/* BFD back-end for Zilog Z800n COFF binaries.
- Copyright 1992 Free Software Foundation, Inc.
+ Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
Written by Steve Chamberlain, <sac@cygnus.com>.
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"
#include "sysdep.h"
#include "libbfd.h"
-#include "obstack.h"
+#include "bfdlink.h"
#include "coff/z8k.h"
#include "coff/internal.h"
#include "libcoff.h"
-#include "seclet.h"
-
-extern bfd_error_vector_type bfd_error_vector;
-
-/* Dummy for now */
-static bfd_reloc_status_type
-DEFUN (func_da, (abfd, reloc_entry, symbol, data, input_section, output_bfd),
- bfd * abfd AND
- arelent * reloc_entry AND
- struct symbol_cache_entry *symbol AND
- PTR data AND
- asection * input_section AND
- bfd * output_bfd)
-{
-}
-
-/* Dummy for now */
-static bfd_reloc_status_type
-DEFUN (func_imm8, (abfd, reloc_entry, symbol, data, input_section, output_bfd),
- bfd * abfd AND
- arelent * reloc_entry AND
- struct symbol_cache_entry *symbol AND
- PTR data AND
- asection * input_section AND
- bfd * output_bfd)
-{
-}
-/* Dummy for now */
-static bfd_reloc_status_type
-DEFUN (func_jr, (abfd, reloc_entry, symbol, data, input_section, output_bfd),
- bfd * abfd AND
- arelent * reloc_entry AND
- struct symbol_cache_entry *symbol AND
- PTR data AND
- asection * input_section AND
- bfd * output_bfd)
-{
-}
+static void extra_case PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, bfd_byte *, unsigned int *, unsigned int *));
+static void reloc_processing PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
+static void rtype2howto PARAMS ((arelent *, struct internal_reloc *));
+static int coff_z8k_select_reloc PARAMS ((reloc_howto_type *));
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
static reloc_howto_type r_imm32 =
-HOWTO (R_IMM32, 0, 1, 32, false, 0, true,
- true, func_jr, "r_imm32", true, 0xffffffff, 0xffffffff, false);
+HOWTO (R_IMM32, 0, 2, 32, false, 0,
+ complain_overflow_bitfield, 0, "r_imm32", true, 0xffffffff,
+ 0xffffffff, false);
static reloc_howto_type r_imm4l =
-HOWTO (R_IMM4L, 0, 1, 4, false, 0, true,
- true, func_jr, "r_imm4l", true, 0xf, 0xf, false);
+HOWTO (R_IMM4L, 0, 0, 4, false, 0,
+ complain_overflow_bitfield, 0, "r_imm4l", true, 0xf, 0xf, false);
static reloc_howto_type r_da =
-HOWTO (R_DA, 0, 1, 16, false, 0, true,
- true, func_da, "r_da", true, 0x0000ffff, 0x0000ffff, false);
+HOWTO (R_IMM16, 0, 1, 16, false, 0,
+ complain_overflow_bitfield, 0, "r_da", true, 0x0000ffff, 0x0000ffff,
+ false);
static reloc_howto_type r_imm8 =
-HOWTO (R_IMM8, 0, 1, 8, false, 0, true,
- true, func_imm8, "r_imm8", true, 0x000000ff, 0x000000ff, false);
+HOWTO (R_IMM8, 0, 0, 8, false, 0,
+ complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff,
+ false);
+
+static reloc_howto_type r_rel16 =
+HOWTO (R_REL16, 0, 1, 16, false, 0,
+ complain_overflow_bitfield, 0, "r_rel16", true, 0x0000ffff, 0x0000ffff,
+ true);
static reloc_howto_type r_jr =
-HOWTO (R_JR, 0, 1, 8, true, 0, true, true, func_jr, "r_jr", true, 0, 0, true);
+HOWTO (R_JR, 0, 0, 8, true, 0, complain_overflow_signed, 0,
+ "r_jr", true, 0, 0, true);
+
+static reloc_howto_type r_disp7 =
+HOWTO (R_DISP7, 0, 0, 7, true, 0, complain_overflow_bitfield, 0,
+ "r_disp7", true, 0, 0, true);
+
+static reloc_howto_type r_callr =
+HOWTO (R_CALLR, 0, 1, 12, true, 0, complain_overflow_signed, 0,
+ "r_callr", true, 0xfff, 0xfff, true);
/* Turn a howto into a reloc number */
-static int
+static int
coff_z8k_select_reloc (howto)
reloc_howto_type *howto;
{
return howto->type;
}
-#define SELECT_RELOC(x,howto) x= coff_z8k_select_reloc(howto)
-
+#define SELECT_RELOC(x,howto) x.r_type = coff_z8k_select_reloc(howto)
#define BADMAG(x) Z8KBADMAG(x)
#define Z8K 1 /* Customize coffcode.h */
#define __A_MAGIC_SET__
-
-
-/* Code to swap in the reloc */
-#define SWAP_IN_RELOC_OFFSET bfd_h_get_32
-#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
+/* Code to swap in the reloc. */
+#define SWAP_IN_RELOC_OFFSET H_GET_32
+#define SWAP_OUT_RELOC_OFFSET H_PUT_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
dst->r_stuff[0] = 'S'; \
dst->r_stuff[1] = 'C';
-/* Code to turn a r_type into a howto ptr, uses the above howto table
- */
+/* Code to turn a r_type into a howto ptr, uses the above howto table. */
static void
-DEFUN (rtype2howto, (internal, dst),
- arelent * internal AND
- struct internal_reloc *dst)
+rtype2howto (internal, dst)
+ arelent * internal;
+ struct internal_reloc *dst;
{
switch (dst->r_type)
{
- default:
- printf ("BAD %x\n", dst->r_type);
+ default:
+ abort ();
+ break;
case R_IMM8:
internal->howto = &r_imm8;
break;
- case R_DA:
+ case R_IMM16:
internal->howto = &r_da;
break;
case R_JR:
internal->howto = &r_jr;
break;
+ case R_DISP7:
+ internal->howto = &r_disp7;
+ break;
+ case R_CALLR:
+ internal->howto = &r_callr;
+ break;
+ case R_REL16:
+ internal->howto = &r_rel16;
+ break;
case R_IMM32:
internal->howto = &r_imm32;
break;
}
}
-#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
-
-
-/* Perform any necessaru magic to the addend in a reloc entry */
+#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
+/* Perform any necessary magic to the addend in a reloc entry. */
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
cache_ptr->addend = ext_reloc.r_offset;
-
#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
reloc_processing(relent, reloc, symbols, abfd, section)
-static void
-DEFUN (reloc_processing, (relent, reloc, symbols, abfd, section),
- arelent * relent AND
- struct internal_reloc *reloc AND
- asymbol ** symbols AND
- bfd * abfd AND
- asection * section)
+static void
+reloc_processing (relent, reloc, symbols, abfd, section)
+ arelent * relent;
+ struct internal_reloc * reloc;
+ asymbol ** symbols;
+ bfd * abfd;
+ asection * section;
{
relent->address = reloc->r_vaddr;
rtype2howto (relent, reloc);
if (reloc->r_symndx > 0)
- {
- relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
- }
+ relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
else
- {
- relent->sym_ptr_ptr = &(bfd_abs_symbol);
- }
-
+ relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
relent->addend = reloc->r_offset;
relent->address -= section->vma;
}
static void
-extra_case (in_abfd, seclet, reloc, data, src_ptr, dst_ptr)
- bfd *in_abfd;
- bfd_seclet_type *seclet;
- arelent *reloc;
- bfd_byte *data;
- unsigned int *src_ptr;
- unsigned int *dst_ptr;
+extra_case (in_abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)
+ bfd * in_abfd;
+ struct bfd_link_info * link_info;
+ struct bfd_link_order * link_order;
+ arelent * reloc;
+ bfd_byte * data;
+ unsigned int * src_ptr;
+ unsigned int * dst_ptr;
{
+ asection * input_section = link_order->u.indirect.section;
+
switch (reloc->howto->type)
{
case R_IMM8:
- bfd_put_8 (in_abfd, bfd_coff_reloc16_get_value (reloc, seclet),
+ bfd_put_8 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section),
data + *dst_ptr);
(*dst_ptr) += 1;
(*src_ptr) += 1;
break;
case R_IMM32:
- bfd_put_32 (in_abfd, bfd_coff_reloc16_get_value (reloc, seclet),
+ bfd_put_32 (in_abfd,
+ /* 0x80000000 indicates a long segmented address. */
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section) | 0x80000000,
data + *dst_ptr);
(*dst_ptr) += 4;
(*src_ptr) += 4;
case R_IMM4L:
bfd_put_8 (in_abfd,
- (bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
- | (0x0f & bfd_coff_reloc16_get_value (reloc, seclet)),
