aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--bfd/ChangeLog25
-rw-r--r--bfd/bfd-in.h5
-rw-r--r--bfd/bfd-in2.h13
-rw-r--r--bfd/elf32-arm.h265
-rw-r--r--bfd/elfarm-nabi.c95
-rw-r--r--bfd/libbfd.h2
-rw-r--r--bfd/reloc.c10
-rw-r--r--gas/ChangeLog10
-rw-r--r--gas/config/tc-arm.c68
-rw-r--r--gas/testsuite/ChangeLog5
-rw-r--r--gas/testsuite/gas/arm/pic.d1
-rw-r--r--gas/testsuite/gas/arm/pic.s1
-rw-r--r--include/ChangeLog6
-rw-r--r--include/elf/arm.h11
14 files changed, 407 insertions, 110 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 29eee3d..85eb10b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,28 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * bfd-in.h (bfd_elf32_arm_set_target_relocs): Add prototype.
+ (bfd_elf32_arm_process_before_allocation): Update prototype.
+ * bfd-in2.h: Regenerate.
+ * bfd/elf32-arm.h (elf32_arm_link_hash_table): Add target2_reloc.
+ (elf32_arm_link_hash_table_create): Set it.
+ (bfd_elf32_arm_process_before_allocation): Remove target1_is_rel.
+ (bfd_elf32_arm_set_target_relocs): New function.
+ (arm_real_reloc_type): New function.
+ (elf32_arm_final_link_relocate): Use it. Handle R_ARM_PREL31 and
+ R_ARM_GOT_PREL. Remove R_ARM_TARGET1.
+ (elf32_arm_gc_sweep_hook): Ditto.
+ (elf32_arm_check_relocs): Ditto.
+ (elf32_arm_relocate_section): Handle R_ARM_GOT_PREL.
+ * elfarm-nabi.c (elf32_arm_howto_table): Add R_ARM_PREL31 and
+ R_ARM_GOT_TARGET2.
+ (elf32_arm_got_prel): New variable.
+ (elf32_arm_howto_from_type): New function.
+ (elf32_arm_info_to_howto): Use it.
+ (elf32_arm_reloc_map): Add BFD_RELOC_ARM_PREL31 and
+ BFD_RELOC_ARM_TARGET2.
+ * libbfd.h: Regenerate.
+ * reloc.c: Add BFD_RELOC_ARM_TARGET2 and BFD_RELOC_ARM_PREL31.
+
2004-09-17 Alan Modra <amodra@bigpond.net.au>
* ecoff.c: Update u.undef.next refs.
diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index da4c974..04dfe69 100644
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -814,7 +814,10 @@ extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
(struct bfd_link_info *);
extern bfd_boolean bfd_elf32_arm_process_before_allocation
- (bfd *, struct bfd_link_info *, int, int, int);
+ (bfd *, struct bfd_link_info *, int, int);
+
+void bfd_elf32_arm_set_target_relocs
+ (struct bfd_link_info *, int, char *);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 9f4c55a..4be38cf 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -821,7 +821,10 @@ extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
(struct bfd_link_info *);
extern bfd_boolean bfd_elf32_arm_process_before_allocation
- (bfd *, struct bfd_link_info *, int, int, int);
+ (bfd *, struct bfd_link_info *, int, int);
+
+void bfd_elf32_arm_set_target_relocs
+ (struct bfd_link_info *, int, char *);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
@@ -2649,6 +2652,14 @@ entries in .init_array sections. */
/* Data segment base relative address. */
BFD_RELOC_ARM_SBREL32,
+/* This reloc is used for References to RTTI dta from exception handling
+tables. The actual definition depends on the target. It may be a
+pc-relative or some form of GOT-indirect relocation. */
+ BFD_RELOC_ARM_TARGET2,
+
+/* 31-bit PC relative address. */
