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authorH.J. Lu <hjl@lucon.org>2003-07-25 14:35:56 +0000
committerH.J. Lu <hjl@lucon.org>2003-07-25 14:35:56 +0000
commit37e626935fa7b569e590caae8bc86101def92b38 (patch)
tree2210254f2fe552b8185a885d888f3e2cb12f081d /bfd
parent4837fb0b833f0246e07584954004c9f09a831ee5 (diff)
downloadgdb-37e626935fa7b569e590caae8bc86101def92b38.tar.gz
bfd/
2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * elf-bfd.h (bfd_elf_special_section): New. (elf_backend_data): Add special_sections, a pointer to bfd_elf_special_section. (elf_section_type). New. (elf_section_flags): New. (_bfd_elf_get_sec_type_attr): New. * elf.c (_bfd_elf_make_section_from_shdr): Always use the real section type/flags. (special_sections): New. (get_special_section): New. (_bfd_elf_get_sec_type_attr): New. (_bfd_elf_new_section_hook): Check special_section to set elf_section_type and elf_section_flags. (elf_fake_sections): Don't use section name to set ELF section data. * elf32-m32r.c (m32r_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-m68hc11.c (elf32_m68hc11_special_sections): New. (elf_backend_special_sections): Defined. * elf32-mcore.c (mcore_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-ppc.c (ppc_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-sh64.c (sh64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-v850.c (v850_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-xtensa.c (elf_xtensa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-alpha.c (elf64_alpha_special_sections): New. (elf_backend_special_sections): Defined. * elf64-hppa.c (elf64_hppa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-ppc.c (ppc64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf64-sh64.c (sh64_elf64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-ia64.c (elfNN_ia64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-mips.c (_bfd_mips_elf_special_sections): New. * elfxx-mips.h (_bfd_mips_elf_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-target.h (elf_backend_special_sections): New. Default to NULL. (elfNN_bed): Initialize special_sections. * section.c (bfd_abs_section): Remove const. (bfd_und_section): Likewise. (bfd_com_section): Likewise. (bfd_ind_section): Likewise. gas/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * config/obj-elf.c (special_sections): Removed. (obj_elf_change_section): Call _bfd_elf_get_sec_type_attr. Set elf_section_type and elf_section_flags. (elf_frob_file): Set SHT_GROUP. * config/obj-elf.h (obj_sec_set_private_data): New. * config/tc-alpha.h (ELF_TC_SPECIAL_SECTIONS): Removed. * config/tc-ia64.h: Likewise. * config/tc-m32r.h: Likewise. * config/tc-m68hc11.h: Likewise. * config/tc-mcore.h: Likewise. * config/tc-mips.h: Likewise. * config/tc-ppc.h: Likewise. * config/tc-sh64.h: Likewise. * config/tc-v850.h: Likewise. * config/tc-xtensa.h: Likewise. * config/tc-v850.h (SHF_V850_GPREL): Removed. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise. * subsegs.c (subseg_get): Call obj_sec_set_private_data if it is defined. include/elf/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * v850.h (SHF_V850_GPREL): New. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog69
-rw-r--r--bfd/elf-bfd.h18
-rw-r--r--bfd/elf.c256
-rw-r--r--bfd/elf32-m32r.c11
-rw-r--r--bfd/elf32-m68hc11.c20
-rw-r--r--bfd/elf32-mcore.c11
-rw-r--r--bfd/elf32-ppc.c30
-rw-r--r--bfd/elf32-sh64.c9
-rw-r--r--bfd/elf32-v850.c33
-rw-r--r--bfd/elf32-xtensa.c16
-rw-r--r--bfd/elf64-alpha.c13
-rw-r--r--bfd/elf64-hppa.c13
-rw-r--r--bfd/elf64-ppc.c35
-rw-r--r--bfd/elf64-sh64.c9
-rw-r--r--bfd/elfxx-ia64.c11
-rw-r--r--bfd/elfxx-mips.c18
-rw-r--r--bfd/elfxx-mips.h3
-rw-r--r--bfd/elfxx-target.h5
-rw-r--r--bfd/section.c10
19 files changed, 527 insertions, 63 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f95dea19903..643f13e0100 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,72 @@
+2003-07-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * elf-bfd.h (bfd_elf_special_section): New.
