4 #include <linux/compat.h>
5 #include <asm/siginfo.h>
6 #include <asm/signal.h>
9 * Data types and macros for providing 32b PowerPC support.
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.
17 /* These are here to support 32-bit syscalls on a 64-bit kernel. */
23 unsigned int orig_gpr3; /* Used for restarting system calls */
28 unsigned int mq; /* 601 only (not used at present) */
29 unsigned int trap; /* Reason for being here */
30 unsigned int dar; /* Fault registers */
32 unsigned int result; /* Result of a system call */
36 unsigned int _unused[4];
38 compat_uptr_t handler;
40 compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
44 elf_gregset_t32 mc_gregs;
45 elf_fpregset_t mc_fregs;
46 unsigned int mc_pad[2];
47 elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
48 elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16)));
52 unsigned int uc_flags;
54 compat_stack_t uc_stack;
56 compat_uptr_t uc_regs; /* points to uc_mcontext field */
57 compat_sigset_t uc_sigmask; /* mask last for extensibility */
58 /* glibc has 1024-bit signal masks, ours are 64-bit */
61 struct mcontext32 uc_mcontext;
64 #endif /* _PPC64_PPC32_H */