summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/i386/getcontext.S
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-06-24 09:02:16 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-24 09:02:16 +0000
commit24176967122b027e51e437ace3b9afdf841fed9d (patch)
tree9e6cdbaf793db367e817d2baac4eaa7012cdc3bc /sysdeps/unix/sysv/linux/i386/getcontext.S
parent67b78ef91b1441c7f94fe03e1bad161d5912f5ac (diff)
Update.
2003-05-19 Ed Connell <ed.connell@sas.com> * sysdeps/unix/sysv/linux/i386/getcontext.S (getcontext): Retain floating point mask. * sysdeps/i386/fpu/fegetenv.c (fegetenv): Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/getcontext.S')
-rw-r--r--sysdeps/unix/sysv/linux/i386/getcontext.S6
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/getcontext.S b/sysdeps/unix/sysv/linux/i386/getcontext.S
index 9db129f5a6..68541d5d80 100644
--- a/sysdeps/unix/sysv/linux/i386/getcontext.S
+++ b/sysdeps/unix/sysv/linux/i386/getcontext.S
@@ -1,5 +1,5 @@
/* Save current context.
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
@@ -56,6 +56,10 @@ ENTRY(__getcontext)
movl %ecx, oFPREGS(%eax)
/* Save the floating-point context. */
fnstenv (%ecx)
+ /* And load it right back since the processor changes the mask.
+ Intel thought this opcode to be used in interrupt handlers which
+ would block all exceptions. */
+ fldenv (%ecx)
/* Save the current signal mask. */
pushl %ebx