/* BFD back-end for ARM COFF files.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2016 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
-
#include "coff/arm.h"
-
#include "coff/internal.h"
#ifdef COFF_WITH_PE
#endif
typedef enum {bunknown, b9, b12, b23} thumb_pcrel_branchtype;
-/* some typedefs for holding instructions */
+/* Some typedefs for holding instructions. */
typedef unsigned long int insn32;
typedef unsigned short int insn16;
- /* Forward declarations for stupid compilers. */
-static bfd_boolean coff_arm_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- struct internal_reloc *, struct internal_syment *, asection **));
-static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type aoutarm_fix_pcrel_26
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-#ifndef ARM_WINCE
-static bfd_reloc_status_type coff_thumb_pcrel_23
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type coff_thumb_pcrel_9
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static insn32 insert_thumb_branch
- PARAMS ((insn32, int));
-#endif
-static bfd_reloc_status_type coff_thumb_pcrel_12
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type coff_arm_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_boolean coff_arm_adjust_symndx
- PARAMS ((bfd *, struct bfd_link_info *, bfd *,
- asection *, struct internal_reloc *, bfd_boolean *));
-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 ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **,
- thumb_pcrel_branchtype));
-static const struct reloc_howto_struct * coff_arm_reloc_type_lookup
- PARAMS ((bfd *, bfd_reloc_code_real_type));
-static struct bfd_link_hash_table * coff_arm_link_hash_table_create
- PARAMS ((bfd *));
-static struct coff_link_hash_entry * find_thumb_glue
- 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 *));
-#ifndef ARM_WINCE
-static void record_thumb_to_arm_glue
- PARAMS ((struct bfd_link_info *, struct coff_link_hash_entry *));
-#endif
-#endif
-static bfd_boolean coff_arm_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean coff_arm_print_private_bfd_data
- PARAMS ((bfd *, PTR));
-static bfd_boolean _bfd_coff_arm_set_private_flags
- PARAMS ((bfd *, flagword));
-static bfd_boolean coff_arm_copy_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean coff_arm_is_local_label_name
- PARAMS ((bfd *, const char *));
-static bfd_boolean coff_arm_link_output_has_begun
- PARAMS ((bfd *, struct coff_final_link_info *));
-static bfd_boolean coff_arm_final_link_postscript
- PARAMS ((bfd *, struct coff_final_link_info *));
-static void arm_emit_base_file_entry
- PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_vma));
-
/* The linker script knows the section names for placement.
The entry_names are used to do simple name mangling on the stubs.
Given a function name, and its type, the stub can be found. The
/* 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 ATTRIBUTE_UNUSED;
- PTR data;
- asection *input_section ATTRIBUTE_UNUSED;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
+coff_arm_reloc (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ void * data,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
symvalue diff;
- if (output_bfd == (bfd *) NULL)
+
+ if (output_bfd == NULL)
return bfd_reloc_continue;
diff = reloc_entry->addend;
/* These most certainly belong somewhere else. Just had to get rid of
the manifest constants in the code. */
+
+#ifdef ARM_WINCE
+
+#define ARM_26D 0
+#define ARM_32 1
+#define ARM_RVA32 2
+#define ARM_26 3
+#define ARM_THUMB12 4
+#define ARM_SECTION 14
+#define ARM_SECREL 15
+
+#else
+
#define ARM_8 0
#define ARM_16 1
#define ARM_32 2
#define ARM_DISP16 5
#define ARM_DISP32 6
#define ARM_26D 7
-/* 8 is unused */
+/* 8 is unused. */
#define ARM_NEG16 9
#define ARM_NEG32 10
#define ARM_RVA32 11
#define ARM_THUMB12 13
#define ARM_THUMB23 14
-#ifdef ARM_WINCE
-#undef ARM_32
-#undef ARM_RVA32
-#undef ARM_26
-#undef ARM_THUMB12
-#undef ARM_26D
+#endif
-#define ARM_26D 0
-#define ARM_32 1
-#define ARM_RVA32 2
-#define ARM_26 3
-#define ARM_THUMB12 4
-#define ARM_SECTION 14
-#define ARM_SECREL 15