+ BFD_RELOC_ARM_PREL31,
+
/* Renesas / SuperH SH relocs. Not all of these appear in object files. */
BFD_RELOC_SH_PCDISP8BY2,
BFD_RELOC_SH_PCDISP12BY2,
diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index 79e089a..27e74d9 100644
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -186,6 +186,9 @@ struct elf32_arm_link_hash_table
Nonzero if R_ARM_TARGET1 means R_ARM_ABS32. */
int target1_is_rel;
+ /* The relocation to use for R_ARM_TARGET2 relocations. */
+ int target2_reloc;
+
/* The number of bytes in the initial entry in the PLT. */
bfd_size_type plt_header_size;
@@ -378,6 +381,7 @@ elf32_arm_link_hash_table_create (bfd *abfd)
ret->no_pipeline_knowledge = 0;
ret->byteswap_code = 0;
ret->target1_is_rel = 0;
+ ret->target2_reloc = R_ARM_NONE;
#ifdef FOUR_WORD_PLT
ret->plt_header_size = 16;
ret->plt_entry_size = 16;
@@ -757,8 +761,7 @@ bfd_boolean
bfd_elf32_arm_process_before_allocation (bfd *abfd,
struct bfd_link_info *link_info,
int no_pipeline_knowledge,
- int byteswap_code,
- int target1_is_rel)
+ int byteswap_code)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs = NULL;
@@ -781,7 +784,7 @@ bfd_elf32_arm_process_before_allocation (bfd *abfd,
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
globals->no_pipeline_knowledge = no_pipeline_knowledge;
- globals->target1_is_rel = target1_is_rel;
+
if (byteswap_code && !bfd_big_endian (abfd))
{
_bfd_error_handler (_("%B: BE8 images only valid in big-endian mode."),
@@ -906,6 +909,32 @@ error_return:
}
#endif
+
+#ifndef OLD_ARM_ABI
+/* Set target relocation values needed during linking. */
+
+void
+bfd_elf32_arm_set_target_relocs (struct bfd_link_info *link_info,
+ int target1_is_rel,
+ char * target2_type)
+{
+ struct elf32_arm_link_hash_table *globals;
+
+ globals = elf32_arm_hash_table (link_info);
+
+ globals->target1_is_rel = target1_is_rel;
+ if (strcmp (target2_type, "rel") == 0)
+ globals->target2_reloc = R_ARM_REL32;
+ else if (strcmp (target2_type, "got-rel") == 0)
+ globals->target2_reloc = R_ARM_GOT_PREL;
+ else
+ {
+ _bfd_error_handler (_("Invalid TARGET2 relocation type '%s'."),
+ target2_type);
+ }
+}
+#endif
+
/* The thumb form of a long branch is a bit finicky, because the offset
encoding is split over two fields, each in it's own instruction. They
can occur in any order. So given a thumb form of long branch, and an
@@ -1151,6 +1180,32 @@ elf32_arm_to_thumb_stub (struct bfd_link_info * info,
return TRUE;
}
+
+#ifndef OLD_ARM_ABI
+/* Some relocations map to different relocations depending on the
+ target. Return the real relocation. */
+static int
+arm_real_reloc_type (struct elf32_arm_link_hash_table * globals,
+ int r_type)
+{
+ switch (r_type)
+ {
+ case R_ARM_TARGET1:
+ if (globals->target1_is_rel)
+ return R_ARM_REL32;
+ else
+ return R_ARM_ABS32;
+
+ case R_ARM_TARGET2:
+ return globals->target2_reloc;
+
+ default:
+ return r_type;
+ }
+}
+#endif /* OLD_ARM_ABI */
+
+
/* Perform a relocation as part of a final link. */
static bfd_reloc_status_type
@@ -1186,15 +1241,9 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
#ifndef OLD_ARM_ABI
/* Some relocation type map to different relocations depending on the
target. We pick the right one here. */
- if (r_type == R_ARM_TARGET1)
- {
- if (globals->target1_is_rel)
- r_type = R_ARM_REL32;
- else
- r_type = R_ARM_ABS32;
-
- howto = &elf32_arm_howto_table[r_type];
- }
+ r_type = arm_real_reloc_type (globals, r_type);
+ if (r_type != howto->type)
+ howto = elf32_arm_howto_from_type (r_type);
#endif /* OLD_ARM_ABI */
/* If the start address has been set, then set the EF_ARM_HASENTRY
@@ -1245,6 +1294,7 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
case R_ARM_REL32:
#ifndef OLD_ARM_ABI
case R_ARM_XPC25:
+ case R_ARM_PREL31:
#endif
case R_ARM_PLT32:
/* r_symndx will be zero only for relocs against symbols
@@ -1257,7 +1307,11 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
will use the symbol's value, which may point to a PLT entry, but we
don't need to handle that here. If we created a PLT entry, all
branches in this object should go to it. */
- if ((r_type != R_ARM_ABS32 && r_type != R_ARM_REL32)
+ if ((r_type != R_ARM_ABS32 && r_type != R_ARM_REL32
+#ifndef OLD_ARM_ABI
+ && r_type != R_ARM_PREL31
+#endif
+ )
&& h != NULL
&& splt != NULL
&& h->plt.offset != (bfd_vma) -1)
@@ -1279,8 +1333,11 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
into the output file to be resolved at run time. */
if (info->shared
&& (input_section->flags & SEC_ALLOC)
- && (r_type != R_ARM_REL32
- || !SYMBOL_CALLS_LOCAL (info, h))
+ && ((r_type != R_ARM_REL32
+#ifndef OLD_ARM_ABI
+ && r_type != R_ARM_PREL31
+#endif
+ ) || !SYMBOL_CALLS_LOCAL (info, h))
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
@@ -1480,6 +1537,24 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
+ input_section->output_offset + rel->r_offset);
value += addend;
break;
+
+#ifndef OLD_ARM_ABI
+ case R_ARM_PREL31:
+ value -= (input_section->output_section->vma
+ + input_section->output_offset + rel->r_offset);
+ value += signed_addend;
+ if (! h || h->root.type != bfd_link_hash_undefweak)
+ {
+ /* Check for overflow */
+ if ((value ^ (value >> 1)) & (1 << 30))
+ return bfd_reloc_overflow;
+ }
+ value &= 0x7fffffff;
+ value |= (bfd_get_32 (input_bfd, hit_data) & 0x80000000);
+ if (sym_flags == STT_ARM_TFUNC)
+ value |= 1;
+ break;
+#endif
}
bfd_put_32 (input_bfd, value, hit_data);
@@ -1769,6 +1844,9 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
(bfd_vma) 0);
case R_ARM_GOT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_GOT_PREL:
+#endif
/* Relocation is to the entry for this symbol in the
global offset table. */
if (sgot == NULL)
@@ -1857,6 +1935,8 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
value = sgot->output_offset + off;
}
+ if (r_type != R_ARM_GOT32)
+ value += sgot->output_section->vma;
return _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset, value,
@@ -2130,6 +2210,9 @@ elf32_arm_relocate_section (bfd * output_bfd,
break;
case R_ARM_GOT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_GOT_PREL:
+#endif
if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL
(elf_hash_table (info)->dynamic_sections_created,
info->shared, h))
@@ -2726,6 +2809,9 @@ elf32_arm_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
const Elf_Internal_Rela *rel, *relend;
unsigned long r_symndx;
