2009-01-14 H.J. Lu <hongjiu.lu@intel.com>
PR ld/9727
* elflink.c (elf_gc_sweep): Exclude the group section if the
first member of the section group is excluded.
ld/testsuite/
2009-01-14 H.J. Lu <hongjiu.lu@intel.com>
PR ld/9727
* ld-elf/group8.s: New.
* ld-elf/group8a.d: Likewise.
* ld-elf/group8b.d: Likewise.
* ld-elf/group9.s: Likewise.
* ld-elf/group9a.d: Likewise.
* ld-elf/group9b.d: Likewise.
* ld-scripts/default-script.exp: Likewise.
* ld-scripts/empty-orphan.exp: Likewise, and add to LDFLAGS rather
than replacing.
* ld-scripts/include.exp: Set --local-store for SPU.
* elf32-spu.c (struct spu_link_hash_table): Add init, line_size_log2,
num_lines_log2.
(struct got_entry): Add br_addr.
(struct call_info): Add priority.
(struct function_info): Add lr_store and sp_adjust.
(spu_elf_setup): Init line_size_log2 and num_lines_log2.
(spu_elf_find_overlays): For soft-icache, mark any section within cache
area as an overlay, and check that no other overlays exist. Look up
icache overlay manager entry sym.
(BRA_STUBS, BRA, BRASL): Define.
(enum _stub_type): Replace ovl_stub with call_ovl_stub and br*_ovl_stub.
(needs_ovl_stub): Adjust for soft-icache. Return priority encoded
in branch insn.
(count_stub, build_stub): Support soft-icache.
(build_spuear_stubs, process_stubs): Adjust build_stub call.
(spu_elf_size_stubs): Size soft-icache stubs.
(overlay_index): New function.
(spu_elf_build_stubs): Make static. Support soft-icache.
(spu_elf_check_vma): Don't turn off auto_overlay if soft-icache.
(find_function_stack_adjust): Save lr store and stack adjust insn
offsets.
(maybe_insert_function): Adjust find_function_stack_adjust call.
(mark_functions_via_relocs): Retrieve priority.
(remove_cycles): Only warn about pruned arcs when stack_analysis.
(sort_calls): Sort by priority first.
(mark_overlay_section): Ignore .ovl.init.
(sum_stack): Only print when stack_analysis.
(print_one_overlay_section): New function, extracted from..
(spu_elf_auto_overlay): ..here. Support soft-icache overlays.
(spu_elf_stack_analysis): Only print when htab->stack_analysis.
(spu_elf_final_link): Call spu_elf_stack_analysis for lrlive
analysis. Call spu_elf_build_stubs.
(spu_elf_relocate_section): For soft-icache encode overlay index
into addresses.
(spu_elf_output_symbol_hook): Support soft-icache.
(spu_elf_modify_program_headers: Likewise.
* elf32-spu.h (struct spu_elf_params): Add lrlive_analysis. Rename
num_regions to num_lines. Add line_size and max_branch.
(enum _ovly_flavour): Add ovly_soft_icache.
(spu_elf_build_stubs): Delete.
gas/
* config/tc-spu.c (md_pseudo_table): Add "brinfo".
(brinfo): New var.
(md_assemble): Poke brinfo into branch instructions.
(spu_brinfo): New function.
(md_apply_fix): Don't assume insn fields start off at zero, mask
them to remove possible brinfo.
ld/
* emultempl/spuelf.em (params): Init new fields.
(num_lines_set, line_size_set, icache_mgr, icache_mgr_stream): New vars.
(spu_place_special_section): Adjust placement for soft-icache. Pad
soft-icache section to a fixed size. Clear addr_tree.
(spu_elf_load_ovl_mgr): Support soft-icache. Map overlay manager
sections a little more intelligently.
(gld${EMULATION_NAME}_finish): Don't call spu_elf_build_stubs.
(OPTION_SPU_NUM_LINES): Rename from OPTION_SPU_NUM_REGIONS.
(OPTION_SPU_SOFT_ICACHE, OPTION_SPU_LINE_SIZE): Define.
(OPTION_SPU_LRLIVE): Define.
(PARSE_AND_LIST_LONGOPTS): Add new soft-icache options.
(PARSE_AND_LIST_OPTIONS): Likewise.
(PARSE_AND_LIST_ARGS_CASES): Handle them.
* emultempl/spu_icache.S: Dummy file.
* emultempl/spu_icache.o_c: Regenerate.
* Makefile.am (eelf32_spu.c): Depend on spu_icache.o_c.
(spu_icache.o_c): Add rule to build.
(CLEANFILES): Zap temp files.
(EXTRA_DIST): Add spu_icache.o_c.
* Makefile.in: Regenerate.
ld/testsuite/
* ld-spu/ovl.d: Allow for absolute branches in stubs.
* ld-spu/ovl2.d: Likewise.
ld-cris/tls-e-23.d, ld-cris/tls-e-66.d, ld-cris/tls-gd-3.d,
ld-cris/tls-gd-3h.d, ld-cris/tls-global-74.d,
ld-cris/tls-ie-8e1.d, ld-cris/tls-ldgde-14.d,
ld-cris/tls-ldgde-15.d, ld-cris/tls-le-12.d, ld-cris/tls-le-13.d,
ld-cris/tls-le-13s.d, ld-cris/tls-legd-16.d,
ld-cris/tls-legd-17.d, ld-cris/tls-legdx-16.d,
ld-cris/tls-legdx-17.d, ld-cris/tls-leie-18.d,
ld-cris/tls-leie-19.d, ld-cris/tls-local-57.d,
ld-cris/tls-local-58.d, ld-cris/tls-local-59.d: Adjust for
relocation value now offset by negative program TLS block size.
