1 files changed, 122 insertions, 0 deletions
diff --git a/include/asm-ppc64/ppc32.h b/include/asm-ppc64/ppc32.h
new file mode 100644
index 000000000000..1d0404897550
--- /dev/null
+++ b/include/asm-ppc64/ppc32.h
@@ -0,0 +1,122 @@
+#ifndef _PPC64_PPC32_H
+#define _PPC64_PPC32_H
+
+#include <linux/compat.h>
+#include <asm/siginfo.h>
+#include <asm/signal.h>
+
+/*
+ * Data types and macros for providing 32b PowerPC support.
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/* These are here to support 32-bit syscalls on a 64-bit kernel. */
+
+typedef struct compat_siginfo {
+	int si_signo;
+	int si_errno;
+	int si_code;
+
+	union {
+		int _pad[SI_PAD_SIZE32];
+
+		/* kill() */
+		struct {
+			compat_pid_t _pid;		/* sender's pid */
+			compat_uid_t _uid;		/* sender's uid */
+		} _kill;
+
+		/* POSIX.1b timers */
+		struct {
+			timer_t _tid;			/* timer id */
+			int _overrun;			/* overrun count */
+			compat_sigval_t _sigval;		/* same as below */
+			int _sys_private;		/* not to be passed to user */
+		} _timer;
+
+		/* POSIX.1b signals */
+		struct {
+			compat_pid_t _pid;		/* sender's pid */
+			compat_uid_t _uid;		/* sender's uid */
+			compat_sigval_t _sigval;
+		} _rt;
+
+		/* SIGCHLD */
+		struct {
+			compat_pid_t _pid;		/* which child */
+			compat_uid_t _uid;		/* sender's uid */
+			int _status;			/* exit code */
+			compat_clock_t _utime;
+			compat_clock_t _stime;
+		} _sigchld;
+
+		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
+		struct {
+			unsigned int _addr; /* faulting insn/memory ref. */
+		} _sigfault;
+
+		/* SIGPOLL */
+		struct {
+			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
+			int _fd;
+		} _sigpoll;
+	} _sifields;
+} compat_siginfo_t;
+
+#define __old_sigaction32	old_sigaction32
+
+struct __old_sigaction32 {
+	unsigned		sa_handler;
+	compat_old_sigset_t  	sa_mask;
+	unsigned int    	sa_flags;
+	unsigned		sa_restorer;     /* not used by Linux/SPARC yet */
+};
+
+
+
+struct sigaction32 {
+       unsigned int  sa_handler;	/* Really a pointer, but need to deal with 32 bits */
+       unsigned int sa_flags;
+       unsigned int sa_restorer;	/* Another 32 bit pointer */
+       compat_sigset_t sa_mask;		/* A 32 bit mask */
+};
+
+typedef struct sigaltstack_32 {
+	unsigned int ss_sp;
+	int ss_flags;
+	compat_size_t ss_size;
+} stack_32_t;
+
+struct sigcontext32 {
+	unsigned int	_unused[4];
+	int		signal;
+	unsigned int	handler;
+	unsigned int	oldmask;
+	u32 regs;  /* 4 byte pointer to the pt_regs32 structure. */
+};
+
+struct mcontext32 {
+	elf_gregset_t32		mc_gregs;
+	elf_fpregset_t		mc_fregs;
+	unsigned int		mc_pad[2];
+	elf_vrregset_t32	mc_vregs __attribute__((__aligned__(16)));
+};
+
+struct ucontext32 { 
+	unsigned int	  	uc_flags;
+	unsigned int 	  	uc_link;
+	stack_32_t	 	uc_stack;
+	int		 	uc_pad[7];
+	u32			uc_regs;	/* points to uc_mcontext field */
+	compat_sigset_t	 	uc_sigmask;	/* mask last for extensibility */
+	/* glibc has 1024-bit signal masks, ours are 64-bit */
+	int		 	uc_maskext[30];
+	int		 	uc_pad2[3];
+	struct mcontext32	uc_mcontext;
+};
+
+#endif  /* _PPC64_PPC32_H */