Nick Clifton [Wed, 21 May 2008 08:09:38 +0000 (08:09 +0000)]
* ld.texinfo (ARM): Document --stub-group-size=N option.
Move description of --pic-veneer option into the ARM section.
* NEWS: Mention the support for long function calls.
Ian Lance Taylor [Tue, 20 May 2008 04:00:47 +0000 (04:00 +0000)]
* options.h (class General_options): Add -z relro.
* layout.cc (Layout::Layout): Initialize relro_segment_.
(Layout::add_output_section_data): Return the output section.
(Layout::make_output_section): Rcognize relro sections and mark
them appropriately.
(Layout::attach_allocated_section_to_segment): Put relro sections
in a PT_GNU_RELRO segment.
(Layout::create_initial_dynamic_sections): Mark the .dynamic
section as relro.
(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
PT_TLS segments.
(Layout::linkonce_mapping): Map d.rel.ro.local to
.data.rel.ro.local.
(Layout::output_section_name): Us .data.rel.ro.local for any
section which begins with that.
* layout.h (class Layout): Update add_output_section_data
declaration. Add relro_segment_ field.
* output.cc (Output_section::Output_section): Initialize is_relro_
and is_relro_local_ fields.
(Output_segment::add_output_section): Group relro sections.
(Output_segment::is_first_section_relro): New function.
(Output_segment::maximum_alignment): If there is a relro section,
align the segment to the common page size.
(Output_segment::set_section_addresses): Track whether we are
looking at relro sections. If the last section is a relro
section, align to the common page size.
(Output_segment::set_section_list_addresses): Add in_relro
parameter. Change all callers. Align to the page size when
moving from relro to non-relro section.
(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
segment.
* output.h (class Output_section): Add is_relro_ and
is_relro_local_ fields.
(Output_section::is_relro): New function.
(Output_section::set_is_relro): New function.
(Output_section::is_relro_local): New function.
(Output_section::set_is_relro_local): New function.
(class Output_segment): Update declarations.
* i386.cc (Target_i386::got_section): Mark .got section as relro.
* sparc.cc (Target_sparc::got_section): Likewise.
* x86_64.cc (Target_x86_64::got_section): Likewise.
* testsuite/relro_test_main.cc: New file.
* testsuite/relro_test.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
(relro_test_LDFLAGS, relro_test_LDADD): New variables.
(relro_test.so, relro_test_pic.o): New targets.
* testsuite/Makefile.in: Rebuild.
Alan Modra [Mon, 19 May 2008 06:06:03 +0000 (06:06 +0000)]
PR 2995, PR 6473
* elf.c (_bfd_elf_make_section_from_shdr): Leave lma equal to
vma when all p_paddr fields are zero and there is more than
one PT_LOAD header.
Ian Lance Taylor [Fri, 16 May 2008 20:44:22 +0000 (20:44 +0000)]
* i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
know the dynamic type.
* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
field. Initialize it in constructor.
(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
reloc.
* minsyms.c (lookup_minimal_symbol_by_pc_name): New function.
* symtab.h (lookup_minimal_symbol_by_pc_name): Add prototype.
* symtab.c (fixup_section): Remove prototype. Add ADDR parameter;
use it instead of ginfo->value.address. Look up minimal symbol by
address and name. Assume OBJFILE is non-NULL.
(fixup_symbol_section): Ensure we always have an objfile to look
into. Extract and pass to fixup_section the symbol's address that
will match the minimal symbol's address.
(fixup_psymbol_section): Likewise.
(find_pc_sect_psymtab): Fall back to non-addrmap case when debugging
overlays and the addrmap returned the wrong section.
* dwarf2read.c (var_decode_location): Set SYMBOL_CLASS before
calling fixup_symbol_section.
Ulrich Weigand [Fri, 16 May 2008 12:51:21 +0000 (12:51 +0000)]
* minsyms.c: Include "target.h".
(find_solib_trampoline_target): Handle minimal symbols pointing
to function descriptors as well.
* Makefile.in (minsyms.o): Update dependencies.
* ppc-linux-tdep.c (ppc64_standard_linkage): Rename to ...
(ppc64_standard_linkage1): ... this. Fix optional instructions.
(PPC64_STANDARD_LINKAGE_LEN): Rename to ...
(PPC64_STANDARD_LINKAGE1_LEN): ... this.
