From 071ea11e85eb9d529cc5eb3d35f6247466a21b99 Mon Sep 17 00:00:00 2001 From: Stan Shebs Date: Fri, 16 Apr 1999 01:34:07 +0000 Subject: Initial creation of sourceware repository --- gdb/dsrec.c | 311 ------------------------------------------------------------ 1 file changed, 311 deletions(-) delete mode 100644 gdb/dsrec.c (limited to 'gdb/dsrec.c') diff --git a/gdb/dsrec.c b/gdb/dsrec.c deleted file mode 100644 index 6a40e7e..0000000 --- a/gdb/dsrec.c +++ /dev/null @@ -1,311 +0,0 @@ -/* S-record download support for GDB, the GNU debugger. - Copyright 1995, 1996, 1997 Free Software Foundation, Inc. - -This file is part of GDB. - -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. */ - -#include "defs.h" -#include "serial.h" -#include "srec.h" -#include - -int (*ui_load_progress_hook) PARAMS ((char *, unsigned long)); -extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t)); - -extern int remote_debug; - -static int make_srec PARAMS ((char *srec, CORE_ADDR targ_addr, bfd *abfd, - asection *sect, int sectoff, int *maxrecsize, - int flags)); - -/* Download an executable by converting it to S records. DESC is a - serial_t to send the data to. FILE is the name of the file to be - loaded. LOAD_OFFSET is the offset into memory to load data into. - It is usually specified by the user and is useful with the a.out - file format. MAXRECSIZE is the length in chars of the largest - S-record the host can accomodate. This is measured from the - starting `S' to the last char of the checksum. FLAGS is various - random flags, and HASHMARK is non-zero to cause a `#' to be - printed out for each record loaded. WAITACK, if non-NULL, is a - function that waits for an acknowledgement after each S-record, - and returns non-zero if the ack is read correctly. */ - -void -load_srec (desc, file, load_offset, maxrecsize, flags, hashmark, waitack) - serial_t desc; - const char *file; - bfd_vma load_offset; - int maxrecsize; - int flags; - int hashmark; - int (*waitack) PARAMS ((void)); -{ - bfd *abfd; - asection *s; - char *srec; - int i; - int reclen; - time_t start_time, end_time; - unsigned long data_count = 0; - - srec = (char *) alloca (maxrecsize + 1); - - abfd = bfd_openr (file, 0); - if (!abfd) - { - printf_filtered ("Unable to open file %s\n", file); - return; - } - - if (bfd_check_format (abfd, bfd_object) == 0) - { - printf_filtered ("File is not an object file\n"); - return; - } - - start_time = time (NULL); - - /* Write a type 0 header record. no data for a type 0, and there - is no data, so len is 0. */ - - reclen = maxrecsize; - make_srec (srec, 0, NULL, (asection *)1, 0, &reclen, flags); - if (remote_debug) - { - srec[reclen] = '\0'; - puts_debug ("sent -->", srec, "<--"); - } - SERIAL_WRITE (desc, srec, reclen); - - for (s = abfd->sections; s; s = s->next) - if (s->flags & SEC_LOAD) - { - int numbytes; - bfd_vma addr = bfd_get_section_vma (abfd, s) + load_offset; - bfd_size_type size = bfd_get_section_size_before_reloc (s); - char * section_name = (char *)bfd_get_section_name (abfd, s); - printf_filtered ("%s\t: 0x%08x .. 0x%08x ", - section_name, (int) addr, (int) addr + size); - gdb_flush (gdb_stdout); - - data_count += size; - - for (i = 0; i < size; i += numbytes) - { - reclen = maxrecsize; - numbytes = make_srec (srec, (CORE_ADDR) (addr + i), abfd, s, - i, &reclen, flags); - - if (remote_debug) - { - srec[reclen] = '\0'; - puts_debug ("sent -->", srec, "<--"); - } - - /* Repeatedly send the S-record until a good - acknowledgement is sent back. */ - do - { - SERIAL_WRITE (desc, srec, reclen); - if (ui_load_progress_hook) - if (ui_load_progress_hook (section_name, (unsigned long) i)) - error ("Canceled the download"); - } - while (waitack != NULL && !waitack ()); - - if (hashmark) - { - putchar_unfiltered ('#'); - gdb_flush (gdb_stdout); - } - } /* Per-packet (or S-record) loop */ - - if (ui_load_progress_hook) - if (ui_load_progress_hook (section_name, (unsigned long) i)) - error ("Canceled the download"); - putchar_unfiltered ('\n'); - } - - if (hashmark) - putchar_unfiltered ('\n'); - - end_time = time (NULL); - - /* Write a terminator record. */ - - reclen = maxrecsize; - make_srec (srec, abfd->start_address, NULL, NULL, 