From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 3 May 1999 07:29:11 +0000 Subject: 19990502 sourceware import --- bfd/ihex.c | 1041 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1041 insertions(+) create mode 100644 bfd/ihex.c (limited to 'bfd/ihex.c') diff --git a/bfd/ihex.c b/bfd/ihex.c new file mode 100644 index 0000000..b9953d3 --- /dev/null +++ b/bfd/ihex.c @@ -0,0 +1,1041 @@ +/* BFD back-end for Intel Hex objects. + Copyright 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Written by Ian Lance Taylor of Cygnus Support . + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* This is what Intel Hex files look like: + +1. INTEL FORMATS + +A. Intel 1 + + 16-bit address-field format, for files 64k bytes in length or less. + + DATA RECORD + Byte 1 Header = colon(:) + 2..3 The number of data bytes in hex notation + 4..5 High byte of the record load address + 6..7 Low byte of the record load address + 8..9 Record type, must be "00" + 10..x Data bytes in hex notation: + x = (number of bytes - 1) * 2 + 11 + x+1..x+2 Checksum in hex notation + x+3..x+4 Carriage return, line feed + + END RECORD + Byte 1 Header = colon (:) + 2..3 The byte count, must be "00" + 4..7 Transfer-address (usually "0000") + the jump-to address, execution start address + 8..9 Record type, must be "01" + 10..11 Checksum, in hex notation + 12..13 Carriage return, line feed + +B. INTEL 2 + + MCS-86 format, using a 20-bit address for files larger than 64K bytes. + + DATA RECORD + Byte 1 Header = colon (:) + 2..3 The byte count of this record, hex notation + 4..5 High byte of the record load address + 6..7 Low byte of the record load address + 8..9 Record type, must be "00" + 10..x The data bytes in hex notation: + x = (number of data bytes - 1) * 2 + 11 + x+1..x+2 Checksum in hex notation + x+3..x+4 Carriage return, line feed + + EXTENDED ADDRESS RECORD + Byte 1 Header = colon(:) + 2..3 The byte count, must be "02" + 4..7 Load address, must be "0000" + 8..9 Record type, must be "02" + 10..11 High byte of the offset address + 12..13 Low byte of the offset address + 14..15 Checksum in hex notation + 16..17 Carriage return, line feed + + The checksums are the two's complement of the 8-bit sum + without carry of the byte count, offset address, and the + record type. + + START ADDRESS RECORD + Byte 1 Header = colon (:) + 2..3 The byte count, must be "04" + 4..7 Load address, must be "0000" + 8..9 Record type, must be "03" + 10..13 8086 CS value + 14..17 8086 IP value + 18..19 Checksum in hex notation + 20..21 Carriage return, line feed + +Another document reports these additional types: + + EXTENDED LINEAR ADDRESS RECORD + Byte 1 Header = colon (:) + 2..3 The byte count, must be "02" + 4..7 Load address, must be "0000" + 8..9 Record type, must be "04" + 10..13 Upper 16 bits of address of subsequent records + 14..15 Checksum in hex notation + 16..17 Carriage return, line feed + + START LINEAR ADDRESS RECORD + Byte 1 Header = colon (:) + 2..3 The byte count, must be "02" + 4..7 Load address, must be "0000" + 8..9 Record type, must be "05" + 10..13 Upper 16 bits of start address + 14..15 Checksum in hex notation + 16..17 Carriage return, line feed + +The MRI compiler uses this, which is a repeat of type 5: + + EXTENDED START RECORD + Byte 1 Header = colon (:) + 2..3 The byte count, must be "04" + 4..7 Load address, must be "0000" + 8..9 Record type, must be "05" + 10..13 Upper 16 bits of start address + 14..17 Lower 16 bits of start address + 18..19 Checksum in hex notation + 20..21 Carriage return, line feed +*/ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "libiberty.h" + +#include + +static void ihex_init PARAMS ((void)); +static boolean ihex_mkobject PARAMS ((bfd *)); +static INLINE int ihex_get_byte PARAMS ((bfd *, boolean *)); +static void ihex_bad_byte PARAMS ((bfd *, unsigned int, int, boolean)); +static boolean ihex_scan PARAMS ((bfd *)); +static const bfd_target *ihex_object_p PARAMS ((bfd *)); +static boolean ihex_read_section PARAMS ((bfd *, asection *, bfd_byte *)); +static boolean ihex_get_section_contents + PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); +static boolean ihex_set_section_contents + PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); +static boolean ihex_write_record + PARAMS ((bfd *, bfd_size_type, bfd_vma, unsigned int, bfd_byte *)); +static boolean ihex_write_object_contents PARAMS ((bfd *)); +static asymbol *ihex_make_empty_symbol PARAMS ((bfd *)); +static boolean ihex_set_arch_mach + PARAMS ((bfd *, enum bfd_architecture, unsigned long)); +static int ihex_sizeof_headers PARAMS ((bfd *, boolean)); + +/* The number of bytes we put on one line during output. */ + +#define CHUNK (21) + +/* Macros for converting between hex and binary. */ + +#define NIBBLE(x) (hex_value (x)) +#define HEX2(buffer) ((NIBBLE ((buffer)[0]) << 4) + NIBBLE ((buffer)[1])) +#define HEX4(buffer) ((HEX2 (buffer) << 8) + HEX2 ((buffer) + 2)) +#define ISHEX(x) (hex_p (x)) + +/* When we write out an ihex value, the values can not be output as + they are seen. Instead, we hold them in memory in this structure. */ + +struct ihex_data_list +{ + struct ihex_data_list *next; + bfd_byte *data; + bfd_vma where; + bfd_size_type size; +}; + +/* The ihex tdata information. */ + +struct ihex_data_struct +{ + struct ihex_data_list *head; + struct ihex_data_list *tail; +}; + +/* Initialize by filling in the hex conversion array. */ + +static void +ihex_init () +{ + static boolean inited; + + if (! inited) + { + inited = true; + hex_init (); + } +} + +/* Create an ihex object. */ + +static boolean +ihex_mkobject (abfd) + bfd *abfd; +{ + if (abfd->tdata.ihex_data == NULL) + { + struct ihex_data_struct *tdata; + + tdata = ((struct ihex_data_struct *) + bfd_alloc (abfd, sizeof (struct ihex_data_struct))); + if (tdata == NULL) + return false; + abfd->tdata.ihex_data = tdata; + tdata->head = NULL; + tdata->tail = NULL; + } + + return true; +} + +/* Read a byte from a BFD. Set *ERRORPTR if an error occurred. + Return EOF on error or end of file. */ + +static INLINE int +ihex_get_byte (abfd, errorptr) + bfd *abfd; + boolean *errorptr; +{ + bfd_byte c; + + if (bfd_read (&c, 1, 1, abfd) != 1) + { + if (bfd_get_error () != bfd_error_file_truncated) + *errorptr = true; + return EOF; + } + + return (int) (c & 0xff); +} + +/* Report a problem in an Intel Hex file. */ + +static void +ihex_bad_byte (abfd, lineno, c, error) + bfd *abfd; + unsigned int lineno; + int c; + boolean error; +{ + if (c == EOF) + { + if (! error) + bfd_set_error (bfd_error_file_truncated); + } + else + { + char buf[10]; + + if (! isprint (c)) + sprintf (buf, "\\%03o", (unsigned int) c); + else + { + buf[0] = c; + buf[1] = '\0'; + } + (*_bfd_error_handler) + (_("%s:%d: unexpected character `%s' in Intel Hex file\n"), + bfd_get_filename (abfd), lineno, buf); + bfd_set_error (bfd_error_bad_value); + } +} + +/* Read an Intel hex file and turn it into sections. We create a new + section for each contiguous set of bytes. */ + +static boolean +ihex_scan (abfd) + bfd *abfd; +{ + bfd_vma segbase; + bfd_vma extbase; + asection *sec; + int lineno; + boolean error; + bfd_byte *buf = NULL; + size_t bufsize; + int c; + + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) + goto error_return; + + abfd->start_address = 0; + + segbase = 0; + extbase = 0; + sec = NULL; + lineno = 1; + error = false; + bufsize = 0; + while ((c = ihex_get_byte (abfd, &error)) != EOF) + { + if (c == '\r') + continue; + else if (c == '\n') + { + ++lineno; + continue; + } + else if (c != ':') + { + ihex_bad_byte (abfd, lineno, c, error); + goto error_return; + } + else + { + file_ptr pos; + char hdr[8]; + unsigned int i; + unsigned int len; + bfd_vma addr; + unsigned int type; + unsigned int chars; + unsigned int chksum; + + /* This is a data record. */ + + pos = bfd_tell (abfd) - 