(ppc64_standard_linkage2, ppc64_standard_linkage3): New.
(PPC64_STANDARD_LINKAGE2_LEN, PPC64_STANDARD_LINKAGE3_LEN): New.
(ppc64_standard_linkage_target): Rename to ...
(ppc64_standard_linkage1_target): ... this.
(ppc64_standard_linkage2_target, ppc64_standard_linkage3_target): New.
(ppc64_skip_trampoline_code): Support three variants of standard
linkage stubs. Call find_solib_trampoline_target to handle
glink stubs.
Ulrich Weigand [Wed, 14 May 2008 18:28:59 +0000 (18:28 +0000)]
* ppc-linux-tdep.c (ppc_linux_convert_from_func_ptr_addr): Rename ...
(ppc64_linux_convert_from_func_ptr_addr): ... to this. No longer try
to handle ppc32 PLT entries.
(ppc_linux_init_abi): Install ppc64_linux_convert_from_func_ptr_addr
only on ppc64.
Alan Modra [Wed, 14 May 2008 02:21:19 +0000 (02:21 +0000)]
* elf32-ppc.c (section_covers_vma): New function.
(ppc_elf_get_synthetic_symtab): New function.
(bfd_elf32_get_synthetic_symtab): Define.
* elf64-ppc.c (section_covers_vma): New function.
(ppc64_elf_get_synthetic_symtab): Generate sym@plt on glink branch
table entries, and __glink_PLTresolve on resolver stub.
(ppc64_elf_build_stubs): Rename __glink sym to __glink_PLTresolve.
Alan Modra [Mon, 12 May 2008 12:47:47 +0000 (12:47 +0000)]
PR 6443
* elf32-ppc.c (MUST_BE_DYN_RELOC): Delete.
(must_be_dyn_reloc): New function.
(ppc_elf_check_relocs): Don't set DF_STATIC_TLS for tprel relocs
in pies.
(ppc_elf_tls_optimize): Optimise pies.
(ppc_elf_relocate_section): Use a section symbol rather than no
symbol if possible for LD->IE TLS sequence, but don't error if
we must use no symbol.
* elf64-ppc.c (MUST_BE_DYN_RELOC): As for elf32-ppc.c.
(must_be_dyn_reloc): Likewise.
(ppc64_elf_check_relocs): Likewise.
(ppc64_elf_tls_optimize): Likewise.
(ppc64_elf_relocate_section): Likewise.
David S. Miller [Sun, 11 May 2008 22:10:30 +0000 (22:10 +0000)]
* sparc-linux-tdep.c (PSR_SYSCALL): Define.
(sparc_linux_write_pc): New function.
(sparc32_linux_init_abi): Register it.
* sparc64-linux-tdep.c (TSTATE_SYSCALL): Define.
(sparc64_linux_write_pc): New function.
(sparc64_linux_init_abi): Register it.
Joel Brobecker [Fri, 9 May 2008 23:50:41 +0000 (23:50 +0000)]
* ada-lang.c (ada_evaluate_subexp) [BINOP_ASSIGN]: Do not force
the type of the right hand side of the assignment to the type
of the left hand side if the left hand side is a convenience
variable.
Chao-ying Fu [Fri, 9 May 2008 18:18:22 +0000 (18:18 +0000)]
* config/tc-mips.c (md_begin): Use strncmp to compare TARGET_OS, in
case that some characters append at the end of the name.
(mips_ip): Likewise.
(s_change_sec): Likewise.
(md_section_align): Likewise.
ld/PR6502
* emultempl/pep.em (compute_dll_image_base): Use bfd_vma instead of long
and change return type to bfd_vma.
(definfo): Change type of address from long to bfd_vma.
(set_pep_value): Replace strtoul to strtoull.
(gld_${EMULATION_NAME}_set_symbols): use bfd_vma instead of long..
* pe-dll.c (pe_dll_generate_def_file): Use fprintf_vma to print ImageBase.
(quick_reloc): Change argument address from int to bfd_size_type.
Ulrich Weigand [Thu, 8 May 2008 19:46:56 +0000 (19:46 +0000)]
* regcache.c (registers_length): Remove.
(set_register_cache): Verify that PBUFSIZ is large enough to hold a
full register packet.
* regcache.h (registers_length): Remove prototype.
* server.h (PBUFSIZ): Define to 16384.