X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Femultempl%2Fnds32elf.em;h=48f64335db295c62b6196e68b931feba544b2114;hb=cacb9d871376da293c655efce8cf3a4f2feefbaa;hp=e74652aa53ed60e91351e93c5237df8a14f54713;hpb=0e1862bb401f47716446aef143b2bf7a4563f541;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/emultempl/nds32elf.em b/ld/emultempl/nds32elf.em index e74652aa53..48f64335db 100644 --- a/ld/emultempl/nds32elf.em +++ b/ld/emultempl/nds32elf.em @@ -1,5 +1,5 @@ # This shell script emits a C file. -*- C -*- -# Copyright (C) 2012-2015 Free Software Foundation, Inc. +# Copyright (C) 2012-2020 Free Software Foundation, Inc. # Contributed by Andes Technology Corporation. # # This file is part of the GNU Binutils. @@ -22,7 +22,6 @@ fragment < */ +static int hyper_relax = 1; /* --mhyper-relax */ +static int tls_desc_trampoline = 0; /* --m[no]tlsdesc-trampoline. */ /* Disable if linking a dynamically linked executable. */ static int load_store_relax = 1; -static int target_optimize = 0; /* Switch optimization. */ -static int relax_status = 0; /* Finished optimization. */ -static int relax_round = 0; /* Going optimization. */ -static FILE *ex9_export_file = NULL; /* --mexport-ex9= */ -static FILE *ex9_import_file = NULL; /* --mimport-ex9= */ -static int update_ex9_table = 0; /* --mupdate-ex9. */ -static int ex9_limit = 511; -static bfd_boolean ex9_loop_aware = FALSE; /* Ignore ex9 if inside a loop. */ -static bfd_boolean ifc_loop_aware = FALSE; /* Ignore ifc if inside a loop. */ /* Save the target options into output bfd to avoid using to many global variables. Do this after the output has been created, but before @@ -52,49 +44,31 @@ nds32_elf_create_output_section_statements (void) if (strstr (bfd_get_target (link_info.output_bfd), "nds32") == NULL) { /* Check the output target is nds32. */ - einfo ("%F%X%P: error: Cannot change output format whilst " - "linking NDS32 binaries.\n"); + einfo (_("%F%P: error: cannot change output format whilst " + "linking %s binaries\n"), "NDS32"); return; } - bfd_elf32_nds32_set_target_option (&link_info, relax_fp_as_gp, + bfd_elf32_nds32_set_target_option (&link_info, + relax_fp_as_gp, eliminate_gc_relocs, sym_ld_script, - load_store_relax, - target_optimize, relax_status, relax_round, - ex9_export_file, ex9_import_file, - update_ex9_table, ex9_limit, - ex9_loop_aware, ifc_loop_aware); + hyper_relax, + tls_desc_trampoline, + load_store_relax); } static void nds32_elf_after_parse (void) { - if (bfd_link_relocatable (&link_info)) + if (bfd_link_relocatable (&link_info) + || bfd_link_pic (&link_info)) DISABLE_RELAXATION; if (!RELAXATION_ENABLED) - { - target_optimize = target_optimize & (!NDS32_RELAX_JUMP_IFC_ON); - target_optimize = target_optimize & (!NDS32_RELAX_EX9_ON); - relax_fp_as_gp = 0; - } + relax_fp_as_gp = 0; - if (ex9_import_file != NULL) - { - ex9_export_file = NULL; - target_optimize = target_optimize & (!NDS32_RELAX_EX9_ON); - } - else - update_ex9_table = 0; - - if (bfd_link_pic (&link_info)) - { - target_optimize = target_optimize & (!NDS32_RELAX_JUMP_IFC_ON); - target_optimize = target_optimize & (!NDS32_RELAX_EX9_ON); - } - - after_parse_default (); + ldelf_after_parse (); } static void @@ -122,66 +96,22 @@ nds32_elf_after_open (void) && abi_ver != (elf_elfheader (abfd)->e_flags & EF_NDS_ABI)) { /* Incompatible objects. */ - einfo (_("%F%B: ABI version of object files mismatched\n"), abfd); + einfo (_("%F%P: %pB: ABI version of object files mismatched\n"), + abfd); } - -#if defined NDS32_EX9_EXT - /* Append .ex9.itable section in the last input object file. */ - if (abfd->link_next == NULL && (target_optimize & NDS32_RELAX_EX9_ON)) - { - asection *itable; - struct bfd_link_hash_entry *h; - itable = bfd_make_section_with_flags (abfd, ".ex9.itable", - SEC_CODE | SEC_ALLOC | SEC_LOAD - | SEC_HAS_CONTENTS | SEC_READONLY - | SEC_IN_MEMORY | SEC_KEEP); - if (itable) - { - itable->gc_mark = 1; - itable->alignment_power = 2; - itable->size = 0x1000; - itable->contents = bfd_zalloc (abfd, itable->size); - - /* Add a symbol in the head of ex9.itable to objdump clearly. */ - h = bfd_link_hash_lookup (link_info.hash, "_EX9_BASE_", - FALSE, FALSE, FALSE); - _bfd_generic_link_add_one_symbol - (&link_info, link_info.output_bfd, "_EX9_BASE_", - BSF_GLOBAL | BSF_WEAK, itable, 0, (const char *) NULL, FALSE, - get_elf_backend_data (link_info.output_bfd)->collect, &h); - } - } -#endif } /* Check object files if the target is dynamic linked executable or shared object. */ if (elf_hash_table (&link_info)->dynamic_sections_created - || bfd_link_pic (&link_info)) + || bfd_link_pic (&link_info) + || bfd_link_pie (&link_info)) { - for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link.next) - { - if (!(elf_elfheader (abfd)->e_flags & E_NDS32_HAS_PIC)) - { - /* Non-PIC object file is used. */ - if (bfd_link_pic (&link_info)) - { - /* For PIE or shared object, all input must be PIC. */ - einfo (_("%B: must use -fpic to compile this file " - "for shared object or PIE\n"), abfd); - } - else - { - /* Dynamic linked executable with SDA and non-PIC. - Turn off load/store relaxtion. */ - /* TODO: This may support in the future. */ - load_store_relax = 0 ; - relax_fp_as_gp = 0; - } - } - } - /* Turn off relax when building shared object or PIE - until we can support their relaxation. */ + /* Dynamic linked executable with SDA and non-PIC. + Turn off load/store relaxtion. */ + /* This may support in the future. */ + load_store_relax = 0 ; + relax_fp_as_gp = 0; } /* Call the standard elf routine. */ @@ -191,17 +121,9 @@ nds32_elf_after_open (void) static void nds32_elf_after_allocation (void) { - if (target_optimize & NDS32_RELAX_EX9_ON - || (ex9_import_file != NULL && update_ex9_table == 1)) - { - /* Initialize ex9 hash table. */ - if (!nds32_elf_ex9_init ()) - return; - } - /* Call default after allocation callback. 1. This is where relaxation is done. - 2. It calls gld${EMULATION_NAME}_map_segments to build ELF segment table. + 2. It calls ldelf_map_segments to build ELF segment table. 3. Any relaxation requires relax being done must be called after it. */ gld${EMULATION_NAME}_after_allocation (); } @@ -218,31 +140,17 @@ PARSE_AND_LIST_PROLOGUE=' #define OPTION_REDUCE_FP_UPDATE (OPTION_BASELINE + 4) #define OPTION_NO_REDUCE_FP_UPDATE (OPTION_BASELINE + 5) #define OPTION_EXPORT_SYMBOLS (OPTION_BASELINE + 6) - -/* These are only available to ex9. */ -#if defined NDS32_EX9_EXT -#define OPTION_EX9_BASELINE 320 -#define OPTION_EX9_TABLE (OPTION_EX9_BASELINE + 1) -#define