/* BFD back-end for Intel 960 b.out binaries.
- Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
static void perform_slip PARAMS ((bfd *abfd, unsigned int slip,
asection *input_section, bfd_vma value));
static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section));
-static bfd_target *b_out_callback PARAMS ((bfd *));
+static const 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 *));
+ unsigned int srcidx, unsigned int dstidx, asection *, boolean));
static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *,
asection *));
static int abs32code PARAMS ((bfd *, asection *, arelent *,
}
-static bfd_target *
+static const bfd_target *
b_out_object_p (abfd)
bfd *abfd;
{
/* Finish up the opening of a b.out file for reading. Fill in all the
fields that are not handled by common code. */
-static bfd_target *
+static const bfd_target *
b_out_callback (abfd)
bfd *abfd;
{
struct bout_data_struct *rawptr;
rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
- if (rawptr == NULL) {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ if (rawptr == NULL)
+ return false;
abfd->tdata.bout_data = rawptr;
exec_hdr (abfd) = &rawptr->e;
- /* For simplicity's sake we just make all the sections right here. */
obj_textsec (abfd) = (asection *)NULL;
obj_datasec (abfd) = (asection *)NULL;
obj_bsssec (abfd) = (asection *)NULL;
- bfd_make_section (abfd, ".text");
- bfd_make_section (abfd, ".data");
- bfd_make_section (abfd, ".bss");
-
return true;
}
{
struct external_exec swapped_hdr;
+ if (! aout_32_make_sections (abfd))
+ return false;
+
exec_hdr (abfd)->a_info = BMAGIC;
exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
/* Magic to turn call into callj */
static bfd_reloc_status_type
callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx,
- input_section)
+ input_section, shrinking)
bfd *abfd;
struct bfd_link_info *link_info;
arelent *reloc_entry;
unsigned int srcidx;
unsigned int dstidx;
asection *input_section;
+ boolean shrinking;
{
int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx);
asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
- output_addr (input_section))
& BAL_MASK);
}
+ else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0)
+ {
+ /* A callj against a symbol in the same section is a fully
+ resolved relative call. We don't need to do anything here.
+ If the symbol is not in the same section, I'm not sure what
+ to do; fortunately, this case will probably never arise. */
+ BFD_ASSERT (! shrinking);
+ BFD_ASSERT (symbol->symbol.section == input_section);
+ }
else
{
word = CALL | (((word & BAL_MASK)
+ value
+ reloc_entry->addend
- - dstidx
+ - (shrinking ? dstidx : 0)
- output_addr (input_section))
& BAL_MASK);
}
HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false),
};
-static const reloc_howto_type *
+static reloc_howto_type *
b_out_bfd_reloc_type_lookup (abfd, code)
bfd *abfd;
bfd_reloc_code_real_type code;
case BFD_RELOC_I960_CALLJ:
return &howto_reloc_callj;
case BFD_RELOC_32:
+ case BFD_RELOC_CTOR:
return &howto_reloc_abs32;
case BFD_RELOC_24_PCREL:
return &howto_reloc_pcrel24;
goto doit;
}
+ if (asect == obj_bsssec (abfd)) {
+ reloc_size = 0;
+ goto doit;
+ }
+
bfd_set_error (bfd_error_invalid_operation);
return false;
return false;
count = reloc_size / sizeof (struct relocation_info);
- relocs = (struct relocation_info *) malloc (reloc_size);
- if (!relocs && reloc_size != 0) {
- bfd_set_error (bfd_error_no_memory);
+ relocs = (struct relocation_info *) bfd_malloc (reloc_size);
+ if (!relocs && reloc_size != 0)
return false;
- }
- reloc_cache = (arelent *) malloc ((count+1) * sizeof (arelent));
+ reloc_cache = (arelent *) bfd_malloc ((count+1) * sizeof (arelent));
if (!reloc_cache) {
- free ((char*)relocs);
- bfd_set_error (bfd_error_no_memory);
+ if (relocs != NULL)
+ free ((char*)relocs);
return false;
}
if (bfd_read ((PTR) relocs, 1, reloc_size, abfd) != reloc_size) {
free (reloc_cache);
- free (relocs);
+ if (relocs != NULL)
+ free (relocs);
return false;
}
- if (abfd->xvec->header_byteorder_big_p) {
+ if (bfd_header_big_endian (abfd)) {
/* big-endian bit field allocation order */
pcrel_mask = 0x80;
extern_mask = 0x10;
unsigned int symnum;
cache_ptr->address = bfd_h_get_32 (abfd, raw + 0);
cache_ptr->howto = 0;
- if (abfd->xvec->header_byteorder_big_p)
+ if (bfd_header_big_endian (abfd))
{
symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6];
}
if (raw[7] & pcrel_mask)
{
cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3];
- cache_ptr->sym_ptr_ptr = &bfd_abs_symbol;
+ cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
}
else
{
}
- free (relocs);
+ if (relocs != NULL)
+ free (relocs);
asect->relocation = reloc_cache;
asect->reloc_count = count;
int extern_mask, pcrel_mask, len_2, callj_mask;
if (count == 0) return true;
generic = section->orelocation;
- native = ((struct relocation_info *) malloc (natsize));
- if (!native && natsize != 0) {
- bfd_set_error (bfd_error_no_memory);
+ native = ((struct relocation_info *) bfd_malloc (natsize));
+ if (!native && natsize != 0)
return false;
- }
- if (abfd->xvec->header_byteorder_big_p)
+ if (bfd_header_big_endian (abfd))
{
/* Big-endian bit field allocation order */
pcrel_mask = 0x80;
if (r_idx != 0)
/* already mucked with r_extern, r_idx */;
else if (bfd_is_com_section (output_section)
- || output_section == &bfd_abs_section
