libthread: use consistent stack calculation code in makecontext

Also reduce duplication: makecontext is per-arch not per-os-arch.

May fix #353.

1 files changed, 0 insertions, 49 deletions

diff --git a/src/libthread/Linux-sparc64-swapcontext.c b/src/libthread/Linux-sparc64-swapcontext.c
deleted file mode 100644
index e4800c19..00000000
--- a/src/libthread/Linux-sparc64-swapcontext.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>.
-
-   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.  */
-
-#include <ucontext.h>
-
-#define UC_M_PC 40
-#define UC_M_NPC 48
-
-extern int __getcontext (ucontext_t *ucp);
-extern int __setcontext (const ucontext_t *ucp, int restoremask);
-
-int
-swapcontext (ucontext_t *oucp, const ucontext_t *ucp)
-{
-  extern void __swapcontext_ret (void);
-  /* Save the current machine context to oucp.  */
-  __getcontext (oucp);
-  /* Modify oucp to skip the __setcontext call on reactivation.  */
-  *(long*)((char*)oucp+UC_M_PC) = (long)__swapcontext_ret;
-  *(long*)((char*)oucp+UC_M_NPC) = (long)__swapcontext_ret + 4;
-  /* Restore the machine context in ucp.  */
-  __setcontext (ucp, 1);
-  return 0;
-}
-
-asm ("							\n\
-	.text						\n\
-	.type	__swapcontext_ret, #function		\n\
-__swapcontext_ret:					\n\
-	return	%i7 + 8					\n\
-	 clr	%o0					\n\
-	.size	__swapcontext_ret, .-__swapcontext_ret	\n\
-     ");