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13 Commits

Author SHA1 Message Date
Alan Modra
9866ffe25a Remove .eh_frame zero terminators 
The machinery to do this was there, but not enabled if the terminator
was the only thing in the section.

bfd/
	* elf-eh-frame.c (_bfd_elf_parse_eh_frame): Don't exit early
	for a section containing just a terminator.  Allow multiple
	terminators at end of section.
	* elflink.c (bfd_elf_discard_info): Iterate over .eh_frame
	sections when not adding alignment.  Assert on terminator in
	the middle of FDEs.
ld/
	* testsuite/ld-elf/eh3.d: Update.
	* testsuite/ld-elf/eh4.d: Update.
 2017-08-31 19:40:35 +09:30
Alan Modra
2e0ce1c84d Align eh_frame FDEs according to their encoding 
bfd/
	* elf-bfd.h (struct eh_cie_fde): Add u.cie.per_encoding_aligned8.
	* elf-eh-frame.c (size_of_output_cie_fde): Don't align here.
	(next_cie_fde_offset): New function.
	(_bfd_elf_parse_eh_frame): Set u.cie.per_encoding_aligned8.
	(_bfd_elf_discard_section_eh_frame): Align zero terminator to
	four bytes.  Align CIEs to four or eight bytes depending on
	per_encoding_aligned8.  Align FDEs according to their encoding.
	Pad last FDE to output section alignment.
	(_bfd_elf_write_section_eh_frame): Adjust to suit.  Remove
	assertion.
	* elf64-ppc.c (glink_eh_frame_cie): Delete padding.
	(ppc64_elf_size_stubs): Pad glink eh_frame as per elf-eh-frame.c.
	(ppc64_elf_finish_dynamic_sections): Adjust to suit.
ld/
	* testsuite/ld-elf/eh3.d: Adjust for eh_frame alignment change.
	* testsuite/ld-elf/eh6.d: Likewise.
	* testsuite/ld-alpha/tlsbin.dd: Likewise.
	* testsuite/ld-alpha/tlsbin.td: Likewise.
	* testsuite/ld-alpha/tlsbinr.dd: Likewise.
	* testsuite/ld-alpha/tlspic.dd: Likewise.
	* testsuite/ld-alpha/tlspic.rd: Likewise.
	* testsuite/ld-alpha/tlspic.sd: Likewise.
	* testsuite/ld-alpha/tlspic.td: Likewise.
	* testsuite/ld-mips-elf/eh-frame1-n64.d: Likewise.
	* testsuite/ld-mips-elf/eh-frame2-n64.d: Likewise.
	* testsuite/ld-mips-elf/eh-frame3.d: Likewise.
	* testsuite/ld-x86-64/pr20830a.d: Likewise.
	* testsuite/ld-x86-64/pr21038a.d: Likewise.
	* testsuite/ld-x86-64/pr21038b.d: Likewise.
	* testsuite/ld-x86-64/pr21038c.d: Likewise.
 2017-03-05 14:49:54 +10:30
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
H.J. Lu
5d196efc83 Don't skip ld-elf/eh[1-4].d for x32 
* ld-elf/eh1.d: Don't skip x86_64-*-linux-gnux32.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.
 2012-05-22 21:52:07 +00:00
H.J. Lu
3c99554527 Support x86_64-*-linux-gnux32 
gas/

	* configure.tgt: Support x86_64-*-linux-gnux32.

ld/

	* configure.tgt: Support x86_64-*-linux-gnux32.

ld/testsuite/

	* ld-elf/eh1.d: Skip x86_64-*-linux-gnux32.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.

	* ld-elfvsb/elfvsb.exp: Xfail x86_64-*-linux-gnux32.
	* ld-shared/shared.exp: Likewise.