+ (elf_backend_data): Add special_sections, a pointer to
+ bfd_elf_special_section.
+ (elf_section_type). New.
+ (elf_section_flags): New.
+ (_bfd_elf_get_sec_type_attr): New.
+
+ * elf.c (_bfd_elf_make_section_from_shdr): Always use the
+ real section type/flags.
+ (special_sections): New.
+ (get_special_section): New.
+ (_bfd_elf_get_sec_type_attr): New.
+ (_bfd_elf_new_section_hook): Check special_section to set
+ elf_section_type and elf_section_flags.
+ (elf_fake_sections): Don't use section name to set ELF section
+ data.
+
+ * elf32-m32r.c (m32r_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-m68hc11.c (elf32_m68hc11_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-mcore.c (mcore_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-ppc.c (ppc_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-sh64.c (sh64_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-v850.c (v850_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf32-xtensa.c (elf_xtensa_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf64-alpha.c (elf64_alpha_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf64-hppa.c (elf64_hppa_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf64-ppc.c (ppc64_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elf64-sh64.c (sh64_elf64_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elfxx-ia64.c (elfNN_ia64_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elfxx-mips.c (_bfd_mips_elf_special_sections): New.
+
+ * elfxx-mips.h (_bfd_mips_elf_special_sections): New.
+ (elf_backend_special_sections): Defined.
+
+ * elfxx-target.h (elf_backend_special_sections): New. Default
+ to NULL.
+ (elfNN_bed): Initialize special_sections.
+
+ * section.c (bfd_abs_section): Remove const.
+ (bfd_und_section): Likewise.
+ (bfd_com_section): Likewise.
+ (bfd_ind_section): Likewise.
+
2003-07-24 Nick Clifton <nickc@redhat.com>
* coff-arm.c (EXTRA_S_FLAGS): Include SEC_CODE so that code
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 2aa0c597e6c..d297a77318f 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -510,6 +510,17 @@ typedef enum {
ict_irix6
} irix_compat_t;
+/* Mapping of ELF section names and types. */
+struct bfd_elf_special_section
+{
+ const char *prefix;
+ size_t prefix_length;
+ const char *suffix;
+ size_t suffix_length;
+ int type;
+ int attributes;
+};
+
struct elf_backend_data
{
/* The architecture for this backend. */
@@ -871,6 +882,9 @@ struct elf_backend_data
const struct elf_size_info *s;
+ /* An array of target specific special section map. */
+ const struct bfd_elf_special_section *special_sections;
+
/* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the
.got section */
bfd_vma got_symbol_offset;
@@ -1006,6 +1020,8 @@ struct bfd_elf_section_data
};
#define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
+#define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type)
+#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
#define elf_group_name(sec) (elf_section_data(sec)->group.name)
#define elf_group_id(sec) (elf_section_data(sec)->group.id)
#define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
@@ -1374,6 +1390,8 @@ extern bfd_boolean _bfd_elf_new_section_hook
PARAMS ((bfd *, asection *));
extern bfd_boolean _bfd_elf_init_reloc_shdr
PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean));
+extern bfd_boolean _bfd_elf_get_sec_type_attr (bfd *, const char *,
+ int *, int *);
/* If the target doesn't have reloc handling written yet: */
extern void _bfd_elf_no_info_to_howto
diff --git a/bfd/elf.c b/bfd/elf.c
index e3428217e29..95aa1929d5d 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -741,6 +741,10 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name)
if (newsect == NULL)
return FALSE;
+ /* Always use the real type/flags. */
+ elf_section_type (newsect) = hdr->sh_type;
+ elf_section_flags (newsect) = hdr->sh_flags;
+
newsect->filepos = hdr->sh_offset;
if (! bfd_set_section_vma (abfd, newsect, hdr->sh_addr)
@@ -2139,12 +2143,145 @@ bfd_section_from_elf_index (abfd, index)
return elf_elfsections (abfd)[index]->bfd_section;
