qemu/linux-user/mips64/target_signal.h
Richard Henderson 317a33b6eb linux-user/mips: Implement setup_sigtramp
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>
2021-10-01 12:03:48 +02:00

81 lines
3.8 KiB
C

#ifndef MIPS64_TARGET_SIGNAL_H
#define MIPS64_TARGET_SIGNAL_H
#define TARGET_SIGHUP 1 /* Hangup (POSIX). */
#define TARGET_SIGINT 2 /* Interrupt (ANSI). */
#define TARGET_SIGQUIT 3 /* Quit (POSIX). */
#define TARGET_SIGILL 4 /* Illegal instruction (ANSI). */
#define TARGET_SIGTRAP 5 /* Trace trap (POSIX). */
#define TARGET_SIGIOT 6 /* IOT trap (4.2 BSD). */
#define TARGET_SIGABRT TARGET_SIGIOT /* Abort (ANSI). */
#define TARGET_SIGEMT 7
#define TARGET_SIGSTKFLT 7 /* XXX: incorrect */
#define TARGET_SIGFPE 8 /* Floating-point exception (ANSI). */
#define TARGET_SIGKILL 9 /* Kill, unblockable (POSIX). */
#define TARGET_SIGBUS 10 /* BUS error (4.2 BSD). */
#define TARGET_SIGSEGV 11 /* Segmentation violation (ANSI). */
#define TARGET_SIGSYS 12
#define TARGET_SIGPIPE 13 /* Broken pipe (POSIX). */
#define TARGET_SIGALRM 14 /* Alarm clock (POSIX). */
#define TARGET_SIGTERM 15 /* Termination (ANSI). */
#define TARGET_SIGUSR1 16 /* User-defined signal 1 (POSIX). */
#define TARGET_SIGUSR2 17 /* User-defined signal 2 (POSIX). */
#define TARGET_SIGCHLD 18 /* Child status has changed (POSIX). */
#define TARGET_SIGCLD TARGET_SIGCHLD /* Same as TARGET_SIGCHLD (System V). */
#define TARGET_SIGPWR 19 /* Power failure restart (System V). */
#define TARGET_SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
#define TARGET_SIGURG 21 /* Urgent condition on socket (4.2 BSD). */
#define TARGET_SIGIO 22 /* I/O now possible (4.2 BSD). */
#define TARGET_SIGPOLL TARGET_SIGIO /* Pollable event occurred (System V). */
#define TARGET_SIGSTOP 23 /* Stop, unblockable (POSIX). */
#define TARGET_SIGTSTP 24 /* Keyboard stop (POSIX). */
#define TARGET_SIGCONT 25 /* Continue (POSIX). */
#define TARGET_SIGTTIN 26 /* Background read from tty (POSIX). */
#define TARGET_SIGTTOU 27 /* Background write to tty (POSIX). */
#define TARGET_SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
#define TARGET_SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
#define TARGET_SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
#define TARGET_SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
#define TARGET_SIGRTMIN 32
#define TARGET_SIG_BLOCK 1 /* for blocking signals */
#define TARGET_SIG_UNBLOCK 2 /* for unblocking signals */
#define TARGET_SIG_SETMASK 3 /* for setting the signal mask */
/* this struct defines a stack used during syscall handling */
typedef struct target_sigaltstack {
abi_ulong ss_sp;
abi_ulong ss_size;
abi_int ss_flags;
} target_stack_t;
/*
* sigaltstack controls
*/
#define TARGET_SS_ONSTACK 1
#define TARGET_SS_DISABLE 2
#define TARGET_SA_NOCLDSTOP 0x00000001
#define TARGET_SA_NOCLDWAIT 0x00010000
#define TARGET_SA_SIGINFO 0x00000008
#define TARGET_SA_ONSTACK 0x08000000
#define TARGET_SA_NODEFER 0x40000000
#define TARGET_SA_RESTART 0x10000000
#define TARGET_SA_RESETHAND 0x80000000
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_SIGSTKSZ 8192
/* bit-flags */
#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
/* mask for all SS_xxx flags */
#define TARGET_SS_FLAG_BITS TARGET_SS_AUTODISARM
#if defined(TARGET_ABI_MIPSO32)
/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
#define TARGET_ARCH_HAS_SETUP_FRAME
#endif
#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
#endif /* MIPS64_TARGET_SIGNAL_H */