static void command_get_signal_mask(char * token, Channel * c) {
int err = 0;
char id[256];
pid_t pid;
Context * ctx = NULL;
json_read_string(&c->inp, id, sizeof(id));
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
pid = id2pid(id, NULL);
ctx = context_find_from_pid(pid);
if (ctx == NULL) err = ERR_INV_CONTEXT;
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_errno(&c->out, err);
if (ctx == NULL) {
write_stringz(&c->out, "null");
write_stringz(&c->out, "null");
write_stringz(&c->out, "null");
}
else {
json_write_long(&c->out, ctx->sig_dont_stop);
write_stream(&c->out, 0);
json_write_long(&c->out, ctx->sig_dont_pass);
write_stream(&c->out, 0);
json_write_long(&c->out, ctx->pending_signals);
write_stream(&c->out, 0);
}
write_stream(&c->out, MARKER_EOM);
}
static void command_read(char * token, Channel * c) {
char id[256];
size_t size;
int err = 0;
json_read_string(&c->inp, id, sizeof(id));
json_test_char(&c->inp, MARKER_EOA);
size = json_read_ulong(&c->inp);
json_test_char(&c->inp, MARKER_EOA);
json_test_char(&c->inp, MARKER_EOM);
if (virtual_stream_read(c, token, id, size) < 0) err = errno;
if (err != 0) {
/*
* Handle reply with an error. If none error was detected, the reply
* was sent back by virtual_stream_read() or delayed.
*/
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_stringz(&c->out, "null");
write_errno(&c->out, err);
json_write_long(&c->out, 0);
write_stream(&c->out, 0);
json_write_boolean(&c->out, 0);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
}
}
static int send_packet(PortConnection * conn, char * buffer, size_t size) {
JsonWriteBinaryState state;
assert (is_dispatch_thread());
assert (conn->pending_write_request < MAX_STREAM_WRITE);
protocol_send_command(conn->server->channel, "Streams", "write", write_stream_done,
conn);
json_write_string(&conn->server->channel->out, conn->out_stream_id);
write_stream(&conn->server->channel->out, 0);
json_write_long(&conn->server->channel->out, size);
write_stream(&conn->server->channel->out, MARKER_EOA);
json_write_binary_start(&state, &conn->server->channel->out, size);
json_write_binary_data(&state, buffer, size);
json_write_binary_end(&state);
write_stream(&conn->server->channel->out, MARKER_EOA);
write_stream(&conn->server->channel->out, MARKER_EOM);
conn->pending_write_request ++;
if (conn->pending_write_request == MAX_STREAM_WRITE) {
return 0;
}
else {
send_packet_callback(conn, 0);
}
return 0;
}
static void send_read_reply(StreamClient * client, char * token, size_t size) {
VirtualStream * stream = client->stream;
Channel * c = client->channel;
unsigned lost = 0;
unsigned read1 = 0;
unsigned read2 = 0;
int eos = 0;
char * data1 = NULL;
char * data2 = NULL;
unsigned pos = 0;
unsigned len = (stream->buf_inp + stream->buf_len - stream->buf_out) % stream->buf_len;
assert(len > 0 || stream->eos);
assert(client->pos <= stream->pos);
if ((uint64_t)len < stream->pos - client->pos) {
lost = (long)(stream->pos - client->pos - len);
}
else {
len = (unsigned)(stream->pos - client->pos);
}
pos = (stream->buf_inp + stream->buf_len - len) % stream->buf_len;
if (len > size) len = size;
data1 = stream->buf + pos;
if (pos + len <= stream->buf_len) {
read1 = len;
}
else {
read1 = stream->buf_len - pos;
data2 = stream->buf;
read2 = len - read1;
}
assert(read1 + read2 == len);
client->pos += lost + read1 + read2;
assert(client->pos <= stream->pos);
if (client->pos == stream->pos && stream->eos) eos = 1;
assert(eos || lost + read1 + read2 > 0);
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
