| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 { |
| Stephen Rothwell | 0d77e5a | 2005-06-23 00:10:14 -0700 | [diff] [blame] | 35 | compat_timer_t _tid; /* timer id */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | 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 | |
| 81 | struct 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 | |
| 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 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 | |
| 102 | struct 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 | |
| 109 | struct 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 */ |