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* elf64-s390.c (elf_s390_check_relocs): Set DF_TEXTREL if the

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reloc is against read-only section.
	(elf_s390_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(elf_s390_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.

	* elf32-s390.c (elf_s390_check_relocs): Set DF_TEXTREL if the
	reloc is against read-only section.
	(elf_s390_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(elf_s390_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.

	* elf32-ppc.c (ppc_elf_check_relocs): Set DF_TEXTREL if the reloc
	is against read-only section.
	(ppc_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(ppc_elf_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
This commit is contained in:
Andreas Jaeger 2001-08-27 08:59:08 +00:00
parent 081310158f
commit 29c2fb7c2b
4 changed files with 97 additions and 65 deletions
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23
bfd/ChangeLog
View file

@ -1,3 +1,26 @@
2001-08-27 Andreas Jaeger <aj@suse.de>
* elf64-s390.c (elf_s390_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf_s390_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf_s390_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf32-s390.c (elf_s390_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf_s390_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf_s390_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf32-ppc.c (ppc_elf_check_relocs): Set DF_TEXTREL if the reloc
is against read-only section.
(ppc_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(ppc_elf_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
2001-08-26 Andreas Jaeger <aj@suse.de>
* elf32-cris.c (cris_elf_check_relocs): Set DF_TEXTREL if the

42
bfd/elf32-ppc.c
View file

@ -108,6 +108,7 @@ static boolean ppc_elf_finish_dynamic_symbol PARAMS ((bfd *,
Elf_Internal_Sym *));
static boolean ppc_elf_finish_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *));
static enum elf_reloc_type_class ppc_elf_reloc_type_class PARAMS ((int));
#define BRANCH_PREDICT_BIT 0x200000 /* branch prediction bit for branch taken relocs */
#define RA_REGISTER_MASK 0x001f0000 /* mask to set RA in memory instructions */
@ -1878,14 +1879,13 @@ ppc_elf_adjust_dynamic_symbol (info, h)
static boolean
ppc_elf_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
boolean plt;
boolean relocs;
boolean reltext;
#ifdef DEBUG
fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
@ -1930,7 +1930,6 @@ ppc_elf_size_dynamic_sections (output_bfd, info)
memory for them. */
plt = false;
relocs = false;
reltext = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
@ -1976,22 +1975,9 @@ ppc_elf_size_dynamic_sections (output_bfd, info)
}
else
{
asection *target;
const char *outname;
/* Remember whether there are any relocation sections. */
relocs = true;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL entry. */
outname = bfd_get_section_name (output_bfd,
s->output_section);
target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL
&& (target->flags & SEC_READONLY) != 0
&& (target->flags & SEC_ALLOC) != 0)
reltext = true;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
@ -2048,7 +2034,7 @@ ppc_elf_size_dynamic_sections (output_bfd, info)
return false;
}
if (reltext)
if ((info->flags & DF_TEXTREL) != 0)
{
if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
@ -2433,6 +2419,8 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
}
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf32_External_Rela);
@ -3712,6 +3700,25 @@ ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
return ret;
}
static enum elf_reloc_type_class
ppc_elf_reloc_type_class (type)
int type;
{
switch (type)
{
case R_PPC_RELATIVE:
return reloc_class_relative;
case R_PPC_REL24:
case R_PPC_ADDR24:
case R_PPC_JMP_SLOT:
return reloc_class_plt;
case R_PPC_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
#define TARGET_LITTLE_NAME "elf32-powerpcle"
@ -3757,5 +3764,6 @@ ppc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
#define elf_backend_fake_sections ppc_elf_fake_sections
#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
#define elf_backend_modify_segment_map ppc_elf_modify_segment_map
#define elf_backend_reloc_type_class ppc_elf_reloc_type_class
#include "elf32-target.h"

