/* Alpha specific support for 64-bit ELF
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@tamu.edu>.
This file is part of BFD, the Binary File Descriptor library.
/* Which .reloc section? */
asection *srel;
- /* What kind of relocation? */
- unsigned int rtype;
-
- /* Is this against read-only section? */
- unsigned int reltext : 1;
+ /* Which section this relocation is against? */
+ asection *sec;
/* How many did we find? */
unsigned long count;
+
+ /* What kind of relocation? */
+ unsigned int rtype;
};
struct alpha_elf_link_hash_entry
elf64_alpha_bfd_link_hash_table_create (bfd *abfd)
{
struct alpha_elf_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct alpha_elf_link_hash_table);
+ size_t amt = sizeof (struct alpha_elf_link_hash_table);
ret = (struct alpha_elf_link_hash_table *) bfd_zmalloc (amt);
if (ret == (struct alpha_elf_link_hash_table *) NULL)
\f
/* Handle an Alpha specific section when reading an object file. This
is called when bfd_section_from_shdr finds a section with an unknown
- type.
- FIXME: We need to handle the SHF_ALPHA_GPREL flag, but I'm not sure
- how to. */
+ type. */
static bfd_boolean
elf64_alpha_section_from_shdr (bfd *abfd,
/* Convert Alpha specific section flags to bfd internal section flags. */
static bfd_boolean
-elf64_alpha_section_flags (flagword *flags, const Elf_Internal_Shdr *hdr)
+elf64_alpha_section_flags (const Elf_Internal_Shdr *hdr)
{
if (hdr->sh_flags & SHF_ALPHA_GPREL)
- *flags |= SEC_SMALL_DATA;
+ hdr->bfd_section->flags |= SEC_SMALL_DATA;
return TRUE;
}
/* The symbolic header contains absolute file offsets and sizes to
read. */
#define READ(ptr, offset, count, size, type) \
- if (symhdr->count == 0) \
- debug->ptr = NULL; \
- else \
+ do \
{ \
- bfd_size_type amt = (bfd_size_type) size * symhdr->count; \
- debug->ptr = (type) bfd_malloc (amt); \
- if (debug->ptr == NULL) \
+ size_t amt; \
+ debug->ptr = NULL; \
+ if (symhdr->count == 0) \
+ break; \
+ if (_bfd_mul_overflow (size, symhdr->count, &amt)) \
+ { \
+ bfd_set_error (bfd_error_file_too_big); \
+ goto error_return; \
+ } \
+ if (bfd_seek (abfd, symhdr->offset, SEEK_SET) != 0) \
goto error_return; \
- if (bfd_seek (abfd, (file_ptr) symhdr->offset, SEEK_SET) != 0 \
- || bfd_bread (debug->ptr, amt, abfd) != amt) \
+ debug->ptr = (type) _bfd_malloc_and_read (abfd, amt, amt); \
+ if (debug->ptr == NULL) \
goto error_return; \
- }
+ } while (0)
READ (line, cbLineOffset, cbLine, sizeof (unsigned char), unsigned char *);
READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, void *);
return TRUE;
error_return:
- if (ext_hdr != NULL)
- free (ext_hdr);
- if (debug->line != NULL)
- free (debug->line);
- if (debug->external_dnr != NULL)
- free (debug->external_dnr);
- if (debug->external_pdr != NULL)
- free (debug->external_pdr);
- if (debug->external_sym != NULL)
- free (debug->external_sym);
- if (debug->external_opt != NULL)
- free (debug->external_opt);
- if (debug->external_aux != NULL)
- free (debug->external_aux);
- if (debug->ss != NULL)
- free (debug->ss);
- if (debug->ssext != NULL)
- free (debug->ssext);
- if (debug->external_fdr != NULL)
- free (debug->external_fdr);
- if (debug->external_rfd != NULL)
- free (debug->external_rfd);
- if (debug->external_ext != NULL)
- free (debug->external_ext);
+ free (ext_hdr);
+ free (debug->line);
+ free (debug->external_dnr);
+ free (debug->external_pdr);
+ free (debug->external_sym);
+ free (debug->external_opt);
+ free (debug->external_aux);
+ free (debug->ss);
+ free (debug->ssext);
+ free (debug->external_fdr);
+ free (debug->external_rfd);
+ free (debug->external_ext);
return FALSE;
}
filename_ptr, functionname_ptr,
line_ptr, discriminator_ptr,
dwarf_debug_sections,
- &elf_tdata (abfd)->dwarf2_find_line_info))
+ &elf_tdata (abfd)->dwarf2_find_line_info)
+ == 1)
return TRUE;
msec = bfd_get_section_by_name (abfd, ".mdebug");
if (!gotent)
{
int entry_size;
- bfd_size_type amt;
+ size_t amt;
amt = sizeof (struct alpha_elf_got_entry);
gotent = (struct alpha_elf_got_entry *) bfd_alloc (abfd, amt);
Elf_Internal_Shdr *symtab_hdr;
struct alpha_elf_link_hash_entry **sym_hashes;
const Elf_Internal_Rela *rel, *relend;
- bfd_size_type amt;
if (bfd_link_relocatable (info))
return TRUE;
if (!rent)
{
- amt = sizeof (struct alpha_elf_reloc_entry);
+ size_t amt = sizeof (struct alpha_elf_reloc_entry);
rent = (struct alpha_elf_reloc_entry *) bfd_alloc (abfd, amt);
if (!rent)
return FALSE;
rent->srel = sreloc;
+ rent->sec = sec;
rent->rtype = r_type;
rent->count = 1;
- rent->reltext = (sec->flags & SEC_READONLY) != 0;
rent->next = h->reloc_entries;
h->reloc_entries = rent;
loaded into memory, we need a RELATIVE reloc. */
sreloc->size += sizeof (Elf64_External_Rela);
if (sec->flags & SEC_READONLY)
- info->flags |= DF_TEXTREL;
+ {
+ info->flags |= DF_TEXTREL;
+ info->callbacks->minfo
+ (_("%pB: dynamic relocation against `%pT' in "
+ "read-only section `%pA'\n"),
+ sec->owner, h->root.root.root.string, sec);
+ }
}
}
}
bfd_link_pie (info));
if (entries)
{
+ asection *sec = relent->sec;
relent->srel->size +=
entries * sizeof (Elf64_External_Rela) * relent->count;
- if (relent->reltext)
- info->flags |= DT_TEXTREL;
+ if ((sec->flags & SEC_READONLY) != 0)
+ {
+ info->flags |= DT_TEXTREL;
+ info->callbacks->minfo
+ (_("%pB: dynamic relocation against `%pT' in "
+ "read-only section `%pA'\n"),
+ sec->owner, h->root.root.root.string, sec);
+ }
}
}
if (!gpdisp || gpdisp->r_addend != 4)
{
- if (tsec_free)
- free (tsec_free);
+ free (tsec_free);
return 0;
}
- if (tsec_free)
- free (tsec_free);
+ free (tsec_free);
}
/* We've now determined that we can skip an initial gp load. Verify
return TRUE;
error_return:
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
+ if (symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
- if (info.contents != NULL
- && elf_section_data (sec)->this_hdr.contents != info.contents)
+ if (elf_section_data (sec)->this_hdr.contents != info.contents)
free (info.contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
+ if (elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
return FALSE;
}
#define elf_backend_special_sections \
elf64_alpha_special_sections
+#define elf_backend_strip_zero_sized_dynamic_sections \
+ _bfd_elf_strip_zero_sized_dynamic_sections
+
/* A few constants that determine how the .plt section is set up. */
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 0
projects / deliverable / binutils-gdb.git / blobdiff