struct elf_link_hash_entry *h;
+ struct elf32_arm_link_hash_table * globals;
+
+ globals = elf32_arm_hash_table (info);
elf_section_data (sec)->local_dynrel = NULL;
@@ -2735,66 +2821,77 @@ elf32_arm_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
relend = relocs + sec->reloc_count;
for (rel = relocs; rel < relend; rel++)
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_ARM_GOT32:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
+ {
+ int r_type;
- case R_ARM_ABS32:
- case R_ARM_REL32:
+ r_type = ELF32_R_TYPE (rel->r_info);
#ifndef OLD_ARM_ABI
- case R_ARM_TARGET1:
+ r_type = arm_real_reloc_type (globals, r_type);
#endif
- case R_ARM_PC24:
- case R_ARM_PLT32:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf32_arm_link_hash_entry *eh;
- struct elf32_arm_relocs_copied **pp;
- struct elf32_arm_relocs_copied *p;
+ switch (r_type)
+ {
+ case R_ARM_GOT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_GOT_PREL:
+#endif
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->got.refcount > 0)
+ h->got.refcount -= 1;
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx] -= 1;
+ }
+ break;
+
+ case R_ARM_ABS32:
+ case R_ARM_REL32:
+ case R_ARM_PC24:
+ case R_ARM_PLT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_PREL31:
+#endif
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf32_arm_link_hash_entry *eh;
+ struct elf32_arm_relocs_copied **pp;
+ struct elf32_arm_relocs_copied *p;
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
+ if (h->plt.refcount > 0)
+ h->plt.refcount -= 1;
- if (ELF32_R_TYPE (rel->r_info) == R_ARM_ABS32
+ if (r_type == R_ARM_ABS32
#ifndef OLD_ARM_ABI
- || ELF32_R_TYPE (rel->r_info) == R_ARM_TARGET1
+ || r_type == R_ARM_PREL31
#endif
- || ELF32_R_TYPE (rel->r_info) == R_ARM_REL32)
- {
- eh = (struct elf32_arm_link_hash_entry *) h;
+ || r_type == R_ARM_REL32)
+ {
+ eh = (struct elf32_arm_link_hash_entry *) h;
- for (pp = &eh->relocs_copied; (p = *pp) != NULL;
- pp = &p->next)
- if (p->section == sec)
- {
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- }
- break;
+ for (pp = &eh->relocs_copied; (p = *pp) != NULL;
+ pp = &p->next)
+ if (p->section == sec)
+ {
+ p->count -= 1;
+ if (p->count == 0)
+ *pp = p->next;
+ break;
+ }
+ }
+ }
+ break;
- default:
- break;
- }
+ default:
+ break;
+ }
+ }
return TRUE;
}
@@ -2837,16 +2934,24 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
{
struct elf_link_hash_entry *h;
unsigned long r_symndx;
+ int r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
+ r_type = ELF32_R_TYPE (rel->r_info);
+#ifndef OLD_ARM_ABI
+ r_type = arm_real_reloc_type (htab, r_type);
+#endif
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- switch (ELF32_R_TYPE (rel->r_info))
+ switch (r_type)
{
case R_ARM_GOT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_GOT_PREL:
+#endif
/* This symbol requires a global offset table entry. */
if (h != NULL)
{
@@ -2871,7 +2976,9 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
}
local_got_refcounts[r_symndx] += 1;
}
- break;
+ if (r_type == R_ARM_GOT32)
+ break;
+ /* Fall through. */
case R_ARM_GOTOFF:
case R_ARM_GOTPC:
@@ -2886,11 +2993,11 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
