/* BFD back-end for ARM COFF files.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
Free Software Foundation, Inc.
Written by Cygnus Support.
#define SET_INTERWORK_FLAG( abfd, flg ) (coff_data (abfd)->flags = \
(coff_data (abfd)->flags & ~ F_INTERWORK) \
| (flg | F_INTERWORK_SET))
-
+
+#ifndef NUM_ELEM
+#define NUM_ELEM(a) ((sizeof (a)) / sizeof ((a)[0]))
+#endif
+
typedef enum {bunknown, b9, b12, b23} thumb_pcrel_branchtype;
/* some typedefs for holding instructions */
typedef unsigned long int insn32;
typedef unsigned short int insn16;
-
/* Forward declarations for stupid compilers. */
static boolean coff_arm_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
static boolean coff_arm_adjust_symndx
PARAMS ((bfd *, struct bfd_link_info *, bfd *,
asection *, struct internal_reloc *, boolean *));
-static reloc_howto_type * coff_arm_rtype_to_howto
+static reloc_howto_type * coff_arm_rtype_to_howto
PARAMS ((bfd *, asection *, struct internal_reloc *,
struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *));
static bfd_reloc_status_type coff_thumb_pcrel_common
PARAMS ((struct bfd_link_info *, CONST char *, bfd *));
static struct coff_link_hash_entry * find_arm_glue
PARAMS ((struct bfd_link_info *, CONST char *, bfd *));
+#ifndef COFF_IMAGE_WITH_PE
static void record_arm_to_thumb_glue
PARAMS ((struct bfd_link_info *, struct coff_link_hash_entry *));
static void record_thumb_to_arm_glue
PARAMS ((struct bfd_link_info *, struct coff_link_hash_entry *));
+#endif
static boolean coff_arm_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
static boolean coff_arm_print_private_bfd_data
Given a function name, and its type, the stub can be found. The
name can be changed. The only requirement is the %s be present.
*/
-
+
#define THUMB2ARM_GLUE_SECTION_NAME ".glue_7t"
#define THUMB2ARM_GLUE_ENTRY_NAME "__%s_from_thumb"
#define ARM2THUMB_GLUE_SECTION_NAME ".glue_7"
#define ARM2THUMB_GLUE_ENTRY_NAME "__%s_from_arm"
-/* Used by the assembler. */
+/* Used by the assembler. */
static bfd_reloc_status_type
coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
- asymbol *symbol;
+ asymbol *symbol ATTRIBUTE_UNUSED;
PTR data;
- asection *input_section;
+ asection *input_section ATTRIBUTE_UNUSED;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
symvalue diff;
if (output_bfd == (bfd *) NULL)
#endif
/* These most certainly belong somewhere else. Just had to get rid of
- the manifest constants in the code. */
-
+ the manifest constants in the code. */
#define ARM_8 0
#define ARM_16 1
#define ARM_32 2
#define ARM_THUMB12 13
#define ARM_THUMB23 14
-static reloc_howto_type aoutarm_std_reloc_howto[] =
+#ifdef ARM_WINCE
+#undef ARM_32
+#undef ARM_RVA32
+#undef ARM_26
+#undef ARM_THUMB12
+#undef ARM_26D
+
+#define ARM_32 1
+#define ARM_RVA32 2
+#define ARM_26 3
+#define ARM_THUMB12 4
+#define ARM_26D 5
+#define ARM_SECTION 14
+#define ARM_SECREL 15
+#endif
+
+static reloc_howto_type aoutarm_std_reloc_howto[] =
{
/* type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask pcdone */
+#ifdef ARM_WINCE
+ EMPTY_HOWTO (-1),
+ HOWTO (ARM_32,
+ 0,
+ 2,
+ 32,
+ false,
+ 0,
+ complain_overflow_bitfield,
+ coff_arm_reloc,
+ "ARM_32",
+ true,
+ 0xffffffff,
+ 0xffffffff,
+ PCRELOFFSET),
+ HOWTO (ARM_RVA32,
+ 0,
+ 2,
+ 32,
+ false,
+ 0,
+ complain_overflow_bitfield,
+ coff_arm_reloc,
+ "ARM_RVA32",
+ true,
+ 0xffffffff,
+ 0xffffffff,
+ PCRELOFFSET),
+ HOWTO (ARM_26,
+ 2,
+ 2,
+ 24,
+ true,
+ 0,
+ complain_overflow_signed,
+ aoutarm_fix_pcrel_26 ,
+ "ARM_26",
+ false,
+ 0x00ffffff,
+ 0x00ffffff,
+ PCRELOFFSET),
+ HOWTO (ARM_THUMB12,
+ 1,
+ 1,
+ 11,
+ true,
+ 0,
+ complain_overflow_signed,
+ coff_thumb_pcrel_12 ,
+ "ARM_THUMB12",
+ false,
+ 0x000007ff,
+ 0x000007ff,
+ PCRELOFFSET),
+ HOWTO (ARM_26D,
+ 2,
+ 2,
+ 24,
+ false,
+ 0,
+ complain_overflow_dont,
+ aoutarm_fix_pcrel_26_done,
+ "ARM_26D",
+ true,
+ 0x00ffffff,
+ 0x0,
+ false),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ HOWTO (ARM_SECTION,
+ 0,
+ 1,
+ 16,
+ false,
+ 0,
+ complain_overflow_bitfield,
+ coff_arm_reloc,
+ "ARM_16",
+ true,
+ 0x0000ffff,
+ 0x0000ffff,
+ PCRELOFFSET),
+ HOWTO (ARM_SECREL,
+ 0,
+ 2,
+ 32,
+ false,
+ 0,
+ complain_overflow_bitfield,
+ coff_arm_reloc,
+ "ARM_32",
+ true,
+ 0xffffffff,
+ 0xffffffff,
+ PCRELOFFSET),
+#else /* not ARM_WINCE */
HOWTO(ARM_8, /* type */
0, /* rightshift */
0, /* size */
0x000000ff, /* src_mask */
0x000000ff, /* dst_mask */
PCRELOFFSET /* pcrel_offset */),
- HOWTO(ARM_16,
- 0,
- 1,
- 16,
+ HOWTO(ARM_16,
+ 0,
+ 1,
+ 16,
false,
0,
complain_overflow_bitfield,
coff_arm_reloc,
- "ARM_16",
+ "ARM_16",
true,
0x0000ffff,
- 0x0000ffff,
+ 0x0000ffff,
PCRELOFFSET),
- HOWTO(ARM_32,
+ HOWTO(ARM_32,
0,
- 2,
+ 2,
32,
false,
0,
"ARM_26",
false,
0x00ffffff,
- 0x00ffffff,
+ 0x00ffffff,
PCRELOFFSET),
- HOWTO(ARM_DISP8,
+ HOWTO(ARM_DISP8,
0,
0,
- 8,
+ 8,
true,
0,
- complain_overflow_signed,
+ complain_overflow_signed,
coff_arm_reloc,
- "ARM_DISP8",
+ "ARM_DISP8",
true,
0x000000ff,
0x000000ff,
true),
- HOWTO( ARM_DISP16,
+ HOWTO( ARM_DISP16,
0,
1,
16,
true,
0,
- complain_overflow_signed,
