3405 lines
76 KiB
C
3405 lines
76 KiB
C
/* BFD back-end for ieee-695 objects.
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Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
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Written by Steve Chamberlain of Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define KEEPMINUSPCININST 0
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/* IEEE 695 format is a stream of records, which we parse using a simple one-
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token (which is one byte in this lexicon) lookahead recursive decent
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parser. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "ieee.h"
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#include "libieee.h"
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#include "obstack.h"
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#define obstack_chunk_alloc malloc
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#define obstack_chunk_free free
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/* Functions for writing to ieee files in the strange way that the
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standard requires. */
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static void
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ieee_write_byte (abfd, byte)
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bfd *abfd;
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bfd_byte byte;
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{
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if (bfd_write ((PTR) & byte, 1, 1, abfd) != 1)
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abort ();
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}
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static void
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ieee_write_twobyte (abfd, twobyte)
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bfd *abfd;
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int twobyte;
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{
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bfd_byte b[2];
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b[1] = twobyte & 0xff;
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b[0] = twobyte >> 8;
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if (bfd_write ((PTR) & b[0], 1, 2, abfd) != 2)
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abort ();
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}
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static void
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ieee_write_2bytes (abfd, bytes)
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bfd *abfd;
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int bytes;
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{
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bfd_byte buffer[2];
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buffer[0] = bytes >> 8;
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buffer[1] = bytes & 0xff;
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if (bfd_write ((PTR) buffer, 1, 2, abfd) != 2)
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abort ();
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}
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static void
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ieee_write_int (abfd, value)
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bfd *abfd;
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bfd_vma value;
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{
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if (((unsigned) value) <= 127)
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{
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ieee_write_byte (abfd, (bfd_byte) value);
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}
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else
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{
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unsigned int length;
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/* How many significant bytes ? */
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/* FIXME FOR LONGER INTS */
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if (value & 0xff000000)
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{
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length = 4;
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}
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else if (value & 0x00ff0000)
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{
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length = 3;
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}
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else if (value & 0x0000ff00)
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{
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length = 2;
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}
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else
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length = 1;
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ieee_write_byte (abfd,
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(bfd_byte) ((int) ieee_number_repeat_start_enum + length));
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switch (length)
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{
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case 4:
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ieee_write_byte (abfd, (bfd_byte) (value >> 24));
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case 3:
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ieee_write_byte (abfd, (bfd_byte) (value >> 16));
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case 2:
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ieee_write_byte (abfd, (bfd_byte) (value >> 8));
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case 1:
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ieee_write_byte (abfd, (bfd_byte) (value));
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}
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}
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}
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static void
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ieee_write_id (abfd, id)
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bfd *abfd;
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CONST char *id;
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{
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size_t length = strlen (id);
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if (length <= 127)
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{
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ieee_write_byte (abfd, (bfd_byte) length);
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}
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else if (length < 255)
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{
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ieee_write_byte (abfd, ieee_extension_length_1_enum);
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ieee_write_byte (abfd, (bfd_byte) length);
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}
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else if (length < 65535)
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{
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ieee_write_byte (abfd, ieee_extension_length_2_enum);
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ieee_write_byte (abfd, (bfd_byte) (length >> 8));
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ieee_write_byte (abfd, (bfd_byte) (length & 0xff));
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}
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else
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{
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BFD_FAIL ();
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}
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if (bfd_write ((PTR) id, 1, length, abfd) != length)
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abort ();
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}
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/***************************************************************************
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Functions for reading from ieee files in the strange way that the
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standard requires:
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*/
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#define this_byte(ieee) *((ieee)->input_p)
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#define next_byte(ieee) ((ieee)->input_p++)
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#define this_byte_and_next(ieee) (*((ieee)->input_p++))
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static unsigned short
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read_2bytes (ieee)
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common_header_type *ieee;
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{
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unsigned char c1 = this_byte_and_next (ieee);
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unsigned char c2 = this_byte_and_next (ieee);
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return (c1 << 8) | c2;
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}
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static void
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bfd_get_string (ieee, string, length)
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common_header_type *ieee;
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char *string;
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size_t length;
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{
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size_t i;
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for (i = 0; i < length; i++)
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{
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string[i] = this_byte_and_next (ieee);
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}
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}
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static char *
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read_id (ieee)
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common_header_type *ieee;
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{
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size_t length;
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char *string;
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length = this_byte_and_next (ieee);
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if (length <= 0x7f)
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{
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/* Simple string of length 0 to 127 */
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}
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else if (length == 0xde)
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{
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/* Length is next byte, allowing 0..255 */
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length = this_byte_and_next (ieee);
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}
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else if (length == 0xdf)
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{
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/* Length is next two bytes, allowing 0..65535 */
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length = this_byte_and_next (ieee);
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length = (length * 256) + this_byte_and_next (ieee);
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}
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/* Buy memory and read string */
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string = bfd_alloc (ieee->abfd, length + 1);
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if (!string)
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return NULL;
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bfd_get_string (ieee, string, length);
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string[length] = 0;
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return string;
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}
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static void
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ieee_write_expression (abfd, value, symbol, pcrel, index)
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bfd *abfd;
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bfd_vma value;
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asymbol *symbol;
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boolean pcrel;
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unsigned int index;
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{
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unsigned int term_count = 0;
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if (value != 0)
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{
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ieee_write_int (abfd, value);
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term_count++;
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}
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if (bfd_is_com_section (symbol->section)
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|| bfd_is_und_section (symbol->section))
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{
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/* Def of a common symbol */
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ieee_write_byte (abfd, ieee_variable_X_enum);
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ieee_write_int (abfd, symbol->value);
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term_count++;
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}
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else if (! bfd_is_abs_section (symbol->section))
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{
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/* Ref to defined symbol - */
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ieee_write_byte (abfd, ieee_variable_R_enum);
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ieee_write_byte (abfd,
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(bfd_byte) (symbol->section->index + IEEE_SECTION_NUMBER_BASE));
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term_count++;
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if (symbol->flags & BSF_GLOBAL)
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{
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ieee_write_byte (abfd, ieee_variable_I_enum);
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ieee_write_int (abfd, symbol->value);
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term_count++;
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}
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else if (symbol->flags & (BSF_LOCAL | BSF_SECTION_SYM))
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{
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/* This is a reference to a defined local symbol,
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We can easily do a local as a section+offset */
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ieee_write_byte (abfd, ieee_variable_R_enum); /* or L */
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ieee_write_byte (abfd,
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(bfd_byte) (symbol->section->index + IEEE_SECTION_NUMBER_BASE));
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ieee_write_int (abfd, symbol->value);
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term_count++;
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}
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else
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{
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BFD_FAIL ();
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}
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}
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if (pcrel)
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{
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/* subtract the pc from here by asking for PC of this section*/
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ieee_write_byte (abfd, ieee_variable_P_enum);
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ieee_write_byte (abfd, (bfd_byte) (index + IEEE_SECTION_NUMBER_BASE));
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ieee_write_byte (abfd, ieee_function_minus_enum);
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}
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if (term_count == 1)
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{
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ieee_write_byte (abfd, 0);
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}
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else
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{
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while (term_count > 1)
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{
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ieee_write_byte (abfd, ieee_function_plus_enum);
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term_count--;
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}
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}
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}
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/*****************************************************************************/
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/*
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writes any integer into the buffer supplied and always takes 5 bytes
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*/
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static void
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ieee_write_int5 (buffer, value)
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bfd_byte *buffer;
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bfd_vma value;
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{
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buffer[0] = (bfd_byte) ieee_number_repeat_4_enum;
