bfd/

	* coff-rs6000.c (xcoff_howto_table): Change size to 0 and bitsize to 1.
	(_bfd_xcoff_reloc_type_lookup): Handle BFD_RELOC_NONE.
	* coff64-rs6000.c (xcoff64_howto_table): Change size to 0 and
	bitsize to 1.
	(xcoff64_reloc_type_lookup): Handle BFD_RELOC_NONE.

gas/
	* write.h (fix_at_start): Declare.
	* write.c (fix_new_internal): Add at_beginning parameter.
	Use it instead of REVERSE_SORT_RELOCS.  Fix the handling of
	seg_fix_tailP for the at_beginning/REVERSE_SORT_RELOCS case.
	(fix_new, fix_new_exp): Update accordingly.
	(fix_at_start): New function.
	* config/tc-ppc.c (md_pseudo_table): Add .ref to the OBJ_XCOFF section.
	(ppc_ref): New function, for OBJ_XCOFF.
	(md_apply_fix): Handle BFD_RELOC_NONE for OBJ_XCOFF.
	* config/te-i386aix.h (REVERSE_SORT_RELOCS): Remove #undef.

gas/testsuite/
	* gas/ppc/xcoff-ref-1.s, gas/ppc/xcoff-ref-1.l: New test.
	* gas/ppc/aix.exp: Run it.


ld/testsuite/
	* ld-powerpc/aix-ref-1-32.od, ld-powerpc/aix-ref-1-64.od,
	ld-powerpc/aix-ref-1.s: New tests.
	* ld-powerpc/aix52.exp: Run them.

4 files changed, 122 insertions, 0 deletions

diff --git a/ld/testsuite/ld-powerpc/aix-ref-1-32.od b/ld/testsuite/ld-powerpc/aix-ref-1-32.od
new file mode 100644
index 0000000..1ba90ec
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/aix-ref-1-32.od
@@ -0,0 +1,30 @@
+
+.*
+
+
+Disassembly of section \.text:
+
+.* <foo1>:
+.*:	60 00 00 00 	oril    r0,r0,0
+			.*: R_REF	foo2\+.*
+.*:	80 22 00 00 	l       r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+.*:	4e 80 00 20 	br
+
+.* <foo2>:
+.*:	60 00 00 00 	oril    r0,r0,0
+			.*: R_REF	foo6\+.*
+			.*: R_REF	foo4\+.*
+.*:	80 22 00 00 	l       r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+
+.* <foo4>:
+.*:	60 00 00 00 	oril    r0,r0,0
+.*:	80 22 00 00 	l       r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+
+.* <foo6>:
+.*:	60 00 00 00 	oril    r0,r0,0
+.*:	80 22 00 00 	l       r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+	\.\.\.
diff --git a/ld/testsuite/ld-powerpc/aix-ref-1-64.od b/ld/testsuite/ld-powerpc/aix-ref-1-64.od
new file mode 100644
index 0000000..9cc6e9d
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/aix-ref-1-64.od
@@ -0,0 +1,30 @@
+
+.*
+
+
+Disassembly of section \.text:
+
+.* <foo1>:
+    .*:	60 00 00 00 	nop
+			.*: R_REF	foo2\+.*
+    .*:	e8 22 00 00 	ld      r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+    .*:	4e 80 00 20 	blr
+
+.* <foo2>:
+    .*:	60 00 00 00 	nop
+			.*: R_REF	foo6\+.*
+			.*: R_REF	foo4\+.*
+    .*:	e8 22 00 00 	ld      r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+
+.* <foo4>:
+    .*:	60 00 00 00 	nop
+    .*:	e8 22 00 00 	ld      r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+
+.* <foo6>:
+    .*:	60 00 00 00 	nop
+    .*:	e8 22 00 00 	ld      r1,0\(r2\)
+			.*: R_TOC	stuff\+.*
+	\.\.\.
diff --git a/ld/testsuite/ld-powerpc/aix-ref-1.s b/ld/testsuite/ld-powerpc/aix-ref-1.s
new file mode 100644
index 0000000..33445a6
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/aix-ref-1.s
@@ -0,0 +1,57 @@
+	.macro	loadtoc,sym
+	.if	size == 32
+	lwz	1,\sym(2)
+	.else
+	ld	1,\sym(2)
+	.endif
+	.endm
+
+	.toc
+LC01:	.tc	stuff[TC],stuff[RW]
+
+	.globl	foo1
+	.csect	foo1[pr]
+foo1:
+	.align	8
+	nop
+	loadtoc	LC01
+
+	.globl	foo2
+	.csect	foo2[pr]
+foo2:
+	nop
+	loadtoc	LC01
+	.ref	foo4 , foo6
+
+	.globl	foo3
+	.csect	foo3[pr]
+foo3:
+	nop
+	loadtoc	LC01
+
+	.globl	foo4
+	.csect	foo4[pr]
+foo4:
+	nop
+	loadtoc	LC01
+
+	.globl	foo5
+	.csect	foo5[pr]
+foo5:
+	nop
+	loadtoc	LC01
+	.ref	foo3
+
+	.globl	foo6
+	.csect	foo6[pr]
+foo6:
+	nop
+	loadtoc	LC01
+
+	.csect	foo1[pr]
+	blr
+	.ref	foo2
+
+	.csect	stuff[rw]
+stuff:
+	.long	1
diff --git a/ld/testsuite/ld-powerpc/aix52.exp b/ld/testsuite/ld-powerpc/aix52.exp
index d608490..2f00cff 100644
--- a/ld/testsuite/ld-powerpc/aix52.exp
+++ b/ld/testsuite/ld-powerpc/aix52.exp
@@ -196,6 +196,11 @@ set aix52tests {
      "" {aix-rel-1.s}
      {{objdump -hr aix-rel-1.od}} "aix-rel-1.ro"}
 
+    {".ref test 1" "-efoo1"
+     "" {aix-ref-1.s}
+     {{objdump -dr aix-ref-1-SIZE.od}}
+     "aix-ref-1"}
+
     {"Weak test 1 (rel)" "-r"
      "" {aix-weak-1a.s aix-weak-1b.s}
      {{nm {} aix-weak-1-rel.nd} {objdump -h aix-weak-1-rel.hd}}