/* ELF executable support for BFD.
- Copyright 1993, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright 1993, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
static INLINE int sym_is_global PARAMS ((bfd *, asymbol *));
static boolean elf_map_symbols PARAMS ((bfd *));
static bfd_size_type get_program_header_size PARAMS ((bfd *));
+static boolean elfcore_read_notes PARAMS ((bfd *, bfd_vma, bfd_vma));
/* Swap version information in and out. The version information is
currently size independent. If that ever changes, this code will
/* Standard ELF hash function. Do not change this function; you will
cause invalid hash tables to be generated. */
+
unsigned long
-bfd_elf_hash (name)
- CONST unsigned char *name;
+bfd_elf_hash (namearg)
+ const char *namearg;
{
+ const unsigned char *name = (const unsigned char *) namearg;
unsigned long h = 0;
unsigned long g;
int ch;
input_section,
output_bfd,
error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
- PTR data;
+ PTR data ATTRIBUTE_UNUSED;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
case bfd_print_symbol_all:
{
CONST char *section_name;
+ CONST char *name = NULL;
+ struct elf_backend_data *bed;
+ unsigned char st_other;
+
section_name = symbol->section ? symbol->section->name : "(*none*)";
- bfd_print_symbol_vandf ((PTR) file, symbol);
+
+ bed = get_elf_backend_data (abfd);
+ if (bed->elf_backend_print_symbol_all)
+ name = (*bed->elf_backend_print_symbol_all) (abfd, filep, symbol);
+
+ if (name == NULL)
+ {
+ name = symbol->name;
+ bfd_print_symbol_vandf ((PTR) file, symbol);
+ }
+
fprintf (file, " %s\t", section_name);
/* Print the "other" value for a symbol. For common symbols,
we've already printed the size; now print the alignment.
}
/* If the st_other field is not zero, print it. */
- if (((elf_symbol_type *) symbol)->internal_elf_sym.st_other != 0)
- fprintf (file, " 0x%02x",
- ((unsigned int)
- ((elf_symbol_type *) symbol)->internal_elf_sym.st_other));
+ st_other = ((elf_symbol_type *) symbol)->internal_elf_sym.st_other;
+
+ switch (st_other)
+ {
+ case 0: break;
+ case STV_INTERNAL: fprintf (file, " .internal"); break;
+ case STV_HIDDEN: fprintf (file, " .hidden"); break;
+ case STV_PROTECTED: fprintf (file, " .protected"); break;
+ default:
+ /* Some other non-defined flags are also present, so print
+ everything hex. */
+ fprintf (file, " 0x%02x", (unsigned int) st_other);
+ }
- fprintf (file, " %s", symbol->name);
+ fprintf (file, " %s", name);
}
break;
}
ret->linker_section_pointer = (elf_linker_section_pointers_t *)0;
ret->verinfo.verdef = NULL;
ret->vtable_entries_used = NULL;
+ ret->vtable_entries_size = 0;
ret->vtable_parent = NULL;
ret->type = STT_NOTYPE;
ret->other = 0;
struct bfd_link_needed_list *
bfd_elf_get_needed_list (abfd, info)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
if (info->hash->creator->flavour != bfd_target_elf_flavour)
asection *target_sect;
Elf_Internal_Shdr *hdr2;
+ /* Check for a bogus link to avoid crashing. */
+ if (hdr->sh_link >= ehdr->e_shnum)
+ {
+ ((*_bfd_error_handler)
+ (_("%s: invalid link %lu for reloc section %s (index %u)"),
+ bfd_get_filename (abfd), hdr->sh_link, name, shindex));
+ return _bfd_elf_make_section_from_shdr (abfd, hdr, name);
+ }
+
/* For some incomprehensible reason Oracle distributes
libraries for Solaris in which some of the objects have
bogus sh_link fields. It would be nice if we could just
target_sect->flags |= SEC_RELOC;
target_sect->relocation = NULL;
target_sect->rel_filepos = hdr->sh_offset;
+ /* In the section to which the relocations apply, mark whether
