From 7a2b3e0dcdfdfe9523c46615ea42801bd3d671a9 Mon Sep 17 00:00:00 2001
From: Andreas Jaeger <jaegerandi@gmail.com>
Date: Wed, 28 Mar 2012 09:23:52 +0200
Subject: Move sysdeps/powerpc/powerpc32/elf files

	* sysdeps/powerpc/powerpc32/elf/bzero.S: Moved to ...
	* sysdeps/powerpc/powerpc32/bzero.S: ... here.
	* sysdeps/powerpc/powerpc32/elf/start.S: Moved to ...
	* sysdeps/powerpc/powerpc32/start.S: ... here.
	* sysdeps/powerpc/powerpc32/elf/configure.in: Merge into ...
	* sysdeps/powerpc/powerpc32/configure.in: ... this.
	* sysdeps/powerpc/powerpc32/elf/configure: Delete file.
---
 sysdeps/powerpc/powerpc32/configure.in | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'sysdeps/powerpc/powerpc32/configure.in')

diff --git a/sysdeps/powerpc/powerpc32/configure.in b/sysdeps/powerpc/powerpc32/configure.in
index 21d3f5ee5b..bc775bb139 100644
--- a/sysdeps/powerpc/powerpc32/configure.in
+++ b/sysdeps/powerpc/powerpc32/configure.in
@@ -30,3 +30,37 @@ rm -rf conftest*])
 if test $libc_cv_ppc_secure_plt = yes; then
   AC_DEFINE(HAVE_PPC_SECURE_PLT)
 fi
+
+# Check for support of thread-local storage handling in assembler and
+# linker.
+AC_CACHE_CHECK(for powerpc32 TLS support, libc_cv_powerpc32_tls, [dnl
+cat > conftest.s <<\EOF
+	.section ".tdata","awT",@progbits
+x:	.long	1
+x1:	.long	1
+x2:	.long	1
+	.text
+	addi	3,31,x@got@tlsgd
+	addi	3,31,x1@got@tlsld
+	addi	9,3,x1@dtprel
+	addis	9,3,x2@dtprel@ha
+	addi	9,9,x2@dtprel@l
+	lwz	0,x1@dtprel(3)
+	addis	9,3,x2@dtprel@ha
+	lwz	0,x2@dtprel@l(9)
+	lwz	9,x3@got@tprel(31)
+	add	9,9,x@tls
+	addi	9,2,x1@tprel
+	addis	9,2,x2@tprel@ha
+	addi	9,9,x2@tprel@l
+EOF
+dnl
+if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+  libc_cv_powerpc32_tls=yes
+else
+  libc_cv_powerpc32_tls=no
+fi
+rm -f conftest*])
+if test $libc_cv_powerpc32_tls = no; then
+  AC_MSG_ERROR([the assembler must support TLS])
+fi
-- 
cgit 1.4.1