#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
-#include "seclet.h"
+#include "bfdlink.h"
#include "bout.h"
#include "aout/stab_gnu.h"
#include "libaout.h" /* BFD a.out internal data structures */
-extern bfd_error_vector_type bfd_error_vector;
-PROTO (static boolean, b_out_squirt_out_relocs,(bfd *abfd, asection *section));
-PROTO (static bfd_target *, b_out_callback, (bfd *));
-
-PROTO (boolean, aout_32_slurp_symbol_table, (bfd *abfd));
-PROTO (void , aout_32_write_syms, ());
+static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section));
+static bfd_target *b_out_callback PARAMS ((bfd *));
+static bfd_reloc_status_type calljx_callback
+ PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst,
+ asection *));
+static bfd_reloc_status_type callj_callback
+ PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data,
+ unsigned int srcidx, unsigned int dstidx, asection *));
+static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *,
+ asection *));
+static int abs32code PARAMS ((asection *, asymbol **, arelent *,
+ unsigned int, struct bfd_link_info *));
+static boolean b_out_relax_section PARAMS ((bfd *, asection *,
+ struct bfd_link_info *,
+ asymbol **symbols));
+static bfd_byte *b_out_get_relocated_section_contents
+ PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
+ bfd_byte *, boolean, asymbol **));
/* Swaps the information in an executable header taken from a raw byte
stream memory image, into the internal exec_header structure. */
-PROTO(void, bout_swap_exec_header_in,
- (bfd *abfd,
- struct external_exec *raw_bytes,
- struct internal_exec *execp));
-
void
DEFUN(bout_swap_exec_header_in,(abfd, raw_bytes, execp),
bfd *abfd AND
{
bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET);
- aout_32_write_syms (abfd);
+ if (! aout_32_write_syms (abfd))
+ return false;
bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET);
#define PCREL13_MASK 0x1fff
/* Magic to turn callx into calljx */
static bfd_reloc_status_type
-DEFUN (calljx_callback, (abfd, reloc_entry, src, dst, input_section, seclet),
- bfd *abfd AND
- arelent *reloc_entry AND
- PTR src AND
- PTR dst AND
- asection *input_section AND
- bfd_seclet_type *seclet)
+calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+ arelent *reloc_entry;
+ PTR src;
+ PTR dst;
+ asection *input_section;
{
- int word = bfd_get_32(abfd, src);
+ int word = bfd_get_32 (abfd, src);
asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
- aout_symbol_type *symbol = aout_symbol(symbol_in);
-
- if (symbol_in->section == &bfd_und_section)
- {
- bfd_error_vector.undefined_symbol(reloc_entry, seclet);
- }
+ aout_symbol_type *symbol = aout_symbol (symbol_in);
+ bfd_vma value;
- if (IS_CALLNAME(symbol->other))
- {
+ value = get_value (reloc_entry, link_info, input_section);
- aout_symbol_type *balsym = symbol+1;
- int inst = bfd_get_32(abfd, (bfd_byte *) src-4);
- /* The next symbol should be an N_BALNAME */
- BFD_ASSERT(IS_BALNAME(balsym->other));
- inst &= BAL_MASK;
- inst |= BALX;
- bfd_put_32(abfd, inst, (bfd_byte *) dst-4);
- symbol = balsym;
- }
+ if (IS_CALLNAME (symbol->other))
+ {
+ aout_symbol_type *balsym = symbol+1;
+ int inst = bfd_get_32 (abfd, (bfd_byte *) src-4);
+ /* The next symbol should be an N_BALNAME */
+ BFD_ASSERT (IS_BALNAME (balsym->other));
+ inst &= BAL_MASK;
+ inst |= BALX;
+ bfd_put_32 (abfd, inst, (bfd_byte *) dst-4);
+ symbol = balsym;
+ value = (symbol->symbol.value
+ + symbol->symbol.section->output_section->vma
+ + symbol->symbol.section->output_offset);
+ }
