bfd/

	* elf64-ppc.c (struct ppc_link_hash_table): Add plt_static_chain.
	(build_plt_stub): Add plt_static_chain param, don't load r11 if false.
	(build_tls_get_addr_stub): Likewise.
	(ppc_build_one_stub): Update calls to above.
	(ppc_size_one_stub): Adjust stub size.
	(ppc64_elf_size_stubs): Add plt_static_chain param, save to htab.
	* elf64-ppc.h (ppc64_elf_size_stubs): Update prototype.
ld/
	* emultempl/ppc64elf.em (plt_static_chain): New var.
	(gld${EMULATION_NAME}_after_allocation): Pass to ppc64_elf_size_stubs.
	(PARSE_AND_LIST_PROLOGUE, PARSE_AND_LIST_LONGOPTS,
	PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Handle
	--plt-static-chain and --no-plt-static-chain.
ld/testsuite/
	* ld-powerpc/tlsexe.d, * ld-powerpc/tlsexe.g. *ld-powerpc/tlsexe.r,
	* ld-powerpc/tlsexetoc.d, * ld-powerpc/tlsexetoc.g,
	* ld-powerpc/tlsexetoc.r, * ld-powerpc/tlsso.d,
	* ld-powerpc/tlstocso.d: Update for plt stub change.

11 files changed, 57 insertions, 25 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index a14588d..69510b1 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,13 @@
 2011-07-14  Alan Modra  <amodra@gmail.com>
 
+	* emultempl/ppc64elf.em (plt_static_chain): New var.
+	(gld${EMULATION_NAME}_after_allocation): Pass to ppc64_elf_size_stubs.
+	(PARSE_AND_LIST_PROLOGUE, PARSE_AND_LIST_LONGOPTS,
+	PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Handle
+	--plt-static-chain and --no-plt-static-chain.
+
+2011-07-14  Alan Modra  <amodra@gmail.com>
+
 	* emultempl/elf32.em (gld${EMULATION_NAME}_add_options,
 	gld${EMULATION_NAME}_handle_option, gld${EMULATION_NAME}_list_options):
 	Provide --build-id, -z defs, -z muldefs, -z max-page-size,
diff --git a/ld/emultempl/ppc64elf.em b/ld/emultempl/ppc64elf.em
index 0c99592..a57861b 100644
--- a/ld/emultempl/ppc64elf.em
+++ b/ld/emultempl/ppc64elf.em
@@ -61,6 +61,9 @@ static int no_multi_toc = 0;
 /* Whether to sort input toc and got sections.  */
 static int no_toc_sort = 0;
 
+/* Set if PLT call stubs should load r11.  */
+static int plt_static_chain = 0;
+
 /* Whether to emit symbols for stubs.  */
 static int emit_stub_syms = -1;
 
@@ -500,7 +503,7 @@ gld${EMULATION_NAME}_after_allocation (void)
 	    einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
 
 	  /* Call into the BFD backend to do the real work.  */
-	  if (!ppc64_elf_size_stubs (&link_info, group_size))
+	  if (!ppc64_elf_size_stubs (&link_info, group_size, plt_static_chain))
 	    einfo ("%X%P: can not size stub section: %E\n");
 	}
     }
@@ -651,7 +654,9 @@ fi
 #
 PARSE_AND_LIST_PROLOGUE='
 #define OPTION_STUBGROUP_SIZE		301
-#define OPTION_STUBSYMS			(OPTION_STUBGROUP_SIZE + 1)
+#define OPTION_PLT_STATIC_CHAIN		(OPTION_STUBGROUP_SIZE + 1)
+#define OPTION_NO_PLT_STATIC_CHAIN	(OPTION_PLT_STATIC_CHAIN + 1)
+#define OPTION_STUBSYMS			(OPTION_NO_PLT_STATIC_CHAIN + 1)
 #define OPTION_NO_STUBSYMS		(OPTION_STUBSYMS + 1)
 #define OPTION_DOTSYMS			(OPTION_NO_STUBSYMS + 1)
 #define OPTION_NO_DOTSYMS		(OPTION_DOTSYMS + 1)
@@ -666,6 +671,8 @@ PARSE_AND_LIST_PROLOGUE='
 
