/* BFD back-end for ARM COFF files.
- Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998
+ Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "libcoff.h"
+/* Macros for manipulation the bits in the flags field of the coff data
+ structure. */
#define APCS_26_FLAG( abfd ) (coff_data (abfd)->flags & F_APCS_26)
#define APCS_FLOAT_FLAG( abfd ) (coff_data (abfd)->flags & F_APCS_FLOAT)
#define PIC_FLAG( abfd ) (coff_data (abfd)->flags & F_PIC)
HOWTO(ARM_26,
2,
2,
- 26,
+ 24,
true,
0,
complain_overflow_signed,
HOWTO( ARM_26D,
2,
2,
- 26,
+ 24,
false,
0,
complain_overflow_signed,
HOWTO( ARM_THUMB9,
1,
1,
- 9,
+ 8,
true,
0,
complain_overflow_signed,
HOWTO( ARM_THUMB12,
1,
1,
- 12,
+ 11,
true,
0,
complain_overflow_signed,
HOWTO( ARM_THUMB23,
1,
2,
- 23,
+ 22,
true,
0,
complain_overflow_signed,
0x07ff07ff,
PCRELOFFSET),
};
+
#ifdef COFF_WITH_PE
/* Return true if this relocation should
appear in the output .reloc section. */
-static boolean in_reloc_p (abfd, howto)
+static boolean
+in_reloc_p (abfd, howto)
bfd * abfd;
- reloc_howto_type *howto;
+ reloc_howto_type * howto;
{
- return !howto->pc_relative && howto->type != 11;
+ return !howto->pc_relative && howto->type != ARM_RVA32;
}
#endif
HOWTO (ARM_26,
2,
2,
- 26,
+ 24,
true,
0,
complain_overflow_signed,
/* Check for overflow */
if (relocation & 0x02000000)
{
- if ((relocation & ~0x03ffffff) != ~0x03ffffff)
+ if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
flag = bfd_reloc_overflow;
}
else if (relocation & ~0x03ffffff)
char **error_message;
thumb_pcrel_branchtype btype;
{
- bfd_vma relocation;
+ bfd_vma relocation = 0;
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;
else
relocation = ((target & 0x7ff) << 12) | ((target & 0x07ff0000) >> 15);
break;
+
+ default:
+ abort ();
}
relocation = (relocation ^ signbit) - signbit; /* Sign extend */
else
target |= ((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff);
break;
+
+ default:
+ abort ();
}
bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
static CONST struct reloc_howto_struct *
-arm_reloc_type_lookup(abfd,code)
- bfd *abfd;
+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 coff_bfd_reloc_type_lookup arm_reloc_type_lookup
-
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
#define COFF_PAGE_SIZE 0x1000
/* Turn a howto into a reloc nunmber */
#define BADMAG(x) ARMBADMAG(x)
#define ARM 1 /* Customize coffcode.h */
-/* The set of global variables that mark the total size of each kind
- of glue required. */
-static long int global_thumb_glue_size = 0;
-static long int global_arm_glue_size = 0;
+/* Extend the coff_link_hash_table structure with a few ARM specific fields.