+static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type aoutarm_fix_pcrel_26
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type coff_thumb_pcrel_12
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+#ifndef ARM_WINCE
+static bfd_reloc_status_type coff_thumb_pcrel_9
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type coff_thumb_pcrel_23
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
#endif
static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_dont,
aoutarm_fix_pcrel_26_done,
"ARM_26D",
- FALSE,
+ TRUE, /* partial_inplace. */
0x00ffffff,
0x0,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_RVA32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECTION",
- FALSE,
+ TRUE, /* partial_inplace. */
0x0000ffff,
0x0000ffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECREL",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
#else /* not ARM_WINCE */
- HOWTO (ARM_8, /* type */
- 0, /* rightshift */
- 0, /* size */
- 8, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- coff_arm_reloc, /* special_function */
- "ARM_8", /* name */
- TRUE, /* partial_inplace */
- 0x000000ff, /* src_mask */
- 0x000000ff, /* dst_mask */
- PCRELOFFSET /* pcrel_offset */),
+ HOWTO (ARM_8,
+ 0,
+ 0,
+ 8,
+ FALSE,
+ 0,
+ complain_overflow_bitfield,
+ coff_arm_reloc,
+ "ARM_8",
+ TRUE,
+ 0x000000ff,
+ 0x000000ff,
+ PCRELOFFSET),
HOWTO (ARM_16,
0,
1,
#define NUM_RELOCS NUM_ELEM (aoutarm_std_reloc_howto)
#ifdef COFF_WITH_PE
-static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
/* Return TRUE if this relocation should
appear in the output .reloc section. */
static bfd_boolean
-in_reloc_p (abfd, howto)
- bfd * abfd ATTRIBUTE_UNUSED;
- reloc_howto_type * howto;
+in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
+ reloc_howto_type * howto)
{
return !howto->pc_relative && howto->type != ARM_RVA32;
}
#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 ATTRIBUTE_UNUSED;
- asection *sec;
- struct internal_reloc *rel;
- struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
- struct internal_syment *sym ATTRIBUTE_UNUSED;
- bfd_vma *addendp;
+coff_arm_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec,
+ struct internal_reloc *rel,
+ struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
+ struct internal_syment *sym ATTRIBUTE_UNUSED,
+ bfd_vma *addendp)
{
reloc_howto_type * howto;
if (rel->r_type == ARM_RVA32)
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
+#if defined COFF_WITH_PE && defined ARM_WINCE
+ if (rel->r_type == ARM_SECREL)
+ {
+ bfd_vma osect_vma;
+
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ osect_vma = h->root.u.def.section->output_section->vma;
+ else
+ {
+ int i;
+
+ /* Sigh, the only way to get the section to offset against
+ is to find it the hard way. */
+
+ for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
+ sec = sec->next;
+
+ osect_vma = sec->output_section->vma;
+ }
+
+ *addendp -= osect_vma;
+ }
+#endif
+
return howto;
}
/* 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 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;
+aoutarm_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ void * 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. */
static bfd_reloc_status_type
-aoutarm_fix_pcrel_26 (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 ATTRIBUTE_UNUSED;
+aoutarm_fix_pcrel_26 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation;
bfd_size_type addr = reloc_entry->address;
bfd_reloc_status_type flag = bfd_reloc_ok;
/* If this is an undefined symbol, return error. */
- if (symbol->section == &bfd_und_section
+ if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
}
static bfd_reloc_status_type
-coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message, btype)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
- thumb_pcrel_branchtype btype;
+coff_thumb_pcrel_common (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED,
+ thumb_pcrel_branchtype btype)
{
bfd_vma relocation = 0;
bfd_size_type addr = reloc_entry->address;
/* NOTE: This routine is currently used by GAS, but not by the link