- word += symbol->symbol.section->output_offset +
- symbol->symbol.section->output_section->vma +
- symbol->symbol.value + reloc_entry->addend;
+ word += value + reloc_entry->addend;
bfd_put_32(abfd, word, dst);
return bfd_reloc_ok;
/* Magic to turn call into callj */
static bfd_reloc_status_type
-DEFUN (callj_callback, (abfd, reloc_entry, data, srcidx,dstidx,
- input_section, seclet),
- bfd *abfd AND
- arelent *reloc_entry AND
- PTR data AND
- unsigned int srcidx AND
- unsigned int dstidx AND
- asection *input_section AND
- bfd_seclet_type *seclet)
+callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx,
+ input_section)
+ bfd *abfd;
+ struct bfd_link_info *link_info;
+ arelent *reloc_entry;
+ PTR data;
+ unsigned int srcidx;
+ unsigned int dstidx;
+ asection *input_section;
{
- int word = bfd_get_32(abfd, (bfd_byte *) data + srcidx);
+ int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx);
asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
+ aout_symbol_type *symbol = aout_symbol (symbol_in);
+ bfd_vma value;
- aout_symbol_type *symbol = aout_symbol(symbol_in);
-
- if (symbol_in->section == &bfd_und_section)
- {
- bfd_error_vector.undefined_symbol(reloc_entry, seclet);
- }
+ value = get_value (reloc_entry, link_info, input_section);
if (IS_OTHER(symbol->other))
{
else
{
- word = CALL |
- (((word & BAL_MASK) +
- symbol->symbol.section->output_offset +
- symbol->symbol.section->output_section->vma+
- symbol->symbol.value + reloc_entry->addend - dstidx -
- ( input_section->output_section->vma + input_section->output_offset))
- & BAL_MASK);
+ word = (CALL
+ | (((word & BAL_MASK)
+ + value
+ + reloc_entry->addend
+ - dstidx
+ - (input_section->output_section->vma
+ + input_section->output_offset))
+ & BAL_MASK));
}
bfd_put_32(abfd, word, (bfd_byte *) data + dstidx);
return bfd_reloc_ok;
#define ALIGNER 10
#define ALIGNDONE 11
static reloc_howto_type howto_reloc_callj =
-HOWTO(CALLJ, 0, 2, 24, true, 0, true, true, 0,"callj", true, 0x00ffffff, 0x00ffffff,false);
+HOWTO(CALLJ, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callj", true, 0x00ffffff, 0x00ffffff,false);
static reloc_howto_type howto_reloc_abs32 =
-HOWTO(ABS32, 0, 2, 32, false, 0, true, true,0,"abs32", true, 0xffffffff,0xffffffff,false);
+HOWTO(ABS32, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"abs32", true, 0xffffffff,0xffffffff,false);
static reloc_howto_type howto_reloc_pcrel24 =
-HOWTO(PCREL24, 0, 2, 24, true, 0, true, true,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
+HOWTO(PCREL24, 0, 2, 24, true, 0, complain_overflow_signed,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
static reloc_howto_type howto_reloc_pcrel13 =
-HOWTO(PCREL13, 0, 2, 13, true, 0, true, true,0,"pcrel13", true, 0x00001fff,0x00001fff,false);
+HOWTO(PCREL13, 0, 2, 13, true, 0, complain_overflow_signed,0,"pcrel13", true, 0x00001fff,0x00001fff,false);
static reloc_howto_type howto_reloc_abs32codeshrunk =
-HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, true, true, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false);
+HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false);
static reloc_howto_type howto_reloc_abs32code =
-HOWTO(ABS32CODE, 0, 2, 32, false, 0, true, true,0,"callx", true, 0xffffffff,0xffffffff,false);
+HOWTO(ABS32CODE, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"callx", true, 0xffffffff,0xffffffff,false);
static reloc_howto_type howto_align_table[] = {
- HOWTO (ALIGNER, 0, 0x1, 0, false, 0, false, false, 0, "align16", false, 0, 0, false),