case R_ARM_ABS32:
case R_ARM_REL32:
-#ifndef OLD_ARM_ABI
- case R_ARM_TARGET1:
-#endif
case R_ARM_PC24:
case R_ARM_PLT32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_PREL31:
+#endif
if (h != NULL)
{
/* If this reloc is in a read-only section, we might
@@ -2906,8 +3013,8 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
refers to is in a different object. We can't tell for
sure yet, because something later might force the
symbol local. */
- if (ELF32_R_TYPE (rel->r_info) == R_ARM_PC24
- || ELF32_R_TYPE (rel->r_info) == R_ARM_PLT32)
+ if (r_type == R_ARM_PC24
+ || r_type == R_ARM_PLT32)
h->needs_plt = 1;
/* If we create a PLT entry, this relocation will reference
@@ -2929,12 +3036,12 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
relocs_copied field of the hash table entry. */
if (info->shared
&& (sec->flags & SEC_ALLOC) != 0
- && ((ELF32_R_TYPE (rel->r_info) != R_ARM_PC24
- && ELF32_R_TYPE (rel->r_info) != R_ARM_PLT32
+ && ((r_type != R_ARM_PC24
+ && r_type != R_ARM_PLT32
#ifndef OLD_ARM_ABI
- && ELF32_R_TYPE (rel->r_info) != R_ARM_TARGET1
+ && r_type != R_ARM_PREL31
#endif
- && ELF32_R_TYPE (rel->r_info) != R_ARM_REL32)
+ && r_type != R_ARM_REL32)
|| (h != NULL
&& (! info->symbolic
|| !h->def_regular))))
@@ -3017,11 +3124,11 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info,
p->count = 0;
}
- if (ELF32_R_TYPE (rel->r_info) == R_ARM_ABS32
+ if (r_type == R_ARM_ABS32
#ifndef OLD_ARM_ABI
- || ELF32_R_TYPE (rel->r_info) == R_ARM_TARGET1
+ || r_type == R_ARM_PREL31
#endif
- || ELF32_R_TYPE (rel->r_info) == R_ARM_REL32)
+ || r_type == R_ARM_REL32)
p->count += 1;
}
break;
diff --git a/bfd/elfarm-nabi.c b/bfd/elfarm-nabi.c
index aef15d4..3eb2cbd 100644
--- a/bfd/elfarm-nabi.c
+++ b/bfd/elfarm-nabi.c
@@ -636,6 +636,34 @@ static reloc_howto_type elf32_arm_howto_table[] =
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ HOWTO (R_ARM_TARGET2, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_ARM_TARGET2", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_ARM_PREL31, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 31, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_ARM_PREL31", /* name */
+ FALSE, /* partial_inplace */
+ 0x7fffffff, /* src_mask */
+ 0x7fffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
};
/* GNU extension to record C++ vtable hierarchy */
@@ -702,52 +730,67 @@ static reloc_howto_type elf32_arm_thm_pc9_howto =
0x000000ff, /* dst_mask */
TRUE); /* pcrel_offset */
-static void elf32_arm_info_to_howto
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+/* Place relative GOT-indirect. */
+static reloc_howto_type elf32_arm_got_prel =
+ HOWTO (R_ARM_GOT_PREL, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_ARM_GOT_PREL", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ TRUE); /* pcrel_offset */
-static void
-elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc)
- bfd * abfd ATTRIBUTE_UNUSED;
- arelent * bfd_reloc;
- Elf_Internal_Rela * elf_reloc;
+static reloc_howto_type *
+elf32_arm_howto_from_type (unsigned int r_type)
{
- unsigned int r_type;
-
- r_type = ELF32_R_TYPE (elf_reloc->r_info);
-
+ if (r_type < NUM_ELEM (elf32_arm_howto_table))