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buffer[1] = (value >> 24) & 0xff;
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buffer[2] = (value >> 16) & 0xff;
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buffer[3] = (value >> 8) & 0xff;
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buffer[4] = (value >> 0) & 0xff;
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}
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static void
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ieee_write_int5_out (abfd, value)
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bfd *abfd;
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bfd_vma value;
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{
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bfd_byte b[5];
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ieee_write_int5 (b, value);
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if (bfd_write ((PTR) b, 1, 5, abfd) != 5)
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abort ();
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}
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static boolean
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parse_int (ieee, value_ptr)
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common_header_type *ieee;
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bfd_vma *value_ptr;
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{
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int value = this_byte (ieee);
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int result;
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if (value >= 0 && value <= 127)
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{
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*value_ptr = value;
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next_byte (ieee);
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return true;
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}
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else if (value >= 0x80 && value <= 0x88)
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{
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unsigned int count = value & 0xf;
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result = 0;
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next_byte (ieee);
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while (count)
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{
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result = (result << 8) | this_byte_and_next (ieee);
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count--;
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}
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*value_ptr = result;
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return true;
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}
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return false;
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}
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static int
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parse_i (ieee, ok)
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common_header_type *ieee;
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boolean *ok;
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{
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bfd_vma x;
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*ok = parse_int (ieee, &x);
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return x;
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}
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static bfd_vma
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must_parse_int (ieee)
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common_header_type *ieee;
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{
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bfd_vma result;
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BFD_ASSERT (parse_int (ieee, &result) == true);
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return result;
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}
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typedef struct
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{
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bfd_vma value;
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asection *section;
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ieee_symbol_index_type symbol;
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} ieee_value_type;
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static
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reloc_howto_type abs32_howto
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= HOWTO (1, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "abs32", true, 0xffffffff, 0xffffffff, false);
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static
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reloc_howto_type abs16_howto
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= HOWTO (1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "abs16", true, 0x0000ffff, 0x0000ffff, false);
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static
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reloc_howto_type abs8_howto
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= HOWTO (1, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "abs8", true, 0x000000ff, 0x000000ff, false);
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static
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reloc_howto_type rel32_howto
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= HOWTO (1, 0, 2, 32, true, 0, complain_overflow_signed, 0, "rel32", true, 0xffffffff,
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0xffffffff, false);
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static
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reloc_howto_type rel16_howto
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= HOWTO (1, 0, 1, 16, true, 0, complain_overflow_signed, 0, "rel16", true, 0x0000ffff, 0x0000ffff, false);
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static
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reloc_howto_type rel8_howto
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= HOWTO (1, 0, 0, 8, true, 0, complain_overflow_signed, 0, "rel8", true, 0x000000ff, 0x000000ff, false);
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static ieee_symbol_index_type NOSYMBOL =
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{0, 0};
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||
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static void
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parse_expression (ieee, value, symbol, pcrel, extra, section)
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ieee_data_type *ieee;
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bfd_vma *value;
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ieee_symbol_index_type *symbol;
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boolean *pcrel;
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unsigned int *extra;
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asection **section;
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||
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{
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#define POS sp[1]
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#define TOS sp[0]
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#define NOS sp[-1]
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#define INC sp++;
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||
#define DEC sp--;
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boolean loop = true;
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ieee_value_type stack[10];
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||
/* The stack pointer always points to the next unused location */
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#define PUSH(x,y,z) TOS.symbol=x;TOS.section=y;TOS.value=z;INC;
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#define POP(x,y,z) DEC;x=TOS.symbol;y=TOS.section;z=TOS.value;
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ieee_value_type *sp = stack;
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||
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||
while (loop)
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||
{
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||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_variable_P_enum:
|
||
/* P variable, current program counter for section n */
|
||
{
|
||
int section_n;
|
||
next_byte (&(ieee->h));
|
||
*pcrel = true;
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||
section_n = must_parse_int (&(ieee->h));
|
||
PUSH (NOSYMBOL, bfd_abs_section_ptr,
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||
TOS.value = ieee->section_table[section_n]->vma +
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||
ieee_per_section (ieee->section_table[section_n])->pc);
|
||
break;
|
||
}
|
||
case ieee_variable_L_enum:
|
||
/* L variable address of section N */
|
||
next_byte (&(ieee->h));
|
||
PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
|
||
break;
|
||
case ieee_variable_R_enum:
|
||
/* R variable, logical address of section module */
|
||
/* FIXME, this should be different to L */
|
||
next_byte (&(ieee->h));
|
||
PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
|
||
break;
|
||
case ieee_variable_S_enum:
|
||
/* S variable, size in MAUS of section module */
|
||
next_byte (&(ieee->h));
|
||
PUSH (NOSYMBOL,
|
||
0,
|
||
ieee->section_table[must_parse_int (&(ieee->h))]->_raw_size);
|
||
break;
|
||
case ieee_variable_I_enum:
|
||
case ieee_variable_X_enum:
|
||
/* Push the address of external variable n */
|
||
{
|
||
ieee_symbol_index_type sy;
|
||
next_byte (&(ieee->h));
|
||
sy.index = (int) (must_parse_int (&(ieee->h)));
|
||
sy.letter = 'X';
|
||
|
||
PUSH (sy, bfd_und_section_ptr, 0);
|
||
}
|
||
break;
|
||
case ieee_function_minus_enum:
|
||
{
|
||
bfd_vma value1, value2;
|
||
asection *section1, *section_dummy;
|
||
ieee_symbol_index_type sy;
|
||
next_byte (&(ieee->h));
|
||
|
||
POP (sy, section1, value1);
|
||
POP (sy, section_dummy, value2);
|
||
PUSH (sy, section1 ? section1 : section_dummy, value1 - value2);
|
||
}
|
||
break;
|
||
case ieee_function_plus_enum:
|
||
{
|
||
bfd_vma value1, value2;
|
||
asection *section1;
|
||
asection *section2;
|
||
ieee_symbol_index_type sy1;
|
||
ieee_symbol_index_type sy2;
|
||
next_byte (&(ieee->h));
|
||
|
||
POP (sy1, section1, value1);
|
||
POP (sy2, section2, value2);
|
||
PUSH (sy1.letter ? sy1 : sy2,
|
||
bfd_is_abs_section (section1) ? section2 : section1,
|
||
value1 + value2);
|
||
}
|
||
break;
|
||
default:
|
||
{
|
||
bfd_vma va;
|
||
BFD_ASSERT (this_byte (&(ieee->h)) < (int) ieee_variable_A_enum
|
||
|| this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum);
|
||
if (parse_int (&(ieee->h), &va))
|
||
{
|
||
PUSH (NOSYMBOL, bfd_abs_section_ptr, va);
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Thats all that we can understand. As far as I can see
|
||
there is a bug in the Microtec IEEE output which I'm
|
||
using to scan, whereby the comma operator is omitted
|
||
sometimes in an expression, giving expressions with too
|
||
many terms. We can tell if that's the case by ensuring
|
||
that sp == stack here. If not, then we've pushed
|
||
something too far, so we keep adding. */
|
||
|
||
while (sp != stack + 1)
|
||
{
|
||
asection *section1;
|
||
ieee_symbol_index_type sy1;
|
||
POP (sy1, section1, *extra);
|
||
}
|
||
{
|
||
asection *dummy;
|
||
|
||
POP (*symbol, dummy, *value);
|
||
if (section)
|
||
*section = dummy;
|
||
}
|
||
|
||
loop = false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
#define ieee_seek(abfd, offset) \
|
||
IEEE_DATA(abfd)->h.input_p = IEEE_DATA(abfd)->h.first_byte + offset
|
||
|
||
#define ieee_pos(abfd) \
|
||
(IEEE_DATA(abfd)->h.input_p - IEEE_DATA(abfd)->h.first_byte)
|
||
|
||
static unsigned int last_index;
|
||
static char last_type; /* is the index for an X or a D */
|
||
|
||
static ieee_symbol_type *
|
||
get_symbol (abfd,
|
||
ieee,
|
||
last_symbol,
|
||
symbol_count,
|
||
pptr,
|
||
max_index,
|
||
this_type
|
||
)
|
||
bfd *abfd;
|
||
ieee_data_type *ieee;
|
||
ieee_symbol_type *last_symbol;
|
||
unsigned int *symbol_count;
|
||
ieee_symbol_type ***pptr;
|
||
unsigned int *max_index;
|
||
char this_type
|
||
;
|
||
{
|
||
/* Need a new symbol */
|
||
unsigned int new_index = must_parse_int (&(ieee->h));
|
||
if (new_index != last_index || this_type != last_type)
|
||
{
|
||
ieee_symbol_type *new_symbol = (ieee_symbol_type *) bfd_alloc (ieee->h.abfd,
|
||
sizeof (ieee_symbol_type));
|
||
if (!new_symbol)
|
||
return NULL;
|
||
|
||
new_symbol->index = new_index;
|
||
last_index = new_index;
|
||
(*symbol_count)++;
|
||
**pptr = new_symbol;
|
||
*pptr = &new_symbol->next;
|
||
if (new_index > *max_index)
|
||
{
|
||
*max_index = new_index;
|
||
}
|
||
last_type = this_type;
|
||
return new_symbol;
|
||
}
|
||
return last_symbol;
|
||
}
|
||
|
||
static boolean
|
||
ieee_slurp_external_symbols (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
file_ptr offset = ieee->w.r.external_part;
|
||
|
||
ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols;
|
||
ieee_symbol_type **prev_reference_ptr = &ieee->external_reference;
|
||
ieee_symbol_type *symbol = (ieee_symbol_type *) NULL;
|
||
unsigned int symbol_count = 0;
|
||
boolean loop = true;
|
||
last_index = 0xffffff;
|
||
ieee->symbol_table_full = true;
|
||
|
||
ieee_seek (abfd, offset);
|
||
|
||
while (loop)
|
||
{
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_nn_record:
|
||
next_byte (&(ieee->h));
|
||
|
||
symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
|
||
&prev_symbols_ptr,
|
||
&ieee->external_symbol_max_index, 'D');
|
||
if (symbol == NULL)
|
||
return false;
|
||
|
||
symbol->symbol.the_bfd = abfd;
|
||
symbol->symbol.name = read_id (&(ieee->h));
|
||
symbol->symbol.udata.p = (PTR) NULL;
|
||
symbol->symbol.flags = BSF_NO_FLAGS;
|
||
break;
|
||
case ieee_external_symbol_enum:
|
||
next_byte (&(ieee->h));
|
||
|
||
symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
|
||
&prev_symbols_ptr,
|
||
&ieee->external_symbol_max_index, 'D');
|
||
if (symbol == NULL)
|
||
return false;
|
||
|
||
BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index);
|
||
|
||
symbol->symbol.the_bfd = abfd;
|
||
symbol->symbol.name = read_id (&(ieee->h));
|
||
symbol->symbol.udata.p = (PTR) NULL;
|
||
symbol->symbol.flags = BSF_NO_FLAGS;
|
||
break;
|
||
case ieee_attribute_record_enum >> 8:
|
||
{
|
||
unsigned int symbol_name_index;
|
||
unsigned int symbol_type_index;
|
||
unsigned int symbol_attribute_def;
|
||
bfd_vma value;
|
||
next_byte (&(ieee->h)); /* Skip prefix */
|
||
next_byte (&(ieee->h));
|
||
symbol_name_index = must_parse_int (&(ieee->h));
|
||
symbol_type_index = must_parse_int (&(ieee->h));
|
||
symbol_attribute_def = must_parse_int (&(ieee->h));
|
||
switch (symbol_attribute_def)
|
||
{
|
||
case 63:
|
||
/* Module misc; followed by two fields which describe the
|
||
current module block. The first fired is the type id
|
||
number, the second is the number of asn records
|
||
associated with the directive */
|
||
parse_int (&(ieee->h), &value);
|
||
parse_int (&(ieee->h), &value);
|
||
break;
|
||
|
||
default:
|
||
parse_int (&(ieee->h), &value);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
case ieee_value_record_enum >> 8:
|
||
{
|
||
unsigned int symbol_name_index;
|
||
ieee_symbol_index_type symbol_ignore;
|
||
boolean pcrel_ignore;
|
||
unsigned int extra;
|
||
next_byte (&(ieee->h));
|
||
next_byte (&(ieee->h));
|
||
|
||
symbol_name_index = must_parse_int (&(ieee->h));
|
||
parse_expression (ieee,
|
||
&symbol->symbol.value,
|
||
&symbol_ignore,
|
||
&pcrel_ignore,
|
||
&extra,
|
||
&symbol->symbol.section);
|
||
|
||
symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
|
||
|
||
}
|
||
break;
|
||
case ieee_weak_external_reference_enum:
|
||
{
|
||
bfd_vma size;
|
||
bfd_vma value;
|
||
next_byte (&(ieee->h));
|
||
/* Throw away the external reference index */
|
||
(void) must_parse_int (&(ieee->h));
|
||
/* Fetch the default size if not resolved */
|
||
size = must_parse_int (&(ieee->h));
|
||
/* Fetch the defautlt value if available */
|
||
if (parse_int (&(ieee->h), &value) == false)
|
||
{
|
||
value = 0;
|
||
}
|
||
/* This turns into a common */
|
||
symbol->symbol.section = bfd_com_section_ptr;
|
||
symbol->symbol.value = size;
|
||
}
|
||
break;
|
||
|
||
case ieee_external_reference_enum:
|
||
next_byte (&(ieee->h));
|
||
|
||
symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
|
||
&prev_reference_ptr,
|
||
&ieee->external_reference_max_index, 'X');
|
||
if (symbol == NULL)
|
||
return false;
|
||
|
||
symbol->symbol.the_bfd = abfd;
|
||
symbol->symbol.name = read_id (&(ieee->h));
|
||
symbol->symbol.udata.p = (PTR) NULL;
|
||
symbol->symbol.section = bfd_und_section_ptr;
|
||
symbol->symbol.value = (bfd_vma) 0;
|
||
symbol->symbol.flags = 0;
|
||
|
||
BFD_ASSERT (symbol->index >= ieee->external_reference_min_index);
|
||
break;
|
||
|
||
default:
|
||
loop = false;
|
||
}
|
||
}
|
||
|
||
if (ieee->external_symbol_max_index != 0)
|
||
{
|
||
ieee->external_symbol_count =
|
||
ieee->external_symbol_max_index -
|
||
ieee->external_symbol_min_index + 1;
|
||
}
|
||
else
|
||
{
|
||
ieee->external_symbol_count = 0;
|
||
}
|
||
|
||
if (ieee->external_reference_max_index != 0)
|
||
{
|
||
ieee->external_reference_count =
|
||
ieee->external_reference_max_index -
|
||
ieee->external_reference_min_index + 1;
|
||
}
|
||
else
|
||
{
|
||
ieee->external_reference_count = 0;
|
||
}
|
||
|
||
abfd->symcount =
|
||
ieee->external_reference_count + ieee->external_symbol_count;
|
||
|
||
if (symbol_count != abfd->symcount)
|
||
{
|
||
/* There are gaps in the table -- */
|
||
ieee->symbol_table_full = false;
|
||
}
|
||
|
||
*prev_symbols_ptr = (ieee_symbol_type *) NULL;
|
||
*prev_reference_ptr = (ieee_symbol_type *) NULL;
|
||
|
||
return true;
|
||
}
|
||
|
||
static boolean
|
||
ieee_slurp_symbol_table (abfd)
|
||
bfd *abfd;
|
||
{
|
||
if (IEEE_DATA (abfd)->read_symbols == false)
|
||
{
|
||
if (! ieee_slurp_external_symbols (abfd))
|
||
return false;
|
||
IEEE_DATA (abfd)->read_symbols = true;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
long
|
||
ieee_get_symtab_upper_bound (abfd)
|
||
bfd *abfd;
|
||
{
|
||
if (! ieee_slurp_symbol_table (abfd))
|
||
return -1;
|
||
|
||
return (abfd->symcount != 0) ?