+ complain_overflow_signed,
coff_arm_reloc,
"ARM_DISP16",
true,
32,
true,
0,
- complain_overflow_signed,
+ complain_overflow_signed,
coff_arm_reloc,
"ARM_DISP32",
true,
0xffffffff,
0xffffffff,
true),
- HOWTO( ARM_26D,
- 2,
+ HOWTO( ARM_26D,
+ 2,
2,
24,
false,
0,
complain_overflow_dont,
- aoutarm_fix_pcrel_26_done,
+ aoutarm_fix_pcrel_26_done,
"ARM_26D",
true,
0x00ffffff,
0x0,
false),
/* 8 is unused */
- {-1},
+ EMPTY_HOWTO (-1),
HOWTO( ARM_NEG16,
0,
-1,
16,
false,
- 0,
+ 0,
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_NEG16",
- true,
+ true,
+ 0x0000ffff,
0x0000ffff,
- 0x0000ffff,
false),
- HOWTO( ARM_NEG32,
- 0,
+ HOWTO( ARM_NEG32,
+ 0,
-2,
32,
false,
0xffffffff,
0xffffffff,
false),
- HOWTO( ARM_RVA32,
+ HOWTO( ARM_RVA32,
0,
- 2,
+ 2,
32,
false,
0,
"ARM_THUMB9",
false,
0x000000ff,
- 0x000000ff,
+ 0x000000ff,
PCRELOFFSET),
HOWTO( ARM_THUMB12,
1,
"ARM_THUMB12",
false,
0x000007ff,
- 0x000007ff,
+ 0x000007ff,
PCRELOFFSET),
HOWTO( ARM_THUMB23,
1,
"ARM_THUMB23",
false,
0x07ff07ff,
- 0x07ff07ff,
- PCRELOFFSET),
+ 0x07ff07ff,
+ PCRELOFFSET)
+#endif /* not ARM_WINCE */
};
+#define NUM_RELOCS NUM_ELEM (aoutarm_std_reloc_howto)
+
#ifdef COFF_WITH_PE
/* Return true if this relocation should
- appear in the output .reloc section. */
+ appear in the output .reloc section. */
static boolean
in_reloc_p (abfd, howto)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
reloc_howto_type * howto;
{
return !howto->pc_relative && howto->type != ARM_RVA32;
-}
+}
#endif
-
-#define RTYPE2HOWTO(cache_ptr, dst) \
- (cache_ptr)->howto = aoutarm_std_reloc_howto + (dst)->r_type;
+#define RTYPE2HOWTO(cache_ptr, dst) \
+ (cache_ptr)->howto = \
+ (dst)->r_type < NUM_RELOCS \
+ ? aoutarm_std_reloc_howto + (dst)->r_type \
+ : NULL
#define coff_rtype_to_howto coff_arm_rtype_to_howto
static reloc_howto_type *
coff_arm_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
struct internal_reloc *rel;
- struct coff_link_hash_entry *h;
- struct internal_syment *sym;
+ struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
+ struct internal_syment *sym ATTRIBUTE_UNUSED;
bfd_vma *addendp;
{
- reloc_howto_type *howto;
+ reloc_howto_type * howto;
+
+ if (rel->r_type >= NUM_RELOCS)
+ return NULL;
howto = aoutarm_std_reloc_howto + rel->r_type;
if (rel->r_type == ARM_RVA32)
- {
- *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
- }
+ *addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
return howto;
-
}
-/* Used by the assembler. */
+/* Used by the assembler. */
static bfd_reloc_status_type
aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry ATTRIBUTE_UNUSED;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
{
/* This is dead simple at present. */
return bfd_reloc_ok;
}
-/* Used by the assembler. */
+/* Used by the assembler. */
static bfd_reloc_status_type
aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_size_type addr = reloc_entry->address;
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
bfd_reloc_status_type flag = bfd_reloc_ok;
-
+
/* If this is an undefined symbol, return error */
if (symbol->section == &bfd_und_section
&& (symbol->flags & BSF_WEAK) == 0)
relocation -= input_section->output_section->vma;
relocation -= input_section->output_offset;
relocation -= addr;
-
+
if (relocation & 3)
return bfd_reloc_overflow;
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
thumb_pcrel_branchtype btype;
{
bfd_vma relocation = 0;
default:
abort ();
}
-
+
/* If this is an undefined symbol, return error */
if (symbol->section == &bfd_und_section
&& (symbol->flags & BSF_WEAK) == 0)
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
reloc_entry->howto = & aoutarm_std_reloc_howto [ARM_26D];
-
+
/* TODO: We should possibly have DONE entries for the THUMB PCREL relocations */
return flag;
}
input_section, output_bfd, error_message, b9);
}
-
static CONST struct reloc_howto_struct *
coff_arm_reloc_type_lookup (abfd, code)
bfd * abfd;
bfd_reloc_code_real_type code;
{
-#define ASTD(i,j) case i: return &aoutarm_std_reloc_howto[j]
+#define ASTD(i,j) case i: return aoutarm_std_reloc_howto + j
+
if (code == BFD_RELOC_CTOR)
switch (bfd_get_arch_info (abfd)->bits_per_address)
{
switch (code)
{
+#ifdef ARM_WINCE
+ ASTD (BFD_RELOC_32, ARM_32);
+ ASTD (BFD_RELOC_RVA, ARM_RVA32);
+ ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
+ ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
+#else
ASTD (BFD_RELOC_8, ARM_8);
ASTD (BFD_RELOC_16, ARM_16);
ASTD (BFD_RELOC_32, ARM_32);
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
+ ASTD (BFD_RELOC_ARM_PCREL_BLX, ARM_26);
ASTD (BFD_RELOC_8_PCREL, ARM_DISP8);
ASTD (BFD_RELOC_16_PCREL, ARM_DISP16);
ASTD (BFD_RELOC_32_PCREL, ARM_DISP32);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH9, ARM_THUMB9);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH23, ARM_THUMB23);
+#endif
default: return (CONST struct reloc_howto_struct *) 0;
}
}
{
/* The original coff_link_hash_table structure. MUST be first field. */
struct coff_link_hash_table root;
-
+
/* The size in bytes of the section containg the Thumb-to-ARM glue. */
long int thumb_glue_size;
-
+
/* The size in bytes of the section containg the ARM-to-Thumb glue. */
long int arm_glue_size;
/* An arbitary input BFD chosen to hold the glue sections. */
bfd * bfd_of_glue_owner;
- /* Support interworking with old, non-interworking aware ARM code. */
+ /* Support interworking with old, non-interworking aware ARM code. */
int support_old_code;
};
return & ret->root.root;
}
-static
+static void
arm_emit_base_file_entry (info, output_bfd, input_section, reloc_offset)
struct bfd_link_info *info;
bfd *output_bfd;
\f
/* 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
+ can occur in any order. So given a thumb form of long branch, and an
offset, insert the offset into the thumb branch and return finished
- instruction.
+ instruction.
- It takes two thumb instructions to encode the target address. Each has
+ It takes two thumb instructions to encode the target address. Each has
11 bits to invest. The upper 11 bits are stored in one (identifed by
- H-0.. see below), the lower 11 bits are stored in the other (identified
- by H-1).
+ H-0.. see below), the lower 11 bits are stored in the other (identified
+ by H-1).
- Combine together and shifted left by 1 (it's a half word address) and
+ Combine together and shifted left by 1 (it's a half word address) and
there you have it.
Op: 1111 = F,
Op: 1111 = F,
H-1, lower address-0 = 800
- They can be ordered either way, but the arm tools I've seen always put
+ They can be ordered either way, but the arm tools I've seen always put
the lower one first. It probably doesn't matter. krk@cygnus.com
XXX: Actually the order does matter. The second instruction (H-1)
unsigned int low_bits;
unsigned int high_bits;
-
BFD_ASSERT((rel_off & 1) != 1);
rel_off >>= 1; /* half word aligned address */
else if ((br_insn & HI_LOW_ORDER) == HI_LOW_ORDER)
br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
else
- abort(); /* error - not a valid branch instruction form */
+ abort (); /* error - not a valid branch instruction form */
/* FIXME: abort is probably not the right call. krk@cygnus.com */
BFD_ASSERT (tmp_name);
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
-
+
myh = coff_link_hash_lookup
(coff_hash_table (info), tmp_name, false, false, true);
-
+
if (myh == NULL)
/* xgettext:c-format */
_bfd_error_handler (_("%s: unable to find THUMB glue '%s' for `%s'"),
bfd_get_filename (input_bfd), tmp_name, name);
-
+
free (tmp_name);
return myh;
BFD_ASSERT (tmp_name);
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
-
+
myh = coff_link_hash_lookup
(coff_hash_table (info), tmp_name, false, false, true);
/* xgettext:c-format */
_bfd_error_handler (_("%s: unable to find ARM glue '%s' for `%s'"),
bfd_get_filename (input_bfd), tmp_name, name);
-
+
free (tmp_name);
return myh;
static const insn32 a2t2_bx_r12_insn = 0xe12fff1c;
static const insn32 a2t3_func_addr_insn = 0x00000001;
-#define A2T3_OFFSET 8
-
/*
Thumb->ARM: Thumb->(non-interworking aware) ARM
ldmia r13! {r6, lr}
bx lr
__func_addr:
- .word func
+ .word func
*/
#define THUMB2ARM_GLUE_SIZE (globals->support_old_code ? 20 : 8)
static const insn16 t2a2_noop_insn = 0x46c0;
static const insn32 t2a3_b_insn = 0xea000000;
-#define T2A3_OFFSET 8
-
static const insn16 t2a1_push_insn = 0xb540;
static const insn16 t2a2_ldr_insn = 0x4e03;
static const insn16 t2a3_mov_insn = 0x46fe;
instruction we should generate a trampoline stub (needed to
address the complete 32bit address space). */
-/* The standard COFF backend linker does not cope with the special
+/* The standard COFF backend linker does not cope with the special
Thumb BRANCH23 relocation. The alternative would be to split the
BRANCH23 into seperate HI23 and LO23 relocations. However, it is a
- bit simpler simply providing our own relocation driver. */
+ bit simpler simply providing our own relocation driver. */
/* The reloc processing routine for the ARM/Thumb COFF linker. NOTE:
This code is a very slightly modified copy of
sym = NULL;
}
else
- {
+ {
h = obj_coff_sym_hashes (input_bfd)[symndx];
sym = syms + symndx;
}
else
addend = 0;
-
howto = coff_rtype_to_howto (input_bfd, input_section, rel, h,
sym, &addend);
if (howto == NULL)
|| h->root.type == bfd_link_hash_defweak)
&& h->root.u.def.section->output_section == input_section->output_section)
{
- static reloc_howto_type fake_arm26_reloc =
+ static reloc_howto_type fake_arm26_reloc =
HOWTO (ARM_26,
2,
2,
"ARM_26",
false,
0x00ffffff,
- 0x00ffffff,
+ 0x00ffffff,
false);
addend -= rel->r_vaddr - input_section->vma;
howto = &fake_arm26_reloc;
}
+#ifdef ARM_WINCE
+ /* MS ARM-CE makes the reloc relative to the opcode's pc, not
+ the next opcode's pc, so is off by one. */
+ if (howto->pc_relative && !info->relocateable)
+ addend -= 8;
+#endif
+
/* If we are doing a relocateable link, then we can just ignore
a PC relative reloc that is pcrel_offset. It will already
have the correct value. If this is not a relocateable link,
{
if (info->relocateable)
continue;
+#if 0 /* We must not ignore the symbol value. If the symbol is
