summary refs log tree commit diff
path: root/nptl/sysdeps/i386/pthreaddef.h
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/sysdeps/i386/pthreaddef.h')
-rw-r--r--nptl/sysdeps/i386/pthreaddef.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/pthreaddef.h b/nptl/sysdeps/i386/pthreaddef.h
new file mode 100644
index 0000000000..6efa1b6d82
--- /dev/null
+++ b/nptl/sysdeps/i386/pthreaddef.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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.  */
+
+/* Default stack size.  */
+#define ARCH_STACK_DEFAULT_SIZE	(2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning.  SSE requires 16
+   bytes.  */
+#define STACK_ALIGN		16
+
+/* Minimal stack size after allocating thread descriptor and guard size.  */
+#define MINIMAL_REST_STACK	2048
+
+/* Alignment requirement for TCB.  */
+#define TCB_ALIGNMENT		16
+
+/* The signal used for asynchronous cancelation.  */
+#define SIGCANCEL		__SIGRTMIN
+
+
+/* Location of current stack frame.  */
+#define CURRENT_STACK_FRAME	__builtin_frame_address (0)
+
+
+/* XXX Until we have a better place keep the definitions here.  */
+
+/* While there is no such syscall.  */
+#define __exit_thread_inline(val) \
+  while (1) {								      \
+    if (__builtin_constant_p (val) && (val) == 0)			      \
+      asm volatile ("xorl %%ebx, %%ebx; int $0x80" :: "a" (__NR_exit));	      \
+    else								      \
+      asm volatile ("movl %1, %%ebx; int $0x80"				      \
+		    :: "a" (__NR_exit), "r" (val));			      \
+  }
+#define gettid()							      \
+  ({ int tid;								      \
+     __asm __volatile ("int $0x80" : "=a" (tid) : "0" (__NR_gettid));	      \
+     tid; })