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Diffstat (limited to 'ld/ChangeLog')
| -rw-r--r-- | ld/ChangeLog | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 1751368..d171298 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,158 @@ +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 |