-/* AMD 29000 COFF back-end for BFD.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+/* BFD back-end for AMD 29000 COFF binaries.
+ Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Contributed by David Wood at New York University 7/8/91.
This file is part of BFD, the Binary File Descriptor library.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$ */
-
#define A29K 1
#include "bfd.h"
#include "coff/internal.h"
#include "libcoff.h"
+static long get_symbol_value PARAMS ((asymbol *));
+static bfd_reloc_status_type a29k_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+
#define INSERT_HWORD(WORD,HWORD) \
(((WORD) & 0xff00ff00) | (((HWORD) & 0xff00) << 8) | ((HWORD)& 0xff))
#define EXTRACT_HWORD(WORD) \
((HWORD) & 0x8000 ? (HWORD)|0xffff0000 : (HWORD))
/* Provided the symbol, returns the value reffed */
-static long
-get_symbol_value(symbol)
-asymbol *symbol;
+static long
+get_symbol_value (symbol)
+ asymbol *symbol;
{
long relocation = 0;
- if (symbol->section == &bfd_com_section)
+ if (bfd_is_com_section (symbol->section))
{
relocation = 0;
}
/* this function is in charge of performing all the 29k relocations */
static bfd_reloc_status_type
-DEFUN(a29k_reloc,(abfd, reloc_entry, symbol_in, data, input_section),
- bfd *abfd AND
- arelent *reloc_entry AND
- asymbol *symbol_in AND
- PTR data AND
- asection *input_section)
+a29k_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
+ error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol_in;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
{
/* the consth relocation comes in two parts, we have to remember
the state between calls, in these variables */
unsigned short r_type;
long signed_value;
- unsigned long addr = reloc_entry->address + input_section->vma;
+ unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
bfd_byte *hit_data =addr + (bfd_byte *)(data);
r_type = reloc_entry->howto->type;
- /* FIXME: Do we need to check for partial linking here */
+ if (output_bfd) {
+ /* Partial linking - do nothing */
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+
+ }
+
if (symbol_in && (symbol_in->section == &bfd_und_section))
{
/* Keep the state machine happy in case we're called again */
if ((part1_consth_active) && (r_type != R_IHCONST))
{
- fprintf(stderr,"Relocation problem : ");
- fprintf(stderr,"Missing IHCONST in module %s\n",abfd->filename);
part1_consth_active = false;
+ *error_message = (char *) "Missing IHCONST";
return(bfd_reloc_dangerous);
}
case R_IREL:
insn = bfd_get_32(abfd, hit_data);
/* Take the value in the field and sign extend it */
- signed_value = EXTRACT_HWORD(insn) << 2;
+ signed_value = EXTRACT_HWORD(insn);
signed_value = SIGN_EXTEND_HWORD(signed_value);
+ signed_value <<= 2;
signed_value += sym_value + reloc_entry->addend;
if ((signed_value&~0x3ffff) == 0)
{ /* Absolute jmp/call */
insn |= (1<<24); /* Make it absolute */
/* FIXME: Should we change r_type to R_IABS */
- signed_value /= 2;
}
else
{
/* Relative jmp/call, so subtract from the value the
address of the place we're coming from */
- signed_value -= reloc_entry->address +
- input_section->output_section->vma +
- input_section->output_offset;
+ signed_value -= (input_section->output_section->vma
+ + input_section->output_offset);
if (signed_value>0x1ffff || signed_value<-0x20000)
- return(bfd_reloc_outofrange);
-
- signed_value /= 2;
+ return(bfd_reloc_overflow);
}
+ signed_value >>= 2;
insn = INSERT_HWORD(insn, signed_value);
bfd_put_32(abfd, insn ,hit_data);
break;
/* consth, part 2
Now relocate the reference */
if (part1_consth_active == false) {
- fprintf(stderr,"Relocation problem : ");
- fprintf(stderr,"IHIHALF missing in module %s\n",
- abfd->filename);
+ *error_message = (char *) "Missing IHIHALF";
return(bfd_reloc_dangerous);
}
/* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */
abfd->filename);
return(bfd_reloc_overflow);
}
- bfd_put_8(abfd, insn, hit_data);
+ bfd_put_8(abfd, unsigned_value, hit_data);
break;
case R_HWORD:
insn = bfd_get_16(abfd, hit_data);
return(bfd_reloc_overflow);
}
- bfd_put_16(abfd, insn, hit_data);
+ bfd_put_16(abfd, insn, hit_data);
break;
case R_WORD:
insn = bfd_get_32(abfd, hit_data);
bfd_put_32(abfd, insn, hit_data);
