sparc, sparc64: use arch/sparc/include

The majority of this patch was created by the following script:

***
ASM=arch/sparc/include/asm
mkdir -p $ASM
git mv include/asm-sparc64/ftrace.h $ASM
git rm include/asm-sparc64/*
git mv include/asm-sparc/* $ASM
sed -ie 's/asm-sparc64/asm/g' $ASM/*
sed -ie 's/asm-sparc/asm/g' $ASM/*
***

The rest was an update of the top-level Makefile to use sparc
for header files when sparc64 is being build.
And a small fixlet to pick up the correct unistd.h from
sparc64 code.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/signal_32.h b/arch/sparc/include/asm/signal_32.h
new file mode 100644
index 00000000000..96a60ab03ca
--- /dev/null
+++ b/arch/sparc/include/asm/signal_32.h
@@ -0,0 +1,207 @@
+#ifndef _ASMSPARC_SIGNAL_H
+#define _ASMSPARC_SIGNAL_H
+
+#include <asm/sigcontext.h>
+#include <linux/compiler.h>
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#include <linux/personality.h>
+#include <linux/types.h>
+#endif
+#endif
+
+/* On the Sparc the signal handlers get passed a 'sub-signal' code
+ * for certain signal types, which we document here.
+ */
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define    SUBSIG_STACK       0
+#define    SUBSIG_ILLINST     2
+#define    SUBSIG_PRIVINST    3
+#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
+
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+
+#define SIGEMT           7
+#define    SUBSIG_TAG    10
+
+#define SIGFPE		 8
+#define    SUBSIG_FPDISABLED     0x400
+#define    SUBSIG_FPERROR        0x404
+#define    SUBSIG_FPINTOVFL      0x001
+#define    SUBSIG_FPSTSIG        0x002
+#define    SUBSIG_IDIVZERO       0x014
+#define    SUBSIG_FPINEXACT      0x0c4
+#define    SUBSIG_FPDIVZERO      0x0c8
+#define    SUBSIG_FPUNFLOW       0x0cc
+#define    SUBSIG_FPOPERROR      0x0d0
+#define    SUBSIG_FPOVFLOW       0x0d4
+
+#define SIGKILL		 9
+#define SIGBUS          10
+#define    SUBSIG_BUSTIMEOUT    1
+#define    SUBSIG_ALIGNMENT     2
+#define    SUBSIG_MISCERROR     5
+
+#define SIGSEGV		11
+#define    SUBSIG_NOMAPPING     3
+#define    SUBSIG_PROTECTION    4
+#define    SUBSIG_SEGERROR      5
+
+#define SIGSYS		12
+
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGURG          16
+
+/* SunOS values which deviate from the Linux/i386 ones */
+#define SIGSTOP		17
+#define SIGTSTP		18
+#define SIGCONT		19
+#define SIGCHLD		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGIO		23
+#define SIGPOLL		SIGIO   /* SysV name for SIGIO */
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGLOST		29
+#define SIGPWR		SIGLOST
+#define SIGUSR1		30
+#define SIGUSR2		31
+
+/* Most things should be clean enough to redefine this at will, if care
+ * is taken to make libc match.
+ */
+
+#define __OLD_NSIG	32
+#define __NEW_NSIG	64
+#define _NSIG_BPW	32
+#define _NSIG_WORDS	(__NEW_NSIG / _NSIG_BPW)
+
+#define SIGRTMIN	32
+#define SIGRTMAX	__NEW_NSIG
+
+#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
+#define	_NSIG		__NEW_NSIG
+#define __new_sigset_t	sigset_t
+#define __new_sigaction	sigaction
+#define __old_sigset_t	old_sigset_t
+#define __old_sigaction	old_sigaction
+#else
+#define _NSIG		__OLD_NSIG
+#define __old_sigset_t	sigset_t
+#define __old_sigaction	sigaction
+#endif
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned long __old_sigset_t;
+
+typedef struct {
+	unsigned long	sig[_NSIG_WORDS];
+} __new_sigset_t;
+
+
+#ifdef __KERNEL__
+/* A SunOS sigstack */
+struct sigstack {
+	char *the_stack;
+	int   cur_status;
+};
+#endif
+
+/* Sigvec flags */
+#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define _SV_INTR      2u    /* Sig return should not restart system call */
+#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
+
+/*
+ * sa_flags values: SA_STACK is not currently supported, but will allow the
+ * usage of signal stacks by using the (now obsolete) sa_restorer field in
+ * the sigaction structure as a stack pointer. This is now possible due to
+ * the changes in signal handling. LBT 010493.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ */
+#define SA_NOCLDSTOP	_SV_IGNCHILD
+#define SA_STACK	_SV_SSTACK
+#define SA_ONSTACK	_SV_SSTACK
+#define SA_RESTART	_SV_INTR
+#define SA_ONESHOT	_SV_RESET
+#define SA_NOMASK	0x20u
+#define SA_NOCLDWAIT	0x100u
+#define SA_SIGINFO	0x200u
+
+#define SIG_BLOCK          0x01	/* for blocking signals */
+#define SIG_UNBLOCK        0x02	/* for unblocking signals */
+#define SIG_SETMASK        0x04	/* for setting the signal mask */
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	4096
+#define SIGSTKSZ	16384
+
+#ifdef __KERNEL__
+/*
+ * DJHR
+ * SA_STATIC_ALLOC is used for the SPARC system to indicate that this
+ * interrupt handler's irq structure should be statically allocated
+ * by the request_irq routine.
+ * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
+ * of interrupt usage and that sucks. Also without a flag like this
+ * it may be possible for the free_irq routine to attempt to free
+ * statically allocated data.. which is NOT GOOD.
+ *
+ */
+#define SA_STATIC_ALLOC		0x8000
+#endif
+
+#include <asm-generic/signal.h>
+
+#ifdef __KERNEL__
+struct __new_sigaction {
+	__sighandler_t	sa_handler;
+	unsigned long	sa_flags;
+	void		(*sa_restorer)(void);	/* Not used by Linux/SPARC */
+	__new_sigset_t	sa_mask;
+};
+
+struct k_sigaction {
+	struct __new_sigaction	sa;
+	void			__user *ka_restorer;
+};
+
+struct __old_sigaction {
+	__sighandler_t	sa_handler;
+	__old_sigset_t	sa_mask;
+	unsigned long	sa_flags;
+	void		(*sa_restorer) (void);	/* not used by Linux/SPARC */
+};
+
+typedef struct sigaltstack {
+	void		__user *ss_sp;
+	int		ss_flags;
+	size_t		ss_size;
+} stack_t;
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* !(__KERNEL__) */
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(_ASMSPARC_SIGNAL_H) */