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Author SHA1 Message Date
Alan Modra c2aaac080c Discard zero address range eh_frame FDEs 
These are useless because they can't match any address.  In fact,
worse than useless because the .eh_frame_hdr lookup table matching
addresses to FDEs does not contain information about the FDE range.
The table is sorted by address;  Range is inferred by the address
delta from one entry to the next.  So if a zero address range FDE is
followed by a normal non-zero range FDE for the same address,
everything is good.  However, the qsort could just as easily sort the
FDEs in the other order, in which case the normal FDE would
effectively be seen to have a zero range.

bfd/
	PR 17447
	* elf-bfd.h (struct eh_cie_fde): Comment re NULL u.fde.cie_inf.
	* elf-eh-frame.c (_bfd_elf_parse_eh_frame): Mark zero address
	range FDEs for discarding.
	(vma_compare): Sort on range after address.
	(_bfd_elf_gc_mark_fdes): Test for NULL u.fde.cie_inf.
	(_bfd_elf_discard_section_eh_frame): Likewise.  Write "FDE" in
	error message rather than "fde".
	(_bfd_elf_write_section_eh_frame_hdr): Write "PC" and "FDE" in
	error message.
ld/testsuite/
	* ld-elf/eh1.s: Don't create FDEs with zero address ranges.
	* ld-elf/eh3.s: Likewise.
	* ld-elf/eh1.d, * ld-elf/eh2.d, * ld-elf/eh3.d: Adjust.
	* ld-mips-elf/eh-frame1-n32.d: Warning match update.
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
 2014-10-04 22:49:32 +09:30
Nick Clifton bf5117e32d * dwarf.c (dwarf_vmatoa): Rename to dwarf_vmatoa_1 and add a 
precision parameter.
	(dwarf_vmatoa): New wrapper for dwarf_vmatoa_1.
	(print_dwarf_vma): Use dwarf_vmatoa_1.
	(SAFE_BYTE_GET): Add check that VAL is big enough to contain
	AMOUNT bytes.
	(process_debug_info): Use an unsigned int for the offset size.
	(process_debug_pubnames): Likewise.
	(display_debug_aranges): Likewise.
	(struct Frame_Chunk): Use dwarf_vma type for pc_begin and pc_range
	fields.
	(frame_display_row): Use print_dwarf_vma to display dwarf_vma
	values.
	(display_debug_frames): Likewise.

	* binutils-all/x86-64/compressed-1a.d: Update expected output to
	allow for 64-bit addresses.

	* ld-elf/eh1.d: Update expected output to allow for
	64-bit addresses.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.
	* ld-elf/eh5.d: Likewise.
	* ld-elf/eh6.d: Likewise.
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
	* ld-mips-elf/eh-frame3.d: Likewise.

	* gas/cfi/cfi-alpha-1.d: Update expected output to allow for
	64-bit addresses.
	* gas/cfi/cfi-alpha-3.d: Likewise.
	* gas/cfi/cfi-arm-1.d: Likewise.
	* gas/cfi/cfi-common-1.d: Likewise.
	* gas/cfi/cfi-common-2.d: Likewise.
	* gas/cfi/cfi-common-3.d: Likewise.
	* gas/cfi/cfi-common-4.d: Likewise.
	* gas/cfi/cfi-common-5.d: Likewise.
	* gas/cfi/cfi-common-6.d: Likewise.
	* gas/cfi/cfi-common-7.d: Likewise.
	* gas/cfi/cfi-hppa-1.d: Likewise.
	* gas/cfi/cfi-i386-2.d: Likewise.
	* gas/cfi/cfi-i386.d: Likewise.
	* gas/cfi/cfi-m68k.d: Likewise.
	* gas/cfi/cfi-mips-1.d: Likewise.
	* gas/cfi/cfi-ppc-1.d: Likewise.
	* gas/cfi/cfi-s390-1.d: Likewise.
	* gas/cfi/cfi-s390x-1.d: Likewise.
	* gas/cfi/cfi-sh-1.d: Likewise.
	* gas/cfi/cfi-sparc-1.d: Likewise.
	* gas/cfi/cfi-sparc64-1.d: Likewise.
	* gas/cfi/cfi-x86_64.d: Likewise.
 2013-09-12 09:14:47 +00:00
Maciej W. Rozycki 99262e37ef gas/testsuite/ 
* gas/mips/mips.exp: Set has_newabi for all Linux targets.
	* gas/mips/cfi-n64-1.d: Adjust for targets that do not infer the
	ISA from the ABI.
	* gas/mips/elf-rel-got-n32.d: Likewise.
	* gas/mips/elf-rel-got-n64.d: Likewise.
	* gas/mips/elf-rel-xgot-n32.d: Likewise.
	* gas/mips/elf-rel-xgot-n64.d: Likewise.
	* gas/mips/elf-rel18.d: Likewise.
	* gas/mips/elf-rel28-n32.d: Likewise.
	* gas/mips/elf-rel28-n64.d: Likewise.
	* gas/mips/jal-newabi.d: Likewise.
	* gas/mips/ldstla-n64-shared.d: Likewise.
	* gas/mips/ldstla-n64-sym32.d: Likewise.
	* gas/mips/ldstla-n64.d: Likewise.
	* gas/mips/macro-warn-1-n32.d: Likewise.
	* gas/mips/macro-warn-2-n32.d: Likewise.
	* gas/mips/n32-consec.d: Likewise.

	ld/testsuite/
	* ld-mips-elf/mips-elf.exp: Set has_newabi for all Linux targets.
	Adjust abi_asflags for targets that do not infer the ISA from the
	ABI.
	* ld-mips-elf/eh-frame1-n32.d: Adjust for targets that do not
	infer the ISA from the ABI.
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
	* ld-mips-elf/elf-rel-got-n32-embed.d: Likewise.
	* ld-mips-elf/elf-rel-got-n32.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64-embed.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64-linux.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n32-embed.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n32.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64-embed.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64-linux.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64.d: Likewise.
	* ld-mips-elf/emit-relocs-1.d: Likewise.
	* ld-mips-elf/got-page-2.d: Likewise.
	* ld-mips-elf/no-shared-1-n32.d: Likewise.
	* ld-mips-elf/no-shared-1-n64.d: Likewise.
	* ld-mips-elf/rel32-n32.d: Likewise.
	* ld-mips-elf/rel64.d: Likewise.
	* ld-mips-elf/relax-jalr-n32-shared.d: Likewise.
	* ld-mips-elf/relax-jalr-n32.d: Likewise.
	* ld-mips-elf/relax-jalr-n64-shared.d: Likewise.
	* ld-mips-elf/relax-jalr-n64.d: Likewise.
	* ld-mips-elf/reloc-1-n32.d: Likewise.
	* ld-mips-elf/reloc-1-n64.d: Likewise.
	* ld-mips-elf/textrel-1.d: Likewise.
 2012-08-06 21:28:45 +00:00
Richard Sandiford 30af59626b bfd/ 
* elf-eh-frame.c (make_pc_relative): New function.
	(_bfd_elf_write_section_eh_frame): Use it.

ld/testsuite/
	* ld-mips-elf/eh-frame1-n32.d: Expect PC-relative encodings
	to include DW_EH_PE_sdata4.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame1-n64.d: Expect PC-relative encodings
	to include DW_EH_PE_sdata8.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
 2009-09-21 18:55:08 +00:00
Richard Sandiford 3c0bfb2a23 gas/testsuite/ 
* gas/mips/mips16-dwarf2-n32.d: Expect odd addresses.

ld/testsuite/
	* ld-mips-elf/eh-frame1-n32.d: Change "the section \.eh_frame"
	to "the \.eh_frame section".
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
	* ld-mips-elf/eh-frame3.d: Likewise.
	* ld-mips-elf/eh-frame4.d: Likewise.
	* ld-mips-elf/elf-rel-got-n32.d: Expect bals.
	* ld-mips-elf/elf-rel-xgot-n32.d: Likewise.
	* ld-mips-elf/mips-elf.exp: Force the MIPS16 PIC tests to use -mips1.
 2009-09-13 18:56:03 +00:00
Nick Clifton 80c35038cb * dwarf.c (display_debug_frames): Change text for uniformity. 
(process_debug_info): Likewise.
            (display_debug_aranges): Likewise.  Indent address output.
            (display_debug_pubnames): Print offset in hex.

            * binutils-all/objdump.W: Update.

            * gas/cfi/cfi-alpha-1.d, gas/cfi/cfi-alpha-3.d,
            gas/cfi/cfi-arm-1.d, gas/cfi/cfi-common-1.d,
            gas/cfi/cfi-common-2.d, gas/cfi/cfi-common-3.d,
            gas/cfi/cfi-common-4.d, gas/cfi/cfi-common-5.d,
            gas/cfi/cfi-common-6.d, gas/cfi/cfi-hppa-1.d,
            gas/cfi/cfi-i386-2.d, gas/cfi/cfi-i386.d, gas/cfi/cfi-m68k.d,
            gas/cfi/cfi-mips-1.d, gas/cfi/cfi-ppc-1.d, gas/cfi/cfi-s390-1.d,
            gas/cfi/cfi-s390x-1.d, gas/cfi/cfi-sh-1.d, gas/cfi/cfi-sparc-1.d,
            gas/cfi/cfi-sparc64-1.d, gas/cfi/cfi-x86_64.d: Update for readelf
            change.

