Adds a section for --as-needed libraries to a linker map file, similar
to what we do for archive libraries.
bfd/
* elflink.c (elf_link_add_object_symbols): Call minfo for --as-needed.
ld/
* ldlang.c (asneeded_list_head, asneeded_list_tail): New vars.
(lang_init): Initialise them.
(lang_print_asneeded): New function.
(lang_process): Call lang_print_asneeded.
* ldlang.h (struct asneeded_minfo): New.
(asneeded_list_tail): Declare.
* ldmain.c (add_archive_element): Improve archive map heading.
* ldmisc.c (minfo): Stash --as-needed info.
* config.bfd (msp430): Define targ_selvecs.
* configure.in: Add bfd_elf32_msp430_ti_vec.
* cpu-msp430.c: Add some more MSP430 machine numbers.
* elf32-msp430.c Add support for MSP430X relocations.
Add support for TI compiler generated relocations.
Add support for sym_diff relocations.
Add support for relaxing out of range short branches into long
branches.
Add support for MSP430 attribute section.
* reloc.c: Add MSP430X relocations.
* targets.c: Add bfd_elf32_msp430_ti_vec.
* bfd-in2.h: Regenerate.
* configure: Regenerate.
* libbfd.h: Regenerate.
* readelf.c: Add support for MSP430X architecture.
* readelf.exp: Expect -wi test to fail for the MSP430.
* config/tc-msp430.c: Add support for the MSP430X architecture.
Add code to insert a NOP instruction after any instruction that
might change the interrupt state.
Add support for the LARGE memory model.
Add code to initialise the .MSP430.attributes section.
* config/tc-msp430.h: Add support for the MSP430X architecture.
* doc/c-msp430.texi: Document the new -mL and -mN command line
options.
* NEWS: Mention support for the MSP430X architecture.
* gas/all/gas.exp: Skip the DIFF1 test for the MSP430.
Expect the FORWARD test to pass for the MSP430.
Skip the REDEF tests for the MSP430.
Expect the 930509A test to fail for the MSP430.
* gas/all/sleb128-4.d: Skip for the MSP430.
* gas/elf/elf.exp: Set target_machine to msp430 for the MSP430.
Skip the EHOPT0 test for the MSP430.
Skip the REDEF and EQU-RELOC tests for the MSP430.
* gas/elf/section2.e-msp430: New file.
* gas/lns/lns-big-delta.d: Remove expectation of 20-bit
addresses.
* gas/lns/lns.exp: Use alternate LNS COMMON test for the MSP430.
* gas/msp430/msp430x.s: New test.
* gas/msp430/msp430x.d: Expected disassembly.
* gas/msp430/msp430.exp: Run new test.
* gas/msp430/opcode.d: Update expected disassembly.
* msp430.h: Add MSP430X relocs.
Add some more MSP430 machine numbers.
Add values used by .MSP430.attributes section.
* msp430.h: Add patterns for MSP430X instructions.
* Makefile.am: Add emsp430X.c
* Makefine.in: Regenerate.
* configure.tgt (msp430): Add msp430X emulation.
* ldmain.c (multiple_definition): Only disable relaxation if it
was enabled by the user.
* ldmain.h (RELAXATION_ENABLED_BY_USER): New macro.
* emulparams/msp430all.sh: Add support for MSP430X.
* emultempl/generic.em: (before_parse): Enable relaxation for the
MSP430.
* scripttempl/msp430.sc: Reorganize sections. Add .rodata
section.
* scripttempl/msp430_3.sc: Likewise.
* NEWS: Mention support for MSP430X.
* ld-elf/flags1.d: Expect this test to pass on the MSP430.
* ld-elf/init-fini-arrays.d: Expect this test to fail on the
MSP430.
* ld-elf/merge.d: Expect this test to pass on the MSP430.
* ld-elf/sec64k.exp: Skip these tests for the MSP430.
* ld-gc/pr13683.d: Expect this test to fail on the MSP430.
* ld-srec/srec.exp: Expect these tests to fail on the MSP430.
* ld-undefined/undefined.exp: Expect the UNDEFINED LINE test to
fail on the MSP430.
* msp430-dis.c: Add support for MSP430X instructions.
ld/
PR ld/14904
* ldmain.c (main): Don't check plugin_load_plugins return.
* lexsup.c (parse_args): Don't check plugin_opt_plugin return.
* plugin.c (dlerror): New. Defined if HAVE_DLFCN_H isn't
defined.
(plugin_opt_plugin): Change return type to void. Stop on
dlopen error and report error with dlerror ().
(plugin_load_plugins): Change return type to void. Stop on
dlsym error and report error with dlerror (). Don't use
set_plugin_error.
(plugin_call_cleanup): Issue an error for each plugin.
* plugin.h (plugin_opt_plugin): Change return type to void.
(plugin_load_plugins): Likewise.
ld/testsuite/
PR ld/14904
* ld-plugin/plugin-2.d: Update expected error message.