- HOWTO (ALIGNER, 0, 0x3, 0, false, 0, false, false, 0, "align32", false, 0, 0, false),
- HOWTO (ALIGNER, 0, 0x7, 0, false, 0, false, false, 0, "align64", false, 0, 0, false),
- HOWTO (ALIGNER, 0, 0xf, 0, false, 0, false, false, 0, "align128", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0x1, 0, false, 0, complain_overflow_dont, 0, "align16", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0x3, 0, false, 0, complain_overflow_dont, 0, "align32", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0x7, 0, false, 0, complain_overflow_dont, 0, "align64", false, 0, 0, false),
+ HOWTO (ALIGNER, 0, 0xf, 0, false, 0, complain_overflow_dont, 0, "align128", false, 0, 0, false),
};
static reloc_howto_type howto_done_align_table[] = {
- HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, false, false, 0, "donealign16", false, 0, 0, false),
- HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, false, false, 0, "donealign32", false, 0, 0, false),
- HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, false, false, 0, "donealign64", false, 0, 0, false),
- HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, false, false, 0, "donealign128", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, complain_overflow_dont, 0, "donealign16", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, complain_overflow_dont, 0, "donealign32", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, complain_overflow_dont, 0, "donealign64", false, 0, 0, false),
+ HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false),
};
-static reloc_howto_type *
+static const reloc_howto_type *
b_out_reloc_type_lookup (abfd, code)
bfd *abfd;
bfd_reloc_code_real_type code;
{
arelent **generic;
- int r_extern;
+ int r_extern = 0;
int r_idx;
int incode_mask;
int len_1;
/************************************************************************/
static bfd_vma
-DEFUN(get_value,(reloc, seclet),
- arelent *reloc AND
- bfd_seclet_type *seclet)
+get_value (reloc, link_info, input_section)
+ arelent *reloc;
+ struct bfd_link_info *link_info;
+ asection *input_section;
{
bfd_vma value;
asymbol *symbol = *(reloc->sym_ptr_ptr);
live in the output and add that in */
if (symbol->section == &bfd_und_section)
- {
- /* Ouch, this is an undefined symbol.. */
- bfd_error_vector.undefined_symbol(reloc, seclet);
- value = symbol->value;
- }
+ {
+ struct bfd_link_hash_entry *h;
+
+ /* The symbol is undefined in this BFD. Look it up in the
+ global linker hash table. FIXME: This should be changed when
+ we convert b.out to use a specific final_link function and
+ change the interface to bfd_relax_section to not require the
+ generic symbols. */
+ h = bfd_link_hash_lookup (link_info->hash, bfd_asymbol_name (symbol),
+ false, false, true);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_defined)
+ value = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+ else if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_common)
+ value = h->u.c.size;
+ else
+ {
+ if (! ((*link_info->callbacks->undefined_symbol)
+ (link_info, bfd_asymbol_name (symbol),
+ input_section->owner, input_section, reloc->address)))
+ abort ();
+ value = 0;
+ }
+ }
else
- {
- value = symbol->value +
- symbol->section->output_offset +
- symbol->section->output_section->vma;
- }
+ {
+ value = (symbol->value
+ + symbol->section->output_offset
+ + symbol->section->output_section->vma);
+ }
/* Add the value contained in the relocation */
value += reloc->addend;
If it can, then it changes the amode */
static int
-DEFUN(abs32code,(input_section, symbols, r, shrink),
