diff options
Diffstat (limited to 'gdb/gdbserver/server.c')
| -rw-r--r-- | gdb/gdbserver/server.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c index c4e167210bd..416ceb3e33c 100644 --- a/gdb/gdbserver/server.c +++ b/gdb/gdbserver/server.c @@ -810,6 +810,77 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p) return; } + if (the_target->qxfer_siginfo != NULL + && strncmp ("qXfer:siginfo:read:", own_buf, 19) == 0) + { + unsigned char *data; + int n; + CORE_ADDR ofs; + unsigned int len; + char *annex; + + require_running (own_buf); + + /* Reject any annex; grab the offset and length. */ + if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0 + || annex[0] != '\0') + { + strcpy (own_buf, "E00"); + return; + } + + /* Read one extra byte, as an indicator of whether there is + more. */ + if (len > PBUFSIZ - 2) + len = PBUFSIZ - 2; + data = malloc (len + 1); + if (!data) + return; + n = (*the_target->qxfer_siginfo) (annex, data, NULL, ofs, len + 1); + if (n < 0) + write_enn (own_buf); + else if (n > len) + *new_packet_len_p = write_qxfer_response (own_buf, data, len, 1); + else + *new_packet_len_p = write_qxfer_response (own_buf, data, n, 0); + + free (data); + return; + } + + if (the_target->qxfer_siginfo != NULL + && strncmp ("qXfer:siginfo:write:", own_buf, 20) == 0) + { + char *annex; + int n; + unsigned int len; + CORE_ADDR ofs; + unsigned char *data; + + require_running (own_buf); + + strcpy (own_buf, "E00"); + data = malloc (packet_len - 19); + if (!data) + return; + if (decode_xfer_write (own_buf + 20, packet_len - 20, &annex, + &ofs, &len, data) < 0) + { + free (data); + return; + } + + n = (*the_target->qxfer_siginfo) + (annex, NULL, (unsigned const char *)data, ofs, len); + if (n < 0) + write_enn (own_buf); + else + sprintf (own_buf, "%x", n); + + free (data); + return; + } + /* Protocol features query. */ if (strncmp ("qSupported", own_buf, 10) == 0 && (own_buf[10] == ':' || own_buf[10] == '\0')) @@ -826,6 +897,9 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p) if (the_target->qxfer_spu != NULL) strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+"); + if (the_target->qxfer_siginfo != NULL) + strcat (own_buf, ";qXfer:siginfo:read+;qXfer:siginfo:write+"); + /* We always report qXfer:features:read, as targets may install XML files on a subsequent call to arch_setup. If we reported to GDB on startup that we don't support |