+ its relocations are of the REL or RELA variety. */
+ elf_section_data (target_sect)->use_rela_p
+ = (hdr->sh_type == SHT_RELA);
abfd->flags |= HAS_RELOC;
return true;
}
{
struct bfd_elf_section_data *sdata;
- sdata = (struct bfd_elf_section_data *) bfd_alloc (abfd, sizeof (*sdata));
+ sdata = (struct bfd_elf_section_data *) bfd_zalloc (abfd, sizeof (*sdata));
if (!sdata)
return false;
sec->used_by_bfd = (PTR) sdata;
- memset (sdata, 0, sizeof (*sdata));
+
+ /* Indicate whether or not this section should use RELA relocations. */
+ sdata->use_rela_p
+ = get_elf_backend_data (abfd)->default_use_rela_p;
+
return true;
}
*/
boolean
-bfd_section_from_phdr (abfd, hdr, index)
+_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename)
bfd *abfd;
Elf_Internal_Phdr *hdr;
int index;
+ const char *typename;
{
asection *newsect;
char *name;
split = ((hdr->p_memsz > 0)
&& (hdr->p_filesz > 0)
&& (hdr->p_memsz > hdr->p_filesz));
- sprintf (namebuf, split ? "segment%da" : "segment%d", index);
+ sprintf (namebuf, "%s%d%s", typename, index, split ? "a" : "");
name = bfd_alloc (abfd, strlen (namebuf) + 1);
if (!name)
return false;
if (split)
{
- sprintf (namebuf, "segment%db", index);
+ sprintf (namebuf, "%s%db", typename, index);
name = bfd_alloc (abfd, strlen (namebuf) + 1);
if (!name)
return false;
return true;
}
+boolean
+bfd_section_from_phdr (abfd, hdr, index)
+ bfd *abfd;
+ Elf_Internal_Phdr *hdr;
+ int index;
+{
+ struct elf_backend_data *bed;
+
+ switch (hdr->p_type)
+ {
+ case PT_NULL:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "null");
+
+ case PT_LOAD:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "load");
+
+ case PT_DYNAMIC:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "dynamic");
+
+ case PT_INTERP:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "interp");
+
+ case PT_NOTE:
+ if (! _bfd_elf_make_section_from_phdr (abfd, hdr, index, "note"))
+ return false;
+ if (! elfcore_read_notes (abfd, hdr->p_offset, hdr->p_filesz))
+ return false;
+ return true;
+
+ case PT_SHLIB:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "shlib");
+
+ case PT_PHDR:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "phdr");
+
+ default:
+ /* Check for any processor-specific program segment types.
+ If no handler for them, default to making "segment" sections. */
+ bed = get_elf_backend_data (abfd);
+ if (bed->elf_backend_section_from_phdr)
+ return (*bed->elf_backend_section_from_phdr) (abfd, hdr, index);
+ else
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "segment");
+ }
+}
+
+/* Initialize REL_HDR, the section-header for new section, containing
+ relocations against ASECT. If USE_RELA_P is true, we use RELA
+ relocations; otherwise, we use REL relocations. */
+
+boolean
+_bfd_elf_init_reloc_shdr (abfd, rel_hdr, asect, use_rela_p)
+ bfd *abfd;
+ Elf_Internal_Shdr *rel_hdr;
+ asection *asect;
+ boolean use_rela_p;
+{
+ char *name;
+ struct elf_backend_data *bed;
+
+ bed = get_elf_backend_data (abfd);
+ name = bfd_alloc (abfd, sizeof ".rela" + strlen (asect->name));
+ if (name == NULL)
+ return false;
+ sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", asect->name);
+ rel_hdr->sh_name =
+ (unsigned int) _bfd_stringtab_add (elf_shstrtab (abfd), name,
+ true, false);
+ if (rel_hdr->sh_name == (unsigned int) -1)
+ return false;
+ rel_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL;
+ rel_hdr->sh_entsize = (use_rela_p
+ ? bed->s->sizeof_rela
+ : bed->s->sizeof_rel);
+ rel_hdr->sh_addralign = bed->s->file_align;
+ rel_hdr->sh_flags = 0;
+ rel_hdr->sh_addr = 0;