phase. */
-
switch (btype)
{
case b9:
}
/* If this is an undefined symbol, return error. */
- if (symbol->section == &bfd_und_section
+ if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
#ifndef ARM_WINCE
static bfd_reloc_status_type
-coff_thumb_pcrel_23 (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;
+coff_thumb_pcrel_23 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message,
}
static bfd_reloc_status_type
-coff_thumb_pcrel_9 (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;
+coff_thumb_pcrel_9 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message,
#endif /* not ARM_WINCE */
static bfd_reloc_status_type
-coff_thumb_pcrel_12 (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;
+coff_thumb_pcrel_12 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message,
}
static const struct reloc_howto_struct *
-coff_arm_reloc_type_lookup (abfd, code)
- bfd * abfd;
- bfd_reloc_code_real_type code;
+coff_arm_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
{
#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 (bfd_arch_bits_per_address (abfd))
{
case 32:
code = BFD_RELOC_32;
break;
default:
- return (const struct reloc_howto_struct *) 0;
+ return NULL;
}
switch (code)
ASTD (BFD_RELOC_RVA, ARM_RVA32);
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
+ ASTD (BFD_RELOC_32_SECREL, ARM_SECREL);
#else
ASTD (BFD_RELOC_8, ARM_8);
ASTD (BFD_RELOC_16, ARM_16);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH23, ARM_THUMB23);
ASTD (BFD_RELOC_THUMB_PCREL_BLX, ARM_THUMB23);
#endif
- default: return (const struct reloc_howto_struct *) 0;
+ default: return NULL;
}
}
-#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
-#define COFF_PAGE_SIZE 0x1000
-/* Turn a howto into a reloc nunmber */
+static reloc_howto_type *
+coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (aoutarm_std_reloc_howto)
+ / sizeof (aoutarm_std_reloc_howto[0]));
+ i++)
+ if (aoutarm_std_reloc_howto[i].name != NULL
+ && strcasecmp (aoutarm_std_reloc_howto[i].name, r_name) == 0)
+ return &aoutarm_std_reloc_howto[i];
+
+ return NULL;
+}
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
+#define COFF_PAGE_SIZE 0x1000
+/* Turn a howto into a reloc nunmber. */
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
-#define BADMAG(x) ARMBADMAG(x)
-#define ARM 1 /* Customize coffcode.h */
+#define BADMAG(x) ARMBADMAG(x)
+#define ARM 1 /* Customize coffcode.h. */
#ifndef ARM_WINCE
/* Make sure that the 'r_offset' field is copied properly
/* Create an ARM coff linker hash table. */
static struct bfd_link_hash_table *
-coff_arm_link_hash_table_create (abfd)
- bfd * abfd;
+coff_arm_link_hash_table_create (bfd * abfd)
{
struct coff_arm_link_hash_table * ret;
bfd_size_type amt = sizeof (struct coff_arm_link_hash_table);
- ret = (struct coff_arm_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct coff_arm_link_hash_table *) NULL)
+ ret = bfd_zmalloc (amt);
+ if (ret == NULL)
return NULL;
- if (! _bfd_coff_link_hash_table_init
- (& ret->root, abfd, _bfd_coff_link_hash_newfunc))
+ if (!_bfd_coff_link_hash_table_init (&ret->root,
+ abfd,
+ _bfd_coff_link_hash_newfunc,
+ sizeof (struct coff_link_hash_entry)))
{
free (ret);
- return (struct bfd_link_hash_table *) NULL;
+ return NULL;
}
- ret->thumb_glue_size = 0;
- ret->arm_glue_size = 0;
- ret->bfd_of_glue_owner = NULL;
-
return & ret->root.root;
}
-static void
-arm_emit_base_file_entry (info, output_bfd, input_section, reloc_offset)
- struct bfd_link_info *info;
- bfd *output_bfd;
- asection *input_section;
- bfd_vma reloc_offset;
+static bfd_boolean
+arm_emit_base_file_entry (struct bfd_link_info *info,
+ bfd *output_bfd,
+ asection *input_section,
+ bfd_vma reloc_offset)
{
- bfd_vma addr = reloc_offset
- - input_section->vma
- + input_section->output_offset
- + input_section->output_section->vma;
+ bfd_vma addr = (reloc_offset
+ - input_section->vma
+ + input_section->output_offset
+ + input_section->output_section->vma);
if (coff_data (output_bfd)->pe)
addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
- fwrite (& addr, 1, sizeof (addr), (FILE *) info->base_file);