+ ((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
+ | (0x0f
+ & bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section))),
data + *dst_ptr);
(*dst_ptr) += 1;
(*src_ptr) += 1;
break;
- case R_DA:
- bfd_put_16 (in_abfd, bfd_coff_reloc16_get_value (reloc, seclet),
+ case R_IMM16:
+ bfd_put_16 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section),
data + *dst_ptr);
(*dst_ptr) += 2;
(*src_ptr) += 2;
case R_JR:
{
- bfd_vma dst = bfd_coff_reloc16_get_value (reloc, seclet);
- bfd_vma dot = seclet->offset
- + *dst_ptr
- + seclet->u.indirect.section->output_section->vma;
- int gap = dst - dot - 1;/* -1 since were in the odd byte of the
- word and the pc's been incremented */
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (link_order->offset
+ + *dst_ptr
+ + input_section->output_section->vma);
+ int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
+ word and the pc's been incremented. */
if (gap & 1)
abort ();
gap /= 2;
if (gap > 128 || gap < -128)
{
- bfd_error_vector.reloc_value_truncated (reloc, seclet);
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
}
bfd_put_8 (in_abfd, gap, data + *dst_ptr);
(*dst_ptr)++;
(*src_ptr)++;
break;
}
+
+ case R_DISP7:
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (link_order->offset
+ + *dst_ptr
+ + input_section->output_section->vma);
+ int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
+ word and the pc's been incremented. */
+
+ if (gap & 1)
+ abort ();
+ gap /= 2;
+
+ if (gap > 0 || gap < -128)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
+ }
+ bfd_put_8 (in_abfd,
+ (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
+ data + *dst_ptr);
+ (*dst_ptr)++;
+ (*src_ptr)++;
+ break;
+ }
+
+ case R_CALLR:
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (link_order->offset
+ + *dst_ptr
+ + input_section->output_section->vma);
+ int gap = dst - dot - 2;
+
+ if (gap & 1)
+ abort ();
+ gap /= 2;
+ if (gap > 8191 || gap < -8192)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
+ }
+ bfd_put_16 (in_abfd,
+ (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
+ data + *dst_ptr);
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+ }
+
+ case R_REL16:
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (link_order->offset
+ + *dst_ptr
+ + input_section->output_section->vma);
+ int gap = dst - dot - 2;
+
+ if (gap > 32767 || gap < -32768)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
+ }
+ bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+ }
+
default:
abort ();
}
#include "coffcode.h"
-
#undef coff_bfd_get_relocated_section_contents
#undef coff_bfd_relax_section
-#define coff_bfd_get_relocated_section_contents bfd_coff_reloc16_get_relocated_section_contents
+#define coff_bfd_get_relocated_section_contents \
+ bfd_coff_reloc16_get_relocated_section_contents
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
-bfd_target z8kcoff_vec =
-{
- "coff-z8k", /* name */
- bfd_target_coff_flavour,
- true, /* data byte order is big */
- true, /* header byte order is big */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading symbol underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 1, /* minimum section alignment */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
- _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
-
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
- bfd_false},
- {bfd_false, coff_write_object_contents, /* bfd_write_contents */
- _bfd_write_archive_contents, bfd_false},
-
- JUMP_TABLE (coff),
- 0, 0,
- COFF_SWAP_TABLE,
-};
+CREATE_BIG_COFF_TARGET_VEC (z8kcoff_vec, "coff-z8k", 0, 0, '_', NULL)
projects / deliverable / binutils-gdb.git / blobdiff