+ within the same section, the relocation should have already
+ been fixed, but if it is not, we'll be handed a reloc into
+ the beginning of the symbol's section, so we must not cancel
+ out the symbol's value, otherwise we'll be adding it in
+ twice. */
if (sym != NULL && sym->n_scnum != 0)
addend += sym->n_value;
+#endif
}
val = 0;
relocatable output file, since we may as well leave the
stub generation to the final linker pass. If we fail to
verify that the name is defined, we'll try to build stubs
- for an undefined name... */
+ for an undefined name... */
if (! info->relocateable
&& ( h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak))
{
asection * h_sec = h->root.u.def.section;
const char * name = h->root.root.string;
-
+
/* h locates the symbol referenced in the reloc. */
h_val = (h->root.u.def.value
+ h_sec->output_section->vma
long int my_offset;
asection * s;
long int ret_offset;
- struct coff_link_hash_entry * myh;
+ struct coff_link_hash_entry * myh;
struct coff_arm_link_hash_table * globals;
-
+
myh = find_arm_glue (info, name, input_bfd);
if (myh == NULL)
return false;
BFD_ASSERT (globals != NULL);
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
-
+
my_offset = myh->root.u.def.value;
-
- s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
+
+ s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
ARM2THUMB_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
BFD_ASSERT (s->contents != NULL);
bfd_put_32 (output_bfd, a2t1_ldr_insn,
s->contents + my_offset);
-
+
bfd_put_32 (output_bfd, a2t2_bx_r12_insn,
s->contents + my_offset + 4);
-
+
/* It's a thumb address. Add the low order bit. */
bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
s->contents + my_offset + 8);
if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, s, A2T3_OFFSET);
+ arm_emit_base_file_entry (info, output_bfd, s,
+ my_offset + 8);
}
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
- input_section->vma);
-
+
tmp = tmp & 0xFF000000;
- /* Somehow these are both 4 too far, so subtract 8. */
+ /* Somehow these are both 4 too far, so subtract 8. */
ret_offset =
s->output_offset
- + my_offset
+ + my_offset
+ s->output_section->vma
- (input_section->output_offset
- + input_section->output_section->vma
+ + input_section->output_section->vma
+ rel->r_vaddr)
- 8;
tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);
-
+
bfd_put_32 (output_bfd, tmp, contents + rel->r_vaddr
- input_section->vma);
-
done = 1;
}
}
-
+
+#ifndef ARM_WINCE
/* Note: We used to check for ARM_THUMB9 and ARM_THUMB12 */
else if (howto->type == ARM_THUMB23)
{
- if ( h->class == C_EXT
+ if ( h->class == C_EXT
|| h->class == C_STAT
|| h->class == C_LABEL)
{
return false;
globals = coff_arm_hash_table (info);
-
+
BFD_ASSERT (globals != NULL);
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
-
+
my_offset = myh->root.u.def.value;
-
- s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
+
+ s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
THUMB2ARM_GLUE_SECTION_NAME);
-
+
BFD_ASSERT (s != NULL);
BFD_ASSERT (s->contents != NULL);
BFD_ASSERT (s->output_section != NULL);
-
+
if ((my_offset & 0x01) == 0x01)
{
if (h_sec->owner != NULL
_bfd_error_handler
(_(" consider relinking with --support-old-code enabled"));
}
-
+
-- my_offset;
myh->root.u.def.value = my_offset;
{
bfd_put_16 (output_bfd, t2a1_push_insn,
s->contents + my_offset);
-
+
bfd_put_16 (output_bfd, t2a2_ldr_insn,
s->contents + my_offset + 2);
bfd_put_16 (output_bfd, t2a4_bx_insn,
s->contents + my_offset + 6);
-
+
bfd_put_32 (output_bfd, t2a5_pop_insn,
s->contents + my_offset + 8);
-
+
bfd_put_32 (output_bfd, t2a6_bx_insn,
s->contents + my_offset + 12);
-
+
/* Store the address of the function in the last word of the stub. */
bfd_put_32 (output_bfd, h_val,
s->contents + my_offset + 16);
+
+ if (info->base_file)
+ arm_emit_base_file_entry (info, output_bfd, s, my_offset + 16);
}
else
{
bfd_put_16 (output_bfd, t2a1_bx_pc_insn,
s->contents + my_offset);
-
+
bfd_put_16 (output_bfd, t2a2_noop_insn,
s->contents + my_offset + 2);
-
+
ret_offset =
((bfd_signed_vma) h_val) /* Address of destination of the stub */
- ((bfd_signed_vma)
+ s->output_section->vma) /* Address of the start of the current section. */
+ 4 /* The branch instruction is 4 bytes into the stub. */
+ 8); /* ARM branches work from the pc of the instruction + 8. */
-
+
bfd_put_32 (output_bfd,
t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
s->contents + my_offset + 4);
- if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, s, T2A3_OFFSET);
}
}
- (input_section->output_offset
+ rel->r_vaddr)
-4;
-
+
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
- input_section->vma);
insert_thumb_branch (tmp, ret_offset),
contents + rel->r_vaddr
- input_section->vma);
-
- if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
done = 1;
}
}
+#endif
}
-
+
/* If the relocation type and destination symbol does not
fall into one of the above categories, then we can just
- perform a direct link. */
+ perform a direct link. */
if (done)
rstat = bfd_reloc_ok;
- else
+ else
