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Diffstat (limited to 'bfd/elfcode.h')
-rw-r--r--bfd/elfcode.h95
1 files changed, 70 insertions, 25 deletions
diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index db0316a..21deffd 100644
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -939,14 +939,6 @@ elf_object_p (abfd)
/* Remember the entry point specified in the ELF file header. */
bfd_get_start_address (abfd) = i_ehdrp->e_entry;
- /* Let the backend double check the format and override global
- information. */
- if (ebd->elf_backend_object_p)
- {
- if ((*ebd->elf_backend_object_p) (abfd) == false)
- goto got_wrong_format_error;
- }
-
/* Allocate space for a copy of the section header table in
internal form, seek to the section header table in the file,
read it in, and convert it to internal form. */
@@ -997,6 +989,14 @@ elf_object_p (abfd)
goto got_no_match;
}
+ /* Let the backend double check the format and override global
+ information. */
+ if (ebd->elf_backend_object_p)
+ {
+ if ((*ebd->elf_backend_object_p) (abfd) == false)
+ goto got_wrong_format_error;
+ }
+
return (abfd->xvec);
got_wrong_format_error:
@@ -1914,7 +1914,7 @@ map_program_segments (abfd, off, first, phdr_size)
/* Make sure the return value from get_program_header_size matches
what we computed here. */
- if (phdr_count != phdr_size / sizeof (Elf_Internal_Phdr))
+ if (phdr_count != phdr_size / sizeof (Elf_External_Phdr))
abort ();
/* Set up program header information. */
@@ -4111,6 +4111,7 @@ elf_link_add_object_symbols (abfd, info)
Elf_Internal_Shdr *hdr;
size_t symcount;
size_t extsymcount;
+ size_t extsymoff;
Elf_External_Sym *buf = NULL;
struct elf_link_hash_entry **sym_hash;
boolean dynamic;
@@ -4128,7 +4129,16 @@ elf_link_add_object_symbols (abfd, info)
/* The sh_info field of the symtab header tells us where the
external symbols start. We don't care about the local symbols at
this point. */
- extsymcount = symcount - hdr->sh_info;
+ if (elf_bad_symtab (abfd))
+ {
+ extsymcount = symcount;
+ extsymoff = 0;
+ }
+ else
+ {
+ extsymcount = symcount - hdr->sh_info;
+ extsymoff = hdr->sh_info;
+ }
buf = (Elf_External_Sym *) malloc (extsymcount * sizeof (Elf_External_Sym));
if (buf == NULL && extsymcount != 0)
@@ -4251,7 +4261,7 @@ elf_link_add_object_symbols (abfd, info)
}
if (bfd_seek (abfd,
- hdr->sh_offset + hdr->sh_info * sizeof (Elf_External_Sym),
+ hdr->sh_offset + extsymoff * sizeof (Elf_External_Sym),
SEEK_SET) != 0
|| (bfd_read ((PTR) buf, sizeof (Elf_External_Sym), extsymcount, abfd)
!= extsymcount * sizeof (Elf_External_Sym)))
@@ -4283,9 +4293,9 @@ elf_link_add_object_symbols (abfd, info)
{
/* This should be impossible, since ELF requires that all
global symbols follow all local symbols, and that sh_info
- point to the first global symbol. */
- bfd_set_error (bfd_error_bad_value);
- goto error_return;
+ point to the first global symbol. Unfortunatealy, Irix 5
+ screws this up. */
+ continue;
}
else if (bind == STB_GLOBAL)
flags = BSF_GLOBAL;
@@ -5093,10 +5103,19 @@ elf_bfd_final_link (abfd, info)
/* We are interested in just local symbols, not all
symbols. */
- if (bfd_get_flavour (sec->owner) == bfd_target_elf_flavour
- && (elf_tdata (sec->owner)->symtab_hdr.sh_info
