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gdb: clean up error handling in step/continue

if step/continue fails, then the error should be
reported to the calling fn.

The calling fn decides if the connection has to be
aborted or if packet processing can continue.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
tags/v0.5.0-rc1
Øyvind Harboe 13 years ago
parent
commit
5104d56e5c
1 changed files with 15 additions and 5 deletions
  1. +15
    -5
      src/server/gdb_server.c

+ 15
- 5
src/server/gdb_server.c View File

@@ -2151,7 +2151,17 @@ static int gdb_input_inner(struct connection *connection)
struct gdb_connection *gdb_con = connection->priv;
static int extended_protocol = 0;

/* drain input buffer */
/* drain input buffer. If one of the packets fail, then an error
* packet is replied, if applicable.
*
* This loop will terminate and the error code is returned.
*
* The calling fn will check if this error is something that
* can be recovered from, or if the connection must be closed.
*
* If the error is recoverable, this fn is called again to
* drain the rest of the buffer.
*/
do
{
packet_size = GDB_BUFFER_SIZE-1;
@@ -2235,8 +2245,6 @@ static int gdb_input_inner(struct connection *connection)
case 'c':
case 's':
{
int retval = ERROR_OK;

struct gdb_connection *gdb_con = connection->priv;
log_add_callback(gdb_log_callback, connection);

@@ -2271,7 +2279,7 @@ static int gdb_input_inner(struct connection *connection)
}
gdb_con->sync = false;

if ((retval!=ERROR_OK) || (!already_running && nostep))
if (!already_running && nostep)
{
/* Either the target isn't in the halted state, then we can't
* step/continue. This might be early setup, etc.
@@ -2294,7 +2302,9 @@ static int gdb_input_inner(struct connection *connection)

if (!already_running)
{
int retval = gdb_step_continue_packet(connection, target, packet, packet_size);
/* Here we don't want packet processing to stop even if this fails,
* so we use a local variable instead of retval. */
retval = gdb_step_continue_packet(connection, target, packet, packet_size);
if (retval != ERROR_OK)
{
/* we'll never receive a halted condition... issue a false one.. */


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