static void write_context(OutputStream * out, int pid) {
Context * ctx = context_find_from_pid(pid);
ChildProcess * prs = find_process(pid);
write_stream(out, '{');
json_write_string(out, "Name");
write_stream(out, ':');
json_write_string(out, prs ? prs->name : pid2id(pid, 0));
write_stream(out, ',');
json_write_string(out, "CanTerminate");
write_stream(out, ':');
json_write_boolean(out, 1);
write_stream(out, ',');
if (ctx != NULL) {
json_write_string(out, "Attached");
write_stream(out, ':');
json_write_boolean(out, 1);
write_stream(out, ',');
}
if (prs != NULL) {
if (*prs->inp_id) {
json_write_string(out, "StdInID");
write_stream(out, ':');
json_write_string(out, prs->inp_id);
write_stream(out, ',');
}
if (*prs->out_id) {
json_write_string(out, "StdOutID");
write_stream(out, ':');
json_write_string(out, prs->out_id);
write_stream(out, ',');
}
if (*prs->err_id) {
json_write_string(out, "StdErrID");
write_stream(out, ':');
json_write_string(out, prs->err_id);
write_stream(out, ',');
}
}
json_write_string(out, "ID");
write_stream(out, ':');
json_write_string(out, pid2id(pid, 0));
write_stream(out, '}');
}
int context_attach(pid_t pid, ContextAttachCallBack * done, void * data, int mode) {
Context * ctx = NULL;
assert(done != NULL);
trace(LOG_CONTEXT, "context: attaching pid %d", pid);
if ((mode & CONTEXT_ATTACH_SELF) == 0 && ptrace(PT_ATTACH, pid, 0, 0) < 0) {
int err = errno;
trace(LOG_ALWAYS, "error: ptrace(PT_ATTACH) failed: pid %d, error %d %s",
pid, err, errno_to_str(err));
errno = err;
return -1;
}
add_waitpid_process(pid);
ctx = create_context(pid2id(pid, 0));
ctx->mem = ctx;
ctx->mem_access |= MEM_ACCESS_INSTRUCTION;
ctx->mem_access |= MEM_ACCESS_DATA;
ctx->mem_access |= MEM_ACCESS_USER;
ctx->big_endian = big_endian_host();
EXT(ctx)->pid = pid;
EXT(ctx)->attach_callback = done;
EXT(ctx)->attach_data = data;
list_add_first(&ctx->ctxl, &pending_list);
/* TODO: context_attach works only for main task in a process */
return 0;
}
static void event_attach_done(void * x) {
AttachDoneArgs * args = (AttachDoneArgs *)x;
if (context_find_from_pid(args->pid, 0) != NULL) {
args->done(ERR_ALREADY_ATTACHED, NULL, args->data);
}
else {
Context * ctx = NULL;
if (parent_ctx == NULL) {
pid_t pid = taskIdSelf();
parent_ctx = create_context(pid2id(pid, 0));
EXT(parent_ctx)->pid = pid;
parent_ctx->mem = parent_ctx;
parent_ctx->mem_access |= MEM_ACCESS_INSTRUCTION;
parent_ctx->mem_access |= MEM_ACCESS_DATA;
parent_ctx->big_endian = big_endian_host();
link_context(parent_ctx);
send_context_created_event(parent_ctx);
}
assert(parent_ctx->ref_count > 0);
ctx = create_context(pid2id(args->pid, EXT(parent_ctx)->pid));
EXT(ctx)->pid = args->pid;
EXT(ctx)->regs = (REG_SET *)loc_alloc(sizeof(REG_SET));
ctx->mem = parent_ctx;
ctx->big_endian = parent_ctx->big_endian;
(ctx->parent = parent_ctx)->ref_count++;
list_add_last(&ctx->cldl, &parent_ctx->children);
link_context(ctx);
trace(LOG_CONTEXT, "context: attached: ctx %#lx, id %#x", ctx, EXT(ctx)->pid);
send_context_created_event(ctx);
args->done(0, ctx, args->data);
if (taskIsStopped(args->pid)) {
struct event_info * info;
ctx->pending_intercept = 1;
info = event_info_alloc(EVENT_HOOK_STOP);
if (info != NULL) {
info->stopped_ctx.ctxId = args->pid;