}
+static struct bfd_elf_special_section const special_sections[] =
+{
+ { ".bss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { ".comment", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".data", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".data1", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".debug", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".fini", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { ".init", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { ".line", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".rodata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".rodata1", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".tbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
+ { ".tdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
+ { ".text", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { ".init_array", 0, NULL, 0,
+ SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE },
+ { ".fini_array", 0, NULL, 0,
+ SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE },
+ { ".preinit_array", 0, NULL, 0,
+ SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE },
+ { ".debug_line", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".debug_info", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".debug_abbrev", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".debug_aranges", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".dynamic", 0, NULL, 0,
+ SHT_DYNAMIC, SHF_ALLOC },
+ { ".dynstr", 0, NULL, 0,
+ SHT_STRTAB, SHF_ALLOC },
+ { ".dynsym", 0, NULL, 0,
+ SHT_DYNSYM, SHF_ALLOC },
+ { ".got", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".hash", 0, NULL, 0,
+ SHT_HASH, SHF_ALLOC },
+ { ".interp", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".plt", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { ".shstrtab", 0, NULL, 0,
+ SHT_STRTAB, 0 },
+ { ".strtab", 0, NULL, 0,
+ SHT_STRTAB, 0 },
+ { ".symtab", 0, NULL, 0,
+ SHT_SYMTAB, 0 },
+ { ".gnu.version", 0, NULL, 0,
+ SHT_GNU_versym, 0 },
+ { ".gnu.version_d", 0, NULL, 0,
+ SHT_GNU_verdef, 0 },
+ { ".gnu.version_r", 0, NULL, 0,
+ SHT_GNU_verneed, 0 },
+ { ".note", 5, NULL, 0,
+ SHT_NOTE, 0 },
+ { ".rela", 5, NULL, 0,
+ SHT_RELA, 0 },
+ { ".rel", 4, NULL, 0,
+ SHT_REL, 0 },
+ { ".stab", 5, "str", 3,
+ SHT_STRTAB, 0 },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
+static const struct bfd_elf_special_section *
+get_special_section (const char *name,
+ const struct bfd_elf_special_section *special_sections,
+ unsigned int rela)
+{
+ int i;
+
+ for (i = 0; special_sections[i].prefix != NULL; i++)
+ if (((special_sections[i].prefix_length
+ && strncmp (name, special_sections[i].prefix,
+ special_sections[i].prefix_length) == 0
+ && (! special_sections[i].suffix_length
+ || strcmp ((name + strlen (name)
+ - special_sections[i].suffix_length),
+ special_sections[i].suffix) == 0))
+ || strcmp (name, special_sections[i].prefix) == 0)
+ && (rela || special_sections[i].type != SHT_RELA))
+ return &special_sections[i];
+
+ return NULL;
+}
+
+bfd_boolean
+_bfd_elf_get_sec_type_attr (bfd *abfd, const char *name,
+ int *type, int *attr)
+{
+ bfd_boolean found = FALSE;
+ struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
+ /* See if this is one of the special sections. */
+ if (name)
+ {
+ const struct bfd_elf_special_section *ssect = NULL;
+ unsigned int rela = get_elf_backend_data (abfd)->default_use_rela_p;
+
+ if (bed->special_sections)
+ ssect = get_special_section (name, bed->special_sections, rela);
+
+ if (! ssect)
+ ssect = get_special_section (name, special_sections, rela);
+
+ if (ssect)
+ {
+ *type = ssect->type;
+ *attr = ssect->attributes;
+ found = TRUE;
+ }
+ }
+
+ return found;
+}
+
bfd_boolean
_bfd_elf_new_section_hook (abfd, sec)
bfd *abfd;
asection *sec;
{
struct bfd_elf_section_data *sdata;
+ int type, attr;
sdata = (struct bfd_elf_section_data *) sec->used_by_bfd;
if (sdata == NULL)
@@ -2156,6 +2293,19 @@ _bfd_elf_new_section_hook (abfd, sec)
sec->used_by_bfd = (PTR) sdata;
}
+ if ((sec->flags & SEC_ALLOC) != 0