#endif /* THUMBEXTENSION */
if ( h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
- rel->r_vaddr - input_section->vma)))
+ rel->r_vaddr - input_section->vma, true)))
return false;
}
}
if (info->base_file)
{
- /* Emit a reloc if the backend thinks it needs it. */
+ /* Emit a reloc if the backend thinks it needs it. */
if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto))
arm_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
}
-
+
#if 1 /* THUMBEXTENSION */
if (done)
rstat = bfd_reloc_ok;
+#ifndef ARM_WINCE
/* Only perform this fix during the final link, not a relocatable link. nickc@cygnus.com */
else if (! info->relocateable
&& howto->type == ARM_THUMB23)
instruction. Again, it would probably be simpler adding a
ThumbBRANCH23 specific macro expansion into the default
code. */
-
+
bfd_vma address = rel->r_vaddr - input_section->vma;
-
+
if (address > input_section->_raw_size)
rstat = bfd_reloc_outofrange;
else
bfd_signed_vma signed_add;
BFD_ASSERT (size == 4);
-
+
/* howto->pc_relative should be TRUE for type 14 BRANCH23 */
relocation -= (input_section->output_section->vma
+ input_section->output_offset);
-
+
/* howto->pcrel_offset should be TRUE for type 14 BRANCH23 */
relocation -= address;
-
- /* No need to negate the relocation with BRANCH23. */
+
+ /* No need to negate the relocation with BRANCH23. */
/* howto->complain_on_overflow == complain_overflow_signed for BRANCH23. */
/* howto->rightshift == 1 */
/* Drop unwanted bits from the value we are relocating to. */
-
+
check = relocation >> howto->rightshift;
-
+
/* If this is a signed value, the rightshift just dropped
leading 1 bits (assuming twos complement). */
if ((bfd_signed_vma) relocation >= 0)
signed_check = (check
| ((bfd_vma) - 1
& ~((bfd_vma) - 1 >> howto->rightshift)));
-
+
/* Get the value from the object file. */
if (bfd_big_endian (input_bfd))
{
can not get the upper bit, but that does not matter since
signed_add needs no adjustment to become negative in that
case. */
-
+
signed_add = add;
-
+
if ((add & (((~ src_mask) >> 1) & src_mask)) != 0)
signed_add -= (((~ src_mask) >> 1) & src_mask) << 1;
-
+
/* Add the value from the object file, shifted so that it is a
straight number. */
/* howto->bitpos == 0 */
-
+
signed_check += signed_add;
relocation += signed_add;
if ( signed_check > reloc_signed_max
|| signed_check < reloc_signed_min)
overflow = true;
-
+
/* Put RELOCATION into the correct bits: */
-
+
if (bfd_big_endian (input_bfd))
{
relocation = (((relocation & 0xffe) >> 1) | ((relocation << 4) & 0x07ff0000));
{
relocation = (((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff));
}
-
+
/* Add RELOCATION to the correct bits of X: */
x = ((x & ~howto->dst_mask) | relocation);
rstat = overflow ? bfd_reloc_overflow : bfd_reloc_ok;
}
}
+#endif
else
#endif /* THUMBEXTENSION */
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
rel->r_vaddr - input_section->vma,
val, addend);
#if 1 /* THUMBEXTENSION */
- /* FIXME:
+ /* FIXME:
Is this the best way to fix up thumb addresses? krk@cygnus.com
Probably not, but it works, and if it works it don't need fixing! nickc@cygnus.com */
/* Only perform this fix during the final link, not a relocatable link. nickc@cygnus.com */
{
/* Determine if we need to set the bottom bit of a relocated address
because the address is the address of a Thumb code symbol. */
-
+
int patchit = false;
-
+
if (h != NULL
&& ( h->class == C_THUMBSTATFUNC
|| h->class == C_THUMBEXTFUNC))
bfd_put_32 (input_bfd, x | 1, location);
}
}
-#endif /* THUMBEXTENSION */
-
+#endif /* THUMBEXTENSION */
+
switch (rstat)
{
default:
return true;
}
-#ifdef COFF_IMAGE_WITH_PE
-static
-#endif
+#ifndef COFF_IMAGE_WITH_PE
+
boolean
-bfd_arm_allocate_interworking_sections (info)
+bfd_arm_allocate_interworking_sections (info)
struct bfd_link_info * info;
{
asection * s;
#endif
globals = coff_arm_hash_table (info);
-
+
BFD_ASSERT (globals != NULL);
if (globals->arm_glue_size != 0)
{
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
-
+
s = bfd_get_section_by_name
(globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
-
+
foo = (bfd_byte *) bfd_alloc
(globals->bfd_of_glue_owner, globals->arm_glue_size);
#if 0
memset (foo, test_char, globals->arm_glue_size);
#endif
-
+
s->_raw_size = s->_cooked_size = globals->arm_glue_size;
s->contents = foo;
}
if (globals->thumb_glue_size != 0)
{
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
-
+
s = bfd_get_section_by_name
(globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
-
+
foo = (bfd_byte *) bfd_alloc
(globals->bfd_of_glue_owner, globals->thumb_glue_size);
#if 0
memset (foo, test_char, globals->thumb_glue_size);
#endif
-
+
s->_raw_size = s->_cooked_size = globals->thumb_glue_size;
s->contents = foo;
}
BFD_ASSERT (tmp_name);
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
-
+
myh = coff_link_hash_lookup
(coff_hash_table (info), tmp_name, false, false, true);
-
+
if (myh != NULL)
{
free (tmp_name);
it. */
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
- BSF_GLOBAL,
+ BSF_GLOBAL,
s, globals->arm_glue_size + 1,
