From: cgf <cgf>
Date: Mon, 30 Sep 2002 04:26:52 +0000 (+0000)
Subject: * exceptions.cc (unused_sig_wrapper): Accommodate newer compilers.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a125f785425d80fdda9a7ccb1616aae2a5f788c5;p=pf3gnuchains%2Fsourceware.git

* exceptions.cc (unused_sig_wrapper): Accommodate newer compilers.
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 1ca8c93942..8d8614452c 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2002-09-30  Christopher Faylor  <cgf@redhat.com>
+
+	* exceptions.cc (unused_sig_wrapper): Accommodate newer compilers.
+
 2002-09-29  Christopher Faylor  <cgf@redhat.com>
 
 	* security.cc (allow_ntsec): Default to zero.
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index a1d7019fe6..54c5d59e08 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -1178,7 +1178,13 @@ reset_signal_arrived ()
   sigproc_printf ("reset signal_arrived");
 }
 
-void unused_sig_wrapper ()
+static void unused_sig_wrapper () __attribute__((const, unused));
+
+#undef errno
+#define errno ((DWORD volatile) _impure_ptr) + (((char *) &_impure_ptr->_errno) - ((char *) _impure_ptr))
+
+static void
+unused_sig_wrapper ()
 {
 /* Signal cleanup stuff.  Cleans up stack (too bad that we didn't
    prototype signal handlers as __stdcall), calls _set_process_mask
@@ -1199,8 +1205,7 @@ _sigreturn:								\n\
 1:	popl	%%eax		# saved errno				\n\
 	testl	%%eax,%%eax	# Is it < 0				\n\
 	jl	2f		# yup.  ignore it			\n\
-	movl	%1,%%ebx						\n\
-	movl	%%eax,(%%ebx)						\n\
+	movl	%%eax,%1						\n\
 2:	popl	%%eax							\n\
 	popl	%%ebx							\n\
 	popl	%%ecx							\n\
@@ -1240,7 +1245,7 @@ _sigdelayed0:								\n\
 	popl	%%eax							\n\
 	jmp	*%%eax							\n\
 __no_sig_end:								\n\
-" : "=m" (sigsave.sig) : "m" (&_impure_ptr->_errno),
+" : "=m" (sigsave.sig):  "X" (errno),
   "g" (sigsave.retaddr), "g" (sigsave.oldmask), "g" (sigsave.sig),
     "g" (sigsave.func), "g" (sigsave.saved_errno), "g" (sigsave.newmask)
 );
diff --git a/winsup/cygwin/thread.cc b/winsup/cygwin/thread.cc
index 0f27ef3d49..6411cdbd6a 100644
--- a/winsup/cygwin/thread.cc
+++ b/winsup/cygwin/thread.cc
@@ -2225,7 +2225,7 @@ pthread_mutex::init (pthread_mutex_t *mutex,
   DWORD waitResult = WaitForSingleObject (mutexInitializationLock, INFINITE);
   if (waitResult != WAIT_OBJECT_0)
     {
-      system_printf ("Received a unexpected wait result on mutexInitializationLock %d\n", waitResult);
+      system_printf ("Received a unexpected wait result on mutexInitializationLock %d, %E\n", waitResult);
       return EINVAL;
     }