X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-frv.c;h=05e9c58b4af2944c050470ba0c7aa794c706a546;hb=fd885f3a4d85dc33d794ca359ea91f31e3082717;hp=3a3124347b5d4cdaeaac7f58e179866652529d78;hpb=07adf1816db141e2cc9c0cd5d9a6aa1a712bc979;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-frv.c b/bfd/elf32-frv.c index 3a3124347b..05e9c58b4a 100644 --- a/bfd/elf32-frv.c +++ b/bfd/elf32-frv.c @@ -1,28 +1,30 @@ /* FRV-specific support for 32-bit ELF. - Copyright 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + Free Software Foundation, Inc. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + 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 "elf-bfd.h" #include "elf/frv.h" -#include "elf/dwarf2.h" +#include "dwarf2.h" #include "hashtab.h" /* Forward declarations. */ @@ -880,8 +882,9 @@ struct frvfdpic_elf_link_hash_table /* Get the FRV ELF linker hash table from a link_info structure. */ -#define frvfdpic_hash_table(info) \ - ((struct frvfdpic_elf_link_hash_table *) ((info)->hash)) +#define frvfdpic_hash_table(p) \ + (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ + == FRV_ELF_DATA ? ((struct frvfdpic_elf_link_hash_table *) ((p)->hash)) : NULL) #define frvfdpic_got_section(info) \ (frvfdpic_hash_table (info)->sgot) @@ -1004,7 +1007,8 @@ frvfdpic_elf_link_hash_table_create (bfd *abfd) if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, _bfd_elf_link_hash_newfunc, - sizeof (struct elf_link_hash_entry))) + sizeof (struct elf_link_hash_entry), + FRV_ELF_DATA)) { free (ret); return NULL; @@ -1339,26 +1343,9 @@ _frvfdpic_add_rofixup (bfd *output_bfd, asection *rofixup, bfd_vma offset, static unsigned _frvfdpic_osec_to_segment (bfd *output_bfd, asection *osec) { - struct elf_segment_map *m; - Elf_Internal_Phdr *p; - - /* Find the segment that contains the output_section. */ - for (m = elf_tdata (output_bfd)->segment_map, - p = elf_tdata (output_bfd)->phdr; - m != NULL; - m = m->next, p++) - { - int i; - - for (i = m->count - 1; i >= 0; i--) - if (m->sections[i] == osec) - break; - - if (i >= 0) - break; - } + Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section (output_bfd, osec); - return p - elf_tdata (output_bfd)->phdr; + return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1; } inline static bfd_boolean @@ -1412,7 +1399,8 @@ _frvfdpic_emit_got_relocs_plt_entries (struct frvfdpic_relocs_info *entry, dynindx = entry->d.h->dynindx; else { - if (sec->output_section + if (sec + && sec->output_section && ! bfd_is_abs_section (sec->output_section) && ! bfd_is_und_section (sec->output_section)) dynindx = elf_section_data (sec->output_section)->dynindx; @@ -1694,8 +1682,9 @@ _frvfdpic_emit_got_relocs_plt_entries (struct frvfdpic_relocs_info *entry, of the section. For a non-local function, it's disregarded. */ lowword = ad; - if (entry->symndx == -1 && entry->d.h->dynindx != -1 - && entry->d.h->dynindx == idx) + if (sec == NULL + || (entry->symndx == -1 && entry->d.h->dynindx != -1 + && entry->d.h->dynindx == idx)) highword = 0; else highword = _frvfdpic_osec_to_segment @@ -2589,6 +2578,26 @@ frv_reloc_type_lookup (abfd, code) return NULL; } +static reloc_howto_type * +frv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < sizeof (elf32_frv_howto_table) / sizeof (elf32_frv_howto_table[0]); + i++) + if (elf32_frv_howto_table[i].name != NULL + && strcasecmp (elf32_frv_howto_table[i].name, r_name) == 0) + return &elf32_frv_howto_table[i]; + + if (strcasecmp (elf32_frv_vtinherit_howto.name, r_name) == 0) + return &elf32_frv_vtinherit_howto; + if (strcasecmp (elf32_frv_vtentry_howto.name, r_name) == 0) + return &elf32_frv_vtentry_howto; + + return NULL; +} + /* Set the howto pointer for an FRV ELF reloc. */ static void @@ -2722,9 +2731,6 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, int silence_segment_error = !