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[debugger enhance] don't block gdbserver thread while executing (#989)

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Allow to set break point again when all break points are removed and
wasm app starts running.
This commit is contained in:
Xu Jun
2022-02-16 17:35:35 +08:00
committed by GitHub
parent 985dea9493
commit 3fe191b0df
14 changed files with 424 additions and 221 deletions
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26
core/iwasm/libraries/debug-engine/debug_engine.h
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@ -35,6 +35,15 @@ typedef struct WASMDebugBreakPoint {
uint64 orignal_data;
} WASMDebugBreakPoint;
typedef enum debug_state_t {
/* Debugger state conversion sequence:
* DBG_LAUNCHING ---> APP_STOPPED <---> APP_RUNNING
*/
DBG_LAUNCHING,
APP_RUNNING,
APP_STOPPED
} debug_state_t;
typedef struct WASMDebugInstance {
struct WASMDebugInstance *next;
WASMDebugControlThread *control_thread;
@ -44,6 +53,13 @@ typedef struct WASMDebugInstance {
korp_tid current_tid;
korp_mutex wait_lock;
korp_cond wait_cond;
/* Last stopped thread, it should be set to NULL when sending
* out the thread stop reply */
WASMExecEnv *volatile stopped_thread;
/* Currently status of the debug instance, it will be set to
* RUNNING when receiving STEP/CONTINUE commands, and set to
* STOPPED when any thread stopped */
volatile debug_state_t current_state;
} WASMDebugInstance;
typedef enum WASMDebugEventKind {
@ -77,6 +93,9 @@ typedef enum WasmAddressType {
#define INVALIED_ADDR (0xFFFFFFFFFFFFFFFF)
void
on_thread_stop_event(WASMDebugInstance *debug_inst, WASMExecEnv *exec_env);
WASMDebugInstance *
wasm_debug_instance_create(WASMCluster *cluster);
@ -152,16 +171,15 @@ bool
wasm_debug_instance_remove_breakpoint(WASMDebugInstance *instance, uint64 addr,
uint64 length);
bool
wasm_debug_instance_interrupt_all_threads(WASMDebugInstance *instance);
bool
wasm_debug_instance_continue(WASMDebugInstance *instance);
bool
wasm_debug_instance_kill(WASMDebugInstance *instance);
korp_tid
wasm_debug_instance_wait_thread(WASMDebugInstance *instance, korp_tid tid,
uint32 *status);
uint32
wasm_debug_instance_get_thread_status(WASMDebugInstance *instance,
korp_tid tid);