diff options
Diffstat (limited to 'gdb/gdbserver/remote-utils.c')
| -rw-r--r-- | gdb/gdbserver/remote-utils.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c index c61f1e0..14734f1 100644 --- a/gdb/gdbserver/remote-utils.c +++ b/gdb/gdbserver/remote-utils.c @@ -205,6 +205,23 @@ unhexify (char *bin, const char *hex, int count) return i; } +static void +decode_address (CORE_ADDR *addrp, const char *start, int len) +{ + CORE_ADDR addr; + char ch; + int i; + + addr = 0; + for (i = 0; i < len; i++) + { + ch = start[i]; + addr = addr << 4; + addr = addr | (fromhex (ch) & 0x0f); + } + *addrp = addr; +} + /* Convert number NIB to a hex digit. */ static int @@ -581,3 +598,42 @@ decode_M_packet (char *from, CORE_ADDR *mem_addr_ptr, unsigned int *len_ptr, convert_ascii_to_int (&from[i++], to, *len_ptr); } + +int +look_up_one_symbol (const char *name, CORE_ADDR *addrp) +{ + char own_buf[266], *p, *q; + int len; + + /* Send the request. */ + strcpy (own_buf, "qSymbol:"); + hexify (own_buf + strlen ("qSymbol:"), name, strlen (name)); + if (putpkt (own_buf) < 0) + return -1; + + /* FIXME: Eventually add buffer overflow checking (to getpkt?) */ + len = getpkt (own_buf); + if (len < 0) + return -1; + + if (strncmp (own_buf, "qSymbol:", strlen ("qSymbol:")) != 0) + { + /* Malformed response. */ + if (remote_debug) + fprintf (stderr, "Malformed response to qSymbol, ignoring.\n"); + return -1; + } + + p = own_buf + strlen ("qSymbol:"); + q = p; + while (*q && *q != ':') + q++; + + /* Make sure we found a value for the symbol. */ + if (p == q || *q == '\0') + return 0; + + decode_address (addrp, p, q - p); + return 1; +} + |