Allow the default input radix to be specified (iradix).

devcmd.c

@@ -175,16 +175,19 @@ int cmd_erase(char **arg)
 int cmd_step(char **arg)
 {
 	char *count_text = get_arg(arg);
-	int count = 1;
+	address_t count = 1;
+	int i;
 
-	if (count_text)
-		count = atoi(count_text);
+	if (count_text) {
+		if (expr_eval(stab_default, count_text, &count) < 0) {
+			printc_err("step: can't parse count: %s\n", count_text);
+			return -1;
+		}
+	}
 
-	while (count > 0) {
+	for (i = 0; i < count; i++)
 		if (device_default->ctl(device_default, DEVICE_CTL_STEP) < 0)
 			return -1;
-		count--;
-	}
 
 	return cmd_regs(NULL);
 }
@@ -557,13 +560,15 @@ int cmd_setbreak(char **arg)
 	}
 
 	if (index_text) {
-		index = atoi(index_text);
+		address_t val;
 
-		if (index < 0 || index >= device_default->max_breakpoints) {
-			printc_err("setbreak: invalid breakpoint "
-				"slot: %d\n", index);
+		if (expr_eval(stab_default, index_text, &val) < 0 ||
+		    val >= device_default->max_breakpoints) {
+			printc("setbreak: invalid breakpoint slot: %d\n", val);
 			return -1;
 		}
+
+		index = val;
 	}
 
 	index = device_setbrk(device_default, index, 1, addr);
@@ -583,11 +588,12 @@ int cmd_delbreak(char **arg)
 	int ret = 0;
 
 	if (index_text) {
-		int index = atoi(index_text);
+		address_t index;
 
-		if (index < 0 || index >= device_default->max_breakpoints) {
-			printc_err("delbreak: invalid breakpoint "
-				"slot: %d\n", index);
+		if (expr_eval(stab_default, index_text, &index) < 0 ||
+		    index >= device_default->max_breakpoints) {
+			printc("delbreak: invalid breakpoint slot: %d\n",
+			       index);
 			return -1;
 		}
 

expr.c

@@ -28,6 +28,7 @@
 #include "stab.h"
 #include "util.h"
 #include "output.h"
+#include "opdb.h"
 
 /************************************************************************
  * Address expression parsing.
@@ -52,13 +53,18 @@ static int addr_exp_data(stab_t stab,
 	}
 
 	/* Hex value */
-	if (*text == '0' && text[1] == 'x')
+	if (*text == '0' && text[1] == 'x') {
 		value = strtoul(text + 2, NULL, 16);
-	else if (isdigit(*text))
-		value = atoi(text);
-	else if (stab_get(stab, text, &value) < 0) {
-		printc_err("can't parse token: %s\n", text);
-		return -1;
+	} else if (*text == '0' && text[1] == 'd') {
+		value = atoi(text + 2);
+	} else if (stab_get(stab, text, &value) < 0) {
+		char *end;
+
+		value = strtol(text, &end, opdb_get_numeric("iradix"));
+		if (*end) {
+			printc_err("can't parse token: %s\n", text);
+			return -1;
+		}
 	}
 
 	if (s->data_stack_size + 1 > ARRAY_LEN(s->data_stack)) {

gdb.c

@@ -33,6 +33,7 @@
 #include "gdb.h"
 #include "output.h"
 #include "reader.h"
+#include "expr.h"
 
 #define MAX_MEM_XFER    8192
 
@@ -698,10 +699,12 @@ static int gdb_server(int port)
 int cmd_gdb(char **arg)
 {
 	char *port_text = get_arg(arg);
-	int port = 2000;
+	address_t port = 2000;
 
-	if (port_text)
-		port = atoi(port_text);
+	if (port_text && expr_eval(stab_default, port_text, &port) < 0) {
+		printc_err("gdb: can't parse port: %s\n", port_text);
+		return -1;
+	}
 
 	if (port <= 0 || port > 65535) {
 		printc_err("gdb: invalid port: %d\n", port);

mspdebug.man

@@ -389,8 +389,10 @@ Any command which accepts a memory address, length or register value
 as an argument may be given an address expression. An address
 expression consists of an algebraic combination of values.
 
-An address value may be either a decimal value, a hexadecimal value
-preceeded by the prefix \fB0x\fR, or a symbol name.
+An address value may be either a symbol name, a hex value preceeded
+with the specifier "0x", a decimal value preceeded with the specifier
+"0d", or a number in the default input radix (without a specifier). See
+the option \fBiradix\fR for more information.
 
 The operators recognised are the usual algebraic operators: \fB+\fR, \fB-\fR,
 \fB*\fR, \fB/\fR, \fB%\fR, \fB(\fR and \fB)\fR. Operator precedence is the
@@ -416,6 +418,10 @@ If true, MSPDebug will colorize debugging output.
 Automatically restart the GDB server after disconnection. If this
 option is set, then the GDB server keeps running until an error occurs,
 or the user interrupts with Ctrl+C.
+.IP "\fBiradix\fR (numeric)"
+Default input radix for address expressions. For address values with
+no radix specifier, this value gives the input radix, which is
+10 (decimal) by default.
 .IP "\fBquiet\fR (boolean)"
 If set, MSPDebug will supress most of its debug-related output. This option
 defaults to false, but can be set true on start-up using the \fB-q\fR

opdb.c

@@ -43,10 +43,18 @@ const static struct opdb_key keys[] = {
 	{
 		.name = "quiet",
 		.type = OPDB_TYPE_BOOLEAN,
-		.help = "Supress debugging output\n",
+		.help = "Supress debugging output.\n",
 		.defval = {
 			.boolean = 0
 		}
+	},
+	{
+		.name = "iradix",
+		.type = OPDB_TYPE_NUMERIC,
+		.help = "Default input radix.\n",
+		.defval = {
+			.numeric = 10
+		}
 	}
 };