if (read1 + read2 > 0) {
JsonWriteBinaryState state;
json_write_binary_start(&state, &c->out, read1 + read2);
json_write_binary_data(&state, data1, read1);
json_write_binary_data(&state, data2, read2);
json_write_binary_end(&state);
write_stream(&c->out, 0);
}
else {
write_stringz(&c->out, "null");
}
write_errno(&c->out, 0);
json_write_long(&c->out, lost);
write_stream(&c->out, 0);
json_write_boolean(&c->out, eos);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
flush_stream(&c->out);
}
static void command_user(char * token, Channel * c) {
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
json_write_long(&c->out, getuid());
write_stream(&c->out, 0);
json_write_long(&c->out, geteuid());
write_stream(&c->out, 0);
json_write_long(&c->out, getgid());
write_stream(&c->out, 0);
json_write_long(&c->out, getegid());
write_stream(&c->out, 0);
json_write_string(&c->out, get_user_home());
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
}
static void write_file_attrs(OutputStream * out, FileAttrs * attrs) {
int cnt = 0;
if (attrs == NULL) {
write_stringz(out, "null");
return;
}
write_stream(out, '{');
if (attrs->flags & ATTR_SIZE) {
json_write_string(out, "Size");
write_stream(out, ':');
json_write_int64(out, attrs->size);
cnt++;
}
if (attrs->flags & ATTR_UIDGID) {
if (cnt) write_stream(out, ',');
json_write_string(out, "UID");
write_stream(out, ':');
json_write_long(out, attrs->uid);
write_stream(out, ',');
json_write_string(out, "GID");
write_stream(out, ':');
json_write_long(out, attrs->gid);
cnt++;
}
if (attrs->flags & ATTR_SIZE) {
if (cnt) write_stream(out, ',');
json_write_string(out, "Permissions");
write_stream(out, ':');
json_write_long(out, attrs->permissions);
cnt++;
}
if (attrs->flags & ATTR_ACMODTIME) {
if (cnt) write_stream(out, ',');
json_write_string(out, "ATime");
write_stream(out, ':');
json_write_int64(out, attrs->atime);
write_stream(out, ',');
json_write_string(out, "MTime");
write_stream(out, ':');
json_write_int64(out, attrs->mtime);
cnt++;
}
write_stream(out, '}');
}
static void command_get_signal_list(char * token, Channel * c) {
int err = 0;
char id[256];
pid_t pid;
json_read_string(&c->inp, id, sizeof(id));
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
pid = id2pid(id, NULL);
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
/* pid is ignored, same signal list for all */
write_errno(&c->out, err);
if (err) {
write_stringz(&c->out, "null");
}
else {
int i = 0;
int n = 0;
write_stream(&c->out, '[');
for (i = 0; i < 32; i++) {
char * name = signal_name(i);
char * desc = signal_description(i);
if (name != NULL || desc != NULL) {
if (n > 0) write_stream(&c->out, ',');
write_stream(&c->out, '{');
json_write_string(&c->out, "Index");
write_stream(&c->out, ':');
json_write_long(&c->out, i);
if (name != NULL) {
write_stream(&c->out, ',');
json_write_string(&c->out, "Name");
write_stream(&c->out, ':');
json_write_string(&c->out, name);
}
if (desc != NULL) {
write_stream(&c->out, ',');
json_write_string(&c->out, "Description");
write_stream(&c->out, ':');
json_write_string(&c->out, desc);
}
write_stream(&c->out, ',');
json_write_string(&c->out, "Code");
write_stream(&c->out, ':');
json_write_ulong(&c->out, signal_code(i));
write_stream(&c->out, '}');
n++;
}
}
write_stream(&c->out, ']');
write_stream(&c->out, 0);
}
write_stream(&c->out, MARKER_EOM);
}
static void send_event_terminal_win_size_changed(OutputStream * out, Terminal * term) {
unsigned ws_col = 0;
unsigned ws_row = 0;
get_process_tty_win_size(term->prs, &ws_col, &ws_row);
