newlib-cygwin/ChangeLog.csl

2005-05-01  Zack Weinberg  <zack@codesourcery.com>

	* gas/config/tc-arm.c (encode_thumb32_addr_mode): Set inst.reloc.pc_rel
	if is_pc.
	(T16_32_TAB): Delete unused entry for BLX.
	(do_t_ldst): Don't offset inst.reloc.exp.X_add_number for PC-relative
	addressing.
	(md_pcrel_from): Report the adjusted PC for
	BFD_RELOC_ARM_THUMB_OFFSET and BFD_RELOC_ARM_T32_OFFSET_IMM.
	(md_apply_fix3): Correct bitmasks for BFD_RELOC_ARM_T32_OFFSET_IMM.
	Do not round up value for PC-relative BFD_RELOC_ARM_THUMB_OFFSET.

	* gas/testsuite/gas/arm/thumb.s: Test PC-relative ldr more thoroughly.
	* gas/testsuite/gas/arm/thumb.d: Update to match.

	* gas/testsuite/gas/arm/thumb32.s: Properly align labels that
	will be targeted by blx instructions.
	* gas/testsuite/gas/arm/thumb32.d: Update to match.  Correct
	expected dissassembly of PC-relative ldr.

	* gas/testsuite/gas/arm/macro1.s: Add leading label and
	trailing padding for a.out compatibility.
	* gas/testsuite/gas/arm/macro1.d: Update to match.
	* gas/testsuite/gas/arm/tcompat2.s: Add trailing padding for a.out
	compatibility.
	* gas/testsuite/gas/arm/tcompat2.d: Update to match.

	* opcodes/arm-dis.c (print_insn_thumb32): Reorganize %a and %A
	handling.  Call info->print_address_func when %a/%A are applied 
	to a PC-relative instruction.

2005-04-29  Zack Weinberg  <zack@codesourcery.com>

	* gas/sb.c: Include as.h.
	(sb_to_scrub, scrub_position, scrub_from_sb): New statics.
	(sb_scrub_and_add_sb): New interface.
	* gas/sb.h: Declare sb_scrub_and_add_sb.
	* gas/input-scrub.c (input_scrub_include_sb): Use it.

	* gas/config/tc-arm.c (do_t_arit3c): Correct typo in expression.
	(do_t_mul): Allow dest to equal either source1 or source2 in
	16-bit form; do not complain about dest == source1 in any
	case.

	* gas/testsuite/gas/arm/tcompat2.s: Test both dest==source1 and
	dest==source2 for commutative arithmetic instructions.
	* gas/testsuite/gas/arm/tcompat2.d: Update to match.
	* gas/testsuite/gas/arm/t16-bad.l: Adjust expected diagnostic.
	* gas/testsuite/gas/arm/macro1.s, gas/arm/macro1.d: New test pair.
	* gas/testsuite/gas/arm/arm.exp: Run it.

2005-04-25  Zack Weinberg  <zack@codesourcery.com>

	Thumb32 assembler.

	* include/elf/arm.h: Import full set of relocation names from
	latest AAELF.  Make the primary name of all relocations be the one
	AAELF specifies.  Provide aliases under the traditional names.
	Kill FIRST_INVALID_RELOC_* and LAST_INVALID_RELOC_*.
	* bfd/reloc.c: Reorganize ARM relocations.  Remove ARM relocations
	that are never generated.  Document more of the relocations.  Add
	relocations for Thumb32.
	* bfd/libbfd.h, bfd/bfd-in2.h: Regenerate.
	* bfd/elf32-arm.c: Reorganize howto tables.  Implement Thumb32
	relocations.
	* ld/testsuite/ld-arm/mixed-app.d: Adjust expectations for
	renamed relocations.

	* gas/hash.c (hash_find_n): New interface.
	* gas/hash.h: Prototype it.

	* gas/config/tc-arm.c: Rewrite and reorganize.  Implement 32-bit
	Thumb instructions.
	* gas/testsuite/gas/arm: Convert all "gas_test" style tests to
	"run_dump_test" style tests, for more thorough testing.  Make
	adjustments to expectations where necessary.
	* gas/testsuite/gas/arm/t16-bad.s, gas/testsuite/gas/arm/tcompat.s
	* gas/testsuite/gas/arm/tcompat2.s, gas/testsuite/gas/arm/thumb32.s:
	New test cases.