+ && (((sec->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
+ || (sec->flags & SEC_NEVER_LOAD) != 0))
+ elf_section_type (sec) = SHT_NOBITS;
+ else
+ elf_section_type (sec) = SHT_PROGBITS;
+ if (sec->name && _bfd_elf_get_sec_type_attr (abfd, sec->name,
+ &type, &attr))
+ {
+ elf_section_type (sec) = type;
+ elf_section_flags (sec) = attr;
+ }
+
/* Indicate whether or not this section should use RELA relocations. */
sec->use_rela_p = get_elf_backend_data (abfd)->default_use_rela_p;
@@ -2394,55 +2544,52 @@ elf_fake_sections (abfd, asect, failedptrarg)
this_hdr->bfd_section = asect;
this_hdr->contents = NULL;
- /* FIXME: This should not be based on section names. */
- if (strcmp (asect->name, ".dynstr") == 0)
- this_hdr->sh_type = SHT_STRTAB;
- else if (strcmp (asect->name, ".hash") == 0)
+ switch (this_hdr->sh_type)
{
- this_hdr->sh_type = SHT_HASH;
+ default:
+ (*_bfd_error_handler)
+ (_("%s: Section `%s' has unknown type 0x%0x"),
+ bfd_get_filename (asect->owner), asect->name,
+ this_hdr->sh_type);
+ abort ();
+ break;
+
+ case SHT_STRTAB:
+ case SHT_INIT_ARRAY:
+ case SHT_FINI_ARRAY:
+ case SHT_PREINIT_ARRAY:
+ case SHT_NOTE:
+ case SHT_NOBITS:
+ case SHT_PROGBITS:
+ break;
+
+ case SHT_HASH:
this_hdr->sh_entsize = bed->s->sizeof_hash_entry;
- }
- else if (strcmp (asect->name, ".dynsym") == 0)
- {
- this_hdr->sh_type = SHT_DYNSYM;
+ break;
+
+ case SHT_DYNSYM:
this_hdr->sh_entsize = bed->s->sizeof_sym;
- }
- else if (strcmp (asect->name, ".dynamic") == 0)
- {
- this_hdr->sh_type = SHT_DYNAMIC;
+ break;
+
+ case SHT_DYNAMIC:
this_hdr->sh_entsize = bed->s->sizeof_dyn;
- }
- else if (strncmp (asect->name, ".rela", 5) == 0
- && 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)->may_use_rel_p)
- {
- this_hdr->sh_type = SHT_REL;
- this_hdr->sh_entsize = bed->s->sizeof_rel;
- }
- else if (strcmp (asect->name, ".init_array") == 0)
- this_hdr->sh_type = SHT_INIT_ARRAY;
- else if (strcmp (asect->name, ".fini_array") == 0)
- this_hdr->sh_type = SHT_FINI_ARRAY;
- else if (strcmp (asect->name, ".preinit_array") == 0)
- this_hdr->sh_type = SHT_PREINIT_ARRAY;
- else if (strncmp (asect->name, ".note", 5) == 0)
- this_hdr->sh_type = SHT_NOTE;
- else if (strncmp (asect->name, ".stab", 5) == 0
- && strcmp (asect->name + strlen (asect->name) - 3, "str") == 0)
- this_hdr->sh_type = SHT_STRTAB;
- else if (strcmp (asect->name, ".gnu.version") == 0)
- {
- this_hdr->sh_type = SHT_GNU_versym;
+ break;
+
+ case SHT_RELA:
+ if (get_elf_backend_data (abfd)->may_use_rela_p)
+ this_hdr->sh_entsize = bed->s->sizeof_rela;
+ break;
+
+ case SHT_REL:
+ if (get_elf_backend_data (abfd)->may_use_rel_p)
+ this_hdr->sh_entsize = bed->s->sizeof_rel;
+ break;
+
+ case SHT_GNU_versym:
this_hdr->sh_entsize = sizeof (Elf_External_Versym);
- }
- else if (strcmp (asect->name, ".gnu.version_d") == 0)
- {
- this_hdr->sh_type = SHT_GNU_verdef;
+ break;
+
+ case SHT_GNU_verdef:
this_hdr->sh_entsize = 0;
/* objcopy or strip will copy over sh_info, but may not set
cverdefs. The linker will set cverdefs, but sh_info will be
@@ -2452,10 +2599,9 @@ elf_fake_sections (abfd, asect, failedptrarg)
else
BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0
|| this_hdr->sh_info == elf_tdata (abfd)->cverdefs);
- }
- else if (strcmp (asect->name, ".gnu.version_r") == 0)
- {
- this_hdr->sh_type = SHT_GNU_verneed;
+ break;
+
+ case SHT_GNU_verneed:
this_hdr->sh_entsize = 0;
/* objcopy or strip will copy over sh_info, but may not set
cverrefs. The linker will set cverrefs, but sh_info will be
@@ -2465,18 +2611,12 @@ elf_fake_sections (abfd, asect, failedptrarg)
else
BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0
|| this_hdr->sh_info == elf_tdata (abfd)->cverrefs);
- }
- else if ((asect->flags & SEC_GROUP) != 0)
- {
- this_hdr->sh_type = SHT_GROUP;
+ break;
+
+ case SHT_GROUP:
this_hdr->sh_entsize = 4;
+ break;
}
- else if ((asect->flags & SEC_ALLOC) != 0
- && (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
- || (asect->flags & SEC_NEVER_LOAD) != 0))
- this_hdr->sh_type = SHT_NOBITS;
- else
- this_hdr->sh_type = SHT_PROGBITS;
