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dmnt: refactor/add support for getting process list in gdb

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This commit is contained in:
Michael Scire 2021-07-17 06:27:40 -07:00 • committed by SciresM
parent a7f9729f63
commit 649a0052d0
5 changed files with 255 additions and 107 deletions
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72
stratosphere/dmnt.gen2/source/dmnt2_gdb_server.cpp
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@ -14,10 +14,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "dmnt2_gdb_packet_io.hpp"
#include "dmnt2_gdb_packet_parser.hpp"
#include "dmnt2_gdb_server.hpp"
#include "dmnt2_debug_log.hpp"
#include "dmnt2_gdb_server.hpp"
#include "dmnt2_gdb_server_impl.hpp"
namespace ams::dmnt {
@ -25,43 +24,13 @@ namespace ams::dmnt {
constexpr size_t ServerThreadStackSize = util::AlignUp(4 * GdbPacketBufferSize + os::MemoryPageSize, os::ThreadStackAlignment);
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread32_stack[ServerThreadStackSize];
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread64_stack[ServerThreadStackSize];
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread_stack[ServerThreadStackSize];
constinit os::ThreadType g_server_thread32;
constinit os::ThreadType g_server_thread64;
constinit os::ThreadType g_server_thread;
constinit util::TypedStorage<HtcsSession> g_session32;
constinit util::TypedStorage<HtcsSession> g_session64;
constinit util::TypedStorage<GdbServerImpl> g_gdb_server;
void ProcessForHtcsSession(HtcsSession *session, bool is_64_bit) {
/* Create packet io handler. */
GdbPacketIo packet_io;
/* Process packets. */
while (session->IsValid()) {
/* Receive a packet. */
bool do_break = false;
char recv_buf[GdbPacketBufferSize];
char *packet = packet_io.ReceivePacket(std::addressof(do_break), recv_buf, sizeof(recv_buf), session);
if (!do_break && packet != nullptr) {
/* Create a packet parser. */
char reply_buffer[GdbPacketBufferSize];
GdbPacketParser parser(packet, reply_buffer, is_64_bit);
/* Process the packet. */
parser.Process();
/* Send packet. */
packet_io.SendPacket(std::addressof(do_break), reply_buffer, session);
}
}
}
template<bool Is64Bit>
void GdbServerThreadFunction() {
void GdbServerThreadFunction(void *) {
/* Loop forever, servicing our gdb server. */
while (true) {
/* Get a socket. */
@ -80,7 +49,7 @@ namespace ams::dmnt {
htcs::SockAddrHtcs addr;
addr.family = htcs::HTCS_AF_HTCS;
addr.peer_name = htcs::GetPeerNameAny();
std::strcpy(addr.port_name.name, Is64Bit ? "iywys@$gdb-aarch64" : "iywys@$gdb-aarch32");
std::strcpy(addr.port_name.name, "iywys@$gdb");
/* Bind. */
if (htcs::Bind(fd, std::addressof(addr)) == -1) {
@ -97,13 +66,14 @@ namespace ams::dmnt {
break;
}
/* Create htcs session for the socket. */
auto &session_storage = Is64Bit ? g_session64 : g_session32;
util::ConstructAt(session_storage, client_fd);
ON_SCOPE_EXIT { util::DestroyAt(session_storage); };
{
/* Create gdb server for the socket. */
util::ConstructAt(g_gdb_server, client_fd);
ON_SCOPE_EXIT { util::DestroyAt(g_gdb_server); };
/* Process for the session. */
ProcessForHtcsSession(util::GetPointer(session_storage), Is64Bit);
/* Process for the server. */
util::GetReference(g_gdb_server).LoopProcess();
}
/* Close the client socket. */
htcs::Close(client_fd);
@ -112,22 +82,12 @@ namespace ams::dmnt {
}
}
void GdbServerThreadFunction64(void *) {
GdbServerThreadFunction<true>();
}
void GdbServerThreadFunction32(void *) {
GdbServerThreadFunction<false>();
}
}
void InitializeGdbServer() {
/* Create and start gdb server threads. */
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread64), GdbServerThreadFunction64, nullptr, g_server_thread64_stack, sizeof(g_server_thread64_stack), os::HighestThreadPriority - 1));
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread32), GdbServerThreadFunction32, nullptr, g_server_thread32_stack, sizeof(g_server_thread32_stack), os::HighestThreadPriority - 1));
os::StartThread(std::addressof(g_server_thread64));
os::StartThread(std::addressof(g_server_thread32));
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread), GdbServerThreadFunction, nullptr, g_server_thread_stack, sizeof(g_server_thread_stack), os::HighestThreadPriority - 1));
os::StartThread(std::addressof(g_server_thread));
}
}