/* ELF executable support for BFD.
- Copyright (C) 1993-2018 Free Software Foundation, Inc.
+ Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* For sparc64-cross-sparc32. */
#define _SYSCALL32
#include "sysdep.h"
+#include <limits.h>
#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
if (bfd_elf_get_str_section (abfd, shindex) == NULL)
return NULL;
}
+ else
+ {
+ /* PR 24273: The string section's contents may have already
+ been loaded elsewhere, eg because a corrupt file has the
+ string section index in the ELF header pointing at a group
+ section. So be paranoid, and test that the last byte of
+ the section is zero. */
+ if (hdr->sh_size == 0 || hdr->contents[hdr->sh_size - 1] != 0)
+ return NULL;
+ }
if (strindex >= hdr->sh_size)
{
BFD_ASSERT (sizeof (*dest) >= 4);
amt = shdr->sh_size * sizeof (*dest) / 4;
shdr->contents = (unsigned char *)
- bfd_alloc2 (abfd, shdr->sh_size, sizeof (*dest) / 4);
+ bfd_alloc2 (abfd, shdr->sh_size, sizeof (*dest) / 4);
/* PR binutils/4110: Handle corrupt group headers. */
if (shdr->contents == NULL)
{
enum { nothing, compress, decompress } action = nothing;
int compression_header_size;
bfd_size_type uncompressed_size;
+ unsigned int uncompressed_align_power;
bfd_boolean compressed
= bfd_is_section_compressed_with_header (abfd, newsect,
&compression_header_size,
- &uncompressed_size);
-
+ &uncompressed_size,
+ &uncompressed_align_power);
if (compressed)
{
/* Compressed section. Check if we should decompress. */
section_match (const Elf_Internal_Shdr * a,
const Elf_Internal_Shdr * b)
{
- return
- a->sh_type == b->sh_type
- && (a->sh_flags & ~ SHF_INFO_LINK)
- == (b->sh_flags & ~ SHF_INFO_LINK)
- && a->sh_addralign == b->sh_addralign
- && a->sh_size == b->sh_size
- && a->sh_entsize == b->sh_entsize
- /* FIXME: Check sh_addr ? */
- ;
+ if (a->sh_type != b->sh_type
+ || ((a->sh_flags ^ b->sh_flags) & ~SHF_INFO_LINK) != 0
+ || a->sh_addralign != b->sh_addralign
+ || a->sh_entsize != b->sh_entsize)
+ return FALSE;
+ if (a->sh_type == SHT_SYMTAB
+ || a->sh_type == SHT_STRTAB)
+ return TRUE;
+ return a->sh_size == b->sh_size;
}
/* Find a section in OBFD that has the same characteristics
sections_being_created = NULL;
if (sections_being_created == NULL)
{
- /* FIXME: It would be more efficient to attach this array to the bfd somehow. */
sections_being_created = (bfd_boolean *)
- bfd_zalloc (abfd, elf_numsections (abfd) * sizeof (bfd_boolean));
+ bfd_zalloc2 (abfd, elf_numsections (abfd), sizeof (bfd_boolean));
sections_being_created_abfd = abfd;
}
if (sections_being_created [shindex])
if (entry->ndx == shindex)
goto success;
- entry = bfd_alloc (abfd, sizeof * entry);
+ entry = bfd_alloc (abfd, sizeof (*entry));
if (entry == NULL)
goto fail;
entry->ndx = shindex;
&& ! bfd_section_from_shdr (abfd, hdr->sh_link))
goto fail;
- /* If this reloc section does not use the main symbol table we
- don't treat it as a reloc section. BFD can't adequately
- represent such a section, so at least for now, we don't
- try. We just present it as a normal section. We also
- can't use it as a reloc section if it points to the null
- section, an invalid section, another reloc section, or its
- sh_link points to the null section. */
- if (hdr->sh_link != elf_onesymtab (abfd)
+ /* If this is an alloc section in an executable or shared
