diff options
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index b283270391..0f956740ef 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -25,8 +25,9 @@ #include "qemu-common.h" #include "target_signal.h" #include "trace.h" +#include "signal-common.h" -static struct target_sigaltstack target_sigaltstack_used = { +struct target_sigaltstack target_sigaltstack_used = { .ss_sp = 0, .ss_size = 0, .ss_flags = TARGET_SS_DISABLE, @@ -82,18 +83,6 @@ static uint8_t host_to_target_signal_table[_NSIG] = { }; static uint8_t target_to_host_signal_table[_NSIG]; -static inline int on_sig_stack(unsigned long sp) -{ - return (sp - target_sigaltstack_used.ss_sp - < target_sigaltstack_used.ss_size); -} - -static inline int sas_ss_flags(unsigned long sp) -{ - return (target_sigaltstack_used.ss_size == 0 ? SS_DISABLE - : on_sig_stack(sp) ? SS_ONSTACK : 0); -} - int host_to_target_signal(int sig) { if (sig < 0 || sig >= _NSIG) @@ -108,11 +97,6 @@ int target_to_host_signal(int sig) return target_to_host_signal_table[sig]; } -static inline void target_sigemptyset(target_sigset_t *set) -{ - memset(set, 0, sizeof(*set)); -} - static inline void target_sigaddset(target_sigset_t *set, int signum) { signum--; @@ -127,8 +111,8 @@ static inline int target_sigismember(const target_sigset_t *set, int signum) return ((set->sig[signum / TARGET_NSIG_BPW] & mask) != 0); } -static void host_to_target_sigset_internal(target_sigset_t *d, - const sigset_t *s) +void host_to_target_sigset_internal(target_sigset_t *d, + const sigset_t *s) { int i; target_sigemptyset(d); @@ -149,8 +133,8 @@ void host_to_target_sigset(target_sigset_t *d, const sigset_t *s) d->sig[i] = tswapal(d1.sig[i]); } -static void target_to_host_sigset_internal(sigset_t *d, - const target_sigset_t *s) +void target_to_host_sigset_internal(sigset_t *d, + const target_sigset_t *s) { int i; sigemptyset(d); @@ -257,7 +241,7 @@ int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset) /* Just set the guest's signal mask to the specified value; the * caller is assumed to have called block_signals() already. */ -static void set_sigmask(const sigset_t *set) +void set_sigmask(const sigset_t *set) { TaskState *ts = (TaskState *)thread_cpu->opaque; @@ -344,8 +328,8 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo, tinfo->si_code = deposit32(si_code, 16, 16, si_type); } -static void tswap_siginfo(target_siginfo_t *tinfo, - const target_siginfo_t *info) +void tswap_siginfo(target_siginfo_t *tinfo, + const target_siginfo_t *info) { int si_type = extract32(info->si_code, 16, 16); int si_code = sextract32(info->si_code, 0, 16); @@ -515,7 +499,7 @@ void signal_init(void) * also forces the signal to "not blocked, not ignored", but for QEMU * that work is done in process_pending_signals(). */ -static void force_sig(int sig) +void force_sig(int sig) { CPUState *cpu = thread_cpu; CPUArchState *env = cpu->env_ptr; @@ -534,7 +518,7 @@ static void force_sig(int sig) * at the point of failure. */ #if !defined(TARGET_RISCV) -static void force_sigsegv(int oldsig) +void force_sigsegv(int oldsig) { if (oldsig == SIGSEGV) { /* Make sure we don't try to deliver the signal again; this will @@ -7301,9 +7285,6 @@ badframe: force_sig(TARGET_SIGSEGV); return -TARGET_QEMU_ESIGRETURN; } - -#else -#error Target needs to add support for signal handling #endif static void handle_pending_signal(CPUArchState *cpu_env, int sig, |