67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#ifndef IRIX_TARGET_SIGNAL_H
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#define IRIX_TARGET_SIGNAL_H
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#include "cpu.h"
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/* this struct defines a stack used during syscall handling */
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typedef struct target_sigaltstack {
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#ifdef TARGET_ABI32
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abi_uint ss_sp;
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#else
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abi_ulong ss_sp;
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#endif
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uint32_t ss_size;
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abi_int ss_flags;
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} target_stack_t;
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/*
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* sigaltstack controls
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*/
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#define TARGET_SS_ONSTACK 1
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#define TARGET_SS_DISABLE 2
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#define TARGET_MINSIGSTKSZ 2048
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#define TARGET_SIGSTKSZ 8192
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static inline target_ulong get_sp_from_cpustate(CPUMIPSState *state)
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{
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return state->active_tc.gpr[29];
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}
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struct target_mcontext32 {
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uint32_t gregs[36];
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double fregs[16];
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uint32_t fpcsr;
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};
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struct target_mcontext64 {
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uint64_t gregs[37];
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double fregs[32];
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uint32_t fpcsr;
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};
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struct target_mcontext {
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union {
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struct target_mcontext32 _32;
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struct target_mcontext64 _64;
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} mc;
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};
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struct target_ucontext {
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abi_ulong tuc_flags;
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#ifdef TARGET_ABI32
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abi_uint tuc_link;
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#else
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abi_ulong tuc_link;
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#endif
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target_sigset_t tuc_sigmask;
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struct target_sigaltstack tuc_stack;
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struct target_mcontext tuc_mcontext;
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};
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int save_context(CPUMIPSState *regs, struct target_mcontext *sc, int setret);
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int restore_context(CPUMIPSState *regs, struct target_mcontext *sc);
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#endif /* TARGET_SIGNAL_H */
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