0, &reclen, flags); - - if (remote_debug) - { - srec[reclen] = '\0'; - puts_debug ("sent -->", srec, "<--"); - } - - SERIAL_WRITE (desc, srec, reclen); - - /* Some monitors need these to wake up properly. (Which ones? -sts) */ - SERIAL_WRITE (desc, "\r\r", 2); - puts_debug ("sent -->", "\r\r", "<---"); - - SERIAL_FLUSH_INPUT (desc); - - report_transfer_performance (data_count, start_time, end_time); -} - -/* - * make_srec -- make an srecord. This writes each line, one at a - * time, each with it's own header and trailer line. - * An srecord looks like this: - * - * byte count-+ address - * start ---+ | | data +- checksum - * | | | | - * S01000006F6B692D746573742E73726563E4 - * S315000448600000000000000000FC00005900000000E9 - * S31A0004000023C1400037DE00F023604000377B009020825000348D - * S30B0004485A0000000000004E - * S70500040000F6 - * - * S
- * - * Where - * - length - * is the number of bytes following upto the checksum. Note that - * this is not the number of chars following, since it takes two - * chars to represent a byte. - * - type - * is one of: - * 0) header record - * 1) two byte address data record - * 2) three byte address data record - * 3) four byte address data record - * 7) four byte address termination record - * 8) three byte address termination record - * 9) two byte address termination record - * - * - address - * is the start address of the data following, or in the case of - * a termination record, the start address of the image - * - data - * is the data. - * - checksum - * is the sum of all the raw byte data in the record, from the length - * upwards, modulo 256 and subtracted from 255. - * - * This routine returns the length of the S-record. - * - */ - -static int -make_srec (srec, targ_addr, abfd, sect, sectoff, maxrecsize, flags) - char *srec; - CORE_ADDR targ_addr; - bfd *abfd; - asection *sect; - int sectoff; - int *maxrecsize; - int flags; -{ - unsigned char checksum; - int tmp; - const static char hextab[] = "0123456789ABCDEF"; - const static char data_code_table[] = "123"; - const static char term_code_table[] = "987"; - const static char header_code_table[] = "000"; - const static char *formats[] = { "S%c%02X%04X", - "S%c%02X%06X", - "S%c%02X%08X" }; - char const *code_table; - int addr_size; - int payload_size; - char *binbuf; - char *p; - - if (sect) - { - tmp = flags; /* Data or header record */ - code_table = abfd ? data_code_table : header_code_table; - binbuf = alloca (*maxrecsize/2); - } - else - { - tmp = flags >> SREC_TERM_SHIFT; /* Term record */ - code_table = term_code_table; - } - - if ((tmp & SREC_2_BYTE_ADDR) && (targ_addr <= 0xffff)) - addr_size = 2; - else if ((tmp & SREC_3_BYTE_ADDR) && (targ_addr <= 0xffffff)) - addr_size = 3; - else if (tmp & SREC_4_BYTE_ADDR) - addr_size = 4; - else - fatal ("make_srec: Bad address (0x%x), or bad flags (0x%x).", - targ_addr, flags); - - /* Now that we know the address size, we can figure out how much - data this record can hold. */ - - if (sect && abfd) - { - payload_size = (*maxrecsize - (1 + 1 + 2 + addr_size * 2 + 2)) / 2; - payload_size = min (payload_size, sect->_raw_size - sectoff); - - bfd_get_section_contents (abfd, sect, binbuf, sectoff, payload_size); - } - else - payload_size = 0; /* Term or header packets have no payload */ - - /* Output the header. */ - - sprintf (srec, formats[addr_size - 2], code_table[addr_size - 2], - addr_size + payload_size + 1, targ_addr); - - /* Note that the checksum is calculated on the raw data, not the - hexified data. It includes the length, address and the data - portions of the packet. */ - - checksum = 0; - - checksum += (payload_size + addr_size + 1 /* Packet length */ - + (targ_addr & 0xff) /* Address... */ - + ((targ_addr >> 8) & 0xff) - + ((targ_addr >> 16) & 0xff) - + ((targ_addr >> 24) & 0xff)); - - p = srec + 1 + 1 + 2 + addr_size * 2; - - /* Build the Srecord. */ - for (tmp = 0; tmp < payload_size; tmp++) - { - unsigned char k; - - k = binbuf[tmp]; - *p++ = hextab [k >> 4]; - *p++ = hextab [k & 0xf]; - checksum += k; - } - - checksum = ~checksum; - - *p++ = hextab[checksum >> 4]; - *p++ = hextab[checksum & 0xf]; - *p++ = '\r'; - - *maxrecsize = p - srec; - return payload_size; -} -- cgit v1.1