(info->shared || info->pie); unsigned long insn; - if (info->relocatable) - return TRUE; - symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; sym_hashes = elf_sym_hashes (input_bfd); relend = relocs + input_section->reloc_count; @@ -2764,7 +2770,7 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, struct elf_link_hash_entry *h; bfd_vma relocation; bfd_reloc_status_type r; - const char * name = NULL; + const char *name; int r_type; asection *osec; struct frvfdpic_relocs_info *picrel; @@ -2776,7 +2782,6 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, || r_type == R_FRV_GNU_VTENTRY) continue; - /* This is a final link. */ r_symndx = ELF32_R_SYM (rel->r_info); howto = elf32_frv_howto_table + ELF32_R_TYPE (rel->r_info); h = NULL; @@ -2791,54 +2796,37 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, name = bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name); - name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; + if (name == NULL || name[0] == 0) + name = bfd_section_name (input_bfd, sec); } else { - h = sym_hashes [r_symndx - symtab_hdr->sh_info]; - - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; + bfd_boolean warned; + bfd_boolean unresolved_reloc; + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned); + osec = sec; name = h->root.root.string; + } - if ((h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak)) - { - if (/* TLSMOFF forces local binding. */ - r_type != R_FRV_TLSMOFF - && ! FRVFDPIC_SYM_LOCAL (info, h)) - { - sec = NULL; - relocation = 0; - } - else - { - sec = h->root.u.def.section; - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - } - else if (h->root.type == bfd_link_hash_undefweak) - { - relocation = 0; - } - else if (info->unresolved_syms_in_objects == RM_IGNORE - && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - relocation = 0; - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, - (info->unresolved_syms_in_objects == RM_GENERATE_ERROR - || ELF_ST_VISIBILITY (h->other))))) - return FALSE; - relocation = 0; - } - osec = sec; + if (sec != NULL && discarded_section (sec)) + RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, + rel, 1, relend, howto, 0, contents); + + if (info->relocatable) + continue; + + if (r_type != R_FRV_TLSMOFF + && h != NULL + && (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && !FRVFDPIC_SYM_LOCAL (info, h)) + { + osec = sec = NULL; + relocation = 0; } switch (r_type) @@ -2896,8 +2884,9 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, osec, sym, rel->r_addend)) { - (*_bfd_error_handler) - (_("%B(%A+0x%x): relocation to `%s+%x' may have caused the error above"), + info->callbacks->einfo + (_("%H: relocation to `%s+%v'" + " may have caused the error above\n"), input_bfd, input_section, rel->r_offset, name, rel->r_addend); return FALSE; } @@ -2907,11 +2896,15 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, default: non_fdpic: picrel = NULL; - if (h && ! FRVFDPIC_SYM_LOCAL (info, h)) + if (h + && ! FRVFDPIC_SYM_LOCAL (info, h) + && _bfd_elf_section_offset (output_bfd, info, input_section, + rel->r_offset) != (bfd_vma) -1) { - info->callbacks->warning - (info, _("relocation references symbol not defined in the module"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: relocation references symbol" + " not defined in the module\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } break; @@ -2984,10 +2977,9 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a call instruction? */ if ((insn & (unsigned long)0x01fc0000) != 0x003c0000) { - r = info->callbacks->warning - (info, - _("R_FRV_GETTLSOFF not applied to a call instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GETTLSOFF not applied to a call instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3026,10 +3018,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this an lddi instruction? */ if ((insn & (unsigned long)0x01fc0000) != 0x00cc0000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSDESC12 not applied to an lddi instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSDESC12" + " not applied to an lddi instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3097,10 +3089,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a sethi instruction? */ if ((insn & (unsigned long)0x01ff0000) != 0x00f80000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSDESCHI not applied to a sethi instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSDESCHI" + " not applied to a sethi instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3134,11 +3126,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a setlo or setlos instruction? */ if ((insn & (unsigned long)0x01f70000) != 0x00f40000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSDESCLO" - " not applied to a setlo or setlos instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSDESCLO" + " not applied to a setlo or setlos instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3182,10 +3173,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this