|
||
(abfd->symcount + 1) * (sizeof (ieee_symbol_type *)) : 0;
|
||
}
|
||
|
||
/*
|
||
Move from our internal lists to the canon table, and insert in
|
||
symbol index order
|
||
*/
|
||
|
||
extern const bfd_target ieee_vec;
|
||
|
||
long
|
||
ieee_get_symtab (abfd, location)
|
||
bfd *abfd;
|
||
asymbol **location;
|
||
{
|
||
ieee_symbol_type *symp;
|
||
static bfd dummy_bfd;
|
||
static asymbol empty_symbol =
|
||
/* the_bfd, name, value, attr, section */
|
||
{&dummy_bfd, " ieee empty", (symvalue) 0, BSF_DEBUGGING, bfd_abs_section_ptr};
|
||
|
||
if (abfd->symcount)
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
dummy_bfd.xvec = &ieee_vec;
|
||
if (! ieee_slurp_symbol_table (abfd))
|
||
return -1;
|
||
|
||
if (ieee->symbol_table_full == false)
|
||
{
|
||
/* Arrgh - there are gaps in the table, run through and fill them */
|
||
/* up with pointers to a null place */
|
||
unsigned int i;
|
||
for (i = 0; i < abfd->symcount; i++)
|
||
{
|
||
location[i] = &empty_symbol;
|
||
}
|
||
}
|
||
|
||
ieee->external_symbol_base_offset = -ieee->external_symbol_min_index;
|
||
for (symp = IEEE_DATA (abfd)->external_symbols;
|
||
symp != (ieee_symbol_type *) NULL;
|
||
symp = symp->next)
|
||
{
|
||
/* Place into table at correct index locations */
|
||
location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol;
|
||
}
|
||
|
||
/* The external refs are indexed in a bit */
|
||
ieee->external_reference_base_offset =
|
||
-ieee->external_reference_min_index + ieee->external_symbol_count;
|
||
|
||
for (symp = IEEE_DATA (abfd)->external_reference;
|
||
symp != (ieee_symbol_type *) NULL;
|
||
symp = symp->next)
|
||
{
|
||
location[symp->index + ieee->external_reference_base_offset] =
|
||
&symp->symbol;
|
||
|
||
}
|
||
}
|
||
if (abfd->symcount)
|
||
{
|
||
location[abfd->symcount] = (asymbol *) NULL;
|
||
}
|
||
return abfd->symcount;
|
||
}
|
||
|
||
static asection *
|
||
get_section_entry (abfd, ieee, index)
|
||
bfd *abfd;
|
||
ieee_data_type *ieee;
|
||
unsigned int index;
|
||
{
|
||
if (ieee->section_table[index] == (asection *) NULL)
|
||
{
|
||
char *tmp = bfd_alloc (abfd, 11);
|
||
asection *section;
|
||
|
||
if (!tmp)
|
||
return NULL;
|
||
sprintf (tmp, " fsec%4d", index);
|
||
section = bfd_make_section (abfd, tmp);
|
||
ieee->section_table[index] = section;
|
||
section->flags = SEC_NO_FLAGS;
|
||
section->target_index = index;
|
||
ieee->section_table[index] = section;
|
||
}
|
||
return ieee->section_table[index];
|
||
}
|
||
|
||
static void
|
||
ieee_slurp_sections (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
file_ptr offset = ieee->w.r.section_part;
|
||
asection *section = (asection *) NULL;
|
||
char *name;
|
||
|
||
if (offset != 0)
|
||
{
|
||
bfd_byte section_type[3];
|
||
ieee_seek (abfd, offset);
|
||
while (true)
|
||
{
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_section_type_enum:
|
||
{
|
||
unsigned int section_index;
|
||
next_byte (&(ieee->h));
|
||
section_index = must_parse_int (&(ieee->h));
|
||
/* Fixme to be nice about a silly number of sections */
|
||
BFD_ASSERT (section_index < NSECTIONS);
|
||
|
||
section = get_section_entry (abfd, ieee, section_index);
|
||
|
||
section_type[0] = this_byte_and_next (&(ieee->h));
|
||
switch (section_type[0])
|
||
{
|
||
case 0xC1:
|
||
/* Normal attributes for absolute sections */
|
||
section_type[1] = this_byte (&(ieee->h));
|
||
section->flags = SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS;
|
||
switch (section_type[1])
|
||
{
|
||
case 0xD3: /* AS Absolute section attributes */
|
||
next_byte (&(ieee->h));
|
||
section_type[2] = this_byte (&(ieee->h));
|
||
switch (section_type[2])
|
||
{
|
||
case 0xD0:
|
||
/* Normal code */
|
||
next_byte (&(ieee->h));
|
||
section->flags |= SEC_LOAD | SEC_CODE;
|
||
break;
|
||
case 0xC4:
|
||
next_byte (&(ieee->h));
|
||
section->flags |= SEC_LOAD | SEC_DATA;
|
||
/* Normal data */
|
||
break;
|
||
case 0xD2:
|
||
next_byte (&(ieee->h));
|
||
/* Normal rom data */
|
||
section->flags |= SEC_LOAD | SEC_ROM | SEC_DATA;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
case 0xC3: /* Named relocatable sections (type C) */
|
||
section_type[1] = this_byte (&(ieee->h));
|
||
section->flags = SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS;
|
||
switch (section_type[1])
|
||
{
|
||
case 0xD0: /* Normal code (CP) */
|
||
next_byte (&(ieee->h));
|
||
section->flags |= SEC_LOAD | SEC_CODE;
|
||
break;
|
||
case 0xC4: /* Normal data (CD) */
|
||
next_byte (&(ieee->h));
|
||
section->flags |= SEC_LOAD | SEC_DATA;
|
||
break;
|
||
case 0xD2: /* Normal rom data (CR) */
|
||
next_byte (&(ieee->h));
|
||
section->flags |= SEC_LOAD | SEC_ROM | SEC_DATA;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Read section name, use it if non empty. */
|
||
name = read_id (&ieee->h);
|
||
if (name[0])
|
||
section->name = name;
|
||
|
||
/* Skip these fields, which we don't care about */
|
||
{
|
||
bfd_vma parent, brother, context;
|
||
parse_int (&(ieee->h), &parent);
|
||
parse_int (&(ieee->h), &brother);
|
||
parse_int (&(ieee->h), &context);
|
||
}
|
||
}
|
||
break;
|
||
case ieee_section_alignment_enum:
|
||
{
|
||
unsigned int section_index;
|
||
bfd_vma value;
|
||
asection *section;
|
||
next_byte (&(ieee->h));
|
||
section_index = must_parse_int (&ieee->h);
|
||
section = get_section_entry (abfd, ieee, section_index);
|
||
if (section_index > ieee->section_count)
|
||
{
|
||
ieee->section_count = section_index;
|
||
}
|
||
section->alignment_power =
|
||
bfd_log2 (must_parse_int (&ieee->h));
|
||
(void) parse_int (&(ieee->h), &value);
|
||
}
|
||
break;
|
||
case ieee_e2_first_byte_enum:
|
||
{
|
||
ieee_record_enum_type t = (ieee_record_enum_type) (read_2bytes (&(ieee->h)));
|
||
|
||
switch (t)
|
||
{
|
||
case ieee_section_size_enum:
|
||
section = ieee->section_table[must_parse_int (&(ieee->h))];
|
||
section->_raw_size = must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_physical_region_size_enum:
|
||
section = ieee->section_table[must_parse_int (&(ieee->h))];
|
||
section->_raw_size = must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_region_base_address_enum:
|
||
section = ieee->section_table[must_parse_int (&(ieee->h))];
|
||
section->vma = must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_mau_size_enum:
|
||
must_parse_int (&(ieee->h));
|
||
must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_m_value_enum:
|
||
must_parse_int (&(ieee->h));
|
||
must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_section_base_address_enum:
|
||
section = ieee->section_table[must_parse_int (&(ieee->h))];
|
||
section->vma = must_parse_int (&(ieee->h));
|
||
break;
|
||
case ieee_section_offset_enum:
|
||
(void) must_parse_int (&(ieee->h));
|
||
(void) must_parse_int (&(ieee->h));
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
}
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/***********************************************************************
|
||
* archive stuff
|
||
*/
|
||
|
||
const bfd_target *
|
||
ieee_archive_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
char *library;
|
||
boolean loop;
|
||
|
||
unsigned int i;
|
||
unsigned char buffer[512];
|
||
struct obstack ob;
|
||
file_ptr buffer_offset = 0;
|
||
ieee_ar_data_type *save = abfd->tdata.ieee_ar_data;
|
||
ieee_ar_data_type *ieee;
|
||
abfd->tdata.ieee_ar_data = (ieee_ar_data_type *) bfd_alloc (abfd, sizeof (ieee_ar_data_type));
|
||
if (!abfd->tdata.ieee_ar_data)
|
||
return NULL;
|
||
ieee = IEEE_AR_DATA (abfd);
|
||
|
||
/* FIXME: Check return value. I'm not sure whether it needs to read
|
||
the entire buffer or not. */
|
||
bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
|
||
|
||
ieee->h.first_byte = buffer;
|
||
ieee->h.input_p = buffer;
|
||
|
||
ieee->h.abfd = abfd;
|
||
|
||
if (this_byte (&(ieee->h)) != Module_Beginning)
|
||
{
|
||
abfd->tdata.ieee_ar_data = save;
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
|
||
next_byte (&(ieee->h));
|
||
library = read_id (&(ieee->h));
|
||
if (strcmp (library, "LIBRARY") != 0)
|
||
{
|
||
bfd_release (abfd, ieee);
|
||
abfd->tdata.ieee_ar_data = save;
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
/* Throw away the filename */
|
||
read_id (&(ieee->h));
|
||
/* This must be an IEEE archive, so we'll buy some space to do
|
||
things */
|
||
|
||
if (!obstack_begin (&ob, 128))
|
||
{
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
|
||
ieee->element_count = 0;
|
||
ieee->element_index = 0;
|
||
|
||
next_byte (&(ieee->h)); /* Drop the ad part */
|
||
must_parse_int (&(ieee->h)); /* And the two dummy numbers */
|
||
must_parse_int (&(ieee->h));
|
||
|
||
loop = true;
|
||
/* Read the index of the BB table */
|
||
while (loop)
|
||
{
|
||
ieee_ar_obstack_type t;
|
||
int rec = read_2bytes (&(ieee->h));
|
||
if (rec == (int) ieee_assign_value_to_variable_enum)
|
||
{
|
||
must_parse_int (&(ieee->h));
|
||
t.file_offset = must_parse_int (&(ieee->h));
|
||
t.abfd = (bfd *) NULL;
|
||
ieee->element_count++;
|
||
|
||
obstack_grow (&ob, (PTR) & t, sizeof (t));
|
||
|
||
/* Make sure that we don't go over the end of the buffer */
|
||
|
||
if ((size_t) ieee_pos (abfd) > sizeof (buffer) / 2)
|
||
{
|
||
/* Past half way, reseek and reprime */
|
||
buffer_offset += ieee_pos (abfd);
|
||
if (bfd_seek (abfd, buffer_offset, SEEK_SET) != 0)
|
||
return NULL;
|
||
/* FIXME: Check return value. I'm not sure whether it
|
||
needs to read the entire buffer or not. */
|
||
bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
|
||
ieee->h.first_byte = buffer;
|
||
ieee->h.input_p = buffer;
|
||
}
|
||
}
|
||
else
|
||
loop = false;
|
||
}
|
||
|
||
ieee->elements = (ieee_ar_obstack_type *) obstack_finish (&ob);
|
||
if (!ieee->elements)
|
||
{
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
|
||
/* Now scan the area again, and replace BB offsets with file */
|
||
/* offsets */
|
||
|
||
for (i = 2; i < ieee->element_count; i++)
|
||
{
|
||
if (bfd_seek (abfd, ieee->elements[i].file_offset, SEEK_SET) != 0)
|
||
return NULL;
|
||
/* FIXME: Check return value. I'm not sure whether it needs to
|
||
read the entire buffer or not. */
|
||
bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
|
||
ieee->h.first_byte = buffer;
|
||
ieee->h.input_p = buffer;
|
||
|
||
next_byte (&(ieee->h)); /* Drop F8 */
|
||
next_byte (&(ieee->h)); /* Drop 14 */
|
||
must_parse_int (&(ieee->h)); /* Drop size of block */
|
||
if (must_parse_int (&(ieee->h)) != 0)
|
||
{
|
||
/* This object has been deleted */
|
||
ieee->elements[i].file_offset = 0;
|
||
}
|
||
else
|
||
{
|
||
ieee->elements[i].file_offset = must_parse_int (&(ieee->h));
|
||
}
|
||
}
|
||
|
||
/* abfd->has_armap = ;*/
|
||
return abfd->xvec;
|
||
}
|
||
|
||
static boolean
|
||
ieee_mkobject (abfd)
|
||
bfd *abfd;
|
||
{
|
||
abfd->tdata.ieee_data = (ieee_data_type *) bfd_zalloc (abfd, sizeof (ieee_data_type));
|
||
return abfd->tdata.ieee_data ? true : false;
|
||
}
|
||
|
||
const bfd_target *
|
||
ieee_object_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
char *processor;
|
||
unsigned int part;
|
||
ieee_data_type *ieee;
|
||
unsigned char buffer[300];
|
||
ieee_data_type *save = IEEE_DATA (abfd);
|
||
|
||
abfd->tdata.ieee_data = 0;
|
||
ieee_mkobject (abfd);
|
||
|
||
ieee = IEEE_DATA (abfd);
|
||
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
||
goto fail;
|
||
/* Read the first few bytes in to see if it makes sense */
|
||
/* FIXME: Check return value. I'm not sure whether it needs to read
|
||
the entire buffer or not. */
|
||
bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
|
||
|
||
ieee->h.input_p = buffer;
|
||
if (this_byte_and_next (&(ieee->h)) != Module_Beginning)
|
||
goto got_wrong_format;
|
||
|
||
ieee->read_symbols = false;
|
||
ieee->read_data = false;
|
||
ieee->section_count = 0;
|
||
ieee->external_symbol_max_index = 0;
|
||
ieee->external_symbol_min_index = IEEE_PUBLIC_BASE;
|
||
ieee->external_reference_min_index = IEEE_REFERENCE_BASE;
|
||
ieee->external_reference_max_index = 0;
|
||
ieee->h.abfd = abfd;
|
||
memset ((PTR) ieee->section_table, 0, sizeof (ieee->section_table));
|
||
|
||
processor = ieee->mb.processor = read_id (&(ieee->h));
|
||
if (strcmp (processor, "LIBRARY") == 0)
|
||
goto got_wrong_format;
|
||
ieee->mb.module_name = read_id (&(ieee->h));
|
||
if (abfd->filename == (CONST char *) NULL)
|
||
{
|
||
abfd->filename = ieee->mb.module_name;
|
||
}
|
||
/* Determine the architecture and machine type of the object file.