event_info_post(info);
}
}
}
loc_free(x);
}
static void write_process_input(ChildProcess * prs) {
ProcessInput * inp = prs->inp_struct = loc_alloc_zero(sizeof(ProcessInput));
inp->prs = prs;
inp->req.client_data = inp;
inp->req.done = write_process_input_done;
inp->req.type = AsyncReqWrite;
inp->req.u.fio.fd = prs->inp;
virtual_stream_create(PROCESSES, pid2id(prs->pid, 0), 0x1000, VS_ENABLE_REMOTE_WRITE,
process_input_streams_callback, inp, &inp->vstream);
virtual_stream_get_id(inp->vstream, prs->inp_id, sizeof(prs->inp_id));
}
static void send_event_process_exited(OutputStream * out, ChildProcess * prs) {
write_stringz(out, "E");
write_stringz(out, PROCESSES);
write_stringz(out, "exited");
json_write_string(out, pid2id(prs->pid, 0));
write_stream(out, 0);
json_write_long(out, prs->exit_code);
write_stream(out, 0);
write_stream(out, MARKER_EOM);
}
static ProcessOutput * read_process_output(ChildProcess * prs, int fd, char * id, size_t id_size) {
ProcessOutput * out = loc_alloc_zero(sizeof(ProcessOutput));
out->prs = prs;
out->req.client_data = out;
out->req.done = read_process_output_done;
out->req.type = AsyncReqRead;
out->req.u.fio.bufp = out->buf;
out->req.u.fio.bufsz = sizeof(out->buf);
out->req.u.fio.fd = fd;
virtual_stream_create(PROCESSES, pid2id(prs->pid, 0), 0x1000, VS_ENABLE_REMOTE_READ,
process_output_streams_callback, out, &out->vstream);
virtual_stream_get_id(out->vstream, id, id_size);
out->req_posted = 1;
async_req_post(&out->req);
return out;
}
static void write_context(OutputStream * out, int tid) {
Terminal * term = find_terminal(tid);
const char * id = NULL;
write_stream(out, '{');
if (term != NULL) {
unsigned ws_col = 0;
unsigned ws_row = 0;
get_process_tty_win_size(term->prs, &ws_col, &ws_row);
json_write_string(out, "ProcessID");
write_stream(out, ':');
json_write_string(out, pid2id(get_process_pid(term->prs), 0));
write_stream(out, ',');
if (*term->pty_type) {
json_write_string(out, "PtyType");
write_stream(out, ':');
json_write_string(out, term->pty_type);
write_stream(out, ',');
}
if (*term->encoding) {
json_write_string(out, "Encoding");
write_stream(out, ':');
json_write_string(out, term->encoding);
write_stream(out, ',');
}
json_write_string(out, "Width");
write_stream(out, ':');
json_write_ulong(out, ws_col);
write_stream(out, ',');
json_write_string(out, "Height");
write_stream(out, ':');
json_write_ulong(out, ws_row);
write_stream(out, ',');
id = get_process_stream_id(term->prs, 0);
if (id) {
json_write_string(out, "StdInID");
write_stream(out, ':');
json_write_string(out, id);
write_stream(out, ',');
}
id = get_process_stream_id(term->prs, 1);
if (id) {
json_write_string(out, "StdOutID");
write_stream(out, ':');
json_write_string(out, id);
write_stream(out, ',');
}
id = get_process_stream_id(term->prs, 2);
if (id) {
json_write_string(out, "StdErrID");
write_stream(out, ':');
json_write_string(out, id);
write_stream(out, ',');
}
}
json_write_string(out, "ID");
write_stream(out, ':');
json_write_string(out, tid2id(tid));
write_stream(out, '}');
}
static void event_handler(void * arg) {
struct event_info * info = (struct event_info *)arg;
Context * current_ctx = context_find_from_pid(info->current_ctx.ctxId, 1);
