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| author | Jan Matyas <matyas@codasip.com> | 2021-06-03 17:13:41 +0200 |
|---|---|---|
| committer | Antonio Borneo <borneo.antonio@gmail.com> | 2021-12-03 22:00:19 +0000 |
| commit | b1de11616099fe97f3534fa0f268c10dfd6ecf2b (patch) | |
| tree | c69deda48ff104bd2bd8dba344e3b4d81ff79b5b /src | |
| parent | f735faa9319af324b94e4257444419c8dfec6592 (diff) | |
| download | riscv-openocd-b1de11616099fe97f3534fa0f268c10dfd6ecf2b.zip riscv-openocd-b1de11616099fe97f3534fa0f268c10dfd6ecf2b.tar.gz riscv-openocd-b1de11616099fe97f3534fa0f268c10dfd6ecf2b.tar.bz2 | |
gdb_server: added and improved several debug prints
Added and improved several prints related to the GDB connection
and various error states that may occur in relation to this
connection.
Change-Id: I233246190b613cc925b783561cfa3aa5267360fd
Signed-off-by: Jan Matyas <matyas@codasip.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6288
Reviewed-by: Tim Newsome <tim@sifive.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins
Diffstat (limited to 'src')
| -rw-r--r-- | src/server/gdb_server.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c index a16b4cc..0d2d1ae 100644 --- a/src/server/gdb_server.c +++ b/src/server/gdb_server.c @@ -227,6 +227,7 @@ static int gdb_get_char_inner(struct connection *connection, int *next_char) if (gdb_con->buf_cnt > 0) break; if (gdb_con->buf_cnt == 0) { + LOG_DEBUG("GDB connection closed by the remote client"); gdb_con->closed = true; return ERROR_SERVER_REMOTE_CLOSED; } @@ -348,11 +349,15 @@ static int gdb_putback_char(struct connection *connection, int last_char) static int gdb_write(struct connection *connection, void *data, int len) { struct gdb_connection *gdb_con = connection->priv; - if (gdb_con->closed) + if (gdb_con->closed) { + LOG_DEBUG("GDB socket marked as closed, cannot write to it."); return ERROR_SERVER_REMOTE_CLOSED; + } if (connection_write(connection, data, len) == len) return ERROR_OK; + + LOG_WARNING("Error writing to GDB socket. Dropping the connection."); gdb_con->closed = true; return ERROR_SERVER_REMOTE_CLOSED; } @@ -1351,7 +1356,7 @@ static int gdb_get_register_packet(struct connection *connection, return gdb_error(connection, retval); if (reg_list_size <= reg_num) { - LOG_ERROR("gdb requested a non-existing register"); + LOG_ERROR("gdb requested a non-existing register (reg_num=%d)", reg_num); return ERROR_SERVER_REMOTE_CLOSED; } @@ -1413,7 +1418,7 @@ static int gdb_set_register_packet(struct connection *connection, } if (reg_list_size <= reg_num) { - LOG_ERROR("gdb requested a non-existing register"); + LOG_ERROR("gdb requested a non-existing register (reg_num=%d)", reg_num); free(bin_buf); free(reg_list); return ERROR_SERVER_REMOTE_CLOSED; |