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-rwxr-xr-xemscripten.py114
1 files changed, 39 insertions, 75 deletions
diff --git a/emscripten.py b/emscripten.py
index c5e235d8..257527fe 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -444,6 +444,11 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
forwarded_json['Functions']['libraryFunctions'].get('llvm_ctlz_i32'):
basic_vars += ['cttz_i8', 'ctlz_i8']
+ if settings.get('DLOPEN_SUPPORT'):
+ for sig in last_forwarded_json['Functions']['tables'].iterkeys():
+ basic_vars.append('F_BASE_%s' % sig)
+ asm_setup += ' var F_BASE_%s = %s;\n' % (sig, 'FUNCTION_TABLE_OFFSET' if settings.get('SIDE_MODULE') else '0') + '\n'
+
asm_runtime_funcs = ['stackAlloc', 'stackSave', 'stackRestore', 'setThrew'] + ['setTempRet%d' % i for i in range(10)]
# function tables
def asm_coerce(value, sig):
@@ -475,8 +480,12 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
''' % (sig, i, args, arg_coercions, jsret))
from tools import shared
+ shared.Settings.copy(settings)
asm_setup += '\n' + shared.JS.make_invoke(sig) + '\n'
basic_funcs.append('invoke_%s' % sig)
+ if settings.get('DLOPEN_SUPPORT'):
+ asm_setup += '\n' + shared.JS.make_extcall(sig) + '\n'
+ basic_funcs.append('extCall_%s' % sig)
# calculate exports
exported_implemented_functions = list(exported_implemented_functions)
@@ -606,23 +615,36 @@ function setTempRet%d(value) {
// EMSCRIPTEN_END_ASM
(%s, %s, buffer);
%s;
+''' % (pre_tables + '\n'.join(function_tables_impls) + '\n' + function_tables_defs.replace('\n', '\n '), exports, the_global, sending, receiving)]
+
+ if not settings.get('SIDE_MODULE'):
+ funcs_js.append('''
Runtime.stackAlloc = function(size) { return asm['stackAlloc'](size) };
Runtime.stackSave = function() { return asm['stackSave']() };
Runtime.stackRestore = function(top) { asm['stackRestore'](top) };
-''' % (pre_tables + '\n'.join(function_tables_impls) + '\n' + function_tables_defs.replace('\n', '\n '), exports, the_global, sending, receiving)]
+''')
# Set function table masks
- def function_table_maskize(js):
- masks = {}
- default = None
- for sig, table in last_forwarded_json['Functions']['tables'].iteritems():
- masks[sig] = str(table.count(','))
- default = sig
+ masks = {}
+ max_mask = 0
+ for sig, table in last_forwarded_json['Functions']['tables'].iteritems():
+ mask = table.count(',')
+ masks[sig] = str(mask)
+ max_mask = max(mask, max_mask)
+ def function_table_maskize(js, masks):
def fix(m):
sig = m.groups(0)[0]
return masks[sig]
return re.sub(r'{{{ FTM_([\w\d_$]+) }}}', lambda m: fix(m), js) # masks[m.groups(0)[0]]
- funcs_js = map(function_table_maskize, funcs_js)
+ funcs_js = map(lambda js: function_table_maskize(js, masks), funcs_js)
+
+ if settings.get('DLOPEN_SUPPORT'):
+ funcs_js.append('''
+ asm.maxFunctionIndex = %(max_mask)d;
+ DLFCN.registerFunctions(asm, %(max_mask)d+1, %(sigs)s, Module);
+ Module.SYMBOL_TABLE = SYMBOL_TABLE;
+''' % { 'max_mask': max_mask, 'sigs': str(map(str, last_forwarded_json['Functions']['tables'].keys())) })
+
else:
function_tables_defs = '\n'.join([table for table in last_forwarded_json['Functions']['tables'].itervalues()])
outfile.write(function_tables_defs)
@@ -637,13 +659,18 @@ Runtime.stackRestore = function(top) { asm['stackRestore'](top) };
