re PR target/38118 (gcc emits non-TLS data as TLS on Solaris 11/SPARC)

	* configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
	and Sun as TLS syntax.
	(TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* varasm.c (TLS_SECTION_ASM_FLAG): Define default.
	(default_elf_asm_named_section): Use it.
	* config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
	(i386_output_dwarf_dtprel): Likewise.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @GOTTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @GOTNTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @INDNTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @NTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @TPOFF.
	(output_addr_const_extra): Likewise.
	* config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase
	@TLSGD.
	(*tls_global_dynamic_64): Likewise.
	(*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
	(*tls_local_dynamic_base_64): Lowercase	@TLSLD.

	* defaults.h (TLS_COMMON_ASM_OP): Provide default.
	(ASM_OUTPUT_TLS_COMMON): Use it.
	* config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.

	PR target/38118
	* config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to
	tm_file.
	* config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
	* config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
	* config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
	* config/i386/sol2.h (TARGET_SUN_TLS): Redefine.

From-SVN: r157705

1 files changed, 46 insertions, 17 deletions

diff --git a/gcc/configure.ac b/gcc/configure.ac
index 15ce300dd6d..6eee49b48e3 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to generate a configuration script.
 
 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009 Free Software Foundation, Inc.
+# 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 #This file is part of GCC.
 
@@ -2573,25 +2573,54 @@ foo:	.long	25
 	tls_first_minor=17
 	;;
   i[34567]86-*-*)
-    conftest_s='
-	.section ".tdata","awT",@progbits
+    case "$target" in
+      i[34567]86-*-solaris2.[56789]*)
+	# TLS was introduced in the Solaris 9 4/04 release but
+	# we do not enable it by default on Solaris 9 either.
+	if test "x$enable_tls" = xyes ; then
+	  on_solaris=yes
+	else
+	  enable_tls=no;
+	fi
+	;;
+      i[34567]86-*-solaris2.*)
+	on_solaris=yes
+	;;
+      *)
+	on_solaris=no
+	;;
+    esac
+    if test x$on_solaris = xyes && test x$gas_flag = xno; then
+      conftest_s='
+	.section .tdata,"awt",@progbits'
+      tls_first_major=0
+      tls_first_minor=0
+changequote([,])dnl
+      AC_DEFINE(TLS_SECTION_ASM_FLAG, 't',
+[Define to the flag used to mark TLS sections if the default (`T') doesn't work.])
+changequote(,)dnl
+    else
+      conftest_s='
+	.section ".tdata","awT",@progbits'
+      tls_first_major=2
+      tls_first_minor=14
+      tls_as_opt="--fatal-warnings"
+    fi
+    conftest_s="$conftest_s
 foo:	.long	25
 	.text
 	movl	%gs:0, %eax
-	leal	foo@TLSGD(,%ebx,1), %eax
-	leal	foo@TLSLDM(%ebx), %eax
-	leal	foo@DTPOFF(%eax), %edx
-	movl	foo@GOTTPOFF(%ebx), %eax
-	subl	foo@GOTTPOFF(%ebx), %eax
-	addl	foo@GOTNTPOFF(%ebx), %eax
-	movl	foo@INDNTPOFF, %eax
-	movl	$foo@TPOFF, %eax
-	subl	$foo@TPOFF, %eax
-	leal	foo@NTPOFF(%ecx), %eax'
-	tls_first_major=2
-	tls_first_minor=14
-	tls_as_opt=--fatal-warnings
-	;;
+	leal	foo@tlsgd(,%ebx,1), %eax
+	leal	foo@tlsldm(%ebx), %eax
+	leal	foo@dtpoff(%eax), %edx
+	movl	foo@gottpoff(%ebx), %eax
+	subl	foo@gottpoff(%ebx), %eax
+	addl	foo@gotntpoff(%ebx), %eax
+	movl	foo@indntpoff, %eax
+	movl	\$foo@tpoff, %eax
+	subl	\$foo@tpoff, %eax
+	leal	foo@ntpoff(%ecx), %eax"
+    ;;
   x86_64-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits