mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
5f8a318830
* symtab.h: Replace #include "gdb_obstack.h" with opaque declaration. * cli/cli-cmds.c, cli/cli-script.c: Include "gdb_string.h". * gnu-v3-abi.c, arc-tdep.c, cli/cli-decode.c: Ditto. * avr-tdep.c, mon960-rom.c, i960-tdep.c: Ditto. * arch-utils.c, cli/cli-setshow.c: Unconditionally include "gdb_string.h". * Makefile.in (cli-script.o, cli-cmds.o): Update dependencies. (gnu-v3-abi.o, cli-setshow.o, i960-tdep.o): Ditto. (cli-decode.o, mi-cmd-var.o, mi-cmd-disas.o): Ditto. (avr-tdep.o, mon960-rom.o): Ditto. (aout_stabs_gnu_h): Define. (symtab_h): Remove $(gdb_obstack_h).
262 lines
9.5 KiB
C
262 lines
9.5 KiB
C
/* Remote target glue for the Intel 960 MON960 ROM monitor.
|
|
Copyright 1995, 1996, 1997, 1998, 1999, 2000
|
|
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 "gdbcore.h"
|
|
#include "target.h"
|
|
#include "monitor.h"
|
|
#include "serial.h"
|
|
#include "srec.h"
|
|
#include "xmodem.h"
|
|
#include "symtab.h"
|
|
#include "symfile.h" /* for generic_load */
|
|
#include "inferior.h" /* for write_pc() */
|
|
#include "gdb_string.h"
|
|
|
|
#define USE_GENERIC_LOAD
|
|
|
|
static struct target_ops mon960_ops;
|
|
|
|
static void mon960_open (char *args, int from_tty);
|
|
|
|
#ifdef USE_GENERIC_LOAD
|
|
|
|
static void
|
|
mon960_load_gen (char *filename, int from_tty)
|
|
{
|
|
generic_load (filename, from_tty);
|
|
/* Finally, make the PC point at the start address */
|
|
if (exec_bfd)
|
|
write_pc (bfd_get_start_address (exec_bfd));
|
|
|
|
inferior_ptid = null_ptid; /* No process now */
|
|
}
|
|
|
|
#else
|
|
|
|
static void
|
|
mon960_load (struct serial *desc, char *file, int hashmark)
|
|
{
|
|
bfd *abfd;
|
|
asection *s;
|
|
char *buffer;
|
|
int i;
|
|
|
|
buffer = alloca (XMODEM_PACKETSIZE);
|
|
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;
|
|
}
|
|
for (s = abfd->sections; s; s = s->next)
|
|
if (s->flags & SEC_LOAD)
|
|
{
|
|
bfd_size_type section_size;
|
|
printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
|
|
s->vma + s->_raw_size);
|
|
gdb_flush (gdb_stdout);
|
|
monitor_printf (current_monitor->load, s->vma);
|
|
if (current_monitor->loadresp)
|
|
monitor_expect (current_monitor->loadresp, NULL, 0);
|
|
xmodem_init_xfer (desc);
|
|
section_size = bfd_section_size (abfd, s);
|
|
for (i = 0; i < section_size; i += XMODEM_DATASIZE)
|
|
{
|
|
int numbytes;
|
|
numbytes = min (XMODEM_DATASIZE, section_size - i);
|
|
bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
|
|
numbytes);
|
|
xmodem_send_packet (desc, buffer, numbytes, hashmark);
|
|
if (hashmark)
|
|
{
|
|
putchar_unfiltered ('#');
|
|
gdb_flush (gdb_stdout);
|
|
}
|
|
} /* Per-packet (or S-record) loop */
|
|
xmodem_finish_xfer (desc);
|
|
monitor_expect_prompt (NULL, 0);
|
|
putchar_unfiltered ('\n');
|
|
} /* Loadable sections */
|
|
if (hashmark)
|
|
putchar_unfiltered ('\n');
|
|
}
|
|
|
|
#endif /* USE_GENERIC_LOAD */
|
|
|
|
/* This array of registers need to match the indexes used by GDB.
|
|
This exists because the various ROM monitors use different strings
|
|
than does GDB, and don't necessarily support all the registers
|
|
either. So, typing "info reg sp" becomes a "r30". */
|
|
|
|
/* these correspond to the offsets from tm-* files from config directories */
|
|
/* g0-g14, fp, pfp, sp, rip,r3-15, pc, ac, tc, fp0-3 */
|
|
/* NOTE: "ip" is documented as "ir" in the Mon960 UG. */
|
|
/* NOTE: "ir" can't be accessed... but there's an ip and rip. */
|
|
static char *full_regnames[NUM_REGS] =
|
|
{
|
|
/* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7",
|
|
/* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
|
|
/* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
|
|
/* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp",
|
|
/* 32 */ "pc", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",
|
|
};
|
|
|
|
static char *mon960_regnames[NUM_REGS];
|
|
|
|
/* Define the monitor command strings. Since these are passed directly
|
|
through to a printf style function, we may include formatting
|
|
strings. We also need a CR or LF on the end. */
|
|
|
|
/* need to pause the monitor for timing reasons, so slow it down */
|
|
|
|
#if 0
|
|
/* FIXME: this extremely long init string causes MON960 to return two NAKS
|
|
instead of performing the autobaud recognition, at least when gdb
|
|
is running on GNU/Linux. The short string below works on Linux, and on
|
|
SunOS using a tcp serial connection. Must retest on SunOS using a
|
|
direct serial connection; if that works, get rid of the long string. */
|
|
static char *mon960_inits[] =
|
|
{"\n\r\r\r\r\r\r\r\r\r\r\r\r\r\r\n\r\n\r\n", NULL};
|
|
#else
|
|
static char *mon960_inits[] =
|
|
{"\r", NULL};
|
|
#endif
|
|
|
|
static struct monitor_ops mon960_cmds;
|
|
|
|
static void
|
|
init_mon960_cmds (void)
|
|
{
|
|
mon960_cmds.flags = MO_CLR_BREAK_USES_ADDR
|
|
| MO_NO_ECHO_ON_OPEN | MO_SEND_BREAK_ON_STOP | MO_GETMEM_READ_SINGLE; /* flags */
|
|
mon960_cmds.init = mon960_inits; /* Init strings */
|
|
mon960_cmds.cont = "go\n\r"; /* continue command */
|
|
mon960_cmds.step = "st\n\r"; /* single step */
|
|
mon960_cmds.stop = NULL; /* break interrupts the program */
|
|
mon960_cmds.set_break = NULL; /* set a breakpoint */
|
|
mon960_cmds.clr_break = /* can't use "br" because only 2 hw bps are supported */
|
|
mon960_cmds.clr_all_break = NULL; /* clear a breakpoint - "de" is for hw bps */
|
|
NULL, /* clear all breakpoints */
|
|
mon960_cmds.fill = NULL; /* fill (start end val) */
|
|
/* can't use "fi" because it takes words, not bytes */
|
|
/* can't use "mb", "md" or "mo" because they require interaction */
|
|
mon960_cmds.setmem.cmdb = NULL; /* setmem.cmdb (addr, value) */
|
|
mon960_cmds.setmem.cmdw = NULL; /* setmem.cmdw (addr, value) */
|
|
mon960_cmds.setmem.cmdl = "md %x %x\n\r"; /* setmem.cmdl (addr, value) */
|
|
mon960_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
|
|
mon960_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
|
|
mon960_cmds.setmem.term = NULL; /* setmem.term */
|
|
mon960_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
|
|
/* since the parsing of multiple bytes is difficult due to
|
|
interspersed addresses, we'll only read 1 value at a time,
|
|
even tho these can handle a count */
|
|
mon960_cmds.getmem.cmdb = "db %x\n\r"; /* getmem.cmdb (addr, #bytes) */
|
|
mon960_cmds.getmem.cmdw = "ds %x\n\r"; /* getmem.cmdw (addr, #swords) */
|
|
mon960_cmds.getmem.cmdl = "di %x\n\r"; /* getmem.cmdl (addr, #words) */
