include/elf/

* ppc.h (DT_PPC_TLSOPT): Define.
	* ppc64.h (DT_PPC64_TLSOPT): Define.
bfd/
	* elf32-ppc.c (TLS_GET_ADDR_GLINK_SIZE): Define.
	(ADD_3_12_2, BEQLR, CMPWI_11_0, LWZ_11_3, LWZ_12_3): Define.
	(MR_0_3, MR_3_0): Define.
	(struct ppc_elf_link_hash_table): Add no_tls_get_addr_opt.
	(ppc_elf_select_plt_layout): Save emit_stub_syms param earlier.
	(ppc_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt
	(allocate_dynrelocs): Increase glink entry size for __tls_get_addr.
	(ppc_elf_size_dynamic_sections): Add DT_PPC_TLS_OPT tag.
	(write_glink_stub): Add param p.
	(ppc_elf_relocate_section): Adjust write_glink_stub call.
	(ppc_elf_finish_dynamic_symbol): Emit special glink call stub for
	__tls_get_addr.
	* elf32-ppc.h (ppc_elf_tls_setup): Update prototype.
	* elf64-ppc.c (struct ppc_link_hash_table): Add no_tls_get_addr_opt.
	(ppc64_elf_tls_setup): Add no_tls_get_addr_opt param and save to hash
	table.  Check for presense of __tls_get_addr_opt.
	(ppc64_elf_size_dynamic_sections): Add DT_PPC64_TLS_OPT tag.
	(LD_R11_0R3, LD_R12_0R3, MR_R0_R3, CMPDI_R11_0, ADD_R3_R12_R13,
	BEQLR, MR_R3_R0, MFLR_R11, STD_R11_0R1, BCTRL, LD_R11_0R1,
	LD_R2_0R1, MTLR_R11): Define.
	(build_tls_get_addr_stub): New function.
	(ppc_build_one_stub): Call it.
	(ppc_size_one_stub): Add extra size for __tls_get_addr stub.
	(ppc64_elf_relocate_section): Don't change nop to ld 2,40(1) for
	__tls_get_addr plt call.
	* elf64-ppc.h (ppc64_elf_tls_setup): Update prototype.
binutils/
	* readelf.c (get_ppc_dynamic_type): Add TLSOPT.
	(get_ppc64_dynamic_type): Likewise.
ld/
	* emultempl/ppc32elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.  Redefine other options in
	terms of previous option.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
	* emultempl/ppc64elf.em (no_tls_get_addr_opt): New var.
	(ppc_before_allocation): Pass to ppc64_elf_tls_setup.
	(OPTION_NO_TLS_GET_ADDR_OPT): Define.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add
	--no-tls-get-addr-optimize.
	(PARSE_AND_LIST_ARGS_CASES): Handle it.
ld/testsuite/
	* ld-powerpc/tlslib.s: Delete dot-symbol entry syms.  Add
	__tls_get_addr_opt.
	* ld-powerpc/tlslib32.s: Add __tls_get_addr_opt.
	* ld-powerpc/oldtlslib.s: New file, old-abi version of tlslib.s.
	* ld-powerpc/powerpc.exp: Build old-abi library and use it in
	two new link tests.
	* ld-powerpc/tlsexe.d: Update for new __tls_get_addr stub.
	* ld-powerpc/tlsexe.g, * ld-powerpc/tlsexe.r, *ld-powerpc/tlsexe32.d,
	* ld-powerpc/tlsexe32.g, * ld-powerpc/tlsexe32.r,
	* ld-powerpc/tlsexetoc.d, * ld-powerpc/tlsexetoc.g,
	* ld-powerpc/tlsexetoc.r: Likewise.

include/elf/ChangeLog

@@ -1,3 +1,8 @@
+2009-09-21  Alan Modra  <amodra@bigpond.net.au>
+
+	* ppc.h (DT_PPC_TLSOPT): Define.
+	* ppc64.h (DT_PPC64_TLSOPT): Define.
+
 2009-08-10  Daniel Gutson  <dgutson@codesourcery.com>
 
 	* arm.h: (SHT_ARM_DEBUGOVERLAY): New define.

include/elf/ppc.h

@@ -153,7 +153,10 @@ END_RELOC_NUMBERS (R_PPC_max)
   ((R) >= R_PPC_TLS && (R) <= R_PPC_GOT_DTPREL16_HA)
 
 /* Specify the value of _GLOBAL_OFFSET_TABLE_.  */
-#define DT_PPC_GOT		DT_LOPROC
+#define DT_PPC_GOT		(DT_LOPROC)
+
+/* Specify that tls descriptors should be optimized.  */
+#define DT_PPC_TLSOPT		(DT_LOPROC + 1)
 
 /* Processor specific flags for the ELF header e_flags field.  */
 

include/elf/ppc64.h

@@ -165,4 +165,7 @@ END_RELOC_NUMBERS (R_PPC64_max)
 #define DT_PPC64_OPD		(DT_LOPROC + 1)
 #define DT_PPC64_OPDSZ		(DT_LOPROC + 2)
 
+/* Specify that tls descriptors should be optimized.  */
+#define DT_PPC64_TLSOPT		(DT_LOPROC + 3)
+
 #endif /* _ELF_PPC64_H */