	* opcodes/arm-dis.c: Add support for Thumb32 instructions and
	16-bit V6T2 instructions.


2005-04-13  Paul Brook  <paul@codesourcery.com>

	Backport from mainline.
	2005-04-11  Alan Modra  <amodra@bigpond.net.au>
	* emultempl/elf32.em (gld${EMULATION_NAME}_stat_needed): Ignore
	as_needed libs that were not needed.
	(gld${EMULATION_NAME}_check_needed): Likewise.

2005-04-08  Mark Mitchell <mark@codesourcery.com>

	* ld/configure.tgt (arm-wrs-linux-gnueabi*): Support both big- and
	little-endian.

2005-04-08  Paul Brook  <paul@codesourcery.com>

	* elf32-arm.c (ARM2THUMB_GLUE_SIZE): Rename...
	(ARM2THUMB_STATIC_GLUE_SIZE): ... to this.
	(ARM2THUMB_PIC_GLUE_SIZE): Define.
	(a2t1p_ldr_insn, a2t2p_add_pc_insn, a2t3p_bx_r12_insn): Add.
	(elf32_arm_to_thumb_stub): Create PIC stubs.
	(record_arm_to_thumb_glue): Use different stub size for relocatable
	images.

2005-03-29  Julian Brown  <julian@codesourcery.com>

	* elf32-arm.c (elf32_arm_final_link_relocate): Use blx to get to
	symbian plt entries from thumb mode.

2005-03-28  Daniel Jacobowitz  <dan@codesourcery.com>
	    Phil Blundell  <philb@gnu.org>

	* bfd/bfd-in2.h, libbfd.h: Regenerated.
	* bfd/reloc.c: Add ARM TLS relocations.
	* bfd/elf32-arm.c (elf32_arm_howto_table): Add dynamic TLS
	relocations.
	(elf32_arm_tls_gd32_howto, elf32_arm_tls_ldo32_howto)
	(elf32_arm_tls_ldm32_howto, elf32_arm_tls_le32_howto)
	(elf32_arm_tls_ie32_howto): New.
	(elf32_arm_howto_from_type): Support TLS relocations.
	(elf32_arm_reloc_map): Likewise.
	(elf32_arm_reloc_type_lookup): Likewise.
	(TCB_SIZE): Define.
	(struct elf32_arm_obj_tdata): New.
	(elf32_arm_tdata, elf32_arm_local_got_tls_type): Define.
	(elf32_arm_mkobject): New function.
	(struct elf32_arm_relocs_copied): Add pc_count.
	(elf32_arm_hash_entry, GOT_UNKNOWN, GOT_NORMAL, GOT_TLS_GD)
	(GOT_TLS_IE): Define.
	(struct elf32_arm_link_hash_table): Add tls_ldm_got.
	(elf32_arm_link_hash_newfunc): Initialize tls_type.
	(elf32_arm_copy_indirect_symbol): Copy pc_count and tls_type.
	(elf32_arm_link_hash_table_create): Initialize tls_ldm_got.
	(dtpoff_base, tpoff): New functions.
	(elf32_arm_final_link_relocate): Handle TLS relocations.
	(IS_ARM_TLS_RELOC): Define.
	(elf32_arm_relocate_section): Warn about TLS mismatches.
	(elf32_arm_gc_sweep_hook): Handle TLS relocations and pc_count.
	(elf32_arm_check_relocs): Detect invalid symbol indexes.  Handle
	TLS relocations and pc_count.
	(elf32_arm_adjust_dynamic_symbol): Check non_got_ref.
	(allocate_dynrelocs): Handle TLS.  Bind REL32 relocs to local
	calls.
	(elf32_arm_size_dynamic_sections): Handle TLS.
	(elf32_arm_finish_dynamic_symbol): Likewise.
	(bfd_elf32_mkobject): Define.

	* gas/config/tc-arm.c (arm_parse_reloc): Add TLS relocations.
	(md_apply_fix3): Mark TLS symbols.
	(tc_gen_reloc): Handle TLS relocations.
	(arm_fix_adjustable): Ignore TLS relocations.
	(s_arm_elf_cons): Support expressions after decorated symbols.