+ return &elf32_arm_howto_table[r_type];
+
switch (r_type)
{
+ case R_ARM_GOT_PREL:
+ return &elf32_arm_got_prel;
+
case R_ARM_GNU_VTINHERIT:
- bfd_reloc->howto = & elf32_arm_vtinherit_howto;
- break;
+ return &elf32_arm_vtinherit_howto;
case R_ARM_GNU_VTENTRY:
- bfd_reloc->howto = & elf32_arm_vtentry_howto;
- break;
+ return &elf32_arm_vtentry_howto;
case R_ARM_THM_PC11:
- bfd_reloc->howto = & elf32_arm_thm_pc11_howto;
- break;
+ return &elf32_arm_thm_pc11_howto;
case R_ARM_THM_PC9:
- bfd_reloc->howto = & elf32_arm_thm_pc9_howto;
- break;
+ return &elf32_arm_thm_pc9_howto;
default:
- if (r_type >= NUM_ELEM (elf32_arm_howto_table))
- bfd_reloc->howto = NULL;
- else
- bfd_reloc->howto = & elf32_arm_howto_table[r_type];
- break;
+ return NULL;
}
}
+static void
+elf32_arm_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED, arelent * bfd_reloc,
+ Elf_Internal_Rela * elf_reloc)
+{
+ unsigned int r_type;
+
+ r_type = ELF32_R_TYPE (elf_reloc->r_info);
+ bfd_reloc->howto = elf32_arm_howto_from_type (r_type);
+}
+
struct elf32_arm_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
+/* All entries in this list must also be present in elf32_arm_howto_table. */
static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
{
{BFD_RELOC_NONE, R_ARM_NONE},
@@ -771,7 +814,9 @@ static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
{BFD_RELOC_ARM_PLT32, R_ARM_PLT32},
{BFD_RELOC_ARM_TARGET1, R_ARM_TARGET1},
{BFD_RELOC_ARM_ROSEGREL32, R_ARM_ROSEGREL32},
- {BFD_RELOC_ARM_SBREL32, R_ARM_SBREL32}
+ {BFD_RELOC_ARM_SBREL32, R_ARM_SBREL32},
+ {BFD_RELOC_ARM_PREL31, R_ARM_PREL31},
+ {BFD_RELOC_ARM_TARGET2, R_ARM_TARGET2}
};
static reloc_howto_type *
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 4e9a4c2..abe6a2a 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -1137,6 +1137,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_ARM_TARGET1",
"BFD_RELOC_ARM_ROSEGREL32",
"BFD_RELOC_ARM_SBREL32",
+ "BFD_RELOC_ARM_TARGET2",
+ "BFD_RELOC_ARM_PREL31",
"BFD_RELOC_SH_PCDISP8BY2",
"BFD_RELOC_SH_PCDISP12BY2",
"BFD_RELOC_SH_IMM3",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 1c95d7e..8356b60 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -2621,6 +2621,16 @@ ENUM
BFD_RELOC_ARM_SBREL32
ENUMDOC
Data segment base relative address.
+ENUM
+ BFD_RELOC_ARM_TARGET2
+ENUMDOC
+ This reloc is used for References to RTTI dta from exception handling
+ tables. The actual definition depends on the target. It may be a
+ pc-relative or some form of GOT-indirect relocation.
+ENUM
+ BFD_RELOC_ARM_PREL31
+ENUMDOC
+ 31-bit PC relative address.
ENUM
BFD_RELOC_SH_PCDISP8BY2
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2ccb27c..2a4f37f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * config/tc-arm.c (s_arm_rel31): New funciton.
+ (md_pseudo_table): Add .rel31.
+ (md_apply_fix3): Handle BFD_RELOC_ARM_TARGET2,
+ BFD_RELOC_32_PCREL and BFD_RELOC_ARM_PREL31.
+ (tc_gen_reloc): Handle BFD_RELOC_ARM_PREL31 and BFD_RELOC_ARM_TARGET2.
+ (arm_fix_adjustable): Return 0 for BFD_RELOC_ARM_TARGET2.
+ (arm_parse_reloc): Add (target2).
+
2004-09-17 Alan Modra <amodra@bigpond.net.au>
* Makefile.am: Run "make dep-am".