            * ld-elf/eh1.d, ld-elf/eh2.d, ld-elf/eh3.d, ld-elf/eh4.d,
            ld-elf/eh5.d, ld-elf/eh6.d, ld-mips-elf/eh-frame1-n32.d,
            ld-mips-elf/eh-frame1-n64.d, ld-mips-elf/eh-frame2-n32.d,
            ld-mips-elf/eh-frame2-n64.d, ld-mips-elf/eh-frame3.d,
            ld-mips-elf/eh-frame4.d: Update for readelf change.
 2008-10-06 16:27:35 +00:00
Richard Sandiford 198e22a0fc ld/testsuite/ 
* ld-mips-elf/eh-frame1-n32.d: Expect a warning about .eh_frame_hdr.
	Remove duplicate CIEs.  Adjust relocation addresses and .eh_frame
	offsets accordingly.  Do not allow there to be any trailing
	R_MIPS_NONE relocations.
	* ld-mips-elf/eh-frame1-n64.d: Likewise.
	* ld-mips-elf/eh-frame2-n32.d: Likewise.
	* ld-mips-elf/eh-frame2-n64.d: Likewise.
 2008-03-17 18:52:04 +00:00
Alan Modra 74541ad4c0 bfd/ 
* elf-bfd.h (struct elf_link_hash_table): Reorder.  Add
	text_index_section and data_index_section.
	(struct elf_backend_data): Add elf_backend_init_index_section.
	(_bfd_elf_init_1_index_section): Declare.
	(_bfd_elf_init_2_index_sections): Declare.
	* elfxx-target.h (elf_backend_init_index_section): Define.
	(elfNN_bed): Init new field.
	* elflink.c (_bfd_elf_link_omit_section_dynsym): Keep first tls
	section and text_index_section plus data_index_section.
	(_bfd_elf_link_renumber_dynsyms): Clear dynindx on omitted sections.
	(_bfd_elf_init_1_index_section): New function.
	(_bfd_elf_init_2_index_sections): New function.
	(bfd_elf_size_dynsym_hash_dynstr): Call elf_backend_init_index_section.
	(elf_link_input_bfd): When emitting relocs, use text_index_section
	and data_index_section for removed sections.
	* elf-m10300.c (elf_backend_omit_section_dynsym): Define.
	* elf32-i386.c: Likewise.
	* elf32-m32r.c: Likewise.
	* elf32-sh.c: Likewise.
	* elf32-xstormy16.c: Likewise.
	* elf32-xtensa.c: Likewise.
	* elf64-alpha.c: Likewise.
	* elf64-hppa.c: Likewise.
	* elf64-mmix.c: Likewise.
	* elf64-sh64.c: Likewise.
	* elfxx-ia64.c: Likewise.
	* elf32-arm.c (elf32_arm_final_link_relocate): Use text_index_section
	and data_index_section sym for relocs against sections with no dynamic
	section sym.
	(elf_backend_init_index_section): Define.
	* elf32-cris.c: Similarly.
	* elf32-hppa.c: Similarly.
	* elf32-i370.c: Similarly.
	* elf32-m68k.c: Similarly.
	* elf32-mips.c: Similarly.
	* elf32-ppc.c: Similarly.
	* elf32-s390.c: Similarly.
	* elf32-sparc.c: Similarly.
	* elf32-vax.c: Similarly.
	* elf64-mips.c: Similarly.
	* elf64-ppc.c: Similarly.
	* elf64-s390.c: Similarly.
	* elf64-sparc.c: Similarly.
	* elf64-x86-64.c: Similarly.
	* elfn32-mips.c: Similarly.
	* elfxx-mips.c: Similarly.
	* elfxx-sparc.c: Similarly.
	* linker.c (fix_syms): Base symbols in removed sections on
	previous section in preference to using absolute section.

ld/
	* ldlang.c (strip_excluded_output_sections): Do strip sections
	that define syms, but don't ignore them.
	* ld.texinfo (Output Section Discarding): Revise.
	* emultempl/armcoff.em (gld${EMULATION_NAME}_finish): Always call
	finish_default.

ld/testsuite/
	Update for section sym changes.
 2006-10-17 13:41:49 +00:00
Richard Sandiford dcf507a6ee * elf-eh-frame.c (skip_cfa_op, skip_non_nops): New functions. 
(_bfd_elf_discard_section_eh_frame): Use them to interpret the CFA
	instructions.  If the amount of padding is known, reduce the size
	of the CIE or FDE by that amount.
 2005-01-17 17:44:41 +00:00