+ if (fwrite (&addr, sizeof (addr), 1, (FILE *) info->base_file) == 1)
+ return TRUE;
+ bfd_set_error (bfd_error_system_call);
+ return FALSE;
}
\f
#ifndef ARM_WINCE
#define HI_LOW_ORDER 0xF000F800
static insn32
-insert_thumb_branch (br_insn, rel_off)
- insn32 br_insn;
- int rel_off;
+insert_thumb_branch (insn32 br_insn, int rel_off)
{
unsigned int low_bits;
unsigned int high_bits;
- BFD_ASSERT((rel_off & 1) != 1);
+ BFD_ASSERT ((rel_off & 1) != 1);
- 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 */
+ 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. */
if ((br_insn & LOW_HI_ORDER) == LOW_HI_ORDER)
br_insn = LOW_HI_ORDER | (low_bits << 16) | high_bits;
\f
static struct coff_link_hash_entry *
-find_thumb_glue (info, name, input_bfd)
- struct bfd_link_info *info;
- const char *name;
- bfd *input_bfd;
+find_thumb_glue (struct bfd_link_info *info,
+ const char *name,
+ bfd *input_bfd)
{
char *tmp_name;
struct coff_link_hash_entry *myh;
bfd_size_type amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
- tmp_name = (char *) bfd_malloc (amt);
+ tmp_name = bfd_malloc (amt);
BFD_ASSERT (tmp_name);
#endif /* not ARM_WINCE */
static struct coff_link_hash_entry *
-find_arm_glue (info, name, input_bfd)
- struct bfd_link_info *info;
- const char *name;
- bfd *input_bfd;
+find_arm_glue (struct bfd_link_info *info,
+ const char *name,
+ bfd *input_bfd)
{
char *tmp_name;
struct coff_link_hash_entry * myh;
bfd_size_type amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
- tmp_name = (char *) bfd_malloc (amt);
+ tmp_name = bfd_malloc (amt);
BFD_ASSERT (tmp_name);
*/
#define THUMB2ARM_GLUE_SIZE (globals->support_old_code ? 20 : 8)
+#ifndef ARM_WINCE
static const insn16 t2a1_bx_pc_insn = 0x4778;
static const insn16 t2a2_noop_insn = 0x46c0;
static const insn32 t2a3_b_insn = 0xea000000;
static const insn16 t2a4_bx_insn = 0x4730;
static const insn32 t2a5_pop_insn = 0xe8bd4040;
static const insn32 t2a6_bx_insn = 0xe12fff1e;
+#endif
/* TODO:
We should really create new local (static) symbols in destination
is different from the original. */
static bfd_boolean
-coff_arm_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, syms, sections)
- bfd *output_bfd;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- struct internal_reloc *relocs;
- struct internal_syment *syms;
- asection **sections;
+coff_arm_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ struct internal_reloc *relocs,
+ struct internal_syment *syms,
+ asection **sections)
{
struct internal_reloc * rel;
struct internal_reloc * relend;
+#ifndef ARM_WINCE
bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
+#endif
rel = relocs;
relend = rel + input_section->reloc_count;
relocations to be reflected in section's data. */
if (rel->r_type == ARM_26
&& h != NULL
- && info->relocatable
+ && bfd_link_relocatable (info)
&& (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& (h->root.u.def.section->output_section
addend -= rel->r_vaddr - input_section->vma;
#ifdef ARM_WINCE
/* FIXME: I don't know why, but the hack is necessary for correct
- generation of bl's instruction offset. */
+ generation of bl's instruction offset. */
addend -= 8;
#endif
- howto = &fake_arm26_reloc;
+ 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 && !bfd_link_relocatable (info))
+ addend -= 8;
#endif
/* If we are doing a relocatable link, then we can just ignore
then we should ignore the symbol value. */
if (howto->pc_relative && howto->pcrel_offset)
{
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
continue;
/* FIXME - it is not clear which targets need this next test
and which do not. It is known that it is needed for 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... */
- if (! info->relocatable
+ if (! bfd_link_relocatable (info)
&& ( h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak))
{
if (howto->type == ARM_26)
{
- if ( h->class == C_THUMBSTATFUNC
- || h->class == C_THUMBEXTFUNC)
+ if ( h->symbol_class == C_THUMBSTATFUNC
+ || h->symbol_class == C_THUMBEXTFUNC)
{
/* Arm code calling a Thumb function. */
unsigned long int tmp;