Context * stopped_ctx = context_find_from_pid(info->stopped_ctx.ctxId, 1);
switch (info->event) {
case EVENT_HOOK_BREAKPOINT:
if (stopped_ctx == NULL) break;
assert(!stopped_ctx->stopped);
assert(!EXT(stopped_ctx)->regs_dirty);
if (EXT(stopped_ctx)->regs_error) {
release_error_report(EXT(stopped_ctx)->regs_error);
EXT(stopped_ctx)->regs_error = NULL;
}
memcpy(EXT(stopped_ctx)->regs, &info->regs, sizeof(REG_SET));
EXT(stopped_ctx)->event = 0;
stopped_ctx->signal = SIGTRAP;
stopped_ctx->stopped = 1;
stopped_ctx->stopped_by_bp = info->bp_info_ok;
stopped_ctx->stopped_by_exception = 0;
assert(get_regs_PC(stopped_ctx) == info->addr);
if (stopped_ctx->stopped_by_bp && !is_breakpoint_address(stopped_ctx, info->addr)) {
/* Break instruction that is not planted by us */
stopped_ctx->stopped_by_bp = 0;
stopped_ctx->pending_intercept = 1;
}
EXT(stopped_ctx)->bp_info = info->bp_info;
if (current_ctx != NULL) EXT(stopped_ctx)->bp_pid = EXT(current_ctx)->pid;
assert(taskIsStopped(EXT(stopped_ctx)->pid));
trace(LOG_CONTEXT, "context: stopped by breakpoint: ctx %#lx, id %#x",
stopped_ctx, EXT(stopped_ctx)->pid);
send_context_stopped_event(stopped_ctx);
break;
case EVENT_HOOK_STEP_DONE:
if (current_ctx == NULL) break;
assert(!current_ctx->stopped);
assert(!EXT(current_ctx)->regs_dirty);
if (EXT(current_ctx)->regs_error) {
release_error_report(EXT(current_ctx)->regs_error);
EXT(current_ctx)->regs_error = NULL;
}
memcpy(EXT(current_ctx)->regs, &info->regs, sizeof(REG_SET));
EXT(current_ctx)->event = TRACE_EVENT_STEP;
current_ctx->signal = SIGTRAP;
current_ctx->stopped = 1;
current_ctx->stopped_by_bp = 0;
current_ctx->stopped_by_exception = 0;
assert(taskIsStopped(EXT(current_ctx)->pid));
trace(LOG_CONTEXT, "context: stopped by end of step: ctx %#lx, id %#x",
current_ctx, EXT(current_ctx)->pid);
send_context_stopped_event(current_ctx);
break;
case EVENT_HOOK_STOP:
if (stopped_ctx == NULL) break;
assert(!stopped_ctx->exited);
if (stopped_ctx->stopped) break;
if (EXT(stopped_ctx)->regs_error) {
release_error_report(EXT(stopped_ctx)->regs_error);
EXT(stopped_ctx)->regs_error = NULL;
}
if (taskRegsGet(EXT(stopped_ctx)->pid, EXT(stopped_ctx)->regs) != OK) {
EXT(stopped_ctx)->regs_error = get_error_report(errno);
assert(EXT(stopped_ctx)->regs_error != NULL);
}
EXT(stopped_ctx)->event = 0;
stopped_ctx->signal = SIGSTOP;
stopped_ctx->stopped = 1;
stopped_ctx->stopped_by_bp = 0;
stopped_ctx->stopped_by_exception = 0;
assert(taskIsStopped(EXT(stopped_ctx)->pid));
trace(LOG_CONTEXT, "context: stopped by sofware request: ctx %#lx, id %#x",
stopped_ctx, EXT(stopped_ctx)->pid);
send_context_stopped_event(stopped_ctx);
break;
case EVENT_HOOK_TASK_ADD:
if (current_ctx == NULL) break;
assert(stopped_ctx == NULL);
stopped_ctx = create_context(pid2id((pid_t)info->stopped_ctx.ctxId, EXT(current_ctx->parent)->pid));
EXT(stopped_ctx)->pid = (pid_t)info->stopped_ctx.ctxId;
EXT(stopped_ctx)->regs = (REG_SET *)loc_alloc(sizeof(REG_SET));
stopped_ctx->mem = current_ctx->mem;
stopped_ctx->big_endian = current_ctx->mem->big_endian;
(stopped_ctx->creator = current_ctx)->ref_count++;
(stopped_ctx->parent = current_ctx->parent)->ref_count++;
assert(stopped_ctx->mem == stopped_ctx->parent->mem);
list_add_last(&stopped_ctx->cldl, &stopped_ctx->parent->children);
