diff options
| author | Warner Losh <imp@bsdimp.com> | 2022-02-01 13:30:30 -0700 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2022-02-01 14:43:20 -0700 |
| commit | eb9d35f686ed1279d57463d9e6f289988f594c19 (patch) | |
| tree | 737a326c29f18b1445bf273eb4d857a3d2f96d8e | |
| parent | 3bbe296c1c7a6ddce7a294e006b8c4a53b385292 (diff) | |
bsd-user/signal.c: Only copy the _capsicum for FreeBSD_version > 1400026
The capsicum signal stuff is new with FreeBSD 14, rev 1400026, so only
define QEMU_SI_CAPSICUM there. Only copy _capsicum when QEMU_SI_CAPSICUM
is defined. Default to no info being passed for signals we make no guess
about.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | bsd-user/signal-common.h | 5 | ||||
| -rw-r--r-- | bsd-user/signal.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/bsd-user/signal-common.h b/bsd-user/signal-common.h index 7ff8e8f2e4..6f90345bb2 100644 --- a/bsd-user/signal-common.h +++ b/bsd-user/signal-common.h @@ -59,12 +59,17 @@ void target_to_host_sigset(sigset_t *d, const target_sigset_t *s); * For FreeBSD, we have si_pid, si_uid, si_status, and si_addr always. Linux and * {Open,Net}BSD have a different approach (where their reason field is larger, * but whose siginfo has fewer fields always). + * + * QEMU_SI_CAPSICUM is currently only FreeBSD 14 current only, so only define + * it where _capsicum is available. */ #define QEMU_SI_NOINFO 0 /* nothing other than si_signo valid */ #define QEMU_SI_FAULT 1 /* _fault is valid in _reason */ #define QEMU_SI_TIMER 2 /* _timer is valid in _reason */ #define QEMU_SI_MESGQ 3 /* _mesgq is valid in _reason */ #define QEMU_SI_POLL 4 /* _poll is valid in _reason */ +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1400026 #define QEMU_SI_CAPSICUM 5 /* _capsicum is valid in _reason */ +#endif #endif diff --git a/bsd-user/signal.c b/bsd-user/signal.c index ad22ba9d90..0bc6d2edbd 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -222,6 +222,7 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo, * We have to go based on the signal number now to figure out * what's valid. */ + si_type = QEMU_SI_NOINFO; if (has_trapno(sig)) { tinfo->_reason._fault._trapno = info->_reason._fault._trapno; si_type = QEMU_SI_FAULT; @@ -241,11 +242,13 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo, * capsicum is somewhere between weak and non-existant, but if we get * one, then we know what to save. */ +#ifdef QEMU_SI_CAPSICUM if (sig == TARGET_SIGTRAP) { tinfo->_reason._capsicum._syscall = info->_reason._capsicum._syscall; si_type = QEMU_SI_CAPSICUM; } +#endif break; } tinfo->si_code = deposit32(si_code, 24, 8, si_type); @@ -295,10 +298,12 @@ static void tswap_siginfo(target_siginfo_t *tinfo, const target_siginfo_t *info) /* Note: Not generated on FreeBSD */ __put_user(info->_reason._poll._band, &tinfo->_reason._poll._band); break; +#ifdef QEMU_SI_CAPSICUM case QEMU_SI_CAPSICUM: __put_user(info->_reason._capsicum._syscall, &tinfo->_reason._capsicum._syscall); break; +#endif default: g_assert_not_reached(); } |