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,
- my_offset + 8);
-
+ if (info->base_file
+ && !arm_emit_base_file_entry (info, output_bfd,
+ s, my_offset + 8))
+ return FALSE;
}
BFD_ASSERT (my_offset <= globals->arm_glue_size);
/* Note: We used to check for ARM_THUMB9 and ARM_THUMB12. */
else if (howto->type == ARM_THUMB23)
{
- if ( h->class == C_EXT
- || h->class == C_STAT
- || h->class == C_LABEL)
+ if ( h->symbol_class == C_EXT
+ || h->symbol_class == C_STAT
+ || h->symbol_class == C_LABEL)
{
- /* Thumb code calling an ARM function */
+ /* Thumb code calling an ARM function. */
asection * s = 0;
bfd_vma my_offset;
unsigned long int tmp;
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);
+ if (info->base_file
+ && !arm_emit_base_file_entry (info,
+ output_bfd, s,
+ my_offset + 16))
+ return FALSE;
}
else
{
s->contents + my_offset + 2);
ret_offset =
- ((bfd_signed_vma) h_val) /* Address of destination of the stub. */
+ /* Address of destination of the stub. */
+ ((bfd_signed_vma) h_val)
- ((bfd_signed_vma)
- (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. */
+ /* Offset from the start of the current section to the start of the stubs. */
+ (s->output_offset
+ /* Offset of the start of this stub from the start of the stubs. */
+ + my_offset
+ /* Address of the start of the current section. */
+ + s->output_section->vma)
+ /* The branch instruction is 4 bytes into the stub. */
+ + 4
+ /* ARM branches work from the pc of the instruction + 8. */
+ + 8);
bfd_put_32 (output_bfd,
(bfd_vma) t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
+ sec->output_offset);
}
- else if (! info->relocatable)
+ else if (! bfd_link_relocatable (info))
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
}
}
- if (info->base_file)
- {
- /* 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);
- }
+ /* Emit a reloc if the backend thinks it needs it. */
+ if (info->base_file
+ && sym
+ && pe_data(output_bfd)->in_reloc_p(output_bfd, howto)
+ && !arm_emit_base_file_entry (info, output_bfd, input_section,
+ rel->r_vaddr))
+ return FALSE;
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->relocatable
+ /* Only perform this fix during the final link, not a relocatable link. */
+ else if (! bfd_link_relocatable (info)
&& howto->type == ARM_THUMB23)
{
/* This is pretty much a copy of what the default
}
#endif
else
- if (info->relocatable && ! howto->partial_inplace)
+ if (bfd_link_relocatable (info) && ! howto->partial_inplace)
rstat = bfd_reloc_ok;
else
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents,
rel->r_vaddr - input_section->vma,
val, addend);
- /* 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 */
- if (! info->relocatable
+ /* Only perform this fix during the final link, not a relocatable link. */
+ if (! bfd_link_relocatable (info)
&& (rel->r_type == ARM_32 || rel->r_type == ARM_RVA32))
{
/* 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))
+ && ( h->symbol_class == C_THUMBSTATFUNC
+ || h->symbol_class == C_THUMBEXTFUNC))
{
patchit = TRUE;
}
&& sym->n_scnum > N_UNDEF)
{
/* No hash entry - use the symbol instead. */
-
if ( sym->n_sclass == C_THUMBSTATFUNC
|| sym->n_sclass == C_THUMBEXTFUNC)
patchit = TRUE;
#ifndef COFF_IMAGE_WITH_PE
bfd_boolean
-bfd_arm_allocate_interworking_sections (info)
- struct bfd_link_info * info;
+bfd_arm_allocate_interworking_sections (struct bfd_link_info * info)
{
asection * s;
bfd_byte * foo;
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
- globals->arm_glue_size);
+ foo = bfd_alloc (globals->bfd_of_glue_owner, globals->arm_glue_size);
s->size = globals->arm_glue_size;
s->contents = foo;
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
- globals->thumb_glue_size);
+ foo = bfd_alloc (globals->bfd_of_glue_owner, globals->thumb_glue_size);
s->size = globals->thumb_glue_size;
s->contents = foo;
}
static void
-record_arm_to_thumb_glue (info, h)
- struct bfd_link_info * info;
- struct coff_link_hash_entry * h;
+record_arm_to_thumb_glue (struct bfd_link_info * info,
+ struct coff_link_hash_entry * h)
{
const char * name = h->root.root.string;
register asection * s;