+ rel_hdr->sh_size = 0;
+ rel_hdr->sh_offset = 0;
+
+ return true;
+}
+
/* Set up an ELF internal section header for a section. */
/*ARGSUSED*/
else if (strcmp (asect->name, ".hash") == 0)
{
this_hdr->sh_type = SHT_HASH;
- this_hdr->sh_entsize = bed->s->arch_size / 8;
+ this_hdr->sh_entsize = bed->s->sizeof_hash_entry;
}
else if (strcmp (asect->name, ".dynsym") == 0)
{
this_hdr->sh_entsize = bed->s->sizeof_dyn;
}
else if (strncmp (asect->name, ".rela", 5) == 0
- && get_elf_backend_data (abfd)->use_rela_p)
+ && get_elf_backend_data (abfd)->may_use_rela_p)
{
this_hdr->sh_type = SHT_RELA;
this_hdr->sh_entsize = bed->s->sizeof_rela;
}
else if (strncmp (asect->name, ".rel", 4) == 0
- && ! get_elf_backend_data (abfd)->use_rela_p)
+ && get_elf_backend_data (abfd)->may_use_rel_p)
{
this_hdr->sh_type = SHT_REL;
this_hdr->sh_entsize = bed->s->sizeof_rel;
this_hdr->sh_flags |= SHF_EXECINSTR;
/* Check for processor-specific section types. */
- {
- struct elf_backend_data *bed = get_elf_backend_data (abfd);
-
- if (bed->elf_backend_fake_sections)
- (*bed->elf_backend_fake_sections) (abfd, this_hdr, asect);
- }
+ if (bed->elf_backend_fake_sections)
+ (*bed->elf_backend_fake_sections) (abfd, this_hdr, asect);
/* If the section has relocs, set up a section header for the
- SHT_REL[A] section. */
- if ((asect->flags & SEC_RELOC) != 0)
- {
- Elf_Internal_Shdr *rela_hdr;
- int use_rela_p = get_elf_backend_data (abfd)->use_rela_p;
- char *name;
-
- rela_hdr = &elf_section_data (asect)->rel_hdr;
- name = bfd_alloc (abfd, sizeof ".rela" + strlen (asect->name));
- if (name == NULL)
- {
- *failedptr = true;
- return;
- }
- sprintf (name, "%s%s", use_rela_p ? ".rela" : ".rel", asect->name);
- rela_hdr->sh_name =
- (unsigned int) _bfd_stringtab_add (elf_shstrtab (abfd), name,
- true, false);
- if (rela_hdr->sh_name == (unsigned int) -1)
- {
- *failedptr = true;
- return;
- }
- rela_hdr->sh_type = use_rela_p ? SHT_RELA : SHT_REL;
- rela_hdr->sh_entsize = (use_rela_p
- ? bed->s->sizeof_rela
- : bed->s->sizeof_rel);
- rela_hdr->sh_addralign = bed->s->file_align;
- rela_hdr->sh_flags = 0;
- rela_hdr->sh_addr = 0;
- rela_hdr->sh_size = 0;
- rela_hdr->sh_offset = 0;
- }
+ SHT_REL[A] section. If two relocation sections are required for
+ this section, it is up to the processor-specific back-end to
+ create the other. */
+ if ((asect->flags & SEC_RELOC) != 0
+ && !_bfd_elf_init_reloc_shdr (abfd,
+ &elf_section_data (asect)->rel_hdr,
+ asect,
+ elf_section_data (asect)->use_rela_p))
+ *failedptr = true;
}
/* Assign all ELF section numbers. The dummy first section is handled here
d->rel_idx = 0;
else
d->rel_idx = section_number++;
+
+ if (d->rel_hdr2)
+ d->rel_idx2 = section_number++;
+ else
+ d->rel_idx2 = 0;
}
t->shstrtab_section = section_number++;
elf_elfheader (abfd)->e_shstrndx = t->shstrtab_section;
t->shstrtab_hdr.sh_size = _bfd_stringtab_size (elf_shstrtab (abfd));
- if (abfd->symcount > 0)
+ if (bfd_get_symcount (abfd) > 0)
{
t->symtab_section = section_number++;
t->strtab_section = section_number++;
elf_elfsections (abfd) = i_shdrp;
i_shdrp[t->shstrtab_section] = &t->shstrtab_hdr;
- if (abfd->symcount > 0)
+ if (bfd_get_symcount (abfd) > 0)
{
i_shdrp[t->symtab_section] = &t->symtab_hdr;
i_shdrp[t->strtab_section] = &t->strtab_hdr;
i_shdrp[d->this_idx] = &d->this_hdr;
if (d->rel_idx != 0)
i_shdrp[d->rel_idx] = &d->rel_hdr;
+ if (d->rel_idx2 != 0)
+ i_shdrp[d->rel_idx2] = d->rel_hdr2;
/* Fill in the sh_link and sh_info fields while we're at it. */
d->rel_hdr.sh_link = t->symtab_section;
d->rel_hdr.sh_info = d->this_idx;