+ This allows us to store global data here without actually creating any
+ global variables, which is a no-no in the BFD world. */
+struct coff_arm_link_hash_table
+{
+ /* 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;
+};
+
+/* Get the ARM coff linker hash table from a link_info structure. */
+#define coff_arm_hash_table(info) \
+ ((struct coff_arm_link_hash_table *) ((info)->hash))
+
+/* Create an ARM coff linker hash table. */
+
+static struct bfd_link_hash_table *
+coff_arm_link_hash_table_create (abfd)
+ bfd * abfd;
+{
+ struct coff_arm_link_hash_table * ret;
-static bfd * bfd_of_glue_owner = NULL;
+ ret = ((struct coff_arm_link_hash_table *)
+ bfd_alloc (abfd, sizeof (struct coff_arm_link_hash_table)));
+ if (ret == (struct coff_arm_link_hash_table *) NULL)
+ return NULL;
+
+ if (! _bfd_coff_link_hash_table_init
+ (& ret->root, abfd, _bfd_coff_link_hash_newfunc))
+ {
+ bfd_release (abfd, ret);
+ return (struct bfd_link_hash_table *) NULL;
+ }
+
+ ret->thumb_glue_size = 0;
+ ret->arm_glue_size = 0;
+ ret->bfd_of_glue_owner = NULL;
+
+ return & ret->root.root;
+}
/* some typedefs for holding instructions */
typedef unsigned long int insn32;
rel_off >>= 1; /* half word aligned address */
low_bits = rel_off & 0x000007FF; /* the bottom 11 bits */
- high_bits = ( rel_off >> 11 ) & 0x000007FF; /* the top 11 bits */
+ high_bits = (rel_off >> 11) & 0x000007FF; /* the top 11 bits */
if ((br_insn & LOW_HI_ORDER) == LOW_HI_ORDER)
br_insn = LOW_HI_ORDER | (low_bits << 16) | high_bits;
char * name;
bfd * input_bfd;
{
- char * tmp_name = 0;
- struct coff_link_hash_entry * myh = 0;
+ char * tmp_name;
+ struct coff_link_hash_entry * myh;
tmp_name = ((char *)
bfd_malloc (strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME)));
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
- myh = coff_link_hash_lookup (coff_hash_table (info),
- tmp_name,
- false, false, true);
+ myh = coff_link_hash_lookup
+ (coff_hash_table (info), tmp_name, false, false, true);
+
if (myh == NULL)
- {
- _bfd_error_handler ("%s: unable to find THUMB glue '%s' for `%s'",
- bfd_get_filename (input_bfd), tmp_name, name);
- }
+ _bfd_error_handler (_("%s: unable to find THUMB glue '%s' for `%s'"),
+ bfd_get_filename (input_bfd), tmp_name, name);
free (tmp_name);
char * name;
bfd * input_bfd;
{
- char *tmp_name = 0;
- struct coff_link_hash_entry *myh = 0;
+ char * tmp_name;
+ struct coff_link_hash_entry * myh;
tmp_name = ((char *)
bfd_malloc (strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME)));
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
- myh = coff_link_hash_lookup (coff_hash_table (info),
- tmp_name,
- false, false, true);
+ myh = coff_link_hash_lookup
+ (coff_hash_table (info), tmp_name, false, false, true);
if (myh == NULL)
- {
- _bfd_error_handler ("%s: unable to find ARM glue '%s' for `%s'",
- bfd_get_filename (input_bfd), tmp_name, name);
- }
+ _bfd_error_handler (_("%s: unable to find ARM glue '%s' for `%s'"),
+ bfd_get_filename (input_bfd), tmp_name, name);
free (tmp_name);
*/
#define ARM2THUMB_GLUE_SIZE 12
-static insn32
- a2t1_ldr_insn = 0xe59fc000,
- a2t2_bx_r12_insn = 0xe12fff1c,
+static const insn32
+ a2t1_ldr_insn = 0xe59fc000,
+ a2t2_bx_r12_insn = 0xe12fff1c,
a2t3_func_addr_insn = 0x00000001;
/*
*/
#define THUMB2ARM_GLUE_SIZE 8
-static insn16
+static const insn16
t2a1_bx_pc_insn = 0x4778,
t2a2_noop_insn = 0x46c0;
-static insn32
+static const insn32
t2a3_b_insn = 0xea000000;
/* TODO:
&& ( h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak))
{
- asection * sec;
asection * h_sec = h->root.u.def.section;
const char * name = h->root.root.string;
|| h->class == C_THUMBEXTFUNC)
{
/* Arm code calling a Thumb function */
- signed long int final_disp;
- unsigned long int tmp;
- long int my_offset;
- long int offset;
- asection * s = 0;
- unsigned long int return_address;
- long int ret_offset;
