* elf32-cris.c (cris_elf_check_relocs): Set DF_TEXTREL if the

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

	* elf32-sh.c (sh_elf_check_relocs): Set DF_TEXTREL if the reloc is
	against read-only section.
	(elf_backend_reloc_type_class): Define.
	(sh_elf_reloc_type_class): New.
	(sh_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.

	* elf32-arm.h (elf32_arm_check_relocs): Set DF_TEXTREL if the
	reloc is against read-only section.
	(elf32_arm_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(elf32_arm_reloc_type_class): New.
This commit is contained in:
Andreas Jaeger
2001-08-26 18:03:19 +00:00
parent 5b3fabc955
commit 99e4ae17b9
4 changed files with 130 additions and 113 deletions

View File

@ -1,3 +1,26 @@
2001-08-26 Andreas Jaeger <aj@suse.de>
* elf32-cris.c (cris_elf_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf_cris_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf_cris_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
* elf32-sh.c (sh_elf_check_relocs): Set DF_TEXTREL if the reloc is
against read-only section.
(elf_backend_reloc_type_class): Define.
(sh_elf_reloc_type_class): New.
(sh_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
* elf32-arm.h (elf32_arm_check_relocs): Set DF_TEXTREL if the
reloc is against read-only section.
(elf32_arm_size_dynamic_sections): Use DF_TEXTREL flag instead of
looking up section names for DT_TEXTREL.
(elf32_arm_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
2001-08-25 Andreas Jaeger <aj@suse.de> 2001-08-25 Andreas Jaeger <aj@suse.de>
* oasys.c: Add missing prototypes. * oasys.c: Add missing prototypes.

View File

@ -91,6 +91,9 @@ boolean bfd_elf32_arm_get_bfd_for_interworking
PARAMS ((bfd *, struct bfd_link_info *)); PARAMS ((bfd *, struct bfd_link_info *));
boolean bfd_elf32_arm_process_before_allocation boolean bfd_elf32_arm_process_before_allocation
PARAMS ((bfd *, struct bfd_link_info *, int)); PARAMS ((bfd *, struct bfd_link_info *, int));
static enum elf_reloc_type_class elf32_arm_reloc_type_class
PARAMS ((int));
#define INTERWORK_FLAG(abfd) (elf_elfheader (abfd)->e_flags & EF_ARM_INTERWORK) #define INTERWORK_FLAG(abfd) (elf_elfheader (abfd)->e_flags & EF_ARM_INTERWORK)
/* The linker script knows the section names for placement. /* The linker script knows the section names for placement.
@ -2637,6 +2640,8 @@ elf32_arm_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2)) || ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false; return false;
} }
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
} }
sreloc->_raw_size += sizeof (Elf32_External_Rel); sreloc->_raw_size += sizeof (Elf32_External_Rel);
@ -2951,14 +2956,13 @@ elf32_arm_adjust_dynamic_symbol (info, h)
static boolean static boolean
elf32_arm_size_dynamic_sections (output_bfd, info) elf32_arm_size_dynamic_sections (output_bfd, info)
bfd * output_bfd; bfd * output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info * info; struct bfd_link_info * info;
{ {
bfd * dynobj; bfd * dynobj;
asection * s; asection * s;
boolean plt; boolean plt;
boolean relocs; boolean relocs;
boolean reltext;
dynobj = elf_hash_table (info)->dynobj; dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL); BFD_ASSERT (dynobj != NULL);
@ -3000,7 +3004,6 @@ elf32_arm_size_dynamic_sections (output_bfd, info)
memory for them. */ memory for them. */
plt = false; plt = false;
relocs = false; relocs = false;
reltext = false;
for (s = dynobj->sections; s != NULL; s = s->next) for (s = dynobj->sections; s != NULL; s = s->next)
{ {
const char * name; const char * name;
@ -3046,31 +3049,11 @@ elf32_arm_size_dynamic_sections (output_bfd, info)
} }
else else
{ {
asection * target;
/* Remember whether there are any reloc sections other /* Remember whether there are any reloc sections other
than .rel.plt. */ than .rel.plt. */
if (strcmp (name, ".rel.plt") != 0) if (strcmp (name, ".rel.plt") != 0)
{
const char *outname;
relocs = true; relocs = true;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL
entry. The entries in the .rel.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 + 4);
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 /* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */ to copy relocs into the output file. */
s->reloc_count = 0; s->reloc_count = 0;
@ -3133,7 +3116,7 @@ elf32_arm_size_dynamic_sections (output_bfd, info)
return false; return false;
} }
if (reltext) if ((info->flags & DF_TEXTREL) != 0)
{ {
if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0)) if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
return false; return false;
@ -3457,6 +3440,24 @@ elf32_arm_post_process_headers (abfd, link_info)
i_ehdrp->e_ident[EI_ABIVERSION] = ARM_ELF_ABI_VERSION; i_ehdrp->e_ident[EI_ABIVERSION] = ARM_ELF_ABI_VERSION;
} }
static enum elf_reloc_type_class
elf32_arm_reloc_type_class (type)
int type;
{
switch (type)
{
case R_ARM_RELATIVE:
return reloc_class_relative;
case R_ARM_JUMP_SLOT:
return reloc_class_plt;
case R_ARM_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#define ELF_ARCH bfd_arch_arm #define ELF_ARCH bfd_arch_arm
#define ELF_MACHINE_CODE EM_ARM #define ELF_MACHINE_CODE EM_ARM
#define ELF_MAXPAGESIZE 0x8000 #define ELF_MAXPAGESIZE 0x8000
@ -3480,6 +3481,7 @@ elf32_arm_post_process_headers (abfd, link_info)
#define elf_backend_finish_dynamic_sections elf32_arm_finish_dynamic_sections #define elf_backend_finish_dynamic_sections elf32_arm_finish_dynamic_sections
#define elf_backend_size_dynamic_sections elf32_arm_size_dynamic_sections #define elf_backend_size_dynamic_sections elf32_arm_size_dynamic_sections
#define elf_backend_post_process_headers elf32_arm_post_process_headers #define elf_backend_post_process_headers elf32_arm_post_process_headers
#define elf_backend_reloc_type_class elf32_arm_reloc_type_class
#define elf_backend_can_gc_sections 1 #define elf_backend_can_gc_sections 1
#define elf_backend_plt_readonly 1 #define elf_backend_plt_readonly 1

View File

@ -85,6 +85,8 @@ static boolean elf_cris_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *)); PARAMS ((bfd *, struct bfd_link_info *));
static void elf_cris_hide_symbol static void elf_cris_hide_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
static enum elf_reloc_type_class elf_cris_reloc_type_class
PARAMS ((int));
static reloc_howto_type cris_elf_howto_table [] = static reloc_howto_type cris_elf_howto_table [] =
{ {
@ -2575,6 +2577,8 @@ cris_elf_check_relocs (abfd, info, sec, relocs)
|| !bfd_set_section_alignment (dynobj, sreloc, 2)) || !bfd_set_section_alignment (dynobj, sreloc, 2))
return false; return false;
} }
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
} }
sreloc->_raw_size += sizeof (Elf32_External_Rela); sreloc->_raw_size += sizeof (Elf32_External_Rela);
@ -2642,14 +2646,13 @@ cris_elf_check_relocs (abfd, info, sec, relocs)
static boolean static boolean
elf_cris_size_dynamic_sections (output_bfd, info) elf_cris_size_dynamic_sections (output_bfd, info)
bfd *output_bfd; bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info; struct bfd_link_info *info;
{ {
bfd *dynobj; bfd *dynobj;
asection *s; asection *s;
boolean plt; boolean plt;
boolean relocs; boolean relocs;
boolean reltext;
dynobj = elf_hash_table (info)->dynobj; dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL); BFD_ASSERT (dynobj != NULL);
@ -2703,7 +2706,6 @@ elf_cris_size_dynamic_sections (output_bfd, info)
memory for them. */ memory for them. */
plt = false; plt = false;
relocs = false; relocs = false;
reltext = false;
for (s = dynobj->sections; s != NULL; s = s->next) for (s = dynobj->sections; s != NULL; s = s->next)
{ {
const char *name; const char *name;
@ -2749,41 +2751,11 @@ elf_cris_size_dynamic_sections (output_bfd, info)
} }
else else
{ {
asection *target;
/* Remember whether there are any reloc sections other /* Remember whether there are any reloc sections other
than .rela.plt. */ than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0) if (strcmp (name, ".rela.plt") != 0)
{
const char *outname;
relocs = true; 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 are actually
associated with .got.plt, 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 + strlen (".rela"));
/* We have to test the .text section by name, becase for
some reason it does not have SEC_READONLY set at this
time. That flag is actually set in ldmain.c:main
specifically for ".text" at a time long after this
function is called. FIXME: This might be due to a
general bug. FIXME: Have testcase for this. */
if (target != NULL
&& (target->flags & SEC_ALLOC) != 0
&& ((target->flags & SEC_READONLY) != 0
|| strcmp (outname + strlen (".rela"),
".text") == 0))
reltext = true;
}
/* We use the reloc_count field as a counter if we need /* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */ to copy relocs into the output file. */
s->reloc_count = 0; s->reloc_count = 0;
@ -2842,7 +2814,7 @@ elf_cris_size_dynamic_sections (output_bfd, info)
return false; return false;
} }
if (reltext) if ((info->flags & DF_TEXTREL) != 0)
{ {
if (!bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0)) if (!bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
return false; return false;
@ -3020,6 +2992,24 @@ cris_elf_merge_private_bfd_data (ibfd, obfd)
return true; return true;
} }
static enum elf_reloc_type_class
elf_cris_reloc_type_class (type)
int type;
{
switch (type)
{
case R_CRIS_RELATIVE:
return reloc_class_relative;
case R_CRIS_JUMP_SLOT:
return reloc_class_plt;
case R_CRIS_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#define ELF_ARCH bfd_arch_cris #define ELF_ARCH bfd_arch_cris
#define ELF_MACHINE_CODE EM_CRIS #define ELF_MACHINE_CODE EM_CRIS
@ -3063,6 +3053,7 @@ cris_elf_merge_private_bfd_data (ibfd, obfd)
#define bfd_elf32_bfd_final_link \ #define bfd_elf32_bfd_final_link \
_bfd_elf32_gc_common_final_link _bfd_elf32_gc_common_final_link
#define elf_backend_hide_symbol elf_cris_hide_symbol #define elf_backend_hide_symbol elf_cris_hide_symbol
#define elf_backend_reloc_type_class elf_cris_reloc_type_class
#define elf_backend_want_got_plt 1 #define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1 #define elf_backend_plt_readonly 1