}
+ if (d->rel_idx2 != 0)
+ {
+ d->rel_hdr2->sh_link = t->symtab_section;
+ d->rel_hdr2->sh_info = d->this_idx;
+ }
switch (d->this_hdr.sh_type)
{
int idx;
asection *asect;
asymbol **new_syms;
+ asymbol *sym;
#ifdef DEBUG
fprintf (stderr, "elf_map_symbols\n");
for (idx = 0; idx < symcount; idx++)
{
- if ((syms[idx]->flags & BSF_SECTION_SYM) != 0
- && syms[idx]->value == 0)
+ sym = syms[idx];
+
+ if ((sym->flags & BSF_SECTION_SYM) != 0
+ && sym->value == 0)
{
asection *sec;
- sec = syms[idx]->section;
+ sec = sym->section;
+
if (sec->owner != NULL)
{
if (sec->owner != abfd)
{
if (sec->output_offset != 0)
continue;
+
sec = sec->output_section;
+
+ /* Empty sections in the input files may have had a section
+ symbol created for them. (See the comment near the end of
+ _bfd_generic_link_output_symbols in linker.c). If the linker
+ script discards such sections then we will reach this point.
+ Since we know that we cannot avoid this case, we detect it
+ and skip the abort and the assignment to the sect_syms array.
+ To reproduce this particular case try running the linker
+ testsuite test ld-scripts/weak.exp for an ELF port that uses
+ the generic linker. */
+ if (sec->owner == NULL)
+ continue;
+
BFD_ASSERT (sec->owner == abfd);
}
sect_syms[sec->index] = syms[idx];
for (asect = abfd->sections; asect; asect = asect->next)
{
- asymbol *sym;
-
if (sect_syms[asect->index] != NULL)
continue;
if (! prep_headers (abfd))
return false;
+ /* Post process the headers if necessary. */
+ if (bed->elf_backend_post_process_headers)
+ (*bed->elf_backend_post_process_headers) (abfd, link_info);
+
failed = false;
bfd_map_over_sections (abfd, elf_fake_sections, &failed);
if (failed)
return false;
/* The backend linker builds symbol table information itself. */
- if (link_info == NULL && abfd->symcount > 0)
+ if (link_info == NULL && bfd_get_symcount (abfd) > 0)
{
/* Non-zero if doing a relocatable link. */
int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC));
if (!assign_file_positions_except_relocs (abfd))
return false;
- if (link_info == NULL && abfd->symcount > 0)
+ if (link_info == NULL && bfd_get_symcount (abfd) > 0)
{
file_ptr off;
Elf_Internal_Shdr *hdr;
elf_sort_sections);
p->p_type = m->p_type;
-
- if (m->p_flags_valid)
- p->p_flags = m->p_flags;
- else
- p->p_flags = 0;
+ p->p_flags = m->p_flags;
if (p->p_type == PT_LOAD
&& m->count > 0
if ((abfd->flags & D_PAGED) != 0)
off += (m->sections[0]->vma - off) % bed->maxpagesize;
else
- off += ((m->sections[0]->vma - off)
- % (1 << bfd_get_section_alignment (abfd, m->sections[0])));
+ {
+ bfd_size_type align;
+
+ align = 0;
+ for (i = 0, secpp = m->sections; i < m->count; i++, secpp++)
+ {
+ bfd_size_type secalign;
+
+ secalign = bfd_get_section_alignment (abfd, *secpp);
+ if (secalign > align)
+ align = secalign;
+ }
+
+ off += (m->sections[0]->vma - off) % (1 << align);
+ }
}
if (m->count == 0)
}
if (p->p_type == PT_LOAD
- || (p->p_type == PT_NOTE && abfd->format == bfd_core))
+ || (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core))
{
if (! m->includes_filehdr && ! m->includes_phdrs)
p->p_offset = off;
voff += sec->_raw_size;
}
- if (p->p_type == PT_NOTE && abfd->format == bfd_core)
+ if (p->p_type == PT_NOTE && bfd_get_format (abfd) == bfd_core)
{
if (i == 0) /* the actual "note" segment */
{ /* this one actually contains everything. */
if ((flags & SEC_LOAD) != 0)
p->p_filesz += sec->_raw_size;
- if (align > p->p_align)
+ if (align > p->p_align
+ && (p->p_type != PT_LOAD || (abfd->flags & D_PAGED) == 0))
p->p_align = align;
}
