# This shell script emits a C file. -*- C -*-
-# Copyright (C) 2012-2014 Free Software Foundation, Inc.
+# Copyright (C) 2012-2015 Free Software Foundation, Inc.
# Contributed by Andes Technology Corporation.
#
# This file is part of the GNU Binutils.
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%X%P: error: Cannot change output format whilst "
+ "linking NDS32 binaries.\n");
return;
}
/* For now, make sure all object files are of the same architecture.
We may try to merge object files with different architecture together. */
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
+ for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link.next)
{
if (arch_ver == (unsigned int)-1 && E_N1_ARCH != (elf_elfheader (abfd)->e_flags & EF_NDS_ARCH))
arch_ver = elf_elfheader (abfd)->e_flags & EF_NDS_ARCH ;
einfo (_("%F%B: ABI version of object files mismatched\n"), abfd);
}
+#if defined NDS32_EX9_EXT
/* Append .ex9.itable section in the last input object file. */
- if (!link_info.relocatable && abfd->link_next == NULL)
+ if (abfd->link_next == NULL && (target_optimize & NDS32_RELAX_EX9_ON))
{
asection *itable;
struct bfd_link_hash_entry *h;
{
itable->gc_mark = 1;
itable->alignment_power = 2;
- if ((target_optimize & NDS32_RELAX_EX9_ON))
- {
- itable->size = 0x1000;
- itable->contents = bfd_zalloc (abfd, itable->size);
- }
- else
- {
- itable->size = 0x4;
- itable->contents = bfd_zalloc (abfd, itable->size);
- bfd_putb32 (INSN_BREAK_EA,itable->contents);
- }
+ 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_",
get_elf_backend_data (link_info.output_bfd)->collect, &h);
}
}
+#endif
}
/* Check object files if the target is dynamic linked executable
if (elf_hash_table (&link_info)->dynamic_sections_created
|| link_info.shared || link_info.pie)
{
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
+ for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link.next)
{
if (!(elf_elfheader (abfd)->e_flags & E_NDS32_HAS_PIC))
{
if (link_info.shared || link_info.pie)
{
/* 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);
+ 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;
}
gld${EMULATION_NAME}_after_open ();
}
-static void nds32_elf_relax_stub (bfd_boolean relax)
-{
- /* Re-caculate memory map address. */
- lang_do_assignments (lang_assigning_phase_enum);
- lang_reset_memory_regions ();
- one_lang_size_sections_pass (&relax, FALSE);
-}
-
static void
nds32_elf_after_allocation (void)
{
- struct elf_nds32_link_hash_table *table;
- table = nds32_elf_hash_table (&link_info);
+ if (target_optimize & NDS32_RELAX_EX9_ON
+ || (ex9_import_file != NULL && update_ex9_table == 1))
+ {
+ /* Initialize ex9 hash table. */
+ if (!nds32_elf_ex9_init ())
+ return;
+ }
/* Call default after allocation callback.