write_stringz(out, "E");
write_stringz(out, TERMINALS);
write_stringz(out, "winSizeChanged");
json_write_string(out, tid2id(get_process_pid(term->prs)));
write_stream(out, 0);
json_write_long(out, ws_col);
write_stream(out, 0);
json_write_long(out, ws_row);
write_stream(out, 0);
write_stream(out, MARKER_EOM);
}
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 void write_context_state(OutputStream * out, Context * ctx) {
int fst = 1;
assert(!ctx->exited);
if (!ctx->intercepted) {
write_stringz(out, "0");
write_stringz(out, "null");
write_stringz(out, "null");
return;
}
/* Number: PC */
json_write_ulong(out, get_regs_PC(ctx->regs));
write_stream(out, 0);
/* String: Reason */
json_write_string(out, context_suspend_reason(ctx));
write_stream(out, 0);
/* Object: Additional context state info */
write_stream(out, '{');
if (ctx->signal) {
json_write_string(out, "Signal");
write_stream(out, ':');
json_write_long(out, ctx->signal);
if (signal_name(ctx->signal)) {
write_stream(out, ',');
json_write_string(out, "SignalName");
write_stream(out, ':');
json_write_string(out, signal_name(ctx->signal));
}
fst = 0;
}
if (ctx->stopped_by_bp && ctx->bp_ids != NULL && ctx->bp_ids[0] != NULL) {
int i = 0;
if (!fst) write_stream(out, ',');
json_write_string(out, "BPs");
write_stream(out, ':');
write_stream(out, '[');
while (ctx->bp_ids[i] != NULL) {
if (i > 0) write_stream(out, ',');
json_write_string(out, ctx->bp_ids[i++]);
}
write_stream(out, ']');
fst = 0;
}
write_stream(out, '}');
write_stream(out, 0);
}
static void command_read(char * token, Channel * c) {
char id[256];
size_t size = 0;
StreamClient * client = NULL;
int err = 0;
json_read_string(&c->inp, id, sizeof(id));
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
size = json_read_ulong(&c->inp);
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
client = find_client(id, c);
if (client == NULL) err = errno;
if (!err && (client->stream->access & VS_ENABLE_REMOTE_READ) == 0) err = ERR_UNSUPPORTED;
if (err == 0) {
VirtualStream * stream = client->stream;
if (client->pos == stream->pos && !stream->eos) {
ReadRequest * r = loc_alloc_zero(sizeof(ReadRequest));
list_init(&r->link_client);
r->client = client;
r->size = size;
strncpy(r->token, token, sizeof(r->token) - 1);
list_add_last(&r->link_client, &client->read_requests);
}
else {
assert(list_is_empty(&client->read_requests));
assert(client->channel == c);
send_read_reply(client, token, size);
advance_stream_buffer(stream);
}
}
else {
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_stringz(&c->out, "null");
write_errno(&c->out, err);
json_write_long(&c->out, 0);
write_stream(&c->out, 0);
json_write_boolean(&c->out, 0);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
}
}
static int read_packet(PortConnection * conn, int idx) {
assert (is_dispatch_thread());
assert ((conn->pending_read_request & (1 << idx)) == 0);
if (conn->pending_read_request & (1 << idx)) {
errno = ERR_IS_RUNNING;
return -1;
}
port_lock(conn);
conn->pending_read_request |= (1 << idx);
(void) protocol_send_command(conn->server->channel, "Streams", "read", read_stream_done,
&conn->read_info[idx]);
json_write_string(&conn->server->channel->out, conn->in_stream_id);
write_stream(&conn->server->channel->out, 0);
json_write_long(&conn->server->channel->out, sizeof conn->read_buffer[idx]);
write_stream(&conn->server->channel->out, MARKER_EOA);
write_stream(&conn->server->channel->out, MARKER_EOM);
return 0;
}
static void delete_read_request(ReadRequest * r) {
Channel * c = r->client->channel;
Trap trap;