+ library, or the reloc section does not use the main symbol
+ table we don't treat it as a reloc section. BFD can't
+ adequately represent such a section, so at least for now,
+ we don't try. We just present it as a normal section. We
+ also can't use it as a reloc section if it points to the
+ null section, an invalid section, another reloc section, or
+ its sh_link points to the null section. */
+ if (((abfd->flags & (DYNAMIC | EXEC_P)) != 0
+ && (hdr->sh_flags & SHF_ALLOC) != 0)
|| hdr->sh_link == SHN_UNDEF
+ || hdr->sh_link != elf_onesymtab (abfd)
|| hdr->sh_info == SHN_UNDEF
|| hdr->sh_info >= num_sec
|| elf_elfsections (abfd)[hdr->sh_info]->sh_type == SHT_REL
int
bfd_elf_get_default_section_type (flagword flags)
{
- if ((flags & SEC_ALLOC) != 0
+ if ((flags & (SEC_ALLOC | SEC_IS_COMMON)) != 0
&& (flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
return SHT_NOBITS;
return SHT_PROGBITS;
/* Ignore linker created group section. See elfNN_ia64_object_p in
elfxx-ia64.c. */
- if (((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) != SEC_GROUP)
+ if ((sec->flags & (SEC_GROUP | SEC_LINKER_CREATED)) != SEC_GROUP
+ || sec->size == 0
|| *failedptr)
return;
_bfd_elf_strtab_addref (elf_shstrtab (abfd), t->symtab_hdr.sh_name);
if (section_number > ((SHN_LORESERVE - 2) & 0xFFFF))
{
- elf_section_list * entry;
+ elf_section_list *entry;
BFD_ASSERT (elf_symtab_shndx_list (abfd) == NULL);
- entry = bfd_zalloc (abfd, sizeof * entry);
+ entry = bfd_zalloc (abfd, sizeof (*entry));
entry->ndx = section_number++;
elf_symtab_shndx_list (abfd) = entry;
entry->hdr.sh_name
++segs;
}
+ s = bfd_get_section_by_name (abfd,
+ NOTE_GNU_PROPERTY_SECTION_NAME);
+ if (s != NULL && s->size != 0)
+ {
+ /* We need a PT_GNU_PROPERTY segment. */
+ ++segs;
+ }
+
for (s = abfd->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LOAD) != 0
unsigned int hdr_index;
bfd_vma maxpagesize;
asection **hdrpp;
- bfd_boolean phdr_in_segment = TRUE;
+ bfd_boolean phdr_in_segment;
bfd_boolean writable;
bfd_boolean executable;
int tls_count = 0;
asection *dynsec, *eh_frame_hdr;
bfd_size_type amt;
bfd_vma addr_mask, wrap_to = 0;
- bfd_boolean linker_created_pt_phdr_segment = FALSE;
+ bfd_size_type phdr_size;
/* Select the allocated sections, and sort them. */
qsort (sections, (size_t) count, sizeof (asection *), elf_sort_sections);
- /* Build the mapping. */
+ phdr_size = elf_program_header_size (abfd);
+ if (phdr_size == (bfd_size_type) -1)
+ phdr_size = get_program_header_size (abfd, info);
+ phdr_size += bed->s->sizeof_ehdr;
+ maxpagesize = bed->maxpagesize;
+ if (maxpagesize == 0)
+ maxpagesize = 1;
+ phdr_in_segment = info != NULL && info->load_phdrs;
+ if (count != 0
+ && (((sections[0]->lma & addr_mask) & (maxpagesize - 1))
+ >= (phdr_size & (maxpagesize - 1))))
+ /* For compatibility with old scripts that may not be using
+ SIZEOF_HEADERS, add headers when it looks like space has
+ been left for them. */
+ phdr_in_segment = TRUE;
+ /* Build the mapping. */
mfirst = NULL;
pm = &mfirst;
m->p_flags = PF_R;
m->p_flags_valid = 1;
m->includes_phdrs = 1;
- linker_created_pt_phdr_segment = TRUE;
+ phdr_in_segment = TRUE;
*pm = m;
pm = &m->next;
last_hdr = NULL;
last_size = 0;
hdr_index = 0;
- maxpagesize = bed->maxpagesize;
- /* PR 17512: file: c8455299.