if ((asect->flags & SEC_ALLOC) != 0)
this_hdr->sh_flags |= SHF_ALLOC;
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 34773ce1a64..7e955e9b116 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -2091,6 +2091,16 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
return TRUE;
}
+
+static struct bfd_elf_special_section const m32r_elf_special_sections[]=
+{
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
#define ELF_ARCH bfd_arch_m32r
#define ELF_MACHINE_CODE EM_M32R
@@ -2126,5 +2136,6 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
#define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags m32r_elf_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data
+#define elf_backend_special_sections m32r_elf_special_sections
#include "elf32-target.h"
diff --git a/bfd/elf32-m68hc11.c b/bfd/elf32-m68hc11.c
index 03839074549..b9d9bfc312f 100644
--- a/bfd/elf32-m68hc11.c
+++ b/bfd/elf32-m68hc11.c
@@ -1281,6 +1281,25 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
}
}
+/* Specific sections:
+ - The .page0 is a data section that is mapped in [0x0000..0x00FF].
+ Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
+ are located in .page0.
+ - The .vectors is the data section that represents the interrupt
+ vectors. */
+static struct bfd_elf_special_section const elf32_m68hc11_special_sections[]=
+{
+ { ".eeprom", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".softregs", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { ".page0", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".vectors", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
#define ELF_ARCH bfd_arch_m68hc11
#define ELF_MACHINE_CODE EM_68HC11
@@ -1300,6 +1319,7 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
#define elf_backend_object_p 0
#define elf_backend_final_write_processing 0
#define elf_backend_can_gc_sections 1
+#define elf_backend_special_sections elf32_m68hc11_special_sections
#define bfd_elf32_bfd_link_hash_table_create \
m68hc11_elf_bfd_link_hash_table_create
diff --git a/bfd/elf32-mcore.c b/bfd/elf32-mcore.c
index e88f01d64be..3f878cfaca9 100644
--- a/bfd/elf32-mcore.c
+++ b/bfd/elf32-mcore.c
@@ -681,6 +681,16 @@ mcore_elf_check_relocs (abfd, info, sec, relocs)
return TRUE;
}
+static struct bfd_elf_special_section const mcore_elf_special_sections[]=
+{
+ { ".ctors", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".dtors", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
#define TARGET_BIG_SYM bfd_elf32_mcore_big_vec
#define TARGET_BIG_NAME "elf32-mcore-big"
#define TARGET_LITTLE_SYM bfd_elf32_mcore_little_vec
@@ -699,6 +709,7 @@ mcore_elf_check_relocs (abfd, info, sec, relocs)
#define elf_backend_gc_mark_hook mcore_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook mcore_elf_gc_sweep_hook
#define elf_backend_check_relocs mcore_elf_check_relocs
+#define elf_backend_special_sections mcore_elf_special_sections
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index ebf9dc05894..31765b18e35 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -6016,6 +6016,35 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
apuinfo_list_finish ();
}
+
+/* Add extra PPC sections -- Note, for now, make .sbss2 and
+ .PPC.EMB.sbss0 a normal section, and not a bss section so
+ that the linker doesn't crater when trying to make more than
+ 2 sections. */
+
+static struct bfd_elf_special_section const ppc_elf_special_sections[]=
+{
+ { ".tags", 0, NULL, 0,
+ SHT_ORDERED, SHF_ALLOC },
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { ".sdata2", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".sbss2", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".PPC.EMB.apuinfo", 0, NULL, 0,
+ SHT_NOTE, 0 },
+ { ".PPC.EMB.sdata0", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".PPC.EMB.sbss0", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".plt", 0, NULL, 0,
+ SHT_NOBITS, 0 },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
#define TARGET_LITTLE_NAME "elf32-powerpcle"
@@ -6075,5 +6104,6 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