	* ld-ifunc/ifunc-3a-x86.d: Support x86_64-*-linux-gnux32.
 2012-05-04 20:01:03 +00:00
Roland McGrath
7cf492ee5a ld/testsuite/ 
* ld-elf/eh1.d: Add explicit --64 to as options, and explicit
	-melf_x86_64 and -Ttext to ld options, so we don't assume every
	x86_64-*-* target uses --64 (vs --x32) by default or has the
	same address space layout.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.
	* ld-elf/elf.exp: For target *-*-nacl*, use options_regsub(ld) to
	map -melf_x86_64 to -melf_x86_64_nacl.
 2012-04-09 16:28:34 +00:00
H.J. Lu
ade78dba78 Revert x86_64-x32-* change. 
gas/

2011-06-20  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Revert x32 change.

ld/

2011-06-20  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Revert x32 change.

ld/testsuite/

2011-06-20  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/eh1.d: Revert x32 change.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.
 2011-06-20 13:23:22 +00:00
H.J. Lu
8b7789423c Fix misc x32 bugs. 
bfd/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_backend_post_process_headers): Defined
	for x32.

binutils/testsuite/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* binutils-all/elfedit-1.d: Updated for x32.

gas/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Support x32.

ld/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.tgt: Support x32.

ld/testsuite/

2011-06-19  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/eh1.d: Skip x32.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.

	* ld-elfvsb/elfvsb.exp: Only xfail 64bit x86_64-*-linux*.
	* ld-shared/shared.exp: Likewise.

	* ld-ifunc/ifunc-1-local-x86.d: Support x32.
	* ld-ifunc/ifunc-1-x86.d: Likewise.
	* ld-ifunc/ifunc-3a-x86.d: Likewise.
	* ld-x86-64/pcrel16.d: Likewise.

	* ld-x86-64/x86-64.exp (x86_64tests): Add missing -melf_x86_64.
 2011-06-19 21:22:16 +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
H.J. Lu
2dc4cec1f3 binutils/ 
2008-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf.c: Include "elf/common.h".
	(eh_addr_size): Changed to int.
	(dwarf_regnames_i386): New.
	(dwarf_regnames_x86_64): Likewise.
	(dwarf_regnames): Likewise.
	(dwarf_regnames_count): Likewise.
	(init_dwarf_regnames): Likewise.
	(regname): Likewise.
	(frame_display_row): Properly support different address size.
	Call regname to get register name.
	(display_debug_frames): Call regname to get register name.
	Display DW_CFA_def_cfa_register as DW_CFA_def_cfa_register
	instead of DW_CFA_def_cfa_reg.

	* dwarf.h (init_dwarf_regnames): New.

	* objdump.c: Include "elf-bfd.h".
	(dump_dwarf): Call init_dwarf_regnames on ELF input.

	* readelf.c (guess_is_rela): Change argument to int.
	(parse_args): Remove the undocumented upper case options for
	-wX.
	(process_file_header): Call init_dwarf_regnames if
	do_dwarf_register is true.

gas/testsuite/

2008-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/cfi/cfi-alpha-1.d: Replace DW_CFA_def_cfa_reg with
	DW_CFA_def_cfa_register.
	* gas/cfi/cfi-alpha-3.d: Likewise.
	* gas/cfi/cfi-hppa-1.d: Likewise.
	* gas/cfi/cfi-i386.d: Likewise.
	* gas/cfi/cfi-m68k.d: Likewise.
	* gas/cfi/cfi-mips-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.

	* gas/cfi/cfi-common-1.d: Updated for i386/x86-64 register
	names.
	* gas/cfi/cfi-common-2.d: Likewise.
	* gas/cfi/cfi-common-5.d: Likewise.
	* gas/cfi/cfi-i386.d: Likewise.
	* gas/cfi/cfi-x86_64.d: Likewise.