struct elf_backend_data *bed = get_elf_backend_data (abfd);
if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0
- && abfd->format != bfd_core)
+ && bfd_get_format (abfd) != bfd_core)
{
Elf_Internal_Shdr **hdrpp;
unsigned int i;
bfd_big_endian (abfd) ? ELFDATA2MSB : ELFDATA2LSB;
i_ehdrp->e_ident[EI_VERSION] = bed->s->ev_current;
+ i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_SYSV;
+ i_ehdrp->e_ident[EI_ABIVERSION] = 0;
+
for (count = EI_PAD; count < EI_NIDENT; count++)
i_ehdrp->e_ident[count] = 0;
case bfd_arch_i860:
i_ehdrp->e_machine = EM_860;
break;
+ case bfd_arch_i960:
+ i_ehdrp->e_machine = EM_960;
+ break;
case bfd_arch_mips: /* MIPS Rxxxx */
i_ehdrp->e_machine = EM_MIPS; /* only MIPS R3000 */
break;
case bfd_arch_fr30:
i_ehdrp->e_machine = EM_CYGNUS_FR30;
break;
+ case bfd_arch_mcore:
+ i_ehdrp->e_machine = EM_MCORE;
+ break;
case bfd_arch_v850:
switch (bfd_get_mach (abfd))
{
case bfd_arch_mn10300:
i_ehdrp->e_machine = EM_CYGNUS_MN10300;
break;
+ case bfd_arch_pj:
+ i_ehdrp->e_machine = EM_PJ;
+ break;
/* also note that EM_M32, AT&T WE32100 is unknown to bfd */
default:
i_ehdrp->e_machine = EM_NONE;
#define IS_COREFILE_NOTE(p, s) \
(p->p_type == PT_NOTE \
- && ibfd->format == bfd_core \
+ && bfd_get_format (ibfd) == bfd_core \
&& s->vma == 0 && s->lma == 0 \
&& (bfd_vma) s->filepos >= p->p_offset \
&& (bfd_vma) s->filepos + s->_raw_size \
m->includes_filehdr = (p->p_offset == 0
&& p->p_filesz >= iehdr->e_ehsize);
+ m->includes_phdrs = 0;
+
if (! phdr_included || p->p_type != PT_LOAD)
{
m->includes_phdrs =
|| ihdr->sh_type == SHT_GNU_verdef)
ohdr->sh_info = ihdr->sh_info;
+ elf_section_data (osec)->use_rela_p
+ = elf_section_data (isec)->use_rela_p;
+
return true;
}
long
_bfd_elf_get_reloc_upper_bound (abfd, asect)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
sec_ptr asect;
{
return (asect->reloc_count + 1) * sizeof (arelent *);
void
_bfd_elf_get_symbol_info (ignore_abfd, symbol, ret)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
symbol_info *ret;
{
boolean
_bfd_elf_is_local_label_name (abfd, name)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
const char *name;
{
/* Normal local symbols start with ``.L''. */
alent *
_bfd_elf_get_lineno (ignore_abfd, symbol)
- bfd *ignore_abfd;
- asymbol *symbol;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
+ asymbol *symbol ATTRIBUTE_UNUSED;
{
abort ();
return NULL;
if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset,
filename_ptr, functionname_ptr,
- line_ptr))
+ line_ptr, 0))
return true;
if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
void
_bfd_elf_no_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *dst ATTRIBUTE_UNUSED;
{
abort ();
}
bfd_reloc_status_type
_bfd_elf_rel_vtable_reloc_fn (abfd, re, symbol, data, is, obfd, errmsg)
- bfd *abfd;
- arelent *re;
- struct symbol_cache_entry *symbol;
- PTR data;
- asection *is;
- bfd *obfd;
- char **errmsg;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *re ATTRIBUTE_UNUSED;
+ struct symbol_cache_entry *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *is ATTRIBUTE_UNUSED;
+ bfd *obfd ATTRIBUTE_UNUSED;
+ char **errmsg ATTRIBUTE_UNUSED;
{
return bfd_reloc_ok;
}
#endif /* defined (HAVE_PRSTATUS_T) */
-/* There isn't a consistent prfpregset_t across platforms,
- but it doesn't matter, because we don't have to pick this
- data structure apart. */
+/* Create a pseudosection containing the exact contents of NOTE. This
+ actually creates up to two pseudosections:
+ - For the single-threaded case, a section named NAME, unless
+ such a section already exists.