- asection *input_section AND
- asymbol **symbols AND
- arelent *r AND
- unsigned int shrink)
+abs32code (input_section, symbols, r, shrink, link_info)
+ asection *input_section;
+ asymbol **symbols;
+ arelent *r;
+ unsigned int shrink;
+ struct bfd_link_info *link_info;
{
- bfd_vma value = get_value(r,0);
+ bfd_vma value = get_value (r, link_info, input_section);
bfd_vma dot = input_section->output_section->vma + input_section->output_offset + r->address;
bfd_vma gap;
return shrink;
}
-
static boolean
-DEFUN(b_out_relax_section,(abfd, i, symbols),
- bfd *abfd AND
- asection *i AND
- asymbol **symbols)
+b_out_relax_section (abfd, i, link_info, symbols)
+ bfd *abfd;
+ asection *i;
+ struct bfd_link_info *link_info;
+ asymbol **symbols;
{
/* Get enough memory to hold the stuff */
break;
case ABS32CODE:
/* A 32bit reloc in an addressing mode */
- shrink = abs32code(input_section, symbols, r,shrink);
+ shrink = abs32code (input_section, symbols, r, shrink, link_info);
new=true;
break;
case ABS32CODE_SHRUNK:
#endif
static bfd_byte *
-DEFUN(b_out_get_relocated_section_contents,(in_abfd,
- seclet,
- data,
- relocateable),
- bfd *in_abfd AND
- bfd_seclet_type *seclet AND
- bfd_byte *data AND
- boolean relocateable)
+b_out_get_relocated_section_contents (in_abfd, link_info, link_order, data,
+ relocateable, symbols)
+ bfd *in_abfd;
+ struct bfd_link_info *link_info;
+ struct bfd_link_order *link_order;
+ bfd_byte *data;
+ boolean relocateable;
+ asymbol **symbols;
{
/* Get enough memory to hold the stuff */
- bfd *input_bfd = seclet->u.indirect.section->owner;
- asection *input_section = seclet->u.indirect.section;
+ bfd *input_bfd = link_order->u.indirect.section->owner;
+ asection *input_section = link_order->u.indirect.section;
bfd_size_type reloc_size = bfd_get_reloc_upper_bound(input_bfd,
input_section);
arelent **reloc_vector = (arelent **)alloca(reloc_size);
/* If producing relocateable output, don't bother to relax. */
if (relocateable)
- return bfd_generic_get_relocated_section_contents (in_abfd, seclet,
- data, relocateable);
+ return bfd_generic_get_relocated_section_contents (in_abfd, link_info,
+ link_order,
+ data, relocateable,
+ symbols);
/* read in the section */
bfd_get_section_contents(input_bfd,
if (bfd_canonicalize_reloc(input_bfd,
input_section,
reloc_vector,
- seclet->u.indirect.symbols) )
+ symbols) )
{
arelent **parent = reloc_vector;
arelent *reloc ;
unsigned int idx;
/* Find how long a run we can do */
- while (dst_address < seclet->size)
+ while (dst_address < link_order->size)
{
reloc = *parent;
}
else
{
- run = seclet->size - dst_address;
+ run = link_order->size - dst_address;
}
/* Copy the bytes */
for (idx = 0; idx < run; idx++)
switch (reloc->howto->type)
{
case ABS32CODE:
- calljx_callback(in_abfd, reloc, src_address + data, dst_address+data,
- input_section, seclet);
+ calljx_callback (in_abfd, link_info, reloc, src_address + data,
+ dst_address + data, input_section);
src_address+=4;
dst_address+=4;
break;
case ABS32:
bfd_put_32(in_abfd,
(bfd_get_32 (in_abfd, data+src_address)
- + get_value(reloc, seclet)),
+ + get_value (reloc, link_info, input_section)),
data+dst_address);
src_address+=4;
dst_address+=4;
break;
case CALLJ:
- callj_callback(in_abfd, reloc ,data,src_address,dst_address,
- input_section, seclet);
+ callj_callback (in_abfd, link_info, reloc, data, src_address,
+ dst_address, input_section);
src_address+=4;
dst_address+=4;
break;
case ABS32CODE_SHRUNK:
/* This used to be a callx, but we've found out that a
