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Linux kernel mirror (for testing)
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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
19typedef 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 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
72struct __old_sigaction32 {
73 unsigned sa_handler;
74 compat_old_sigset_t sa_mask;
75 unsigned int sa_flags;
76 unsigned sa_restorer; /* not used by Linux/SPARC yet */
77};
78
79
80
81struct sigaction32 {
82 unsigned int sa_handler; /* Really a pointer, but need to deal with 32 bits */
83 unsigned int sa_flags;
84 unsigned int sa_restorer; /* Another 32 bit pointer */
85 compat_sigset_t sa_mask; /* A 32 bit mask */
86};
87
88typedef struct sigaltstack_32 {
89 unsigned int ss_sp;
90 int ss_flags;
91 compat_size_t ss_size;
92} stack_32_t;
93
94struct sigcontext32 {
95 unsigned int _unused[4];
96 int signal;
97 unsigned int handler;
98 unsigned int oldmask;
99 u32 regs; /* 4 byte pointer to the pt_regs32 structure. */
100};
101
102struct mcontext32 {
103 elf_gregset_t32 mc_gregs;
104 elf_fpregset_t mc_fregs;
105 unsigned int mc_pad[2];
106 elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
107};
108
109struct ucontext32 {
110 unsigned int uc_flags;
111 unsigned int uc_link;
112 stack_32_t uc_stack;
113 int uc_pad[7];
114 u32 uc_regs; /* points to uc_mcontext field */
115 compat_sigset_t uc_sigmask; /* mask last for extensibility */
116 /* glibc has 1024-bit signal masks, ours are 64-bit */
117 int uc_maskext[30];
118 int uc_pad2[3];
119 struct mcontext32 uc_mcontext;
120};
121
122#endif /* _PPC64_PPC32_H */