* ld-plugin/plugin-4.d: Likewise.
* ld.h (parsing_defsym): Delete.
* ldexp.c (exp_intop, exp_bigintop, exp_relop): Set type.filename.
(fold_binary, fold_name, exp_fold_tree_1, exp_get_vma, exp_get_fill,
exp_get_abs_int): Add tree arg for %S in error messages. Don't
fudge lineno.
(exp_binop, exp_unop, exp_nameop, exp_assop, exp_assert): Copy
type.filename from sub-tree.
(exp_trinop): Likewise, and use "cond" rather than "lhs".
* ldexp.h (node_type): Add filename field to struct.
* ldfile.c (ldfile_input_filename): Delete. Remove all refs.
* ldfile.h (ldfile_input_filename): Delete.
* ldgram.y (phdr_type, phdr_qualifiers, yyerror): Add NULL arg for
%S in error messages.
* ldemul.c (syslib_default, hll_default): Likewise.
* ldlang.c (lang_memory_region_lookup, lang_memory_region_alias,
lang_get_regions, lang_new_phdr): Likewise.
(lang_size_sections_1): Pass addr_tree for %S.
* ldlex.h (lex_redirect): Update prototype.
(ldlex_filename): Declare.
* ldlex.l (<EOF>): Don't set ldfile_input_filename.
(lex_redirect): Add fake_filename and count params. Push
fake_filename to file_name_stack and init lineno from count.
(ldlex_filename): New function.
(lex_warn_invalid): Use above.
* ldmain.c (main): Update lex_redirect call.
* ldmisc.c (vfinfo <%S>): Take file name and line number from
etree_type arg, or use current if arg is NULL.
* lexsup.c (parsing_defsym): Delete.
(parse_args <OPTION_DEFSYM>): Update lex_redirect call.
PR ld/12696
include/
* bfdlink.h (ENUM_BITFIELD): Define.
(struct bfd_link_hash_entry): Make "type" a bitfield. Add "non_ir_ref".
(struct bfd_link_callbacks <notice>): Pass bfd_link_hash_entry pointer
rather than "name".
bfd/
* coff-aux.c (coff_m68k_aux_link_add_one_symbol): Update "notice" call.
* linker.c (_bfd_link_hash_newfunc): Clear bitfields.
(_bfd_generic_link_add_one_symbol): Update "notice" call.
* elflink.c (_bfd_elf_merge_symbol): Don't skip weak redefs when
it is a redef of an IR symbol in a real BFD.
ld/
* ldmain.c (notice): Delete "name" param, add "h".
* plugin.c (plugin_notice): Likewise. Set non_ir_ref. Handle
redefinitions of IR symbols in real BFDs.
(plugin_multiple_definition, plugin_multiple_common): Delete.
(non_ironly_hash, init_non_ironly_hash): Delete.
(is_visible_from_outside): Traverse entry_symbol chain.
(get_symbols): Use non_ir_ref flag rather than hash lookup.
bfd/
* elfcode.h (elf_slurp_symbol_table): Put common plugin IR symbols
in their own common section.
* elflink.c (elf_link_add_object_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Don't lose flags
if common section is pre-existing.
(_bfd_generic_link_add_one_symbol): Likewise.
ld/
* ldfile.c (ldfile_try_open_bfd): Move code creating and switching
to plugin IR BFD..
* ldmain.c (add_archive_element): ..and similar code here..
* plugin.c (plugin_maybe_claim): ..to here. New function.
(plugin_call_claim_file): Make static.
(asymbol_from_plugin_symbol): Set ELF st_shndx for common syms.
(plugin_multiple_common): New function.
(plugin_call_all_symbols_read): Hook in plugin_multiple_common.
* plugin.h (plugin_call_claim_file): Don't declare.
(plugin_maybe_claim): Declare.
ld/ChangeLog:
2011-03-10 Dave Korn <dave.korn.cygwin@gmail.com>
* ldlang.h (lang_input_statement_type): Add new 'claim_archive' flag,
wrapping both it and 'claim' flag in #ifdef ENABLE_PLUGINS.
* ldmain.c (add_archive_element): Set it if the member is claimed.
* ldlang.c (new_afile): Initialise claim_archive and claimed members.
(find_replacements_insert_point): New helper function.
(lang_process): After adding and opening replacement files passed
from plugin, splice them into correct place in statement list and
file chains to preserve critical link order.
(lang_list_insert_after): New helper function.
(lang_list_remove_tail): Likewise.
(is_ir_dummy_bfd): Delete prototype.
* plugin.c: Fix formatting issues.
(is_ir_dummy_bfd): Make static.
(plugin_active_plugins_p): New function.
* ldfile.c (ldfile_try_open_bfd): Use it to save work if no plugins
are loaded. Always close file descriptor after claim handler returns.
* ldmain.c (add_archive_element): Likewise.
