Create and record the two signal trampolines. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-16-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
84 lines
3.8 KiB
C
84 lines
3.8 KiB
C
#ifndef MIPS_TARGET_SIGNAL_H
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#define MIPS_TARGET_SIGNAL_H
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#define TARGET_SIGHUP 1 /* Hangup (POSIX). */
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#define TARGET_SIGINT 2 /* Interrupt (ANSI). */
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#define TARGET_SIGQUIT 3 /* Quit (POSIX). */
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#define TARGET_SIGILL 4 /* Illegal instruction (ANSI). */
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#define TARGET_SIGTRAP 5 /* Trace trap (POSIX). */
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#define TARGET_SIGIOT 6 /* IOT trap (4.2 BSD). */
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#define TARGET_SIGABRT TARGET_SIGIOT /* Abort (ANSI). */
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#define TARGET_SIGEMT 7
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#define TARGET_SIGSTKFLT 7 /* XXX: incorrect */
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#define TARGET_SIGFPE 8 /* Floating-point exception (ANSI). */
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#define TARGET_SIGKILL 9 /* Kill, unblockable (POSIX). */
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#define TARGET_SIGBUS 10 /* BUS error (4.2 BSD). */
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#define TARGET_SIGSEGV 11 /* Segmentation violation (ANSI). */
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#define TARGET_SIGSYS 12
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#define TARGET_SIGPIPE 13 /* Broken pipe (POSIX). */
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#define TARGET_SIGALRM 14 /* Alarm clock (POSIX). */
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#define TARGET_SIGTERM 15 /* Termination (ANSI). */
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#define TARGET_SIGUSR1 16 /* User-defined signal 1 (POSIX). */
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#define TARGET_SIGUSR2 17 /* User-defined signal 2 (POSIX). */
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#define TARGET_SIGCHLD 18 /* Child status has changed (POSIX). */
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#define TARGET_SIGCLD TARGET_SIGCHLD /* Same as TARGET_SIGCHLD (System V). */
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#define TARGET_SIGPWR 19 /* Power failure restart (System V). */
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#define TARGET_SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
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#define TARGET_SIGURG 21 /* Urgent condition on socket (4.2 BSD). */
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#define TARGET_SIGIO 22 /* I/O now possible (4.2 BSD). */
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#define TARGET_SIGPOLL TARGET_SIGIO /* Pollable event occurred (System V). */
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#define TARGET_SIGSTOP 23 /* Stop, unblockable (POSIX). */
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#define TARGET_SIGTSTP 24 /* Keyboard stop (POSIX). */
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#define TARGET_SIGCONT 25 /* Continue (POSIX). */
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#define TARGET_SIGTTIN 26 /* Background read from tty (POSIX). */
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#define TARGET_SIGTTOU 27 /* Background write to tty (POSIX). */
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#define TARGET_SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
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#define TARGET_SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
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#define TARGET_SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
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#define TARGET_SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
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#define TARGET_SIGRTMIN 32
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#define TARGET_SIG_BLOCK 1 /* for blocking signals */
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#define TARGET_SIG_UNBLOCK 2 /* for unblocking signals */
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#define TARGET_SIG_SETMASK 3 /* for setting the signal mask */
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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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abi_ulong ss_sp;
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abi_ulong 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_SA_NOCLDSTOP 0x00000001
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#define TARGET_SA_NOCLDWAIT 0x00010000
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#define TARGET_SA_SIGINFO 0x00000008
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#define TARGET_SA_ONSTACK 0x08000000
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#define TARGET_SA_NODEFER 0x40000000
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#define TARGET_SA_RESTART 0x10000000
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#define TARGET_SA_RESETHAND 0x80000000
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#define TARGET_SA_RESTORER 0x04000000 /* Only for O32 */
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#define TARGET_MINSIGSTKSZ 2048
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#define TARGET_SIGSTKSZ 8192
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#if defined(TARGET_ABI_MIPSO32)
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/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
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#define TARGET_ARCH_HAS_SETUP_FRAME
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#endif
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#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
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/* bit-flags */
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#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
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/* mask for all SS_xxx flags */
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#define TARGET_SS_FLAG_BITS TARGET_SS_AUTODISARM
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#endif /* MIPS_TARGET_SIGNAL_H */
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