Author: nwhitehorn
Date: Tue Mar 13 18:59:19 2012
New Revision: 232932
URL: http://svn.freebsd.org/changeset/base/232932
Log:
Work around a binutils bug on powerpc64 where the TOC would not be
properly reloaded when calling _fini() in large binaries with multiple
TOC sections (e.g. GCC), leading to a segmentation fault. Adding -mlongcall
to crt1 flags causes the compiler to emit explicit TOC load instructions
for all function calls, including _fini().
Reviewed by: kib
Pointy hat to: kib
Modified:
head/lib/csu/powerpc64/Makefile
Modified: head/lib/csu/powerpc64/Makefile
==============================================================================
--- head/lib/csu/powerpc64/Makefile Tue Mar 13 18:53:28 2012
(r232931)
+++ head/lib/csu/powerpc64/Makefile Tue Mar 13 18:59:19 2012
(r232932)
@@ -6,7 +6,8 @@ SRCS= crt1.c crti.S crtn.S
OBJS= ${SRCS:N*.h:R:S/$/.o/g}
OBJS+= Scrt1.o gcrt1.o
CFLAGS+= -I${.CURDIR}/../common \
- -I${.CURDIR}/../../libc/include
+ -I${.CURDIR}/../../libc/include \
+ -mlongcall
all: ${OBJS}
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