View File

@ -83,6 +83,8 @@ static asection * sh_elf_gc_mark_hook
static boolean sh_elf_gc_sweep_hook static boolean sh_elf_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *, PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *)); const Elf_Internal_Rela *));
static enum elf_reloc_type_class sh_elf_reloc_type_class
PARAMS ((int));
/* The name of the dynamic interpreter. This is put in the .interp /* The name of the dynamic interpreter. This is put in the .interp
section. */ section. */
@ -2761,14 +2763,13 @@ sh_elf_adjust_dynamic_symbol (info, h)
static boolean static boolean
sh_elf_size_dynamic_sections (output_bfd, info) sh_elf_size_dynamic_sections (output_bfd, info)
bfd *output_bfd; bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info; struct bfd_link_info *info;
{ {
bfd *dynobj; bfd *dynobj;
asection *s; asection *s;
boolean plt; boolean plt;
boolean relocs; boolean relocs;
boolean reltext;
dynobj = elf_hash_table (info)->dynobj; dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL); BFD_ASSERT (dynobj != NULL);
@ -2810,7 +2811,6 @@ sh_elf_size_dynamic_sections (output_bfd, info)
memory for them. */ memory for them. */
plt = false; plt = false;
relocs = false; relocs = false;
reltext = false;
for (s = dynobj->sections; s != NULL; s = s->next) for (s = dynobj->sections; s != NULL; s = s->next)
{ {
const char *name; const char *name;
@ -2856,30 +2856,11 @@ sh_elf_size_dynamic_sections (output_bfd, info)
} }
else else
{ {
asection *target;
/* Remember whether there are any reloc sections other /* Remember whether there are any reloc sections other
than .rela.plt. */ than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0) if (strcmp (name, ".rela.plt") != 0)
{
const char *outname;
relocs = true; 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;
}
/* We use the reloc_count field as a counter if we need /* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */ to copy relocs into the output file. */
s->reloc_count = 0; s->reloc_count = 0;
@ -2934,7 +2915,7 @@ sh_elf_size_dynamic_sections (output_bfd, info)
return false; return false;
} }
if (reltext) if ((info->flags & DF_TEXTREL) != 0)
{ {
if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0)) if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
return false; return false;
@ -3957,6 +3938,8 @@ sh_elf_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2)) || ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false; return false;
} }
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
} }
sreloc->_raw_size += sizeof (Elf32_External_Rela); sreloc->_raw_size += sizeof (Elf32_External_Rela);
@ -4441,6 +4424,23 @@ sh_elf_finish_dynamic_sections (output_bfd, info)
return true; return true;
} }
static enum elf_reloc_type_class
sh_elf_reloc_type_class (type)
int type;
{
switch (type)
{
case R_SH_RELATIVE:
return reloc_class_relative;
case R_SH_JMP_SLOT:
return reloc_class_plt;
case R_SH_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#ifndef ELF_ARCH #ifndef ELF_ARCH
#define TARGET_BIG_SYM bfd_elf32_sh_vec #define TARGET_BIG_SYM bfd_elf32_sh_vec
#define TARGET_BIG_NAME "elf32-sh" #define TARGET_BIG_NAME "elf32-sh"
@ -4484,6 +4484,7 @@ sh_elf_finish_dynamic_sections (output_bfd, info)
sh_elf_finish_dynamic_symbol sh_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \ #define elf_backend_finish_dynamic_sections \
sh_elf_finish_dynamic_sections sh_elf_finish_dynamic_sections
#define elf_backend_reloc_type_class sh_elf_reloc_type_class
#define elf_backend_want_got_plt 1 #define elf_backend_want_got_plt 1
#define elf_backend_plt_readonly 1 #define elf_backend_plt_readonly 1