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authorEric Andersen <andersen@codepoet.org>2003-02-27 18:13:05 +0000
committerEric Andersen <andersen@codepoet.org>2003-02-27 18:13:05 +0000
commit187dd78d7bd1c03fcf16e54a30314512d38e1a4a (patch)
tree9780638e5286b40da74a128c9f540a9ea720862f /libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h
parentd4d6e2c50565da18253cd0d6f3332484142b6587 (diff)
Major update for pthreads, based in large part on improvements
from glibc 2.3. This should make threads much more efficient. -Erik
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h')
-rw-r--r--libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h45
1 files changed, 36 insertions, 9 deletions
diff --git a/libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h b/libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h
index 42c18b22b..6530ba6f3 100644
--- a/libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h
+++ b/libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h
@@ -1,24 +1,51 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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.
+ 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
- Library General Public License for more details.
+ Lesser 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. */
+ 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. */
#define SIGCONTEXT struct sigcontext
#define SIGCONTEXT_EXTRA_ARGS
#define GET_PC(ctx) ((void *) ctx.eip)
#define GET_FRAME(ctx) ((void *) ctx.ebp)
#define GET_STACK(ctx) ((void *) ctx.esp_at_signal)
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+do { \
+ int __tmp1, __tmp2, __tmp3, __tmp4; \
+ __asm __volatile ("movl\t%%esp, %%edi\n\t" \
+ "andl\t$-16, %%esp\n\t" \
+ "subl\t%8, %%esp\n\t" \
+ "movl\t%%edi, %c8-4(%%esp)\n\t" \
+ "movl\t%1, 0(%%esp)\n\t" \
+ "leal\t4(%%esp), %%edi\n\t" \
+ "cld\n\t" \
+ "rep\tmovsl\n\t" \
+ "call\t*%0\n\t" \
+ "cld\n\t" \
+ "movl\t%9, %%ecx\n\t" \
+ "subl\t%%edi, %%esi\n\t" \
+ "leal\t4(%%esp,%%esi,1), %%edi\n\t" \
+ "leal\t4(%%esp), %%esi\n\t" \
+ "rep\tmovsl\n\t" \
+ "movl\t%c8-4(%%esp), %%esp\n\t" \
+ : "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \
+ "=c" (__tmp4) \
+ : "0" (handler), "1" (signo), "2" (&ctx), \
+ "3" (sizeof (struct sigcontext) / 4), \
+ "n" ((sizeof (struct sigcontext) + 19) & ~15), \
+ "i" (sizeof (struct sigcontext) / 4) \
+ : "cc", "edi"); \
+} while (0)