- Avoid divide-by-zero errors later on.
- FIXME: Should we abort if the maxpagesize is zero ? */
- if (maxpagesize == 0)
- maxpagesize = 1;
writable = FALSE;
executable = FALSE;
dynsec = bfd_get_section_by_name (abfd, ".dynamic");
&& (dynsec->flags & SEC_LOAD) == 0)
dynsec = NULL;
+ if ((abfd->flags & D_PAGED) == 0)
+ phdr_in_segment = FALSE;
+
/* Deal with -Ttext or something similar such that the first section
is not adjacent to the program headers. This is an
approximation, since at this point we don't know exactly how many
program headers we will need. */
- if (count > 0)
+ if (phdr_in_segment && count > 0)
{
- bfd_size_type phdr_size = elf_program_header_size (abfd);
+ bfd_vma phdr_lma;
+ bfd_boolean separate_phdr = FALSE;
- if (phdr_size == (bfd_size_type) -1)
- phdr_size = get_program_header_size (abfd, info);
- phdr_size += bed->s->sizeof_ehdr;
- if ((abfd->flags & D_PAGED) == 0
- || (sections[0]->lma & addr_mask) < phdr_size
- || ((sections[0]->lma & addr_mask) % maxpagesize
- < phdr_size % maxpagesize)
- || (sections[0]->lma & addr_mask & -maxpagesize) < wrap_to)
+ phdr_lma = (sections[0]->lma - phdr_size) & addr_mask & -maxpagesize;
+ if (info != NULL
+ && info->separate_code
+ && (sections[0]->flags & SEC_CODE) != 0)
{
- /* PR 20815: The ELF standard says that a PT_PHDR segment, if
- present, must be included as part of the memory image of the
- program. Ie it must be part of a PT_LOAD segment as well.
- If we have had to create our own PT_PHDR segment, but it is
- not going to be covered by the first PT_LOAD segment, then
- force the inclusion if we can... */
- if ((abfd->flags & D_PAGED) != 0
- && linker_created_pt_phdr_segment)
- phdr_in_segment = TRUE;
- else
- phdr_in_segment = FALSE;
+ /* If data sections should be separate from code and
+ thus not executable, and the first section is
+ executable then put the file and program headers in
+ their own PT_LOAD. */
+ separate_phdr = TRUE;
+ if ((((phdr_lma + phdr_size - 1) & addr_mask & -maxpagesize)
+ == (sections[0]->lma & addr_mask & -maxpagesize)))
+ {
+ /* The file and program headers are currently on the
+ same page as the first section. Put them on the
+ previous page if we can. */
+ if (phdr_lma >= maxpagesize)
+ phdr_lma -= maxpagesize;
+ else
+ separate_phdr = FALSE;
+ }
+ }
+ if ((sections[0]->lma & addr_mask) < phdr_lma
+ || (sections[0]->lma & addr_mask) < phdr_size)
+ /* If file and program headers would be placed at the end
+ of memory then it's probably better to omit them. */
+ phdr_in_segment = FALSE;
+ else if (phdr_lma < wrap_to)
+ /* If a section wraps around to where we'll be placing
+ file and program headers, then the headers will be
+ overwritten. */
+ phdr_in_segment = FALSE;
+ else if (separate_phdr)
+ {
+ m = make_mapping (abfd, sections, 0, 0, phdr_in_segment);
+ if (m == NULL)
+ goto error_return;
+ m->p_paddr = phdr_lma;
+ m->p_vaddr_offset
+ = (sections[0]->vma - phdr_size) & addr_mask & -maxpagesize;
+ m->p_paddr_valid = 1;
+ *pm = m;
+ pm = &m->next;
+ phdr_in_segment = FALSE;
}
}
pm = &m->next;
}
+ s = bfd_get_section_by_name (abfd,
+ NOTE_GNU_PROPERTY_SECTION_NAME);
+ if (s != NULL && s->size != 0)
+ {
+ amt = sizeof (struct elf_segment_map) + sizeof (asection *);
+ m = bfd_zalloc (abfd, amt);
+ if (m == NULL)
+ goto error_return;
+ m->next = NULL;
+ m->p_type = PT_GNU_PROPERTY;
+ m->count = 1;
+ m->p_flags_valid = 1;
+ m->sections[0] = s;
+ m->p_flags = PF_R;
+ *pm = m;
+ pm = &m->next;
+ }
+
/* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME
segment. */
eh_frame_hdr = elf_eh_frame_hdr (abfd);
p->p_flags = m->p_flags;
if (m->count == 0)
- p->p_vaddr = 0;
+ p->p_vaddr = m->p_vaddr_offset;
else
- p->p_vaddr = m->sections[0]->vma - m->p_vaddr_offset;
+ p->p_vaddr = m->sections[0]->vma + m->p_vaddr_offset;
if (m->p_paddr_valid)
p->p_paddr = m->p_paddr;
else if (m->count == 0)
p->p_paddr = 0;
else
- p->p_paddr = m->sections[0]->lma - m->p_vaddr_offset;
+ p->p_paddr = m->sections[0]->lma + m->p_vaddr_offset;
if (p->p_type == PT_LOAD
&& (abfd->flags & D_PAGED) != 0)
the given segment. LMA addresses are compared. */
#define IS_CONTAINED_BY_LMA(section, segment, base) \
(section->lma >= base \
+ && (section->lma + SECTION_SIZE (section, segment) >= section->lma) \
&& (section->lma + SECTION_SIZE (section, segment) \
<= SEGMENT_END (segment, base)))
" at vaddr=%#" PRIx64 ", is this intentional?"),
ibfd, (uint64_t) segment->p_vaddr);
+ map->p_vaddr_offset = segment->p_vaddr;
map->count = 0;
*pointer_to_map = map;
pointer_to_map = &map->next;
/* There is some padding before the first section in the
segment. So, we must account for that in the output
segment's vma. */
- map->p_vaddr_offset = matching_lma->lma - map->p_paddr;
+ map->p_vaddr_offset = map->p_paddr - matching_lma->lma;
free (sections);
continue;
suggested_lma = output_section;
}
- BFD_ASSERT (map->count > 0);
+ /* PR 23932. A corrupt input file may contain sections that cannot
+ be assigned to any segment - because for example they have a
+ negative size - or segments that do not contain any sections. */
+ if (map->count == 0)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ free (sections);
+ return FALSE;
+ }
/* Add the current segment to the list of built segments. */
*pointer_to_map = map;
map->header_size = lowest_section->filepos;
}
- if (!map->includes_phdrs
- && !map->includes_filehdr
- && map->p_paddr_valid)
- /* There is some other padding before the first section. */
- map->p_vaddr_offset = ((lowest_section ? lowest_section->lma : 0)
- - segment->p_paddr);
+ if (section_count == 0)
+ map->p_vaddr_offset = segment->p_vaddr;
+ else if (!map->includes_phdrs
+ && !map->includes_filehdr
+ && map->p_paddr_valid)
+ /* Account for padding before the first section. */
+ map->p_vaddr_offset = (segment->p_paddr
+ - (lowest_section ? lowest_section->lma : 0));
map->count = section_count;
*pointer_to_map = map;
symstrtab_hdr->sh_type = SHT_STRTAB;
/* Allocate buffer to swap out the .strtab section. */
- symstrtab = (struct elf_sym_strtab *) bfd_malloc ((symcount + 1)
- * sizeof (*symstrtab));
+ symstrtab = (struct elf_sym_strtab *) bfd_malloc2 (symcount + 1,
+ sizeof (*symstrtab));
if (symstrtab == NULL)
{
_bfd_elf_strtab_free (stt);
long
_bfd_elf_get_symtab_upper_bound (bfd *abfd)
{
- long symcount;
+ bfd_size_type symcount;
long symtab_size;
Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->symtab_hdr;
symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym;
+ if (symcount >= LONG_MAX / sizeof (asymbol *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
symtab_size = (symcount + 1) * (sizeof (asymbol *));
if (symcount > 0)
symtab_size -= sizeof (asymbol *);
long
_bfd_elf_get_dynamic_symtab_upper_bound (bfd *abfd)
{
- long symcount;
+ bfd_size_type symcount;
long symtab_size;
Elf_Internal_Shdr *hdr = &elf_tdata (abfd)->dynsymtab_hdr;
}
symcount = hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym;
+ if (symcount >= LONG_MAX / sizeof (asymbol *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