link_context(stopped_ctx);
trace(LOG_CONTEXT, "context: created: ctx %#lx, id %#x",
stopped_ctx, EXT(stopped_ctx)->pid);
send_context_created_event(stopped_ctx);
break;
default:
assert(0);
break;
}
loc_free(info);
SPIN_LOCK_ISR_TAKE(&events_lock);
events_cnt--;
SPIN_LOCK_ISR_GIVE(&events_lock);
}
static void event_pid_stopped(pid_t pid, int signal, int event, int syscall) {
int stopped_by_exception = 0;
unsigned long msg = 0;
Context * ctx = NULL;
Context * ctx2 = NULL;
trace(LOG_EVENTS, "event: pid %d stopped, signal %d", pid, signal);
ctx = context_find_from_pid(pid, 1);
if (ctx == NULL) {
ctx = find_pending(pid);
if (ctx != NULL) {
Context * prs = ctx;
assert(prs->ref_count == 0);
ctx = create_context(pid2id(pid, pid));
EXT(ctx)->pid = pid;
EXT(ctx)->regs = (REG_SET *)loc_alloc(sizeof(REG_SET));
ctx->pending_intercept = 1;
ctx->mem = prs;
ctx->parent = prs;
ctx->big_endian = prs->big_endian;
prs->ref_count++;
list_add_last(&ctx->cldl, &prs->children);
link_context(prs);
link_context(ctx);
send_context_created_event(prs);
send_context_created_event(ctx);
if (EXT(prs)->attach_callback) {
EXT(prs)->attach_callback(0, prs, EXT(prs)->attach_data);
EXT(prs)->attach_callback = NULL;
EXT(prs)->attach_data = NULL;
}
}
}
if (ctx == NULL) return;
assert(!ctx->exited);
assert(!EXT(ctx)->attach_callback);
if (signal != SIGSTOP && signal != SIGTRAP) {
sigset_set(&ctx->pending_signals, signal, 1);
if (sigset_get(&ctx->sig_dont_stop, signal) == 0) {
ctx->pending_intercept = 1;
stopped_by_exception = 1;
}
}
if (ctx->stopped) {
send_context_changed_event(ctx);
}
else {
thread_state_t state;
unsigned int state_count;
ContextAddress pc0 = 0;
ContextAddress pc1 = 0;
assert(!EXT(ctx)->regs_dirty);
EXT(ctx)->end_of_step = 0;
EXT(ctx)->ptrace_event = event;
ctx->signal = signal;
ctx->stopped_by_bp = 0;
ctx->stopped_by_exception = stopped_by_exception;
ctx->stopped = 1;
if (EXT(ctx)->regs_error) {
release_error_report(EXT(ctx)->regs_error);
EXT(ctx)->regs_error = NULL;
}
else {
pc0 = get_regs_PC(ctx);
}
if (thread_get_state(EXT(ctx)->pid, x86_THREAD_STATE32, EXT(ctx)->regs, &state_count) != KERN_SUCCESS) {
assert(errno != 0);
EXT(ctx)->regs_error = get_error_report(errno);
trace(LOG_ALWAYS, "error: thread_get_state failed; id %s, error %d %s",
ctx->id, errno, errno_to_str(errno));
}
else {
pc1 = get_regs_PC(ctx);
}
if (!EXT(ctx)->syscall_enter || EXT(ctx)->regs_error || pc0 != pc1) {
EXT(ctx)->syscall_enter = 0;
EXT(ctx)->syscall_exit = 0;
EXT(ctx)->syscall_id = 0;
EXT(ctx)->syscall_pc = 0;
}
trace(LOG_EVENTS, "event: pid %d stopped at PC = %#lx", pid, pc1);
if (signal == SIGTRAP && event == 0 && !syscall) {
size_t break_size = 0;
get_break_instruction(ctx, &break_size);
ctx->stopped_by_bp = !EXT(ctx)->regs_error && is_breakpoint_address(ctx, pc1 - break_size);
EXT(ctx)->end_of_step = !ctx->stopped_by_bp && EXT(ctx)->pending_step;
if (ctx->stopped_by_bp) set_regs_PC(ctx, pc1 - break_size);
}
EXT(ctx)->pending_step = 0;
send_context_stopped_event(ctx);
}
}
static void write_context(OutputStream * out, Context * ctx, int is_thread) {
assert(!ctx->exited);
write_stream(out, '{');
json_write_string(out, "ID");
write_stream(out, ':');
json_write_string(out, is_thread ? thread_id(ctx) : container_id(ctx));
