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Only send traps from GDB's current thread, otherwise we will always be thrown back to main thread when stepping.

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This commit is contained in:
Jarek Syrylak
2018-06-06 15:05:23 +01:00
parent cbadda89c1
commit 2f61f8ff13
1 changed files with 7 additions and 8 deletions
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15
src/core/gdbstub/gdbstub.cpp
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@@ -144,6 +144,7 @@ static u32 latest_signal = 0;
static bool memory_break = false;
static Kernel::Thread* current_thread = nullptr;
static int thread_id = -1;
// Binding to a port within the reserved ports range (0-1023) requires root permissions,
// so default to a port outside of that range.
@@ -562,11 +563,9 @@ static void HandleQuery() {
/// Handle set thread command from gdb client.
static void HandleSetThread() {
if (memcmp(command_buffer, "Hc", 2) == 0 || memcmp(command_buffer, "Hg", 2) == 0) {
int thread_id = -1;
thread_id = -1;
if (command_buffer[2] != '-') {
thread_id = static_cast<int>(HexToInt(
command_buffer + 2,
command_length - 2 /*strlen(reinterpret_cast<char*>(command_buffer) + 2)*/));
thread_id = static_cast<int>(HexToInt(command_buffer + 2, command_length - 2));
}
if (thread_id >= 1) {
current_thread = FindThreadById(thread_id);
@@ -585,9 +584,7 @@ static void HandleSetThread() {
/// Handle thread alive command from gdb client.
static void HandleThreadAlive() {
int thread_id = static_cast<int>(
HexToInt(command_buffer + 1,
command_length - 1 /*strlen(reinterpret_cast<char*>(command_buffer) + 1)*/));
int thread_id = static_cast<int>(HexToInt(command_buffer + 1, command_length - 1));
if (thread_id == 0) {
thread_id = 1;
}
@@ -1192,7 +1189,9 @@ void SetCpuStepFlag(bool is_step) {
}
void SendTrap(Kernel::Thread* thread, int trap) {
if (send_trap) {
//NGLOG_ERROR(Debug_GDBStub, "SendTrap {} {} {} {}", thread->GetThreadId(), thread_id, trap,
// send_trap);
if (send_trap && (thread == current_thread)) {
send_trap = false;
SendSignal(thread, trap);
}