|
||
*/
|
||
{
|
||
const bfd_arch_info_type *arch = bfd_scan_arch (processor);
|
||
if (arch == 0)
|
||
goto got_wrong_format;
|
||
abfd->arch_info = arch;
|
||
}
|
||
|
||
if (this_byte (&(ieee->h)) != (int) ieee_address_descriptor_enum)
|
||
{
|
||
goto fail;
|
||
}
|
||
next_byte (&(ieee->h));
|
||
|
||
if (parse_int (&(ieee->h), &ieee->ad.number_of_bits_mau) == false)
|
||
{
|
||
goto fail;
|
||
}
|
||
if (parse_int (&(ieee->h), &ieee->ad.number_of_maus_in_address) == false)
|
||
{
|
||
goto fail;
|
||
}
|
||
|
||
/* If there is a byte order info, take it */
|
||
if (this_byte (&(ieee->h)) == (int) ieee_variable_L_enum ||
|
||
this_byte (&(ieee->h)) == (int) ieee_variable_M_enum)
|
||
next_byte (&(ieee->h));
|
||
|
||
for (part = 0; part < N_W_VARIABLES; part++)
|
||
{
|
||
boolean ok;
|
||
if (read_2bytes (&(ieee->h)) != (int) ieee_assign_value_to_variable_enum)
|
||
{
|
||
goto fail;
|
||
}
|
||
if (this_byte_and_next (&(ieee->h)) != part)
|
||
{
|
||
goto fail;
|
||
}
|
||
|
||
ieee->w.offset[part] = parse_i (&(ieee->h), &ok);
|
||
if (ok == false)
|
||
{
|
||
goto fail;
|
||
}
|
||
|
||
}
|
||
abfd->flags = HAS_SYMS;
|
||
/* By now we know that this is a real IEEE file, we're going to read
|
||
the whole thing into memory so that we can run up and down it
|
||
quickly. We can work out how big the file is from the trailer
|
||
record */
|
||
|
||
IEEE_DATA (abfd)->h.first_byte = (unsigned char *) bfd_alloc (ieee->h.abfd, ieee->w.r.me_record
|
||
+ 50);
|
||
if (!IEEE_DATA (abfd)->h.first_byte)
|
||
goto fail;
|
||
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
||
goto fail;
|
||
/* FIXME: Check return value. I'm not sure whether it needs to read
|
||
the entire buffer or not. */
|
||
bfd_read ((PTR) (IEEE_DATA (abfd)->h.first_byte), 1, ieee->w.r.me_record + 50, abfd);
|
||
|
||
ieee_slurp_sections (abfd);
|
||
return abfd->xvec;
|
||
got_wrong_format:
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
fail:
|
||
(void) bfd_release (abfd, ieee);
|
||
abfd->tdata.ieee_data = save;
|
||
return (const bfd_target *) NULL;
|
||
}
|
||
|
||
void
|
||
ieee_get_symbol_info (ignore_abfd, symbol, ret)
|
||
bfd *ignore_abfd;
|
||
asymbol *symbol;
|
||
symbol_info *ret;
|
||
{
|
||
bfd_symbol_info (symbol, ret);
|
||
if (symbol->name[0] == ' ')
|
||
ret->name = "* empty table entry ";
|
||
if (!symbol->section)
|
||
ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
|
||
}
|
||
|
||
void
|
||
ieee_print_symbol (ignore_abfd, afile, symbol, how)
|
||
bfd *ignore_abfd;
|
||
PTR afile;
|
||
asymbol *symbol;
|
||
bfd_print_symbol_type how;
|
||
{
|
||
FILE *file = (FILE *) afile;
|
||
|
||
switch (how)
|
||
{
|
||
case bfd_print_symbol_name:
|
||
fprintf (file, "%s", symbol->name);
|
||
break;
|
||
case bfd_print_symbol_more:
|
||
#if 0
|
||
fprintf (file, "%4x %2x", aout_symbol (symbol)->desc & 0xffff,
|
||
aout_symbol (symbol)->other & 0xff);
|
||
#endif
|
||
BFD_FAIL ();
|
||
break;
|
||
case bfd_print_symbol_all:
|
||
{
|
||
CONST char *section_name = symbol->section == (asection *) NULL ?
|
||
(CONST char *) "*abs" : symbol->section->name;
|
||
if (symbol->name[0] == ' ')
|
||
{
|
||
fprintf (file, "* empty table entry ");
|
||
}
|
||
else
|
||
{
|
||
bfd_print_symbol_vandf ((PTR) file, symbol);
|
||
|
||
fprintf (file, " %-5s %04x %02x %s",
|
||
section_name,
|
||
(unsigned) ieee_symbol (symbol)->index,
|
||
(unsigned) 0, /*
|
||
aout_symbol(symbol)->desc & 0xffff,
|
||
aout_symbol(symbol)->other & 0xff,*/
|
||
symbol->name);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
static boolean
|
||
do_one (ieee, current_map, location_ptr, s)
|
||
ieee_data_type *ieee;
|
||
ieee_per_section_type *current_map;
|
||
unsigned char *location_ptr;
|
||
asection *s;
|
||
{
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_load_constant_bytes_enum:
|
||
{
|
||
unsigned int number_of_maus;
|
||
unsigned int i;
|
||
next_byte (&(ieee->h));
|
||
number_of_maus = must_parse_int (&(ieee->h));
|
||
|
||
for (i = 0; i < number_of_maus; i++)
|
||
{
|
||
location_ptr[current_map->pc++] = this_byte (&(ieee->h));
|
||
next_byte (&(ieee->h));
|
||
}
|
||
}
|
||
break;
|
||
|
||
case ieee_load_with_relocation_enum:
|
||
{
|
||
boolean loop = true;
|
||
next_byte (&(ieee->h));
|
||
while (loop)
|
||
{
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_variable_R_enum:
|
||
|
||
case ieee_function_signed_open_b_enum:
|
||
case ieee_function_unsigned_open_b_enum:
|
||
case ieee_function_either_open_b_enum:
|
||
{
|
||
unsigned int extra = 4;
|
||
boolean pcrel = false;
|
||
asection *section;
|
||
ieee_reloc_type *r =
|
||
(ieee_reloc_type *) bfd_alloc (ieee->h.abfd,
|
||
sizeof (ieee_reloc_type));
|
||
if (!r)
|
||
return false;
|
||
|
||
*(current_map->reloc_tail_ptr) = r;
|
||
current_map->reloc_tail_ptr = &r->next;
|
||
r->next = (ieee_reloc_type *) NULL;
|
||
next_byte (&(ieee->h));
|
||
/* abort();*/
|
||
r->relent.sym_ptr_ptr = 0;
|
||
parse_expression (ieee,
|
||
&r->relent.addend,
|
||
&r->symbol,
|
||
&pcrel, &extra, §ion);
|
||
r->relent.address = current_map->pc;
|
||
s->reloc_count++;
|
||
if (r->relent.sym_ptr_ptr == 0)
|
||
{
|
||
r->relent.sym_ptr_ptr = section->symbol_ptr_ptr;
|
||
}
|
||
|
||
if (this_byte (&(ieee->h)) == (int) ieee_comma)
|
||
{
|
||
next_byte (&(ieee->h));
|
||
/* Fetch number of bytes to pad */
|
||
extra = must_parse_int (&(ieee->h));
|
||
};
|
||
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_function_signed_close_b_enum:
|
||
next_byte (&(ieee->h));
|
||
break;
|
||
case ieee_function_unsigned_close_b_enum:
|
||
next_byte (&(ieee->h));
|
||
break;
|
||
case ieee_function_either_close_b_enum:
|
||
next_byte (&(ieee->h));
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
/* Build a relocation entry for this type */
|
||
/* If pc rel then stick -ve pc into instruction
|
||
and take out of reloc ..
|
||
|
||
I've changed this. It's all too
|
||
complicated. I keep 0 in the
|
||
instruction now.
|
||
*/
|
||
|
||
switch (extra)
|
||
{
|
||
case 0:
|
||
case 4:
|
||
|
||
if (pcrel == true)
|
||
{
|
||
#if KEEPMINUSPCININST
|
||
bfd_put_32 (ieee->h.abfd, -current_map->pc, location_ptr +
|
||
current_map->pc);
|
||
r->relent.howto = &rel32_howto;
|
||
r->relent.addend -=
|
||
current_map->pc;
|
||
#else
|
||
bfd_put_32 (ieee->h.abfd, 0, location_ptr +
|
||
current_map->pc);
|
||
r->relent.howto = &rel32_howto;
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
bfd_put_32 (ieee->h.abfd, 0, location_ptr +
|
||
current_map->pc);
|
||
r->relent.howto = &abs32_howto;
|
||
}
|
||
current_map->pc += 4;
|
||
break;
|
||
case 2:
|
||
if (pcrel == true)
|
||
{
|
||
#if KEEPMINUSPCININST
|
||
bfd_put_16 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
|
||
r->relent.addend -= current_map->pc;
|
||
r->relent.howto = &rel16_howto;
|
||
#else
|
||
|
||
bfd_put_16 (ieee->h.abfd, 0, location_ptr + current_map->pc);
|
||
r->relent.howto = &rel16_howto;
|
||
#endif
|
||
}
|
||
|
||
else
|
||
{
|
||
bfd_put_16 (ieee->h.abfd, 0, location_ptr + current_map->pc);
|
||
r->relent.howto = &abs16_howto;
|
||
}
|
||
current_map->pc += 2;
|
||
break;
|
||
case 1:
|
||
if (pcrel == true)
|
||
{
|
||
#if KEEPMINUSPCININST
|
||
bfd_put_8 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
|
||
r->relent.addend -= current_map->pc;
|
||
r->relent.howto = &rel8_howto;
|
||
#else
|
||
bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
|
||
r->relent.howto = &rel8_howto;
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
|
||
r->relent.howto = &abs8_howto;
|
||
}
|
||
current_map->pc += 1;
|
||
break;
|
||
|
||
default:
|
||
BFD_FAIL ();
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
default:
|
||
{
|
||
bfd_vma this_size;
|
||
if (parse_int (&(ieee->h), &this_size) == true)
|
||
{
|
||
unsigned int i;
|
||
for (i = 0; i < this_size; i++)
|
||
{
|
||
location_ptr[current_map->pc++] = this_byte (&(ieee->h));
|
||
next_byte (&(ieee->h));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
loop = false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/* Read in all the section data and relocation stuff too */
|
||
static boolean
|
||
ieee_slurp_section_data (abfd)
|
||
bfd *abfd;
|
||
{
|
||
bfd_byte *location_ptr = (bfd_byte *) NULL;
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
unsigned int section_number;
|
||
|
||
ieee_per_section_type *current_map = (ieee_per_section_type *) NULL;
|
||
asection *s;
|
||
/* Seek to the start of the data area */
|
||
if (ieee->read_data == true)
|
||
return true;
|
||
ieee->read_data = true;
|
||
ieee_seek (abfd, ieee->w.r.data_part);
|
||
|
||
/* Allocate enough space for all the section contents */
|
||
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
ieee_per_section_type *per = (ieee_per_section_type *) s->used_by_bfd;
|
||
per->data = (bfd_byte *) bfd_alloc (ieee->h.abfd, s->_raw_size);
|
||
if (!per->data)
|
||
return false;
|
||
/*SUPPRESS 68*/
|
||
per->reloc_tail_ptr =
|
||
(ieee_reloc_type **) & (s->relocation);
|
||
}
|
||
|
||
while (true)
|
||
{
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
/* IF we see anything strange then quit */
|
||
default:
|
||
return true;
|
||
|
||
case ieee_set_current_section_enum:
|
||
next_byte (&(ieee->h));
|
||
section_number = must_parse_int (&(ieee->h));
|
||
s = ieee->section_table[section_number];
|
||
current_map = (ieee_per_section_type *) s->used_by_bfd;
|
||
location_ptr = current_map->data - s->vma;
|
||
/* The document I have says that Microtec's compilers reset */
|
||
/* this after a sec section, even though the standard says not */
|
||
/* to. SO .. */
|
||
current_map->pc = s->vma;
|
||
break;
|
||
|
||
case ieee_e2_first_byte_enum:
|
||
next_byte (&(ieee->h));
|
||
switch (this_byte (&(ieee->h)))
|
||
{
|
||
case ieee_set_current_pc_enum & 0xff:
|
||
{
|
||
bfd_vma value;
|
||
ieee_symbol_index_type symbol;
|
||
unsigned int extra;
|
||
boolean pcrel;
|
||
next_byte (&(ieee->h));
|
||
must_parse_int (&(ieee->h)); /* Thow away section #*/
|
||
parse_expression (ieee, &value,
|
||
&symbol,
|
||
&pcrel, &extra,
|
||
0);
|
||
current_map->pc = value;
|
||
BFD_ASSERT ((unsigned) (value - s->vma) <= s->_raw_size);
|
||
}
|
||
break;
|
||
|
||
case ieee_value_starting_address_enum & 0xff:
|
||
/* We've got to the end of the data now - */
|
||
return true;
|
||
default:
|
||
BFD_FAIL ();
|
||
return true;
|
||
}
|
||
break;
|
||
case ieee_repeat_data_enum:
|
||
{
|
||
/* Repeat the following LD or LR n times - we do this by
|
||
remembering the stream pointer before running it and
|
||
resetting it and running it n times. We special case
|
||
the repetition of a repeat_data/load_constant
|
||
*/
|
||
|
||
unsigned int iterations;
|
||
unsigned char *start;
|
||
next_byte (&(ieee->h));
|
||
iterations = must_parse_int (&(ieee->h));
|
||
start = ieee->h.input_p;
|
||
if (start[0] == (int) ieee_load_constant_bytes_enum &&
|
||
start[1] == 1)
|
||
{
|
||
while (iterations != 0)
|
||
{
|
||
location_ptr[current_map->pc++] = start[2];
|
||
iterations--;
|
||
}
|
||
next_byte (&(ieee->h));
|
||
next_byte (&(ieee->h));
|
||
next_byte (&(ieee->h));
|
||
}
|
||
else
|
||
{
|
||
while (iterations != 0)
|
||
{
|
||
ieee->h.input_p = start;
|
||
if (!do_one (ieee, current_map, location_ptr, s))
|
||
return false;
|
||
iterations--;
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
case ieee_load_constant_bytes_enum:
|
||
case ieee_load_with_relocation_enum:
|
||
{
|
||
if (!do_one (ieee, current_map, location_ptr, s))
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
boolean
|
||
ieee_new_section_hook (abfd, newsect)
|
||
bfd *abfd;
|
||
asection *newsect;
|
||
{
|
||
newsect->used_by_bfd = (PTR)
|
||
bfd_alloc (abfd, sizeof (ieee_per_section_type));
|
||
if (!newsect->used_by_bfd)
|
||
return false;
|
||
ieee_per_section (newsect)->data = (bfd_byte *) NULL;
|
||
ieee_per_section (newsect)->section = newsect;
|
||
return true;
|
||
}
|
||
|
||
long
|
||
ieee_get_reloc_upper_bound (abfd, asect)
|
||
bfd *abfd;
|
||
sec_ptr asect;
|
||
{
|
||
if (! ieee_slurp_section_data (abfd))
|
||
return -1;
|
||
return (asect->reloc_count + 1) * sizeof (arelent *);
|
||
}
|
||
|
||
static boolean
|
||
ieee_get_section_contents (abfd, section, location, offset, count)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
PTR location;
|
||
file_ptr offset;
|
||
bfd_size_type count;
|
||
{
|
||
ieee_per_section_type *p = (ieee_per_section_type *) section->used_by_bfd;
|
||
ieee_slurp_section_data (abfd);
|
||
(void) memcpy ((PTR) location, (PTR) (p->data + offset), (unsigned) count);
|
||
return true;
|
||
}
|
||
|
||
long
|
||
ieee_canonicalize_reloc (abfd, section, relptr, symbols)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
arelent **relptr;
|
||
asymbol **symbols;
|
||
{
|
||
/* ieee_per_section_type *p = (ieee_per_section_type *) section->used_by_bfd;*/
|
||
ieee_reloc_type *src = (ieee_reloc_type *) (section->relocation);
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
|
||
while (src != (ieee_reloc_type *) NULL)
|
||
{
|
||
/* Work out which symbol to attach it this reloc to */
|
||
switch (src->symbol.letter)
|
||
{
|
||
case 'X':
|
||
src->relent.sym_ptr_ptr =
|
||
symbols + src->symbol.index + ieee->external_reference_base_offset;
|
||
break;
|
||
case 0:
|
||
src->relent.sym_ptr_ptr =
|
||
src->relent.sym_ptr_ptr[0]->section->symbol_ptr_ptr;
|
||
break;
|
||
default:
|
||
|
||
BFD_FAIL ();
|
||
}
|
||
*relptr++ = &src->relent;
|
||
src = src->next;
|
||
}
|
||
*relptr = (arelent *) NULL;
|
||
return section->reloc_count;
|
||
}
|
||
|
||
static int
|
||
comp (ap, bp)
|
||
CONST PTR ap;
|
||
CONST PTR bp;
|
||
{
|
||
arelent *a = *((arelent **) ap);
|
||
arelent *b = *((arelent **) bp);
|
||
return a->address - b->address;
|
||
}
|
||
|
||
/*
|
||
Write the section headers
|
||
*/
|
||
|
||
static void
|
||
ieee_write_section_part (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
asection *s;
|
||
ieee->w.r.section_part = bfd_tell (abfd);
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
if (! bfd_is_abs_section (s))
|
||
{
|
||
ieee_write_byte (abfd, ieee_section_type_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
|
||
if (abfd->flags & EXEC_P)
|
||
{
|
||
/* This image is executable, so output absolute sections */
|
||
ieee_write_byte (abfd, ieee_variable_A_enum);
|
||
ieee_write_byte (abfd, ieee_variable_S_enum);
|
||
}
|
||
else
|
||
{
|
||
ieee_write_byte (abfd, ieee_variable_C_enum);
|
||
}
|
||
|
||
switch (s->flags & (SEC_CODE | SEC_DATA | SEC_ROM))
|
||
{
|
||
case SEC_CODE | SEC_LOAD:
|
||
case SEC_CODE:
|
||
ieee_write_byte (abfd, ieee_variable_P_enum);
|
||
break;
|
||
case SEC_DATA:
|
||
default:
|
||
ieee_write_byte (abfd, ieee_variable_D_enum);
|
||
break;
|
||
case SEC_ROM:
|
||
case SEC_ROM | SEC_DATA:
|
||
case SEC_ROM | SEC_LOAD:
|
||
case SEC_ROM | SEC_DATA | SEC_LOAD:
|
||
|
||
ieee_write_byte (abfd, ieee_variable_R_enum);
|
||
}
|
||
|
||
|
||
ieee_write_id (abfd, s->name);
|
||
#if 0
|
||
ieee_write_int (abfd, 0); /* Parent */
|
||
ieee_write_int (abfd, 0); /* Brother */
|
||
ieee_write_int (abfd, 0); /* Context */
|
||
#endif
|
||
/* Alignment */
|
||
ieee_write_byte (abfd, ieee_section_alignment_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_int (abfd, 1 << s->alignment_power);
|
||
|
||
/* Size */
|
||
ieee_write_2bytes (abfd, ieee_section_size_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_int (abfd, s->_raw_size);
|
||
if (abfd->flags & EXEC_P)
|
||
{
|
||
/* Relocateable sections don't have asl records */
|
||
/* Vma */
|
||
ieee_write_2bytes (abfd, ieee_section_base_address_enum);
|
||
ieee_write_byte (abfd,
|
||
(bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_int (abfd, s->vma);
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
|
||
static boolean
|
||
do_with_relocs (abfd, s)
|
||
bfd *abfd;
|
||
asection *s;
|
||
{
|
||
unsigned int relocs_to_go = s->reloc_count;
|
||
|
||
bfd_byte *stream = ieee_per_section (s)->data;
|
||
arelent **p = s->orelocation;
|
||
|
||
bfd_size_type current_byte_index = 0;
|
||
|
||
qsort (s->orelocation,
|
||
relocs_to_go,
|
||
sizeof (arelent **),
|
||
comp);
|
||
|
||
/* Output the section preheader */
|
||
ieee_write_byte (abfd, ieee_set_current_section_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
|
||
ieee_write_twobyte (abfd, ieee_set_current_pc_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_expression (abfd, 0, s->symbol, 0, 0);
|
||
|
||
if (relocs_to_go == 0)
|
||
{
|
||
/* If there arn't any relocations then output the load constant byte
|
||
opcode rather than the load with relocation opcode */
|
||
|
||
while (current_byte_index < s->_raw_size)
|
||
{
|
||
bfd_size_type run;
|
||
unsigned int MAXRUN = 32;
|
||
run = MAXRUN;
|
||
if (run > s->_raw_size - current_byte_index)
|
||
{
|
||
run = s->_raw_size - current_byte_index;
|
||
}
|
||
|
||
if (run != 0)
|
||
{
|
||
ieee_write_byte (abfd, ieee_load_constant_bytes_enum);
|
||
/* Output a stream of bytes */
|
||
ieee_write_int (abfd, run);
|
||
if (bfd_write ((PTR) (stream + current_byte_index),
|
||
1,
|
||
run,
|
||
abfd)
|
||
!= run)
|
||
return false;
|
||
current_byte_index += run;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ieee_write_byte (abfd, ieee_load_with_relocation_enum);
|
||
|
||
|
||
/* Output the data stream as the longest sequence of bytes
|
||
possible, allowing for the a reasonable packet size and
|
||
relocation stuffs */
|
||
|
||
if ((PTR) stream == (PTR) NULL)
|
||
{
|
||
/* Outputting a section without data, fill it up */
|
||
stream = (unsigned char *) (bfd_alloc (abfd, s->_raw_size));
|
||
if (!stream)
|
||
return false;
|
||
memset ((PTR) stream, 0, (size_t) s->_raw_size);
|
||
}
|
||
while (current_byte_index < s->_raw_size)
|
||
{
|
||
bfd_size_type run;
|
||
unsigned int MAXRUN = 32;
|
||
if (relocs_to_go)
|
||
{
|
||
run = (*p)->address - current_byte_index;
|
||
}
|
||
else
|
||
{
|
||
run = MAXRUN;
|
||
}
|
||
if (run > s->_raw_size - current_byte_index)
|
||
{
|
||
run = s->_raw_size - current_byte_index;
|
||
}
|
||
|
||
if (run != 0)
|
||
{
|
||
/* Output a stream of bytes */
|
||
ieee_write_int (abfd, run);
|
||
if (bfd_write ((PTR) (stream + current_byte_index),
|
||
1,
|
||
run,
|
||
abfd)
|
||
!= run)
|
||
return false;
|
||
current_byte_index += run;
|
||
}
|
||
/* Output any relocations here */
|
||
if (relocs_to_go && (*p) && (*p)->address == current_byte_index)
|
||
{
|
||
while (relocs_to_go && (*p) && (*p)->address == current_byte_index)
|
||
{
|
||
|
||
arelent *r = *p;
|
||
bfd_vma ov;
|
||
|
||
#if 0
|
||
if (r->howto->pc_relative)
|
||
{
|
||
r->addend += current_byte_index;
|
||
}
|
||
#endif
|
||
|
||
switch (r->howto->size)
|
||
{
|
||
case 2:
|
||
|
||
ov = bfd_get_32 (abfd,
|
||
stream + current_byte_index);
|
||
current_byte_index += 4;
|
||
break;
|
||
case 1:
|
||
ov = bfd_get_16 (abfd,
|
||
stream + current_byte_index);
|
||
current_byte_index += 2;
|
||
break;
|
||
case 0:
|
||
ov = bfd_get_8 (abfd,
|
||
stream + current_byte_index);
|
||
current_byte_index++;
|
||
break;
|
||
default:
|
||
ov = 0;
|
||
BFD_FAIL ();
|
||
}
|
||
ieee_write_byte (abfd, ieee_function_either_open_b_enum);
|
||
/* abort();*/
|
||
|
||
if (r->sym_ptr_ptr != (asymbol **) NULL)
|
||
{
|
||
ieee_write_expression (abfd, r->addend + ov,
|
||
*(r->sym_ptr_ptr),
|
||
r->howto->pc_relative, s->index);
|
||
}
|
||
else
|
||
{
|
||
ieee_write_expression (abfd, r->addend + ov,
|
||
(asymbol *) NULL,
|
||
r->howto->pc_relative, s->index);
|
||
}
|
||
|
||
if (1 || r->howto->size != 2)
|
||
{
|
||
ieee_write_byte (abfd, ieee_comma);
|
||
ieee_write_int (abfd, 1 << r->howto->size);
|
||
}
|
||
ieee_write_byte (abfd,
|
||
ieee_function_either_close_b_enum);
|
||
|
||
relocs_to_go--;
|
||
p++;
|
||
}
|
||
|
||
}
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/* If there are no relocations in the output section then we can
|
||
be clever about how we write. We block items up into a max of 127
|
||
bytes */
|
||
|
||
static void
|
||
do_as_repeat (abfd, s)
|
||
bfd *abfd;
|
||
asection *s;
|
||
{
|
||
if (s->_raw_size)
|
||
{
|
||
ieee_write_byte (abfd, ieee_set_current_section_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_byte (abfd, ieee_set_current_pc_enum >> 8);
|
||
ieee_write_byte (abfd, ieee_set_current_pc_enum & 0xff);
|
||
ieee_write_byte (abfd, (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE));
|
||
ieee_write_int (abfd, s->vma);
|
||
|
||
ieee_write_byte (abfd, ieee_repeat_data_enum);
|
||
ieee_write_int (abfd, s->_raw_size);
|
||
ieee_write_byte (abfd, ieee_load_constant_bytes_enum);
|
||
ieee_write_byte (abfd, 1);
|
||
ieee_write_byte (abfd, 0);
|
||
}
|
||
}
|
||
|
||
static void
|
||
do_without_relocs (abfd, s)
|
||
bfd *abfd;
|
||
asection *s;
|
||
{
|
||
bfd_byte *stream = ieee_per_section (s)->data;
|
||
|
||
if (stream == 0 || ((s->flags & SEC_LOAD) == 0))
|
||
{
|
||
do_as_repeat (abfd, s);
|
||
}
|
||
else
|
||
{
|
||
unsigned int i;
|
||
for (i = 0; i < s->_raw_size; i++)
|
||
{
|
||
if (stream[i] != 0)
|
||
{
|
||
do_with_relocs (abfd, s);
|
||
return;
|
||
}
|
||
}
|
||
do_as_repeat (abfd, s);
|
||
}
|
||
|
||
}
|
||
|
||
|
||
static unsigned char *output_ptr_start;
|
||
static unsigned char *output_ptr;
|
||
static unsigned char *output_ptr_end;
|
||
static unsigned char *input_ptr_start;
|
||
static unsigned char *input_ptr;
|
||
static unsigned char *input_ptr_end;
|
||
static bfd *input_bfd;
|
||
static bfd *output_bfd;
|
||
static int output_buffer;
|
||
|
||
static void
|
||
fill ()
|
||
{
|
||
/* FIXME: Check return value. I'm not sure whether it needs to read
|
||
the entire buffer or not. */
|
||
bfd_read ((PTR) input_ptr_start, 1, input_ptr_end - input_ptr_start, input_bfd);
|
||
input_ptr = input_ptr_start;
|
||
}
|
||
static void
|
||
flush ()
|
||
{
|
||
if (bfd_write ((PTR) (output_ptr_start), 1, output_ptr - output_ptr_start,
|
||
output_bfd)
|
||
!= (bfd_size_type) (output_ptr - output_ptr_start))
|
||
abort ();
|
||
output_ptr = output_ptr_start;
|
||
output_buffer++;
|
||
}
|
||
|
||
#define THIS() ( *input_ptr )
|
||
#define NEXT() { input_ptr++; if (input_ptr == input_ptr_end) fill(); }
|
||
#define OUT(x) { *output_ptr++ = (x); if(output_ptr == output_ptr_end) flush(); }
|
||
|
||
static void
|
||
write_int (value)
|
||
int value;
|
||
{
|
||
if (value >= 0 && value <= 127)
|
||
{
|
||
OUT (value);
|
||
}
|
||
else
|
||
{
|
||
unsigned int length;
|
||
/* How many significant bytes ? */
|
||
/* FIXME FOR LONGER INTS */
|
||
if (value & 0xff000000)
|
||
{
|
||
length = 4;
|
||
}
|
||
else if (value & 0x00ff0000)
|
||
{
|
||
length = 3;
|
||
}
|
||
else if (value & 0x0000ff00)
|
||
{
|
||
length = 2;
|
||
}
|
||
else
|
||
length = 1;
|
||
|
||
OUT ((int) ieee_number_repeat_start_enum + length);
|
||
switch (length)
|
||
{
|
||
case 4:
|
||
OUT (value >> 24);
|
||
case 3:
|
||
OUT (value >> 16);
|
||
case 2:
|
||
OUT (value >> 8);
|
||
case 1:
|
||
OUT (value);
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
static void
|
||
copy_id ()
|
||
{
|
||
int length = THIS ();
|
||
char ch;
|
||
OUT (length);
|
||
NEXT ();
|
||
while (length--)
|
||
{
|
||
ch = THIS ();
|
||
OUT (ch);
|
||
NEXT ();
|
||
}
|
||
}
|
||
|
||
#define VAR(x) ((x | 0x80))
|
||
static void
|
||
copy_expression ()
|
||
{
|
||
int stack[10];
|
||
int *tos = stack;
|
||
int value = 0;
|
||
while (1)
|
||
{
|
||
switch (THIS ())
|
||
{
|
||
case 0x84:
|
||
NEXT ();
|
||
value = THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
*tos++ = value;
|
||
break;
|
||
case 0x83:
|
||
NEXT ();
|
||
value = THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
*tos++ = value;
|
||
break;
|
||
case 0x82:
|
||
NEXT ();
|
||
value = THIS ();
|
||
NEXT ();
|
||
value = (value << 8) | THIS ();
|
||
NEXT ();
|
||
*tos++ = value;
|
||
break;
|
||
case 0x81:
|
||
NEXT ();
|
||
value = THIS ();
|
||
NEXT ();
|
||
*tos++ = value;
|
||
break;
|
||
case 0x80:
|
||
NEXT ();
|
||
*tos++ = 0;
|
||
break;
|
||
default:
|
||
if (THIS () > 0x84)
|
||
{
|
||
/* Not a number, just bug out with the answer */
|
||
write_int (*(--tos));
|
||
return;
|
||
}
|
||
*tos++ = THIS ();
|
||
NEXT ();
|
||
value = 0;
|
||
break;
|
||
case 0xa5:
|
||
/* PLUS anything */
|
||
{
|
||
int value = *(--tos);
|
||
value += *(--tos);
|
||
*tos++ = value;
|
||
NEXT ();
|
||
}
|
||
break;
|
||
case VAR ('R'):
|
||
{
|
||
int section_number;
|
||
ieee_data_type *ieee;
|
||
asection *s;
|
||
NEXT ();
|
||
section_number = THIS ();
|
||
|
||
NEXT ();
|
||
ieee = IEEE_DATA (input_bfd);
|
||
s = ieee->section_table[section_number];
|
||
if (s->output_section)
|
||
{
|
||
value = s->output_section->vma;
|
||
}
|
||
else
|
||
{
|
||
value = 0;
|
||
}
|
||
value += s->output_offset;
|
||
*tos++ = value;
|
||
value = 0;
|
||
}
|
||
break;
|
||
case 0x90:
|
||
{
|
||
NEXT ();
|
||
write_int (*(--tos));
|
||
OUT (0x90);
|
||
return;
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
/* Drop the int in the buffer, and copy a null into the gap, which we
|
||
will overwrite later */
|
||
|
||
struct output_buffer_struct
|
||
{
|
||
unsigned char *ptrp;
|
||
int buffer;
|
||
};
|
||
|
||
static void
|
||
fill_int (buf)
|
||
struct output_buffer_struct *buf;
|
||
{
|
||
if (buf->buffer == output_buffer)
|
||
{
|
||
/* Still a chance to output the size */
|
||
int value = output_ptr - buf->ptrp + 3;
|
||
buf->ptrp[0] = value >> 24;
|
||
buf->ptrp[1] = value >> 16;
|
||
buf->ptrp[2] = value >> 8;
|
||
buf->ptrp[3] = value >> 0;
|
||
}
|
||
}
|
||
|
||
static void
|
||
drop_int (buf)
|
||
struct output_buffer_struct *buf;
|
||
{
|
||
int type = THIS ();
|
||
int ch;
|
||
if (type <= 0x84)
|
||
{
|
||
NEXT ();
|
||
switch (type)
|
||
{
|
||
case 0x84:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
case 0x83:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
case 0x82:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
case 0x81:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
case 0x80:
|
||
break;
|
||
}
|
||
}
|
||
OUT (0x84);
|
||
buf->ptrp = output_ptr;
|
||
buf->buffer = output_buffer;
|
||
OUT (0);
|
||
OUT (0);
|
||
OUT (0);
|
||
OUT (0);
|
||
}
|
||
|
||
static void
|
||
copy_int ()
|
||
{
|
||
int type = THIS ();
|
||
int ch;
|
||
if (type <= 0x84)
|
||
{
|
||
OUT (type);
|
||
NEXT ();
|
||
switch (type)
|
||
{
|
||
case 0x84:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
OUT (ch);
|
||
case 0x83:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
OUT (ch);
|
||
case 0x82:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
OUT (ch);
|
||
case 0x81:
|
||
ch = THIS ();
|
||
NEXT ();
|
||
OUT (ch);
|
||
case 0x80:
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
#define ID copy_id()
|
||
#define INT copy_int()
|
||
#define EXP copy_expression()
|
||
static void copy_till_end ();
|
||
#define INTn(q) copy_int()
|
||
#define EXPn(q) copy_expression()
|
||
|
||
static void
|
||
f1_record ()
|
||
{
|
||
int ch;
|
||
/* ATN record */
|
||
NEXT ();
|
||
ch = THIS ();
|
||
switch (ch)
|
||
{
|
||
default:
|
||
OUT (0xf1);
|
||
OUT (ch);
|
||
break;
|
||
case 0xc9:
|
||
NEXT ();
|
||
OUT (0xf1);
|
||
OUT (0xc9);
|
||
INT;
|
||
INT;
|
||
ch = THIS ();
|
||
switch (ch)
|
||
{
|
||
case 0x16:
|
||
NEXT ();
|
||
break;
|
||
case 0x01:
|
||
NEXT ();
|
||
break;
|
||
case 0x00:
|
||
NEXT ();
|
||
INT;
|
||
break;
|
||
case 0x03:
|
||
NEXT ();
|
||
INT;
|
||
break;
|
||
case 0x13:
|
||
EXPn (instruction address);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
case 0xd8:
|
||
/* EXternal ref */
|
||
NEXT ();
|
||
OUT (0xf1);
|
||
OUT (0xd8);
|
||
EXP;
|
||
EXP;
|
||
EXP;
|
||
EXP;
|
||
break;
|
||
case 0xce:
|
||
NEXT ();
|
||
OUT (0xf1);
|
||
OUT (0xce);
|
||
INT;
|
||
INT;
|
||
ch = THIS ();
|
||
INT;
|
||
switch (ch)
|
||
{
|
||
case 0x01:
|
||
