[wasm-emscripten-finalize] Remove --separate-data-segments

See #6088
WebAssembly · Nov 15, 2023 · 482af2b · 482af2b
1 parent 20fe882
commit 482af2b
Show file tree

Hide file tree

Showing 8 changed files with 13 additions and 166 deletions.
diff --git a/scripts/test/lld.py b/scripts/test/lld.py
@@ -18,7 +18,7 @@
 
 
 def args_for_finalize(filename):
-    ret = ['--global-base=568']
+    ret = []
     if 'safe_stack' in filename:
         ret += ['--check-stack-overflow']
     if 'shared' in filename:
@@ -30,38 +30,19 @@ def args_for_finalize(filename):
 
 def run_test(input_path):
     print('..', input_path)
-    is_passive = '.passive.' in input_path
-    mem_file = input_path + '.mem'
-    extension_arg_map = {
-        '.out': [],
-    }
-    if not is_passive:
-        extension_arg_map.update({
-            '.mem.out': ['--separate-data-segments', mem_file],
-        })
-    for ext, args in extension_arg_map.items():
-        expected_file = input_path + ext
-        if not os.path.exists(expected_file):
-            if ext == '.out':
-                shared.fail_with_error('output ' + expected_file +
-                                       ' does not exist')
-            else:
-                continue
-
-        cmd = shared.WASM_EMSCRIPTEN_FINALIZE + args
-        if '64' in input_path:
-            cmd += ['--enable-memory64', '--bigint']
-        cmd += [input_path, '-S']
-        cmd += args_for_finalize(os.path.basename(input_path))
-        actual = support.run_command(cmd)
+    expected_file = input_path + '.out'
+    if not os.path.exists(expected_file):
+        shared.fail_with_error('output ' + expected_file +
+                               ' does not exist')
 
-        shared.fail_if_not_identical_to_file(actual, expected_file)
+    cmd = list(shared.WASM_EMSCRIPTEN_FINALIZE)
+    if '64' in input_path:
+        cmd += ['--enable-memory64', '--bigint']
+    cmd += [input_path, '-S']
+    cmd += args_for_finalize(os.path.basename(input_path))
+    actual = support.run_command(cmd)
 
-        if ext == '.mem.out':
-            with open(mem_file) as mf:
-                mem = mf.read()
-                shared.fail_if_not_identical_to_file(mem, input_path + '.mem.mem')
-            os.remove(mem_file)
+    shared.fail_if_not_identical_to_file(actual, expected_file)
 
 
 def test_wasm_emscripten_finalize():
@@ -76,15 +57,9 @@ def update_lld_tests():
 
     for input_path in shared.get_tests(shared.get_test_dir('lld'), ['.wat', '.wasm']):
         print('..', input_path)
-        is_passive = '.passive.' in input_path
-        mem_file = input_path + '.mem'
         extension_arg_map = {
             '.out': [],
         }
-        if not is_passive:
-            extension_arg_map.update({
-                '.mem.out': ['--separate-data-segments', mem_file + '.mem'],
-            })
         for ext, ext_args in extension_arg_map.items():
             out_path = input_path + ext
             if ext != '.out' and not os.path.exists(out_path):

diff --git a/src/tools/wasm-emscripten-finalize.cpp b/src/tools/wasm-emscripten-finalize.cpp
@@ -37,22 +37,18 @@
 using namespace wasm;
 