OPTION_NO_EX9_TABLE (OPTION_EX9_BASELINE + 2) -#define OPTION_EXPORT_EX9 (OPTION_EX9_BASELINE + 3) -#define OPTION_IMPORT_EX9 (OPTION_EX9_BASELINE + 4) -#define OPTION_UPDATE_EX9 (OPTION_EX9_BASELINE + 5) -#define OPTION_EX9_LIMIT (OPTION_EX9_BASELINE + 6) -#define OPTION_EX9_LOOP (OPTION_EX9_BASELINE + 7) -#endif - -/* These are only available to link-time ifc. */ -#if defined NDS32_IFC_EXT -#define OPTION_IFC_BASELINE 340 -#define OPTION_JUMP_IFC (OPTION_IFC_BASELINE + 1) -#define OPTION_NO_JUMP_IFC (OPTION_IFC_BASELINE + 2) -#define OPTION_IFC_LOOP (OPTION_IFC_BASELINE + 3) -#endif +#define OPTION_HYPER_RELAX (OPTION_BASELINE + 7) +#define OPTION_TLSDESC_TRAMPOLINE (OPTION_BASELINE + 8) +#define OPTION_NO_TLSDESC_TRAMPOLINE (OPTION_BASELINE + 9) ' PARSE_AND_LIST_LONGOPTS=' { "mfp-as-gp", no_argument, NULL, OPTION_FP_AS_GP}, { "mno-fp-as-gp", no_argument, NULL, OPTION_NO_FP_AS_GP}, { "mexport-symbols", required_argument, NULL, OPTION_EXPORT_SYMBOLS}, + { "mhyper-relax", required_argument, NULL, OPTION_HYPER_RELAX}, + { "mtlsdesc-trampoline", no_argument, NULL, OPTION_TLSDESC_TRAMPOLINE}, + { "mno-tlsdesc-trampoline", no_argument, NULL, OPTION_NO_TLSDESC_TRAMPOLINE}, /* These are deprecated options. Remove them in the future. */ { "mrelax-reduce-fp-update", no_argument, NULL, OPTION_REDUCE_FP_UPDATE}, { "mrelax-no-reduce-fp-update", no_argument, NULL, OPTION_NO_REDUCE_FP_UPDATE}, @@ -251,50 +159,20 @@ PARSE_AND_LIST_LONGOPTS=' { "mrelax-omit-fp", no_argument, NULL, OPTION_FP_AS_GP}, { "mrelax-no-omit-fp", no_argument, NULL, OPTION_NO_FP_AS_GP}, { "mgen-symbol-ld-script", required_argument, NULL, OPTION_EXPORT_SYMBOLS}, - /* These are specific optioins for ex9-ext support. */ -#if defined NDS32_EX9_EXT - { "mex9", no_argument, NULL, OPTION_EX9_TABLE}, - { "mno-ex9", no_argument, NULL, OPTION_NO_EX9_TABLE}, - { "mexport-ex9", required_argument, NULL, OPTION_EXPORT_EX9}, - { "mimport-ex9", required_argument, NULL, OPTION_IMPORT_EX9}, - { "mupdate-ex9", no_argument, NULL, OPTION_UPDATE_EX9}, - { "mex9-limit", required_argument, NULL, OPTION_EX9_LIMIT}, - { "mex9-loop-aware", no_argument, NULL, OPTION_EX9_LOOP}, -#endif - /* These are specific optioins for ifc-ext support. */ -#if defined NDS32_IFC_EXT - { "mifc", no_argument, NULL, OPTION_JUMP_IFC}, - { "mno-ifc", no_argument, NULL, OPTION_NO_JUMP_IFC}, - { "mifc-loop-aware", no_argument, NULL, OPTION_IFC_LOOP}, -#endif ' PARSE_AND_LIST_OPTIONS=' fprintf (file, _("\ - --m[no-]fp-as-gp Disable/enable fp-as-gp relaxation\n\ - --mexport-symbols=FILE Exporting symbols in linker script\n\ -")); - -#if defined NDS32_EX9_EXT + --m[no-]fp-as-gp Disable/enable fp-as-gp relaxation\n")); fprintf (file, _("\ - --m[no-]ex9 Disable/enable link-time EX9 relaxation\n\ - --mexport-ex9=FILE Export EX9 table after linking\n\ - --mimport-ex9=FILE Import Ex9 table for EX9 relaxation\n\ - --mupdate-ex9 Update existing EX9 table\n\ - --mex9-limit=NUM Maximum number of entries in ex9 table\n\ - --mex9-loop-aware Avoid generate EX9 instruction inside loop\n\ -")); -#endif - -#if defined NDS32_IFC_EXT + --mexport-symbols=FILE Exporting symbols in linker script\n")); + fprintf (file, _("\ + --mhyper-relax=level Adjust relax level (low|medium|high). default: medium\n")); fprintf (file, _("\ - --m[no-]ifc Disable/enable link-time IFC optimization\n\ - --mifc-loop-aware Avoid generate IFC instruction inside loop\n\ -")); -#endif + --m[no-]tlsdesc-trampoline Disable/enable TLS DESC trampoline\n")); ' PARSE_AND_LIST_ARGS_CASES=' case OPTION_BASELINE: - einfo ("%P: --mbaseline is not used anymore.