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![Stefan Roese](/assets/img/avatar_default.png)
As discussed on the list, move "arch/ppc" to "arch/powerpc" to better match the Linux directory structure. Please note that this patch also changes the "ppc" target in MAKEALL to "powerpc" to match this new infrastructure. But "ppc" is kept as an alias for now, to not break compatibility with scripts using this name. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de> Acked-by: Kim Phillips <kim.phillips@freescale.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Anatolij Gustschin <agust@denx.de>
155 lines
3.6 KiB
C
155 lines
3.6 KiB
C
#ifndef _ASMPPC_SIGNAL_H
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#define _ASMPPC_SIGNAL_H
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#include <linux/types.h>
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/* Avoid too many header ordering problems. */
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struct siginfo;
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/* Most things should be clean enough to redefine this at will, if care
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is taken to make libc match. */
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#define _NSIG 64
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#define _NSIG_BPW 32
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
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typedef unsigned long old_sigset_t; /* at least 32 bits */
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typedef struct {
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unsigned long sig[_NSIG_WORDS];
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} sigset_t;
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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/*
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#define SIGLOST 29
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*/
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED 31
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/* These should not be considered constants from userland. */
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#define SIGRTMIN 32
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#define SIGRTMAX (_NSIG-1)
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/*
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* SA_FLAGS values:
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*
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* SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
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* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
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* SA_RESTART flag to get restarting signals (which were the default long ago)
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* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
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* SA_RESETHAND clears the handler when the signal is delivered.
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* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
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* SA_NODEFER prevents the current signal from being masked in the handler.
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*
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* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
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* Unix names RESETHAND and NODEFER respectively.
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*/
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#define SA_NOCLDSTOP 0x00000001
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#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
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#define SA_SIGINFO 0x00000004
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
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#define SA_RESTORER 0x04000000
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/*
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* sigaltstack controls
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*/
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#define SS_ONSTACK 1
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#define SS_DISABLE 2
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#define MINSIGSTKSZ 2048
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#define SIGSTKSZ 8192
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#ifdef __KERNEL__
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/*
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* These values of sa_flags are used only by the kernel as part of the
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* irq handling routines.
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*
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* SA_INTERRUPT is also used by the irq handling routines.
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* SA_SHIRQ is for shared interrupt support on PCI and EISA.
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*/
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#define SA_PROBE SA_ONESHOT
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#define SA_SAMPLE_RANDOM SA_RESTART
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#define SA_SHIRQ 0x04000000
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#endif
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#define SIG_BLOCK 0 /* for blocking signals */
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#define SIG_UNBLOCK 1 /* for unblocking signals */
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#define SIG_SETMASK 2 /* for setting the signal mask */
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/* Type of a signal handler. */
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typedef void (*__sighandler_t)(int);
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#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
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#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
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#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
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struct old_sigaction {
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__sighandler_t sa_handler;
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old_sigset_t sa_mask;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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};
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struct sigaction {
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__sighandler_t sa_handler;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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sigset_t sa_mask; /* mask last for extensibility */
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};
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struct k_sigaction {
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struct sigaction sa;
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};
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typedef struct sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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} stack_t;
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#ifdef __KERNEL__
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#include <asm/sigcontext.h>
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#endif
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#endif
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