 PARSE_AND_LIST_LONGOPTS='
   { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
+  { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
+  { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
   { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
   { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
   { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
@@ -691,6 +698,12 @@ PARSE_AND_LIST_OPTIONS='
                                 choose suitable defaults.\n"
 		   ));
   fprintf (file, _("\
+  --plt-static-chain          PLT call stubs should load r11.\n"
+		   ));
+  fprintf (file, _("\
+  --no-plt-static-chain       PLT call stubs should not load r11. (default)\n"
+		   ));
+  fprintf (file, _("\
   --emit-stub-syms            Label linker stubs with a symbol.\n"
 		   ));
   fprintf (file, _("\
@@ -739,6 +752,14 @@ PARSE_AND_LIST_ARGS_CASES='
       }
       break;
 
+    case OPTION_PLT_STATIC_CHAIN:
+      plt_static_chain = 1;
+      break;
+
+    case OPTION_NO_PLT_STATIC_CHAIN:
+      plt_static_chain = 0;
+      break;
+
     case OPTION_STUBSYMS:
       emit_stub_syms = 1;
       break;
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 64c2d10..60b57ed 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2011-07-14  Alan Modra  <amodra@gmail.com>
+
+	* ld-powerpc/tlsexe.d, * ld-powerpc/tlsexe.g. *ld-powerpc/tlsexe.r,
+	* ld-powerpc/tlsexetoc.d, * ld-powerpc/tlsexetoc.g,
+	* ld-powerpc/tlsexetoc.r, * ld-powerpc/tlsso.d,
+	* ld-powerpc/tlstocso.d: Update for plt stub change.
+
 2011-07-11 Catherine Moore  <clm@cm00re.com>
 
 	* ld-scripts/section-flags-1.s: New.
diff --git a/ld/testsuite/ld-powerpc/tlsexe.d b/ld/testsuite/ld-powerpc/tlsexe.d
index 54db23d..aa1595e 100644
--- a/ld/testsuite/ld-powerpc/tlsexe.d
+++ b/ld/testsuite/ld-powerpc/tlsexe.d
@@ -21,7 +21,6 @@ Disassembly of section \.text:
 .*	f8 41 00 28 	std     r2,40\(r1\)
 .*	e9 62 80 48 	ld      r11,-32696\(r2\)
 .*	7d 69 03 a6 	mtctr   r11
-.*	e9 62 80 58 	ld      r11,-32680\(r2\)
 .*	e8 42 80 50 	ld      r2,-32688\(r2\)
 .*	4e 80 04 21 	bctrl
 .*	e9 61 00 20 	ld      r11,32\(r1\)
@@ -34,7 +33,7 @@ Disassembly of section \.text:
 .*	60 00 00 00 	nop
 .*	7c 63 6a 14 	add     r3,r3,r13
 .*	38 62 80 18 	addi    r3,r2,-32744
-.*	4b ff ff a5 	bl      .*
+.*	4b ff ff a9 	bl      .*
 .*	60 00 00 00 	nop
 .*	3c 6d 00 00 	addis   r3,r13,0
 .*	60 00 00 00 	nop
@@ -68,7 +67,6 @@ Disassembly of section \.text:
 .*	e9 4d 90 2a 	lwa     r10,-28632\(r13\)
 .*	3d 2d 00 00 	addis   r9,r13,0
 .*	a9 49 90 30 	lha     r10,-28624\(r9\)
-.*	60 00 00 00 	nop
 .*	00 00 00 00 .*
 .*	00 01 02 00 .*
 .* <__glink_PLTresolve>:
diff --git a/ld/testsuite/ld-powerpc/tlsexe.g b/ld/testsuite/ld-powerpc/tlsexe.g
index c68175f..558f39f 100644
--- a/ld/testsuite/ld-powerpc/tlsexe.g
+++ b/ld/testsuite/ld-powerpc/tlsexe.g
@@ -7,6 +7,6 @@
 .*: +file format elf64-powerpc
 