+ - For the multi-threaded case, a section named "NAME/PID", where
+ PID is elfcore_make_pid (abfd).
+ Both pseudosections have identical contents: the contents of NOTE. */
static boolean
-elfcore_grok_prfpreg (abfd, note)
+elfcore_make_note_pseudosection (abfd, name, note)
bfd* abfd;
+ char *name;
Elf_Internal_Note* note;
{
char buf[100];
- char* name;
+ char *threaded_name;
asection* sect;
- /* Make a ".reg2/999" section. */
+ /* Build the section name. */
- sprintf (buf, ".reg2/%d", elfcore_make_pid (abfd));
- name = bfd_alloc (abfd, strlen (buf) + 1);
- if (name == NULL)
+ sprintf (buf, "%s/%d", name, elfcore_make_pid (abfd));
+ threaded_name = bfd_alloc (abfd, strlen (buf) + 1);
+ if (threaded_name == NULL)
return false;
- strcpy (name, buf);
+ strcpy (threaded_name, buf);
- sect = bfd_make_section (abfd, name);
+ sect = bfd_make_section (abfd, threaded_name);
if (sect == NULL)
return false;
sect->_raw_size = note->descsz;
sect->flags = SEC_HAS_CONTENTS;
sect->alignment_power = 2;
- if (! elfcore_maybe_make_sect (abfd, ".reg2", sect))
+ if (! elfcore_maybe_make_sect (abfd, name, sect))
return false;
return true;
}
+/* There isn't a consistent prfpregset_t across platforms,
+ but it doesn't matter, because we don't have to pick this
+ data structure apart. */
+static boolean
+elfcore_grok_prfpreg (abfd, note)
+ bfd* abfd;
+ Elf_Internal_Note* note;
+{
+ return elfcore_make_note_pseudosection (abfd, ".reg2", note);
+}
+
+
+/* Linux dumps the Intel SSE regs in a note named "LINUX" with a note
+ type of 5 (NT_PRXFPREG). Just include the whole note's contents
+ literally. */
+static boolean
+elfcore_grok_prxfpreg (abfd, note)
+ bfd* abfd;
+ Elf_Internal_Note* note;
+{
+ return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
+}
+
+
+#if defined (HAVE_PRPSINFO_T)
+# define elfcore_psinfo_t prpsinfo_t
+#endif
+
+#if defined (HAVE_PSINFO_T)
+# define elfcore_psinfo_t psinfo_t
+#endif
+
+
+#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T)
+
/* return a malloc'ed copy of a string at START which is at
most MAX bytes long, possibly without a terminating '\0'.
the copy will always have a terminating '\0'. */
return dup;
}
-
-#if defined (HAVE_PRPSINFO_T)
-# define elfcore_psinfo_t prpsinfo_t
-#endif
-
-#if defined (HAVE_PSINFO_T)
-# define elfcore_psinfo_t psinfo_t
-#endif
-
-
-#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T)
static boolean
elfcore_grok_psinfo (abfd, note)
bfd* abfd;
}
#endif /* defined (HAVE_LWPSTATUS_T) */
+#if defined (HAVE_WIN32_PSTATUS_T)
+static boolean
+elfcore_grok_win32pstatus (abfd, note)
+ bfd * abfd;
+ Elf_Internal_Note * note;
+{
+ char buf[30];
+ char * name;
+ asection * sect;
+ win32_pstatus_t pstatus;
+
+ if (note->descsz < sizeof (pstatus))
+ return true;
+ memcpy (& pstatus, note->descdata, note->descsz);
+
+ switch (pstatus.data_type)
+ {
+ case NOTE_INFO_PROCESS:
+ /* FIXME: need to add ->core_command. */
+ elf_tdata (abfd)->core_signal = pstatus.data.process_info.signal;
+ elf_tdata (abfd)->core_pid = pstatus.data.process_info.pid;
+ break ;
+
+ case NOTE_INFO_THREAD:
+ /* Make a ".reg/999" section. */
+ sprintf (buf, ".reg/%d", pstatus.data.thread_info.tid);
+
+ name = bfd_alloc (abfd, strlen (buf) + 1);
+ if (name == NULL)
+ return false;
+
