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openwrt-packages/lang/node/patches/999-mips-fix.patch

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Description: upstream mips fix
Origin: https://github.com/nodejs/node/issues/31118
Last-Update: 2020-05-30
--- a/deps/v8/AUTHORS
+++ b/deps/v8/AUTHORS
@@ -106,6 +106,7 @@
James M Snell <jasnell@gmail.com>
Jianghua Yang <jianghua.yjh@alibaba-inc.com>
Jiawen Geng <technicalcute@gmail.com>
+Jiaxun Yang <jiaxun.yang@flygoat.com>
Joel Stanley <joel@jms.id.au>
Johan Bergström <johan@bergstroem.nu>
Jonathan Liu <net147@gmail.com>
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-aix.cc
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-aix.cc
@@ -94,10 +94,6 @@
void PlatformEmbeddedFileWriterAIX::DeclareFunctionEnd(const char* name) {}
-int PlatformEmbeddedFileWriterAIX::HexLiteral(uint64_t value) {
- return fprintf(fp_, "0x%" PRIx64, value);
-}
-
void PlatformEmbeddedFileWriterAIX::FilePrologue() {}
void PlatformEmbeddedFileWriterAIX::DeclareExternalFilename(
@@ -120,12 +116,6 @@
return kLong;
}
-int PlatformEmbeddedFileWriterAIX::WriteByteChunk(const uint8_t* data) {
- DCHECK_EQ(ByteChunkDataDirective(), kLong);
- const uint32_t* long_ptr = reinterpret_cast<const uint32_t*>(data);
- return HexLiteral(*long_ptr);
-}
-
#undef SYMBOL_PREFIX
} // namespace internal
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-aix.h
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-aix.h
@@ -37,8 +37,6 @@
void DeclareFunctionBegin(const char* name) override;
void DeclareFunctionEnd(const char* name) override;
- int HexLiteral(uint64_t value) override;
-
void Comment(const char* string) override;
void FilePrologue() override;
@@ -48,7 +46,6 @@
int IndentedDataDirective(DataDirective directive) override;
DataDirective ByteChunkDataDirective() const override;
- int WriteByteChunk(const uint8_t* data) override;
private:
void DeclareSymbolGlobal(const char* name);
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-base.cc
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-base.cc
@@ -24,6 +24,10 @@
}
}
+int PlatformEmbeddedFileWriterBase::HexLiteral(uint64_t value) {
+ return fprintf(fp_, "0x%" PRIx64, value);
+}
+
int DataDirectiveSize(DataDirective directive) {
switch (directive) {
case kByte:
@@ -39,24 +43,37 @@
}
int PlatformEmbeddedFileWriterBase::WriteByteChunk(const uint8_t* data) {
- DCHECK_EQ(ByteChunkDataDirective(), kOcta);
-
- static constexpr size_t kSize = kInt64Size;
-
- uint64_t part1, part2;
- // Use memcpy for the reads since {data} is not guaranteed to be aligned.
+ size_t kSize = DataDirectiveSize(ByteChunkDataDirective());
+ size_t kHalfSize = kSize / 2;
+ uint64_t high = 0, low = 0;
+
+ switch (kSize) {
+ case 1:
+ low = *data;
+ break;
+ case 4:
+ low = *reinterpret_cast<const uint32_t*>(data);
+ break;
+ case 8:
+ low = *reinterpret_cast<const uint64_t*>(data);
+ break;
+ case 16:
#ifdef V8_TARGET_BIG_ENDIAN
- memcpy(&part1, data, kSize);
- memcpy(&part2, data + kSize, kSize);
+ memcpy(&high, data, kHalfSize);
+ memcpy(&low, data + kHalfSize, kHalfSize);
#else
- memcpy(&part1, data + kSize, kSize);
- memcpy(&part2, data, kSize);
+ memcpy(&high, data + kHalfSize, kHalfSize);
+ memcpy(&low, data, kHalfSize);
#endif // V8_TARGET_BIG_ENDIAN
+ break;
+ default:
+ UNREACHABLE();
+ }
- if (part1 != 0) {
- return fprintf(fp(), "0x%" PRIx64 "%016" PRIx64, part1, part2);
+ if (high != 0) {
+ return fprintf(fp(), "0x%" PRIx64 "%016" PRIx64, high, low);
} else {
- return fprintf(fp(), "0x%" PRIx64, part2);
+ return fprintf(fp(), "0x%" PRIx64, low);
}
}
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-base.h
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-base.h
@@ -67,7 +67,7 @@
virtual void DeclareFunctionEnd(const char* name) = 0;
// Returns the number of printed characters.
- virtual int HexLiteral(uint64_t value) = 0;
+ virtual int HexLiteral(uint64_t value);
virtual void Comment(const char* string) = 0;
virtual void Newline() { fprintf(fp_, "\n"); }
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-generic.cc
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-generic.cc
@@ -112,10 +112,6 @@
void PlatformEmbeddedFileWriterGeneric::DeclareFunctionEnd(const char* name) {}
-int PlatformEmbeddedFileWriterGeneric::HexLiteral(uint64_t value) {
- return fprintf(fp_, "0x%" PRIx64, value);
-}
-
void PlatformEmbeddedFileWriterGeneric::FilePrologue() {}
void PlatformEmbeddedFileWriterGeneric::DeclareExternalFilename(
@@ -142,6 +138,18 @@
return fprintf(fp_, " %s ", DirectiveAsString(directive));
}
+DataDirective PlatformEmbeddedFileWriterGeneric::ByteChunkDataDirective()
+ const {
+#if defined(V8_TARGET_ARCH_MIPS) || defined(V8_TARGET_ARCH_MIPS64)
+ // MIPS uses a fixed 4 byte instruction set, using .long
+ // to prevent any unnecessary padding.
+ return kLong;
+#else
+ // Other ISAs just listen to the base
+ return PlatformEmbeddedFileWriterBase::ByteChunkDataDirective();
+#endif
+}
+
#undef SYMBOL_PREFIX
} // namespace internal
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-generic.h
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-generic.h
@@ -39,8 +39,6 @@
void DeclareFunctionBegin(const char* name) override;
void DeclareFunctionEnd(const char* name) override;
- int HexLiteral(uint64_t value) override;
-
void Comment(const char* string) override;
void FilePrologue() override;
@@ -49,6 +47,8 @@
int IndentedDataDirective(DataDirective directive) override;
+ DataDirective ByteChunkDataDirective() const override;
+
private:
void DeclareSymbolGlobal(const char* name);
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-mac.cc
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-mac.cc
@@ -87,10 +87,6 @@
void PlatformEmbeddedFileWriterMac::DeclareFunctionEnd(const char* name) {}
-int PlatformEmbeddedFileWriterMac::HexLiteral(uint64_t value) {
- return fprintf(fp_, "0x%" PRIx64, value);
-}
-
void PlatformEmbeddedFileWriterMac::FilePrologue() {}
void PlatformEmbeddedFileWriterMac::DeclareExternalFilename(
--- a/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-mac.h
+++ b/deps/v8/src/snapshot/embedded/platform-embedded-file-writer-mac.h
@@ -37,8 +37,6 @@
void DeclareFunctionBegin(const char* name) override;
void DeclareFunctionEnd(const char* name) override;
- int HexLiteral(uint64_t value) override;
-
void Comment(const char* string) override;
void FilePrologue() override;
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