- long int disp;
- struct coff_link_hash_entry * myh;
-
+ unsigned long int tmp;
+ long int my_offset;
+ asection * s;
+ long int ret_offset;
+ 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;
- my_offset = myh->root.u.def.value;
+ globals = coff_arm_hash_table (info);
- s = bfd_get_section_by_name (bfd_of_glue_owner,
+ 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,
ARM2THUMB_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
&& INTERWORK_SET (h_sec->owner)
&& ! INTERWORK_FLAG (h_sec->owner))
- _bfd_error_handler ("%s: warning: interworking not enabled.",
- bfd_get_filename (h_sec->owner));
-
+ {
+ _bfd_error_handler
+ (_("%s(%s): warning: interworking not enabled."),
+ bfd_get_filename (h_sec->owner), name);
+ _bfd_error_handler
+ (_(" first occurrence: %s: arm call to thumb"),
+ bfd_get_filename (input_bfd));
+ }
+
--my_offset;
myh->root.u.def.value = my_offset;
- bfd_put_32 (output_bfd, a2t1_ldr_insn, s->contents + my_offset);
+ 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);
+ 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);
+ bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
+ s->contents + my_offset + 8);
}
- BFD_ASSERT (my_offset <= global_arm_glue_size);
+ BFD_ASSERT (my_offset <= globals->arm_glue_size);
- tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr - input_section->vma);
+ 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. */
ret_offset =
s->output_offset
tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);
- bfd_put_32 (output_bfd, tmp, contents + rel->r_vaddr - input_section->vma);
+ bfd_put_32 (output_bfd, tmp, contents + rel->r_vaddr
+ - input_section->vma);
done = 1;
}
|| h->class == C_LABEL)
{
/* Thumb code calling an ARM function */
- unsigned long int return_address;
- signed long int final_disp;
- asection * s = 0;
- long int my_offset;
- unsigned long int tmp;
- long int ret_offset;
- struct coff_link_hash_entry * myh;
+ asection * s = 0;
+ long int my_offset;
+ unsigned long int tmp;
+ long int ret_offset;
+ struct coff_link_hash_entry * myh;
+ struct coff_arm_link_hash_table * globals;
myh = find_thumb_glue (info, name, input_bfd);
if (myh == NULL)
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 (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
+ if (h_sec->owner != NULL
&& INTERWORK_SET (h_sec->owner)
&& ! INTERWORK_FLAG (h_sec->owner))
- _bfd_error_handler ("%s: warning: interworking not enabled.",
- bfd_get_filename (h_sec->owner));
+ {
+ _bfd_error_handler
+ (_("%s(%s): warning: interworking not enabled."),
+ bfd_get_filename (h_sec->owner), name);
+ _bfd_error_handler
+ (_(" first occurrence: %s: thumb call to arm"),
+ bfd_get_filename (input_bfd));
+ }
-- my_offset;
myh->root.u.def.value = my_offset;
s->contents + my_offset + 2);
ret_offset =
- ((signed)h_val) -
- ((signed)(s->output_offset
- + my_offset
- + s->output_section->vma))
- - 12;
-
- t2a3_b_insn |= ((ret_offset >> 2) & 0x00FFFFFF);
-
- bfd_put_32 (output_bfd, t2a3_b_insn, s->contents + my_offset + 4);
+ ((signed)h_val) - /* Address of destination of the stub */
+ ((signed)(s->output_offset /* Offset from the start of the current section to the start of the stubs. */
+ + my_offset /* Offset of the start of this stub from the start of the stubs. */
+ + 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);
}
- BFD_ASSERT (my_offset <= global_thumb_glue_size);
+ BFD_ASSERT (my_offset <= globals->thumb_glue_size);
- /* Now go back and fix up the original bl insn to point here. */
+ /* Now go back and fix up the original BL insn to point
+ to here. */
ret_offset =
s->output_offset
+ my_offset
+ rel->r_vaddr)
-4;
- tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr - input_section->vma);
+ tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
+ - input_section->vma);
bfd_put_32 (output_bfd,
insert_thumb_branch (tmp, ret_offset),