1. This is where relaxation is done.
2. It calls gld${EMULATION_NAME}_map_segments to build ELF segment table.
3. Any relaxation requires relax being done must be called after it. */
gld${EMULATION_NAME}_after_allocation ();
-
- if (!table)
- return;
-
- /* Use IFC */
- if ((target_optimize & NDS32_RELAX_JUMP_IFC_ON)
- && !(table->relax_status & NDS32_RELAX_JUMP_IFC_DONE))
- {
- table->relax_round = NDS32_RELAX_JUMP_IFC_ROUND;
- /* Traverse all sections to build j and jal list. */
- nds32_elf_relax_stub (TRUE);
-
- /* Replace with ifc. */
- if (!nds32_elf_ifc_finish (&link_info))
- einfo (_("%F: Please report this bug. IFC error.\n"));
- table->relax_round = NDS32_RELAX_NONE_ROUND;
-
- /* Adjust address after ifcall. */
- nds32_elf_relax_stub (FALSE);
-
- if (!nds32_elf_ifc_reloc ())
- einfo (_("%F: Please report this bug. IFC error.\n"));
- }
-
- /* EX9 Instruction Table Relaxation. */
- if (!link_info.relocatable && !nds32_elf_ex9_itb_base (&link_info))
- einfo (_("%F: Please report this bug. Ex9 relocation error.\n"));
-
-
- /* Generate ex9 table. */
- if ((target_optimize & NDS32_RELAX_EX9_ON)
- && !(table->relax_status & NDS32_RELAX_EX9_DONE))
- {
- /* Ex9 entry point. */
- table->relax_round = NDS32_RELAX_EX9_BUILD_ROUND;
-
- /* Initialize ex9 hash table. */
- if (!nds32_elf_ex9_init ())
- return;
-
- /* Build ex9 instruction table. */
- nds32_elf_relax_stub (TRUE);
- nds32_elf_ex9_finish (&link_info);
- /* Replace with ex9.it. */
- nds32_elf_relax_stub (TRUE);
- table->relax_round = NDS32_RELAX_NONE_ROUND;
-
- /* Do ifc again. */
- if (target_optimize & NDS32_RELAX_JUMP_IFC_ON)
- if (!nds32_elf_ifc_finish (&link_info))
- einfo (_("%F: Please report this bug. IFC error.\n"));
-
- /* Re-caculate memory map address. */
- lang_do_assignments (lang_assigning_phase_enum);
- /* Relocation for .ex9.itable. */
- nds32_elf_ex9_reloc_jmp (&link_info);
- }
- else if (ex9_import_file != NULL
- && !(table->relax_status = NDS32_RELAX_EX9_DONE))
- {
- /* Import ex9 table. */
-
- if (update_ex9_table == 1)
- {
- /* Build ex9 table. */
- table->relax_round = NDS32_RELAX_EX9_BUILD_ROUND;
- /* Initialize ex9 hash table. */
- if (!nds32_elf_ex9_init ())
- return;
- /* Build ex9 table. */
- nds32_elf_relax_stub (TRUE);
-
- /* Relocation for .ex9.itable. */
- lang_do_assignments (lang_assigning_phase_enum);
- nds32_elf_ex9_reloc_jmp (&link_info);
- }
- nds32_elf_ex9_import_table (&link_info);
-
- /* Replace with ex9.it. */
- table->relax_round = NDS32_RELAX_EX9_REPLACE_ROUND;
- table->relax_status |= NDS32_RELAX_EX9_DONE;
- nds32_elf_relax_stub (TRUE);
- }
}
EOF
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},
- { "mgen-symbol-ld-script", required_argument, NULL, OPTION_EXPORT_SYMBOLS},
+ { "mexport-symbols", required_argument, NULL, OPTION_EXPORT_SYMBOLS},
/* 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},
break;
case OPTION_EXPORT_SYMBOLS:
if (!optarg)
- einfo (_("Missing file for --mgen-symbol-ld-script.\n"), optarg);
+ einfo (_("Missing file for --mexport-symbols.\n"), optarg);
if(strcmp (optarg, "-") == 0)
sym_ld_script = stdout;
ex9_export_file = stdout;
else
{
- ex9_export_file = fopen (optarg, FOPEN_WT);
+ ex9_export_file = fopen (optarg, "wb");
if(ex9_export_file == NULL)
einfo (_("ERROR %P%F: cannot open ex9 export file %s.\n"), optarg);
}
if (!optarg)
einfo (_("Missing file for --mimport-ex9=<file>.\n"));
- ex9_import_file = fopen (optarg, "r+");
+ ex9_import_file = fopen (optarg, "rb+");
if(ex9_import_file == NULL)
einfo (_("ERROR %P%F: cannot open ex9 import file %s.\n"), optarg);
break;
projects / deliverable / binutils-gdb.git / blobdiff