if (set_trap(&trap)) {
write_stringz(&c->out, "R");
write_stringz(&c->out, r->token);
write_stringz(&c->out, "null");
write_errno(&c->out, ERR_COMMAND_CANCELLED);
json_write_long(&c->out, 0);
write_stream(&c->out, 0);
json_write_boolean(&c->out, 1);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
clear_trap(&trap);
}
else {
trace(LOG_ALWAYS, "Exception handling pending stream read command: %d %s",
trap.error, errno_to_str(trap.error));
}
list_remove(&r->link_client);
loc_free(r);
}
static void write_context(OutputStream * out, char * id,
Context * ctx, int frame, RegisterDefinition * reg_def) {
assert(!ctx->exited);
write_stream(out, '{');
json_write_string(out, "ID");
write_stream(out, ':');
json_write_string(out, id);
write_stream(out, ',');
json_write_string(out, "ParentID");
write_stream(out, ':');
if (reg_def->parent != NULL) {
json_write_string(out, register2id(ctx, frame, reg_def->parent));
}
else if (frame < 0 || is_top_frame(ctx, frame)) {
json_write_string(out, ctx->id);
}
else {
json_write_string(out, frame2id(ctx, frame));
}
write_stream(out, ',');
json_write_string(out, "ProcessID");
write_stream(out, ':');
json_write_string(out, context_get_group(ctx, CONTEXT_GROUP_PROCESS)->id);
write_stream(out, ',');
json_write_string(out, "Name");
write_stream(out, ':');
json_write_string(out, reg_def->name);
if (reg_def->size > 0) {
write_stream(out, ',');
json_write_string(out, "Size");
write_stream(out, ':');
json_write_long(out, reg_def->size);
}
if (reg_def->dwarf_id >= 0) {
write_stream(out, ',');
json_write_string(out, "DwarfID");
write_stream(out, ':');
json_write_long(out, reg_def->dwarf_id);
}
if (reg_def->eh_frame_id >= 0) {
write_stream(out, ',');
json_write_string(out, "EhFrameID");
write_stream(out, ':');
json_write_long(out, reg_def->eh_frame_id);
}
write_boolean_member(out, "BigEndian", reg_def->big_endian);
write_boolean_member(out, "Float", reg_def->fp_value);
write_boolean_member(out, "Readable", !reg_def->no_read);
write_boolean_member(out, "Writeable", !reg_def->no_write);
write_boolean_member(out, "ReadOnce", reg_def->read_once);
write_boolean_member(out, "WriteOnce", reg_def->write_once);
write_boolean_member(out, "Volatile", reg_def->volatile_value);
write_boolean_member(out, "SideEffects", reg_def->side_effects);
write_boolean_member(out, "LeftToRight", reg_def->left_to_right);
if (reg_def->first_bit > 0) {
write_stream(out, ',');
json_write_string(out, "FirstBit");
write_stream(out, ':');
json_write_long(out, reg_def->first_bit);
}
if (reg_def->bits != NULL) {
int i = 0;
write_stream(out, ',');
json_write_string(out, "Bits");
write_stream(out, ':');
write_stream(out, '[');
while (reg_def->bits[i] >= 0) {
if (i > 0) write_stream(out, ',');
json_write_long(out, reg_def->bits[i++]);
}
write_stream(out, ']');
}
if (reg_def->values != NULL) {
int i = 0;
write_stream(out, ',');
json_write_string(out, "Values");
write_stream(out, ':');
write_stream(out, '[');
while (reg_def->values[i] != NULL) {
NamedRegisterValue * v = reg_def->values[i++];
if (i > 1) write_stream(out, ',');
write_stream(out, '{');
json_write_string(out, "Value");
write_stream(out, ':');
json_write_binary(out, v->value, reg_def->size);
if (v->name != NULL) {
write_stream(out, ',');
json_write_string(out, "Name");
write_stream(out, ':');
json_write_string(out, v->name);
}
if (v->description != NULL) {
write_stream(out, ',');
json_write_string(out, "Description");
write_stream(out, ':');
json_write_string(out, v->description);
}
write_stream(out, '}');
}
write_stream(out, ']');
}
if (reg_def->memory_address > 0) {
write_stream(out, ',');
json_write_string(out, "MemoryAddress");
write_stream(out, ':');
json_write_uint64(out, reg_def->memory_address);
}
if (reg_def->memory_context != NULL) {
write_stream(out, ',');
json_write_string(out, "MemoryContext");
write_stream(out, ':');
json_write_string(out, reg_def->memory_context);
}
if (reg_def->role != NULL) {
write_stream(out, ',');
json_write_string(out, "Role");
write_stream(out, ':');
json_write_string(out, reg_def->role);
}
else if (reg_def == get_PC_definition(ctx)) {
write_stream(out, ',');
json_write_string(out, "Role");
write_stream(out, ':');
json_write_string(out, "PC");
}
if (reg_def->description != NULL) {
write_stream(out, ',');
json_write_string(out, "Description");
write_stream(out, ':');
json_write_string(out, reg_def->description);
}
if (reg_def->size > 0) {
RegisterDefinition * parent_reg_def = NULL;
parent_reg_def = reg_def->parent;
while (parent_reg_def != NULL && parent_reg_def->size == 0) parent_reg_def = parent_reg_def->parent;
if (parent_reg_def != NULL) {
if (reg_def->offset >= parent_reg_def->offset &&
reg_def->offset + reg_def->size <= parent_reg_def->offset + parent_reg_def->size) {
write_stream(out, ',');
json_write_string(out, "Offset");
write_stream(out, ':');
json_write_uint64(out, reg_def->offset - parent_reg_def->offset);
}
}
}
write_stream(out, '}');
write_stream(out, 0);
}
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_context(char * token, Channel * c) {
int err = 0;
char id[256];
Symbol sym;
json_read_string(&c->inp, id, sizeof(id));
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
if (id2symbol(id, &sym) < 0) err = errno;
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_errno(&c->out, err);
if (err == 0) {
char * name = NULL;
int type_class = TYPE_CLASS_UNKNOWN;
Symbol type;
size_t size = 0;
void * value = NULL;
unsigned long length = 0;
unsigned long offset = 0;
ContextAddress address = 0;
int frame = STACK_NO_FRAME; /* TODO: symbol frame */
write_stream(&c->out, '{');
json_write_string(&c->out, "ID");
write_stream(&c->out, ':');
json_write_string(&c->out, id);
write_stream(&c->out, ',');
json_write_string(&c->out, "ExeID");
write_stream(&c->out, ':');
json_write_string(&c->out, container_id(sym.ctx));
write_stream(&c->out, ',');
if (get_symbol_name(&sym, &name) == 0 && name != NULL) {
json_write_string(&c->out, "Name");
write_stream(&c->out, ':');
json_write_string(&c->out, name);
write_stream(&c->out, ',');
loc_free(name);
}
if (get_symbol_type_class(&sym, &type_class) == 0 && type_class != TYPE_CLASS_UNKNOWN) {
json_write_string(&c->out, "TypeClass");
write_stream(&c->out, ':');
json_write_long(&c->out, type_class);
write_stream(&c->out, ',');
}
if (get_symbol_type(&sym, &type) == 0) {
json_write_string(&c->out, "TypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(&type));
write_stream(&c->out, ',');
}
if (get_symbol_base_type(&sym, &type) == 0) {
json_write_string(&c->out, "BaseTypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(&type));
write_stream(&c->out, ',');
}
if (get_symbol_index_type(&sym, &type) == 0) {
json_write_string(&c->out, "IndexTypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(&type));
write_stream(&c->out, ',');
}
if (get_symbol_size(&sym, frame, &size) == 0) {
json_write_string(&c->out, "Size");
write_stream(&c->out, ':');
json_write_long(&c->out, size);
write_stream(&c->out, ',');
}
if (get_symbol_length(&sym, frame, &length) == 0) {
json_write_string(&c->out, "Length");
write_stream(&c->out, ':');