if (is_thread) {
write_stream(out, ',');
json_write_string(out, "ParentID");
write_stream(out, ':');
json_write_string(out, container_id(ctx));
}
#if !defined(_WRS_KERNEL)
write_stream(out, ',');
json_write_string(out, "ProcessID");
write_stream(out, ':');
json_write_string(out, pid2id(ctx->mem, 0));
#endif
#if !defined(WIN32) && !defined(_WRS_KERNEL)
if (!ctx->exiting && !is_thread) {
write_stream(out, ',');
json_write_string(out, "File");
write_stream(out, ':');
json_write_string(out, get_executable(ctx->pid));
}
#endif
if (is_thread) {
write_stream(out, ',');
json_write_string(out, "CanSuspend");
write_stream(out, ':');
json_write_boolean(out, 1);
write_stream(out, ',');
json_write_string(out, "CanResume");
write_stream(out, ':');
json_write_long(out, (1 << RM_RESUME) | (1 << RM_STEP_INTO));
write_stream(out, ',');
json_write_string(out, "HasState");
write_stream(out, ':');
json_write_boolean(out, 1);
}
#ifdef WIN32
if (!is_thread)
#endif
{
write_stream(out, ',');
json_write_string(out, "CanTerminate");
write_stream(out, ':');
json_write_boolean(out, 1);
}
write_stream(out, '}');
}
static void command_get_children(char * token, Channel * c) {
char id[256];
int attached_only;
json_read_string(&c->inp, id, sizeof(id));
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
attached_only = json_read_boolean(&c->inp);
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
if (id[0] != 0) {
write_errno(&c->out, 0);
write_stringz(&c->out, "null");
}
else {
#if defined(WIN32)
DWORD err = 0;
HANDLE snapshot;
PROCESSENTRY32 pe32;
snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (snapshot == INVALID_HANDLE_VALUE) err = set_win32_errno(GetLastError());
memset(&pe32, 0, sizeof(pe32));
pe32.dwSize = sizeof(PROCESSENTRY32);
if (!err && !Process32First(snapshot, &pe32)) {
err = set_win32_errno(GetLastError());
CloseHandle(snapshot);
}
write_errno(&c->out, err);
if (err) {
write_stringz(&c->out, "null");
}
else {
int cnt = 0;
write_stream(&c->out, '[');
do {
if (!attached_only || context_find_from_pid(pe32.th32ProcessID) != NULL) {
if (cnt > 0) write_stream(&c->out, ',');
json_write_string(&c->out, pid2id(pe32.th32ProcessID, 0));
cnt++;
}
}
while (Process32Next(snapshot, &pe32));
write_stream(&c->out, ']');
write_stream(&c->out, 0);
}
if (snapshot != INVALID_HANDLE_VALUE) CloseHandle(snapshot);
#elif defined(_WRS_KERNEL)
int i = 0;
int cnt = 0;
int ids_cnt = 0;
int ids_max = 500;
int * ids = (int *)loc_alloc(ids_max * sizeof(int));
for (;;) {
ids_cnt = taskIdListGet(ids, ids_max);
if (ids_cnt < ids_max) break;
loc_free(ids);
ids_max *= 2;
ids = (int *)loc_alloc(ids_max * sizeof(int));
}
write_errno(&c->out, 0);
write_stream(&c->out, '[');
for (i = 0; i < ids_cnt; i++) {
if (!attached_only || context_find_from_pid(ids[i]) != NULL) {
if (cnt > 0) write_stream(&c->out, ',');
json_write_string(&c->out, pid2id(ids[i], 0));
cnt++;
}
}
write_stream(&c->out, ']');
write_stream(&c->out, 0);
#elif defined(__APPLE__)
#else
DIR * proc = opendir("/proc");
if (proc == NULL) {
write_errno(&c->out, errno);
write_stringz(&c->out, "null");
}
else {
int cnt = 0;
write_errno(&c->out, 0);
write_stream(&c->out, '[');
for (;;) {
struct dirent * ent = readdir(proc);
if (ent == NULL) break;
