Changeset 177315 in webkit for trunk/Source/JavaScriptCore/ftl/FTLCompile.cpp

Timestamp:

Dec 15, 2014, 2:58:17 PM (10 years ago)

Author:

Dániel Bátyai

Message:

[EFL] FTL JIT not working on ARM64
​https://bugs.webkit.org/show_bug.cgi?id=139295

Reviewed by Michael Saboff.

Source/JavaScriptCore:

Added the missing code for stack unwinding and some additional small fixes
to get FTL working correctly.

• ftl/FTLCompile.cpp:

(JSC::FTL::mmAllocateDataSection):

• ftl/FTLUnwindInfo.cpp:

(JSC::FTL::UnwindInfo::parse):

Tools:

Added patches for llvm to add ARM64 support for FTL JIT

• efl/jhbuild.modules:
• efl/patches/llvm-elf-add-stackmaps-arm64.patch: Added.
• efl/patches/llvm-elf-allow-fde-references-outside-the-2gb-range-arm64.patch: Added.

File:

• trunk/Source/JavaScriptCore/ftl/FTLCompile.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/ftl/FTLCompile.cpp

@@ -99 +99 @@
 #elif OS(LINUX)
         if (!strcmp(sectionName, SECTION_NAME("eh_frame"))) {
+#else
+#error "Unrecognized OS"
 #endif
             state.unwindDataSection = section->base();
@@ -626 +628 @@
         
         if (isARM64())
+#if OS(DARWIN)
             llvm->SetTarget(state.module, "arm64-apple-ios");
-        
+#elif OS(LINUX)
+            llvm->SetTarget(state.module, "aarch64-linux-gnu");
+#else
+#error "Unrecognized OS"
+#endif
+
         if (llvm->CreateMCJITCompilerForModule(&engine, state.module, &options, sizeof(options), &error)) {
             dataLog("FATAL: Could not create LLVM execution engine: ", error, "\n");