diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-09-17 10:34:42 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-11-02 07:00:44 -0400 |
| commit | a30bfaa7bd1f721a5b936fd1b4bf009eb9c2a6f4 (patch) | |
| tree | 52bfcf06afc9b387eb1a10117ee2b7ec54675604 /linux-user/host | |
| parent | 8b5bd461935b7682302366f95ad192434fd99e67 (diff) | |
linux-user/host/arm: Populate host_signal.h
Split host_signal_pc and host_signal_write out of user-exec.c.
Drop the *BSD code, to be re-created under bsd-user/ later.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/host')
| -rw-r--r-- | linux-user/host/arm/host-signal.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/linux-user/host/arm/host-signal.h b/linux-user/host/arm/host-signal.h index f4b4d65031..efb165c0c5 100644 --- a/linux-user/host/arm/host-signal.h +++ b/linux-user/host/arm/host-signal.h @@ -1 +1,30 @@ -#define HOST_SIGNAL_PLACEHOLDER +/* + * host-signal.h: signal info dependent on the host architecture + * + * Copyright (c) 2003-2005 Fabrice Bellard + * Copyright (c) 2021 Linaro Limited + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef ARM_HOST_SIGNAL_H +#define ARM_HOST_SIGNAL_H + +static inline uintptr_t host_signal_pc(ucontext_t *uc) +{ + return uc->uc_mcontext.arm_pc; +} + +static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc) +{ + /* + * In the FSR, bit 11 is WnR, assuming a v6 or + * later processor. On v5 we will always report + * this as a read, which will fail later. + */ + uint32_t fsr = uc->uc_mcontext.error_code; + return extract32(fsr, 11, 1); +} + +#endif |