INT;
|
||
INT;
|
||
break;
|
||
case 0x02:
|
||
INT;
|
||
break;
|
||
case 0x04:
|
||
EXPn (external function);
|
||
break;
|
||
case 0x05:
|
||
break;
|
||
case 0x07:
|
||
INTn (line number);
|
||
INT;
|
||
case 0x08:
|
||
break;
|
||
case 0x0a:
|
||
INTn (locked register);
|
||
INT;
|
||
break;
|
||
case 0x3f:
|
||
copy_till_end ();
|
||
break;
|
||
case 0x3e:
|
||
copy_till_end ();
|
||
break;
|
||
case 0x40:
|
||
copy_till_end ();
|
||
break;
|
||
case 0x41:
|
||
ID;
|
||
break;
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
static void
|
||
f0_record ()
|
||
{
|
||
/* Attribute record */
|
||
NEXT ();
|
||
OUT (0xf0);
|
||
INTn (Symbol name);
|
||
ID;
|
||
}
|
||
|
||
static void
|
||
copy_till_end ()
|
||
{
|
||
int ch = THIS ();
|
||
while (1)
|
||
{
|
||
while (ch <= 0x80)
|
||
{
|
||
OUT (ch);
|
||
NEXT ();
|
||
ch = THIS ();
|
||
}
|
||
switch (ch)
|
||
{
|
||
case 0x84:
|
||
OUT (THIS ());
|
||
NEXT ();
|
||
case 0x83:
|
||
OUT (THIS ());
|
||
NEXT ();
|
||
case 0x82:
|
||
OUT (THIS ());
|
||
NEXT ();
|
||
case 0x81:
|
||
OUT (THIS ());
|
||
NEXT ();
|
||
OUT (THIS ());
|
||
NEXT ();
|
||
|
||
ch = THIS ();
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
static void
|
||
f2_record ()
|
||
{
|
||
NEXT ();
|
||
OUT (0xf2);
|
||
INT;
|
||
NEXT ();
|
||
OUT (0xce);
|
||
INT;
|
||
copy_till_end ();
|
||
}
|
||
|
||
|
||
static void block ();
|
||
static void
|
||
f8_record ()
|
||
{
|
||
int ch;
|
||
NEXT ();
|
||
ch = THIS ();
|
||
switch (ch)
|
||
{
|
||
case 0x01:
|
||
case 0x02:
|
||
case 0x03:
|
||
/* Unique typedefs for module */
|
||
/* GLobal typedefs */
|
||
/* High level module scope beginning */
|
||
{
|
||
struct output_buffer_struct ob;
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (ch);
|
||
drop_int (&ob);
|
||
ID;
|
||
|
||
block ();
|
||
|
||
NEXT ();
|
||
fill_int (&ob);
|
||
OUT (0xf9);
|
||
}
|
||
break;
|
||
case 0x04:
|
||
/* Global function */
|
||
{
|
||
struct output_buffer_struct ob;
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (0x04);
|
||
drop_int (&ob);
|
||
ID;
|
||
INTn (stack size);
|
||
INTn (ret val);
|
||
EXPn (offset);
|
||
|
||
block ();
|
||
|
||
NEXT ();
|
||
OUT (0xf9);
|
||
EXPn (size of block);
|
||
fill_int (&ob);
|
||
}
|
||
break;
|
||
|
||
case 0x05:
|
||
/* File name for source line numbers */
|
||
{
|
||
struct output_buffer_struct ob;
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (0x05);
|
||
drop_int (&ob);
|
||
ID;
|
||
INTn (year);
|
||
INTn (month);
|
||
INTn (day);
|
||
INTn (hour);
|
||
INTn (monute);
|
||
INTn (second);
|
||
block ();
|
||
NEXT ();
|
||
OUT (0xf9);
|
||
fill_int (&ob);
|
||
}
|
||
break;
|
||
|
||
case 0x06:
|
||
/* Local function */
|
||
{
|
||
struct output_buffer_struct ob;
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (0x06);
|
||
drop_int (&ob);
|
||
ID;
|
||
INTn (stack size);
|
||
INTn (type return);
|
||
EXPn (offset);
|
||
block ();
|
||
NEXT ();
|
||
OUT (0xf9);
|
||
EXPn (size);
|
||
fill_int (&ob);
|
||
}
|
||
break;
|
||
|
||
case 0x0a:
|
||
/* Assembler module scope beginning -*/
|
||
{
|
||
struct output_buffer_struct ob;
|
||
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (0x0a);
|
||
drop_int (&ob);
|
||
ID;
|
||
ID;
|
||
INT;
|
||
ID;
|
||
INT;
|
||
INT;
|
||
INT;
|
||
INT;
|
||
INT;
|
||
INT;
|
||
|
||
block ();
|
||
|
||
NEXT ();
|
||
OUT (0xf9);
|
||
fill_int (&ob);
|
||
}
|
||
break;
|
||
case 0x0b:
|
||
{
|
||
struct output_buffer_struct ob;
|
||
NEXT ();
|
||
OUT (0xf8);
|
||
OUT (0x0b);
|
||
drop_int (&ob);
|
||
ID;
|
||
INT;
|
||
INTn (section index);
|
||
EXPn (offset);
|
||
INTn (stuff);
|
||
|
||
block ();
|
||
|
||
OUT (0xf9);
|
||
NEXT ();
|
||
EXPn (Size in Maus);
|
||
fill_int (&ob);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
e2_record ()
|
||
{
|
||
OUT (0xe2);
|
||
NEXT ();
|
||
OUT (0xce);
|
||
NEXT ();
|
||
INT;
|
||
EXP;
|
||
}
|
||
|
||
static void
|
||
block ()
|
||
{
|
||
int ch;
|
||
while (1)
|
||
{
|
||
ch = THIS ();
|
||
switch (ch)
|
||
{
|
||
case 0xe1:
|
||
case 0xe5:
|
||
return;
|
||
case 0xf9:
|
||
return;
|
||
case 0xf0:
|
||
f0_record ();
|
||
break;
|
||
case 0xf1:
|
||
f1_record ();
|
||
break;
|
||
case 0xf2:
|
||
f2_record ();
|
||
break;
|
||
case 0xf8:
|
||
f8_record ();
|
||
break;
|
||
case 0xe2:
|
||
e2_record ();
|
||
break;
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/* relocate_debug,
|
||
moves all the debug information from the source bfd to the output
|
||
bfd, and relocates any expressions it finds
|
||
*/
|
||
|
||
static void
|
||
relocate_debug (output, input)
|
||
bfd *output;
|
||
bfd *input;
|
||
{
|
||
#define IBS 400
|
||
#define OBS 400
|
||
unsigned char input_buffer[IBS];
|
||
|
||
input_ptr_start = input_ptr = input_buffer;
|
||
input_ptr_end = input_buffer + IBS;
|
||
input_bfd = input;
|
||
/* FIXME: Check return value. I'm not sure whether it needs to read
|
||
the entire buffer or not. */
|
||
bfd_read ((PTR) input_ptr_start, 1, IBS, input);
|
||
block ();
|
||
}
|
||
|
||
/*
|
||
During linking, we we told about the bfds which made up our
|
||
contents, we have a list of them. They will still be open, so go to
|
||
the debug info in each, and copy it out, relocating it as we go.
|
||
*/
|
||
|
||
static void
|
||
ieee_write_debug_part (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
bfd_chain_type *chain = ieee->chain_root;
|
||
unsigned char output_buffer[OBS];
|
||
boolean some_debug = false;
|
||
file_ptr here = bfd_tell (abfd);
|
||
|
||
output_ptr_start = output_ptr = output_buffer;
|
||
output_ptr_end = output_buffer + OBS;
|
||
output_ptr = output_buffer;
|
||
output_bfd = abfd;
|
||
|
||
if (chain == (bfd_chain_type *) NULL)
|
||
{
|
||
#if 0
|
||
/* There is no debug info, so we'll fake some up */
|
||
CONST static char fake[] =
|
||
{
|
||
0xf8, 0xa, 0, 5, 't', 't', 't', 't', 't', 0, 2, 3,
|
||
'1', '.', '1', 0x82, 1991 >> 8, 1991 & 0xff, 9, 20, 11, 07, 50};
|
||
ieee->w.r.debug_information_part = 0;
|
||
|
||
|
||
here;
|
||
|
||
|
||
/* bfd_write(fake, 1, sizeof(fake), abfd);*/
|
||
/* Now write a header for each section */
|
||
{
|
||
int i = 0;
|
||
asection *s = abfd->sections;
|
||
while (s)
|
||
{
|
||
if (s != abfd->abs_section)
|
||
{
|
||
|
||
ieee_write_byte (abfd, 0xf8);
|
||
ieee_write_byte (abfd, 0x0b);
|
||
ieee_write_byte (abfd, 0);
|
||
ieee_write_byte (abfd, 0);
|
||
ieee_write_byte (abfd, 1);
|
||
ieee_write_byte (abfd, i + IEEE_SECTION_NUMBER_BASE);
|
||
ieee_write_expression (abfd, 0, s->symbol, 0, 0, 0);
|
||
ieee_write_byte (abfd, 0);
|
||
ieee_write_byte (abfd, 0xf9);
|
||
ieee_write_expression (abfd, s->size,
|
||
bfd_abs_section_ptr->symbol, 0, 0, 0);
|
||
i++;
|
||
}
|
||
|
||
s = s->next;
|
||
|
||
}
|
||
/* Close the scope */
|
||
ieee_write_byte (abfd, 0xf9);
|
||
}
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
while (chain != (bfd_chain_type *) NULL)
|
||
{
|
||
bfd *entry = chain->this;
|
||
ieee_data_type *entry_ieee = IEEE_DATA (entry);
|
||
if (entry_ieee->w.r.debug_information_part)
|
||
{
|
||
if (bfd_seek (entry, entry_ieee->w.r.debug_information_part,
|
||
SEEK_SET)
|
||
!= 0)
|
||
abort ();
|
||
relocate_debug (abfd, entry);
|
||
}
|
||
|
||
chain = chain->next;
|
||
}
|
||
if (some_debug)
|
||
{
|
||
ieee->w.r.debug_information_part = here;
|
||
}
|
||
else
|
||
{
|
||
ieee->w.r.debug_information_part = 0;
|
||
}
|
||
}
|
||
flush ();
|
||
|
||
}
|
||
|
||
/* write the data in an ieee way */
|
||
static void
|
||
ieee_write_data_part (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asection *s;
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
ieee->w.r.data_part = bfd_tell (abfd);
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
/* Sort the reloc records so we can insert them in the correct
|
||
places */
|
||
if (s->reloc_count != 0)
|
||
{
|
||
do_with_relocs (abfd, s);
|
||
}
|
||
else
|
||
{
|
||
do_without_relocs (abfd, s);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
static boolean
|
||
init_for_output (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asection *s;
|
||
for (s = abfd->sections; s != (asection *) NULL; s = s->next)
|
||
{
|
||
if (s->_raw_size != 0)
|
||
{
|
||
ieee_per_section (s)->data = (bfd_byte *) (bfd_alloc (abfd, s->_raw_size));
|
||
if (!ieee_per_section (s)->data)
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/** exec and core file sections */
|
||
|
||
/* set section contents is complicated with IEEE since the format is
|
||
* not a byte image, but a record stream.
|
||
*/
|
||
boolean
|
||
ieee_set_section_contents (abfd, section, location, offset, count)
|
||
bfd *abfd;
|
||
sec_ptr section;
|
||
PTR location;
|
||
file_ptr offset;
|
||
bfd_size_type count;
|
||
{
|
||
if (ieee_per_section (section)->data == (bfd_byte *) NULL)
|
||
{
|
||
if (!init_for_output (abfd))
|
||
return false;
|
||
}
|
||
memcpy ((PTR) (ieee_per_section (section)->data + offset),
|
||
(PTR) location,
|
||
(unsigned int) count);
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
write the external symbols of a file, IEEE considers two sorts of
|
||
external symbols, public, and referenced. It uses to internal forms
|
||
to index them as well. When we write them out we turn their symbol
|
||
values into indexes from the right base.