BFD_ASSERT (s != NULL);
amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
- tmp_name = (char *) bfd_malloc (amt);
+ tmp_name = bfd_malloc (amt);
BFD_ASSERT (tmp_name);
if (myh != NULL)
{
free (tmp_name);
- return; /* we've already seen this guy */
+ /* We've already seen this guy. */
+ return;
}
/* 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. */
-
bh = NULL;
val = globals->arm_glue_size + 1;
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
#ifndef ARM_WINCE
static void
-record_thumb_to_arm_glue (info, h)
- struct bfd_link_info * info;
- struct coff_link_hash_entry * h;
+record_thumb_to_arm_glue (struct bfd_link_info * info,
+ struct coff_link_hash_entry * h)
{
const char * name = h->root.root.string;
- register asection * s;
+ asection * s;
char * tmp_name;
struct coff_link_hash_entry * myh;
struct bfd_link_hash_entry * bh;
BFD_ASSERT (s != NULL);
amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
- tmp_name = (char *) bfd_malloc (amt);
+ tmp_name = bfd_malloc (amt);
BFD_ASSERT (tmp_name);
if (myh != NULL)
{
free (tmp_name);
- return; /* we've already seen this guy */
+ /* We've already seen this guy. */
+ return;
}
bh = NULL;
/* If we mark it 'thumb', the disassembler will do a better job. */
myh = (struct coff_link_hash_entry *) bh;
- myh->class = C_THUMBEXTFUNC;
+ myh->symbol_class = C_THUMBEXTFUNC;
free (tmp_name);
#define BACK_FROM_ARM "__%s_back_from_arm"
amt = strlen (name) + strlen (CHANGE_TO_ARM) + 1;
- tmp_name = (char *) bfd_malloc (amt);
+ tmp_name = bfd_malloc (amt);
BFD_ASSERT (tmp_name);
{armcoff/pe}.em */
bfd_boolean
-bfd_arm_get_bfd_for_interworking (abfd, info)
- bfd * abfd;
- struct bfd_link_info * info;
+bfd_arm_get_bfd_for_interworking (bfd * abfd,
+ struct bfd_link_info * info)
{
struct coff_arm_link_hash_table * globals;
flagword flags;
/* If we are only performing a partial link do not bother
getting a bfd to hold the glue. */
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
globals = coff_arm_hash_table (info);
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, ARM2THUMB_GLUE_SECTION_NAME);
-
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, THUMB2ARM_GLUE_SECTION_NAME);
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
}
bfd_boolean
-bfd_arm_process_before_allocation (abfd, info, support_old_code)
- bfd * abfd;
- struct bfd_link_info * info;
- int support_old_code;
+bfd_arm_process_before_allocation (bfd * abfd,
+ struct bfd_link_info * info,
+ int support_old_code)
{
asection * sec;
struct coff_arm_link_hash_table * globals;
/* If we are only performing a partial link do not bother
to construct any glue. */
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
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);
/* Load the relocs. */
/* FIXME: there may be a storage leak here. */
-
i = _bfd_coff_read_internal_relocs (abfd, sec, 1, 0, 0, 0);
BFD_ASSERT (i != 0);
the target of the call. If it is a thumb target, we
insert glue. */
- if (h->class == C_THUMBEXTFUNC)
+ if (h->symbol_class == C_THUMBEXTFUNC)
record_arm_to_thumb_glue (info, h);
break;
for it. This is not really a problem, since the link
is doomed anyway. */
- switch (h->class)
+ switch (h->symbol_class)
{
case C_EXT:
case C_STAT:
#endif /* ! defined (COFF_IMAGE_WITH_PE) */
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup coff_arm_reloc_name_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
into ARM_26D relocs. */
static bfd_boolean
-coff_arm_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp)
- bfd *obfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- bfd *ibfd;
- asection *sec;
- struct internal_reloc *irel;
- bfd_boolean *adjustedp;
+coff_arm_adjust_symndx (bfd *obfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ bfd *ibfd,
+ asection *sec,
+ struct internal_reloc *irel,
+ bfd_boolean *adjustedp)
{
if (irel->r_type == ARM_26)
{
targets, eg different CPUs or different APCS's. */
static bfd_boolean
-coff_arm_merge_private_bfd_data (ibfd, obfd)
- bfd * ibfd;
- bfd * obfd;
+coff_arm_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
{
