static void reply_read(char * token, OutputStream * out, int err, void * buf, unsigned len, int eof) {
write_stringz(out, "R");
write_stringz(out, token);
json_write_binary(out, buf, len);
write_stream(out, 0);
write_fs_errno(out, err);
json_write_boolean(out, eof);
write_stream(out, 0);
write_stream(out, MARKER_EOM);
}
static void command_get_cache_client(void * x) {
GetArgs * args = (GetArgs *)x;
Channel * c = cache_channel();
Trap trap;
bbf_pos = 0;
if (set_trap(&trap)) {
int frame = 0;
Context * ctx = NULL;
RegisterDefinition * reg_def = NULL;
if (id2register(args->id, &ctx, &frame, ®_def) < 0) exception(errno);
if (ctx->exited) exception(ERR_ALREADY_EXITED);
if ((ctx->reg_access & REG_ACCESS_RD_STOP) != 0) {
check_all_stopped(ctx);
}
if ((ctx->reg_access & REG_ACCESS_RD_RUNNING) == 0) {
if (!ctx->stopped && context_has_state(ctx))
str_exception(ERR_IS_RUNNING, "Cannot read register if not stopped");
}
if (reg_def->size > bbf_len) {
bbf_len += 0x100 + reg_def->size;
bbf = (uint8_t *)loc_realloc(bbf, bbf_len);
}
bbf_pos = reg_def->size;
memset(bbf, 0, reg_def->size);
if (frame < 0 || is_top_frame(ctx, frame)) {
if (context_read_reg(ctx, reg_def, 0, reg_def->size, bbf) < 0) exception(errno);
}
else {
StackFrame * info = NULL;
if (get_frame_info(ctx, frame, &info) < 0) exception(errno);
if (read_reg_bytes(info, reg_def, 0, reg_def->size, bbf) < 0) exception(errno);
}
clear_trap(&trap);
}
cache_exit();
write_stringz(&c->out, "R");
write_stringz(&c->out, args->token);
write_errno(&c->out, trap.error);
json_write_binary(&c->out, bbf, bbf_pos);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
}
static void command_getm_cache_client(void * x) {
GetmArgs * args = (GetmArgs *)x;
Channel * c = cache_channel();
Trap trap;
bbf_pos = 0;
if (bbf == NULL) bbf = (uint8_t *)loc_alloc(bbf_len = 0x100);
if (set_trap(&trap)) {
unsigned locs_pos = 0;
check_location_list(args->locs, args->locs_cnt, 0);
while (locs_pos < args->locs_cnt) {
Location * l = args->locs + locs_pos++;
if (bbf_pos + l->size > bbf_len) {
bbf_len += 0x100 + l->size;
bbf = (uint8_t *)loc_realloc(bbf, bbf_len);
}
memset(bbf + bbf_pos, 0, l->size);
if (l->frame_info == NULL) {
if (context_read_reg(l->ctx, l->reg_def, l->offs, l->size, bbf + bbf_pos) < 0) exception(errno);
}
else {
if (read_reg_bytes(l->frame_info, l->reg_def, l->offs, l->size, bbf + bbf_pos) < 0) exception(errno);
}
bbf_pos += l->size;
}
clear_trap(&trap);
}
cache_exit();
write_stringz(&c->out, "R");
write_stringz(&c->out, args->token);
write_errno(&c->out, trap.error);
json_write_binary(&c->out, bbf, bbf_pos);
write_stream(&c->out, 0);
write_stream(&c->out, MARKER_EOM);
loc_free(args->locs);
}
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);
}
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 int disassemble_block(Context * ctx, OutputStream * out, uint8_t * mem_buf,
ContextAddress buf_addr, ContextAddress buf_size,
ContextAddress mem_size, ContextISA * isa,
DisassembleCmdArgs * args) {
ContextAddress offs = 0;
Disassembler * disassembler = NULL;
Context * cpu = context_get_group(ctx, CONTEXT_GROUP_CPU);
int disassembler_ok = 0;
DisassemblerParams param;
param.ctx = ctx;
param.big_endian = ctx->big_endian;
param.pseudo_instr = args->pseudo_instr;
param.simplified = args->simplified;
if (args->isa) {
isa->isa = args->isa;
isa->addr = args->addr;
isa->size = args->size;
}
write_stream(out, '[');
while (offs < buf_size && offs < mem_size) {
ContextAddress addr = buf_addr + offs;
ContextAddress size = mem_size - offs;
DisassemblyResult * dr = NULL;
if (args->isa == NULL && (addr < isa->addr ||
(isa->addr + isa->size >= isa->addr && addr >= isa->addr + isa->size))) {
if (get_isa(ctx, addr, isa) < 0) return -1;
disassembler_ok = 0;
}
if (!disassembler_ok) {
disassembler = find_disassembler(cpu, isa->isa);
if (disassembler == NULL) disassembler = find_disassembler(cpu, isa->def);
disassembler_ok = 1;
}
if (disassembler) dr = disassembler(mem_buf + (size_t)offs, addr, size, ¶m);
if (dr == NULL) {
static char buf[32];
static DisassemblyResult dd;
memset(&dd, 0, sizeof(dd));
if (isa->alignment >= 4 && (addr & 0x3) == 0 && offs <= mem_size + 4) {
unsigned i;
uint32_t v = 0;
for (i = 0; i < 4; i++) v |= (uint32_t)mem_buf[offs + i] << (i * 8);
snprintf(buf, sizeof(buf), ".word 0x%08x", v);
dd.size = 4;
}
else if (isa->alignment >= 2 && (addr & 0x1) == 0 && offs <= mem_size + 2) {
unsigned i;
uint16_t v = 0;
for (i = 0; i < 2; i++) v |= (uint16_t)mem_buf[offs + i] << (i * 8);
snprintf(buf, sizeof(buf), ".half 0x%04x", v);
dd.size = 2;
}
else {
snprintf(buf, sizeof(buf), ".byte 0x%02x", mem_buf[offs]);
dd.size = 1;
}
dd.text = buf;
dr = ⅆ
}
assert(dr->size > 0);
if (offs > 0) write_stream(out, ',');
write_stream(out, '{');
json_write_string(out, "Address");
write_stream(out, ':');
json_write_uint64(out, addr);
write_stream(out, ',');
json_write_string(out, "Size");
write_stream(out, ':');
json_write_uint64(out, dr->size);
write_stream(out, ',');
json_write_string(out, "Instruction");
write_stream(out, ':');
write_stream(out, '[');
write_stream(out, '{');
json_write_string(out, "Type");
write_stream(out, ':');
json_write_string(out, "String");
write_stream(out, ',');
json_write_string(out, "Text");
write_stream(out, ':');
json_write_string(out, dr->text);
write_stream(out, '}');
write_stream(out, ']');
if (args->opcode_value) {
write_stream(out, ',');
json_write_string(out, "OpcodeValue");
write_stream(out, ':');
json_write_binary(out, mem_buf + (size_t)offs, (size_t)dr->size);
}
write_stream(out, '}');
offs += dr->size;
}
write_stream(out, ']');
return 0;
}
