gregs[MC_PC] = pc; @@ -29,12 +32,12 @@ static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc) #endif } -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 insn = *(uint32_t *)host_signal_pc(uc); |