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authorMark Kettenis <kettenis@cvs.openbsd.org>2004-05-21 19:18:40 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2004-05-21 19:18:40 +0000
commit6a565344557d0acb4bd34cc9a0bf698662f9006b (patch)
tree5c120526742e6dbb98c8c3d2857c18f7de16143a /gnu/usr.bin/binutils/gdb/mcore-rom.c
parenta0769fe1e18fcff10de0bca7c087aacab3cda1cb (diff)
GDB 6.1 (excluding .info files)
Diffstat (limited to 'gnu/usr.bin/binutils/gdb/mcore-rom.c')
-rw-r--r--gnu/usr.bin/binutils/gdb/mcore-rom.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/mcore-rom.c b/gnu/usr.bin/binutils/gdb/mcore-rom.c
new file mode 100644
index 00000000000..dcc2cfb26cf
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/mcore-rom.c
@@ -0,0 +1,208 @@
+/* Remote debugging interface to Motorola picobug monitor for gdb,
+ the GNU debugger.
+ Copyright 1999, 2000, 2001 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 "gdb_string.h"
+#include "regcache.h"
+#include "serial.h"
+
+/* Functions used only in this file. */
+
+static void init_picobug_cmds (void);
+
+
+/* Functions exported from this file. */
+
+void _initialize_picobug_rom (void);
+
+void picobug_open (char *args, int from_tty);
+
+int picobug_dumpregs (void);
+
+
+static char *picobug_inits[] =
+{"\r", NULL};
+
+static struct target_ops picobug_ops;
+static struct monitor_ops picobug_cmds;
+
+/* Picobug only supports a subset of registers from MCore. In reality,
+ it doesn't support ss1, either. */
+/* *INDENT-OFF* */
+static char *picobug_regnames[] = {
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ "psr", "vbr", "epsr", "fpsr", "epc", "fpc", 0, "ss1",
+ "ss2", "ss3", "ss4", 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ "pc" };
+/* *INDENT-ON* */
+
+
+
+void
+picobug_open (char *args, int from_tty)
+{
+ monitor_open (args, &picobug_cmds, from_tty);
+}
+/* *INDENT-OFF* */
+/* We choose to write our own dumpregs routine, since the output of
+ the register dumping is rather difficult to encapsulate in a
+ regexp:
+
+picobug> rd
+ pc 2f00031e epc 2f00031e fpc 00000000
+ psr 80000101 epsr 80000101 fpsr 00000000
+ss0-ss4 bad0beef 00000000 00000000 00000000 00000000 vbr 30005c00
+ r0-r7 2f0fff4c 00000090 00000001 00000002 00000003 00000004 00000005 00000006
+ r8-r15 2f0fff64 00000000 00000000 00000000 00000000 00000000 00000000 2f00031e */
+/* *INDENT-ON* */
+
+
+
+int
+picobug_dumpregs (void)
+{
+ char buf[1024];
+ int resp_len;
+ char *p;
+
+ /* Send the dump register command to the monitor and
+ get the reply. */
+ monitor_printf (picobug_cmds.dump_registers);
+ resp_len = monitor_expect_prompt (buf, sizeof (buf));
+
+ p = strtok (buf, " \t\r\n");
+ while (p)
+ {
+ if (strchr (p, '-'))
+ {
+ /* got a range. either r0-r7, r8-r15 or ss0-ss4 */
+ if (DEPRECATED_STREQN (p, "r0", 2) || DEPRECATED_STREQN (p, "r8", 2))
+ {
+ int rn = (p[1] == '0' ? 0 : 8);
+ int i = 0;
+
+ /* Get the next 8 values and record them. */
+ while (i < 8)
+ {
+ p = strtok (NULL, " \t\r\n");
+ if (p)
+ monitor_supply_register (rn + i, p);
+ i++;
+ }
+ }
+ else if (DEPRECATED_STREQN (p, "ss", 2))
+ {
+ /* get the next five values, ignoring the first */
+ int rn;
+ p = strtok (NULL, " \t\r\n");
+ for (rn = 39; rn < 43; rn++)
+ {
+ p = strtok (NULL, " \t\r\n");
+ if (p)
+ monitor_supply_register (rn, p);
+ }
+ }
+ else
+ {
+ break;
+ }
+ }
+ else
+ {
+ /* Simple register type, paired */
+ char *name = p;
+ int i;
+
+ /* Get and record value */
+ p = strtok (NULL, " \t\r\n");
+ if (p)
+ {
+ for (i = 0; i < NUM_REGS; i++)
+ {
+ if (picobug_regnames[i] && DEPRECATED_STREQ (picobug_regnames[i], name))
+ break;
+ }
+
+ if (i <= NUM_REGS)
+ monitor_supply_register (i, p);
+ }
+ }
+ p = strtok (NULL, " \t\r\n");
+ }
+
+ return 0;
+}
+
+static void
+init_picobug_cmds (void)
+{
+ picobug_cmds.flags = MO_GETMEM_NEEDS_RANGE | MO_CLR_BREAK_USES_ADDR | MO_PRINT_PROGRAM_OUTPUT;
+
+ picobug_cmds.init = picobug_inits; /* Init strings */
+ picobug_cmds.cont = "g\n"; /* continue command */
+ picobug_cmds.step = "s\n"; /* single step */
+ picobug_cmds.set_break = "br %x\n"; /* set a breakpoint */
+ picobug_cmds.clr_break = "nobr %x\n"; /* clear a breakpoint */
+ picobug_cmds.clr_all_break = "nobr\n"; /* clear all breakpoints */
+ picobug_cmds.setmem.cmdb = "mm %x %x ;b\n"; /* setmem.cmdb (addr, value) */
+ picobug_cmds.setmem.cmdw = "mm %x %x ;h\n"; /* setmem.cmdw (addr, value) */
+ picobug_cmds.setmem.cmdl = "mm %x %x ;w\n"; /* setmem.cmdl (addr, value) */
+ picobug_cmds.getmem.cmdb = "md %x %x\n"; /* getmem.cmdb (start addr, end addr) */
+ picobug_cmds.getmem.resp_delim = ":"; /* getmem.resp_delim */
+ picobug_cmds.setreg.cmd = "rm %s %x\n"; /* setreg.cmd (name, value) */
+ picobug_cmds.getreg.cmd = "rd %s\n"; /* getreg.cmd (name) */
+ picobug_cmds.getreg.resp_delim = ":"; /* getreg.resp_delim */
+ picobug_cmds.dump_registers = "rd\n"; /* dump_registers */
+ picobug_cmds.dumpregs = picobug_dumpregs; /* dump registers parser */
+ picobug_cmds.load = "lo\n"; /* download command */
+ picobug_cmds.prompt = "picobug> "; /* monitor command prompt */
+ picobug_cmds.line_term = "\n"; /* end-of-line terminator */
+ picobug_cmds.target = &picobug_ops; /* target operations */
+ picobug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
+ picobug_cmds.regnames = picobug_regnames; /* registers names */
+ picobug_cmds.num_breakpoints = 20; /* number of breakpoints */
+ picobug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
+}
+
+void
+_initialize_picobug_rom (void)
+{
+ int i;
+
+ /* Initialize m32r RevC monitor target */
+ init_picobug_cmds ();
+ init_monitor_ops (&picobug_ops);
+ picobug_ops.to_shortname = "picobug";
+ picobug_ops.to_longname = "picobug monitor";
+ picobug_ops.to_doc = "Debug via the picobug monitor.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ picobug_ops.to_open = picobug_open;
+
+ add_target (&picobug_ops);
+}