12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 |
- /* Copyright (C) 1998, 1999, 2001, 2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /* System V/ARM ABI compliant context switching support. */
- #ifndef _SYS_UCONTEXT_H
- #define _SYS_UCONTEXT_H 1
- #include <features.h>
- #include <signal.h>
- #include <sys/procfs.h>
- /* We need the signal context definitions even if they are not used
- included in <signal.h>. */
- #include <bits/sigcontext.h>
- typedef int greg_t;
- /* Number of general registers. */
- #define NGREG 18
- /* Container for all general registers. */
- typedef elf_gregset_t gregset_t;
- /* Number of each register is the `gregset_t' array. */
- enum
- {
- R0 = 0,
- #define R0 R0
- R1 = 1,
- #define R1 R1
- R2 = 2,
- #define R2 R2
- R3 = 3,
- #define R3 R3
- R4 = 4,
- #define R4 R4
- R5 = 5,
- #define R5 R5
- R6 = 6,
- #define R6 R6
- R7 = 7,
- #define R7 R7
- R8 = 8,
- #define R8 R8
- R9 = 9,
- #define R9 R9
- R10 = 10,
- #define R10 R10
- R11 = 11,
- #define R11 R11
- R12 = 12,
- #define R12 R12
- R13 = 13,
- #define R13 R13
- R14 = 14,
- #define R14 R14
- R15 = 15
- #define R15 R15
- };
- /* Structure to describe FPU registers. */
- typedef elf_fpregset_t fpregset_t;
- /* Context to describe whole processor state. This only describes
- the core registers; coprocessor registers get saved elsewhere
- (e.g. in uc_regspace, or somewhere unspecified on the stack
- during non-RT signal handlers). */
- typedef struct sigcontext mcontext_t;
- /* Userlevel context. */
- typedef struct ucontext
- {
- unsigned long uc_flags;
- struct ucontext *uc_link;
- stack_t uc_stack;
- mcontext_t uc_mcontext;
- __sigset_t uc_sigmask;
- unsigned long uc_regspace[128] __attribute__((__aligned__(8)));
- } ucontext_t;
- #endif /* sys/ucontext.h */
|