Hack crossref tests for powerpc64

A different set of hacks to make the crossref tests pass on powerpc64
and powerpc64le.

	* testsuite/ld-scripts/crossref.exp: Remove -mcall-aixdesc hack.
	* testsuite/ld-scripts/cross2.t: Tweak .opd and .toc placement.
	* testsuite/ld-scripts/cross3.t: Likewise.
	* testsuite/ld-scripts/cross4.t: Likewise.
	* testsuite/ld-scripts/cross5.t: Likewise.
	* testsuite/ld-scripts/cross6.t: Likewise.
	* testsuite/ld-scripts/cross7.t: Likewise.

ld/ChangeLog

@@ -1,3 +1,13 @@
+2016-05-19  Alan Modra  <amodra@gmail.com>
+
+	* testsuite/ld-scripts/crossref.exp: Remove -mcall-aixdesc hack.
+	* testsuite/ld-scripts/cross2.t: Tweak .opd and .toc placement.
+	* testsuite/ld-scripts/cross3.t: Likewise.
+	* testsuite/ld-scripts/cross4.t: Likewise.
+	* testsuite/ld-scripts/cross5.t: Likewise.
+	* testsuite/ld-scripts/cross6.t: Likewise.
+	* testsuite/ld-scripts/cross7.t: Likewise.
+
 2016-05-19  Alan Modra  <amodra@gmail.com>
 
 	* testsuite/ld-elf/shared.exp (mix_pic_and_non_pic): Pass in

ld/testsuite/ld-scripts/cross2.t

@@ -1,6 +1,6 @@
 NOCROSSREFS ( .text .data )
 SECTIONS
 {
-  .text : { *(.text) *(.text.*) *(.pr) }
+  .text : { *(.text) *(.text.*) *(.pr) *(.opd) }
   .data : { *(.data) *(.data.*) *(.sdata) *(.rw) *(.tc0) *(.tc) *(.toc) }
 }

ld/testsuite/ld-scripts/cross3.t

@@ -4,7 +4,7 @@ SECTIONS
 {
   .text : { *(.text) *(.text.*) }
   .nocrossrefs : { *(.nocrossrefs) }
-  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) }
+  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) *(.toc) }
   .bss : { *(.bss) *(COMMON) }
   /DISCARD/ : { *(*) }
 }

ld/testsuite/ld-scripts/cross4.t

@@ -2,9 +2,9 @@ NOCROSSREFS_TO(.data .nocrossrefs)
 
 SECTIONS
 {
-  .text : { *(.text) *(.text.*) }
+  .text : { *(.text) *(.text.*) *(.opd) }
   .nocrossrefs : { *(.nocrossrefs) }
-  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) }
+  .data : { *(.data) *(.data.*) *(.sdata) *(.toc) }
   .bss : { *(.bss) *(COMMON) }
   /DISCARD/ : { *(*) }
 }

ld/testsuite/ld-scripts/cross5.t

@@ -4,7 +4,7 @@ SECTIONS
 {
   .text : { *(.text) *(.text.*) }
   .nocrossrefs : { *(.nocrossrefs) }
-  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) }
+  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) *(.toc) }
   .bss : { *(.bss) *(COMMON) }
   /DISCARD/ : { *(*) }
 }

ld/testsuite/ld-scripts/cross6.t

@@ -2,8 +2,8 @@ NOCROSSREFS_TO(.text .data)
 
 SECTIONS
 {
-  .text : { *(.text) *(.text.*) }
-  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) }
+  .text : { *(.text) *(.text.*) *(.opd) }
+  .data : { *(.data) *(.data.*) *(.sdata) *(.toc) }
   .bss : { *(.bss) *(COMMON) }
   /DISCARD/ : { *(*) }
 }

ld/testsuite/ld-scripts/cross7.t

@@ -2,8 +2,8 @@ NOCROSSREFS_TO(.data .text)
 
 SECTIONS
 {
-  .text : { *(.text) *(.text.*) }
-  .data : { *(.data) *(.data.*) *(.sdata) *(.opd) }
+  .text : { *(.text) *(.text.*) *(.opd) }
+  .data : { *(.data) *(.data.*) *(.sdata) *(.toc) }
   .bss : { *(.bss) *(COMMON) }
   /DISCARD/ : { *(*) }
 }

ld/testsuite/ld-scripts/crossref.exp

@@ -52,13 +52,6 @@ if [istarget xtensa*-*-*] {
     set CFLAGS "$CFLAGS -mtext-section-literals"
 }
 
-# If we have a compiler that doesn't use/reference dot-symbols, then
-# calls to functions reference the .opd section function descriptor.
-# This makes NOCROSSREFS rather useless on powerpc64.
-if [istarget powerpc64-*-*] {
-    set CFLAGS "$CFLAGS -mcall-aixdesc"
-}
-
 # Prevent the use of the MeP's small data area which references a symbol
 # called __sdabase which will not be defined by our test linker scripts.
 if [istarget mep*-*-elf] {