summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/i386/sys/ucontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sys/ucontext.h')
-rw-r--r--sysdeps/unix/sysv/linux/i386/sys/ucontext.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sys/ucontext.h b/sysdeps/unix/sysv/linux/i386/sys/ucontext.h
new file mode 100644
index 0000000000..ccc32b661a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sys/ucontext.h
@@ -0,0 +1,106 @@
+/* Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+
+/* We need the signal context definitions even if they are not used
+ included in <signal.h>. */
+#include <bits/sigcontext.h>
+
+
+/* Type for general register. */
+typedef int greg_t;
+
+/* Number of general registers. */
+#define NGREG 19
+
+/* Container for all general registers. */
+typedef greg_t gregset_t[NGREG];
+
+/* Number of each register is the `gregset_t' array. */
+enum
+{
+ GS = 0,
+#define GS GS
+ FS,
+#define FS FS
+ ES,
+#define ES ES
+ DS,
+#define DS DS
+ EDI,
+#define EDI EDI
+ ESI,
+#define ESI ESI
+ EBP,
+#define EBP EBP
+ ESP,
+#define ESP ESP
+ EBX,
+#define EBX EBX
+ EDX,
+#define EDX EDX
+ ECX,
+#define ECX ECX
+ EAX,
+#define EAX EAX
+ TRAPNO,
+#define TRAPNO TRAPNO
+ ERR,
+#define ERR ERR
+ EIP,
+#define EIP EIP
+ CS,
+#define CS CS
+ EFL,
+#define EFL EFL
+ UESP,
+#define UESP UESP
+ SS
+#define SS SS
+};
+
+/* Structure to describe FPU registers. */
+typedef struct _fpstate *fpregset_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+ {
+ gregset_t gregs;
+ /* Due to Linux's history we have to use a pointer here. The SysV/i386
+ ABI requires a struct with the values. */
+ fpregset_t fpregs;
+ unsigned long int oldmask;
+ unsigned long int cr2;
+ } mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext
+ {
+ unsigned long int uc_flags;
+ struct ucontext *uc_links;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ __sigset_t uc_sigmask;
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */