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Diffstat (limited to 'contrib/gdb/gdb/remote-hms.c')
| -rw-r--r-- | contrib/gdb/gdb/remote-hms.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/remote-hms.c b/contrib/gdb/gdb/remote-hms.c new file mode 100644 index 0000000..ee40051 --- /dev/null +++ b/contrib/gdb/gdb/remote-hms.c @@ -0,0 +1,159 @@ +/* Remote debugging interface for Renesas HMS Monitor Version 1.0 + Copyright 1995, 1996, 1998, 1999, 2000, 2001 + Free Software Foundation, Inc. + Contributed by Cygnus Support. Written by Steve Chamberlain + (sac@cygnus.com). + + 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 "regcache.h" + +static void hms_open (char *args, int from_tty); +static void +hms_supply_register (char *regname, int regnamelen, char *val, int vallen) +{ + int regno; + + if (regnamelen != 2) + return; + if (regname[0] != 'P') + return; + /* We scan off all the registers in one go */ + + val = monitor_supply_register (PC_REGNUM, val); + /* Skip the ccr string */ + while (*val != '=' && *val) + val++; + + val = monitor_supply_register (CCR_REGNUM, val + 1); + + /* Skip up to rest of regs */ + while (*val != '=' && *val) + val++; + + for (regno = 0; regno < 7; regno++) + { + val = monitor_supply_register (regno, val + 1); + } +} + +/* + * 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 a "r30". + */ + +static char *hms_regnames[] = +{ + "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "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 hms_ops; + +static char *hms_inits[] = +{"\003", /* Resets the prompt, and clears repeated cmds */ + NULL}; + +static struct monitor_ops hms_cmds; + +static void +init_hms_cmds (void) +{ + hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE; + hms_cmds.init = hms_inits; /* Init strings */ + hms_cmds.cont = "g\r"; /* continue command */ + hms_cmds.step = "s\r"; /* single step */ + hms_cmds.stop = "\003"; /* ^C interrupts the program */ + hms_cmds.set_break = "b %x\r"; /* set a breakpoint */ + hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */ + hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */ + hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */ + hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */ + hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */ + hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */ + hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ + hms_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ + hms_cmds.setmem.term = NULL; /* setreg.term */ + hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ + hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */ + hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */ + hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */ + hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */ + hms_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ + hms_cmds.getmem.term = ">"; /* getmem.term */ + hms_cmds.getmem.term_cmd = "\003"; /* getmem.term_cmd */ + hms_cmds.setreg.cmd = "r %s=%x\r"; /* setreg.cmd (name, value) */ + hms_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ + hms_cmds.setreg.term = NULL; /* setreg.term */ + hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ + hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */ + hms_cmds.getreg.resp_delim = " ("; /* getreg.resp_delim */ + hms_cmds.getreg.term = ":"; /* getreg.term */ + hms_cmds.getreg.term_cmd = "\003"; /* getreg.term_cmd */ + hms_cmds.dump_registers = "r\r"; /* dump_registers */ + hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ + hms_cmds.supply_register = hms_supply_register; /* supply_register */ + hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ + hms_cmds.load = "tl\r"; /* download command */ + hms_cmds.loadresp = NULL; /* load response */ + hms_cmds.prompt = ">"; /* monitor command prompt */ + hms_cmds.line_term = "\r"; /* end-of-command delimitor */ + hms_cmds.cmd_end = NULL; /* optional command terminator */ + hms_cmds.target = &hms_ops; /* target operations */ + hms_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ + hms_cmds.regnames = hms_regnames; /* registers names */ + hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ +} /* init_hms-cmds */ + +static void +hms_open (char *args, int from_tty) +{ + monitor_open (args, &hms_cmds, from_tty); +} + +int write_dos_tick_delay; + +extern initialize_file_ftype _initialize_remote_hms; /* -Wmissing-prototypes */ + +void +_initialize_remote_hms (void) +{ + init_hms_cmds (); + init_monitor_ops (&hms_ops); + + hms_ops.to_shortname = "hms"; + hms_ops.to_longname = "Renesas Microsystems H8/300 debug monitor"; + hms_ops.to_doc = "Debug via the HMS monitor.\n\ +Specify the serial device it is connected to (e.g. /dev/ttya)."; + hms_ops.to_open = hms_open; + /* By trial and error I've found that this delay doesn't break things */ + write_dos_tick_delay = 1; + add_target (&hms_ops); +} |