1; + + /* Read the header bytes. */ + + if (bfd_read (hdr, 1, 8, abfd) != 8) + goto error_return; + + for (i = 0; i < 8; i++) + { + if (! ISHEX (hdr[i])) + { + ihex_bad_byte (abfd, lineno, hdr[i], error); + goto error_return; + } + } + + len = HEX2 (hdr); + addr = HEX4 (hdr + 2); + type = HEX2 (hdr + 6); + + /* Read the data bytes. */ + + chars = len * 2 + 2; + if (chars >= bufsize) + { + buf = (bfd_byte *) bfd_realloc (buf, chars); + if (buf == NULL) + goto error_return; + bufsize = chars; + } + + if (bfd_read (buf, 1, chars, abfd) != chars) + goto error_return; + + for (i = 0; i < chars; i++) + { + if (! ISHEX (buf[i])) + { + ihex_bad_byte (abfd, lineno, hdr[i], error); + goto error_return; + } + } + + /* Check the checksum. */ + chksum = len + addr + (addr >> 8) + type; + for (i = 0; i < len; i++) + chksum += HEX2 (buf + 2 * i); + if (((- chksum) & 0xff) != (unsigned int) HEX2 (buf + 2 * i)) + { + (*_bfd_error_handler) + (_("%s:%d: bad checksum in Intel Hex file (expected %u, found %u)"), + bfd_get_filename (abfd), lineno, + (- chksum) & 0xff, (unsigned int) HEX2 (buf + 2 * i)); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + switch (type) + { + case 0: + /* This is a data record. */ + if (sec != NULL + && sec->vma + sec->_raw_size == extbase + segbase + addr) + { + /* This data goes at the end of the section we are + currently building. */ + sec->_raw_size += len; + } + else if (len > 0) + { + char secbuf[20]; + char *secname; + + sprintf (secbuf, ".sec%d", bfd_count_sections (abfd) + 1); + secname = (char *) bfd_alloc (abfd, strlen (secbuf) + 1); + if (secname == NULL) + goto error_return; + strcpy (secname, secbuf); + sec = bfd_make_section (abfd, secname); + if (sec == NULL) + goto error_return; + sec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; + sec->vma = extbase + segbase + addr; + sec->lma = extbase + segbase + addr; + sec->_raw_size = len; + sec->filepos = pos; + } + break; + + case 1: + /* An end record. */ + if (abfd->start_address == 0) + abfd->start_address = addr; + if (buf != NULL) + free (buf); + return true; + + case 2: + /* An extended address record. */ + if (len != 2) + { + (*_bfd_error_handler) + (_("%s:%d: bad extended address record length in Intel Hex file"), + bfd_get_filename (abfd), lineno); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + segbase = HEX4 (buf) << 4; + + sec = NULL; + + break; + + case 3: + /* An extended start address record. */ + if (len != 4) + { + (*_bfd_error_handler) + (_("%s:%d: bad extended start address length in Intel Hex file"), + bfd_get_filename (abfd), lineno); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + abfd->start_address += (HEX4 (buf) << 4) + HEX4 (buf + 4); + + sec = NULL; + + break; + + case 4: + /* An extended linear address record. */ + if (len != 2) + { + (*_bfd_error_handler) + (_("%s:%d: bad extended linear address record length in Intel Hex file"), + bfd_get_filename (abfd), lineno); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + extbase = HEX4 (buf) << 16; + + sec = NULL; + + break; + + case 5: + /* An extended linear start address record. */ + if (len != 2 && len != 4) + { + (*_bfd_error_handler) + (_("%s:%d: bad extended linear start address length in Intel Hex file"), + bfd_get_filename (abfd), lineno); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + if (len == 2) + abfd->start_address += HEX4 (buf) << 16; + else + abfd->start_address = (HEX4 (buf) << 16) + HEX4 (buf + 4); + + sec = NULL; + + break; + + default: + (*_bfd_error_handler) + (_("%s:%d: unrecognized ihex type %u in Intel Hex file\n"), + bfd_get_filename (abfd), lineno, type); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + } + } + + if (error) + goto error_return; + + if (buf != NULL) + free (buf); + + return true; + + error_return: + if (buf != NULL) + free (buf); + return false; +} + +/* Try to recognize an Intel Hex file. */ + +static const bfd_target * +ihex_object_p (abfd) + bfd *abfd; +{ + bfd_byte b[9]; + unsigned int i; + unsigned int type; + + ihex_init (); + + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) + return NULL; + if (bfd_read (b, 1, 9, abfd) != 9) + { + if (bfd_get_error () == bfd_error_file_truncated) + bfd_set_error (bfd_error_wrong_format); + return NULL; + } + + if (b[0] != ':') + { + bfd_set_error (bfd_error_wrong_format); + return NULL; + } + + for (i = 1; i < 9; i++) + { + if (! ISHEX (b[i])) + { + bfd_set_error (bfd_error_wrong_format); + return NULL; + } + } + + type = HEX2 (b + 7); + if (type > 5) + { + bfd_set_error (bfd_error_wrong_format); + return NULL; + } + + /* OK, it looks like it really is an Intel Hex file. */ + + if (! ihex_mkobject (abfd) + || ! ihex_scan (abfd)) + return NULL; + + return abfd->xvec; +} + +/* Read the contents of a section in an Intel Hex file. */ + +static boolean +ihex_read_section (abfd, section, contents) + bfd *abfd; + asection *section; + bfd_byte *contents; +{ + int c; + bfd_byte *p; + bfd_byte *buf = NULL; + size_t bufsize; + boolean error; + + if (bfd_seek (abfd, section->filepos, SEEK_SET) != 0) + goto error_return; + + p = contents; + bufsize = 0; + error = false; + while ((c = ihex_get_byte (abfd, &error)) != EOF) + { + char hdr[8]; + unsigned int len; + bfd_vma addr; + unsigned int type; + unsigned int i; + + if (c == '\r' || c == '\n') + continue; + + /* This is called after ihex_scan has succeeded, so we ought to + know the exact format. */ + BFD_ASSERT (c == ':'); + + if (bfd_read (hdr, 1, 8, abfd) != 8) + goto error_return; + + len = HEX2 (hdr); + addr = HEX4 (hdr + 2); + type = HEX2 (hdr + 6); + + /* We should only see type 0 records here. */ + if (type != 0) + { + (*_bfd_error_handler) + (_("%s: internal error in ihex_read_section"), + bfd_get_filename (abfd)); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + if (len * 2 > bufsize) + { + buf = (bfd_byte *) bfd_realloc (buf, len * 2); + if (buf == NULL) + goto error_return; + bufsize = len * 2; + } + + if (bfd_read (buf, 1, len * 2, abfd) != len * 2) + goto error_return; + + for (i = 0; i < len; i++) + *p++ = HEX2 (buf + 2 * i); + if ((bfd_size_type) (p - contents) >= section->_raw_size) + { + /* We've read everything in the section. */ + if (buf != NULL) + free (buf); + return true; + } + + /* Skip the checksum. */ + if (bfd_read (buf, 1, 2, abfd) != 2) + goto error_return; + } + + if ((bfd_size_type) (p - contents) < section->_raw_size) + { + (*_bfd_error_handler) + (_("%s: bad section length in ihex_read_section"), + bfd_get_filename (abfd)); + bfd_set_error (bfd_error_bad_value); + goto error_return; + } + + if (buf != NULL) + free (buf); + + return true; + + error_return: + if (buf != NULL) + free (buf); + return false; +} + +/* Get the contents of a section in an Intel Hex file. */ + +static boolean +ihex_get_section_contents (abfd, section, location, offset, count) + bfd *abfd; + asection *section; + PTR location; + file_ptr offset; + bfd_size_type count; +{ + if (section->used_by_bfd == NULL) + { + section->used_by_bfd = bfd_alloc (abfd, section->_raw_size); + if (section->used_by_bfd == NULL) + return false; + if (! ihex_read_section (abfd, section, section->used_by_bfd)) + return false; + } + + memcpy (location, (bfd_byte *) section->used_by_bfd + offset, + (size_t) count); + + return true; +} + +/* Set the contents of a section in an Intel Hex file. */ + +static boolean +ihex_set_section_contents (abfd, section, location, offset, count) + bfd *abfd; + asection *section; + PTR location; + file_ptr offset; + bfd_size_type count; +{ + struct ihex_data_list *n; + bfd_byte *data; + struct ihex_data_struct *tdata; + + if (count == 0 + || (section->flags & SEC_ALLOC) == 0 + || (section->flags & SEC_LOAD) == 0) + return true; + + n = ((struct ihex_data_list *) + bfd_alloc (abfd, sizeof (struct ihex_data_list))); + if (n == NULL) + return false; + + data = (bfd_byte *) bfd_alloc (abfd, count); + if (data == NULL) + return false; + memcpy (data, location, (size_t) count); + + n->data = data; + n->where = section->lma + offset; + n->size = count; + + /* Sort the records by address. Optimize for the common case of + adding a record to the end of the list. */ + tdata = abfd->tdata.ihex_data; + if (tdata->tail != NULL + && n->where >= tdata->tail->where) + { + tdata->tail->next = n; + n->next = NULL; + tdata->tail = n; + } + else + { + register struct ihex_data_list **pp; + + for (pp = &tdata->head; + *pp != NULL && (*pp)->where < n->where; + pp = &(*pp)->next) + ; + n->next = *pp; + *pp = n; + if (n->next == NULL) + tdata->tail = n; + } + + return true; +} + +/* Write a record out to an Intel Hex file. */ + +static boolean +ihex_write_record (abfd, count, addr, type, data) + bfd *abfd; + bfd_size_type count; + bfd_vma addr; + unsigned int type; + bfd_byte *data; +{ + static const char digs[] = "0123456789ABCDEF"; + char buf[9 + CHUNK * 2 + 4]; + char *p; + unsigned int chksum; + unsigned int i; + +#define TOHEX(buf, v) \ + ((buf)[0] = digs[((v) >> 4) & 0xf], (buf)[1] = digs[(v) & 0xf]) + + buf[0] = ':'; + TOHEX (buf + 1, count); + TOHEX (buf + 3, (addr >> 8) & 0xff); + TOHEX (buf + 5, addr & 0xff); + TOHEX (buf + 7, type); + + chksum = count + addr + (addr >> 8) + type; + + for (i = 0, p = buf + 9; i < count; i++, p += 2, data++) + { + TOHEX (p, *data); + chksum += *data; + } + + TOHEX (p, (- chksum) & 0xff); + p[2] = '\r'; + p[3] = '\n'; + + if (bfd_write (buf, 1, 9 + count * 2 + 4, abfd) != 9 + count * 2 + 4) + return false; + + return true; +} + +/* Write out an Intel Hex file. */ + +static boolean +ihex_write_object_contents (abfd) + bfd *abfd; +{ + bfd_vma segbase; + bfd_vma extbase; + struct ihex_data_list *l; + + segbase = 0; + extbase = 0; + for (l = abfd->tdata.ihex_data->head; l != NULL; l = l->next) + { + bfd_vma where; + bfd_byte *p; + bfd_size_type count; + + where = l->where; + p = l->data; + count = l->size; + while (count > 0) + { + bfd_size_type now; + + now = count; + if (now > CHUNK) + now = CHUNK; + + if (where > segbase + extbase + 0xffff) + { + bfd_byte addr[2]; + + /* We need a new base address. */ + if (where <= 0xfffff) + { + /* The addresses should be sorted. */ + BFD_ASSERT (extbase == 0); + + segbase = where & 0xf0000; + addr[0] = (bfd_byte)(segbase >> 12) & 0xff; + addr[1] = (bfd_byte)(segbase >> 4) & 0xff; + if (! ihex_write_record (abfd, 2, 0, 2, addr)) + return false; + } + else + { + /* The extended address record and the extended + linear address record are combined, at least by + some readers. We need an extended linear address + record here, so if we've already written out an + extended address record, zero it out to avoid + confusion. */ + if (segbase != 0) + { + addr[0] = 0; + addr[1] = 0; + if (! ihex_write_record (abfd, 2, 0, 2, addr)) + return false; + segbase = 0; + } + + extbase = where & 0xffff0000; + if (where > extbase + 0xffff) + { + char buf[20]; + + sprintf_vma (buf, where); + (*_bfd_error_handler) + (_("%s: address 0x%s out of range for Intex Hex file"), + bfd_get_filename (abfd), buf); + bfd_set_error (bfd_error_bad_value); + return false; + } + addr[0] = (bfd_byte)(extbase >> 24) & 0xff; + addr[1] = (bfd_byte)(extbase >> 16) & 0xff; + if (! ihex_write_record (abfd, 2, 0, 4, addr)) + return false; + } + } + + if (! ihex_write_record (abfd, now, where - (extbase + segbase), + 0, p)) + return false; + + where += now; + p += now; + count -= now; + } + } + + if (abfd->start_address != 0) + { + bfd_vma start; + bfd_byte startbuf[4]; + + start = abfd->start_address; + + if (start <= 0xfffff) + { + startbuf[0] = (bfd_byte)((start & 0xf0000) >> 12) & 0xff; + startbuf[1] = 0; + startbuf[2] = (bfd_byte)(start >> 8) & 0xff; + startbuf[3] = (bfd_byte)start & 0xff; + if (! ihex_write_record (abfd, 4, 0, 3, startbuf)) + return false; + } + else + { + startbuf[0] = (bfd_byte)(start >> 24) & 