|
||
*/
|
||
static void
|
||
ieee_write_external_part (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asymbol **q;
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
|
||
unsigned int reference_index = IEEE_REFERENCE_BASE;
|
||
unsigned int public_index = IEEE_PUBLIC_BASE + 2;
|
||
file_ptr here = bfd_tell (abfd);
|
||
boolean hadone = false;
|
||
if (abfd->outsymbols != (asymbol **) NULL)
|
||
{
|
||
|
||
for (q = abfd->outsymbols; *q != (asymbol *) NULL; q++)
|
||
{
|
||
asymbol *p = *q;
|
||
hadone = true;
|
||
if (bfd_is_und_section (p->section))
|
||
{
|
||
/* This must be a symbol reference .. */
|
||
ieee_write_byte (abfd, ieee_external_reference_enum);
|
||
ieee_write_int (abfd, reference_index);
|
||
ieee_write_id (abfd, p->name);
|
||
p->value = reference_index;
|
||
reference_index++;
|
||
}
|
||
else if (bfd_is_com_section (p->section))
|
||
{
|
||
/* This is a weak reference */
|
||
ieee_write_byte (abfd, ieee_external_reference_enum);
|
||
ieee_write_int (abfd, reference_index);
|
||
ieee_write_id (abfd, p->name);
|
||
ieee_write_byte (abfd, ieee_weak_external_reference_enum);
|
||
ieee_write_int (abfd, reference_index);
|
||
ieee_write_int (abfd, p->value);
|
||
ieee_write_int (abfd, BFD_FORT_COMM_DEFAULT_VALUE);
|
||
p->value = reference_index;
|
||
reference_index++;
|
||
}
|
||
else if (p->flags & BSF_GLOBAL)
|
||
{
|
||
/* This must be a symbol definition */
|
||
|
||
|
||
ieee_write_byte (abfd, ieee_external_symbol_enum);
|
||
ieee_write_int (abfd, public_index);
|
||
ieee_write_id (abfd, p->name);
|
||
|
||
ieee_write_twobyte (abfd, ieee_attribute_record_enum);
|
||
ieee_write_int (abfd, public_index);
|
||
ieee_write_byte (abfd, 15); /* instruction address */
|
||
ieee_write_byte (abfd, 19); /* static symbol */
|
||
ieee_write_byte (abfd, 1); /* one of them */
|
||
|
||
|
||
/* Write out the value */
|
||
ieee_write_2bytes (abfd, ieee_value_record_enum);
|
||
ieee_write_int (abfd, public_index);
|
||
if (! bfd_is_abs_section (p->section))
|
||
{
|
||
if (abfd->flags & EXEC_P)
|
||
{
|
||
/* If fully linked, then output all symbols
|
||
relocated */
|
||
ieee_write_int (abfd,
|
||
p->value + p->section->output_offset + p->section->output_section->vma);
|
||
|
||
}
|
||
else
|
||
{
|
||
ieee_write_expression (abfd,
|
||
p->value + p->section->output_offset,
|
||
p->section->output_section->symbol
|
||
,false, 0);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ieee_write_expression (abfd,
|
||
p->value,
|
||
bfd_abs_section_ptr->symbol,
|
||
false, 0);
|
||
}
|
||
p->value = public_index;
|
||
public_index++;
|
||
}
|
||
else
|
||
{
|
||
/* This can happen - when there are gaps in the symbols read */
|
||
/* from an input ieee file */
|
||
}
|
||
}
|
||
}
|
||
if (hadone)
|
||
ieee->w.r.external_part = here;
|
||
|
||
}
|
||
|
||
|
||
static CONST unsigned char exten[] =
|
||
{
|
||
0xf0, 0x20, 0x00,
|
||
0xf1, 0xce, 0x20, 0x00, 37, 3, 3, /* Set version 3 rev 3 */
|
||
0xf1, 0xce, 0x20, 0x00, 39, 2,/* keep symbol in original case */
|
||
0xf1, 0xce, 0x20, 0x00, 38 /* set object type relocateable to x */
|
||
};
|
||
|
||
static CONST unsigned char envi[] =
|
||
{
|
||
0xf0, 0x21, 0x00,
|
||
|
||
/* 0xf1, 0xce, 0x21, 00, 50, 0x82, 0x07, 0xc7, 0x09, 0x11, 0x11,
|
||
0x19, 0x2c,
|
||
*/
|
||
0xf1, 0xce, 0x21, 00, 52, 0x00, /* exec ok */
|
||
|
||
0xf1, 0xce, 0x21, 0, 53, 0x03,/* host unix */
|
||
/* 0xf1, 0xce, 0x21, 0, 54, 2,1,1 tool & version # */
|
||
};
|
||
|
||
static
|
||
void
|
||
ieee_write_me_part (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
ieee->w.r.trailer_part = bfd_tell (abfd);
|
||
if (abfd->start_address)
|
||
{
|
||
ieee->w.r.me_record = bfd_tell (abfd);
|
||
ieee_write_2bytes (abfd, ieee_value_starting_address_enum);
|
||
ieee_write_byte (abfd, ieee_function_either_open_b_enum);
|
||
ieee_write_int (abfd, abfd->start_address);
|
||
ieee_write_byte (abfd, ieee_function_either_close_b_enum);
|
||
}
|
||
else
|
||
{
|
||
ieee->w.r.me_record = bfd_tell (abfd);
|
||
}
|
||
ieee_write_byte (abfd, ieee_module_end_enum);
|
||
|
||
}
|
||
|
||
boolean
|
||
ieee_write_object_contents (abfd)
|
||
bfd *abfd;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (abfd);
|
||
unsigned int i;
|
||
file_ptr old;
|
||
/* Fast forward over the header area */
|
||
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
|
||
return false;
|
||
ieee_write_byte (abfd, ieee_module_beginning_enum);
|
||
|
||
ieee_write_id (abfd, bfd_printable_name (abfd));
|
||
ieee_write_id (abfd, abfd->filename);
|
||
|
||
/* Fast forward over the variable bits */
|
||
ieee_write_byte (abfd, ieee_address_descriptor_enum);
|
||
|
||
/* Bits per MAU */
|
||
ieee_write_byte (abfd, (bfd_byte) (bfd_arch_bits_per_byte (abfd)));
|
||
/* MAU's per address */
|
||
ieee_write_byte (abfd,
|
||
(bfd_byte) (bfd_arch_bits_per_address (abfd) / bfd_arch_bits_per_byte (abfd)));
|
||
|
||
old = bfd_tell (abfd);
|
||
if (bfd_seek (abfd, (file_ptr) (8 * N_W_VARIABLES), SEEK_CUR) != 0)
|
||
return false;
|
||
|
||
ieee->w.r.extension_record = bfd_tell (abfd);
|
||
if (bfd_write ((char *) exten, 1, sizeof (exten), abfd) != sizeof (exten))
|
||
return false;
|
||
if (abfd->flags & EXEC_P)
|
||
ieee_write_byte (abfd, 0x1);/* Absolute */
|
||
else
|
||
ieee_write_byte (abfd, 0x2);/* Relocateable */
|
||
|
||
ieee->w.r.environmental_record = bfd_tell (abfd);
|
||
if (bfd_write ((char *) envi, 1, sizeof (envi), abfd) != sizeof (envi))
|
||
return false;
|
||
output_bfd = abfd;
|
||
flush ();
|
||
|
||
ieee_write_section_part (abfd);
|
||
/*
|
||
First write the symbols, this changes their values into table
|
||
indeces so we cant use it after this point
|
||
*/
|
||
ieee_write_external_part (abfd);
|
||
/* ieee_write_byte(abfd, ieee_record_seperator_enum);*/
|
||
|
||
|
||
/* ieee_write_byte(abfd, ieee_record_seperator_enum);*/
|
||
|
||
|
||
/*
|
||
Write any debugs we have been told about
|
||
*/
|
||
ieee_write_debug_part (abfd);
|
||
|
||
/*
|
||
Can only write the data once the symbols have been written since
|
||
the data contains relocation information which points to the
|
||
symbols
|
||
*/
|
||
ieee_write_data_part (abfd);
|
||
|
||
|
||
/*
|
||
At the end we put the end !
|
||
*/
|
||
ieee_write_me_part (abfd);
|
||
|
||
|
||
/* Generate the header */
|
||
if (bfd_seek (abfd, old, SEEK_SET) != 0)
|
||
return false;
|
||
|
||
for (i = 0; i < N_W_VARIABLES; i++)
|
||
{
|
||
ieee_write_2bytes (abfd, ieee_assign_value_to_variable_enum);
|
||
ieee_write_byte (abfd, (bfd_byte) i);
|
||
ieee_write_int5_out (abfd, ieee->w.offset[i]);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
|
||
/* Native-level interface to symbols. */
|
||
|
||
/* We read the symbols into a buffer, which is discarded when this
|
||
function exits. We read the strings into a buffer large enough to
|
||
hold them all plus all the cached symbol entries. */
|
||
|
||
asymbol *
|
||
ieee_make_empty_symbol (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
ieee_symbol_type *new =
|
||
(ieee_symbol_type *) bfd_zmalloc (sizeof (ieee_symbol_type));
|
||
if (!new)
|
||
{
|
||
bfd_set_error (bfd_error_no_error);
|
||
return NULL;
|
||
}
|
||
new->symbol.the_bfd = abfd;
|
||
return &new->symbol;
|
||
}
|
||
|
||
static bfd *
|
||
ieee_openr_next_archived_file (arch, prev)
|
||
bfd *arch;
|
||
bfd *prev;
|
||
{
|
||
ieee_ar_data_type *ar = IEEE_AR_DATA (arch);
|
||
/* take the next one from the arch state, or reset */
|
||
if (prev == (bfd *) NULL)
|
||
{
|
||
/* Reset the index - the first two entries are bogus*/
|
||
ar->element_index = 2;
|
||
}
|
||
while (true)
|
||
{
|
||
ieee_ar_obstack_type *p = ar->elements + ar->element_index;
|
||
ar->element_index++;
|
||
if (ar->element_index <= ar->element_count)
|
||
{
|
||
if (p->file_offset != (file_ptr) 0)
|
||
{
|
||
if (p->abfd == (bfd *) NULL)
|
||
{
|
||
p->abfd = _bfd_create_empty_archive_element_shell (arch);
|
||
p->abfd->origin = p->file_offset;
|
||
}
|
||
return p->abfd;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return (bfd *) NULL;
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
static boolean
|
||
ieee_find_nearest_line (abfd,
|
||
section,
|
||
symbols,
|
||
offset,
|
||
filename_ptr,
|
||
functionname_ptr,
|
||
line_ptr)
|
||
bfd *abfd;
|
||
asection *section;
|
||
asymbol **symbols;
|
||
bfd_vma offset;
|
||
char **filename_ptr;
|
||
char **functionname_ptr;
|
||
int *line_ptr;
|
||
{
|
||
return false;
|
||
}
|
||
|
||
static int
|
||
ieee_generic_stat_arch_elt (abfd, buf)
|
||
bfd *abfd;
|
||
struct stat *buf;
|
||
{
|
||
ieee_ar_data_type *ar = abfd->my_archive->tdata.ieee_ar_data;
|
||
if (ar == (ieee_ar_data_type *) NULL)
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return -1;
|
||
}
|
||
else
|
||
{
|
||
buf->st_size = 0x1;
|
||
buf->st_mode = 0666;
|
||
return !ieee_object_p (abfd);
|
||
}
|
||
}
|
||
|
||
static int
|
||
ieee_sizeof_headers (abfd, x)
|
||
bfd *abfd;
|
||
boolean x;
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
|
||
/* The debug info routines are never used. */
|
||
#if 0
|
||
|
||
static void
|
||
ieee_bfd_debug_info_start (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
}
|
||
|
||
static void
|
||
ieee_bfd_debug_info_end (abfd)
|
||
bfd *abfd;
|
||
{
|
||
|
||
}
|
||
|
||
|
||
/* Add this section to the list of sections we have debug info for, to
|
||
be ready to output it at close time
|
||
*/
|
||
static void
|
||
ieee_bfd_debug_info_accumulate (abfd, section)
|
||
bfd *abfd;
|
||
asection *section;
|
||
{
|
||
ieee_data_type *ieee = IEEE_DATA (section->owner);
|
||
ieee_data_type *output_ieee = IEEE_DATA (abfd);
|
||
/* can only accumulate data from other ieee bfds */
|
||
if (section->owner->xvec != abfd->xvec)
|
||
return;
|
||
/* Only bother once per bfd */
|
||
if (ieee->done_debug == true)
|
||
return;
|
||
ieee->done_debug = true;
|
||
|
||
/* Don't bother if there is no debug info */
|
||
if (ieee->w.r.debug_information_part == 0)
|
||
return;
|
||
|
||
|
||
/* Add to chain */
|
||
{
|
||
bfd_chain_type *n = (bfd_chain_type *) bfd_alloc (abfd, sizeof (bfd_chain_type));
|
||
if (!n)
|
||
abort (); /* FIXME */
|
||
n->this = section->owner;
|
||
n->next = (bfd_chain_type *) NULL;
|
||
|
||
if (output_ieee->chain_head)
|
||
{
|
||
output_ieee->chain_head->next = n;
|
||
}
|
||
else
|
||
{
|
||
output_ieee->chain_root = n;
|
||
|
||
}
|
||
output_ieee->chain_head = n;
|
||
}
|
||
}
|
||
|
||
#endif
|
||
|
||
#define ieee_close_and_cleanup _bfd_generic_close_and_cleanup
|
||
#define ieee_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
|
||
|
||
#define ieee_slurp_armap bfd_true
|
||
#define ieee_slurp_extended_name_table bfd_true
|
||
#define ieee_construct_extended_name_table \
|
||
((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
|
||
bfd_true)
|
||
#define ieee_truncate_arname bfd_dont_truncate_arname
|
||
#define ieee_write_armap \
|
||
((boolean (*) \
|
||
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
|
||
bfd_true)
|
||
#define ieee_read_ar_hdr bfd_nullvoidptr
|
||
#define ieee_update_armap_timestamp bfd_true
|
||
|
||
#define ieee_bfd_is_local_label bfd_generic_is_local_label
|
||
#define ieee_get_lineno _bfd_nosymbols_get_lineno
|
||
#define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
|
||
#define ieee_read_minisymbols _bfd_generic_read_minisymbols
|
||
#define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
|
||
|
||
#define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
||
|
||
#define ieee_set_arch_mach _bfd_generic_set_arch_mach
|
||
|
||
#define ieee_get_section_contents_in_window \
|
||
_bfd_generic_get_section_contents_in_window
|
||
#define ieee_bfd_get_relocated_section_contents \
|
||
bfd_generic_get_relocated_section_contents
|
||
#define ieee_bfd_relax_section bfd_generic_relax_section
|
||
#define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
||
#define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
||
#define ieee_bfd_final_link _bfd_generic_final_link
|
||
#define ieee_bfd_link_split_section _bfd_generic_link_split_section
|
||
|
||
/*SUPPRESS 460 */
|
||
const bfd_target ieee_vec =
|
||
{
|
||
"ieee", /* name */
|
||
bfd_target_ieee_flavour,
|
||
true, /* target byte order */
|
||
true, /* target headers byte order */
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
||
(SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
|
||
| SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* leading underscore */
|
||
' ', /* ar_pad_char */
|
||
16, /* ar_max_namelen */
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* 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_dummy_target,
|
||
ieee_object_p, /* bfd_check_format */
|
||
ieee_archive_p,
|
||
_bfd_dummy_target,
|
||
},
|
||
{
|
||
bfd_false,
|
||
ieee_mkobject,
|
||
_bfd_generic_mkarchive,
|
||
bfd_false
|
||
},
|
||
{
|
||
bfd_false,
|
||
ieee_write_object_contents,
|
||
_bfd_write_archive_contents,
|
||
bfd_false,
|
||
},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (ieee),
|
||
BFD_JUMP_TABLE_COPY (_bfd_generic),
|
||
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
||
BFD_JUMP_TABLE_ARCHIVE (ieee),
|
||
BFD_JUMP_TABLE_SYMBOLS (ieee),
|
||
BFD_JUMP_TABLE_RELOCS (ieee),
|
||
BFD_JUMP_TABLE_WRITE (ieee),
|
||
BFD_JUMP_TABLE_LINK (ieee),
|
||
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
||
|
||
(PTR) 0
|
||
};
|