diff options
| -rw-r--r-- | gdb/.Sanitize | 1 | ||||
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/abug-rom.c | 171 |
3 files changed, 179 insertions, 0 deletions
diff --git a/gdb/.Sanitize b/gdb/.Sanitize index c4a10e8..62f7431 100644 --- a/gdb/.Sanitize +++ b/gdb/.Sanitize @@ -98,6 +98,7 @@ README TODO a29k-tdep.c a68v-nat.c +abug-rom.c aclocal.m4 acconfig.h alpha-nat.c diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 8c91703..23de2ea 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +Thu May 9 12:33:32 1996 Rob Savoye <rob@chinadoll.cygnus.com> + + * abug-rom.c: Config file for the older style ABug monitor that + runs on the mvme13x boards. + * config/m68k/monitor.mt: Add abug support for m68k cross + debugging. + Wed May 8 20:33:24 1996 Fred Fish <fnf@cygnus.com> * infcmd.c (do_registers_info): Always print the raw floating diff --git a/gdb/abug-rom.c b/gdb/abug-rom.c new file mode 100644 index 0000000..4c02b96 --- /dev/null +++ b/gdb/abug-rom.c @@ -0,0 +1,171 @@ +/* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger. + Copyright 1995, 1996 Free Software Foundation, Inc. + + Written by Rob Savoye of Cygnus Support + +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" + +static void abug_open PARAMS ((char *args, int from_tty)); + +static void +abug_supply_register (regname, regnamelen, val, vallen) + char *regname; + int regnamelen; + char *val; + int vallen; +{ + int regno; + + if (regnamelen != 2) + return; + + switch (regname[0]) + { + case 'S': + if (regname[1] != 'R') + return; + regno = PS_REGNUM; + break; + case 'P': + if (regname[1] != 'C') + return; + regno = PC_REGNUM; + break; + case 'D': + if (regname[1] < '0' || regname[1] > '7') + return; + regno = regname[1] - '0' + D0_REGNUM; + break; + case 'A': + if (regname[1] < '0' || regname[1] > '7') + return; + regno = regname[1] - '0' + A0_REGNUM; + break; + default: + return; + } + + monitor_supply_register (regno, val); +} + +/* + * This array of registers needs to match the indexes used by GDB. The + * whole reason this exists is because the various ROM monitors use + * different names than GDB does, and don't support all the + * registers either. So, typing "info reg sp" becomes an "A7". + */ + +static char *abug_regnames[NUM_REGS] = +{ + "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", + "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", + "PC", +}; + +/* + * Define the monitor command strings. Since these are passed directly + * through to a printf style function, we need can include formatting + * strings. We also need a CR or LF on the end. + */ + +static struct target_ops abug_ops; + +static char *abug_inits[] = {"\r", NULL}; + +static struct monitor_ops abug_cmds = +{ + MO_CLR_BREAK_USES_ADDR, + abug_inits, /* Init strings */ + "g\r", /* continue command */ + "t\r", /* single step */ + NULL, /* interrupt command */ + "br %x\r", /* set a breakpoint */ + "nobr %x\r", /* clear a breakpoint */ + "nobr\r", /* clear all breakpoints */ + "bf %x:%x %x;b\r", /* fill (start count val) */ + { + "ms %x %02x\r", /* setmem.cmdb (addr, value) */ + "ms %x %04x\r", /* setmem.cmdw (addr, value) */ + "ms %x %08x\r", /* setmem.cmdl (addr, value) */ + NULL, /* setmem.cmdll (addr, value) */ + NULL, /* setreg.resp_delim */ + NULL, /* setreg.term */ + NULL, /* setreg.term_cmd */ + }, + { + "md %x:%x;b\r", /* getmem.cmdb (addr, len) */ + "md %x:%x;b\r", /* getmem.cmdw (addr, len) */ + "md %x:%x;b\r", /* getmem.cmdl (addr, len) */ + NULL, /* getmem.cmdll (addr, len) */ + " ", /* getmem.resp_delim */ + NULL, /* getmem.term */ + NULL, /* getmem.term_cmd */ + }, + { + "rm %s %x\r", /* setreg.cmd (name, value) */ + "=", /* setreg.resp_delim */ + "? ", /* setreg.term */ + ".\r" /* setreg.term_cmd */ + }, + { + "rm %s\r", /* getreg.cmd (name) */ + "=", /* getreg.resp_delim */ + "? ", /* getreg.term */ + ".\r" /* getreg.term_cmd */ + }, + "rd\r", /* dump_registers */ + "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)", /* register_pattern */ + abug_supply_register, /* supply_register */ + NULL, /* load_routine (defaults to SRECs) */ + "lo 0\r", /* download command */ + "\n", /* load response */ + "135Bug>", /* monitor command prompt */ + "\r", /* end-of-line terminator */ + NULL, /* optional command terminator */ + &abug_ops, /* target operations */ + SERIAL_1_STOPBITS, /* number of stop bits */ + abug_regnames, /* registers names */ + MONITOR_OPS_MAGIC /* magic */ + }; + +static void +abug_open(args, from_tty) + char *args; + int from_tty; +{ + monitor_open (args, &abug_cmds, from_tty); +} + +void +_initialize_abug_rom () +{ + init_monitor_ops (&abug_ops); + + abug_ops.to_shortname = "abug"; + abug_ops.to_longname = "ABug monitor"; + abug_ops.to_doc = "Debug via the ABug monitor.\n\ +Specify the serial device it is connected to (e.g. /dev/ttya)."; + abug_ops.to_open = abug_open; + + add_target (&abug_ops); +} |