* ld-cris/tls-le-12s.d: Ditto. Move 128-byte tls-data to last.
Adjust accordingly.
* ld-cris/tls-le-12s.s: Use movs, not movu, for sign-extended
always-negative relocation.
* ld-cris/tls-tprelm.s: Move filler data to after symbol for
tested relocation.
* ld-cris/tls-ok-36.d: Adjust accordingly.
2009-01-02 H.J. Lu <hongjiu.lu@intel.com>
PR ld/9679
* elflink.c (elf_merge_st_other): New.
(_bfd_elf_merge_symbol): Use it on skipped weak definitions and
hide them if needed.
(elf_link_add_object_symbols): Updated.
ld/testsuite/
2009-01-02 H.J. Lu <hongjiu.lu@intel.com>
PR ld/9679
* ld-elf/pr9679-1.c: New.
* ld-elf/pr9679-2.c: Likewise.
* ld-elf/pr9679.rd: Likewise.
* ld-elf/shared.exp (build_tests): Add test for libpr9679.so.
* common.h (STT_IFUNC): Define.
elfcpp/
* elfcpp.h (enum STT): Add STT_IFUNC.
bfd/
* syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE. Renumber flags
to remove gaps.
(bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
(bfd_decode_symclass): Likewise.
* elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
STT_IFUNC.
(elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
(_bfd_elf_is_function_type): Likewise.
* elf32-arm.c (arm_elf_find_function): Likewise.
(elf32_arm_adjust_dynamic_symbol): Likewise.
(elf32_arm_swap_symbol_in): Likewise.
(elf32_arm_additional_program_headers): Likewise.
* elf32-i386.c (is_indirect_symbol): New function.
(elf_i386_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (is_indirect_symbol): New function.
(elf64_x86_64_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf64_x86_64_relocate_section): Likewise.
* elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
BSF_INDIRECT_FUNCTION.
* elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
for STT_IFUNC symbols.
(get_ifunc_reloc_section_name): New function.
(_bfd_elf_make_ifunc_reloc_section): New function.
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
* bfd-in2.h: Regenerate.
gas/
* config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
* doc/as.texinfo: Document new feature.
* NEWS: Mention new feature.
gas/testsuite/
* gas/elf/type.s: Add test of STT_IFUNC symbol type.
* gas/elf/type.e: Update expected disassembly.
* gas/elf/elf.exp: Update grep of symbol types.
ld/
* NEWS: Mention new feature.
* pe-dll.c (process_def_file): Replace use of redundant
BFD_FORT_COMM_DEFAULT_VALUE with 0.
* scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
sections.
ld/testsuite/
* ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
descriptions.
* ld-mips-elf/reloc-1-n64.d: Likewise.
* ld-i386/ifunc.d: New test.
* ld-i386/ifunc.s: Source file for the new test.
* ld-i386/i386.exp: Run the new test.
* elf32-arm.c (elf32_arm_final_link_relocate): Do not turn
branches to undefine weak symbols into branches to the next
instruction if creating PLT entries for those symbols.
ld/testsuite:
* ld-arm/thumb2-bl-undefweak.d, ld-arm/thumb2-bl-undefweak.s: New.
* ld-arm/arm-elf.exp: Run thumb2-bl-undefweak test.
types if running with --wide.
* ld-ia64/tlsbin.rd: Update expected output now that --wide does
not truncate section names.
* ld-ia64/tlspic.rd: Likewise.
* ld-elf/eh-frame-hdr.d: Replace target and xfail statements by single
`target: cfi'.
* ld-elf/eh-group.exp: Call check_as_cfi instead of is_elf_format.
* ld-elf/eh-group1.s, elf/eh-group2.s: Use more compatible section
flags prefix '%'.
* ld-elf/eh5.d: Replace target statement by `target: cfi' with an Alpha
exception. Relax the `Code alignment factor' matching.
* lib/ld-lib.exp: Rename istarget as istarget_ld.
(istarget, check_as_cfi): New procedure.
(run_dump_test): New comment for the virtual target `cfi'.
PR 6893 - Do not consider FDEs for discarded sections as invalid.
* elf-eh-frame.c (_bfd_elf_parse_eh_frame): New REQUIRE_CLEARED_RELOCS.
Consider FDEs with cleared relocations as valid and ignorable.
ld/testsuite/
* ld-elf/eh-group.exp, ld-elf/eh-group1.s, ld-elf/eh-group2.s: New test.
binutils/
Suppress warnings on NONE relocations to discarded sections.
* readelf.c (is_none_reloc): New function.
(debug_apply_relocations): Ignore is_none_reloc() relocations.
* ld-elfcomm/common1b.c (dummy1): Mark the variable for GCC as USED.
* ld-shared/main.c (main): Move the P variable only to the places where
it is used.
2008-09-16 H.J. Lu <hongjiu.lu@intel.com>
PR ld/6877
* elflink.c (_bfd_elf_merge_symbol): Allow a common symbol to
override the function in a shared library.
ld/testsuite/
2008-09-16 H.J. Lu <hongjiu.lu@intel.com>
PR ld/6877
* ld-elf/comm1.c: New.
* ld-elf/func1.c: Likewise.
* ld-elf/shared.exp: Add tests for libfunc1.so and comm1.
Fix PR ld/3290 regression for cross-files DW_FORM_ref_addr relocations.
* elflink.c (elf_link_add_object_symbols): Make debug symbols local
now only for non-RELOCATABLE targets.
ld/testsuite/
* ld-x86-64/dwarfreloc.exp, ld-x86-64/dwarfreloc.rd,
ld-x86-64/dwarfreloc1.s, ld-x86-64/dwarfreloc2.s: New test.
