[src/trunk]: src/lib/libc/arch/mips/sys We need to save the GP of the caller ...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f0fcb69e6d34
branches:  trunk
changeset: 817145:f0fcb69e6d34
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Aug 10 16:45:24 2016 +0000

description:
We need to save the GP of the caller in the context for n32/n64

diffstat:

 lib/libc/arch/mips/sys/getcontext.S |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r b5b1f07e0020 -r f0fcb69e6d34 lib/libc/arch/mips/sys/getcontext.S
--- a/lib/libc/arch/mips/sys/getcontext.S       Wed Aug 10 16:40:24 2016 +0000
+++ b/lib/libc/arch/mips/sys/getcontext.S       Wed Aug 10 16:45:24 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: getcontext.S,v 1.4 2009/12/14 01:07:42 matt Exp $      */
+/*     $NetBSD: getcontext.S,v 1.5 2016/08/10 16:45:24 skrll Exp $     */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
 #include <machine/mcontext.h>
 
 #if defined(SYSLIBC_SCCS) && !defined(lint)
-       RCSID("$NetBSD: getcontext.S,v 1.4 2009/12/14 01:07:42 matt Exp $")
+       RCSID("$NetBSD: getcontext.S,v 1.5 2016/08/10 16:45:24 skrll Exp $")
 #endif /* SYSLIBC_SCCS && !lint */
 
 #ifdef WEAK_ALIAS
@@ -48,6 +48,10 @@
        bne             a3, zero, 1f
        REG_PROLOGUE
        REG_S           zero, (_OFFSETOF_UC_GREGS + _REG_V0 * SZREG)(a0)
+#if !defined(__mips_o32)
+       /* PIC_PROLOGUE saved gp in t3 */
+       REG_S           t3, (_OFFSETOF_UC_GREGS + _REG_GP * SZREG)(a0)
+#endif
        REG_S           ra, (_OFFSETOF_UC_GREGS + _REG_EPC * SZREG)(a0)
        REG_EPILOGUE
        PIC_RETURN()