if (ent->d_name[0] >= '1' && ent->d_name[0] <= '9') {
pid_t pid = atol(ent->d_name);
if (!attached_only || context_find_from_pid(pid) != NULL) {
if (cnt > 0) write_stream(&c->out, ',');
json_write_string(&c->out, pid2id(pid, 0));
cnt++;
}
}
}
write_stream(&c->out, ']');
write_stream(&c->out, 0);
closedir(proc);
}
#endif
}
write_stream(&c->out, MARKER_EOM);
}
static void event_pid_stopped(pid_t pid, int signal, int event, int syscall) {
int stopped_by_exception = 0;
Context * ctx = NULL;
trace(LOG_EVENTS, "event: pid %d stopped, signal %d, event %s", pid, signal, event_name(event));
ctx = context_find_from_pid(pid, 1);
if (ctx == NULL) {
ctx = find_pending(pid);
if (ctx != NULL) {
Context * prs = ctx;
assert(prs->ref_count == 0);
ctx = create_context(pid2id(pid, pid));
EXT(ctx)->pid = pid;
EXT(ctx)->regs = (REG_SET *)loc_alloc(sizeof(REG_SET));
ctx->pending_intercept = 1;
ctx->mem = prs;
ctx->parent = prs;
ctx->big_endian = prs->big_endian;
prs->ref_count++;
list_add_last(&ctx->cldl, &prs->children);
link_context(prs);
link_context(ctx);
send_context_created_event(prs);
send_context_created_event(ctx);
if (EXT(prs)->attach_callback) {
EXT(prs)->attach_callback(0, prs, EXT(prs)->attach_data);
EXT(prs)->attach_callback = NULL;
EXT(prs)->attach_data = NULL;
}
}
}
if (ctx == NULL) return;
assert(!ctx->exited);
assert(!EXT(ctx)->attach_callback);
if (signal != SIGSTOP && signal != SIGTRAP) {
assert(signal < 32);
ctx->pending_signals |= 1 << signal;
if ((ctx->sig_dont_stop & (1 << signal)) == 0) {
ctx->pending_intercept = 1;
stopped_by_exception = 1;
}
}
if (ctx->stopped) {
send_context_changed_event(ctx);
}
else {
ContextAddress pc0 = 0;
ContextAddress pc1 = 0;
assert(!EXT(ctx)->regs_dirty);
EXT(ctx)->end_of_step = 0;
EXT(ctx)->ptrace_event = event;
ctx->signal = signal;
ctx->stopped_by_bp = 0;
ctx->stopped_by_exception = stopped_by_exception;
ctx->stopped = 1;
if (EXT(ctx)->regs_error) {
release_error_report(EXT(ctx)->regs_error);
EXT(ctx)->regs_error = NULL;
}
else {
pc0 = get_regs_PC(ctx);
}
if (ptrace(PTRACE_GETREGS, EXT(ctx)->pid, 0, (int)EXT(ctx)->regs) < 0) {
assert(errno != 0);
if (errno == ESRCH) {
/* Racing condition: somebody resumed this context while we are handling stop event.
*
* One possible cause: main thread has exited forcing children to exit too.
* I beleive it is a bug in PTRACE implementation - PTRACE should delay exiting of
* a context while it is stopped, but it does not, which causes a nasty racing.
*
* Workaround: Ignore current event, assume context is running.
*/
ctx->stopped = 0;
return;
}
EXT(ctx)->regs_error = get_error_report(errno);
trace(LOG_ALWAYS, "error: ptrace(PTRACE_GETREGS) failed; id %s, error %d %s",
ctx->id, errno, errno_to_str(errno));
}
else {
pc1 = get_regs_PC(ctx);
}
trace(LOG_EVENTS, "event: pid %d stopped at PC = %#lx", pid, pc1);
if (signal == SIGTRAP && event == 0 && !syscall) {
size_t break_size = 0;
get_break_instruction(ctx, &break_size);
ctx->stopped_by_bp = !EXT(ctx)->regs_error && is_breakpoint_address(ctx, pc1 - break_size);
EXT(ctx)->end_of_step = !ctx->stopped_by_bp && EXT(ctx)->pending_step;
if (ctx->stopped_by_bp) set_regs_PC(ctx, pc1 - break_size);
}
EXT(ctx)->pending_step = 0;
send_context_stopped_event(ctx);
}
}