- > max_sym_count))
- max_sym_count = elf_tdata (sec->owner)->symtab_hdr.sh_info;
+ if (bfd_get_flavour (sec->owner) == bfd_target_elf_flavour)
+ {
+ size_t sym_count;
+
+ if (elf_bad_symtab (sec->owner))
+ sym_count = (elf_tdata (sec->owner)->symtab_hdr.sh_size
+ / sizeof (Elf_External_Sym));
+ else
+ sym_count = elf_tdata (sec->owner)->symtab_hdr.sh_info;
+
+ if (sym_count > max_sym_count)
+ max_sym_count = sym_count;
+ }
if ((sec->flags & SEC_RELOC) != 0)
{
@@ -5688,7 +5707,9 @@ elf_link_output_extsym (h, data)
output it. */
if (h->indx == -2)
strip = false;
- else if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
+ else if (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
+ || (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) != 0)
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
&& (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR) == 0)
strip = true;
else if (finfo->info->strip == strip_all
@@ -5843,6 +5864,8 @@ elf_link_input_bfd (finfo, input_bfd)
asection **));
bfd *output_bfd;
Elf_Internal_Shdr *symtab_hdr;
+ size_t locsymcount;
+ size_t extsymoff;
Elf_External_Sym *esym;
Elf_External_Sym *esymend;
Elf_Internal_Sym *isym;
@@ -5860,18 +5883,29 @@ elf_link_input_bfd (finfo, input_bfd)
if (elf_elfheader (input_bfd)->e_type == ET_DYN)
return true;
- /* Read the local symbols. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ if (elf_bad_symtab (input_bfd))
+ {
+ locsymcount = symtab_hdr->sh_size / sizeof (Elf_External_Sym);
+ extsymoff = 0;
+ }
+ else
+ {
+ locsymcount = symtab_hdr->sh_info;
+ extsymoff = symtab_hdr->sh_info;
+ }
+
+ /* Read the local symbols. */
if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|| (bfd_read (finfo->external_syms, sizeof (Elf_External_Sym),
- symtab_hdr->sh_info, input_bfd)
- != symtab_hdr->sh_info * sizeof (Elf_External_Sym)))
+ locsymcount, input_bfd)
+ != locsymcount * sizeof (Elf_External_Sym)))
return false;
/* Swap in the local symbols and write out the ones which we know
are going into the output file. */
esym = finfo->external_syms;
- esymend = esym + symtab_hdr->sh_info;
+ esymend = esym + locsymcount;
isym = finfo->internal_syms;
pindex = finfo->indices;
ppsection = finfo->sections;
@@ -5884,6 +5918,15 @@ elf_link_input_bfd (finfo, input_bfd)
elf_swap_symbol_in (input_bfd, esym, isym);
*pindex = -1;
+ if (elf_bad_symtab (input_bfd))
+ {
+ if (ELF_ST_BIND (isym->st_info) != STB_LOCAL)
+ {
+ *ppsection = NULL;
+ continue;
+ }
+ }
+
if (isym->st_shndx == SHN_UNDEF)
isec = &bfd_und_section;
else if (isym->st_shndx > 0 && isym->st_shndx < SHN_LORESERVE)
@@ -6084,7 +6127,9 @@ elf_link_input_bfd (finfo, input_bfd)
if (r_symndx == 0)
continue;
- if (r_symndx >= symtab_hdr->sh_info)
+ if (r_symndx >= locsymcount
+ || (elf_bad_symtab (input_bfd)
+ && finfo->sections[r_symndx] == NULL))
{
long indx;
@@ -6095,7 +6140,7 @@ elf_link_input_bfd (finfo, input_bfd)
reloc to point to the global hash table entry
for this symbol. The symbol index is then
set at the end of elf_bfd_final_link. */
- indx = r_symndx - symtab_hdr->sh_info;
+ indx = r_symndx - extsymoff;
*rel_hash = elf_sym_hashes (input_bfd)[indx];
/* Setting the index to -2 tells
generated by cgit v1.1 at 2024-11-23 17:13:43 +0000