diff options
-rw-r--r-- | lto-plugin/lto-plugin.c | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/lto-plugin/lto-plugin.c b/lto-plugin/lto-plugin.c index 4737843..00b7606 100644 --- a/lto-plugin/lto-plugin.c +++ b/lto-plugin/lto-plugin.c @@ -136,6 +136,7 @@ struct plugin_file_info void *handle; struct plugin_symtab symtab; struct plugin_symtab conflicts; + bool skip_file; }; /* List item with name of the file with offloading. */ @@ -159,7 +160,7 @@ enum symbol_style static char *arguments_file_name; static ld_plugin_register_claim_file register_claim_file; static ld_plugin_register_all_symbols_read register_all_symbols_read; -static ld_plugin_get_symbols get_symbols, get_symbols_v2; +static ld_plugin_get_symbols get_symbols, get_symbols_v2, get_symbols_v3; static ld_plugin_register_cleanup register_cleanup; static ld_plugin_add_input_file add_input_file; static ld_plugin_add_input_library add_input_library; @@ -547,15 +548,13 @@ free_symtab (struct plugin_symtab *symtab) static void write_resolution (void) { - unsigned int i; + unsigned int i, included_files = 0; FILE *f; check (resolution_file, LDPL_FATAL, "resolution file not specified"); f = fopen (resolution_file, "w"); check (f, LDPL_FATAL, "could not open file"); - fprintf (f, "%d\n", num_claimed_files); - for (i = 0; i < num_claimed_files; i++) { struct plugin_file_info *info = &claimed_files[i]; @@ -563,13 +562,38 @@ write_resolution (void) struct ld_plugin_symbol *syms = symtab->syms; /* Version 2 of API supports IRONLY_EXP resolution that is - accepted by GCC-4.7 and newer. */ - if (get_symbols_v2) + accepted by GCC-4.7 and newer. + Version 3 can return LDPS_NO_SYMS that means the object + will not be used at all. */ + if (get_symbols_v3) + { + enum ld_plugin_status status + = get_symbols_v3 (info->handle, symtab->nsyms, syms); + if (status == LDPS_NO_SYMS) + { + info->skip_file = true; + continue; + } + } + else if (get_symbols_v2) get_symbols_v2 (info->handle, symtab->nsyms, syms); else get_symbols (info->handle, symtab->nsyms, syms); + ++included_files; + finish_conflict_resolution (symtab, &info->conflicts); + } + + fprintf (f, "%d\n", included_files); + + for (i = 0; i < num_claimed_files; i++) + { + struct plugin_file_info *info = &claimed_files[i]; + struct plugin_symtab *symtab = &info->symtab; + + if (info->skip_file) + continue; fprintf (f, "%s %d\n", info->name, symtab->nsyms + info->conflicts.nsyms); dump_symtab (f, symtab); @@ -833,7 +857,8 @@ all_symbols_read_handler (void) { struct plugin_file_info *info = &claimed_files[i]; - *lto_arg_ptr++ = info->name; + if (!info->skip_file) + *lto_arg_ptr++ = info->name; } *lto_arg_ptr++ = NULL; @@ -1410,6 +1435,9 @@ onload (struct ld_plugin_tv *tv) case LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK: register_all_symbols_read = p->tv_u.tv_register_all_symbols_read; break; + case LDPT_GET_SYMBOLS_V3: + get_symbols_v3 = p->tv_u.tv_get_symbols; + break; case LDPT_GET_SYMBOLS_V2: get_symbols_v2 = p->tv_u.tv_get_symbols; break; |