Use GCC LTO wrapper to get real symbols from LTO IR objects

[deliverable/binutils-gdb.git] / bfd / ChangeLog

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 083b21fbd97847844e98d9c849786548a0f330f0..fef8bc43004ec2c9e9e06c8f859ad0657db6a0a9 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,37 @@
+2020-02-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR binutils/25355
+       * configure.ac (HAVE_EXECUTABLE_SUFFIX): New AC_DEFINE.
+       (EXECUTABLE_SUFFIX): Likewise.
+       * config.in: Regenerated.
+       * configure: Likewise.
+       * plugin.c (bfd_plugin_close_and_cleanup): Removed.
+       (plugin_list_entry): Add all_symbols_read, cleanup_handler,
+       gcc, lto_wrapper, resolution_file, resolution_option, gcc_env,
+       real_bfd, real_nsyms, real_syms, lto_nsyms and lto_syms.
+       (get_lto_wrapper): New.
+       (setup_lto_wrapper_env): Likewise.
+       (current_plugin): Likewise.
+       (register_all_symbols_read): Likewise.
+       (register_cleanup): Likewise.
+       (get_symbols): Likewise.
+       (add_input_file): Likewise.
+       (bfd_plugin_close_and_cleanup): Likewise.
+       (claim_file): Removed.
+       (register_claim_file): Set current_plugin->claim_file.
+       (add_symbols): Make a copy of LTO symbols.  Set lto_nsyms and
+       lto_syms in current_plugin.
+       (try_claim): Use current_plugin->claim_file.  Call LTO plugin
+       all_symbols_read handler.  Copy real symbols to plugin_data.
+       Call LTO plugin cleanup handler.  Clean up for LTO wrapper.
+       (try_load_plugin): Don't reuse the previous plugin for LTO
+       wrapper.  Set up GCC LTO wrapper if possible.  Don't set
+       plugin_list_iter->claim_file.
+       (bfd_plugin_canonicalize_symtab): Use real LTO symbols if
+       possible.
+       * plugin.h (plugin_data_struct): Add real_bfd, real_nsyms and
+       real_syms.
+
 2020-02-10  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
        * elf32-msp430.c (msp430_elf_relax_section): Before relaxing a branch,