- NULL, true, false,
+ NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
-
+
free (tmp_name);
-
+
globals->arm_glue_size += ARM2THUMB_GLUE_SIZE;
return;
struct coff_link_hash_entry * myh;
struct coff_arm_link_hash_table * globals;
-
globals = coff_arm_hash_table (info);
-
+
BFD_ASSERT (globals != NULL);
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
myh = coff_link_hash_lookup
(coff_hash_table (info), tmp_name, false, false, true);
-
+
if (myh != NULL)
{
free (tmp_name);
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
BSF_GLOBAL, s, globals->thumb_glue_size + 1,
- NULL, true, false,
+ NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
-
+
/* If we mark it 'thumb', the disassembler will do a better job. */
myh->class = C_THUMBEXTFUNC;
free (tmp_name);
/* Allocate another symbol to mark where we switch to arm mode. */
-
+
#define CHANGE_TO_ARM "__%s_change_to_arm"
#define BACK_FROM_ARM "__%s_back_from_arm"
-
+
tmp_name = (char *) bfd_malloc (strlen (name) + strlen (CHANGE_TO_ARM) + 1);
-
+
BFD_ASSERT (tmp_name);
-
+
sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);
myh = NULL;
-
+
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
BSF_LOCAL, s, globals->thumb_glue_size
+ (globals->support_old_code ? 8 : 4),
- NULL, true, false,
+ NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
- free (tmp_name);
-
+ free (tmp_name);
+
globals->thumb_glue_size += THUMB2ARM_GLUE_SIZE;
return;
/* Select a BFD to be used to hold the sections used by the glue code.
This function is called from the linker scripts in ld/emultempl/
{armcoff/pe}.em */
-#ifdef COFF_IMAGE_WITH_PE
-static
-#endif
+
boolean
bfd_arm_get_bfd_for_interworking (abfd, info)
bfd * abfd;
struct coff_arm_link_hash_table * globals;
flagword flags;
asection * sec;
-
+
/* If we are only performing a partial link do not bother
getting a bfd to hold the glue. */
if (info->relocateable)
return true;
-
+
globals = coff_arm_hash_table (info);
-
+
BFD_ASSERT (globals != NULL);
if (globals->bfd_of_glue_owner != NULL)
return true;
-
+
sec = bfd_get_section_by_name (abfd, ARM2THUMB_GLUE_SECTION_NAME);
-
- if (sec == NULL)
+
+ if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
-
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
+
sec = bfd_make_section (abfd, ARM2THUMB_GLUE_SECTION_NAME);
-
+
if (sec == NULL
|| ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
sec = bfd_get_section_by_name (abfd, THUMB2ARM_GLUE_SECTION_NAME);
- if (sec == NULL)
+ if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
-
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
+
sec = bfd_make_section (abfd, THUMB2ARM_GLUE_SECTION_NAME);
-
+
if (sec == NULL
|| ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return false;
}
-
+
/* Save the bfd for later use. */
globals->bfd_of_glue_owner = abfd;
-
+
return true;
}
-#ifdef COFF_IMAGE_WITH_PE
-static
-#endif
boolean
bfd_arm_process_before_allocation (abfd, info, support_old_code)
bfd * abfd;
to construct any glue. */
if (info->relocateable)
return true;
-
+
/* Here we have a bfd that is to be included on the link. We have a hook
to do reloc rummaging, before section sizes are nailed down. */
_bfd_coff_get_external_symbols (abfd);
globals = coff_arm_hash_table (info);
-
+
BFD_ASSERT (globals != NULL);
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
globals->support_old_code = support_old_code;
-
+
/* Rummage around all the relocs and map the glue vectors. */
sec = abfd->sections;
struct internal_reloc * i;
struct internal_reloc * rel;
- if (sec->reloc_count == 0)
+ if (sec->reloc_count == 0)
continue;
/* Load the relocs. */
- /* FIXME: there may be a storage leak here. */
-
+ /* FIXME: there may be a storage leak here. */
+
i = _bfd_coff_read_internal_relocs (abfd, sec, 1, 0, 0, 0);
-
+
BFD_ASSERT (i != 0);
- for (rel = i; rel < i + sec->reloc_count; ++rel)
+ for (rel = i; rel < i + sec->reloc_count; ++rel)
{
unsigned short r_type = rel->r_type;
long symndx;
symndx = rel->r_symndx;
- /* If the relocation is not against a symbol it cannot concern us. */
+ /* If the relocation is not against a symbol it cannot concern us. */
if (symndx == -1)
continue;
+ /* If the index is outside of the range of our table, something has gone wrong. */
+ if (symndx >= obj_conv_table_size (abfd))
+ {
+ _bfd_error_handler (_("%s: illegal symbol index in reloc: %d"),
+ bfd_get_filename (abfd), symndx);
+ continue;
+ }
+
h = obj_coff_sym_hashes (abfd)[symndx];
/* If the relocation is against a static symbol it must be within
/* This one is a call from arm code. We need to look up
the target of the call. If it is a thumb target, we
insert glue. */
-
+
if (h->class == C_THUMBEXTFUNC)
record_arm_to_thumb_glue (info, h);
break;
-
+
+#ifndef ARM_WINCE
case ARM_THUMB23:
/* This one is a call from thumb code. We used to look
for ARM_THUMB9 and ARM_THUMB12 as well. We need to look
;
}
break;
-
+#endif
+
default:
break;
}
return true;
}
+#endif /* ! defined (COFF_IMAGE_WITH_PE) */
+
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
