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authorEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
committerEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
commite83a36ce9f97ac0f59117b3a62fd2dd8461b1fd5 (patch)
tree85ce10f2fc87fba69e07a13d7036d074e195dea7 /include/sys/ucontext.h
parent65eee187317b93773d2409d0e7e2814d34c6a0e1 (diff)
Rev all the header files to sync things with glibc 2.2.4
Diffstat (limited to 'include/sys/ucontext.h')
-rw-r--r--include/sys/ucontext.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/include/sys/ucontext.h b/include/sys/ucontext.h
new file mode 100644
index 000000000..6d6c8e399
--- /dev/null
+++ b/include/sys/ucontext.h
@@ -0,0 +1,94 @@
+/* Copyright (C) 1998, 1999, 2001 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>
+
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 16
+
+/* 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. */
+typedef struct
+ {
+ gregset_t gregs;
+ fpregset_t fpregs;
+ } mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext
+ {
+ unsigned long int uc_flags;
+ struct ucontext *uc_link;
+ __sigset_t uc_sigmask;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ long int uc_filler[5];
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */