diff options
Diffstat (limited to 'tools/mpy_ld.py')
| -rwxr-xr-x | tools/mpy_ld.py | 55 |
1 files changed, 14 insertions, 41 deletions
diff --git a/tools/mpy_ld.py b/tools/mpy_ld.py index dd7b352b6..7f0fcbca2 100755 --- a/tools/mpy_ld.py +++ b/tools/mpy_ld.py @@ -232,34 +232,20 @@ def extract_qstrs(source_files): def read_qstrs(f): with open(f) as f: vals = set() - objs = set() for line in f: - while line: - m = re.search(r"MP_OBJ_NEW_QSTR\((MP_QSTR_[A-Za-z0-9_]*)\)", line) - if m: - objs.add(m.group(1)) - else: - m = re.search(r"MP_QSTR_[A-Za-z0-9_]*", line) - if m: - vals.add(m.group()) - if m: - s = m.span() - line = line[: s[0]] + line[s[1] :] - else: - line = "" - return vals, objs + for m in re.finditer(r"MP_QSTR_[A-Za-z0-9_]*", line): + vals.add(m.group()) + return vals static_qstrs = ["MP_QSTR_" + qstrutil.qstr_escape(q) for q in qstrutil.static_qstr_list] qstr_vals = set() - qstr_objs = set() for f in source_files: - vals, objs = read_qstrs(f) + vals = read_qstrs(f) qstr_vals.update(vals) - qstr_objs.update(objs) qstr_vals.difference_update(static_qstrs) - return static_qstrs, qstr_vals, qstr_objs + return static_qstrs, qstr_vals ################################################################################ @@ -730,7 +716,7 @@ def load_object_file(env, felf): env.unresolved_syms.append(sym) -def link_objects(env, native_qstr_vals_len, native_qstr_objs_len): +def link_objects(env, native_qstr_vals_len): # Build GOT information if env.arch.name == "EM_XTENSA": build_got_xtensa(env) @@ -761,7 +747,7 @@ def link_objects(env, native_qstr_vals_len, native_qstr_objs_len): # Create section to contain mp_native_obj_table env.obj_table_section = Section( ".external.obj_table", - bytearray(native_qstr_objs_len * env.arch.word_size), + bytearray(0 * env.arch.word_size), # currently empty env.arch.word_size, ) @@ -899,7 +885,7 @@ class MPYOutput: self.write_uint(n) -def build_mpy(env, entry_offset, fmpy, native_qstr_vals, native_qstr_objs): +def build_mpy(env, entry_offset, fmpy, native_qstr_vals): # Write jump instruction to start of text jump = env.arch.asm_jump(entry_offset) env.full_text[: len(jump)] = jump @@ -927,7 +913,7 @@ def build_mpy(env, entry_offset, fmpy, native_qstr_vals, native_qstr_objs): out.write_uint(1 + len(native_qstr_vals)) # MPY: n_obj - out.write_uint(len(native_qstr_objs)) + out.write_uint(0) # MPY: qstr table out.write_qstr(fmpy) # filename @@ -935,10 +921,7 @@ def build_mpy(env, entry_offset, fmpy, native_qstr_vals, native_qstr_objs): out.write_qstr(q) # MPY: object table - for q in native_qstr_objs: - out.write_bytes(bytearray([MP_PERSISTENT_OBJ_STR])) - out.write_uint(len(q)) - out.write_bytes(bytes(q, "utf8") + b"\x00") + # <empty> # MPY: kind/len out.write_uint(len(env.full_text) << 3 | (MP_CODE_NATIVE_VIPER - MP_CODE_BYTECODE)) @@ -965,6 +948,7 @@ def build_mpy(env, entry_offset, fmpy, native_qstr_vals, native_qstr_objs): out.write_bytes(env.full_rodata) # MPY: relocation information + # See py/persistentcode.c:mp_native_relocate for meaning of the `kind` integer values. prev_kind = None prev_base = None prev_offset = None @@ -1016,7 +1000,7 @@ def do_preprocess(args): if args.output is None: assert args.files[0].endswith(".c") args.output = args.files[0][:-1] + "config.h" - static_qstrs, qstr_vals, qstr_objs = extract_qstrs(args.files) + static_qstrs, qstr_vals = extract_qstrs(args.files) with open(args.output, "w") as f: print( "#include <stdint.h>\n" @@ -1029,11 +1013,6 @@ def do_preprocess(args): print("#define %s (%u)" % (q, i + 1), file=f) for i, q in enumerate(sorted(qstr_vals)): print("#define %s (mp_native_qstr_table[%d])" % (q, i + 1), file=f) - for i, q in enumerate(sorted(qstr_objs)): - print( - "#define MP_OBJ_NEW_QSTR_%s ((mp_obj_t)mp_native_obj_table[%d])" % (q, i), - file=f, - ) print("extern const uint16_t mp_native_qstr_table[];", file=f) print("extern const mp_uint_t mp_native_obj_table[];", file=f) @@ -1043,25 +1022,19 @@ def do_link(args): assert args.files[0].endswith(".o") args.output = args.files[0][:-1] + "mpy" native_qstr_vals = [] - native_qstr_objs = [] if args.qstrs is not None: with open(args.qstrs) as f: for l in f: m = re.match(r"#define MP_QSTR_([A-Za-z0-9_]*) \(mp_native_", l) if m: native_qstr_vals.append(m.group(1)) - else: - m = re.match(r"#define MP_OBJ_NEW_QSTR_MP_QSTR_([A-Za-z0-9_]*)", l) - if m: - native_qstr_objs.append(m.group(1)) log(LOG_LEVEL_2, "qstr vals: " + ", ".join(native_qstr_vals)) - log(LOG_LEVEL_2, "qstr objs: " + ", ".join(native_qstr_objs)) env = LinkEnv(args.arch) try: for file in args.files: load_object_file(env, file) - link_objects(env, len(native_qstr_vals), len(native_qstr_objs)) - build_mpy(env, env.find_addr("mpy_init"), args.output, native_qstr_vals, native_qstr_objs) + link_objects(env, len(native_qstr_vals)) + build_mpy(env, env.find_addr("mpy_init"), args.output, native_qstr_vals) except LinkError as er: print("LinkError:", er.args[0]) sys.exit(1) |