+ strcpy (name, buf);
+
+ sect = bfd_make_section (abfd, name);
+ if (sect == NULL)
+ return false;
+
+ sect->_raw_size = sizeof (pstatus.data.thread_info.thread_context);
+ sect->filepos = note->descpos + offsetof (struct win32_pstatus,
+ data.thread_info.thread_context);
+ sect->flags = SEC_HAS_CONTENTS;
+ sect->alignment_power = 2;
+
+ if (pstatus.data.thread_info.is_active_thread)
+ if (! elfcore_maybe_make_sect (abfd, ".reg", sect))
+ return false;
+ break;
+
+ case NOTE_INFO_MODULE:
+ /* Make a ".module/xxxxxxxx" section. */
+ sprintf (buf, ".module/%08x" , pstatus.data.module_info.base_address);
+
+ name = bfd_alloc (abfd, strlen (buf) + 1);
+ if (name == NULL)
+ return false;
+
+ strcpy (name, buf);
+
+ sect = bfd_make_section (abfd, name);
+
+ if (sect == NULL)
+ return false;
+
+ sect->_raw_size = note->descsz;
+ sect->filepos = note->descpos;
+ sect->flags = SEC_HAS_CONTENTS;
+ sect->alignment_power = 2;
+ break;
+
+ default:
+ return true;
+ }
+
+ return true;
+}
+#endif /* HAVE_WIN32_PSTATUS_T */
static boolean
elfcore_grok_note (abfd, note)
case NT_FPREGSET: /* FIXME: rename to NT_PRFPREG */
return elfcore_grok_prfpreg (abfd, note);
+#if defined (HAVE_WIN32_PSTATUS_T)
+ case NT_WIN32PSTATUS:
+ return elfcore_grok_win32pstatus (abfd, note);
+#endif
+
+ case NT_PRXFPREG: /* Linux SSE extension */
+ if (note->namesz == 5
+ && ! strcmp (note->namedata, "LINUX"))
+ return elfcore_grok_prxfpreg (abfd, note);
+ else
+ return true;
+
#if defined (HAVE_PRPSINFO_T) || defined (HAVE_PSINFO_T)
case NT_PRPSINFO:
case NT_PSINFO:
}
+/* FIXME: This function is now unnecessary. Callers can just call
+ bfd_section_from_phdr directly. */
boolean
_bfd_elfcore_section_from_phdr (abfd, phdr, sec_num)
if (! bfd_section_from_phdr (abfd, phdr, sec_num))
return false;
- if (phdr->p_type == PT_NOTE
- && ! elfcore_read_notes (abfd, phdr->p_offset, phdr->p_filesz))
- return false;
-
return true;
}
+
+\f
+/* Providing external access to the ELF program header table. */
+
+/* Return an upper bound on the number of bytes required to store a
+ copy of ABFD's program header table entries. Return -1 if an error
+ occurs; bfd_get_error will return an appropriate code. */
+long
+bfd_get_elf_phdr_upper_bound (abfd)
+ bfd *abfd;
+{
+ if (abfd->xvec->flavour != bfd_target_elf_flavour)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return -1;
+ }
+
+ return (elf_elfheader (abfd)->e_phnum
+ * sizeof (Elf_Internal_Phdr));
+}
+
+
+/* Copy ABFD's program header table entries to *PHDRS. The entries
+ will be stored as an array of Elf_Internal_Phdr structures, as
+ defined in include/elf/internal.h. To find out how large the
+ buffer needs to be, call bfd_get_elf_phdr_upper_bound.
+
+ Return the number of program header table entries read, or -1 if an
+ error occurs; bfd_get_error will return an appropriate code. */
+int
+bfd_get_elf_phdrs (abfd, phdrs)
+ bfd *abfd;
+ void *phdrs;
+{
+ int num_phdrs;
+
+ if (abfd->xvec->flavour != bfd_target_elf_flavour)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return -1;
+ }
+
+ num_phdrs = elf_elfheader (abfd)->e_phnum;
+ memcpy (phdrs, elf_tdata (abfd)->phdr,
+ num_phdrs * sizeof (Elf_Internal_Phdr));
+
+ return num_phdrs;
+}
projects / deliverable / binutils-gdb.git / blobdiff