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20#ifndef SIGNAL_COMMON_H
21#define SIGNAL_COMMON_H
22
23#include "special-errno.h"
24
25
26extern abi_ulong default_sigreturn;
27extern abi_ulong default_rt_sigreturn;
28
29void setup_sigtramp(abi_ulong tramp_page);
30
31int on_sig_stack(unsigned long sp);
32int sas_ss_flags(unsigned long sp);
33abi_ulong target_sigsp(abi_ulong sp, struct target_sigaction *ka);
34void target_save_altstack(target_stack_t *uss, CPUArchState *env);
35abi_long target_restore_altstack(target_stack_t *uss, CPUArchState *env);
36
37static inline void target_sigemptyset(target_sigset_t *set)
38{
39 memset(set, 0, sizeof(*set));
40}
41
42void host_to_target_sigset_internal(target_sigset_t *d,
43 const sigset_t *s);
44void target_to_host_sigset_internal(sigset_t *d,
45 const target_sigset_t *s);
46void tswap_siginfo(target_siginfo_t *tinfo,
47 const target_siginfo_t *info);
48void set_sigmask(const sigset_t *set);
49void force_sig(int sig);
50void force_sigsegv(int oldsig);
51void force_sig_fault(int sig, int code, abi_ulong addr);
52#if defined(TARGET_ARCH_HAS_SETUP_FRAME)
53void setup_frame(int sig, struct target_sigaction *ka,
54 target_sigset_t *set, CPUArchState *env);
55#endif
56void setup_rt_frame(int sig, struct target_sigaction *ka,
57 target_siginfo_t *info,
58 target_sigset_t *set, CPUArchState *env);
59
60void process_pending_signals(CPUArchState *cpu_env);
61void signal_init(void);
62void queue_signal(CPUArchState *env, int sig, int si_type,
63 target_siginfo_t *info);
64void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
65void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
66int target_to_host_signal(int sig);
67int host_to_target_signal(int sig);
68long do_sigreturn(CPUArchState *env);
69long do_rt_sigreturn(CPUArchState *env);
70abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr,
71 CPUArchState *env);
72int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
73abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx,
74 abi_ulong unew_ctx, abi_long ctx_size);
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93int block_signals(void);
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104int process_sigsuspend_mask(sigset_t **pset, target_ulong sigset,
105 target_ulong sigsize);
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113static inline void finish_sigsuspend_mask(int ret)
114{
115 if (ret != -QEMU_ERESTARTSYS) {
116 TaskState *ts = (TaskState *)thread_cpu->opaque;
117 ts->in_sigsuspend = 1;
118 }
119}
120
121#if defined(SIGSTKFLT) && defined(TARGET_SIGSTKFLT)
122#define MAKE_SIG_ENTRY_SIGSTKFLT MAKE_SIG_ENTRY(SIGSTKFLT)
123#else
124#define MAKE_SIG_ENTRY_SIGSTKFLT
125#endif
126
127#if defined(SIGIOT) && defined(TARGET_SIGIOT)
128#define MAKE_SIG_ENTRY_SIGIOT MAKE_SIG_ENTRY(SIGIOT)
129#else
130#define MAKE_SIG_ENTRY_SIGIOT
131#endif
132
133#define MAKE_SIGNAL_LIST \
134 MAKE_SIG_ENTRY(SIGHUP) \
135 MAKE_SIG_ENTRY(SIGINT) \
136 MAKE_SIG_ENTRY(SIGQUIT) \
137 MAKE_SIG_ENTRY(SIGILL) \
138 MAKE_SIG_ENTRY(SIGTRAP) \
139 MAKE_SIG_ENTRY(SIGABRT) \
140 MAKE_SIG_ENTRY(SIGBUS) \
141 MAKE_SIG_ENTRY(SIGFPE) \
142 MAKE_SIG_ENTRY(SIGKILL) \
143 MAKE_SIG_ENTRY(SIGUSR1) \
144 MAKE_SIG_ENTRY(SIGSEGV) \
145 MAKE_SIG_ENTRY(SIGUSR2) \
146 MAKE_SIG_ENTRY(SIGPIPE) \
147 MAKE_SIG_ENTRY(SIGALRM) \
148 MAKE_SIG_ENTRY(SIGTERM) \
149 MAKE_SIG_ENTRY(SIGCHLD) \
150 MAKE_SIG_ENTRY(SIGCONT) \
151 MAKE_SIG_ENTRY(SIGSTOP) \
152 MAKE_SIG_ENTRY(SIGTSTP) \
153 MAKE_SIG_ENTRY(SIGTTIN) \
154 MAKE_SIG_ENTRY(SIGTTOU) \
155 MAKE_SIG_ENTRY(SIGURG) \
156 MAKE_SIG_ENTRY(SIGXCPU) \
157 MAKE_SIG_ENTRY(SIGXFSZ) \
158 MAKE_SIG_ENTRY(SIGVTALRM) \
159 MAKE_SIG_ENTRY(SIGPROF) \
160 MAKE_SIG_ENTRY(SIGWINCH) \
161 MAKE_SIG_ENTRY(SIGIO) \
162 MAKE_SIG_ENTRY(SIGPWR) \
163 MAKE_SIG_ENTRY(SIGSYS) \
164 MAKE_SIG_ENTRY_SIGSTKFLT \
165 MAKE_SIG_ENTRY_SIGIOT
166
167#endif
168