#define coff_relocate_section coff_arm_relocate_section
#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
#define coff_bfd_copy_private_bfd_data coff_arm_copy_private_bfd_data
#define coff_bfd_link_hash_table_create coff_arm_link_hash_table_create
-
/* When doing a relocateable link, we want to convert ARM26 relocs
into ARM26D relocs. */
static boolean
coff_arm_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
- bfd *obfd;
- struct bfd_link_info *info;
+ bfd *obfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
bfd *ibfd;
asection *sec;
struct internal_reloc *irel;
bfd_set_error (bfd_error_wrong_format);
return false;
}
-
+
if (APCS_FLOAT_FLAG (obfd) != APCS_FLOAT_FLAG (ibfd))
{
const char *msg;
else
/* xgettext: c-format */
msg = _("%s: ERROR: passes floats in integer registers whereas target %s uses float registers");
-
+
_bfd_error_handler (msg, bfd_get_filename (ibfd),
bfd_get_filename (obfd));
bfd_set_error (bfd_error_wrong_format);
return false;
}
-
+
if (PIC_FLAG (obfd) != PIC_FLAG (ibfd))
{
const char * msg;
else
{
SET_APCS_FLAGS (obfd, APCS_26_FLAG (ibfd) | APCS_FLOAT_FLAG (ibfd) | PIC_FLAG (ibfd));
-
+
/* Set up the arch and fields as well as these are probably wrong. */
bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
}
else
/* xgettext: c-format */
msg = _("Warning: input file %s does not support interworking, whereas %s does.");
-
+
_bfd_error_handler (msg, bfd_get_filename (ibfd),
bfd_get_filename (obfd));
}
return true;
}
-
/* Display the flags field. */
static boolean
PTR ptr;
{
FILE * file = (FILE *) ptr;
-
+
BFD_ASSERT (abfd != NULL && ptr != NULL);
-
+
/* xgettext:c-format */
fprintf (file, _("private flags = %x:"), coff_data (abfd)->flags);
-
+
if (APCS_SET (abfd))
{
/* xgettext: APCS is ARM Prodecure Call Standard, it should not be translated. */
else
fprintf (file, _(" [absolute position]"));
}
-
+
if (! INTERWORK_SET (abfd))
fprintf (file, _(" [interworking flag not initialised]"));
else if (INTERWORK_FLAG (abfd))
fprintf (file, _(" [interworking supported]"));
else
fprintf (file, _(" [interworking not supported]"));
-
+
fputc ('\n', file);
-
+
return true;
}
-
/* Copies the given flags into the coff_tdata.flags field.
Typically these flags come from the f_flags[] field of
the COFF filehdr structure, which contains important,
BFD_ASSERT (abfd != NULL);
flag = (flags & F_APCS26) ? F_APCS_26 : 0;
-
+
/* Make sure that the APCS field has not been initialised to the opposite
value. */
if (APCS_SET (abfd)
return false;
flag |= (flags & (F_APCS_FLOAT | F_PIC));
-
+
SET_APCS_FLAGS (abfd, flag);
flag = (flags & F_INTERWORK);
-
+
/* If the BFD has already had its interworking flag set, but it
is different from the value that we have been asked to set,
then assume that that merged code will not support interworking
return true;
}
-
/* Copy the important parts of the target specific data
from one instance of a BFD to another. */
bfd * dest;
{
BFD_ASSERT (src != NULL && dest != NULL);
-
+
if (src == dest)
return true;
/* If the src and dest have different APCS flag bits set, fail. */
if (APCS_26_FLAG (dest) != APCS_26_FLAG (src))
return false;
-
+
if (APCS_FLOAT_FLAG (dest) != APCS_FLOAT_FLAG (src))
return false;
-
+
if (PIC_FLAG (dest) != PIC_FLAG (src))
return false;
}
bfd_get_filename (dest),
bfd_get_filename (src));
}
-
+
SET_INTERWORK_FLAG (dest, 0);
}
}
#define USER_LABEL_PREFIX "_"
#endif
+/* Like _bfd_coff_is_local_label_name, but
+ a) test against USER_LABEL_PREFIX, to avoid stripping labels known to be
+ non-local.
+ b) Allow other prefixes than ".", e.g. an empty prefix would cause all
+ labels of the form Lxxx to be stripped. */
static boolean
coff_arm_is_local_label_name (abfd, name)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
const char * name;
{
-#ifdef LOCAL_LABEL_PREFIX
- /* If there is a prefix for local labels then look for this.
- If the prefix exists, but it is empty, then ignore the test. */
-
- if (LOCAL_LABEL_PREFIX[0] != 0)
- {
- if (strncmp (name, LOCAL_LABEL_PREFIX, strlen (LOCAL_LABEL_PREFIX)) == 0)
- return true;
- }
-#endif
#ifdef USER_LABEL_PREFIX
if (USER_LABEL_PREFIX[0] != 0)
{
return false;
}
#endif
-
- /* devo/gcc/config/dbxcoff.h defines ASM_OUTPUT_SOURCE_LINE to generate
- local line numbers as .LM<number>, so treat these as local. */
-
- switch (name[0])
+
+#ifdef LOCAL_LABEL_PREFIX
+ /* If there is a prefix for local labels then look for this.
+ If the prefix exists, but it is empty, then ignore the test. */
+
+ if (LOCAL_LABEL_PREFIX[0] != 0)
{
- case 'L': return true;
- case '.': return (name[1] == 'L' && name[2] == 'M') ? true : false;
- default: return false; /* Cannot make our minds up - default to
- false so that it will not be stripped
- by accident. */
+ int len = strlen (LOCAL_LABEL_PREFIX);
+
+ if (strncmp (name, LOCAL_LABEL_PREFIX, len) != 0)
+ return false;
+
+ /* Perform the checks below for the rest of the name. */
+ name += len;
}
+#endif
+
+ return name[0] == 'L';
}
/* This piece of machinery exists only to guarantee that the bfd that holds
- the glue section is written last.