#define elf_backend_begin_write_processing ppc_elf_begin_write_processing
#define elf_backend_final_write_processing ppc_elf_final_write_processing
#define elf_backend_write_section ppc_elf_write_section
+#define elf_backend_special_sections ppc_elf_special_sections
#include "elf32-target.h"
diff --git a/bfd/elf32-sh64.c b/bfd/elf32-sh64.c
index eabc8ee6c85..267854867a9 100644
--- a/bfd/elf32-sh64.c
+++ b/bfd/elf32-sh64.c
@@ -87,6 +87,7 @@ static void sh64_find_section_for_address
sh64_elf_link_output_symbol_hook
#define elf_backend_final_write_processing sh64_elf_final_write_processing
#define elf_backend_section_from_shdr sh64_backend_section_from_shdr
+#define elf_backend_special_sections sh64_elf_special_sections
#define bfd_elf32_new_section_hook sh64_elf_new_section_hook
@@ -734,6 +735,14 @@ sh64_elf_final_write_processing (bfd *abfd,
}
}
+static struct bfd_elf_special_section const sh64_elf_special_sections[]=
+{
+ { ".cranges", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM bfd_elf32_sh64_vec
#undef TARGET_BIG_NAME
diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c
index e41d0c0d7c4..8437c3ddec9 100644
--- a/bfd/elf32-v850.c
+++ b/bfd/elf32-v850.c
@@ -3139,6 +3139,38 @@ v850_elf_relax_section (abfd, sec, link_info, again)
result = FALSE;
goto finish;
}
+
+static struct bfd_elf_special_section const v850_elf_special_sections[]=
+{
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+ { ".rosdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_V850_GPREL },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+ { ".scommon", 0, NULL, 0,
+ SHT_V850_SCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+ { ".tdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL },
+ { ".tbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL },
+ { ".tcommon", 0, NULL, 0,
+ SHT_V850_TCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+ { ".zdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+ { ".rozdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_V850_R0REL },
+ { ".zbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+ { ".zcommon", 0, NULL, 0,
+ SHT_V850_ZCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+ { ".call_table_data", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".call_table_text", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
#define TARGET_LITTLE_SYM bfd_elf32_v850_vec
#define TARGET_LITTLE_NAME "elf32-v850"
@@ -3162,6 +3194,7 @@ v850_elf_relax_section (abfd, sec, link_info, again)
#define elf_backend_fake_sections v850_elf_fake_sections
#define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
#define elf_backend_gc_sweep_hook v850_elf_gc_sweep_hook
+#define elf_backend_special_sections v850_elf_special_sections
#define elf_backend_can_gc_sections 1
#define elf_backend_rela_normal 1
diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index 1f4b59476d2..3322c9efd68 100644
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -5865,6 +5865,21 @@ xtensa_callback_required_dependence (abfd, sec, link_info, callback, closure)
return ok;
}
+/* The default literal sections should always be marked as "code" (i.e.,
+ SHF_EXECINSTR). This is particularly important for the Linux kernel
+ module loader so that the literals are not placed after the text. */
+static struct bfd_elf_special_section const elf_xtensa_special_sections[]=
+{
+ { ".literal", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { ".init.literal", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { ".fini.literal", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
#ifndef ELF_ARCH
#define TARGET_LITTLE_SYM bfd_elf32_xtensa_le_vec
@@ -5925,5 +5940,6 @@ xtensa_callback_required_dependence (abfd, sec, link_info, callback, closure)
#define elf_backend_reloc_type_class elf_xtensa_reloc_type_class
#define elf_backend_relocate_section elf_xtensa_relocate_section
#define elf_backend_size_dynamic_sections elf_xtensa_size_dynamic_sections
+#define elf_backend_special_sections elf_xtensa_special_sections
#include "elf32-target.h"
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 625b24398a6..1d35a6d5d01 100644
