Create and record the two signal trampolines. Use them when the guest does not use SA_RESTORER. Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-24-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
#ifndef SPARC_TARGET_SIGNAL_H
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#define SPARC_TARGET_SIGNAL_H
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#define TARGET_SIGHUP 1
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#define TARGET_SIGINT 2
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#define TARGET_SIGQUIT 3
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#define TARGET_SIGILL 4
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#define TARGET_SIGTRAP 5
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#define TARGET_SIGABRT 6
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#define TARGET_SIGIOT 6
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#define TARGET_SIGSTKFLT 7 /* actually EMT */
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#define TARGET_SIGFPE 8
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#define TARGET_SIGKILL 9
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#define TARGET_SIGBUS 10
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#define TARGET_SIGSEGV 11
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#define TARGET_SIGSYS 12
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#define TARGET_SIGPIPE 13
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#define TARGET_SIGALRM 14
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#define TARGET_SIGTERM 15
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#define TARGET_SIGURG 16
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#define TARGET_SIGSTOP 17
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#define TARGET_SIGTSTP 18
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#define TARGET_SIGCONT 19
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#define TARGET_SIGCHLD 20
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#define TARGET_SIGTTIN 21
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#define TARGET_SIGTTOU 22
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#define TARGET_SIGIO 23
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#define TARGET_SIGXCPU 24
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#define TARGET_SIGXFSZ 25
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#define TARGET_SIGVTALRM 26
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#define TARGET_SIGPROF 27
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#define TARGET_SIGWINCH 28
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#define TARGET_SIGPWR 29
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#define TARGET_SIGUSR1 30
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#define TARGET_SIGUSR2 31
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#define TARGET_SIGRTMIN 32
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#define TARGET_SIG_BLOCK 0x01 /* for blocking signals */
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#define TARGET_SIG_UNBLOCK 0x02 /* for unblocking signals */
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#define TARGET_SIG_SETMASK 0x04 /* 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_int ss_flags;
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abi_ulong ss_size;
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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 8u
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#define TARGET_SA_NOCLDWAIT 0x100u
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#define TARGET_SA_SIGINFO 0x200u
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#define TARGET_SA_ONSTACK 1u
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#define TARGET_SA_RESTART 2u
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#define TARGET_SA_NODEFER 0x20u
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#define TARGET_SA_RESETHAND 4u
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#define TARGET_ARCH_HAS_SA_RESTORER 1
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#define TARGET_ARCH_HAS_KA_RESTORER 1
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#define TARGET_MINSIGSTKSZ 4096
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#define TARGET_SIGSTKSZ 16384
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#ifdef TARGET_ABI32
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#define TARGET_ARCH_HAS_SETUP_FRAME
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#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
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#else
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/* For sparc64, use of KA_RESTORER is mandatory. */
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#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 0
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#endif
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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 /* SPARC_TARGET_SIGNAL_H */
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