-2010-10-21 Joseph Myers <joseph@codesourcery.com>
-
- * emulparams/elf32_tic6x_le.sh (ATTRS_SECTIONS): Use
- .c6xabi.attributes, not __TI_build_attributes.
-
-2010-10-20 Dave Korn <dave.korn.cygwin@gmail.com>
-
- * plugin.c (get_symbols): Check symbol type correctly.
-
-2010-10-15 Dave Korn <dave.korn.cygwin@gmail.com>
-
- * configure.in: If <dlfcn.h> can't be found, try for <Windows.h>
- * configure: Regenerate.
- * config.in: Likewise.
- * plugin.c [!HAVE_DLFCN_H && HAVE_WINDOWS_H] (dlopen): Provide
- trival LoadLibrary-based replacement for Windows systems.
- [!HAVE_DLFCN_H && HAVE_WINDOWS_H] (dlsym): Likewise trivial
- replacement based on GetProcAddress.
- [!HAVE_DLFCN_H && HAVE_WINDOWS_H] (dlsym): Likewise FreeLibrary.
- * sysdep.h: Don't infer presence of <dlfcn.h> from ENABLE_PLUGINS
- anymore, use its own guard.
-
-2010-10-15 Dave Korn <dave.korn.cygwin@gmail.com>
-
- * plugin.c (add_input_file): Take copy of input string.
- (add_input_library): Likewise.
- (set_extra_library_path): Likewise.
-
-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.
-
-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.
-
-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.
-
-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.
-
-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.
-
-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.
-
-2010-10-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
-
- * emultempl/solaris2.em (elf_solaris2_before_allocation): Renamed
- basever_syms to global_syms.
- Emit global_syms into .dynamic section for all executables and
- shared objects.
- (elf_solaris2_after_allocation): New function.
- (LDEMUL_AFTER_ALLOCATION): Use it.
- * emulparams/solaris2.sh: New file.
- * emulparams/elf32_sparc_sol2.sh: Use it.
- * emulparams/elf64_sparc_sol2.sh: Likewise.
- * emulparams/elf_i386_sol2.sh: Likewise.
- * emulparams/elf_x86_64_sol2.sh: Likewise.
- * Makefile.am (eelf32_sparc_sol2.c): Depend on
- $(srcdir)/emulparams/solaris2.sh.
- (eelf64_sparc_sol2.c): Likewise.
- (eelf_x86_64_sol2.c): Likewise.
- (eelf_i386_sol2.c): Likewise.