Don't check relocation if input ELF object ID doesn't match output.

bfd/

2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11933
	* elflink.c (elf_link_add_object_symbols): Don't check relocation
	if input ELF object ID doesn't match output.

ld/testsuite/

2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/11933
	* ld-x86-64/mixed1a.s: New.
	* ld-x86-64/mixed1b.s: Likewise.
	* ld-x86-64/mixed2a.s: Likewise.
	* ld-x86-64/mixed2b.s: Likewise.

	* ld-x86-64/x86-64.exp: Text mixed x86_64 and i386 inputs.

bfd/ChangeLog

@@ -1,3 +1,9 @@
+2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/11933
+	* elflink.c (elf_link_add_object_symbols): Don't check relocation
+	if input ELF object ID doesn't match output.
+
 2010-08-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* configure: Regenerate.

bfd/elflink.c

@@ -4791,6 +4791,7 @@ error_free_dyn:
   if (! dynamic
       && is_elf_hash_table (htab)
       && bed->check_relocs != NULL
+      && elf_object_id (abfd) == elf_hash_table_id (htab)
       && (*bed->relocs_compatible) (abfd->xvec, info->output_bfd->xvec))
     {
       asection *o;

ld/testsuite/ChangeLog

@@ -1,3 +1,13 @@
+2010-08-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/11933
+	* ld-x86-64/mixed1a.s: New.
+	* ld-x86-64/mixed1b.s: Likewise.
+	* ld-x86-64/mixed2a.s: Likewise.
+	* ld-x86-64/mixed2b.s: Likewise.
+
+	* ld-x86-64/x86-64.exp: Text mixed x86_64 and i386 inputs.
+
 2010-08-20  Maciej W. Rozycki  <macro@codesourcery.com>
 
 	* ld-sh/sh.exp: Add missing newline.

ld/testsuite/ld-x86-64/mixed1a.s

@@ -0,0 +1,6 @@
+	.text
+.globl _start
+	.type	_start, @function
+_start:
+	cmpq	$0, foo(%rip)
+	.size	_start, .-_start

ld/testsuite/ld-x86-64/mixed1b.s

@@ -0,0 +1,10 @@
+.globl foo
+	.section	.rodata.str1.1,"aMS",@progbits,1
+.LC0:
+	.string	"Hello"
+	.data
+	.align 4
+	.type	foo, @object
+	.size	foo, 4
+foo:
+	.long	.LC0

ld/testsuite/ld-x86-64/mixed2a.s

@@ -0,0 +1,7 @@
+	.text
+	.p2align 4,,15
+.globl _start
+	.type	_start, @function
+_start:
+	movl	foo(%rip), %eax
+	.size	_start, .-_start

ld/testsuite/ld-x86-64/mixed2b.s

@@ -0,0 +1,7 @@
+.globl foo
+	.data
+	.align 4
+	.type	foo, @object
+	.size	foo, 4
+foo:
+	.long	1

ld/testsuite/ld-x86-64/x86-64.exp

@@ -75,10 +75,41 @@ set x86_64tests {
     {"TLS IE->LE transition" "-melf_x86_64"
      "--64" {tlsie1.s}
      {{objdump -dwr tlsie1.dd}} "tlsie1"}
+    {"Helper 64bit object 1" "-r -melf_x86_64"
+     "--64" {mixed1a.s} {} "libmixe1a.o"}
+    {"Helper 32bit object 1" "-r -melf_i386"
+     "--32" {mixed1b.s} {} "libmixe1b.o"}
+    {"Helper 64bit object 2" "-r -melf_x86_64"
+     "--64" {mixed2a.s} {} "libmixe2a.o"}
+    {"Helper 32bit object 2" "-r -melf_i386"
+     "--32" {mixed2b.s} {} "libmixe2b.o"}
 }
 
 run_ld_link_tests $x86_64tests
 
+global link_output
+global ld
+
+set test_namename "Mixed x86_64 and i386 input test 1"
+set test mixed1
+if { ![ld_simple_link $ld tmpdir/$test "-melf_x86_64 tmpdir/${test}a.o tmpdir/${test}b.o"] } {
+    if [string match "*i386 architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64 output*" $link_output] {
+	pass "$test_name" 
+    } {
+	fail "$test_name" 
+    }
+}
+
+set test_namename "Mixed x86_64 and i386 input test 2"
+set test mixed2
+if { ![ld_simple_link $ld tmpdir/$test "-melf_x86_64 tmpdir/${test}a.o tmpdir/${test}b.o"] } {
+    if [string match "*i386 architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64 output*" $link_output] {
+	pass "$test_name" 
+    } {
+	fail "$test_name" 
+    }
+}
+
 run_dump_test "abs"
 run_dump_test "abs-l1om"
 run_dump_test "pcrel8"