0xff; + startbuf[1] = (bfd_byte)(start >> 16) & 0xff; + startbuf[2] = (bfd_byte)(start >> 8) & 0xff; + startbuf[3] = (bfd_byte)start & 0xff; + if (! ihex_write_record (abfd, 4, 0, 5, startbuf)) + return false; + } + } + + if (! ihex_write_record (abfd, 0, 0, 1, NULL)) + return false; + + return true; +} + +/* Make an empty symbol. This is required only because + bfd_make_section_anyway wants to create a symbol for the section. */ + +static asymbol * +ihex_make_empty_symbol (abfd) + bfd *abfd; +{ + asymbol *new; + + new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); + if (new != NULL) + new->the_bfd = abfd; + return new; +} + +/* Set the architecture for the output file. The architecture is + irrelevant, so we ignore errors about unknown architectures. */ + +static boolean +ihex_set_arch_mach (abfd, arch, mach) + bfd *abfd; + enum bfd_architecture arch; + unsigned long mach; +{ + if (! bfd_default_set_arch_mach (abfd, arch, mach)) + { + if (arch != bfd_arch_unknown) + return false; + } + return true; +} + +/* Get the size of the headers, for the linker. */ + +/*ARGSUSED*/ +static int +ihex_sizeof_headers (abfd, exec) + bfd *abfd; + boolean exec; +{ + return 0; +} + +/* Some random definitions for the target vector. */ + +#define ihex_close_and_cleanup _bfd_generic_close_and_cleanup +#define ihex_bfd_free_cached_info _bfd_generic_bfd_free_cached_info +#define ihex_new_section_hook _bfd_generic_new_section_hook +#define ihex_get_section_contents_in_window \ + _bfd_generic_get_section_contents_in_window + +#define ihex_get_symtab_upper_bound bfd_0l +#define ihex_get_symtab \ + ((long (*) PARAMS ((bfd *, asymbol **))) bfd_0l) +#define ihex_print_symbol _bfd_nosymbols_print_symbol +#define ihex_get_symbol_info _bfd_nosymbols_get_symbol_info +#define ihex_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name +#define ihex_get_lineno _bfd_nosymbols_get_lineno +#define ihex_find_nearest_line _bfd_nosymbols_find_nearest_line +#define ihex_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol +#define ihex_read_minisymbols _bfd_nosymbols_read_minisymbols +#define ihex_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol + +#define ihex_get_reloc_upper_bound \ + ((long (*) PARAMS ((bfd *, asection *))) bfd_0l) +#define ihex_canonicalize_reloc \ + ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) bfd_0l) +#define ihex_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup + +#define ihex_bfd_get_relocated_section_contents \ + bfd_generic_get_relocated_section_contents +#define ihex_bfd_relax_section bfd_generic_relax_section +#define ihex_bfd_gc_sections bfd_generic_gc_sections +#define ihex_bfd_link_hash_table_create _bfd_generic_link_hash_table_create +#define ihex_bfd_link_add_symbols _bfd_generic_link_add_symbols +#define ihex_bfd_final_link _bfd_generic_final_link +#define ihex_bfd_link_split_section _bfd_generic_link_split_section + +/* The Intel Hex target vector. */ + +const bfd_target ihex_vec = +{ + "ihex", /* name */ + bfd_target_ihex_flavour, + BFD_ENDIAN_UNKNOWN, /* target byte order */ + BFD_ENDIAN_UNKNOWN, /* target headers byte order */ + 0, /* object flags */ + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD), /* 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, + ihex_object_p, /* bfd_check_format */ + _bfd_dummy_target, + _bfd_dummy_target, + }, + { + bfd_false, + ihex_mkobject, + _bfd_generic_mkarchive, + bfd_false, + }, + { /* bfd_write_contents */ + bfd_false, + ihex_write_object_contents, + _bfd_write_archive_contents, + bfd_false, + }, + + BFD_JUMP_TABLE_GENERIC (ihex), + BFD_JUMP_TABLE_COPY (_bfd_generic), + BFD_JUMP_TABLE_CORE (_bfd_nocore), + BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), + BFD_JUMP_TABLE_SYMBOLS (ihex), + BFD_JUMP_TABLE_RELOCS (ihex), + BFD_JUMP_TABLE_WRITE (ihex), + BFD_JUMP_TABLE_LINK (ihex), + BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + + (PTR) 0 +}; -- cgit v1.1