symtab_size = (symcount + 1) * (sizeof (asymbol *));
if (symcount > 0)
symtab_size -= sizeof (asymbol *);
_bfd_elf_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
sec_ptr asect)
{
+#if SIZEOF_LONG == SIZEOF_INT
+ if (asect->reloc_count >= LONG_MAX / sizeof (arelent *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
+#endif
return (asect->reloc_count + 1) * sizeof (arelent *);
}
long
_bfd_elf_get_dynamic_reloc_upper_bound (bfd *abfd)
{
- long ret;
+ bfd_size_type count;
asection *s;
if (elf_dynsymtab (abfd) == 0)
return -1;
}
- ret = sizeof (arelent *);
+ count = 1;
for (s = abfd->sections; s != NULL; s = s->next)
if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd)
&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL
|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA))
- ret += ((s->size / elf_section_data (s)->this_hdr.sh_entsize)
- * sizeof (arelent *));
-
- return ret;
+ {
+ count += s->size / elf_section_data (s)->this_hdr.sh_entsize;
+ if (count > LONG_MAX / sizeof (arelent *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
+ }
+ return count * sizeof (arelent *);
}
/* Canonicalize the dynamic relocation entries. Note that we return the
{
elf_symbol_type *newsym;
- newsym = (elf_symbol_type *) bfd_zalloc (abfd, sizeof * newsym);
+ newsym = (elf_symbol_type *) bfd_zalloc (abfd, sizeof (*newsym));
if (!newsym)
return NULL;
newsym->symbol.the_bfd = abfd;
return elfcore_maybe_make_sect (abfd, name, sect);
}
+static bfd_boolean
+elfcore_make_auxv_note_section (bfd *abfd, Elf_Internal_Note *note,
+ size_t offs)
+{
+ asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
+ SEC_HAS_CONTENTS);
+
+ if (sect == NULL)
+ return FALSE;
+
+ sect->size = note->descsz - offs;
+ sect->filepos = note->descpos + offs;
+ sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
+
+ return TRUE;
+}
+
/* prstatus_t exists on:
solaris 2.5+
linux 2.[01] + glibc
return elfcore_make_note_pseudosection (abfd, ".reg-aarch-sve", note);
}
+static bfd_boolean
+elfcore_grok_aarch_pauth (bfd *abfd, Elf_Internal_Note *note)
+{
+ return elfcore_make_note_pseudosection (abfd, ".reg-aarch-pauth", note);
+}
+
#if defined (HAVE_PRPSINFO_T)
typedef prpsinfo_t elfcore_psinfo_t;
#if defined (HAVE_PRPSINFO32_T) /* Sparc64 cross Sparc32 */
case NT_PPC_TAR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tar (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tar (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_PPR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_ppr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_ppr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_DSCR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_dscr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_dscr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_EBB:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_ebb (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_ebb (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_PMU:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_pmu (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_pmu (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CGPR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cgpr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cgpr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CFPR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cfpr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cfpr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CVMX:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cvmx (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cvmx (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CVSX:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cvsx (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cvsx (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_SPR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_spr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_spr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CTAR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_ctar (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_ctar (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CPPR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cppr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cppr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_PPC_TM_CDSCR:
if (note->namesz == 6
- && strcmp (note->namedata, "LINUX") == 0)
- return elfcore_grok_ppc_tm_cdscr (abfd, note);
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_ppc_tm_cdscr (abfd, note);
else
- return TRUE;
+ return TRUE;
case NT_S390_HIGH_GPRS:
if (note->namesz == 6
else
return TRUE;
+ case NT_ARM_PAC_MASK:
+ if (note->namesz == 6
+ && strcmp (note->namedata, "LINUX") == 0)
+ return elfcore_grok_aarch_pauth (abfd, note);
+ else
+ return TRUE;
+
case NT_PRPSINFO:
case NT_PSINFO:
if (bed->elf_backend_grok_psinfo)
#endif
case NT_AUXV:
- {
- asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
- SEC_HAS_CONTENTS);
-
- if (sect == NULL)
- return FALSE;
- sect->size = note->descsz;
- sect->filepos = note->descpos;
- sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
-
- return TRUE;
- }
+ return elfcore_make_auxv_note_section (abfd, note, 0);
case NT_FILE:
return elfcore_make_note_pseudosection (abfd, ".note.linuxcore.file",
elfobj_grok_stapsdt_note_1 (bfd *abfd, Elf_Internal_Note *note)
{
struct sdt_note *cur =
- (struct sdt_note *) bfd_alloc (abfd, sizeof (struct sdt_note)
- + note->descsz);
+ (struct sdt_note *) bfd_alloc (abfd,
+ sizeof (struct sdt_note) + note->descsz);
cur->next = (struct sdt_note *) (elf_tdata (abfd))->sdt_note_head;
cur->size = (bfd_size_type) note->descsz;
note);
case NT_FREEBSD_PROCSTAT_AUXV:
- {
- asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
- SEC_HAS_CONTENTS);
-
- if (sect == NULL)
- return FALSE;
- sect->size = note->descsz - 4;
- sect->filepos = note->descpos + 4;
- sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
-
- return TRUE;
- }
+ return elfcore_make_auxv_note_section (abfd, note, 4);
case NT_X86_XSTATE:
if (note->namesz == 8)
if (elfcore_netbsd_get_lwpid (note, &lwp))
elf_tdata (abfd)->core->lwpid = lwp;
- if (note->type == NT_NETBSDCORE_PROCINFO)
+ switch (note->type)
{
+ case NT_NETBSDCORE_PROCINFO:
/* NetBSD-specific core "procinfo". Note that we expect to
find this note before any of the others, which is fine,
since the kernel writes this note out first when it
creates a core file. */
-
return elfcore_grok_netbsd_procinfo (abfd, note);
+#ifdef NT_NETBSDCORE_AUXV
+ case NT_NETBSDCORE_AUXV:
+ /* NetBSD-specific Elf Auxiliary Vector data. */
+ return elfcore_make_auxv_note_section (abfd, note, 4);
+#endif
+ default:
+ break;
}
- /* As of Jan 2002 there are no other machine-independent notes
+ /* As of March 2017 there are no other machine-independent notes
defined for NetBSD core files. If the note type is less
than the start of the machine-dependent note types, we don't
understand it. */
return TRUE;
}
+ /* On SuperH, PT_GETREGS == mach+3 and PT_GETFPREGS == mach+5.