+ the glue section is written last.
This does depend on bfd_make_section attaching a new section to the
- end of the section list for the bfd.
+ end of the section list for the bfd.
krk@cygnus.com */
static boolean
coff_arm_final_link_postscript (abfd, pfinfo)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
struct coff_final_link_info * pfinfo;
{
struct coff_arm_link_hash_table * globals;
globals = coff_arm_hash_table (pfinfo->info);
-
+
BFD_ASSERT (globals != NULL);
-
+
if (globals->bfd_of_glue_owner != NULL)
{
if (! _bfd_coff_link_input_bfd (pfinfo, globals->bfd_of_glue_owner))
return false;
-
- globals->bfd_of_glue_owner->output_has_begun = true;
- }
-
- return true;
-}
-
-#if 0
-#define coff_SWAP_sym_in arm_bfd_coff_swap_sym_in
-
-static void coff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
-
-/* Sepcial version of symbol swapper, used to grab a bfd
- onto which the glue sections can be attached. */
-static void
-arm_bfd_coff_swap_sym_in (abfd, ext1, in1)
- bfd * abfd;
- PTR ext1;
- PTR in1;
-{
- flagword flags;
- register asection * s;
-
- /* Do the normal swap in. */
- coff_swap_sym_in (abfd, ext1, in1);
-
- if (bfd_of_glue_owner != NULL) /* we already have a toc, so go home */
- return;
-
- /* Save the bfd for later allocation. */
- bfd_of_glue_owner = abfd;
- s = bfd_get_section_by_name (bfd_of_glue_owner ,
- ARM2THUMB_GLUE_SECTION_NAME);
-
- if (s == NULL)
- {
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ;
-
- s = bfd_make_section (bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
-
- if (s == NULL
- || !bfd_set_section_flags (bfd_of_glue_owner, s, flags)
- || !bfd_set_section_alignment (bfd_of_glue_owner, s, 2))
- {
- /* FIXME: set appropriate bfd error */
- abort();
- }
+ globals->bfd_of_glue_owner->output_has_begun = true;
}
- s = bfd_get_section_by_name (bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
-
- if (s == NULL)
- {
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ;
-
- s = bfd_make_section (bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
-
- if (s == NULL
- || !bfd_set_section_flags (bfd_of_glue_owner, s, flags)
- || !bfd_set_section_alignment (bfd_of_glue_owner, s, 2))
- {
- /* FIXME: set appropriate bfd error krk@cygnus.com */
- abort();
- }
- }
-
- return;
+ return true;
}
-#endif
#include "coffcode.h"
-const bfd_target
-#ifdef TARGET_LITTLE_SYM
-TARGET_LITTLE_SYM =
-#else
-armcoff_little_vec =
+#ifndef TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM armcoff_little_vec
#endif
-{
-#ifdef TARGET_LITTLE_NAME
- TARGET_LITTLE_NAME,
-#else
- "coff-arm-little",
+#ifndef TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME "coff-arm-little"
#endif
- bfd_target_coff_flavour,
- BFD_ENDIAN_LITTLE, /* data byte order is little */
- BFD_ENDIAN_LITTLE, /* header byte order is little */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
-
-#ifndef COFF_WITH_PE
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
-#else
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
+#ifndef TARGET_BIG_SYM
+#define TARGET_BIG_SYM armcoff_big_vec
#endif
-
-#ifdef TARGET_UNDERSCORE
- TARGET_UNDERSCORE, /* leading underscore */
-#else
- 0, /* leading underscore */
+#ifndef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "coff-arm-big"
#endif
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
-
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
- bfd_getl64, bfd_getl_signed_64, bfd_putl64,
- bfd_getl32, bfd_getl_signed_32, bfd_putl32,
- bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
-
-/* Note that we allow an object file to be treated as a core file as well. */
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, coff_object_p},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- (PTR) & bfd_coff_std_swap_table,
-};
-const bfd_target
-#ifdef TARGET_BIG_SYM
-TARGET_BIG_SYM =
-#else
-armcoff_big_vec =
+#ifndef TARGET_UNDERSCORE
+#define TARGET_UNDERSCORE 0
#endif
-{
-#ifdef TARGET_BIG_NAME
- TARGET_BIG_NAME,
+
+#ifdef COFF_WITH_PE
+#define EXTRA_S_FLAGS (SEC_LINK_ONCE | SEC_LINK_DUPLICATES)
#else
- "coff-arm-big",
+#define EXTRA_S_FLAGS 0
#endif
- bfd_target_coff_flavour,
- BFD_ENDIAN_BIG, /* data byte order is big */
- BFD_ENDIAN_BIG, /* header byte order is big */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+/* Forward declaration for use initialising alternative_target field. */
+extern const bfd_target TARGET_BIG_SYM ;
-#ifndef COFF_WITH_PE
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
-#else
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
-#endif
+/* Target vectors. */
+CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_BIG_SYM)
+CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_LITTLE_SYM)
-#ifdef TARGET_UNDERSCORE
- TARGET_UNDERSCORE, /* leading underscore */
-#else
- 0, /* leading underscore */
-#endif
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
-
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
-
-/* Note that we allow an object file to be treated as a core file as well. */
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, coff_object_p},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- BFD_JUMP_TABLE_GENERIC (coff),
- BFD_JUMP_TABLE_COPY (coff),
- BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
- BFD_JUMP_TABLE_SYMBOLS (coff),
- BFD_JUMP_TABLE_RELOCS (coff),
- BFD_JUMP_TABLE_WRITE (coff),
- BFD_JUMP_TABLE_LINK (coff),
- BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
-
- (PTR) & bfd_coff_std_swap_table,
-};
projects / deliverable / binutils-gdb.git / blobdiff