Message ID | 20220420065013.222816-13-npiggin@gmail.com |
---|---|
State | New |
Headers | show
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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pdbg-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Pdbg" <pdbg-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
gdbserver multi-threaded debugging and POWER9/10 support
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diff --git a/src/pdbgproxy.c b/src/pdbgproxy.c index 9e5e7d80..1668126f 100644 --- a/src/pdbgproxy.c +++ b/src/pdbgproxy.c @@ -320,11 +320,20 @@ static void v_contc(uint64_t *stack, void *priv) static void interrupt(uint64_t *stack, void *priv) { - PR_INFO("Interrupt\n"); + struct thread_state status; + + PR_INFO("Interrupt from gdb client\n"); + thread_stop(thread_target); - send_response(fd, TRAP); - return; + status = thread_status(thread_target); + if (!(status.quiesced)) { + PR_ERROR("Could not quiesce thread\n"); + return; + } + state = IDLE; + poll_interval = VCONT_POLL_DELAY; + send_response(fd, TRAP); } static void poll(void)
The interrupt command sends a stop reason (TRAP) response, then the main loop notices that the thread was stopped and also sends a stop reason response. Prevent the second response by having the interrupt handler move the state to IDLE. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- src/pdbgproxy.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)