+ There's also old PT___GETREGS40 == mach + 1 for old reg
+ structure which lacks GBR. */
+
+ case bfd_arch_sh:
+ switch (note->type)
+ {
+ case NT_NETBSDCORE_FIRSTMACH+3:
+ return elfcore_make_note_pseudosection (abfd, ".reg", note);
+
+ case NT_NETBSDCORE_FIRSTMACH+5:
+ return elfcore_make_note_pseudosection (abfd, ".reg2", note);
+
+ default:
+ return TRUE;
+ }
+
/* On all other arch's, PT_GETREGS == mach+1 and
PT_GETFPREGS == mach+3. */
return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
if (note->type == NT_OPENBSD_AUXV)
- {
- asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
- SEC_HAS_CONTENTS);
-
- if (sect == NULL)
- return FALSE;
- sect->size = note->descsz;
- sect->filepos = note->descpos;
- sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
-
- return TRUE;
- }
+ return elfcore_make_auxv_note_section (abfd, note, 0);
if (note->type == NT_OPENBSD_WCOOKIE)
{
char *
elfcore_write_ppc_tar (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tar,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tar,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TAR, ppc_tar, size);
+ note_name, NT_PPC_TAR, ppc_tar, size);
}
char *
elfcore_write_ppc_ppr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_ppr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_ppr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_PPR, ppc_ppr, size);
+ note_name, NT_PPC_PPR, ppc_ppr, size);
}
char *
elfcore_write_ppc_dscr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_dscr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_dscr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_DSCR, ppc_dscr, size);
+ note_name, NT_PPC_DSCR, ppc_dscr, size);
}
char *
elfcore_write_ppc_ebb (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_ebb,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_ebb,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_EBB, ppc_ebb, size);
+ note_name, NT_PPC_EBB, ppc_ebb, size);
}
char *
elfcore_write_ppc_pmu (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_pmu,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_pmu,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_PMU, ppc_pmu, size);
+ note_name, NT_PPC_PMU, ppc_pmu, size);
}
char *
elfcore_write_ppc_tm_cgpr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cgpr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cgpr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CGPR, ppc_tm_cgpr, size);
+ note_name, NT_PPC_TM_CGPR, ppc_tm_cgpr, size);
}
char *
elfcore_write_ppc_tm_cfpr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cfpr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cfpr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CFPR, ppc_tm_cfpr, size);
+ note_name, NT_PPC_TM_CFPR, ppc_tm_cfpr, size);
}
char *
elfcore_write_ppc_tm_cvmx (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cvmx,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cvmx,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CVMX, ppc_tm_cvmx, size);
+ note_name, NT_PPC_TM_CVMX, ppc_tm_cvmx, size);
}
char *
elfcore_write_ppc_tm_cvsx (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cvsx,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cvsx,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CVSX, ppc_tm_cvsx, size);
+ note_name, NT_PPC_TM_CVSX, ppc_tm_cvsx, size);
}
char *
elfcore_write_ppc_tm_spr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_spr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_spr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_SPR, ppc_tm_spr, size);
+ note_name, NT_PPC_TM_SPR, ppc_tm_spr, size);
}
char *
elfcore_write_ppc_tm_ctar (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_ctar,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_ctar,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CTAR, ppc_tm_ctar, size);
+ note_name, NT_PPC_TM_CTAR, ppc_tm_ctar, size);
}
char *
elfcore_write_ppc_tm_cppr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cppr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cppr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CPPR, ppc_tm_cppr, size);
+ note_name, NT_PPC_TM_CPPR, ppc_tm_cppr, size);
}
char *
elfcore_write_ppc_tm_cdscr (bfd *abfd,
- char *buf,
- int *bufsiz,
- const void *ppc_tm_cdscr,
- int size)
+ char *buf,
+ int *bufsiz,
+ const void *ppc_tm_cdscr,
+ int size)
{
char *note_name = "LINUX";
return elfcore_write_note (abfd, buf, bufsiz,
- note_name, NT_PPC_TM_CDSCR, ppc_tm_cdscr, size);
+ note_name, NT_PPC_TM_CDSCR, ppc_tm_cdscr, size);
}
static char *
note_name, NT_ARM_SVE, aarch_sve, size);
}
+char *
+elfcore_write_aarch_pauth (bfd *abfd,
+ char *buf,
+ int *bufsiz,
+ const void *aarch_pauth,
+ int size)
+{
+ char *note_name = "LINUX";
+ return elfcore_write_note (abfd, buf, bufsiz,
+ note_name, NT_ARM_PAC_MASK, aarch_pauth, size);
+}
+
char *
elfcore_write_register_note (bfd *abfd,
char *buf,
return elfcore_write_aarch_hw_watch (abfd, buf, bufsiz, data, size);
if (strcmp (section, ".reg-aarch-sve") == 0)
return elfcore_write_aarch_sve (abfd, buf, bufsiz, data, size);
+ if (strcmp (section, ".reg-aarch-pauth") == 0)
+ return elfcore_write_aarch_pauth (abfd, buf, bufsiz, data, size);
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff