/* BFD back-end for Zilog Z800n COFF binaries.
- Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
+ 2004 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Written by Steve Chamberlain, <sac@cygnus.com>.
#include "coff/internal.h"
#include "libcoff.h"
-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, 2, 32, false, 0,
- complain_overflow_bitfield, 0, "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, 0, 4, false, 0,
- complain_overflow_bitfield, 0, "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_IMM16, 0, 1, 16, false, 0,
- complain_overflow_bitfield, 0, "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, 0, 8, false, 0,
- complain_overflow_bitfield, 0, "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);
+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, 0, 8, true, 0, complain_overflow_signed, 0,
- "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);
+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);
+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
-coff_z8k_select_reloc (howto)
- reloc_howto_type *howto;
+coff_z8k_select_reloc (reloc_howto_type *howto)
{
return howto->type;
}
/* Code to turn a r_type into a howto ptr, uses the above howto table. */
static void
-rtype2howto (internal, dst)
- arelent * internal;
- struct internal_reloc *dst;
+rtype2howto (arelent *internal, struct internal_reloc *dst)
{
switch (dst->r_type)
{
reloc_processing(relent, reloc, symbols, abfd, section)
static void
-reloc_processing (relent, reloc, symbols, abfd, section)
- arelent * relent;
- struct internal_reloc * reloc;
- asymbol ** symbols;
- bfd * abfd;
- asection * section;
+reloc_processing (arelent *relent,
+ struct internal_reloc *reloc,
+ asymbol **symbols,
+ bfd *abfd,
+ asection *section)
{
relent->address = reloc->r_vaddr;
rtype2howto (relent, reloc);
}
static void
-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;
+extra_case (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;
break;
case R_IMM32:
- 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);
+ /* If no flags are set, assume immediate value. */
+ if (! (*reloc->sym_ptr_ptr)->section->flags)
+ {
+ bfd_put_32 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section),
+ data + *dst_ptr);
+ }
+ else
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ /* Addresses are 23 bit, and the layout of those in a 32-bit
+ value is as follows:
+ 1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA
+ (A - address bits, x - ignore). */
+ dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000;
+ bfd_put_32 (in_abfd, dst, data + *dst_ptr);
+ }
(*dst_ptr) += 4;
(*src_ptr) += 4;
break;
if (gap > 128 || gap < -128)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
abort ();
gap /= 2;
- if (gap > 0 || gap < -128)
+ if (gap > 0 || gap < -127)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
if (gap & 1)
abort ();
- gap /= 2;
- if (gap > 8191 || gap < -8192)
+ if (gap > 4096 || gap < -4095)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
}
+ gap /= 2;
bfd_put_16 (in_abfd,
(bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
data + *dst_ptr);
if (gap > 32767 || gap < -32768)
{
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
reloc->howto->name, reloc->addend, input_section->owner,
input_section, reloc->address)))
abort ();
bfd_coff_reloc16_get_relocated_section_contents
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
-CREATE_BIG_COFF_TARGET_VEC (z8kcoff_vec, "coff-z8k", 0, 0, '_', NULL)
+CREATE_BIG_COFF_TARGET_VEC (z8kcoff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE)