-/* Zilog Z800n COFF back-end for BFD.
- Copyright (C) 1992 Free Software Foundation, Inc.
- Written by Steve Chamberlain
- sac@cygnus.com
+/* BFD back-end for Zilog Z800n COFF binaries.
+ Copyright 1992, 93, 94, 95, 1997 Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+ Written by Steve Chamberlain, <sac@cygnus.com>.
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"
#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_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 reloc_howto_type r_da =
- HOWTO(R_DA , 0, 1, 16, false, 0, true,
-true,func_da,"r_da", true, 0x0000ffff,0x0000ffff, false);
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
-static reloc_howto_type r_jr =
- HOWTO(R_JR, 0,1,8,true,0,true,true,func_jr,"r_jr", true,0,0,true);
+static reloc_howto_type r_imm32 =
+HOWTO (R_IMM32, 0, 1, 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,
+ complain_overflow_bitfield, 0, "r_imm4l", true, 0xf, 0xf, false);
+static reloc_howto_type r_da =
+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,
+ complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff,
+ false);
+static reloc_howto_type r_jr =
+HOWTO (R_JR, 0, 1, 8, true, 0, complain_overflow_signed, 0,
+ "r_jr", true, 0, 0, true);
/* Turn a howto into a reloc number */
-static int coff_z8k_select_reloc(howto)
-reloc_howto_type *howto;
+static int
+coff_z8k_select_reloc (howto)
+ reloc_howto_type *howto;
{
-return howto->type;
+ 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 Z8K 1 /* Customize coffcode.h */
#define __A_MAGIC_SET__
#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
dst->r_stuff[0] = 'S'; \
- dst->r_stuff[1] = 'C';
+ dst->r_stuff[1] = 'C';
/* 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)
+static void
+rtype2howto (internal, dst)
+ arelent * internal;
+ struct internal_reloc *dst;
{
- switch (dst->r_type) {
- default:
- printf("BAD %x\n", dst->r_type);
- case R_DA:
- internal->howto = &r_da;
- break;
- case R_JR:
- internal->howto = &r_jr;
+ switch (dst->r_type)
+ {
+ default:
+ abort ();
+ break;
+ case R_IMM8:
+ internal->howto = &r_imm8;
+ break;
+ case R_IMM16:
+ internal->howto = &r_da;
+ break;
+ case R_JR:
+ internal->howto = &r_jr;
+ break;
+ case R_IMM32:
+ internal->howto = &r_imm32;
+ break;
+ case R_IMM4L:
+ internal->howto = &r_imm4l;
+ break;
}
}
#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
-/* Perform any necessaru magic to the addend in a reloc entry */
+/* 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];
-
- }
- else
- {
- relent->sym_ptr_ptr = &(bfd_abs_symbol);
- }
-
-
-
+ relent->address = reloc->r_vaddr;
+ rtype2howto (relent, reloc);
+
+ if (reloc->r_symndx > 0)
+ {
+ relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
+ }
+ else
+ {
+ relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ }
+
+
relent->addend = reloc->r_offset;
-
- relent->address-= section->vma;
-/* relent->section = 0;*/
+ relent->address -= section->vma;
}
-static bfd_vma get_value();
-
static void
-extra_case(in_abfd, seclet, reloc, data, src_ptr, dst_ptr)
+extra_case (in_abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)
bfd *in_abfd;
- bfd_seclet_type *seclet;
+ 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;
{
- switch (reloc->howto->type)
- {
- case R_DA:
- bfd_put_16(in_abfd, get_value(reloc, seclet), data+*dst_ptr);
- (*dst_ptr)+=2;
- ( *src_ptr)+=2;
- break;
- case R_JR:
- {
- bfd_vma dst = 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 */
- if (gap & 1)
- abort();
- gap/=2;
- if (gap > 128 || gap< -128)
- {
- bfd_error_vector.reloc_value_truncated(reloc, seclet);
- }
- bfd_put_8(in_abfd, gap, data+*dst_ptr);
- (*dst_ptr)++;
- (*src_ptr)++;
- break;
- }
- default:
- abort();
- }
+ 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, 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, link_info, input_section),
+ data + *dst_ptr);
+ (*dst_ptr) += 4;
+ (*src_ptr) += 4;
+ break;
+
+ case R_IMM4L:
+ bfd_put_8 (in_abfd,
+ ((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_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;
+ break;
+
+ case R_JR:
+ {
+ 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 were in the odd byte of the
+ word and the pc's been incremented */
+
+ if (gap & 1)
+ abort ();
+ gap /= 2;
+ if (gap > 128 || 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, gap, data + *dst_ptr);
+ (*dst_ptr)++;
+ (*src_ptr)++;
+ break;
+ }
+ default:
+ abort ();
+ }
}
-#define EXTRA_CASES default: extra_case(in_abfd,seclet,reloc, data, &src_address, &dst_address);
-
-
+#define coff_reloc16_extra_cases extra_case
#include "coffcode.h"
-#undef coff_bfd_get_relocated_section_contents
+#undef coff_bfd_get_relocated_section_contents
#undef coff_bfd_relax_section
-#define coff_bfd_get_relocated_section_contents bfd_coff_get_relocated_section_contents
-#define coff_bfd_relax_section bfd_coff_relax_section
+#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),
- COFF_SWAP_TABLE
- };
+CREATE_BIG_COFF_TARGET_VEC (z8kcoff_vec, "coff-z8k", 0, 0, '_', NULL)
projects / deliverable / binutils-gdb.git / blobdiff