an ldd instruction? */ if ((insn & (unsigned long)0x01fc0fc0) != 0x00080140) { - r = info->callbacks->warning - (info, - _("R_FRV_TLSDESC_RELAX not applied to an ldd instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_TLSDESC_RELAX" + " not applied to an ldd instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3266,11 +3257,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a calll or callil instruction? */ if ((insn & (unsigned long)0x7ff80fc0) != 0x02300000) { - r = info->callbacks->warning - (info, - _("R_FRV_GETTLSOFF_RELAX" - " not applied to a calll instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GETTLSOFF_RELAX" + " not applied to a calll instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3321,10 +3311,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this an ldi instruction? */ if ((insn & (unsigned long)0x01fc0000) != 0x00c80000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSOFF12 not applied to an ldi instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSOFF12" + " not applied to an ldi instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3351,10 +3341,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a sethi instruction? */ if ((insn & (unsigned long)0x01ff0000) != 0x00f80000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSOFFHI not applied to a sethi instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSOFFHI" + " not applied to a sethi instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3380,11 +3370,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a setlo or setlos instruction? */ if ((insn & (unsigned long)0x01f70000) != 0x00f40000) { - r = info->callbacks->warning - (info, - _("R_FRV_GOTTLSOFFLO" - " not applied to a setlo or setlos instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_GOTTLSOFFLO" + " not applied to a setlo or setlos instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3411,10 +3400,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this an ld instruction? */ if ((insn & (unsigned long)0x01fc0fc0) != 0x00080100) { - r = info->callbacks->warning - (info, - _("R_FRV_TLSOFF_RELAX not applied to an ld instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_TLSOFF_RELAX" + " not applied to an ld instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3456,10 +3445,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a sethi instruction? */ if ((insn & (unsigned long)0x01ff0000) != 0x00f80000) { - r = info->callbacks->warning - (info, - _("R_FRV_TLSMOFFHI not applied to a sethi instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_TLSMOFFHI" + " not applied to a sethi instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3483,11 +3472,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, /* Is this a setlo or setlos instruction? */ if ((insn & (unsigned long)0x01f70000) != 0x00f40000) { - r = info->callbacks->warning - (info, - _("R_FRV_TLSMOFFLO" - " not applied to a setlo or setlos instruction"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("R_FRV_TLSMOFFLO" + " not applied to a setlo or setlos instruction\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } @@ -3605,9 +3593,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, { if (addend) { - info->callbacks->warning - (info, _("R_FRV_FUNCDESC references dynamic symbol with nonzero addend"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_FUNCDESC references dynamic symbol" + " with nonzero addend\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } dynindx = h->dynindx; @@ -3639,51 +3628,61 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, input_section->output_section) & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD)) { + bfd_vma offset; + if (_frvfdpic_osec_readonly_p (output_bfd, input_section ->output_section)) { - info->callbacks->warning - (info, - _("cannot emit fixups in read-only section"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: cannot emit fixups" + " in read-only section\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } - _frvfdpic_add_rofixup (output_bfd, - frvfdpic_gotfixup_section - (info), - _bfd_elf_section_offset - (output_bfd, info, - input_section, rel->r_offset) - + input_section - ->output_section->vma - + input_section->output_offset, - picrel); + + offset = _bfd_elf_section_offset + (output_bfd, info, + input_section, rel->r_offset); + + if (offset != (bfd_vma)-1) + _frvfdpic_add_rofixup (output_bfd, + frvfdpic_gotfixup_section + (info), + offset + input_section + ->output_section->vma + + input_section->output_offset, + picrel); } } else if ((bfd_get_section_flags (output_bfd, input_section->output_section) & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD)) { + bfd_vma offset; + if (_frvfdpic_osec_readonly_p (output_bfd, input_section ->output_section)) { - info->callbacks->warning - (info, - _("cannot emit dynamic relocations in read-only section"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: cannot emit dynamic relocations" + " in read-only section\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } - _frvfdpic_add_dyn_reloc (output_bfd, - frvfdpic_gotrel_section (info), - _bfd_elf_section_offset - (output_bfd, info, - input_section, rel->r_offset) - + input_section - ->output_section->vma - + input_section->output_offset, - r_type, dynindx, addend, picrel); + + offset = _bfd_elf_section_offset + (output_bfd, info, + input_section, rel->r_offset); + + if (offset != (bfd_vma)-1) + _frvfdpic_add_dyn_reloc (output_bfd, + frvfdpic_gotrel_section (info), + offset + input_section + ->output_section->vma + + input_section->output_offset, + r_type, dynindx, addend, picrel); } else addend += frvfdpic_got_section (info)->output_section->vma; @@ -3715,9 +3714,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, { if (addend && r_type == R_FRV_FUNCDESC_VALUE) { - info->callbacks->warning - (info, _("R_FRV_FUNCDESC_VALUE references dynamic symbol with nonzero addend"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: R_FRV_FUNCDESC_VALUE" + " references dynamic symbol with nonzero addend\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } dynindx = h->dynindx; @@ -3756,33 +3756,34 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, input_section ->output_section)) { - info->callbacks->warning - (info, - _("cannot emit fixups in read-only section"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: cannot emit fixups in read-only section\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } if (!h || h->root.type != bfd_link_hash_undefweak) { - _frvfdpic_add_rofixup (output_bfd, - frvfdpic_gotfixup_section - (info), - _bfd_elf_section_offset - (output_bfd, info, - input_section, rel->r_offset) - + input_section - ->output_section->vma - + input_section->output_offset, - picrel); - if (r_type == R_FRV_FUNCDESC_VALUE) - _frvfdpic_add_rofixup - (output_bfd, - frvfdpic_gotfixup_section (info), - _bfd_elf_section_offset - (output_bfd, info, - input_section, rel->r_offset) - + input_section->output_section->vma - + input_section->output_offset + 4, picrel); + bfd_vma offset = _bfd_elf_section_offset + (output_bfd, info, + input_section, rel->r_offset); + + if (offset != (bfd_vma)-1) + { + _frvfdpic_add_rofixup (output_bfd, + frvfdpic_gotfixup_section + (info), + offset + input_section + ->output_section->vma + + input_section->output_offset, + picrel); + if (r_type == R_FRV_FUNCDESC_VALUE) + _frvfdpic_add_rofixup + (output_bfd, + frvfdpic_gotfixup_section (info), + offset + + input_section->output_section->vma + + input_section->output_offset + 4, picrel); + } } } } @@ -3792,25 +3793,30 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, input_section->output_section) & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD)) { + bfd_vma offset; + if (_frvfdpic_osec_readonly_p (output_bfd, input_section ->output_section)) { - info->callbacks->warning - (info, - _("cannot emit dynamic relocations in read-only section"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: cannot emit dynamic relocations" + " in read-only section\n"), + input_bfd, input_section, rel->r_offset); return FALSE; } - _frvfdpic_add_dyn_reloc (output_bfd, - frvfdpic_gotrel_section (info), - _bfd_elf_section_offset - (output_bfd, info, - input_section, rel->r_offset) - + input_section - ->output_section->vma - + input_section->output_offset, - r_type, dynindx, addend, picrel); + + offset = _bfd_elf_section_offset + (output_bfd, info, + input_section, rel->r_offset); + + if (offset != (bfd_vma)-1) + _frvfdpic_add_dyn_reloc (output_bfd, + frvfdpic_gotrel_section (info), + offset + input_section + ->output_section->vma + + input_section->output_offset, + r_type, dynindx, addend, picrel); } else if (osec) addend += osec->output_section->vma; @@ -3952,10 +3958,10 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, if (silence_segment_error == 1) silence_segment_error = (strlen (input_bfd->filename) == 6 - && strcmp (input_bfd->filename, "crt0.o") == 0) + && filename_cmp (input_bfd->filename, "crt0.o") == 0) || (strlen (input_bfd->filename) > 6 - && strcmp (input_bfd->filename - + strlen (input_bfd->filename) - 7, + && filename_cmp (input_bfd->filename + + strlen (input_bfd->filename) - 7, "/crt0.o") == 0) ? -1 : 0; if (!silence_segment_error @@ -3964,16 +3970,9 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, && !