\n"); + einfo (_("%P: --mbaseline is not used anymore\n")); break; case OPTION_ELIM_GC_RELOCS: eliminate_gc_relocs = 1; @@ -305,11 +183,11 @@ PARSE_AND_LIST_ARGS_CASES=' break; case OPTION_REDUCE_FP_UPDATE: case OPTION_NO_REDUCE_FP_UPDATE: - einfo ("%P: --relax-[no-]reduce-fp-updat is not used anymore.\n"); + einfo (_("%P: --relax-[no-]reduce-fp-updat is not used anymore\n")); break; case OPTION_EXPORT_SYMBOLS: if (!optarg) - einfo (_("Missing file for --mexport-symbols.\n"), optarg); + einfo (_("%P: missing file for --mexport-symbols\n"), optarg); if(strcmp (optarg, "-") == 0) sym_ld_script = stdout; @@ -317,68 +195,29 @@ PARSE_AND_LIST_ARGS_CASES=' { sym_ld_script = fopen (optarg, FOPEN_WT); if(sym_ld_script == NULL) - einfo (_("%P%F: cannot open map file %s: %E.\n"), optarg); + einfo (_("%F%P: cannot open map file %s: %E\n"), optarg); } break; -#if defined NDS32_EX9_EXT - case OPTION_EX9_TABLE: - target_optimize = target_optimize | NDS32_RELAX_EX9_ON; - break; - case OPTION_NO_EX9_TABLE: - target_optimize = target_optimize & (!NDS32_RELAX_EX9_ON); - break; - case OPTION_EXPORT_EX9: + case OPTION_HYPER_RELAX: if (!optarg) - einfo (_("Missing file for --mexport-ex9=.\n")); - - if(strcmp (optarg, "-") == 0) - ex9_export_file = stdout; + einfo (_("%P: valid arguments to --mhyper-relax=(low|medium|high)\n")); + + if (strcmp (optarg, "low") == 0) + hyper_relax = 0; + else if (strcmp (optarg, "medium") == 0) + hyper_relax = 1; + else if (strcmp (optarg, "high") == 0) + hyper_relax = 2; else - { - ex9_export_file = fopen (optarg, "wb"); - if(ex9_export_file == NULL) - einfo (_("ERROR %P%F: cannot open ex9 export file %s.\n"), optarg); - } - break; - case OPTION_IMPORT_EX9: - if (!optarg) - einfo (_("Missing file for --mimport-ex9=.\n")); + einfo (_("%P: valid arguments to --mhyper-relax=(low|medium|high)\n")); - ex9_import_file = fopen (optarg, "rb+"); - if(ex9_import_file == NULL) - einfo (_("ERROR %P%F: cannot open ex9 import file %s.\n"), optarg); - break; - case OPTION_UPDATE_EX9: - update_ex9_table = 1; - break; - case OPTION_EX9_LIMIT: - if (optarg) - { - ex9_limit = atoi (optarg); - if (ex9_limit > 511 || ex9_limit < 1) - { - einfo (_("ERROR: the range of ex9_limit must between 1 and 511\n")); - exit (1); - } - } - break; - case OPTION_EX9_LOOP: - target_optimize = target_optimize | NDS32_RELAX_EX9_ON; - ex9_loop_aware = 1; - break; -#endif -#if defined NDS32_IFC_EXT - case OPTION_JUMP_IFC: - target_optimize = target_optimize | NDS32_RELAX_JUMP_IFC_ON; - break; - case OPTION_NO_JUMP_IFC: - target_optimize = target_optimize & (!NDS32_RELAX_JUMP_IFC_ON); break; - case OPTION_IFC_LOOP: - target_optimize = target_optimize | NDS32_RELAX_JUMP_IFC_ON; - ifc_loop_aware = 1; + case OPTION_TLSDESC_TRAMPOLINE: + tls_desc_trampoline = 1; break; -#endif + case OPTION_NO_TLSDESC_TRAMPOLINE: + tls_desc_trampoline = 0; + break; ' LDEMUL_AFTER_OPEN=nds32_elf_after_open LDEMUL_AFTER_PARSE=nds32_elf_after_parse