- contents + rel->r_vaddr - input_section->vma);
+ contents + rel->r_vaddr
+ - input_section->vma);
done = 1;
}
#if 1 /* THUMBEXTENSION */
if (done)
- ;
+ rstat = bfd_reloc_ok;
/* Only perform this fix during the final link, not a relocatable link. nickc@cygnus.com */
else if (! info->relocateable
&& howto->type == ARM_THUMB23)
bfd_vma address = rel->r_vaddr - input_section->vma;
if (address > input_section->_raw_size)
- rstat = bfd_reloc_outofrange;
+ rstat = bfd_reloc_outofrange;
else
{
bfd_vma relocation = val + addend;
|| sym->n_sclass == C_THUMBEXTFUNC)
patchit = true;
}
-
+
if (patchit)
{
bfd_byte * location = contents + rel->r_vaddr - input_section->vma;
break;
case bfd_reloc_outofrange:
(*_bfd_error_handler)
- ("%s: bad reloc address 0x%lx in section `%s'",
+ (_("%s: bad reloc address 0x%lx in section `%s'"),
bfd_get_filename (input_bfd),
(unsigned long) rel->r_vaddr,
bfd_get_section_name (input_bfd, input_section));
#ifndef COFF_WITH_PE
boolean
-arm_allocate_interworking_sections (info)
- struct bfd_link_info *info;
+bfd_arm_allocate_interworking_sections (info)
+ struct bfd_link_info * info;
{
- asection * s;
- bfd_byte * foo;
+ asection * s;
+ bfd_byte * foo;
+ struct coff_arm_link_hash_table * globals;
#if 0
- static char test_char = '1';
+ static char test_char = '1';
#endif
+
+ globals = coff_arm_hash_table (info);
- if (global_arm_glue_size != 0)
+ BFD_ASSERT (globals != NULL);
+
+ if (globals->arm_glue_size != 0)
{
- BFD_ASSERT (bfd_of_glue_owner != NULL);
+ BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
- s = bfd_get_section_by_name (bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
+ s = bfd_get_section_by_name
+ (globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (bfd_of_glue_owner, global_arm_glue_size);
-#if 0
- memset (foo, test_char, global_arm_glue_size);
+ 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 = global_arm_glue_size;
+ s->_raw_size = s->_cooked_size = globals->arm_glue_size;
s->contents = foo;
}
- if (global_thumb_glue_size != 0)
+ if (globals->thumb_glue_size != 0)
{
- BFD_ASSERT (bfd_of_glue_owner != NULL);
+ BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
- s = bfd_get_section_by_name (bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
+ s = bfd_get_section_by_name
+ (globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (bfd_of_glue_owner, global_thumb_glue_size);
+ foo = (bfd_byte *) bfd_alloc
+ (globals->bfd_of_glue_owner, globals->thumb_glue_size);
#if 0
- memset (foo, test_char, global_thumb_glue_size);
+ memset (foo, test_char, globals->thumb_glue_size);
#endif
- s->_raw_size = s->_cooked_size = global_thumb_glue_size;
+ s->_raw_size = s->_cooked_size = globals->thumb_glue_size;
s->contents = foo;
}
struct bfd_link_info * info;
struct coff_link_hash_entry * h;
{
- const char * name = h->root.root.string;
- register asection * s;
- char * tmp_name;
- struct coff_link_hash_entry * myh;
+ const char * name = h->root.root.string;
+ register asection * s;
+ char * tmp_name;
+ struct coff_link_hash_entry * myh;
+ struct coff_arm_link_hash_table * globals;
-
- BFD_ASSERT (bfd_of_glue_owner != NULL);
+ globals = coff_arm_hash_table (info);
- s = bfd_get_section_by_name (bfd_of_glue_owner,
- ARM2THUMB_GLUE_SECTION_NAME);
+ BFD_ASSERT (globals != NULL);
+ 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);
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
- myh = coff_link_hash_lookup (coff_hash_table (info),
- tmp_name,
- false, false, true);
+ myh = coff_link_hash_lookup
+ (coff_hash_table (info), tmp_name, false, false, true);
if (myh != NULL)
{
return; /* we've already seen this guy */
}
-
- /* The only trick here is using global_arm_glue_size as the value. Even
+ /* The only trick here is using globals->arm_glue_size as the value. Even
though the section isn't allocated yet, this is where we will be putting
it. */