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -5465,6 +5465,16 @@ elf64_alpha_reloc_type_class (rela)
}
}
+static struct bfd_elf_special_section const elf64_alpha_special_sections[]=
+{
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
/* ECOFF swapping routines. These are used when dealing with the
.mdebug section, which is in the ECOFF debugging format. Copied
from elf32-mips.c. */
@@ -5603,6 +5613,9 @@ static const struct elf_size_info alpha_elf_size_info =
#define elf_backend_size_info \
alpha_elf_size_info
+#define elf_backend_special_sections \
+ elf64_alpha_special_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
diff --git a/bfd/elf64-hppa.c b/bfd/elf64-hppa.c
index 2cee551d6b6..5d329e98de1 100644
--- a/bfd/elf64-hppa.c
+++ b/bfd/elf64-hppa.c
@@ -2667,6 +2667,16 @@ elf64_hppa_elf_get_symbol_type (elf_sym, type)
return type;
}
+static struct bfd_elf_special_section const elf64_hppa_special_sections[]=
+{
+ { ".fini", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".init", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
/* The hash bucket size is the standard one, namely 4. */
const struct elf_size_info hppa64_elf_size_info =
@@ -2764,6 +2774,7 @@ const struct elf_size_info hppa64_elf_size_info =
#define elf_backend_get_symbol_type elf64_hppa_elf_get_symbol_type
#define elf_backend_reloc_type_class elf64_hppa_reloc_type_class
#define elf_backend_rela_normal 1
+#define elf_backend_special_sections elf64_hppa_special_sections
#include "elf64-target.h"
@@ -2772,5 +2783,7 @@ const struct elf_size_info hppa64_elf_size_info =
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf64-hppa-linux"
+#undef elf_backend_special_sections
+
#define INCLUDED_TARGET_FILE 1
#include "elf64-target.h"
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index a052cd0d95a..1e6d22df147 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -28,6 +28,7 @@
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
+#include "elf/ppc.h"
#include "elf/ppc64.h"
#include "elf64-ppc.h"
@@ -90,6 +91,7 @@ static bfd_reloc_status_type ppc64_elf_unhandled_reloc
#define elf_backend_finish_dynamic_symbol ppc64_elf_finish_dynamic_symbol
#define elf_backend_reloc_type_class ppc64_elf_reloc_type_class
#define elf_backend_finish_dynamic_sections ppc64_elf_finish_dynamic_sections
+#define elf_backend_special_sections ppc64_elf_special_sections
/* The name of the dynamic interpreter. This is put in the .interp
section. */
@@ -8760,4 +8762,37 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
return TRUE;
}
+/* Add extra PPC sections -- Note, for now, make .sbss2 and
+ .PPC.EMB.sbss0 a normal section, and not a bss section so
+ that the linker doesn't crater when trying to make more than
+ 2 sections. */
+
+static struct bfd_elf_special_section const ppc64_elf_special_sections[]=
+{
+ { ".tags", 0, NULL, 0,
+ SHT_ORDERED, SHF_ALLOC },
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { ".sdata2", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".sbss2", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".PPC.EMB.apuinfo", 0, NULL, 0,
+ SHT_NOTE, 0 },
+ { ".PPC.EMB.sdata0", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".PPC.EMB.sbss0", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC },
+ { ".plt", 0, NULL, 0,
+ SHT_NOBITS, 0 },
+ { ".toc", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { ".tocbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
#include "elf64-target.h"
diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index 234b237bd00..905caddb290 100644
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -4112,6 +4112,14 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
return TRUE;
}
+static struct bfd_elf_special_section const sh64_elf64_special_sections[]=
+{
+ { ".cranges", 0, NULL, 0,
+ SHT_PROGBITS, 0 },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
#define TARGET_BIG_SYM bfd_elf64_sh64_vec
#define TARGET_BIG_NAME "elf64-sh64"
#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
@@ -4167,6 +4175,7 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
