/* BFD back-end for Zilog Z800n COFF binaries.
- Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000
+ Copyright 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001
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, 1, 32, false, 0,
+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,
+HOWTO (R_IMM4L, 0, 0, 4, false, 0,
complain_overflow_bitfield, 0, "r_imm4l", true, 0xf, 0xf, false);
static reloc_howto_type r_da =
false);
static reloc_howto_type r_imm8 =
-HOWTO (R_IMM8, 0, 1, 8, false, 0,
+HOWTO (R_IMM8, 0, 0, 8, false, 0,
complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff,
false);
true);
static reloc_howto_type r_jr =
-HOWTO (R_JR, 0, 1, 8, true, 0, complain_overflow_signed, 0,
+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, 1, 7, true, 0, complain_overflow_bitfield, 0,
+HOWTO (R_DISP7, 0, 0, 7, true, 0, complain_overflow_bitfield, 0,
"r_disp7", true, 0, 0, true);
static reloc_howto_type r_callr =
#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
rtype2howto (internal, dst)
}
}
-#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
+#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
-/* Perform any necessary 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;
static void
reloc_processing (relent, reloc, symbols, abfd, section)
arelent * relent;
- struct internal_reloc *reloc;
+ struct internal_reloc * reloc;
asymbol ** symbols;
bfd * abfd;
asection * section;
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_section_ptr->symbol_ptr_ptr;
- }
+ 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, 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;
+ 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;
+ asection * input_section = link_order->u.indirect.section;
switch (reloc->howto->type)
{
break;
case R_IMM32:
- bfd_put_32 (in_abfd,
- bfd_coff_reloc16_get_value (reloc, link_info, input_section),
- 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);
+ /* Adresses 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;
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 */
+ 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 ();
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 */
+ 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 ();
input_section, reloc->address)))
abort ();
}
- bfd_put_16 (in_abfd,gap,data + *dst_ptr);
+ bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
(*dst_ptr) += 2;
(*src_ptr) += 2;
break;
}
+
default:
abort ();
}
projects / deliverable / binutils-gdb.git / blobdiff