- bfd_coff_link_add_one_symbol (info, bfd_of_glue_owner, tmp_name,
+ bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
BSF_EXPORT | BSF_GLOBAL,
- s, global_arm_glue_size + 1,
+ s, globals->arm_glue_size + 1,
NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
- global_arm_glue_size += ARM2THUMB_GLUE_SIZE;
+ globals->arm_glue_size += ARM2THUMB_GLUE_SIZE;
free (tmp_name);
struct bfd_link_info * info;
struct coff_link_hash_entry * h;
{
- const char * name = h->root.root.string;
- register asection * s;
- char * tmp_name;
- struct coff_link_hash_entry * myh;
+ const char * name = h->root.root.string;
+ register asection * s;
+ char * tmp_name;
+ struct coff_link_hash_entry * myh;
+ struct coff_arm_link_hash_table * globals;
- BFD_ASSERT (bfd_of_glue_owner != NULL);
+
+ globals = coff_arm_hash_table (info);
+
+ BFD_ASSERT (globals != NULL);
+ BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
- s = bfd_get_section_by_name (bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
+ s = bfd_get_section_by_name
+ (globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
BFD_ASSERT (s != NULL);
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
- myh = coff_link_hash_lookup (coff_hash_table (info),
- tmp_name,
- false, false, true);
+ myh = coff_link_hash_lookup
+ (coff_hash_table (info), tmp_name, false, false, true);
if (myh != NULL)
{
return; /* we've already seen this guy */
}
- bfd_coff_link_add_one_symbol (info, bfd_of_glue_owner, tmp_name,
- BSF_LOCAL, s, global_thumb_glue_size + 1,
+ bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
+ BSF_LOCAL, s, globals->thumb_glue_size + 1,
NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
- /* if we mark it 'thumb', the disassembler will do a better job */
+ /* If we mark it 'thumb', the disassembler will do a better job. */
myh->class = C_THUMBEXTFUNC;
free (tmp_name);
myh = NULL;
- /* now allocate another symbol to switch back to arm mode */
- bfd_coff_link_add_one_symbol (info, bfd_of_glue_owner, tmp_name,
- BSF_LOCAL, s, global_thumb_glue_size + 4,
+ /* Now allocate another symbol to switch back to arm mode. */
+ bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
+ BSF_LOCAL, s, globals->thumb_glue_size + 4,
NULL, true, false,
(struct bfd_link_hash_entry **) & myh);
free (tmp_name);
- global_thumb_glue_size += THUMB2ARM_GLUE_SIZE;
+ 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 */
+boolean
+bfd_arm_get_bfd_for_interworking (abfd, info)
+ bfd * abfd;
+ struct bfd_link_info * info;
+{
+ 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)
+ {
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
+
+ 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))
+ return false;
+ }
+
+ sec = bfd_get_section_by_name (abfd, THUMB2ARM_GLUE_SECTION_NAME);
+
+ if (sec == NULL)
+ {
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
+
+ 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;
+}
+
boolean
-arm_process_before_allocation (abfd, info)
+bfd_arm_process_before_allocation (abfd, info)
bfd * abfd;
struct bfd_link_info * info;
{
asection * sec;
+ struct coff_arm_link_hash_table * globals;
/* If we are only performing a partial link do not bother
to construct any glue. */
_bfd_coff_get_external_symbols (abfd);
+ globals = coff_arm_hash_table (info);
+
+ BFD_ASSERT (globals != NULL);
+ BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
+
/* 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)
continue;
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;
h = obj_coff_sym_hashes (abfd)[symndx];
/* If the relocation is against a static symbol it must be within
- the current section and so canot be a cross ARM/Thumb relocation. */
+ the current section and so cannot be a cross ARM/Thumb relocation. */
if (h == NULL)
continue;
insert glue. */
if (h->class == C_THUMBEXTFUNC)
- {
- record_arm_to_thumb_glue (info, h);
- }
+ record_arm_to_thumb_glue (info, h);
break;
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
up the target of the call. If it is an arm target, we
- insert glue. */
-
+ insert glue. If the symbol does not exist it will be
+ given a class of C_EXT and so we will generate a stub
+ for it. This is not really a problem, since the link
+ is doomed anyway. */
+
switch (h->class)
{
case C_EXT:
return true;
}
-#endif /* not COFF_WITH_PE */
+#endif /* ! COFF_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_adjust_symndx coff_arm_adjust_symndx
+#define coff_link_output_has_begun coff_arm_link_output_has_begun
+#define coff_final_link_postscript coff_arm_final_link_postscript
+#define coff_bfd_merge_private_bfd_data coff_arm_merge_private_bfd_data
+#define coff_bfd_print_private_bfd_data coff_arm_print_private_bfd_data
+#define coff_bfd_set_private_flags _bfd_coff_arm_set_private_flags
+#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
-#define coff_relocate_section coff_arm_relocate_section
/* When doing a relocateable link, we want to convert ARM26 relocs
into ARM26D relocs. */
return true;
}
-#ifndef COFF_WITH_PE
-
/* Called when merging the private data areas of two BFDs.
This is important as it allows us to detect if we are
attempting to merge binaries compiled for different ARM
targets, eg different CPUs or differents APCS's. */
static boolean
-coff_arm_bfd_merge_private_bfd_data (ibfd, obfd)
+coff_arm_merge_private_bfd_data (ibfd, obfd)
bfd * ibfd;
bfd * obfd;
{
/* If the two formats are different we cannot merge anything.
This is not an error, since it is permissable to change the
input and output formats. */
- if (ibfd->xvec != obfd->xvec)
+ if ( ibfd->xvec->flavour != bfd_target_coff_flavour
+ || obfd->xvec->flavour != bfd_target_coff_flavour)
return true;
-
+
/* Verify that the APCS is the same for the two BFDs */
if (APCS_SET (ibfd))
{
if (APCS_26_FLAG (obfd) != APCS_26_FLAG (ibfd))
{
_bfd_error_handler
- ("%s: ERROR: compiled for APCS-%d whereas target %s uses APCS-%d",
+ (_("%s: ERROR: compiled for APCS-%d whereas target %s uses APCS-%d"),
bfd_get_filename (ibfd), APCS_26_FLAG (ibfd) ? 26 : 32,
bfd_get_filename (obfd), APCS_26_FLAG (obfd) ? 26 : 32
);
if (APCS_FLOAT_FLAG (obfd) != APCS_FLOAT_FLAG (ibfd))
{
- _bfd_error_handler
- ("%s: ERROR: passes floats in %s registers whereas target %s uses %s registers",
- bfd_get_filename (ibfd), APCS_FLOAT_FLAG (ibfd) ? "float" : "integer",
- bfd_get_filename (obfd), APCS_FLOAT_FLAG (obfd) ? "float" : "integer"
- );
+ const char *msg;
+
+ if (APCS_FLOAT_FLAG (ibfd))
+ msg = _("%s: ERROR: passes floats in float registers whereas target %s uses integer registers");
+ else
+ 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))
{
- _bfd_error_handler
- ("%s: ERROR: compiled as %s code, whereas target %s is %s",
- bfd_get_filename (ibfd), PIC_FLAG (ibfd) ? "position independent" : "absoluste position",
- bfd_get_filename (obfd), PIC_FLAG (obfd) ? "position independent" : "absoluste position"
- );
+ const char *msg;
+
+ if (PIC_FLAG (ibfd))
+ msg = _("%s: ERROR: compiled as position independent code, whereas target %s is absolute position");
+ else
+ msg = _("%s: ERROR: compiled as absolute position code, whereas target %s is position independent");
+ _bfd_error_handler (msg, bfd_get_filename (ibfd),
+ bfd_get_filename (obfd));
bfd_set_error (bfd_error_wrong_format);
return false;
bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
}
}
-
+
/* Check the interworking support. */
if (INTERWORK_SET (ibfd))
{
/* If the src and dest differ in their interworking issue a warning. */
if (INTERWORK_FLAG (obfd) != INTERWORK_FLAG (ibfd))
{
- _bfd_error_handler
- ("Warning: input file %s %s interworking, whereas %s does%s",
- bfd_get_filename (ibfd),
- INTERWORK_FLAG (ibfd) ? "supports" : "does not support",
- bfd_get_filename (obfd),
- INTERWORK_FLAG (obfd) ? "." : " not."
