Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 148 insertions, 0 deletions

diff --git a/third_party/wasm2c/src/common.cc b/third_party/wasm2c/src/common.cc
new file mode 100644
index 0000000000..037b8304bd
--- /dev/null
+++ b/third_party/wasm2c/src/common.cc
@@ -0,0 +1,148 @@
+/*
+ * Copyright 2016 WebAssembly Community Group participants
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "wabt/common.h"
+
+#include <cassert>
+#include <cerrno>
+#include <climits>
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#if COMPILER_IS_MSVC
+#include <fcntl.h>
+#include <io.h>
+#include <stdlib.h>
+#define PATH_MAX _MAX_PATH
+#define stat _stat
+#define S_IFREG _S_IFREG
+#endif
+
+namespace wabt {
+
+Reloc::Reloc(RelocType type, Offset offset, Index index, int32_t addend)
+    : type(type), offset(offset), index(index), addend(addend) {}
+
+const char* g_kind_name[] = {"func", "table", "memory", "global", "tag"};
+WABT_STATIC_ASSERT(WABT_ARRAY_SIZE(g_kind_name) == kExternalKindCount);
+
+const char* g_reloc_type_name[] = {
+    "R_WASM_FUNCTION_INDEX_LEB",   "R_WASM_TABLE_INDEX_SLEB",
+    "R_WASM_TABLE_INDEX_I32",      "R_WASM_MEMORY_ADDR_LEB",
+    "R_WASM_MEMORY_ADDR_SLEB",     "R_WASM_MEMORY_ADDR_I32",
+    "R_WASM_TYPE_INDEX_LEB",       "R_WASM_GLOBAL_INDEX_LEB",
+    "R_WASM_FUNCTION_OFFSET_I32",  "R_WASM_SECTION_OFFSET_I32",
+    "R_WASM_TAG_INDEX_LEB",        "R_WASM_MEMORY_ADDR_REL_SLEB",
+    "R_WASM_TABLE_INDEX_REL_SLEB", "R_WASM_GLOBAL_INDEX_I32",
+    "R_WASM_MEMORY_ADDR_LEB64",    "R_WASM_MEMORY_ADDR_SLEB64",
+    "R_WASM_MEMORY_ADDR_I64",      "R_WASM_MEMORY_ADDR_REL_SLEB64",
+    "R_WASM_TABLE_INDEX_SLEB64",   "R_WASM_TABLE_INDEX_I64",
+    "R_WASM_TABLE_NUMBER_LEB",     "R_WASM_MEMORY_ADDR_TLS_SLEB",
+    "R_WASM_MEMORY_ADDR_TLS_I32",
+};
+WABT_STATIC_ASSERT(WABT_ARRAY_SIZE(g_reloc_type_name) == kRelocTypeCount);
+
+static Result ReadStdin(std::vector<uint8_t>* out_data) {
+  out_data->resize(0);
+  uint8_t buffer[4096];
+  while (true) {
+    size_t bytes_read = fread(buffer, 1, sizeof(buffer), stdin);
+    if (bytes_read == 0) {
+      if (ferror(stdin)) {
+        fprintf(stderr, "error reading from stdin: %s\n", strerror(errno));
+        return Result::Error;
+      }
+      return Result::Ok;
+    }
+    size_t old_size = out_data->size();
+    out_data->resize(old_size + bytes_read);
+    memcpy(out_data->data() + old_size, buffer, bytes_read);
+  }
+}
+
+Result ReadFile(std::string_view filename, std::vector<uint8_t>* out_data) {
+  std::string filename_str(filename);
+  const char* filename_cstr = filename_str.c_str();
+
+  if (filename == "-") {
+    return ReadStdin(out_data);
+  }
+
+  struct stat statbuf;
+  if (stat(filename_cstr, &statbuf) < 0) {
+    fprintf(stderr, "%s: %s\n", filename_cstr, strerror(errno));
+    return Result::Error;
+  }
+
+  if (!(statbuf.st_mode & S_IFREG)) {
+    fprintf(stderr, "%s: not a regular file\n", filename_cstr);
+    return Result::Error;
+  }
+
+  FILE* infile = fopen(filename_cstr, "rb");
+  if (!infile) {
+    fprintf(stderr, "%s: %s\n", filename_cstr, strerror(errno));
+    return Result::Error;
+  }
+
+  if (fseek(infile, 0, SEEK_END) < 0) {
+    perror("fseek to end failed");
+    fclose(infile);
+    return Result::Error;
+  }
+
+  long size = ftell(infile);
+  if (size < 0) {
+    perror("ftell failed");
+    fclose(infile);
+    return Result::Error;
+  }
+
+  if (fseek(infile, 0, SEEK_SET) < 0) {
+    perror("fseek to beginning failed");
+    fclose(infile);
+    return Result::Error;
+  }
+
+  out_data->resize(size);
+  if (size != 0 && fread(out_data->data(), size, 1, infile) != 1) {
+    fprintf(stderr, "%s: fread failed: %s\n", filename_cstr, strerror(errno));
+    fclose(infile);
+    return Result::Error;
+  }
+
+  fclose(infile);
+  return Result::Ok;
+}
+
+void InitStdio() {
+#if COMPILER_IS_MSVC
+  int result = _setmode(_fileno(stdout), _O_BINARY);
+  if (result == -1) {
+    perror("Cannot set mode binary to stdout");
+  }
+  result = _setmode(_fileno(stderr), _O_BINARY);
+  if (result == -1) {
+    perror("Cannot set mode binary to stderr");
+  }
+#endif
+}
+
+}  // namespace wabt