This is an automated email from Gerrit.

Spencer Oliver ([email protected]) just uploaded a new patch set to Gerrit, 
which you can find at http://openocd.zylin.com/1128

-- gerrit

commit eaa27f3c784fd6165da2a53cf96a9cd37eaf0c72
Author: Spencer Oliver <[email protected]>
Date:   Fri Feb 1 10:31:13 2013 +0000

    gdb: use stdio functions to convert parameters
    
    This reduces the number of gdb conversion routines we have to maintain.
    
    Change-Id: Ia43d6cac86cbe4f76fe0875b9d9c16ac340296db
    Signed-off-by: Spencer Oliver <[email protected]>

diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 5e570f5..fddfacc 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -93,7 +93,6 @@ static enum breakpoint_type gdb_breakpoint_override_type;
 static int gdb_error(struct connection *connection, int retval);
 static const char *gdb_port;
 static const char *gdb_port_next;
-static const char DIGITS[16] = "0123456789abcdef";
 
 static void gdb_log_callback(void *priv, const char *file, unsigned line,
                const char *function, const char *string);
@@ -379,18 +378,14 @@ static int gdb_put_packet_inner(struct connection 
*connection,
                if ((size_t)len + 4 <= sizeof(local_buffer)) {
                        /* performance gain on smaller packets by only a single 
call to gdb_write() */
                        memcpy(local_buffer + 1, buffer, len++);
-                       local_buffer[len++] = '#';
-                       local_buffer[len++] = DIGITS[(my_checksum >> 4) & 0xf];
-                       local_buffer[len++] = DIGITS[my_checksum & 0xf];
+                       len += snprintf(&local_buffer[len], 
sizeof(local_buffer), "#%02x", my_checksum);
                        retval = gdb_write(connection, local_buffer, len);
                        if (retval != ERROR_OK)
                                return retval;
                } else {
                        /* larger packets are transmitted directly from caller 
supplied buffer
                         * by several calls to gdb_write() to avoid dynamic 
allocation */
-                       local_buffer[1] = '#';
-                       local_buffer[2] = DIGITS[(my_checksum >> 4) & 0xf];
-                       local_buffer[3] = DIGITS[my_checksum & 0xf];
+                       snprintf(local_buffer + 1, sizeof(local_buffer), 
"#%02x", my_checksum);
                        retval = gdb_write(connection, local_buffer, 1);
                        if (retval != ERROR_OK)
                                return retval;
@@ -900,7 +895,7 @@ static int gdb_last_signal_packet(struct connection 
*connection,
        return ERROR_OK;
 }
 
-static int gdb_reg_pos(struct target *target, int pos, int len)
+static inline int gdb_reg_pos(struct target *target, int pos, int len)
 {
        if (target->endianness == TARGET_LITTLE_ENDIAN)
                return pos;
@@ -929,22 +924,10 @@ static void gdb_str_to_target(struct target *target,
 
        for (i = 0; i < buf_len; i++) {
                int j = gdb_reg_pos(target, i, buf_len);
-               tstr[i*2]   = DIGITS[(buf[j]>>4) & 0xf];
-               tstr[i*2 + 1] = DIGITS[buf[j]&0xf];
+               tstr += snprintf(tstr, 3, "%02x", buf[j]);
        }
 }
 
-static int hextoint(int c)
-{
-       if (c >= '0' && c <= '9')
-               return c - '0';
-       c = toupper(c);
-       if (c >= 'A' && c <= 'F')
-               return c - 'A' + 10;
-       LOG_ERROR("BUG: invalid register value %08x", c);
-       return 0;
-}
-
 /* copy over in register buffer */
 static void gdb_target_to_reg(struct target *target,
                char *tstr, int str_len, uint8_t *bin)
@@ -956,8 +939,11 @@ static void gdb_target_to_reg(struct target *target,
 
        int i;
        for (i = 0; i < str_len; i += 2) {
-               uint8_t t = hextoint(tstr[i]) << 4;
-               t |= hextoint(tstr[i + 1]);
+               unsigned t;
+               if (sscanf(tstr + i, "%02x", &t) != 1) {
+                       LOG_ERROR("BUG: unable to convert register value");
+                       exit(-1);
+               }
 
                int j = gdb_reg_pos(target, i/2, str_len/2);
                bin[j] = t;

-- 

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