json_write_long(&c->out, length);
write_stream(&c->out, ',');
}
if (sym.sym_class == SYM_CLASS_REFERENCE) {
if (get_symbol_offset(&sym, &offset) == 0) {
json_write_string(&c->out, "Offset");
write_stream(&c->out, ':');
json_write_long(&c->out, offset);
write_stream(&c->out, ',');
}
if (get_symbol_address(&sym, frame, &address) == 0) {
json_write_string(&c->out, "Address");
write_stream(&c->out, ':');
json_write_long(&c->out, address);
write_stream(&c->out, ',');
}
}
if (sym.sym_class == SYM_CLASS_VALUE && get_symbol_value(&sym, &value, &size) == 0) {
json_write_string(&c->out, "Value");
write_stream(&c->out, ':');
json_write_binary(&c->out, value, size);
write_stream(&c->out, ',');
}
json_write_string(&c->out, "Class");
write_stream(&c->out, ':');
json_write_long(&c->out, sym.sym_class);
write_stream(&c->out, '}');
write_stream(&c->out, 0);
}
else {
write_stringz(&c->out, "null");
}
write_stream(&c->out, MARKER_EOM);
}
static void write_commands(OutputStream * out, Context * ctx, LocationExpressionCommand * cmds, unsigned cnt) {
if (cmds != NULL) {
unsigned i;
write_stream(out, '[');
for (i = 0; i < cnt; i++) {
LocationExpressionCommand * cmd = cmds + i;
if (i > 0) write_stream(out, ',');
json_write_long(out, cmd->cmd);
switch (cmd->cmd) {
case SFT_CMD_NUMBER:
write_stream(out, ',');
json_write_int64(out, cmd->args.num);
break;
case SFT_CMD_ARG:
case SFT_CMD_SET_ARG:
write_stream(out, ',');
json_write_ulong(out, cmd->args.arg_no);
break;
case SFT_CMD_RD_REG:
case SFT_CMD_WR_REG:
write_stream(out, ',');
json_write_string(out, register2id(ctx, STACK_NO_FRAME, cmd->args.reg));
break;
case SFT_CMD_RD_MEM:
case SFT_CMD_WR_MEM:
case SFT_CMD_LOAD:
write_stream(out, ',');
json_write_ulong(out, cmd->args.mem.size);
write_stream(out, ',');
json_write_boolean(out, cmd->args.mem.big_endian);
break;
case SFT_CMD_LOCATION:
write_stream(out, ',');
json_write_binary(out, cmd->args.loc.code_addr, cmd->args.loc.code_size);
write_stream(out, ',');
write_stream(out, '{');
json_write_string(out, "Machine");
write_stream(out, ':');
json_write_long(out, cmd->args.loc.reg_id_scope.machine);
write_stream(out, ',');
if (cmd->args.loc.reg_id_scope.os_abi) {
json_write_string(out, "ABI");
write_stream(out, ':');
json_write_long(out, cmd->args.loc.reg_id_scope.os_abi);
write_stream(out, ',');
}
if (cmd->args.loc.reg_id_scope.fp_abi) {
json_write_string(out, "FPABI");
write_stream(out, ':');
json_write_long(out, cmd->args.loc.reg_id_scope.fp_abi);
write_stream(out, ',');
}
json_write_string(out, "ELF64");
write_stream(out, ':');
json_write_boolean(out, cmd->args.loc.reg_id_scope.elf64);
write_stream(out, ',');
json_write_string(out, "RegIdType");
write_stream(out, ':');
json_write_long(out, cmd->args.loc.reg_id_scope.id_type);
write_stream(out, ',');
json_write_string(out, "AddrSize");
write_stream(out, ':');
json_write_long(out, cmd->args.loc.addr_size);
write_stream(out, ',');
json_write_string(out, "BigEndian");
write_stream(out, ':');
json_write_boolean(out, cmd->args.loc.reg_id_scope.big_endian);
write_stream(out, '}');
break;
case SFT_CMD_PIECE:
write_stream(out, ',');
json_write_ulong(out, cmd->args.piece.bit_offs);
write_stream(out, ',');
json_write_ulong(out, cmd->args.piece.bit_size);
write_stream(out, ',');
if (cmd->args.piece.reg == NULL) write_string(out, "null");
else json_write_string(out, register2id(ctx, STACK_NO_FRAME, cmd->args.piece.reg));
write_stream(out, ',');
if (cmd->args.piece.value == NULL) write_string(out, "null");
