diff options
| author | Eric Andersen <andersen@codepoet.org> | 2003-02-27 18:13:05 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2003-02-27 18:13:05 +0000 |
| commit | 187dd78d7bd1c03fcf16e54a30314512d38e1a4a (patch) | |
| tree | 9780638e5286b40da74a128c9f540a9ea720862f /libpthread/linuxthreads/sysdeps/i386/sigcontextinfo.h | |
| parent | d4d6e2c50565da18253cd0d6f3332484142b6587 (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.h | 45 |
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) |