 int main(int argc, const char* argv[]) {
-  const uint64_t INVALID_BASE = -1;
-
   std::string infile;
   std::string outfile;
   std::string inputSourceMapFilename;
   std::string outputSourceMapFilename;
   std::string outputSourceMapUrl;
-  std::string dataSegmentFile;
   bool emitBinary = true;
   bool debugInfo = false;
   bool DWARF = false;
   bool sideModule = false;
   bool legalizeJavaScriptFFI = true;
   bool bigInt = false;
   bool checkStackOverflow = false;
-  uint64_t globalBase = INVALID_BASE;
   bool standaloneWasm = false;
   // TODO: remove after https://github.com/WebAssembly/binaryen/issues/3043
   bool minimizeWasmChanges = false;
@@ -93,14 +89,6 @@ int main(int argc, const char* argv[]) {
          WasmEmscriptenFinalizeOption,
          Options::Arguments::Zero,
          [&emitBinary](Options*, const std::string&) { emitBinary = false; })
-    .add("--global-base",
-         "",
-         "The address at which static globals were placed",
-         WasmEmscriptenFinalizeOption,
-         Options::Arguments::One,
-         [&globalBase](Options*, const std::string& argument) {
-           globalBase = std::stoull(argument);
-         })
     .add("--side-module",
          "",
          "Input is an emscripten side module",
@@ -150,14 +138,6 @@ int main(int argc, const char* argv[]) {
          [&outputSourceMapUrl](Options* o, const std::string& argument) {
            outputSourceMapUrl = argument;
          })
-    .add("--separate-data-segments",
-         "",
-         "Separate data segments to a file",
-         WasmEmscriptenFinalizeOption,
-         Options::Arguments::One,
-         [&dataSegmentFile](Options* o, const std::string& argument) {
-           dataSegmentFile = argument;
-         })
     .add("--check-stack-overflow",
          "",
          "Check for stack overflows every time the stack is extended",
@@ -294,14 +274,6 @@ int main(int argc, const char* argv[]) {
     passRunner.add("strip-dwarf");
   }
 
-  // Finally, separate out data segments if relevant
-  if (!dataSegmentFile.empty()) {
-    passRunner.options.arguments["separate-data-segments"] = dataSegmentFile;
-    passRunner.options.arguments["separate-data-segments-global-base"] =
-      std::to_string(globalBase);
-    passRunner.add("separate-data-segments");
-  }
-
   passRunner.run();
 
   BYN_TRACE_WITH_TYPE("emscripten-dump", "Module after:\n");

diff --git a/test/lit/help/wasm-emscripten-finalize.test b/test/lit/help/wasm-emscripten-finalize.test
@@ -20,9 +20,6 @@
 ;; CHECK-NEXT:                                        output file. In this mode if no output
 ;; CHECK-NEXT:                                        file is specified, we write to stdout.
 ;; CHECK-NEXT:
-;; CHECK-NEXT:   --global-base                        The address at which static globals were
-;; CHECK-NEXT:                                        placed
-;; CHECK-NEXT:
 ;; CHECK-NEXT:   --side-module                        Input is an emscripten side module
 ;; CHECK-NEXT:
 ;; CHECK-NEXT:   --input-source-map,-ism              Consume source map from the specified
@@ -42,8 +39,6 @@
 ;; CHECK-NEXT:
 ;; CHECK-NEXT:   --output-source-map-url,-osu         Emit specified string as source map URL
 ;; CHECK-NEXT:
-;; CHECK-NEXT:   --separate-data-segments             Separate data segments to a file
-;; CHECK-NEXT:
 ;; CHECK-NEXT:   --check-stack-overflow               Check for stack overflows every time the
 ;; CHECK-NEXT:                                        stack is extended
 ;; CHECK-NEXT:

diff --git a/test/lld/em_asm.wat.mem.mem b/test/lld/em_asm.wat.mem.mem
diff --git a/test/lld/em_asm.wat.mem.out b/test/lld/em_asm.wat.mem.out
diff --git a/test/lld/hello_world.wat.mem.mem b/test/lld/hello_world.wat.mem.mem
diff --git a/test/lld/hello_world.wat.mem.out b/test/lld/hello_world.wat.mem.out
diff --git a/test/unit/test_finalize.py b/test/unit/test_finalize.py
@@ -6,7 +6,7 @@ class EmscriptenFinalizeTest(utils.BinaryenTestCase):
     def do_output_test(self, args):
         # without any output file specified, don't error, don't write the wasm
         p = shared.run_process(shared.WASM_EMSCRIPTEN_FINALIZE + [
-            self.input_path('empty_lld.wat'), '--global-base=1024'
+            self.input_path('empty_lld.wat')
         ] + args, capture_output=True)
         return p.stdout