(picrel && picrel->symndx == -1 && picrel->d.h->root.type == bfd_link_hash_undefined)) { - if (info->shared || info->pie) - (*_bfd_error_handler) - (_("%B(%A+0x%lx): reloc against `%s': %s"), - input_bfd, input_section, (long)rel->r_offset, name, - _("relocation references a different segment")); - else - info->callbacks->warning - (info, - _("relocation references a different segment"), - name, input_bfd, input_section, rel->r_offset); + info->callbacks->einfo + (_("%H: reloc against `%s' references a different segment\n"), + input_bfd, input_section, rel->r_offset, name); } if (!silence_segment_error && (info->shared || info->pie)) return FALSE; @@ -4121,9 +4120,9 @@ elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, if (msg) { - (*_bfd_error_handler) - (_("%B(%A+0x%lx): reloc against `%s': %s"), - input_bfd, input_section, (long)rel->r_offset, name, msg); + info->callbacks->einfo + (_("%H: reloc against `%s': %s\n"), + input_bfd, input_section, rel->r_offset, name, msg); return FALSE; } @@ -5596,6 +5595,119 @@ elf32_frvfdpic_always_size_sections (bfd *output_bfd, return TRUE; } +/* Check whether any of the relocations was optimized away, and + subtract it from the relocation or fixup count. */ +static bfd_boolean +_frvfdpic_check_discarded_relocs (bfd *abfd, asection *sec, + struct bfd_link_info *info, + + bfd_boolean *changed) +{ + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + Elf_Internal_Rela *rel, *erel; + + if ((sec->flags & SEC_RELOC) == 0 + || sec->reloc_count == 0) + return TRUE; + + symtab_hdr = &elf_tdata (abfd)->symtab_hdr; + sym_hashes = elf_sym_hashes (abfd); + + rel = elf_section_data (sec)->relocs; + + /* Now examine each relocation. */ + for (erel = rel + sec->reloc_count; rel < erel; rel++) + { + struct elf_link_hash_entry *h; + unsigned long r_symndx; + struct frvfdpic_relocs_info *picrel; + struct _frvfdpic_dynamic_got_info *dinfo; + + if (ELF32_R_TYPE (rel->r_info) != R_FRV_32 + && ELF32_R_TYPE (rel->r_info) != R_FRV_FUNCDESC) + continue; + + if (_bfd_elf_section_offset (sec->output_section->owner, + info, sec, rel->r_offset) + != (bfd_vma)-1) + continue; + + r_symndx = ELF32_R_SYM (rel->r_info); + if (r_symndx < symtab_hdr->sh_info) + h = NULL; + else + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *)h->root.u.i.link; + } + + if (h != NULL) + picrel = frvfdpic_relocs_info_for_global (frvfdpic_relocs_info (info), + abfd, h, + rel->r_addend, NO_INSERT); + else + picrel = frvfdpic_relocs_info_for_local (frvfdpic_relocs_info (info), + abfd, r_symndx, + rel->r_addend, NO_INSERT); + + if (! picrel) + return FALSE; + + *changed = TRUE; + dinfo = frvfdpic_dynamic_got_plt_info (info); + + _frvfdpic_count_relocs_fixups (picrel, dinfo, TRUE); + if (ELF32_R_TYPE (rel->r_info) == R_FRV_32) + picrel->relocs32--; + else /* we know (ELF32_R_TYPE (rel->r_info) == R_FRV_FUNCDESC) */ + picrel->relocsfd--; + _frvfdpic_count_relocs_fixups (picrel, dinfo, FALSE); + } + + return TRUE; +} + +static bfd_boolean +frvfdpic_elf_discard_info (bfd *ibfd, + struct elf_reloc_cookie *cookie ATTRIBUTE_UNUSED, + struct bfd_link_info *info) +{ + bfd_boolean changed = FALSE; + asection *s; + bfd *obfd = NULL; + + /* Account for relaxation of .eh_frame section. */ + for (s = ibfd->sections; s; s = s->next) + if (s->sec_info_type == SEC_INFO_TYPE_EH_FRAME) + { + if (!_frvfdpic_check_discarded_relocs (ibfd, s, info, &changed)) + return FALSE; + obfd = s->output_section->owner; + } + + if (changed) + { + struct _frvfdpic_dynamic_got_plt_info gpinfo; + + memset (&gpinfo, 0, sizeof (gpinfo)); + memcpy (&gpinfo.g, frvfdpic_dynamic_got_plt_info (info), + sizeof (gpinfo.g)); + + /* Clear GOT and PLT assignments. */ + htab_traverse (frvfdpic_relocs_info (info), + _frvfdpic_reset_got_plt_entries, + NULL); + + if (!