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a22fccd8b7
We cannot use a raw sigtramp page for hppa, but must wait for full vdso support. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-10-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
#ifndef HPPA_TARGET_SIGNAL_H
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#define HPPA_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
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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_SIGXCPU 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_SIGUSR1 16
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#define TARGET_SIGUSR2 17
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#define TARGET_SIGCHLD 18
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#define TARGET_SIGPWR 19
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#define TARGET_SIGVTALRM 20
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#define TARGET_SIGPROF 21
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#define TARGET_SIGIO 22
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#define TARGET_SIGPOLL TARGET_SIGIO
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#define TARGET_SIGWINCH 23
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#define TARGET_SIGSTOP 24
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#define TARGET_SIGTSTP 25
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#define TARGET_SIGCONT 26
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#define TARGET_SIGTTIN 27
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#define TARGET_SIGTTOU 28
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#define TARGET_SIGURG 29
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#define TARGET_SIGXFSZ 30
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#define TARGET_SIGSYS 31
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#define TARGET_SIGRTMIN 32
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#define TARGET_SIG_BLOCK 0
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#define TARGET_SIG_UNBLOCK 1
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#define TARGET_SIG_SETMASK 2
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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_ONSTACK 0x00000001
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#define TARGET_SA_RESETHAND 0x00000004
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#define TARGET_SA_NOCLDSTOP 0x00000008
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#define TARGET_SA_SIGINFO 0x00000010
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#define TARGET_SA_NODEFER 0x00000020
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#define TARGET_SA_RESTART 0x00000040
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#define TARGET_SA_NOCLDWAIT 0x00000080
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#define TARGET_MINSIGSTKSZ 2048
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#define TARGET_SIGSTKSZ 8192
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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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/*
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* We cannot use a bare sigtramp page for hppa-linux.
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*
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* Unlike other guests where we use the instructions at PC to validate
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* an offset from SP, the hppa libgcc signal frame fallback unwinding uses
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* the PC address itself to find the frame. This is due to the fact that
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* the hppa grows the stack upward, and the frame is of unknown size.
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*
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* TODO: We should be able to use a VDSO to address this, by providing
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* proper unwind info for the sigtramp code, at which point the fallback
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* unwinder will not be used.
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*/
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#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 0
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#endif /* HPPA_TARGET_SIGNAL_H */
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