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index faa628b..b0dbff7 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -2445,6 +2445,7 @@ static void s_thumb_func PARAMS ((int));
static void s_thumb_set PARAMS ((int));
#ifdef OBJ_ELF
static void s_arm_elf_cons PARAMS ((int));
+static void s_arm_rel31 (int nbytes);
#endif
static int my_get_expression PARAMS ((expressionS *, char **));
@@ -2468,6 +2469,7 @@ const pseudo_typeS md_pseudo_table[] =
#ifdef OBJ_ELF
{ "word", s_arm_elf_cons, 4 },
{ "long", s_arm_elf_cons, 4 },
+ { "rel31", s_arm_rel31, 0 },
#else
{ "word", cons, 4},
#endif
@@ -12481,6 +12483,7 @@ md_apply_fix3 (fixP, valP, seg)
#ifdef OBJ_ELF
case BFD_RELOC_ARM_GOT32:
case BFD_RELOC_ARM_GOTOFF:
+ case BFD_RELOC_ARM_TARGET2:
md_number_to_chars (buf, 0, 4);
break;
#endif
@@ -12490,6 +12493,7 @@ md_apply_fix3 (fixP, valP, seg)
case BFD_RELOC_ARM_TARGET1:
case BFD_RELOC_ARM_ROSEGREL32:
case BFD_RELOC_ARM_SBREL32:
+ case BFD_RELOC_32_PCREL:
if (fixP->fx_done || fixP->fx_pcrel)
md_number_to_chars (buf, value, 4);
#ifdef OBJ_ELF
@@ -12502,6 +12506,20 @@ md_apply_fix3 (fixP, valP, seg)
break;
#ifdef OBJ_ELF
+ case BFD_RELOC_ARM_PREL31:
+ if (fixP->fx_done || fixP->fx_pcrel)
+ {
+ newval = md_chars_to_number (buf, 4) & 0x80000000;
+ if ((value ^ (value >> 1)) & 0x40000000)
+ {
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("rel31 relocation overflow"));
+ }
+ newval |= value & 0x7fffffff;
+ md_number_to_chars (buf, newval, 4);
+ }
+ break;
+
case BFD_RELOC_ARM_PLT32:
/* It appears the instruction is fully prepared at this point. */
break;
@@ -12780,6 +12798,8 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_ARM_TARGET1:
case BFD_RELOC_ARM_ROSEGREL32:
case BFD_RELOC_ARM_SBREL32:
+ case BFD_RELOC_ARM_PREL31:
+ case BFD_RELOC_ARM_TARGET2:
code = fixp->fx_r_type;
break;
#endif
@@ -14090,7 +14110,8 @@ arm_fix_adjustable (fixP)
/* Don't allow symbols to be discarded on GOT related relocs. */
if (fixP->fx_r_type == BFD_RELOC_ARM_PLT32
|| fixP->fx_r_type == BFD_RELOC_ARM_GOT32
- || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF)
+ || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF
+ || fixP->fx_r_type == BFD_RELOC_ARM_TARGET2)
return 0;
return 1;
@@ -14151,6 +14172,7 @@ arm_parse_reloc ()
MAP ("(plt)", BFD_RELOC_ARM_PLT32),
MAP ("(target1)", BFD_RELOC_ARM_TARGET1),
MAP ("(sbrel)", BFD_RELOC_ARM_SBREL32),
+ MAP ("(target2)", BFD_RELOC_ARM_TARGET2),
{ NULL, 0, BFD_RELOC_UNUSED }
#undef MAP
};
@@ -14225,6 +14247,50 @@ s_arm_elf_cons (nbytes)
demand_empty_rest_of_line ();
}
+
+/* Parse a .rel31 directive. */
+
+static void
+s_arm_rel31 (int ignored ATTRIBUTE_UNUSED)
+{
+ expressionS exp;
+ char *p;
+ valueT highbit;
+
+ SKIP_WHITESPACE ();
+
+ highbit = 0;
+ if (*input_line_pointer == '1')
+ highbit = 0x80000000;
+ else if (*input_line_pointer != '0')
+ as_bad (_("expected 0 or 1"));
+
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != ',')
+ as_bad (_("missing comma"));
+ input_line_pointer++;
+
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
+#ifdef md_cons_align
+ md_cons_align (4);
+#endif
+
+ mapping_state (MAP_DATA);
+
+ expression (&exp);
+
+ p = frag_more (4);
+ md_number_to_chars (p, highbit, 4);
+ fix_new_arm (frag_now, p - frag_now->fr_literal, 4, &exp, 1,
+ BFD_RELOC_ARM_PREL31);
+
+ demand_empty_rest_of_line ();
+}
+
#endif /* OBJ_ELF */
/* This is called from HANDLE_ALIGN in write.c. Fill in the contents
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index c2e4663..2d5d234 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * gas/arm/pic.s: Add (target2).