|
|
mon960_cmds.getmem.cmdll = "dd %x\n\r"; /* getmem.cmdll (addr, #dwords) */
|
|
mon960_cmds.getmem.resp_delim = " : "; /* getmem.resp_delim */
|
|
mon960_cmds.getmem.term = NULL; /* getmem.term */
|
|
mon960_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
|
|
mon960_cmds.setreg.cmd = "md %s %x\n\r"; /* setreg.cmd (name, value) */
|
|
mon960_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
|
|
mon960_cmds.setreg.term = NULL; /* setreg.term */
|
|
mon960_cmds.setreg.term_cmd = NULL, /* setreg.term_cmd */
|
|
mon960_cmds.getreg.cmd = "di %s\n\r"; /* getreg.cmd (name) */
|
|
mon960_cmds.getreg.resp_delim = " : "; /* getreg.resp_delim */
|
|
mon960_cmds.getreg.term = NULL; /* getreg.term */
|
|
mon960_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
|
|
mon960_cmds.dump_registers = "re\n\r"; /* dump_registers */
|
|
mon960_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
|
|
mon960_cmds.supply_register = NULL; /* supply_register */
|
|
#ifdef USE_GENERIC_LOAD
|
|
mon960_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
|
|
mon960_cmds.load = NULL; /* download command */
|
|
mon960_cmds.loadresp = NULL; /* load response */
|
|
#else
|
|
mon960_cmds.load_routine = mon960_load; /* load_routine (defaults to SRECs) */
|
|
mon960_cmds.load = "do\n\r"; /* download command */
|
|
mon960_cmds.loadresp = "Downloading\n\r"; /* load response */
|
|
#endif
|
|
mon960_cmds.prompt = "=>"; /* monitor command prompt */
|
|
mon960_cmds.line_term = "\n\r"; /* end-of-command delimitor */
|
|
mon960_cmds.cmd_end = NULL; /* optional command terminator */
|
|
mon960_cmds.target = &mon960_ops; /* target operations */
|
|
mon960_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
|
|
mon960_cmds.regnames = mon960_regnames; /* registers names */
|
|
mon960_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
|
|
};
|
|
|
|
static void
|
|
mon960_open (char *args, int from_tty)
|
|
{
|
|
char buf[64];
|
|
|
|
monitor_open (args, &mon960_cmds, from_tty);
|
|
|
|
/* Attempt to fetch the value of the first floating point register (fp0).
|
|
If the monitor returns a string containing the word "Bad" we'll assume
|
|
this processor has no floating point registers, and nullify the
|
|
regnames entries that refer to FP registers. */
|
|
|
|
monitor_printf (mon960_cmds.getreg.cmd, full_regnames[FP0_REGNUM]); /* di fp0 */
|
|
if (monitor_expect_prompt (buf, sizeof (buf)) != -1)
|
|
if (strstr (buf, "Bad") != NULL)
|
|
{
|
|
int i;
|
|
|
|
for (i = FP0_REGNUM; i < FP0_REGNUM + 4; i++)
|
|
mon960_regnames[i] = NULL;
|
|
}
|
|
}
|
|
|
|
void
|
|
_initialize_mon960 (void)
|
|
{
|
|
memcpy (mon960_regnames, full_regnames, sizeof (full_regnames));
|
|
|
|
init_mon960_cmds ();
|
|
|
|
init_monitor_ops (&mon960_ops);
|
|
|
|
mon960_ops.to_shortname = "mon960"; /* for the target command */
|
|
mon960_ops.to_longname = "Intel 960 MON960 monitor";
|
|
#ifdef USE_GENERIC_LOAD
|
|
mon960_ops.to_load = mon960_load_gen; /* FIXME - should go back and try "do" */
|
|
#endif
|
|
/* use SW breaks; target only supports 2 HW breakpoints */
|
|
mon960_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
|
mon960_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
|
|
|
mon960_ops.to_doc =
|
|
"Use an Intel 960 board running the MON960 debug monitor.\n\
|
|
Specify the serial device it is connected to (e.g. /dev/ttya).";
|
|
|
|
mon960_ops.to_open = mon960_open;
|
|
add_target (&mon960_ops);
|
|
}
|