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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/signal.h
parent25326277d8d1393d1c66240e6255aca780f9e3eb (diff)
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/signal.h')
-rw-r--r--arch/sh/include/asm/signal.h160
1 files changed, 160 insertions, 0 deletions
diff --git a/arch/sh/include/asm/signal.h b/arch/sh/include/asm/signal.h
new file mode 100644
index 00000000000..5c5c1e85208
--- /dev/null
+++ b/arch/sh/include/asm/signal.h
@@ -0,0 +1,160 @@
+#ifndef __ASM_SH_SIGNAL_H
+#define __ASM_SH_SIGNAL_H
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems. */
+struct pt_regs;
+struct siginfo;
+
+#ifdef __KERNEL__
+/* Most things should be clean enough to redefine this at will, if care
+ is taken to make libc match. */
+
+#define _NSIG 64
+#define _NSIG_BPW 32
+#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t; /* at least 32 bits */
+
+typedef struct {
+ unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#else
+/* Here we must cater to libcs that poke about in kernel headers. */
+
+#define NSIG 32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+
+#define SIGHUP 1
+#define SIGINT 2
+#define SIGQUIT 3
+#define SIGILL 4
+#define SIGTRAP 5
+#define SIGABRT 6
+#define SIGIOT 6
+#define SIGBUS 7
+#define SIGFPE 8
+#define SIGKILL 9
+#define SIGUSR1 10
+#define SIGSEGV 11
+#define SIGUSR2 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGTERM 15
+#define SIGSTKFLT 16
+#define SIGCHLD 17
+#define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGURG 23
+#define SIGXCPU 24
+#define SIGXFSZ 25
+#define SIGVTALRM 26
+#define SIGPROF 27
+#define SIGWINCH 28
+#define SIGIO 29
+#define SIGPOLL SIGIO
+/*
+#define SIGLOST 29
+*/
+#define SIGPWR 30
+#define SIGSYS 31
+#define SIGUNUSED 31
+
+/* These should not be considered constants from userland. */
+#define SIGRTMIN 32
+#define SIGRTMAX _NSIG
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP 0x00000001
+#define SA_NOCLDWAIT 0x00000002
+#define SA_SIGINFO 0x00000004
+#define SA_ONSTACK 0x08000000
+#define SA_RESTART 0x10000000
+#define SA_NODEFER 0x40000000
+#define SA_RESETHAND 0x80000000
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+
+#define SA_RESTORER 0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK 1
+#define SS_DISABLE 2
+
+#define MINSIGSTKSZ 2048
+#define SIGSTKSZ 8192
+
+#include <asm-generic/signal.h>
+
+#ifdef __KERNEL__
+struct old_sigaction {
+ __sighandler_t sa_handler;
+ old_sigset_t sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+
+struct sigaction {
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+};
+
+struct k_sigaction {
+ struct sigaction sa;
+};
+#else
+/* Here we must cater to libcs that poke about in kernel headers. */
+
+struct sigaction {
+ union {
+ __sighandler_t _sa_handler;
+ void (*_sa_sigaction)(int, struct siginfo *, void *);
+ } _u;
+ sigset_t sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+
+#define sa_handler _u._sa_handler
+#define sa_sigaction _u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+ void *ss_sp;
+ int ss_flags;
+ size_t ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+#include <asm/sigcontext.h>
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_SH_SIGNAL_H */