	* gas/testsuite/gas/arm/tls.s, gas/testsuite/gas/arm/tls.d: New files.
	* gas/testsuite/gas/arm/arm.exp: Run TLS test.

	* include/elf/arm.h: Add TLS relocations.

	* ld/testsuite/ld-arm/tls-lib.s, ld/testsuite/ld-arm/tls-lib.d,
	ld/testsuite/ld-arm/tls-lib.r, ld/testsuite/ld-arm/tls-app.s,
	ld/testsuite/ld-arm/tls-app.d, ld/testsuite/ld-arm/tls-app.r: New files.
	* ld/testsuite/ld-arm/arm-lib.ld, ld/testsuite/ld-arm/arm-dyn.ld:
	Increase data segment alignment.
	* ld/testsuite/ld-arm/arm-elf.exp: Run TLS tests.

2005-03-28  Daniel Jacobowitz  <dan@codesourcery.com>

	* bfd/elf32-arm.c (elf32_arm_check_relocs): Increment count for all
	relocation types.  Don't count relocations which will use a PLT.

2005-03-23  Jim Blandy  <jimb@redhat.com>

	* config/tc-arm.c (arm_adjust_symtab): Fetch elf_sym's binding
	attributes properly.

2005-03-21  Nick Clifton  <nickc@redhat.com>

	* gas/testsuite/gas/arm/iwmmxt.s: Update instructions that use the "never" value
	in the conditional field to use "le" instead.  This is so that the
	disassembler will disassemble them.
	* gas/testsuite/gas/arm/iwmmxt.d: Update expected disassemblies.

2005-03-18  Julian Brown  <julian@codesourcery.com>

	* ld/scripttempl/armbpapi.sc (.rel.dyn): Add .rel.init_array,
	.rel.fini_array.
	(.rela.dyn): Add .rela.init_array, .rela.fini_array.
	(SECTIONS): Add .rel.other, .rela.other, .reli.other after PLT relocs.

2005-03-16  Daniel Jacobowitz  <dan@codesourcery.com>

	* gas/configure.tgt: Set emulation for arm-*-eabi*.
	* gas/config/tc-arm.c (meabi_flags): Check EABI_DEFAULT.
	* gas/config/te-armeabi.h: New file.
	* gas/config/te-armlinuxeabi.h (EABI_DEFAULT): Define.
	* gas/config/te-symbian.h: Include "te-armeabi.h".

2005-03-15  Zack Weinberg  <zack@codesourcery.com>

	* gas/config/tc-arm.c (do_mla): Rename to do_mlas, take second
	is_mls parameter; do not diagnose Rm==Rd when is_mls.
	(do_mla, do_mls, five_bit_unsigned_immediate, bfci_lsb_and_width)
	(do_bfc, do_bfi, do_bfx, do_rbit, do_mov16, do_ldsttv4): New functions.
	(insns): Add ARMv6T2 instructions:
	bfc bfi mls movw movt rbit sbfx ubfx ldrht ldrsht ldrsbt strht.
	(arm_archs): Add V6T2 variants.

2005-03-12  Zack Weinberg  <zack@codesourcery.com>

	* gas/config/tc-arm.c (tinsns): Add ARMv6K instructions sev, wfe,
	wfi, yield.

	* opcodes/arm-dis.c (thumb_opcodes): Add ARMv6K instructions nop, sev,
	wfe, wfi, yield.

	* gas/testsuite/gas/arm/thumbv6k.d, gas/arm/thumbv6k.s: New dump test.
	* gas/testsuite/gas/arm/arm.exp: Run it.

2005-03-12  Zack Weinberg  <zack@codesourcery.com>

	* opcodes/arm-dis.c (arm_opcodes): Document %E and %V.
	Add entries for v6T2 ARM instructions:
	bfc bfi mls strht ldrht ldrsht ldrsbt movw movt rbit ubfx sbfx.
	(print_insn_arm): Add support for %E and %V.

	* include/opcode/arm.h: Adjust comments for ARM_EXT_V4T and ARM_EXT_V5T.
	Add ARM_EXT_V6T2, ARM_ARCH_V6T2, ARM_ARCH_V6KT2, ARM_ARCH_V6ZT2,
	and ARM_ARCH_V6ZKT2.