- );
+ const char *msg;
+
+ if (INTERWORK_FLAG (ibfd))
+ msg = _("Warning: input file %s supports internetworking, whereas %s does not.");
+ else
+ msg = _("Warning: input file %s does not support internetworking, whereas %s does.");
+ _bfd_error_handler (msg, bfd_get_filename (ibfd),
+ bfd_get_filename (obfd));
}
}
else
/* Display the flags field. */
static boolean
-coff_arm_bfd_print_private_bfd_data (abfd, ptr)
+coff_arm_print_private_bfd_data (abfd, ptr)
bfd * abfd;
PTR ptr;
{
FILE * file = (FILE *) ptr;
- BFD_ASSERT (abfd != NULL && ptr != NULL)
+ BFD_ASSERT (abfd != NULL && ptr != NULL);
- fprintf (file, "private flags = %x", coff_data (abfd)->flags);
+ /* xgettext:c-format */
+ fprintf (file, _("private flags = %x:"), coff_data (abfd)->flags);
if (APCS_SET (abfd))
- fprintf (file, ": [APCS-%d] [floats passed in %s registers] [%s]",
- APCS_26_FLAG (abfd) ? 26 : 32,
- APCS_FLOAT_FLAG (abfd) ? "float" : "integer",
- PIC_FLAG (abfd) ? "position independent" : "absolute position"
- );
+ {
+ /* xgettext: APCS is ARM Prodecure Call Standard, it should not be translated. */
+ fprintf (file, " [APCS-%d]", APCS_26_FLAG (abfd) ? 26 : 32);
+
+ if (APCS_FLOAT_FLAG (abfd))
+ fprintf (file, _(" [floats passed in float registers]"));
+ else
+ fprintf (file, _(" [floats passed in integer registers]"));
+
+ if (PIC_FLAG (abfd))
+ fprintf (file, _(" [position independent]"));
+ else
+ fprintf (file, _(" [absolute position]"));
+ }
- if (INTERWORK_SET (abfd))
- fprintf (file, ": [interworking %ssupported]",
- INTERWORK_FLAG (abfd) ? "" : "not " );
+ 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);
/* 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,
- target specific information. */
+ target specific information.