symbol_table = {}
for k, v in forwarded_json['Variables']['indexedGlobals'].iteritems():
if forwarded_json['Variables']['globals'][k]['named']:
- symbol_table[k] = v + forwarded_json['Runtime']['GLOBAL_BASE']
+ symbol_table[k] = str(v + forwarded_json['Runtime']['GLOBAL_BASE'])
for raw in last_forwarded_json['Functions']['tables'].itervalues():
if raw == '': continue
table = map(string.strip, raw[raw.find('[')+1:raw.find(']')].split(","))
- symbol_table.update(map(lambda x: (x[1], x[0]),
- filter(lambda x: x[1] != '0', enumerate(table))))
- outfile.write("var SYMBOL_TABLE = %s;" % json.dumps(symbol_table))
+ for i in range(len(table)):
+ value = table[i]
+ if value != '0':
+ if settings.get('SIDE_MODULE'):
+ symbol_table[value] = 'FUNCTION_TABLE_OFFSET+' + str(i)
+ else:
+ symbol_table[value] = str(i)
+ outfile.write("var SYMBOL_TABLE = %s;" % json.dumps(symbol_table).replace('"', ''))
for funcs_js_item in funcs_js: # do this loop carefully to save memory
funcs_js_item = indexize(funcs_js_item)
@@ -663,69 +690,6 @@ def main(args, compiler_engine, cache, jcache, relooper, temp_files, DEBUG, DEBU
name, value = setting.strip().split('=', 1)
settings[name] = json.loads(value)
- # Add header defines to settings
- defines = {}
- include_root = path_from_root('system', 'include')
- headers = args.headers[0].split(',') if len(args.headers) > 0 else []
- seen_headers = set()
- while len(headers) > 0:
- header = headers.pop(0)
- if not os.path.isabs(header):
- header = os.path.join(include_root, header)
- seen_headers.add(header)
- for line in open(header, 'r'):
- line = line.replace('\t', ' ')
- m = re.match('^ *# *define +(?P<name>[-\w_.]+) +\(?(?P<value>[-\w_.|]+)\)?.*', line)
- if not m:
- # Catch enum defines of a very limited sort
- m = re.match('^ +(?P<name>[A-Z_\d]+) += +(?P<value>\d+).*', line)
- if m:
- if m.group('name') != m.group('value'):
- defines[m.group('name')] = m.group('value')
- #else:
- # print 'Warning: %s #defined to itself' % m.group('name') # XXX this can happen if we are set to be equal to an enum (with the same name)
- m = re.match('^ *# *include *["<](?P<name>[\w_.-/]+)[">].*', line)
- if m:
- # Find this file
- found = False
- for w in [w for w in os.walk(include_root)]:
- for f in w[2]:
- curr = os.path.join(w[0], f)
- if curr.endswith(m.group('name')) and curr not in seen_headers:
- headers.append(curr)
- found = True
- break
- if found: break
- #assert found, 'Could not find header: ' + m.group('name')
- if len(defines) > 0:
- def lookup(value):
- try:
- while not unicode(value).isnumeric():
- value = defines[value]
- return value
- except:
- pass
- try: # 0x300 etc.
- value = eval(value)
- return value
- except:
- pass
- try: # CONST1|CONST2
- parts = map(lookup, value.split('|'))
- value = reduce(lambda a, b: a|b, map(eval, parts))
- return value
- except:
- pass
- return None
- for key, value in defines.items():
- value = lookup(value)
- if value is not None:
- defines[key] = str(value)
- else:
- del defines[key]
- #print >> sys.stderr, 'new defs:', str(defines).replace(',', ',\n '), '\n\n'
- settings.setdefault('C_DEFINES', {}).update(defines)
-
# libraries
libraries = args.libraries[0].split(',') if len(args.libraries) > 0 else []
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-24 03:23:32 +0000