1 files changed, 138 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/ppc32.h b/arch/powerpc/kernel/ppc32.h
new file mode 100644
index 000000000000..90e562771791
--- /dev/null
+++ b/arch/powerpc/kernel/ppc32.h
@@ -0,0 +1,138 @@
+#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 {
+                        compat_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 {
+        compat_uptr_t           sa_handler;
+        compat_old_sigset_t     sa_mask;
+        unsigned int            sa_flags;
+        compat_uptr_t           sa_restorer;     /* not used by Linux/SPARC yet */
+};
+struct sigaction32 {
+       compat_uptr_t  sa_handler;       /* Really a pointer, but need to deal with 32 bits */
+       unsigned int sa_flags;
+       compat_uptr_t 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 pt_regs32 {
+        unsigned int gpr[32];
+        unsigned int nip;
+        unsigned int msr;
+        unsigned int orig_gpr3;         /* Used for restarting system calls */
+        unsigned int ctr;
+        unsigned int link;
+        unsigned int xer;
+        unsigned int ccr;
+        unsigned int mq;                /* 601 only (not used at present) */
+        unsigned int trap;              /* Reason for being here */
+        unsigned int dar;               /* Fault registers */
+        unsigned int dsisr;
+        unsigned int result;            /* Result of a system call */
+};
+struct sigcontext32 {
+        unsigned int    _unused[4];
+        int             signal;
+        compat_uptr_t   handler;
+        unsigned int    oldmask;
+        compat_uptr_t   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];
+        compat_uptr_t           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 */

diff --git a/arch/powerpc/kernel/ppc32.h b/arch/powerpc/kernel/ppc32.h new file mode 100644 index 000000000000..90e562771791 --- /dev/null +++ b/arch/powerpc/kernel/ppc32.h
@@ -0,0 +1,138 @@
	1	#ifndef _PPC64_PPC32_H
	2	#define _PPC64_PPC32_H
	3
	4	#include <linux/compat.h>
	5	#include <asm/siginfo.h>
	6	#include <asm/signal.h>
	7
	8	/*
	9	* Data types and macros for providing 32b PowerPC support.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License
	13	* as published by the Free Software Foundation; either version
	14	* 2 of the License, or (at your option) any later version.
	15	*/
	16
	17	/* These are here to support 32-bit syscalls on a 64-bit kernel. */
	18
	19	typedef struct compat_siginfo {
	20	int si_signo;
	21	int si_errno;
	22	int si_code;
	23
	24	union {
	25	int _pad[SI_PAD_SIZE32];
	26
	27	/* kill() */
	28	struct {
	29	compat_pid_t _pid; /* sender's pid */
	30	compat_uid_t _uid; /* sender's uid */
	31	} _kill;
	32
	33	/* POSIX.1b timers */
	34	struct {
	35	compat_timer_t _tid; /* timer id */
	36	int _overrun; /* overrun count */
	37	compat_sigval_t _sigval; /* same as below */
	38	int _sys_private; /* not to be passed to user */
	39	} _timer;
	40
	41	/* POSIX.1b signals */
	42	struct {
	43	compat_pid_t _pid; /* sender's pid */
	44	compat_uid_t _uid; /* sender's uid */
	45	compat_sigval_t _sigval;
	46	} _rt;
	47
	48	/* SIGCHLD */
	49	struct {
	50	compat_pid_t _pid; /* which child */
	51	compat_uid_t _uid; /* sender's uid */
	52	int _status; /* exit code */
	53	compat_clock_t _utime;
	54	compat_clock_t _stime;
	55	} _sigchld;
	56
	57	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
	58	struct {
	59	unsigned int _addr; /* faulting insn/memory ref. */
	60	} _sigfault;
	61
	62	/* SIGPOLL */
	63	struct {
	64	int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	65	int _fd;
	66	} _sigpoll;
	67	} _sifields;
	68	} compat_siginfo_t;
	69
	70	#define __old_sigaction32 old_sigaction32
	71
	72	struct __old_sigaction32 {
	73	compat_uptr_t sa_handler;
	74	compat_old_sigset_t sa_mask;
	75	unsigned int sa_flags;
	76	compat_uptr_t sa_restorer; /* not used by Linux/SPARC yet */
	77	};
	78
	79
	80
	81	struct sigaction32 {
	82	compat_uptr_t sa_handler; /* Really a pointer, but need to deal with 32 bits */
	83	unsigned int sa_flags;
	84	compat_uptr_t sa_restorer; /* Another 32 bit pointer */
	85	compat_sigset_t sa_mask; /* A 32 bit mask */
	86	};
	87
	88	typedef struct sigaltstack_32 {
	89	unsigned int ss_sp;
	90	int ss_flags;
	91	compat_size_t ss_size;
	92	} stack_32_t;
	93
	94	struct pt_regs32 {
	95	unsigned int gpr[32];
	96	unsigned int nip;
	97	unsigned int msr;
	98	unsigned int orig_gpr3; /* Used for restarting system calls */
	99	unsigned int ctr;
	100	unsigned int link;
	101	unsigned int xer;
	102	unsigned int ccr;
	103	unsigned int mq; /* 601 only (not used at present) */
	104	unsigned int trap; /* Reason for being here */
	105	unsigned int dar; /* Fault registers */
	106	unsigned int dsisr;
	107	unsigned int result; /* Result of a system call */
	108	};
	109
	110	struct sigcontext32 {
	111	unsigned int _unused[4];
	112	int signal;
	113	compat_uptr_t handler;
	114	unsigned int oldmask;
	115	compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
	116	};
	117
	118	struct mcontext32 {
	119	elf_gregset_t32 mc_gregs;
	120	elf_fpregset_t mc_fregs;
	121	unsigned int mc_pad[2];
	122	elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
	123	};
	124
	125	struct ucontext32 {
	126	unsigned int uc_flags;
	127	unsigned int uc_link;
	128	stack_32_t uc_stack;
	129	int uc_pad[7];
	130	compat_uptr_t uc_regs; /* points to uc_mcontext field */
	131	compat_sigset_t uc_sigmask; /* mask last for extensibility */
	132	/* glibc has 1024-bit signal masks, ours are 64-bit */
	133	int uc_maskext[30];
	134	int uc_pad2[3];
	135	struct mcontext32 uc_mcontext;
	136	};
	137
	138	#endif /* _PPC64_PPC32_H */