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#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 */
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