aboutsummaryrefslogtreecommitdiff
path: root/bfd/elf32-sh.c
diff options
context:
space:
mode:
authorAndreas Jaeger <aj@suse.de>2001-08-26 18:03:19 +0000
committerAndreas Jaeger <aj@suse.de>2001-08-26 18:03:19 +0000
commit99e4ae17b92a887d5832d39f70ab865193cabb4f (patch)
tree010d6142501a19e3f074974579a168a5a1aa757d /bfd/elf32-sh.c
parent5b3fabc9553c582d213a02ac8dcb35a2f227575d (diff)
downloadgdb-99e4ae17b92a887d5832d39f70ab865193cabb4f.zip
gdb-99e4ae17b92a887d5832d39f70ab865193cabb4f.tar.gz
gdb-99e4ae17b92a887d5832d39f70ab865193cabb4f.tar.bz2
* 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.
Diffstat (limited to 'bfd/elf32-sh.c')
-rw-r--r--bfd/elf32-sh.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index 11ea3a5..6cf4974 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -83,6 +83,8 @@ static asection * sh_elf_gc_mark_hook
static boolean sh_elf_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
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
section. */
@@ -1111,11 +1113,11 @@ sh_elf_relax_section (abfd, sec, link_info, again)
}
/* Get the address from which the register is being loaded. The
- displacement in the mov.l instruction is quadrupled. It is a
- displacement from four bytes after the movl instruction, but,
- before adding in the PC address, two least significant bits
- of the PC are cleared. We assume that the section is aligned
- on a four byte boundary. */
+ displacement in the mov.l instruction is quadrupled. It is a
+ displacement from four bytes after the movl instruction, but,
+ before adding in the PC address, two least significant bits
+ of the PC are cleared. We assume that the section is aligned
+ on a four byte boundary. */
paddr = insn & 0xff;
paddr *= 4;
paddr += (laddr + 4) & ~3;
@@ -2761,14 +2763,13 @@ sh_elf_adjust_dynamic_symbol (info, h)
static boolean
sh_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;
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
@@ -2810,7 +2811,6 @@ sh_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;
@@ -2856,29 +2856,10 @@ sh_elf_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. */
@@ -2934,7 +2915,7 @@ sh_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;
@@ -3957,6 +3938,8 @@ sh_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);
@@ -4441,6 +4424,23 @@ sh_elf_finish_dynamic_sections (output_bfd, info)
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
#define TARGET_BIG_SYM bfd_elf32_sh_vec
#define TARGET_BIG_NAME "elf32-sh"
@@ -4484,6 +4484,7 @@ sh_elf_finish_dynamic_sections (output_bfd, info)
sh_elf_finish_dynamic_symbol
#define elf_backend_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_plt_readonly 1