projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
19 | #define __old_sigaction32 old_sigaction32 |
| 20 | ||
| 21 | struct __old_sigaction32 { | |
| 81e7009e | 22 | compat_uptr_t sa_handler; |
| 1da177e4 LT |
23 | compat_old_sigset_t sa_mask; |
| 24 | unsigned int sa_flags; | |
| 81e7009e | 25 | compat_uptr_t sa_restorer; /* not used by Linux/SPARC yet */ |
| 1da177e4 LT |
26 | }; |
| 27 | ||
| 28 | ||
| 29 | ||
| 30 | struct sigaction32 { | |
| 81e7009e | 31 | compat_uptr_t sa_handler; /* Really a pointer, but need to deal with 32 bits */ |
| 1da177e4 | 32 | unsigned int sa_flags; |
| 81e7009e | 33 | compat_uptr_t sa_restorer; /* Another 32 bit pointer */ |
| 1da177e4 LT |
34 | compat_sigset_t sa_mask; /* A 32 bit mask */ |
| 35 | }; | |
| 36 | ||
| 37 | typedef struct sigaltstack_32 { | |
| 38 | unsigned int ss_sp; | |
| 39 | int ss_flags; | |
| 40 | compat_size_t ss_size; | |
| 41 | } stack_32_t; | |
| 42 | ||
| da80d460 SR |
43 | struct pt_regs32 { |
| 44 | unsigned int gpr[32]; | |
| 45 | unsigned int nip; | |
| 46 | unsigned int msr; | |
| 47 | unsigned int orig_gpr3; /* Used for restarting system calls */ | |
| 48 | unsigned int ctr; | |
| 49 | unsigned int link; | |
| 50 | unsigned int xer; | |
| 51 | unsigned int ccr; | |
| 52 | unsigned int mq; /* 601 only (not used at present) */ | |
| 53 | unsigned int trap; /* Reason for being here */ | |
| 54 | unsigned int dar; /* Fault registers */ | |
| 55 | unsigned int dsisr; | |
| 56 | unsigned int result; /* Result of a system call */ | |
| 57 | }; | |
| 58 | ||
| 1da177e4 LT |
59 | struct sigcontext32 { |
| 60 | unsigned int _unused[4]; | |
| 61 | int signal; | |
| 81e7009e | 62 | compat_uptr_t handler; |
| 1da177e4 | 63 | unsigned int oldmask; |
| 81e7009e | 64 | compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */ |
| 1da177e4 LT |
65 | }; |
| 66 | ||
| 67 | struct mcontext32 { | |
| 68 | elf_gregset_t32 mc_gregs; | |
| 69 | elf_fpregset_t mc_fregs; | |
| 70 | unsigned int mc_pad[2]; | |
| 71 | elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16))); | |
| ce48b210 | 72 | elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16))); |
| 1da177e4 LT |
73 | }; |
| 74 | ||
| 75 | struct ucontext32 { | |
| 76 | unsigned int uc_flags; | |
| 77 | unsigned int uc_link; | |
| 78 | stack_32_t uc_stack; | |
| 79 | int uc_pad[7]; | |
| 81e7009e | 80 | compat_uptr_t uc_regs; /* points to uc_mcontext field */ |
| 1da177e4 LT |
81 | compat_sigset_t uc_sigmask; /* mask last for extensibility */ |
| 82 | /* glibc has 1024-bit signal masks, ours are 64-bit */ | |
| 83 | int uc_maskext[30]; | |
| 84 | int uc_pad2[3]; | |
| 85 | struct mcontext32 uc_mcontext; | |
| 86 | }; | |
| 87 | ||
| 88 | #endif /* _PPC64_PPC32_H */ |