callj will reach, so do the right thing */
- callj_callback(in_abfd, reloc,data,src_address+4, dst_address,
- input_section, seclet);
-
+ callj_callback (in_abfd, link_info, reloc, data, src_address + 4,
+ dst_address, input_section);
dst_address+=4;
src_address+=8;
break;
case PCREL24:
{
long int word = bfd_get_32(in_abfd, data+src_address);
- asymbol *symbol = *(reloc->sym_ptr_ptr);
- if (symbol->section == &bfd_und_section)
- {
- bfd_error_vector.undefined_symbol(reloc, seclet);
- }
+ bfd_vma value;
+
+ value = get_value (reloc, link_info, input_section);
word = ((word & ~BAL_MASK)
| (((word & BAL_MASK)
- /* value of symbol */
- + symbol->value
- /* how far it's moving in this relocation */
- + (symbol->section->output_offset
- + symbol->section->output_section->vma)
+ + value
- (input_section->output_section->vma
+ input_section->output_offset)
- /* addend, of course */
+ reloc->addend)
& BAL_MASK));
case PCREL13:
{
long int word = bfd_get_32(in_abfd, data+src_address);
- asymbol *symbol = *(reloc->sym_ptr_ptr);
- if (symbol->section == &bfd_und_section)
- {
- bfd_error_vector.undefined_symbol(reloc, seclet);
- }
+ bfd_vma value;
+
+ value = get_value (reloc, link_info, input_section);
word = ((word & ~PCREL13_MASK)
| (((word & PCREL13_MASK)
- + (symbol->section->output_offset
- + symbol->section->output_section->vma)
- + symbol->value
+ + value
+ reloc->addend
- (input_section->output_section->vma
+ input_section->output_offset))
#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file
#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt
#define aout_32_slurp_armap bfd_slurp_bsd_armap
-#define aout_32_slurp_extended_name_table bfd_true
+#define aout_32_slurp_extended_name_table _bfd_slurp_extended_name_table
#define aout_32_write_armap bsd_write_armap
#define aout_32_truncate_arname bfd_bsd_truncate_arname
#define aout_32_bfd_get_relocated_section_contents b_out_get_relocated_section_contents
#define aout_32_bfd_relax_section b_out_relax_section
-#define aout_32_bfd_seclet_link bfd_generic_seclet_link
#define aout_32_bfd_reloc_type_lookup b_out_reloc_type_lookup
#define aout_32_bfd_make_debug_symbol \
((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+#define aout_32_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define aout_32_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define aout_32_bfd_final_link _bfd_generic_final_link
bfd_target b_out_vec_big_host =
{
true, /* hdr byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT ),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
'_', /* symbol leading char */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
2, /* minumum alignment power */
- _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
+ 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_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
{_bfd_dummy_target, b_out_object_p, /* bfd_check_format */
bfd_generic_archive_p, _bfd_dummy_target},
{bfd_false, b_out_mkobject, /* bfd_set_format */
false, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT ),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
'_', /* symbol leading char */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
2, /* minum align */
-_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
-_do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
+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 */
{_bfd_dummy_target, b_out_object_p, /* bfd_check_format */
bfd_generic_archive_p, _bfd_dummy_target},
/* 8 and 16 bit COFF relocation functions, for BFD.
- Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "bfd.h"
#include "sysdep.h"
-#include "libbfd.h"
-#include "seclet.h"
#include "obstack.h"
+#include "libbfd.h"
+#include "bfdlink.h"
#include "coff/internal.h"
#include "libcoff.h"
-extern bfd_error_vector_type bfd_error_vector;
-
-bfd_vma
-DEFUN(bfd_coff_reloc16_get_value,(reloc, seclet),
- arelent *reloc AND
- bfd_seclet_type *seclet)
+bfd_vma
+bfd_coff_reloc16_get_value (reloc, link_info, input_section)
+ arelent *reloc;
+ struct bfd_link_info *link_info;
+ asection *input_section;
{
bfd_vma value;
asymbol *symbol = *(reloc->sym_ptr_ptr);
live in the output and add that in */
if (symbol->section == &bfd_und_section)
- {
- /* Ouch, this is an undefined symbol.. */
- bfd_error_vector.undefined_symbol(reloc, seclet);
- value = symbol->value;
- }
+ {
+ struct bfd_link_hash_entry *h;
+
+ /* The symbol is undefined in this BFD. Look it up in the
+ global linker hash table. FIXME: This should be changed when
+ we convert this stuff to use a specific final_link function
+ and change the interface to bfd_relax_section to not require
+ the generic symbols. */
+ h = bfd_link_hash_lookup (link_info->hash, bfd_asymbol_name (symbol),
+ false, false, true);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_defined)
+ value = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+ else if (h != (struct bfd_link_hash_entry *) NULL
+ && h->type == bfd_link_hash_common)
+ value = h->u.c.size;
+ else
+ {
+ if (! ((*link_info->callbacks->undefined_symbol)
+ (link_info, bfd_asymbol_name (symbol),
+ input_section->owner, input_section, reloc->address)))
+ abort ();
+ value = 0;
+ }
+ }
else
- {
- value = symbol->value +
- symbol->section->output_offset +
- symbol->section->output_section->vma;
- }
-
+ {
+ value = symbol->value +
+ symbol->section->output_offset +
+ symbol->section->output_section->vma;
+ }
/* Add the value contained in the relocation */
value += reloc->addend;
return value;
}
-static void
-DEFUN(perform_slip,(s, slip, input_section, value),
- asymbol **s AND
- unsigned int slip AND
- asection *input_section AND
- bfd_vma value)
+void
+bfd_perform_slip(s, slip, input_section, value)
+ asymbol **s;
+ unsigned int slip;
+ asection *input_section;
+ bfd_vma value;
{
-
/* Find all symbols past this point, and make them know
what's happened */
while (*s)
- {
- asymbol *p = *s;
- if (p->section == input_section)
{
- /* This was pointing into this section, so mangle it */
- if (p->value > value)
- {
- p->value -= slip;
- }
- }
- s++;
-
- }
-}
-static int
-DEFUN(movb1,(input_section, symbols, r, shrink),
- asection *input_section AND
- asymbol **symbols AND
- arelent *r AND
- unsigned int shrink)
-{
- bfd_vma value = bfd_coff_reloc16_get_value(r,0);
-
- if (value >= 0xff00)
- {
-
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16 */
- r->howto = r->howto + 1;
- /* The place to relc moves back by one */
- r->address -=1;
-
- /* This will be two bytes smaller in the long run */
- shrink +=2 ;
- perform_slip(symbols, 2, input_section, r->address - shrink +1);
-
-
- }
- return shrink;
-}
-
-static int
-DEFUN(jmp1,(input_section, symbols, r, shrink),
- asection *input_section AND
- asymbol **symbols AND
- arelent *r AND
- unsigned int shrink)
-{
-
-
- bfd_vma value = bfd_coff_reloc16_get_value(r, 0);
-
- bfd_vma dot = input_section->output_section->vma +
- input_section->output_offset + r->address;
- bfd_vma gap;
-
- /* See if the address we're looking at within 127 bytes of where
- we are, if so then we can use a small branch rather than the