_frvfdpic_size_got_plt (obfd, &gpinfo)) + return FALSE; + } + + return TRUE; +} + /* Look for opportunities to relax TLS relocations. We can assume we're linking the main executable or a static-tls library, since otherwise we wouldn't have got here. */ @@ -5617,6 +5729,10 @@ elf32_frvfdpic_relax_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, { struct _frvfdpic_dynamic_got_plt_info gpinfo; + if (info->relocatable) + (*info->callbacks->einfo) + (_("%P%F: --relax and -r may not be used together\n")); + /* If we return early, we didn't change anything. */ *again = FALSE; @@ -5760,8 +5876,8 @@ elf32_frvfdpic_finish_dynamic_sections (bfd *output_bfd, != (frvfdpic_gotfixup_section (info)->reloc_count * 4)) { error: - (*_bfd_error_handler) - ("LINKER BUG: .rofixup section size mismatch"); + info->callbacks->einfo + ("LINKER BUG: .rofixup section size mismatch\n"); return FALSE; } @@ -5769,7 +5885,8 @@ elf32_frvfdpic_finish_dynamic_sections (bfd *output_bfd, FALSE, FALSE, TRUE); if (hend && (hend->type == bfd_link_hash_defined - || hend->type == bfd_link_hash_defweak)) + || hend->type == bfd_link_hash_defweak) + && hend->u.def.section->output_section != NULL) { bfd_vma value = frvfdpic_gotfixup_section (info)->output_section->vma @@ -6040,7 +6157,7 @@ elf32_frv_check_relocs (abfd, info, sec, relocs) const Elf_Internal_Rela *relocs; { Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; + struct elf_link_hash_entry **sym_hashes; const Elf_Internal_Rela *rel; const Elf_Internal_Rela *rel_end; bfd *dynobj; @@ -6051,9 +6168,6 @@ elf32_frv_check_relocs (abfd, info, sec, relocs) symtab_hdr = &elf_tdata (abfd)->symtab_hdr; sym_hashes = elf_sym_hashes (abfd); - sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf32_External_Sym); - if (!elf_bad_symtab (abfd)) - sym_hashes_end -= symtab_hdr->sh_info; dynobj = elf_hash_table (info)->dynobj; rel_end = relocs + sec->reloc_count; @@ -6261,7 +6375,9 @@ elf32_frv_check_relocs (abfd, info, sec, relocs) /* This relocation describes which C++ vtable entries are actually used. Record for later use during GC. */ case R_FRV_GNU_VTENTRY: - if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) + BFD_ASSERT (h != NULL); + if (h != NULL + && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) return FALSE; break; @@ -6280,8 +6396,8 @@ elf32_frv_check_relocs (abfd, info, sec, relocs) default: bad_reloc: - (*_bfd_error_handler) - (_("%B: unsupported relocation type %i"), + info->callbacks->einfo + (_("%B: unsupported relocation type %i\n"), abfd, ELF32_R_TYPE (rel->r_info)); return FALSE; } @@ -6352,6 +6468,10 @@ frv_elf_copy_private_bfd_data (ibfd, obfd) elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; elf_flags_init (obfd) = TRUE; + + /* Copy object attributes. */ + _bfd_elf_copy_obj_attributes (ibfd, obfd); + return TRUE; } @@ -6714,7 +6834,7 @@ frv_elf_print_private_bfd_data (abfd, ptr) _bfd_elf_print_private_bfd_data (abfd, ptr); flags = elf_elfheader (abfd)->e_flags; - fprintf (file, _("private flags = 0x%lx:"), (long)flags); + fprintf (file, _("private flags = 0x%lx:"), (unsigned long) flags); switch (flags & EF_FRV_CPU_MASK) { @@ -6805,7 +6925,7 @@ elf32_frv_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); /* `pr_pid' is at offset 24. */ - 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' is at offset 72. */ offset = 72; @@ -6864,6 +6984,7 @@ elf32_frv_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) return TRUE; } #define ELF_ARCH bfd_arch_frv +#define ELF_TARGET_ID FRV_ELF_DATA #define ELF_MACHINE_CODE EM_CYGNUS_FRV #define ELF_MAXPAGESIZE 0x1000 @@ -6881,6 +7002,7 @@ elf32_frv_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) #define elf_backend_rela_normal 1 #define bfd_elf32_bfd_reloc_type_lookup frv_reloc_type_lookup +#define bfd_elf32_bfd_reloc_name_lookup frv_reloc_name_lookup #define bfd_elf32_bfd_set_private_flags frv_elf_set_private_flags #define bfd_elf32_bfd_copy_private_bfd_data frv_elf_copy_private_bfd_data #define bfd_elf32_bfd_merge_private_bfd_data frv_elf_merge_private_bfd_data @@ -6946,6 +7068,9 @@ elf32_frv_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) #define elf_backend_finish_dynamic_sections \ elf32_frvfdpic_finish_dynamic_sections +#undef elf_backend_discard_info +#define elf_backend_discard_info \ + frvfdpic_elf_discard_info #undef elf_backend_can_make_relative_eh_frame #define elf_backend_can_make_relative_eh_frame \ frvfdpic_elf_use_relative_eh_frame