BFD_ASSERT (ibfd != NULL && obfd != NULL);
{
_bfd_error_handler
/* xgettext: c-format */
- (_("ERROR: %B is compiled for APCS-%d, whereas %B is compiled for APCS-%d"),
+ (_("error: %B is compiled for APCS-%d, whereas %B is compiled for APCS-%d"),
ibfd, obfd,
APCS_26_FLAG (ibfd) ? 26 : 32,
APCS_26_FLAG (obfd) ? 26 : 32
if (APCS_FLOAT_FLAG (ibfd))
/* xgettext: c-format */
- msg = _("ERROR: %B passes floats in float registers, whereas %B passes them in integer registers");
+ msg = _("error: %B passes floats in float registers, whereas %B passes them in integer registers");
else
/* xgettext: c-format */
- msg = _("ERROR: %B passes floats in integer registers, whereas %B passes them in float registers");
+ msg = _("error: %B passes floats in integer registers, whereas %B passes them in float registers");
_bfd_error_handler (msg, ibfd, obfd);
if (PIC_FLAG (ibfd))
/* xgettext: c-format */
- msg = _("ERROR: %B is compiled as position independent code, whereas target %B is absolute position");
+ msg = _("error: %B is compiled as position independent code, whereas target %B is absolute position");
else
/* xgettext: c-format */
- msg = _("ERROR: %B is compiled as absolute position code, whereas target %B is position independent");
+ msg = _("error: %B is compiled as absolute position code, whereas target %B is position independent");
_bfd_error_handler (msg, ibfd, obfd);
bfd_set_error (bfd_error_wrong_format);
/* Display the flags field. */
static bfd_boolean
-coff_arm_print_private_bfd_data (abfd, ptr)
- bfd * abfd;
- PTR ptr;
+coff_arm_print_private_bfd_data (bfd * abfd, void * ptr)
{
FILE * file = (FILE *) ptr;
called from both coffcode.h and peicode.h. */
static bfd_boolean
-_bfd_coff_arm_set_private_flags (abfd, flags)
- bfd * abfd;
- flagword flags;
+_bfd_coff_arm_set_private_flags (bfd * abfd, flagword flags)
{
flagword flag;
from one instance of a BFD to another. */
static bfd_boolean
-coff_arm_copy_private_bfd_data (src, dest)
- bfd * src;
- bfd * dest;
+coff_arm_copy_private_bfd_data (bfd * src, bfd * dest)
{
BFD_ASSERT (src != NULL && dest != NULL);
if (src->xvec != dest->xvec)
return TRUE;
- /* copy the flags field */
+ /* Copy the flags field. */
if (APCS_SET (src))
{
if (APCS_SET (dest))
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
*must* match the definitions in gcc/config/arm/{coff|semi|aout}.h. */
+#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX ""
+#endif
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
#endif
non-local.
b) Allow other prefixes than ".", e.g. an empty prefix would cause all
labels of the form Lxxx to be stripped. */
+
static bfd_boolean
-coff_arm_is_local_label_name (abfd, name)
- bfd * abfd ATTRIBUTE_UNUSED;
- const char * name;
+coff_arm_is_local_label_name (bfd * abfd ATTRIBUTE_UNUSED,
+ const char * name)
{
#ifdef USER_LABEL_PREFIX
if (USER_LABEL_PREFIX[0] != 0)
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.
-
- krk@cygnus.com */
+ end of the section list for the bfd. */
static bfd_boolean
-coff_arm_link_output_has_begun (sub, info)
- bfd * sub;
- struct coff_final_link_info * info;
+coff_arm_link_output_has_begun (bfd * sub, struct coff_final_link_info * info)
{
return (sub->output_has_begun
|| sub == coff_arm_hash_table (info->info)->bfd_of_glue_owner);
}
static bfd_boolean
-coff_arm_final_link_postscript (abfd, pfinfo)
- bfd * abfd ATTRIBUTE_UNUSED;
- struct coff_final_link_info * pfinfo;
+coff_arm_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED,
+ struct coff_final_link_info * pfinfo)
{
struct coff_arm_link_hash_table * globals;
return bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
}
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata NULL
+#endif
+
#include "coffcode.h"
#ifndef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM armcoff_little_vec
+#define TARGET_LITTLE_SYM arm_coff_le_vec
#endif
#ifndef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "coff-arm-little"
#endif
#ifndef TARGET_BIG_SYM
-#define TARGET_BIG_SYM armcoff_big_vec
+#define TARGET_BIG_SYM arm_coff_be_vec
#endif
#ifndef TARGET_BIG_NAME
#define TARGET_BIG_NAME "coff-arm-big"