- jump we were going to */
-
- gap = value - (dot - shrink);
-
-
- if (-120 < (long)gap && (long)gap < 120 )
- {
-
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16 */
- r->howto = r->howto + 1;
- /* The place to relc moves back by one */
- r->address -=1;
-
- /* This will be two bytes smaller in the long run */
- shrink +=2 ;
- perform_slip(symbols, 2, input_section, r->address-shrink +1);
-
-
- }
- return shrink;
+ asymbol *p = *s;
+ if (p->section == input_section)
+ {
+ /* This was pointing into this section, so mangle it */
+ if (p->value > value)
+ {
+ p->value -= slip;
+ }
+ }
+ s++;
+ }
}
boolean
-DEFUN(bfd_coff_reloc16_relax_section,(abfd, i, symbols),
- bfd *abfd AND
- asection *i AND
- asymbol **symbols)
+bfd_coff_reloc16_relax_section (abfd, i, link_info, symbols)
+ bfd *abfd;
+ asection *i;
+ struct bfd_link_info *link_info;
+ asymbol **symbols;
{
-
/* Get enough memory to hold the stuff */
bfd *input_bfd = i->owner;
asection *input_section = i;
input_section,
reloc_vector,
symbols))
- {
- arelent **parent;
- for (parent = reloc_vector; *parent; parent++)
{
- arelent *r = *parent;
- switch (r->howto->type) {
- case R_MOVB2:
- case R_JMP2:
-
- shrink+=2;
- break;
-
- case R_MOVB1:
- shrink = movb1(input_section, symbols, r, shrink);
- new = true;
-
- break;
- case R_JMP1:
- shrink = jmp1(input_section, symbols, r, shrink);
- new = true;
-
- break;
+ arelent **parent;
+ for (parent = reloc_vector; *parent; parent++)
+ {
+ shrink = bfd_coff_reloc16_estimate (abfd, input_section, symbols,
+ *parent, shrink, link_info);
}
}
- }
input_section->_cooked_size -= shrink;
free((char *)reloc_vector);
return new;
}
bfd_byte *
-DEFUN(bfd_coff_reloc16_get_relocated_section_contents,(in_abfd, seclet, data),
- bfd *in_abfd AND
- bfd_seclet_type *seclet AND
- bfd_byte *data)
-
+bfd_coff_reloc16_get_relocated_section_contents(in_abfd,
+ link_info,
+ link_order,
+ data,
+ relocateable,
+ symbols)
+ bfd *in_abfd;
+ struct bfd_link_info *link_info;
+ struct bfd_link_order *link_order;
+ bfd_byte *data;
+ boolean relocateable;
+ asymbol **symbols;
{
/* Get enough memory to hold the stuff */
- bfd *input_bfd = seclet->u.indirect.section->owner;
- asection *input_section = seclet->u.indirect.section;
+ bfd *input_bfd = link_order->u.indirect.section->owner;
+ asection *input_section = link_order->u.indirect.section;
bfd_size_type reloc_size = bfd_get_reloc_upper_bound(input_bfd,
input_section);
arelent **reloc_vector = (arelent **)bfd_xmalloc(reloc_size);
+ /* If producing relocateable output, don't bother to relax. */
+ if (relocateable)
+ return bfd_generic_get_relocated_section_contents (in_abfd, link_info,
+ link_order,
+ data, relocateable,
+ symbols);
+
/* read in the section */
bfd_get_section_contents(input_bfd,
input_section,
if (bfd_canonicalize_reloc(input_bfd,
input_section,
reloc_vector,
- seclet->u.indirect.symbols) )
- {
- arelent **parent = reloc_vector;
- arelent *reloc ;
+ symbols) )
+ {
+ arelent **parent = reloc_vector;
+ arelent *reloc ;
- unsigned int dst_address = 0;
- unsigned int src_address = 0;
- unsigned int run;
- unsigned int idx;
+ unsigned int dst_address = 0;
+ unsigned int src_address = 0;
+ unsigned int run;
+ unsigned int idx;
- /* Find how long a run we can do */
- while (dst_address < seclet->size)
- {
+ /* Find how long a run we can do */
+ while (dst_address < link_order->size)
+ {
- reloc = *parent;
- if (reloc)
- {
- /* Note that the relaxing didn't tie up the addresses in the
- relocation, so we use the original address to work out the