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
* ld.h (struct args_type): Rename 'relax' field to
'disable_target_specific_optimizations' and turn it into a
tri-state variable.
(RELAXATION_DISABLED_BY_DEFAULT): New macro.
(RELAXATION_DISABLED_BY_USER): New macro.
(RELAXATION_ENABLED): New macro.
(DISABLE_RELAXATION): New macro.
(ENABLE_RELAXATION): New macro.
* lexsup (enum option_values): Add OPTION_NO_RELAX.
(struct ld_options): Add --no-relax.
(parse_args): Handle OPTION_NO_RELAX. Use DISABLE_RELAXATION and
ENABLE_RELAXATION macros.
* ldlang.c (lang_relax_sections): Use RELAXATION_ENABLED macro.
(lang_process): Likewise.
* ldmain.c (main): Initialise
disable_target_specific_optimizations field.
(multiple_definition): Use RELAXATION_ENABLED macro.
* ld.texinfo: Document new command line option.
* emultempl/alphaelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/avrelf.em: (after_allocation): Test RELAXATION_ENABLED
macro.
* emultempl/cr16elf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/crxelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_DISABLED_BY_USER macro.
Use ENABLE_RELAXATION macro.
* emultempl/mmix-elfnmmo.em: (before_allocation): Use
ENABLE_RELAXATION macro.
* emultempl/needrelax.em: (before_allocation): Use
ENABLE_RELAXATION macro.
* emultempl/ppc32elf.em: (before_allocation): Test
RELAXATION_DISABLED_BY_DEFAULT macro. Use
ENABLE_RELAXATION macro.
* emultempl/sh64elf.em: (before_allocation): Test
RELAXATION_ENABLED macro. Use DISABLE_RELAXATION macro.
* emultempl/xtensaelf.em: Remove --no-relax option.
(before_allocation): Test RELAXATION_ENABLED macro.
Use ENABLE_RELAXATION macro.
* ldlang.h (struct lang_input_statement_struct): Rename add_needed
to add_DT_NEEDED_for_dynamic. Rename as_needed to
add_DT_NEEDED_for_regular.
* ldlang.c: Likewise.
* ldlang.h: Likewise.
* ldlang.c: Use the new variable names.
* ldgram.y: Likewise.
* emultempl/elf32.em: Likewise.
* ld.texinfo: Document the renamed option. Also mention its
affect on the resolution of dynamic symbols.
* NEWS: Mention the changed option name.
searches for a linker script unless -T option is specified.
* ldfile.c (ldfile_find_command_file): Append the path obtained
from the program name to the search path instead of
prepending. Add a new parameter "default_only". Restrict the
search to the default script location if the new parameter is
true.
(ldfile_open_command_file_1): New.
(ldfile_open_command_file): Call ldfile_open_command_file_1.
(ldfile_open_default_command_file): New.
* ld.h (args_type): Make check_section_addresses a char.
ldlang.c (lang_process): Don't consider relocatable flag when
checking for overlap.
* ldmain.c (main): Default check_section_addresses to -1. Check it
for relocatable links.
* ld.texinfo (--check-sections): Update documentation.
* ldmain.c (check_for_scripts_dir, set_scripts_dir): Delete.
(main): Don't set_scripts_dir here.
* ldfile.c (check_for_scripts_dir, find_scripts_dir): New functions,
largely based on ldmain.c versions.
(ldfile_find_command_file): Set up search in script dir here without
affecting library search.
* Makefile.am (ldmain.o): No need to define SCRIPTDIR.
(ldfile.o): New rule.
* Makefile.in: Regenerate.
* ld.texinfo: Likewise.
* ldlang.c: Formatting throughout.
(archive_path): Only assume "[A-Za-z]:" is a dos drive.
(input_statement_is_archive_path): New function, extracted from..
(walk_wild): ..here.
(walk_wild_consider_section): Match archive:path here too.
(init_map_userdata, sort_def_symbol): Convert to ISO C.
* ldmain.c (main): Set link_info.path_separator.
* emultempl/spuelf.em (choose_target): Don't set it here.
2008-01-11 Tristan Gingold <gingold@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>
* ldlang.c (lang_end): Warns if the entry point is not found when
--gc-sections.
Emit an error if no root is specified when --gc-sections -r.
* ld.texinfo (Options): Document that --gc-sections is compatible
with -r and -q.
* ldmain.c (main): Do not error out if -r and --gc-sections.
* scripttempl/elf.sc: Emit ENTRY command only if relocating.
ld/testsuite:
2008-01-11 Tristan Gingold <gingold@adacore.com>
* lib/ld-lib.exp (check_gc_sections_available): Now available on
VxWorks.
* ld-gc: New directory for testing --gc-sections.
* ld-gc/gc.c: New file.
* ld-gc/gc.exp: New file.
* ld-gc/noent.s: New file.
* ld-gc/noent.d: New file.
