diff options
Diffstat (limited to 'js/src/jit/JitRuntime.h')
| -rw-r--r-- | js/src/jit/JitRuntime.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit/JitRuntime.h b/js/src/jit/JitRuntime.h index 7d038ed0e2..383efca437 100644 --- a/js/src/jit/JitRuntime.h +++ b/js/src/jit/JitRuntime.h @@ -27,6 +27,7 @@ #include "jit/JitCode.h" #include "jit/JitHints.h" #include "jit/shared/Assembler-shared.h" +#include "jit/TrampolineNatives.h" #include "js/AllocPolicy.h" #include "js/ProfilingFrameIterator.h" #include "js/TypeDecls.h" @@ -234,6 +235,13 @@ class JitRuntime { MainThreadData<IonCompileTaskList> ionLazyLinkList_; MainThreadData<size_t> ionLazyLinkListSize_{0}; + // Pointer to trampoline code for each TrampolineNative. The JSFunction has + // a JitEntry pointer that points to an item in this array. + using TrampolineNativeJitEntryArray = + mozilla::EnumeratedArray<TrampolineNative, void*, + size_t(TrampolineNative::Count)>; + TrampolineNativeJitEntryArray trampolineNativeJitEntries_{}; + #ifdef DEBUG // Flag that can be set from JIT code to indicate it's invalid to call // arbitrary JS code in a particular region. This is checked in RunScript. @@ -293,6 +301,14 @@ class JitRuntime { void generateBaselineInterpreterEntryTrampoline(MacroAssembler& masm); void generateInterpreterEntryTrampoline(MacroAssembler& masm); + using TrampolineNativeJitEntryOffsets = + mozilla::EnumeratedArray<TrampolineNative, uint32_t, + size_t(TrampolineNative::Count)>; + void generateTrampolineNatives(MacroAssembler& masm, + TrampolineNativeJitEntryOffsets& offsets, + PerfSpewerRangeRecorder& rangeRecorder); + uint32_t generateArraySortTrampoline(MacroAssembler& masm); + void bindLabelToOffset(Label* label, uint32_t offset) { MOZ_ASSERT(!trampolineCode_); label->bind(offset); @@ -418,6 +434,20 @@ class JitRuntime { return trampolineCode(ionGenericCallStubOffset_[kind]); } + void** trampolineNativeJitEntry(TrampolineNative native) { + void** jitEntry = &trampolineNativeJitEntries_[native]; + MOZ_ASSERT(*jitEntry >= trampolineCode_->raw()); + MOZ_ASSERT(*jitEntry < + trampolineCode_->raw() + trampolineCode_->instructionsSize()); + return jitEntry; + } + TrampolineNative trampolineNativeForJitEntry(void** entry) { + MOZ_RELEASE_ASSERT(entry >= trampolineNativeJitEntries_.begin()); + size_t index = entry - trampolineNativeJitEntries_.begin(); + MOZ_RELEASE_ASSERT(index < size_t(TrampolineNative::Count)); + return TrampolineNative(index); + } + bool hasJitcodeGlobalTable() const { return jitcodeGlobalTable_ != nullptr; } JitcodeGlobalTable* getJitcodeGlobalTable() { |