- run of non-relocated data */
- run = reloc->address - src_address;
- parent++;
+ reloc = *parent;
+ if (reloc)
+ {
+ /* Note that the relaxing didn't tie up the addresses in the
+ relocation, so we use the original address to work out the
+ run of non-relocated data */
+ run = reloc->address - src_address;
+ parent++;
- }
- else
- {
- run = seclet->size - dst_address;
- }
- /* Copy the bytes */
- for (idx = 0; idx < run; idx++)
- {
- data[dst_address++] = data[src_address++];
- }
+ }
+ else
+ {
+ run = link_order->size - dst_address;
+ }
+ /* Copy the bytes */
+ for (idx = 0; idx < run; idx++)
+ {
+ data[dst_address++] = data[src_address++];
+ }
- /* Now do the relocation */
+ /* Now do the relocation */
- if (reloc)
- {
- switch (reloc->howto->type)
- {
- case R_JMP2:
- /* Speciial relaxed type */
- {
- bfd_vma dot = seclet->offset + dst_address + seclet->u.indirect.section->output_section->vma;
- int gap = bfd_coff_reloc16_get_value(reloc,seclet)-dot-1;
- if ((gap & ~0xff ) != 0 &&((gap & 0xff00)!= 0xff00)) abort();
-
- bfd_put_8(in_abfd,gap, data+dst_address);
-
- switch (data[dst_address-1])
- {
-
- case 0x5e:
- /* jsr -> bsr */
- bfd_put_8(in_abfd, 0x55, data+dst_address-1);
- break;
- case 0x5a:
- /* jmp ->bra */
- bfd_put_8(in_abfd, 0x40, data+dst_address-1);
- break;
-
- default:
- abort();
-
- }
-
-
-
-
- dst_address++;
- src_address+=3;
-
- break;
+ if (reloc)
+ {
+ bfd_coff_reloc16_extra_cases (in_abfd, link_info, link_order,
+ reloc, data, &src_address,
+ &dst_address);
+ }
}
-
-
- case R_MOVB2:
- /* Special relaxed type, there will be a gap between where we
- get stuff from and where we put stuff to now
-
- for a mov.b @aa:16 -> mov.b @aa:8
- opcode 0x6a 0x0y offset
- -> 0x2y off
- */
- if (data[dst_address-1] != 0x6a)
- abort();
- switch (data[src_address] & 0xf0)
- {
- case 0x00:
- /* Src is memory */
- data[dst_address-1] = (data[src_address] & 0xf) | 0x20;
- break;
- case 0x80:
- /* Src is reg */
- data[dst_address-1] = (data[src_address] & 0xf) | 0x30;
- break;
- default:
- abort();
- }
-
- /* the offset must fit ! after all, what was all the relaxing
- about ? */
-
- bfd_put_8(in_abfd, bfd_coff_reloc16_get_value(reloc, seclet),
- data + dst_address);
-
- /* Note the magic - src goes up by two bytes, but dst by only
- one */
- dst_address+=1;
- src_address+=3;
-
- break;
- /* PCrel 8 bits */
- case R_PCRBYTE:
- {
- bfd_vma dot = seclet->offset + dst_address + seclet->u.indirect.section->output_section->vma;
- int gap = bfd_coff_reloc16_get_value(reloc,seclet)-dot;
- if (gap > 127 || gap < -128)
- {
- bfd_error_vector.reloc_value_truncated(reloc, seclet);
- }
-
- bfd_put_8(in_abfd,gap, data+dst_address);
- dst_address++;
- src_address++;
-
- break;
- }
-
- case R_RELBYTE:
- {
- unsigned int gap =bfd_coff_reloc16_get_value(reloc,seclet);
- if (gap > 0xff && gap < ~0xff)
- {
- bfd_error_vector.reloc_value_truncated(reloc, seclet);
- }
-
- bfd_put_8(in_abfd, gap, data+dst_address);
- dst_address+=1;
- src_address+=1;
-
-
- }
- break;
- case R_JMP1:
- /* A relword which would have like to have been a pcrel */
- case R_MOVB1:
- /* A relword which would like to have been modified but
- didn't make it */
- case R_RELWORD:
- bfd_put_16(in_abfd, bfd_coff_reloc16_get_value(reloc,seclet),
- data+dst_address);
- dst_address+=2;
- src_address+=2;
- break;
- default:
- bfd_coff_reloc16_extra_cases (in_abfd, seclet, reloc, data,
- &src_address, &dst_address);
- break;
- }
- }
}
- }
free((char *)reloc_vector);
return data;
-
}
projects / platform / upstream / binutils.git / commitdiff