+ * gas/arm/pic.d: Ditto.
+
2004-09-13 Paul Brook <paul@codesourcery.com>
* gas/arm/pic.d: Rename RELABS to TARGET1.
diff --git a/gas/testsuite/gas/arm/pic.d b/gas/testsuite/gas/arm/pic.d
index ff536ad..2697136 100644
--- a/gas/testsuite/gas/arm/pic.d
+++ b/gas/testsuite/gas/arm/pic.d
@@ -17,3 +17,4 @@ Disassembly of section .text:
14: R_ARM_GOTPC _GLOBAL_OFFSET_TABLE_
18: R_ARM_TARGET1 foo2
1c: R_ARM_SBREL32 foo3
+ 20: R_ARM_TARGET2 foo4
diff --git a/gas/testsuite/gas/arm/pic.s b/gas/testsuite/gas/arm/pic.s
index 7a26750..3c3c329 100644
--- a/gas/testsuite/gas/arm/pic.s
+++ b/gas/testsuite/gas/arm/pic.s
@@ -11,3 +11,4 @@
.word _GLOBAL_OFFSET_TABLE_ - 1b
.word foo2(TARGET1)
.word foo3(SBREL)
+ .word foo4(TARGET2)
diff --git a/include/ChangeLog b/include/ChangeLog
index a1d374e..b6c1156 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,9 @@
+2004-09-17 Paul Brook <paul@codesourcery.com>
+
+ * elf/arm.h: Remove R_ARM_STKCHK and R_ARM_THM_STKCHK.
+ Add R_ARM_TARGET2, R_ARM_PREL31, R_ARM_GOT_ABS, R_ARM_GOT_PREL,
+ R_ARM_GOT_BREL12, R_ARM_GOTOFF12 and R_ARM_GOTRELAX.
+
2004-09-17 Alan Modra <amodra@bigpond.net.au>
* bfdlink.h (struct bfd_link_hash_entry): Move und_next into elements
diff --git a/include/elf/arm.h b/include/elf/arm.h
index 34bde17..05ba346 100644
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -130,10 +130,15 @@ START_RELOC_NUMBERS (elf_arm_reloc_type)
RELOC_NUMBER (R_ARM_TARGET1, 38)
RELOC_NUMBER (R_ARM_ROSEGREL32, 39)
RELOC_NUMBER (R_ARM_V4BX, 40)
- RELOC_NUMBER (R_ARM_STKCHK, 41)
- RELOC_NUMBER (R_ARM_THM_STKCHK, 42)
+ RELOC_NUMBER (R_ARM_TARGET2, 41)
+ RELOC_NUMBER (R_ARM_PREL31, 42)
FAKE_RELOC (FIRST_INVALID_RELOC2, 43)
- FAKE_RELOC (LAST_INVALID_RELOC2, 99)
+ FAKE_RELOC (LAST_INVALID_RELOC2, 94)
+ RELOC_NUMBER (R_ARM_GOT_ABS, 95)
+ RELOC_NUMBER (R_ARM_GOT_PREL, 96)
+ RELOC_NUMBER (R_ARM_GOT_BREL12, 97)
+ RELOC_NUMBER (R_ARM_GOTOFF12, 98)
+ RELOC_NUMBER (R_ARM_GOTRELAX, 99)
RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */
generated by cgit v1.1 at 2024-11-20 03:35:02 +0000