 Contents of section \.got:
-.* 00000000 10018618 ffffffff ffff8018  .*
+.* 00000000 10018610 ffffffff ffff8018  .*
 .* 00000000 00000000 00000000 00000000  .*
 .* 00000000 00000000 00000000 00000000  .*
diff --git a/ld/testsuite/ld-powerpc/tlsexe.r b/ld/testsuite/ld-powerpc/tlsexe.r
index 68b36bb..264e891 100644
--- a/ld/testsuite/ld-powerpc/tlsexe.r
+++ b/ld/testsuite/ld-powerpc/tlsexe.r
@@ -16,7 +16,7 @@ Section Headers:
  +\[[ 0-9]+\] \.dynstr +.*
  +\[[ 0-9]+\] \.rela\.dyn +.*
  +\[[ 0-9]+\] \.rela\.plt +.*
- +\[[ 0-9]+\] \.text +PROGBITS .* 0+130 0+ +AX +0 +0 +8
+ +\[[ 0-9]+\] \.text +PROGBITS .* 0+128 0+ +AX +0 +0 +8
  +\[[ 0-9]+\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
  +\[[ 0-9]+\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
  +\[[ 0-9]+\] \.dynamic +DYNAMIC .* 0+160 10 +WA +4 +0 +8
diff --git a/ld/testsuite/ld-powerpc/tlsexetoc.d b/ld/testsuite/ld-powerpc/tlsexetoc.d
index 8354e2d..2b8ce24 100644
--- a/ld/testsuite/ld-powerpc/tlsexetoc.d
+++ b/ld/testsuite/ld-powerpc/tlsexetoc.d
@@ -21,7 +21,6 @@ Disassembly of section \.text:
 .*	f8 41 00 28 	std     r2,40\(r1\)
 .*	e9 62 80 70 	ld      r11,-32656\(r2\)
 .*	7d 69 03 a6 	mtctr   r11
-.*	e9 62 80 80 	ld      r11,-32640\(r2\)
 .*	e8 42 80 78 	ld      r2,-32648\(r2\)
 .*	4e 80 04 21 	bctrl
 .*	e9 61 00 20 	ld      r11,32\(r1\)
@@ -31,10 +30,10 @@ Disassembly of section \.text:
 
 .* <_start>:
 .*	38 62 80 08 	addi    r3,r2,-32760
-.*	4b ff ff b1 	bl      .*
+.*	4b ff ff b5 	bl      .*
 .*	60 00 00 00 	nop
 .*	38 62 80 18 	addi    r3,r2,-32744
-.*	4b ff ff a5 	bl      .*
+.*	4b ff ff a9 	bl      .*
 .*	60 00 00 00 	nop
 .*	3c 6d 00 00 	addis   r3,r13,0
 .*	60 00 00 00 	nop
@@ -52,7 +51,6 @@ Disassembly of section \.text:
 .*	89 4d 90 60 	lbz     r10,-28576\(r13\)
 .*	3d 2d 00 00 	addis   r9,r13,0
 .*	99 49 90 68 	stb     r10,-28568\(r9\)
-.*	60 00 00 00 	nop
 .*	00 00 00 00 .*
 .*	00 01 02 28 .*
 .* <__glink_PLTresolve>:
diff --git a/ld/testsuite/ld-powerpc/tlsexetoc.g b/ld/testsuite/ld-powerpc/tlsexetoc.g
index 387e9cd..5056886 100644
--- a/ld/testsuite/ld-powerpc/tlsexetoc.g
+++ b/ld/testsuite/ld-powerpc/tlsexetoc.g
@@ -7,7 +7,7 @@
 .*: +file format elf64-powerpc
 
 Contents of section \.got:
-.* 00000000 100185b0 00000000 00000000  .*
+.* 00000000 100185a8 00000000 00000000  .*
 .* 00000000 00000000 00000000 00000000  .*
 .* 00000000 00000000 00000000 00000001  .*
 .* 00000000 00000000 00000000 00000001  .*
diff --git a/ld/testsuite/ld-powerpc/tlsexetoc.r b/ld/testsuite/ld-powerpc/tlsexetoc.r
index 8ba8503..ab65fe3 100644
--- a/ld/testsuite/ld-powerpc/tlsexetoc.r
+++ b/ld/testsuite/ld-powerpc/tlsexetoc.r
@@ -16,7 +16,7 @@ Section Headers:
  +\[[ 0-9]+\] \.dynstr +.*
  +\[[ 0-9]+\] \.rela\.dyn +.*
  +\[[ 0-9]+\] \.rela\.plt +.*
- +\[[ 0-9]+\] \.text +PROGBITS .* 0+f0 0+ +AX +0 +0 +8
+ +\[[ 0-9]+\] \.text +PROGBITS .* 0+e8 0+ +AX +0 +0 +8
  +\[[ 0-9]+\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
  +\[[ 0-9]+\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
  +\[[ 0-9]+\] \.dynamic +DYNAMIC .* 0+160 10 +WA +4 +0 +8
diff --git a/ld/testsuite/ld-powerpc/tlsso.d b/ld/testsuite/ld-powerpc/tlsso.d
index 4a3b045..a5d28e5 100644
--- a/ld/testsuite/ld-powerpc/tlsso.d
+++ b/ld/testsuite/ld-powerpc/tlsso.d
@@ -12,22 +12,21 @@ Disassembly of section \.text:
 .*	f8 41 00 28 	std     r2,40\(r1\)
 .*	e9 62 80 78 	ld      r11,-32648\(r2\)
 .*	7d 69 03 a6 	mtctr   r11
-.*	e9 62 80 88 	ld      r11,-32632\(r2\)
 .*	e8 42 80 80 	ld      r2,-32640\(r2\)
 .*	4e 80 04 20 	bctr
 