else json_write_binary(out, cmd->args.piece.value, (cmd->args.piece.bit_size + 7) / 8);
break;
}
}
write_stream(out, ']');
}
else {
write_string(out, "null");
}
}
static void command_get_context_cache_client(void * x) {
CommandGetContextArgs * args = (CommandGetContextArgs *)x;
Channel * c = cache_channel();
int err = 0;
Symbol * sym = NULL;
char * owner = NULL;
char * name = NULL;
int update_policy = 0;
int sym_class = SYM_CLASS_UNKNOWN;
int type_class = TYPE_CLASS_UNKNOWN;
Symbol * type = NULL;
Symbol * base = NULL;
Symbol * index = NULL;
Symbol * container = NULL;
int has_size = 0;
int has_length = 0;
int has_lower_bound = 0;
int has_offset = 0;
int has_address = 0;
int has_frame = 0;
int big_endian = 0;
ContextAddress size = 0;
ContextAddress length = 0;
int64_t lower_bound = 0;
ContextAddress offset = 0;
ContextAddress address = 0;
RegisterDefinition * reg = NULL;
SYM_FLAGS flags = 0;
void * value = NULL;
size_t value_size = 0;
Context * ctx = NULL;
int frame = STACK_NO_FRAME;
SymbolProperties props;
memset(&props, 0, sizeof(props));
if (id2symbol(args->id, &sym) < 0) err = errno;
if (err == 0) {
get_symbol_class(sym, &sym_class);
get_symbol_update_policy(sym, &owner, &update_policy);
get_symbol_name(sym, &name);
get_symbol_type_class(sym, &type_class);
get_symbol_type(sym, &type);
get_symbol_base_type(sym, &base);
get_symbol_index_type(sym, &index);
get_symbol_container(sym, &container);
has_frame = get_symbol_frame(sym, &ctx, &frame) == 0;
has_size = get_symbol_size(sym, &size) == 0;
if (type_class == TYPE_CLASS_ARRAY) {
has_length = get_symbol_length(sym, &length) == 0;
if (has_length) has_lower_bound = get_symbol_lower_bound(sym, &lower_bound) == 0;
}
if (sym_class == SYM_CLASS_REFERENCE || sym_class == SYM_CLASS_FUNCTION ||
sym_class == SYM_CLASS_VALUE || sym_class == SYM_CLASS_TYPE ||
sym_class == SYM_CLASS_VARIANT_PART) {
LocationInfo * loc_info = NULL;
if (has_frame && get_location_info(sym, &loc_info) == 0) {
LocationExpressionState * state = NULL;
if (loc_info->args_cnt == 0) {
/* Absolute location */
state = evaluate_location(ctx, frame, loc_info);
if (state != NULL) {
if (state->stk_pos == 1) {
address = (ContextAddress)state->stk[0];
has_address = 1;
}
if (state->pieces_cnt == 1 && state->pieces->reg != NULL &&
state->pieces->reg->size == state->pieces->size) {
reg = state->pieces->reg;
}
if (state->pieces_cnt > 0) {
Trap trap;
if (set_trap(&trap)) {
read_location_pieces(state->ctx, state->stack_frame,
state->pieces, state->pieces_cnt, loc_info->big_endian, &value, &value_size);
big_endian = loc_info->big_endian;
clear_trap(&trap);
}
}
}
}
else if (loc_info->args_cnt == 1) {
/* Relative location */
state = evaluate_location(ctx, frame, loc_info);
if (state != NULL && state->stk_pos == 1) {
offset = (ContextAddress)state->stk[0];
has_offset = 1;
}
}
}
}
get_symbol_flags(sym, &flags);
get_symbol_props(sym, &props);
}
cache_exit();
write_stringz(&c->out, "R");
write_stringz(&c->out, args->token);
write_errno(&c->out, err);
if (err == 0) {
write_stream(&c->out, '{');
json_write_string(&c->out, "ID");
write_stream(&c->out, ':');
json_write_string(&c->out, args->id);
write_stream(&c->out, ',');
if (owner != NULL) {
json_write_string(&c->out, "OwnerID");
write_stream(&c->out, ':');
json_write_string(&c->out, owner);
write_stream(&c->out, ',');
json_write_string(&c->out, "UpdatePolicy");
write_stream(&c->out, ':');
json_write_long(&c->out, update_policy);
write_stream(&c->out, ',');
}
if (name != NULL) {
json_write_string(&c->out, "Name");
write_stream(&c->out, ':');
json_write_string(&c->out, name);
