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authorRoland McGrath <roland@gnu.org>2001-10-29 04:39:05 +0000
committerRoland McGrath <roland@gnu.org>2001-10-29 04:39:05 +0000
commitd3b82fcc5f62ca7f0e462a0765689c368dfc6b90 (patch)
tree4a7d649afbb31e8ac954a9204e97ee2879b45531 /sysdeps/generic/sys/ucontext.h
parentab0a3efc49493924133e9daf038d877598e03668 (diff)
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Support for Mach/PowerPC contributed by Peter Bruin <pjbruin@dds.nl>.
	* sysdeps/mach/powerpc/machine-sp.h: New file.
	* sysdeps/mach/powerpc/sysdep.h: New file.
	* sysdeps/mach/powerpc/thread_state.h: New file.

	* sysdeps/mach/hurd/i386/Makefile: File removed; crt0.o rules moved ...
	* sysdeps/mach/hurd/Makefile: ... to here.  For the time being, we can
	expect to need the same thing on every platform.

	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: File moved ...
	* sysdeps/generic/sys/ucontext.h: ... to replace this one.
Diffstat (limited to 'sysdeps/generic/sys/ucontext.h')
-rw-r--r--sysdeps/generic/sys/ucontext.h25
1 files changed, 23 insertions, 2 deletions
diff --git a/sysdeps/generic/sys/ucontext.h b/sysdeps/generic/sys/ucontext.h
index e3c4acef1f..d643dfbfc7 100644
--- a/sysdeps/generic/sys/ucontext.h
+++ b/sysdeps/generic/sys/ucontext.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Data structures for user-level context switching.  Generic version.
+   Copyright (C) 1997,98,99,2001 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
@@ -16,9 +17,29 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+/* This file's definitions suffice for any platform where all
+   the machine-specific state is described in `struct sigcontext'.  */
+
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
 
-#error "No system dependent context structure definitions"
+#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>
+
+typedef struct sigcontext mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long int uc_flags;
+    struct ucontext *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
 
 #endif /* sys/ucontext.h */