X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-score7.c;h=5adf9f4817ba8349dab9d7382b4d95ca431aef25;hb=ec892a0718dc47c2d009532865c353daa749eaa1;hp=cd87ff34669d0c05b31599eea6d56e37c35b751f;hpb=4dfe6ac6feb4515960e05c7c4a428b54318c75a3;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-score7.c b/bfd/elf32-score7.c index cd87ff3466..5adf9f4817 100644 --- a/bfd/elf32-score7.c +++ b/bfd/elf32-score7.c @@ -1,5 +1,5 @@ /* 32-bit ELF support for S+core. - Copyright 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 2009-2015 Free Software Foundation, Inc. Contributed by Brain.lin (brain.lin@sunplusct.com) Mei Ligang (ligang@sunnorth.com.cn) @@ -22,8 +22,8 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "libiberty.h" #include "elf-bfd.h" @@ -546,7 +546,7 @@ static reloc_howto_type elf32_score_howto_table[] = /* No relocation. */ HOWTO (R_SCORE_NONE, /* type */ 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ + 3, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ @@ -920,9 +920,6 @@ score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data) { struct score_elf_hash_sort_data *hsd = data; - if (h->root.root.type == bfd_link_hash_warning) - h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link; - /* Symbols without dynamic symbol table entries aren't interesting at all. */ if (h->root.dynindx == -1) return TRUE; @@ -951,7 +948,7 @@ score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data) static asection * score_elf_got_section (bfd *abfd, bfd_boolean maybe_excluded) { - asection *sgot = bfd_get_section_by_name (abfd, ".got"); + asection *sgot = bfd_get_linker_section (abfd, ".got"); if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0)) return NULL; @@ -1106,16 +1103,16 @@ score_elf_rel_dyn_section (bfd *dynobj, bfd_boolean create_p) static const char dname[] = ".rel.dyn"; asection *sreloc; - sreloc = bfd_get_section_by_name (dynobj, dname); + sreloc = bfd_get_linker_section (dynobj, dname); if (sreloc == NULL && create_p) { - sreloc = bfd_make_section_with_flags (dynobj, dname, - (SEC_ALLOC - | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_LINKER_CREATED - | SEC_READONLY)); + sreloc = bfd_make_section_anyway_with_flags (dynobj, dname, + (SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_IN_MEMORY + | SEC_LINKER_CREATED + | SEC_READONLY)); if (sreloc == NULL || ! bfd_set_section_alignment (dynobj, sreloc, SCORE_ELF_LOG_FILE_ALIGN (dynobj))) @@ -1289,7 +1286,7 @@ score_elf_create_got_section (bfd *abfd, /* We have to use an alignment of 2**4 here because this is hardcoded in the function stub generation and in the linker script. */ - s = bfd_make_section_with_flags (abfd, ".got", flags); + s = bfd_make_section_anyway_with_flags (abfd, ".got", flags); if (s == NULL || ! bfd_set_section_alignment (abfd, s, 4)) return FALSE; @@ -1308,7 +1305,8 @@ score_elf_create_got_section (bfd *abfd, h->def_regular = 1; h->type = STT_OBJECT; - if (info->shared && ! bfd_elf_link_record_dynamic_symbol (info, h)) + if (bfd_link_pic (info) + && ! bfd_elf_link_record_dynamic_symbol (info, h)) return FALSE; amt = sizeof (struct score_got_info); @@ -1638,9 +1636,8 @@ score_elf_got_offset_from_index (bfd *dynobj, { asection *sgot; bfd_vma gp; - struct score_got_info *g; - g = score_elf_got_info (dynobj, &sgot); + score_elf_got_info (dynobj, &sgot); gp = _bfd_get_gp_value (output_bfd); return sgot->output_section->vma + sgot->output_offset + got_index - gp; @@ -1856,7 +1853,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, elf_gp (output_bfd) = (bh->u.def.value + bh->u.def.section->output_section->vma + bh->u.def.section->output_offset); - else if (info->relocatable) + else if (bfd_link_relocatable (info)) { bfd_vma lo = -1; @@ -1969,7 +1966,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, g = score_elf_global_got_index (elf_hash_table (info)->dynobj, (struct elf_link_hash_entry *) h); if ((! elf_hash_table(info)->dynamic_sections_created - || (info->shared + || (bfd_link_pic (info) && (info->symbolic || h->root.dynindx == -1) && h->root.def_regular))) { @@ -2021,12 +2018,12 @@ score_elf_final_link_relocate (reloc_howto_type *howto, case R_SCORE_ABS32: case R_SCORE_REL32: - if ((info->shared + if ((bfd_link_pic (info) || (elf_hash_table (info)->dynamic_sections_created && h != NULL && h->root.def_dynamic && !h->root.def_regular)) - && r_symndx != 0 + && r_symndx != STN_UNDEF && (input_section->flags & SEC_ALLOC) != 0) { /* If we're creating a shared library, or this relocation is against a symbol @@ -2039,8 +2036,8 @@ score_elf_final_link_relocate (reloc_howto_type *howto, input_section)) return bfd_reloc_undefined; } - else if (r_symndx == 0) - /* r_symndx will be zero only for relocs against symbols + else if (r_symndx == STN_UNDEF) + /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols from removed linkonce sections, or sections discarded by a linker script. */ value = 0; @@ -2068,7 +2065,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, if ((offset & 0x1000000) != 0) offset |= 0xfe000000; value += offset; - abs_value = abs (value - rel_addr); + abs_value = value - rel_addr; if ((abs_value & 0xfe000000) != 0) return bfd_reloc_overflow; addend = (addend & ~howto->src_mask) @@ -2098,7 +2095,7 @@ score_elf_final_link_relocate (reloc_howto_type *howto, if ((offset & 0x800) != 0) /* Offset is negative. */ offset |= 0xfffff000; value += offset; - abs_value = abs (value - rel_addr); + abs_value = value - rel_addr; if ((abs_value & 0xfffff000) != 0) return bfd_reloc_overflow; addend = (addend & ~howto->src_mask) | (value & howto->src_mask); @@ -2243,7 +2240,6 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, asection **local_sections) { Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; Elf_Internal_Rela *rel; Elf_Internal_Rela *relend; const char *name; @@ -2256,7 +2252,7 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, if (elf_hash_table (info)->dynamic_sections_created) { bfd_size_type dynsecsymcount = 0; - if (info->shared) + if (bfd_link_pic (info)) { asection * p; const struct elf_backend_data *bed = get_elf_backend_data (output_bfd); @@ -2274,7 +2270,6 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info; - sym_hashes = elf_sym_hashes (input_bfd); rel = relocs; relend = relocs + input_section->reloc_count; for (; rel < relend; rel++) @@ -2306,7 +2301,7 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, relocation = sec->output_section->vma + sec->output_offset; name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec); - if (!info->relocatable) + if (!bfd_link_relocatable (info)) { if (ELF_ST_TYPE (sym->st_info) != STT_SECTION || (sec->flags & SEC_MERGE)) @@ -2382,6 +2377,12 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, /* For global symbols we look up the symbol in the hash-table. */ h = ((struct score_elf_link_hash_entry *) elf_sym_hashes (input_bfd) [r_symndx - extsymoff]); + + if (info->wrap_hash != NULL + && (input_section->flags & SEC_DEBUGGING) != 0) + h = ((struct score_elf_link_hash_entry *) + unwrap_hash_lookup (info, input_bfd, &h->root.root)); + /* Find the real hash-table entry for this symbol. */ while (h->root.root.type == bfd_link_hash_indirect || h->root.root.type == bfd_link_hash_warning) @@ -2433,11 +2434,11 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, /* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol in s7_bfd_score_elf_create_dynamic_sections. Otherwise, we should define the symbol with a value of 0. */ - BFD_ASSERT (! info->shared); + BFD_ASSERT (! bfd_link_pic (info)); BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL); relocation = 0; } - else if (!info->relocatable) + else if (!bfd_link_relocatable (info)) { if (! ((*info->callbacks->undefined_symbol) (info, h->root.root.root.string, input_bfd, @@ -2449,18 +2450,11 @@ s7_bfd_score_elf_relocate_section (bfd *output_bfd, } } - if (sec != NULL && elf_discarded_section (sec)) - { - /* For relocs against symbols from removed linkonce sections, - or sections discarded by a linker script, we just want the - section contents zeroed. Avoid any special processing. */ - _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); - rel->r_info = 0; - rel->r_addend = 0; - continue; - } + if (sec != NULL && discarded_section (sec)) + RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, + rel, 1, relend, howto, 0, contents); - if (info->relocatable) + if (bfd_link_relocatable (info)) { /* This is a relocatable link. We don't have to change anything, unless the reloc is against a section symbol, @@ -2595,7 +2589,7 @@ s7_bfd_score_elf_check_relocs (bfd *abfd, asection *sreloc; const struct elf_backend_data *bed; - if (info->relocatable) + if (bfd_link_relocatable (info)) return TRUE; dynobj = elf_hash_table (info)->dynobj; @@ -2654,6 +2648,10 @@ s7_bfd_score_elf_check_relocs (bfd *abfd, { while (h->root.type == bfd_link_hash_indirect) h = (struct elf_link_hash_entry *) h->root.u.i.link; + + /* PR15323, ref flags aren't set for references in the + same object. */ + h->root.non_ir_ref = 1; } } @@ -2672,7 +2670,9 @@ s7_bfd_score_elf_check_relocs (bfd *abfd, break; case R_SCORE_ABS32: case R_SCORE_REL32: - if (dynobj == NULL && (info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0) + if (dynobj == NULL + && (bfd_link_pic (info) || h != NULL) + && (sec->flags & SEC_ALLOC) != 0) elf_hash_table (info)->dynobj = dynobj = abfd; break; default: @@ -2715,7 +2715,8 @@ s7_bfd_score_elf_check_relocs (bfd *abfd, break; case R_SCORE_ABS32: case R_SCORE_REL32: - if ((info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0) + if ((bfd_link_pic (info) || h != NULL) + && (sec->flags & SEC_ALLOC) != 0) { if (sreloc == NULL) { @@ -2724,7 +2725,7 @@ s7_bfd_score_elf_check_relocs (bfd *abfd, return FALSE; } #define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY) - if (info->shared) + if (bfd_link_pic (info)) { /* When creating a shared object, we must copy these reloc types into the output file as R_SCORE_REL32 relocs. We make room for this reloc @@ -2917,7 +2918,7 @@ s7_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info, any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output