48
bfd/elf32-s390.c
View file

@ -56,6 +56,7 @@ static boolean elf_s390_finish_dynamic_symbol
static boolean elf_s390_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static boolean elf_s390_object_p PARAMS ((bfd *));
static enum elf_reloc_type_class elf_s390_reloc_type_class PARAMS ((int));
#define USE_RELA 1 /* We want RELA relocations, not REL. */
@ -712,6 +713,8 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
}
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf32_External_Rela);
@ -1089,12 +1092,11 @@ elf_s390_adjust_dynamic_symbol (info, h)
static boolean
elf_s390_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
boolean reltext;
boolean relocs;
boolean plt;
@ -1137,7 +1139,6 @@ elf_s390_size_dynamic_sections (output_bfd, info)
determined the sizes of the various dynamic sections. Allocate
memory for them. */
plt = false;
reltext = false;
relocs = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
@ -1184,29 +1185,10 @@ elf_s390_size_dynamic_sections (output_bfd, info)
}
else
{
asection *target;
/* Remember whether there are any reloc sections other
than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0)
{
const char *outname;
relocs = true;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL
entry. The entries in the .rela.plt section
really apply to the .got section, which we
created ourselves and so know is not readonly. */
outname = bfd_get_section_name (output_bfd,
s->output_section);
target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL
&& (target->flags & SEC_READONLY) != 0
&& (target->flags & SEC_ALLOC) != 0)
reltext = true;
}
relocs = true;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
@ -1262,7 +1244,7 @@ elf_s390_size_dynamic_sections (output_bfd, info)
return false;
}
if (reltext)
if ((info->flags & DF_TEXTREL) != 0)
{
if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
@ -2150,6 +2132,23 @@ elf_s390_object_p (abfd)
return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_esa);
}
static enum elf_reloc_type_class
elf_s390_reloc_type_class (type)
int type;
{
switch (type)
{
case R_390_RELATIVE:
return reloc_class_relative;
case R_390_JMP_SLOT:
return reloc_class_plt;
case R_390_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#define TARGET_BIG_SYM bfd_elf32_s390_vec
#define TARGET_BIG_NAME "elf32-s390"
#define ELF_ARCH bfd_arch_s390
@ -2180,6 +2179,7 @@ elf_s390_object_p (abfd)
#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_object_p elf_s390_object_p

49
bfd/elf64-s390.c
View file

@ -56,6 +56,7 @@ static boolean elf_s390_finish_dynamic_symbol
static boolean elf_s390_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static boolean elf_s390_object_p PARAMS ((bfd *));
static enum elf_reloc_type_class elf_s390_reloc_type_class PARAMS ((int));
#define USE_RELA 1 /* We want RELA relocations, not REL. */
@ -684,6 +685,8 @@ elf_s390_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
}
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf64_External_Rela);
@ -1069,12 +1072,11 @@ elf_s390_adjust_dynamic_symbol (info, h)
static boolean
elf_s390_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
boolean reltext;
boolean relocs;
boolean plt;
@ -1117,7 +1119,6 @@ elf_s390_size_dynamic_sections (output_bfd, info)
determined the sizes of the various dynamic sections. Allocate
memory for them. */
plt = false;
reltext = false;
relocs = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
@ -1164,29 +1165,10 @@ elf_s390_size_dynamic_sections (output_bfd, info)
}
else
{
asection *target;
/* Remember whether there are any reloc sections other
than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0)
{
const char *outname;
relocs = true;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL
entry. The entries in the .rela.plt section
really apply to the .got section, which we
created ourselves and so know is not readonly. */
outname = bfd_get_section_name (output_bfd,
s->output_section);
target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL
&& (target->flags & SEC_READONLY) != 0
&& (target->flags & SEC_ALLOC) != 0)
reltext = true;
}
relocs = true;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
@ -1242,7 +1224,7 @@ elf_s390_size_dynamic_sections (output_bfd, info)
return false;
}
if (reltext)
if ((info->flags & DF_TEXTREL) != 0)
{
if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
@ -2112,6 +2094,24 @@ elf_s390_object_p (abfd)
return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_esame);
}
static enum elf_reloc_type_class
elf_s390_reloc_type_class (type)
int type;
{
switch (type)
{
case R_390_RELATIVE:
return reloc_class_relative;
case R_390_JMP_SLOT:
return reloc_class_plt;
case R_390_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
/*
* Why was the hash table entry size definition changed from
* ARCH_SIZE/8 to 4? This breaks the 64 bit dynamic linker and
@ -2179,6 +2179,7 @@ const struct elf_size_info s390_elf64_size_info =
#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_object_p elf_s390_object_p