[wasm] Refactoring of wasm-external-refs.

src/wasm/wasm-external-refs.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef WASM_EXTERNAL_REFS_H
-#define WASM_EXTERNAL_REFS_H
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <limits>
+
+#include "src/wasm/wasm-external-refs.h"
 
 namespace v8 {
 namespace internal {
 namespace wasm {
 
-static void f32_trunc_wrapper(float* param) { *param = truncf(*param); }
+void f32_trunc_wrapper(float* param) { *param = truncf(*param); }
 
-static void f32_floor_wrapper(float* param) { *param = floorf(*param); }
+void f32_floor_wrapper(float* param) { *param = floorf(*param); }
 
-static void f32_ceil_wrapper(float* param) { *param = ceilf(*param); }
+void f32_ceil_wrapper(float* param) { *param = ceilf(*param); }
 
-static void f32_nearest_int_wrapper(float* param) {
-  *param = nearbyintf(*param);
-}
+void f32_nearest_int_wrapper(float* param) { *param = nearbyintf(*param); }
 
-static void f64_trunc_wrapper(double* param) { *param = trunc(*param); }
+void f64_trunc_wrapper(double* param) { *param = trunc(*param); }
 
-static void f64_floor_wrapper(double* param) { *param = floor(*param); }
+void f64_floor_wrapper(double* param) { *param = floor(*param); }
 
-static void f64_ceil_wrapper(double* param) { *param = ceil(*param); }
+void f64_ceil_wrapper(double* param) { *param = ceil(*param); }
 
-static void f64_nearest_int_wrapper(double* param) {
-  *param = nearbyint(*param);
-}
+void f64_nearest_int_wrapper(double* param) { *param = nearbyint(*param); }
 
-static void int64_to_float32_wrapper(int64_t* input, float* output) {
+void int64_to_float32_wrapper(int64_t* input, float* output) {
   *output = static_cast<float>(*input);
 }
 
-static void uint64_to_float32_wrapper(uint64_t* input, float* output) {
+void uint64_to_float32_wrapper(uint64_t* input, float* output) {
 #if V8_CC_MSVC
   // With MSVC we use static_cast<float>(uint32_t) instead of
   // static_cast<float>(uint64_t) to achieve round-to-nearest-ties-even
   // semantics. The idea is to calculate
   // static_cast<float>(high_word) * 2^32 + static_cast<float>(low_word). To
   // achieve proper rounding in all cases we have to adjust the high_word
   // with a "rounding bit" sometimes. The rounding bit is stored in the LSB of
   // the high_word if the low_word may affect the rounding of the high_word.
   uint32_t low_word = static_cast<uint32_t>(*input & 0xffffffff);
   uint32_t high_word = static_cast<uint32_t>(*input >> 32);
@@ skipping 13 matching lines @@
   float result = static_cast<float>(high_word);
   result *= shift;
   result += static_cast<float>(low_word);
   *output = result;
 
 #else
   *output = static_cast<float>(*input);
 #endif
 }
 
-static void int64_to_float64_wrapper(int64_t* input, double* output) {
+void int64_to_float64_wrapper(int64_t* input, double* output) {
   *output = static_cast<double>(*input);
 }
 
-static void uint64_to_float64_wrapper(uint64_t* input, double* output) {
+void uint64_to_float64_wrapper(uint64_t* input, double* output) {
 #if V8_CC_MSVC
   // With MSVC we use static_cast<double>(uint32_t) instead of
   // static_cast<double>(uint64_t) to achieve round-to-nearest-ties-even
   // semantics. The idea is to calculate
   // static_cast<double>(high_word) * 2^32 + static_cast<double>(low_word).
   uint32_t low_word = static_cast<uint32_t>(*input & 0xffffffff);
   uint32_t high_word = static_cast<uint32_t>(*input >> 32);
 
   double shift = static_cast<double>(1ull << 32);
 
   double result = static_cast<double>(high_word);
   result *= shift;
   result += static_cast<double>(low_word);
   *output = result;
 
 #else
   *output = static_cast<double>(*input);
 #endif
 }
 
-static int32_t float32_to_int64_wrapper(float* input, int64_t* output) {
+int32_t float32_to_int64_wrapper(float* input, int64_t* output) {
   // We use "<" here to check the upper bound because of rounding problems: With
   // "<=" some inputs would be considered within int64 range which are actually
   // not within int64 range.
   if (*input >= static_cast<float>(std::numeric_limits<int64_t>::min()) &&
       *input < static_cast<float>(std::numeric_limits<int64_t>::max())) {
     *output = static_cast<int64_t>(*input);
     return 1;
   }
   return 0;
 }
 
-static int32_t float32_to_uint64_wrapper(float* input, uint64_t* output) {
+int32_t float32_to_uint64_wrapper(float* input, uint64_t* output) {
   // We use "<" here to check the upper bound because of rounding problems: With
   // "<=" some inputs would be considered within uint64 range which are actually
   // not within uint64 range.
   if (*input > -1.0 &&
       *input < static_cast<float>(std::numeric_limits<uint64_t>::max())) {
     *output = static_cast<uint64_t>(*input);
     return 1;
   }
   return 0;
 }
 
-static int32_t float64_to_int64_wrapper(double* input, int64_t* output) {
+int32_t float64_to_int64_wrapper(double* input, int64_t* output) {
   // We use "<" here to check the upper bound because of rounding problems: With
   // "<=" some inputs would be considered within int64 range which are actually
   // not within int64 range.
   if (*input >= static_cast<double>(std::numeric_limits<int64_t>::min()) &&
       *input < static_cast<double>(std::numeric_limits<int64_t>::max())) {
     *output = static_cast<int64_t>(*input);
     return 1;
   }
   return 0;
 }
 
-static int32_t float64_to_uint64_wrapper(double* input, uint64_t* output) {
+int32_t float64_to_uint64_wrapper(double* input, uint64_t* output) {
   // We use "<" here to check the upper bound because of rounding problems: With
   // "<=" some inputs would be considered within uint64 range which are actually
   // not within uint64 range.
   if (*input > -1.0 &&
       *input < static_cast<double>(std::numeric_limits<uint64_t>::max())) {
     *output = static_cast<uint64_t>(*input);
     return 1;
   }
   return 0;
 }
 
-static int32_t int64_div_wrapper(int64_t* dst, int64_t* src) {
+int32_t int64_div_wrapper(int64_t* dst, int64_t* src) {
   if (*src == 0) {
     return 0;
   }
   if (*src == -1 && *dst == std::numeric_limits<int64_t>::min()) {
     return -1;
   }
   *dst /= *src;
   return 1;
 }
 
-static int32_t int64_mod_wrapper(int64_t* dst, int64_t* src) {
+int32_t int64_mod_wrapper(int64_t* dst, int64_t* src) {
   if (*src == 0) {
     return 0;
   }
   *dst %= *src;
   return 1;
 }
 
-static int32_t uint64_div_wrapper(uint64_t* dst, uint64_t* src) {
+int32_t uint64_div_wrapper(uint64_t* dst, uint64_t* src) {
   if (*src == 0) {
     return 0;
   }
   *dst /= *src;
   return 1;
 }
 
-static int32_t uint64_mod_wrapper(uint64_t* dst, uint64_t* src) {
+int32_t uint64_mod_wrapper(uint64_t* dst, uint64_t* src) {
   if (*src == 0) {
     return 0;
   }
   *dst %= *src;
   return 1;
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
-
-#endif