+ Note: Although this function is static, it is explicitly
+ called from both coffcode.h and peicode.h. */
static boolean
-coff_arm_bfd_set_private_flags (abfd, flags)
+_bfd_coff_arm_set_private_flags (abfd, flags)
bfd * abfd;
flagword flags;
{
- int flag;
+ flagword flag;
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. */
+ /* Make sure that the APCS field has not been initialised to the opposite
+ value. */
if (APCS_SET (abfd)
&& ( (APCS_26_FLAG (abfd) != flag)
|| (APCS_FLOAT_FLAG (abfd) != (flags & F_APCS_FLOAT))
flag = (flags & F_INTERWORK);
- /* If either the flags or the BFD do support interworking then do not set the interworking flag. */
+ /* If either the flags or the BFD do support interworking then do not
+ set the interworking flag. */
if (INTERWORK_SET (abfd) && (INTERWORK_FLAG (abfd) != flag))
flag = 0;
from one instance of a BFD to another. */
static boolean
-coff_arm_bfd_copy_private_bfd_data (src, dest)
+coff_arm_copy_private_bfd_data (src, dest)
bfd * src;
bfd * dest;
{
BFD_ASSERT (src != NULL && dest != NULL);
-
+
if (src == dest)
return true;
- /* If the destination is not in the same format as the source, do not do the copy. */
+ /* If the destination is not in the same format as the source, do not do
+ the copy. */
if (src->xvec != dest->xvec)
return true;
return false;
}
else
- SET_APCS_FLAGS (dest, APCS_26_FLAG (src) | APCS_FLOAT_FLAG (src) | PIC_FLAG (src));
+ SET_APCS_FLAGS (dest, APCS_26_FLAG (src) | APCS_FLOAT_FLAG (src)
+ | PIC_FLAG (src));
}
if (INTERWORK_SET (src))
{
if (INTERWORK_SET (dest))
{
- /* If the src and dest have different interworking flags then turn off the interworking bit. */
+ /* If the src and dest have different interworking flags then turn
+ off the interworking bit. */
if (INTERWORK_FLAG (dest) != INTERWORK_FLAG (src))
SET_INTERWORK_FLAG (dest, 0);
}
return true;
}
-#endif /* not COFF_WITH_PE */
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
*must* match the definitions on gcc/config/arm/semi.h. */
}
#endif
- /* devo/gcc/config/dbxcoff.h defines ASM_OUTPUT_SOURCE_LINE to generate local line numbers as .LM<number>, so treat these as local. */
+ /* 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])
{
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. */
+ default: return false; /* Cannot make our minds up - default to
+ false so that it will not be stripped
+ by accident. */
}
}
-#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
-#define coff_adjust_symndx coff_arm_adjust_symndx
-
-#ifndef COFF_WITH_PE
-#define coff_bfd_merge_private_bfd_data coff_arm_bfd_merge_private_bfd_data
-#define coff_bfd_print_private_bfd_data coff_arm_bfd_print_private_bfd_data
-#define coff_bfd_set_private_flags coff_arm_bfd_set_private_flags
-#define coff_bfd_copy_private_bfd_data coff_arm_bfd_copy_private_bfd_data
-
/* This piece of machinery exists only to guarantee that the bfd that holds
the glue section is written last.
krk@cygnus.com */
-boolean
-coff_arm_link_output_has_begun (sub)
+static boolean
+coff_arm_link_output_has_begun (sub, info)
bfd * sub;
+ struct coff_final_link_info * info;
{
- return (sub->output_has_begun || sub == bfd_of_glue_owner);
+ return (sub->output_has_begun
+ || sub == coff_arm_hash_table (info->info)->bfd_of_glue_owner);
}
-boolean
+static boolean
coff_arm_final_link_postscript (abfd, pfinfo)
bfd * abfd;
struct coff_final_link_info * pfinfo;
{
- if (bfd_of_glue_owner != NULL)
+ 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, bfd_of_glue_owner))
+ if (! _bfd_coff_link_input_bfd (pfinfo, globals->bfd_of_glue_owner))
return false;
- bfd_of_glue_owner->output_has_begun = true;
+
+ globals->bfd_of_glue_owner->output_has_begun = true;
}
+
return true;
}
-#define coff_link_output_has_begun coff_arm_link_output_has_begun
-#define coff_final_link_postscript coff_arm_final_link_postscript
-#endif
+#if 0
#define coff_SWAP_sym_in arm_bfd_coff_swap_sym_in
static void coff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
{
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ;
- s = bfd_make_section (bfd_of_glue_owner , ARM2THUMB_GLUE_SECTION_NAME);
+ 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)
}
}
- s = bfd_get_section_by_name (bfd_of_glue_owner , THUMB2ARM_GLUE_SECTION_NAME);
+ 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);
+ 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)
return;
}
+#endif
#include "coffcode.h"
projects / binutils-gdb.git / blobdiff