file. */ hscore = (struct score_elf_link_hash_entry *) h; - if (!info->relocatable + if (!bfd_link_relocatable (info) && hscore->possibly_dynamic_relocs != 0 && (h->root.type == bfd_link_hash_defweak || !h->def_regular)) { @@ -2941,7 +2942,7 @@ s7_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info, if (!h->def_regular) { /* We need .stub section. */ - s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME); + s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME); BFD_ASSERT (s != NULL); h->root.u.def.section = s; @@ -3009,7 +3010,7 @@ s7_bfd_score_elf_always_size_sections (bfd *output_bfd, /* Calculate the total loadable size of the output. That will give us the maximum number of GOT_PAGE entries required. */ - for (sub = info->input_bfds; sub; sub = sub->link_next) + for (sub = info->input_bfds; sub; sub = sub->link.next) { asection *subsection; @@ -3077,9 +3078,9 @@ s7_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *i if (elf_hash_table (info)->dynamic_sections_created) { /* Set the contents of the .interp section to the interpreter. */ - if (!info->shared) + if (!bfd_link_pic (info) && !info->nointerp) { - s = bfd_get_section_by_name (dynobj, ".interp"); + s = bfd_get_linker_section (dynobj, ".interp"); BFD_ASSERT (s != NULL); s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1; s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER; @@ -3237,7 +3238,7 @@ s7_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) | SEC_LINKER_CREATED | SEC_READONLY); /* ABI requests the .dynamic section to be read only. */ - s = bfd_get_section_by_name (abfd, ".dynamic"); + s = bfd_get_linker_section (abfd, ".dynamic"); if (s != NULL) { if (!bfd_set_section_flags (abfd, s, flags)) @@ -3252,17 +3253,17 @@ s7_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) return FALSE; /* Create .stub section. */ - if (bfd_get_section_by_name (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL) + if (bfd_get_linker_section (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL) { - s = bfd_make_section_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME, - flags | SEC_CODE); + s = bfd_make_section_anyway_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME, + flags | SEC_CODE); if (s == NULL || !bfd_set_section_alignment (abfd, s, 2)) return FALSE; } - if (!info->shared) + if (!bfd_link_pic (info)) { const char *name; @@ -3310,7 +3311,7 @@ s7_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd, /* This symbol has a stub. Set it up. */ BFD_ASSERT (h->dynindx != -1); - s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME); + s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME); BFD_ASSERT (s != NULL); /* FIXME: Can h->dynindex be more than 64K? */ @@ -3358,7 +3359,8 @@ s7_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd, /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ name = h->root.root.string; - if (strcmp (name, "_DYNAMIC") == 0 || strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0) + if (h == elf_hash_table (info)->hdynamic + || h == elf_hash_table (info)->hgot) sym->st_shndx = SHN_ABS; else if (strcmp (name, "_DYNAMIC_LINK") == 0) { @@ -3390,7 +3392,7 @@ s7_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd, dynobj = elf_hash_table (info)->dynobj; - sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); + sdyn = bfd_get_linker_section (dynobj, ".dynamic"); sgot = score_elf_got_section (dynobj, FALSE); if (sgot == NULL) @@ -3734,10 +3736,10 @@ s7_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) case 272: /* Linux/Score elf_prstatus */ /* pr_cursig */ - elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); + elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); /* pr_pid */ - elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); + elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); /* pr_reg */ offset = 72; @@ -3749,7 +3751,8 @@ s7_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) } /* Make a ".reg/999" section. */ - return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, note->descpos + offset); + return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, + note->descpos + offset); } bfd_boolean @@ -3762,10 +3765,12 @@ s7_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) case 128: /* Linux/Score elf_prpsinfo. */ /* pr_fname */ - elf_tdata (abfd)->core_program = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); + elf_tdata (abfd)->core->program + = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); /* pr_psargs */ - elf_tdata (abfd)->core_command = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); + elf_tdata (abfd)->core->command + = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); break; } @@ -3774,7 +3779,7 @@ s7_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) implementations, so strip it off if it exists. */ { - char *command = elf_tdata (abfd)->core_command; + char *command = elf_tdata (abfd)->core->command; int n = strlen (command); if (0 < n && command[n - 1] == ' ')