sh64_elf64_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
sh64_elf64_finish_dynamic_sections
+#define elf_backend_special_sections sh64_elf64_special_sections
#define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1
diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c
index 8d786d2c064..73ab4e88113 100644
--- a/bfd/elfxx-ia64.c
+++ b/bfd/elfxx-ia64.c
@@ -4773,6 +4773,16 @@ elfNN_ia64_reloc_type_class (rela)
}
}
+static struct bfd_elf_special_section const elfNN_ia64_special_sections[]=
+{
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
static bfd_boolean
elfNN_ia64_hpux_vec (const bfd_target *vec)
{
@@ -4880,6 +4890,7 @@ elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval)
#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
#define elf_backend_rela_normal 1
+#define elf_backend_special_sections elfNN_ia64_special_sections
#include "elfNN-target.h"
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index b8172238af3..4c5496516a8 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -9290,3 +9290,21 @@ _bfd_mips_elf_print_private_bfd_data (abfd, ptr)
return TRUE;
}
+
+struct bfd_elf_special_section const _bfd_mips_elf_special_sections[]=
+{
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+ { ".lit4", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+ { ".lit8", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+ { ".ucode", 0, NULL, 0,
+ SHT_MIPS_UCODE, 0 },
+ { ".mdebug", 0, NULL, 0,
+ SHT_MIPS_DEBUG, 0 },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
diff --git a/bfd/elfxx-mips.h b/bfd/elfxx-mips.h
index 088dd6a57eb..f6459a5de2a 100644
--- a/bfd/elfxx-mips.h
+++ b/bfd/elfxx-mips.h
@@ -112,3 +112,6 @@ extern bfd_boolean _bfd_mips_relax_section
PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
extern bfd_vma _bfd_mips_elf_sign_extend
PARAMS ((bfd_vma, int));
+
+extern struct bfd_elf_special_section const _bfd_mips_elf_special_sections[];
+#define elf_backend_special_sections _bfd_mips_elf_special_sections
diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h
index 58a96b14a01..c2bca912caa 100644
--- a/bfd/elfxx-target.h
+++ b/bfd/elfxx-target.h
@@ -434,6 +434,10 @@
#define elf_backend_size_info _bfd_elfNN_size_info
#endif
+#ifndef elf_backend_special_sections
+#define elf_backend_special_sections NULL
+#endif
+
#ifndef elf_backend_sign_extend_vma
#define elf_backend_sign_extend_vma 0
#endif
@@ -497,6 +501,7 @@ static const struct elf_backend_data elfNN_bed =
ELF_MACHINE_ALT1,
ELF_MACHINE_ALT2,
&elf_backend_size_info,
+ elf_backend_special_sections,
elf_backend_got_symbol_offset,
elf_backend_got_header_size,
elf_backend_plt_header_size,
diff --git a/bfd/section.c b/bfd/section.c
index aaeb0ef5060..5347c2b3f85 100644
--- a/bfd/section.c
+++ b/bfd/section.c
@@ -532,18 +532,18 @@ CODE_FRAGMENT
.#define BFD_IND_SECTION_NAME "*IND*"
.
.{* The absolute section. *}
-.extern const asection bfd_abs_section;
+.extern asection bfd_abs_section;
.#define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
.#define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
.{* Pointer to the undefined section. *}
-.extern const asection bfd_und_section;
+.extern asection bfd_und_section;
.#define bfd_und_section_ptr ((asection *) &bfd_und_section)
.#define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
.{* Pointer to the common section. *}
-.extern const asection bfd_com_section;
+.extern asection bfd_com_section;
.#define bfd_com_section_ptr ((asection *) &bfd_com_section)
.{* Pointer to the indirect section. *}
-.extern const asection bfd_ind_section;
+.extern asection bfd_ind_section;
.#define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
.#define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
.
@@ -616,7 +616,7 @@ static const asymbol global_syms[] =
#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
const asymbol * const SYM = (asymbol *) &global_syms[IDX]; \
- const asection SEC = \
+ asection SEC = \
/* name, id, index, next, flags, user_set_vma, reloc_done, */ \
{ NAME, IDX, 0, NULL, FLAGS, 0, 0, \
\