ld/testsuite/

2008-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	* ld-elf/eh1.d: Replace DW_CFA_def_cfa_reg with
	DW_CFA_def_cfa_register. Updated for i386/x86-64 register
	names.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh4.d: Likewise.
	* ld-elf/eh5.d: Likewise.
 2008-01-28 15:15:32 +00:00
Alan Modra
8ded5a0fc3 bfd/ 
* elf-bfd.h: Formatting.
	(_bfd_elf_map_sections_to_segments): Declare.
	* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame_hdr): Don't
	clear program_header_size.
	* elf.c (get_program_header_size): Move.  Don't use or set saved
	program_header_size here.
	(elf_modify_segment_map): New function.  Split out from..
	(assign_file_positions_for_load_sections): ..here.  Assert
	header size is correct.  Remove dead code.
	(_bfd_elf_map_sections_to_segments): Rename from
	map_sections_to_segments.  Make global.  Use get_program_header_size
	when we need estimate of header size.  Call elf_modify_segment_map.
	Set program_header_size.
	(print_segment_map): Delete.
	(_bfd_elf_sizeof_headers): If segment_map available, get the
	actual size.
	* elf32-arm.c (elf32_arm_symbian_modify_segment_map): Make safe
	for calling more than once.
	* elf32-bfin.c (elf32_bfinfdpic_modify_segment_map): Likewise.
	* elf32-frv.c (elf32_frvfdpic_modify_segment_map): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_modify_segment_map): Likewise.
	* elf32-i370.c (elf_backend_add_symbol_hook): Delete.
	(elf_backend_additional_program_headers): Delete.
	(elf_backend_modify_segment_map): Delete.
	* elf64-hppa.c (elf64_hppa_modify_segment_map): Convert to ISO C.
	* elfxx-ia64.c (elfNN_ia64_modify_segment_map): Likewise.
	* doc/bfdint.texi: Delete SIZEOF_HEADERS difficulties.
ld/
	* Makefile.am (ELF_DEPS): Define.  Use in emul file deps.  Fix
	many ELF emul file deps that incorrectly said they needed elf32.em
	instead of generic.em.  Add genelf.em as required.
	* Makefile.in: Regenerate.
	* ldlang.c (lang_process): Call ldemul_finish before
	lang_check_section_addresses.
	* emulparams/arcelf.sh: Generic elf target needs genelf.
	* emulparams/d30v_e.sh: Likewise.
	* emulparams/d30v_o.sh: Likewise.
	* emulparams/d30velf.sh: Likewise.
	* emulparams/elf32_dlx.sh: Likewise.
	* emulparams/elf32_i860.sh: Likewise.
	* emulparams/elf32fr30.sh: Likewise.
	* emulparams/elf32frv.sh: Likewise.
	* emulparams/elf32iq10.sh: Likewise.
	* emulparams/elf32iq2000.sh: Likewise.
	* emulparams/elf32mt.sh: Likewise.
	* emulparams/mn10200.sh: Likewise.
	* emulparams/or32.sh: Likewise.
	* emulparams/or32elf.sh: Likewise.
	* emulparams/pjelf.sh: Likewise.
	* emulparams/msp430all.sh: Likewise.  Extract common entries.
	* emulparams/pjlelf.sh: Include pjelf.sh.
	* emulparams/elf32frvfd.sh (EXTRA_EM_FILE): Unset.
	* emulparams/mn10300.sh (EXTRA_EM_FILE): Unset.
	* emultempl/elf-generic.em: New file.
	* emultempl/genelf.em: New file.
	* emultempl/elf32.em: Include elf-generic.em.
	(gld${EMULATION_NAME}_layout_sections_again): Delete.
	(gld${EMULATION_NAME}_finish): Call gld${EMULATION_NAME}_map_segments.
	* emultempl/hppaelf.em (hppaelf_layout_sections_again): Likewise.
	(gld${EMULATION_NAME}_finish): Rename from hppaelf_finish.  Call
	gld${EMULATION_NAME}_map_segments.
	(LDEMUL_FINISH): Update.
	* emultempl/mmo.em: Correct comment.  Include elf-bfd.h and
	source elf-generic.em.
	(mmo_finish): Call gld${EMULATION_NAME}_map_segments.
	* emultempl/ppc64elf.em (ppc_layout_sections_again): Likewise.
	(gld${EMULATION_NAME}_finish): Rename from ppc_finish.  Call
	gld${EMULATION_NAME}_map_segments.
	(LDEMUL_FINISH): Update.
ld/testsuite/
	* ld-elf/eh1.d: Update for fewer program headers.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh3.d: Likewise.
 2006-06-20 02:22:16 +00:00
H.J. Lu
f607ec8858 2006-05-23 H.J. Lu <hongjiu.lu@intel.com> 
PR ld/2655
	PR ld/2657
	* ld-elf/eh1.d: New file.
	* ld-elf/eh1.s: Likewise.
	* ld-elf/eh1a.s: Likewise.
	* ld-elf/eh2.d: Likewise.
	* ld-elf/eh2a.s: Likewise.
	* ld-elf/eh3.d: Likewise.
	* ld-elf/eh3.s: Likewise.
	* ld-elf/eh3a.s: Likewise.
 2006-05-24 02:39:16 +00:00