- || output_section == &bfd_und_section)
+ || bfd_is_abs_section (output_section)
+ || bfd_is_und_section (output_section))
{
- if (bfd_abs_section.symbol == sym)
+ if (bfd_abs_section_ptr->symbol == sym)
{
/* Whoops, looked like an abs symbol, but is really an offset
from the abs section */
r_idx = output_section->target_index;
}
- if (abfd->xvec->header_byteorder_big_p) {
+ if (bfd_header_big_endian (abfd)) {
raw[4] = (unsigned char) (r_idx >> 16);
raw[5] = (unsigned char) (r_idx >> 8);
raw[6] = (unsigned char) (r_idx );
arelent **relptr;
asymbol **symbols;
{
- arelent *tblptr = section->relocation;
- unsigned int count = 0;
+ arelent *tblptr;
+ unsigned int count;
- if (!(tblptr || b_out_slurp_reloc_table (abfd, section, symbols)))
- return -1;
- tblptr = section->relocation;
+ if ((section->flags & SEC_CONSTRUCTOR) != 0)
+ {
+ arelent_chain *chain = section->constructor_chain;
+ for (count = 0; count < section->reloc_count; count++)
+ {
+ *relptr++ = &chain->relent;
+ chain = chain->next;
+ }
+ }
+ else
+ {
+ if (section->relocation == NULL
+ && ! b_out_slurp_reloc_table (abfd, section, symbols))
+ return -1;
- for (; count++ < section->reloc_count;)
- *relptr++ = tblptr++;
+ tblptr = section->relocation;
+ for (count = 0; count++ < section->reloc_count;)
+ *relptr++ = tblptr++;
+ }
- *relptr = 0;
+ *relptr = NULL;
return section->reloc_count;
}
return -1;
}
+ if (asect->flags & SEC_CONSTRUCTOR)
+ return sizeof (arelent *) * (asect->reloc_count + 1);
+
if (asect == obj_datasec (abfd))
return (sizeof (arelent *) *
((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info))
static boolean
b_out_set_section_contents (abfd, section, location, offset, count)
bfd *abfd;
- sec_ptr section;
- unsigned char *location;
+ asection *section;
+ PTR location;
file_ptr offset;
- int count;
+ bfd_size_type count;
{
if (abfd->output_has_begun == false) { /* set by bfd.c handler */
- if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL) /*||
- (obj_textsec (abfd)->_cooked_size == 0) || (obj_datasec (abfd)->_cooked_size == 0)*/) {
- bfd_set_error (bfd_error_invalid_operation);
+ if (! aout_32_make_sections (abfd))
return false;
- }
obj_textsec (abfd)->filepos = sizeof(struct internal_exec);
obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos
case bfd_mach_i960_xa:
case bfd_mach_i960_ca:
case bfd_mach_i960_ka_sa:
+ case bfd_mach_i960_jx:
+ case bfd_mach_i960_hx:
case 0:
return true;
default:
base of the section. To relocate, we find where the section will
live in the output and add that in */
- if (symbol->section == &bfd_und_section)
+ if (bfd_is_und_section (symbol->section))
{
struct bfd_link_hash_entry *h;
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)
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
value = h->u.def.value + output_addr (h->u.def.section);
else if (h != (struct bfd_link_hash_entry *) NULL
&& h->type == bfd_link_hash_common)
if (p->value > value)
{
p->value -=slip;
- if (p->udata != NULL)
+ if (p->udata.p != NULL)
{
struct generic_link_hash_entry *h;
- h = (struct generic_link_hash_entry *) p->udata;
+ h = (struct generic_link_hash_entry *) p->udata.p;
BFD_ASSERT (h->root.type == bfd_link_hash_defined);
h->root.u.def.value -= slip;
BFD_ASSERT (h->root.u.def.value == p->value);
{
long reloc_count;
- reloc_vector = (arelent **) malloc (reloc_size);
+ reloc_vector = (arelent **) bfd_malloc (reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
+ goto error_return;
/* Get the relocs and think about them */
reloc_count =
data, relocateable,
symbols);
- reloc_vector = (arelent **) malloc (reloc_size);
+ reloc_vector = (arelent **) bfd_malloc (reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
+ goto error_return;
input_section->reloc_done = 1;
break;
case CALLJ:
callj_callback (in_abfd, link_info, reloc, data, src_address,
- dst_address, input_section);
+ dst_address, input_section, false);
src_address+=4;
dst_address+=4;
break;
/* 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, link_info, reloc, data,
- src_address + 4, dst_address, input_section);
+ src_address + 4, dst_address, input_section,
+ true);
dst_address+=4;
src_address+=8;
break;
#define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define b_out_bfd_final_link _bfd_generic_final_link
+#define b_out_bfd_link_split_section _bfd_generic_link_split_section
+
+#define aout_32_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
-bfd_target b_out_vec_big_host =
+const bfd_target b_out_vec_big_host =
{
"b.out.big", /* name */
bfd_target_aout_flavour,
- false, /* data byte order is little */
- true, /* hdr byte order is big */
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_BIG, /* hdr byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
'_', /* symbol leading char */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- 2, /* minumum alignment power */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
};
-bfd_target b_out_vec_little_host =
+const bfd_target b_out_vec_little_host =
{
"b.out.little", /* name */
bfd_target_aout_flavour,
- false, /* data byte order is little */
- false, /* header byte order is little */
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
'_', /* symbol leading char */
' ', /* ar_pad_char */
16, /* ar_max_namelen */
- 2, /* minum align */
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 */
projects / binutils.git / blobdiff