write_stream(&c->out, ',');
}
if (type_class != TYPE_CLASS_UNKNOWN) {
json_write_string(&c->out, "TypeClass");
write_stream(&c->out, ':');
json_write_long(&c->out, type_class);
write_stream(&c->out, ',');
}
if (type != NULL) {
json_write_string(&c->out, "TypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(type));
write_stream(&c->out, ',');
}
if (base != NULL) {
json_write_string(&c->out, "BaseTypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(base));
write_stream(&c->out, ',');
}
if (index != NULL) {
json_write_string(&c->out, "IndexTypeID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(index));
write_stream(&c->out, ',');
}
if (container != NULL) {
json_write_string(&c->out, "ContainerID");
write_stream(&c->out, ':');
json_write_string(&c->out, symbol2id(container));
write_stream(&c->out, ',');
}
if (has_size) {
json_write_string(&c->out, "Size");
write_stream(&c->out, ':');
json_write_uint64(&c->out, size);
write_stream(&c->out, ',');
}
if (has_length) {
json_write_string(&c->out, "Length");
write_stream(&c->out, ':');
json_write_uint64(&c->out, length);
write_stream(&c->out, ',');
if (has_lower_bound) {
json_write_string(&c->out, "LowerBound");
write_stream(&c->out, ':');
json_write_int64(&c->out, lower_bound);
write_stream(&c->out, ',');
json_write_string(&c->out, "UpperBound");
write_stream(&c->out, ':');
json_write_int64(&c->out, lower_bound + (int64_t)length - 1);
write_stream(&c->out, ',');
}
}
if (has_offset) {
json_write_string(&c->out, "Offset");
write_stream(&c->out, ':');
json_write_uint64(&c->out, offset);
write_stream(&c->out, ',');
}
if (has_address) {
json_write_string(&c->out, "Address");
write_stream(&c->out, ':');
json_write_uint64(&c->out, address);
write_stream(&c->out, ',');
}
if (reg != NULL && has_frame) {
json_write_string(&c->out, "Register");
write_stream(&c->out, ':');
json_write_string(&c->out, register2id(ctx, frame, reg));
write_stream(&c->out, ',');
}
if (flags) {
json_write_string(&c->out, "Flags");
write_stream(&c->out, ':');
json_write_long(&c->out, flags);
write_stream(&c->out, ',');
}
if (props.binary_scale != 0) {
json_write_string(&c->out, "BinaryScale");
write_stream(&c->out, ':');
json_write_long(&c->out, props.binary_scale);
write_stream(&c->out, ',');
}
if (props.decimal_scale != 0) {
json_write_string(&c->out, "DecimalScale");
write_stream(&c->out, ':');
json_write_long(&c->out, props.decimal_scale);
write_stream(&c->out, ',');
}
if (props.bit_stride != 0) {
json_write_string(&c->out, "BitStride");
write_stream(&c->out, ':');
json_write_ulong(&c->out, props.bit_stride);
write_stream(&c->out, ',');
}
if (props.local_entry_offset != 0) {
json_write_string(&c->out, "LocalEntryOffset");
write_stream(&c->out, ':');
json_write_ulong(&c->out, props.local_entry_offset);
write_stream(&c->out, ',');
}
if (value != NULL) {
json_write_string(&c->out, "Value");
write_stream(&c->out, ':');
json_write_binary(&c->out, value, value_size);
write_stream(&c->out, ',');
if (big_endian) {
json_write_string(&c->out, "BigEndian");
write_stream(&c->out, ':');
json_write_boolean(&c->out, 1);
write_stream(&c->out, ',');
}
}
if (has_frame && frame != STACK_NO_FRAME) {
json_write_string(&c->out, "Frame");
write_stream(&c->out, ':');
json_write_long(&c->out, frame);
write_stream(&c->out, ',');
}
json_write_string(&c->out, "Class");
write_stream(&c->out, ':');
json_write_long(&c->out, sym_class);
write_stream(&c->out, '}');
write_stream(&c->out, 0);
}
else {
write_stringz(&c->out, "null");
}
write_stream(&c->out, MARKER_EOM);
}