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| author | Richard Henderson | 2022-02-08 07:49:12 +0100 |
|---|---|---|
| committer | Richard Henderson | 2022-02-08 22:49:30 +0100 |
| commit | 4f152ef27e26d82905244b7cbe344929630d8fae (patch) | |
| tree | bdb76d337e321ecb50dca0e816d1a76693037b74 /linux-user/include | |
| parent | linux-user: Move sparc/host-signal.h to sparc64/host-signal.h (diff) | |
| download | qemu-4f152ef27e26d82905244b7cbe344929630d8fae.tar.gz qemu-4f152ef27e26d82905244b7cbe344929630d8fae.tar.xz qemu-4f152ef27e26d82905244b7cbe344929630d8fae.zip | |
linux-user/include/host/sparc64: Fix host_sigcontext
Sparc64 is unique on linux in *not* passing ucontext_t as
the third argument to a SA_SIGINFO handler. It passes the
old struct sigcontext instead.
Set both pc and npc in host_signal_set_pc.
Fixes: 8b5bd461935b ("linux-user/host/sparc: Populate host_signal.h")
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/include')
| -rw-r--r-- | linux-user/include/host/sparc64/host-signal.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/linux-user/include/host/sparc64/host-signal.h b/linux-user/include/host/sparc64/host-signal.h index f8a8a4908d..64957c2bca 100644 --- a/linux-user/include/host/sparc64/host-signal.h +++ b/linux-user/include/host/sparc64/host-signal.h @@ -11,22 +11,23 @@ #ifndef SPARC64_HOST_SIGNAL_H #define SPARC64_HOST_SIGNAL_H -/* FIXME: the third argument to a SA_SIGINFO handler is *not* ucontext_t. */ -typedef ucontext_t host_sigcontext; +/* The third argument to a SA_SIGINFO handler is struct sigcontext. */ +typedef struct sigcontext host_sigcontext; -static inline uintptr_t host_signal_pc(host_sigcontext *uc) +static inline uintptr_t host_signal_pc(host_sigcontext *sc) { - return uc->uc_mcontext.mc_gregs[MC_PC]; + return sc->sigc_regs.tpc; } -static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc) +static inline void host_signal_set_pc(host_sigcontext *sc, uintptr_t pc) { - uc->uc_mcontext.mc_gregs[MC_PC] = pc; + sc->sigc_regs.tpc = pc; + sc->sigc_regs.tnpc = pc + 4; } -static inline void *host_signal_mask(host_sigcontext *uc) +static inline void *host_signal_mask(host_sigcontext *sc) { - return &uc->uc_sigmask; + return &sc->sigc_mask; } static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc) |