break;
default:
- fprintf(stderr,"Relocation problem : ");
- fprintf(stderr,"Unrecognized reloc type %d, in module %s\n",
- r_type,abfd->filename);
+ *error_message = "Unrecognized reloc";
return (bfd_reloc_dangerous);
}
*/
/*FIXME: I'm not real sure about this table */
-#define NA 0 /* Obsolete fields, via the documentation */
-#define NAB false
static reloc_howto_type howto_table[] =
{
- {R_ABS, 0, 3, NA, false, NA, NAB, true,a29k_reloc,"ABS", true, 0xffffffff,0xffffffff, false},
+ {R_ABS, 0, 3, 32, false, 0, complain_overflow_bitfield,a29k_reloc,"ABS", true, 0xffffffff,0xffffffff, false},
{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10},
{11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20},
{21}, {22}, {23},
- {R_IREL, 0, 3, NA, true, NA, NAB, true,a29k_reloc,"IREL", true, 0xffffffff,0xffffffff, false},
- {R_IABS, 0, 3, NA, false, NA, NAB, true,a29k_reloc,"IABS", true, 0xffffffff,0xffffffff, false},
- {R_ILOHALF, 0, 3, NA, true, NA, NAB, true,a29k_reloc,"ILOHALF", true, 0x0000ffff,0x0000ffff, false},
- {R_IHIHALF, 0, 3, NA, true, NA, NAB, true,a29k_reloc,"IHIHALF", true, 0xffff0000,0xffff0000, false},
- {R_IHCONST, 0, 3, NA, true, NA, NAB, true,a29k_reloc,"IHCONST", true, 0xffff0000,0xffff0000, false},
- {R_BYTE, 0, 0, NA, false, NA, NAB, true,a29k_reloc,"BYTE", true, 0x000000ff,0x000000ff, false},
- {R_HWORD, 0, 1, NA, false, NA, NAB, true,a29k_reloc,"HWORD", true, 0x0000ffff,0x0000ffff, false},
- {R_WORD, 0, 2, NA, false, NA, NAB, true,a29k_reloc,"WORD", true, 0xffffffff,0xffffffff, false},
+ {R_IREL, 0, 3, 32, true, 0, complain_overflow_signed,a29k_reloc,"IREL", true, 0xffffffff,0xffffffff, false},
+ {R_IABS, 0, 3, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"IABS", true, 0xffffffff,0xffffffff, false},
+ {R_ILOHALF, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"ILOHALF", true, 0x0000ffff,0x0000ffff, false},
+ {R_IHIHALF, 0, 3, 16, true, 16, complain_overflow_signed, a29k_reloc,"IHIHALF", true, 0xffff0000,0xffff0000, false},
+ {R_IHCONST, 0, 3, 16, true, 0, complain_overflow_signed, a29k_reloc,"IHCONST", true, 0xffff0000,0xffff0000, false},
+ {R_BYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, a29k_reloc,"BYTE", true, 0x000000ff,0x000000ff, false},
+ {R_HWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, a29k_reloc,"HWORD", true, 0x0000ffff,0x0000ffff, false},
+ {R_WORD, 0, 2, 32, false, 0, complain_overflow_bitfield, a29k_reloc,"WORD", true, 0xffffffff,0xffffffff, false},
};
-#undef NA
#define BADMAG(x) A29KBADMAG(x)
ptr = *(relent->sym_ptr_ptr);
if (ptr
- && ptr->the_bfd == abfd
+ && bfd_asymbol_bfd(ptr) == abfd
&& ((ptr->flags & BSF_OLD_COMMON)== 0))
{
bfd_target a29kcoff_big_vec =
{
- "coff-a29k-big", /* 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 /* section flags */
- | SEC_LOAD | SEC_RELOC
- | SEC_READONLY ),
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 2, /* minimum section alignment */
- /* data */
- _do_getb64, _do_putb64, _do_getb32,
- _do_putb32, _do_getb16, _do_putb16,
- /* hdrs */
- _do_getb64, _do_putb64, _do_getb32,
- _do_putb32, _do_getb16, _do_putb16,
-
- {
+ "coff-a29k-big", /* 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 | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC /* section flags */
+ | SEC_LOAD | SEC_RELOC
+ | SEC_READONLY ),
+ '_', /* leading underscore */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ 2, /* minimum section alignment */
+ /* data */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16,
+ /* hdrs */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16,
+
+ {
- _bfd_dummy_target,
- coff_object_p,
- bfd_generic_archive_p,
- _bfd_dummy_target
- },
- {
- bfd_false,
- coff_mkobject,
- _bfd_generic_mkarchive,
- bfd_false
- },
- {
- bfd_false,
- coff_write_object_contents,
- _bfd_write_archive_contents,
- bfd_false
- },
-
- JUMP_TABLE(coff),
- COFF_SWAP_TABLE
+ _bfd_dummy_target,
+ coff_object_p,
+ bfd_generic_archive_p,
+ _bfd_dummy_target
+ },
+ {
+ bfd_false,
+ coff_mkobject,
+ _bfd_generic_mkarchive,
+ bfd_false
+ },
+ {
+ bfd_false,
+ coff_write_object_contents,
+ _bfd_write_archive_contents,
+ bfd_false
+ },
+
+ JUMP_TABLE(coff),
+ COFF_SWAP_TABLE
};
-
projects / binutils.git / blobdiff