 .* <_start>:
 .*	38 62 80 20 	addi    r3,r2,-32736
-.*	4b ff ff e5 	bl      .*
+.*	4b ff ff e9 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 50 	addi    r3,r2,-32688
-.*	4b ff ff d9 	bl      .*
+.*	4b ff ff dd 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 38 	addi    r3,r2,-32712
-.*	4b ff ff cd 	bl      .*
+.*	4b ff ff d1 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 50 	addi    r3,r2,-32688
-.*	4b ff ff c1 	bl      .*
+.*	4b ff ff c5 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	39 23 80 40 	addi    r9,r3,-32704
 .*	3d 23 00 00 	addis   r9,r3,0
@@ -40,10 +39,10 @@ Disassembly of section \.text:
 .*	3d 2d 00 00 	addis   r9,r13,0
 .*	99 49 00 00 	stb     r10,0\(r9\)
 .*	38 62 80 08 	addi    r3,r2,-32760
-.*	4b ff ff 8d 	bl      .*
+.*	4b ff ff 91 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 50 	addi    r3,r2,-32688
-.*	4b ff ff 81 	bl      .*
+.*	4b ff ff 85 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	f9 43 80 08 	std     r10,-32760\(r3\)
 .*	3d 23 00 00 	addis   r9,r3,0
@@ -55,6 +54,7 @@ Disassembly of section \.text:
 .*	e9 4d 00 02 	lwa     r10,0\(r13\)
 .*	3d 2d 00 00 	addis   r9,r13,0
 .*	a9 49 00 00 	lha     r10,0\(r9\)
+.*	60 00 00 00 	nop
 .*	00 00 00 00 .*
 .*	00 01 02 20 .*
 .* <__glink_PLTresolve>:
diff --git a/ld/testsuite/ld-powerpc/tlstocso.d b/ld/testsuite/ld-powerpc/tlstocso.d
index 0b84311..cf9cd08 100644
--- a/ld/testsuite/ld-powerpc/tlstocso.d
+++ b/ld/testsuite/ld-powerpc/tlstocso.d
@@ -12,22 +12,21 @@ Disassembly of section \.text:
 .*	f8 41 00 28 	std     r2,40\(r1\)
 .*	e9 62 80 70 	ld      r11,-32656\(r2\)
 .*	7d 69 03 a6 	mtctr   r11
-.*	e9 62 80 80 	ld      r11,-32640\(r2\)
 .*	e8 42 80 78 	ld      r2,-32648\(r2\)
 .*	4e 80 04 20 	bctr
 
 .* <_start>:
 .*	38 62 80 08 	addi    r3,r2,-32760
-.*	4b ff ff e5 	bl      .*
+.*	4b ff ff e9 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 18 	addi    r3,r2,-32744
-.*	4b ff ff d9 	bl      .*
+.*	4b ff ff dd 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 28 	addi    r3,r2,-32728
-.*	4b ff ff cd 	bl      .*
+.*	4b ff ff d1 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	38 62 80 38 	addi    r3,r2,-32712
-.*	4b ff ff c1 	bl      .*
+.*	4b ff ff c5 	bl      .*
 .*	e8 41 00 28 	ld      r2,40\(r1\)
 .*	39 23 80 40 	addi    r9,r3,-32704
 .*	3d 23 00 00 	addis   r9,r3,0
@@ -39,6 +38,7 @@ Disassembly of section \.text:
 .*	89 4d 00 00 	lbz     r10,0\(r13\)
 .*	3d 2d 00 00 	addis   r9,r13,0
 .*	99 49 00 00 	stb     r10,0\(r9\)
+.*	60 00 00 00 	nop
 .*	00 00 00 00 .*
 .*	00 01 02 18 .*
 .* <__glink_PLTresolve>: