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-rw-r--r--deps/v8/src/compilation-info.h73
1 files changed, 46 insertions, 27 deletions
diff --git a/deps/v8/src/compilation-info.h b/deps/v8/src/compilation-info.h
index ab4fda5223..e0f5c73a9c 100644
--- a/deps/v8/src/compilation-info.h
+++ b/deps/v8/src/compilation-info.h
@@ -8,6 +8,7 @@
#include <memory>
#include "src/compilation-dependencies.h"
+#include "src/feedback-vector.h"
#include "src/frames.h"
#include "src/globals.h"
#include "src/handles.h"
@@ -31,6 +32,8 @@ class Zone;
// CompilationInfo encapsulates some information known at compile time. It
// is constructed based on the resources available at compile-time.
+// TODO(rmcilroy): Split CompilationInfo into two classes, one for unoptimized
+// compilation and one for optimized compilation, since they don't share much.
class V8_EXPORT_PRIVATE CompilationInfo final {
public:
// Various configuration flags for a compilation, as well as some properties
@@ -38,7 +41,7 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
enum Flag {
kIsEval = 1 << 0,
kIsNative = 1 << 1,
- kSerializing = 1 << 2,
+ kCollectTypeProfile = 1 << 2,
kAccessorInliningEnabled = 1 << 3,
kFunctionContextSpecializing = 1 << 4,
kInliningEnabled = 1 << 5,
@@ -47,17 +50,29 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
kSourcePositionsEnabled = 1 << 8,
kBailoutOnUninitialized = 1 << 9,
kLoopPeelingEnabled = 1 << 10,
+ kUntrustedCodeMitigations = 1 << 11,
+ };
+
+ // TODO(mtrofin): investigate if this might be generalized outside wasm, with
+ // the goal of better separating the compiler from where compilation lands. At
+ // that point, the Handle<Code> member of CompilationInfo would also be
+ // removed.
+ struct WasmCodeDesc {
+ CodeDesc code_desc;
+ size_t safepoint_table_offset = 0;
+ uint32_t frame_slot_count = 0;
+ Handle<ByteArray> source_positions_table;
+ MaybeHandle<HandlerTable> handler_table;
};
// Construct a compilation info for unoptimized compilation.
- CompilationInfo(Zone* zone, Isolate* isolate, ParseInfo* parse_info,
- FunctionLiteral* literal);
+ CompilationInfo(Zone* zone, ParseInfo* parse_info, FunctionLiteral* literal);
// Construct a compilation info for optimized compilation.
CompilationInfo(Zone* zone, Isolate* isolate,
Handle<SharedFunctionInfo> shared,
Handle<JSFunction> closure);
// Construct a compilation info for stub compilation (or testing).
- CompilationInfo(Vector<const char> debug_name, Isolate* isolate, Zone* zone,
+ CompilationInfo(Vector<const char> debug_name, Zone* zone,
Code::Kind code_kind);
~CompilationInfo();
@@ -75,7 +90,6 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
DeclarationScope* scope() const;
- Isolate* isolate() const { return isolate_; }
Zone* zone() { return zone_; }
bool is_osr() const { return !osr_offset_.IsNone(); }
Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
@@ -86,6 +100,10 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
Handle<JSFunction> closure() const { return closure_; }
Handle<Code> code() const { return code_; }
Code::Kind code_kind() const { return code_kind_; }
+ uint32_t stub_key() const { return stub_key_; }
+ void set_stub_key(uint32_t stub_key) { stub_key_ = stub_key; }
+ int32_t builtin_index() const { return builtin_index_; }
+ void set_builtin_index(int32_t index) { builtin_index_ = index; }
BailoutId osr_offset() const { return osr_offset_; }
JavaScriptFrame* osr_frame() const { return osr_frame_; }
int num_parameters() const;
@@ -105,15 +123,15 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
// Flags used by unoptimized compilation.
- void MarkAsSerializing() { SetFlag(kSerializing); }
- bool will_serialize() const { return GetFlag(kSerializing); }
-
void MarkAsEval() { SetFlag(kIsEval); }
bool is_eval() const { return GetFlag(kIsEval); }
void MarkAsNative() { SetFlag(kIsNative); }
bool is_native() const { return GetFlag(kIsNative); }
+ void MarkAsCollectTypeProfile() { SetFlag(kCollectTypeProfile); }
+ bool collect_type_profile() const { return GetFlag(kCollectTypeProfile); }
+
// Flags used by optimized compilation.
void MarkAsFunctionContextSpecializing() {
@@ -147,6 +165,10 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
void MarkAsLoopPeelingEnabled() { SetFlag(kLoopPeelingEnabled); }
bool is_loop_peeling_enabled() const { return GetFlag(kLoopPeelingEnabled); }
+ bool has_untrusted_code_mitigations() const {
+ return GetFlag(kUntrustedCodeMitigations);
+ }
+
// Code getters and setters.
void SetCode(Handle<Code> code) { code_ = code; }
@@ -159,6 +181,8 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
asm_wasm_data_ = asm_wasm_data;
}
+ FeedbackVectorSpec* feedback_vector_spec() { return &feedback_vector_spec_; }
+
bool has_context() const;
Context* context() const;
@@ -187,36 +211,26 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
void ReopenHandlesInNewHandleScope();
void AbortOptimization(BailoutReason reason) {
- DCHECK(reason != kNoReason);
+ DCHECK_NE(reason, kNoReason);
if (bailout_reason_ == kNoReason) bailout_reason_ = reason;
SetFlag(kDisableFutureOptimization);
}
void RetryOptimization(BailoutReason reason) {
- DCHECK(reason != kNoReason);
+ DCHECK_NE(reason, kNoReason);
if (GetFlag(kDisableFutureOptimization)) return;
bailout_reason_ = reason;
}
BailoutReason bailout_reason() const { return bailout_reason_; }
- CompilationDependencies* dependencies() { return &dependencies_; }
+ CompilationDependencies* dependencies() { return dependencies_.get(); }
int optimization_id() const {
DCHECK(IsOptimizing());
return optimization_id_;
}
- int osr_expr_stack_height() {
- DCHECK_GE(osr_expr_stack_height_, 0);
- return osr_expr_stack_height_;
- }
- void set_osr_expr_stack_height(int height) {
- DCHECK_EQ(osr_expr_stack_height_, -1);
- osr_expr_stack_height_ = height;
- DCHECK_GE(osr_expr_stack_height_, 0);
- }
-
bool has_simple_parameters();
struct InlinedFunctionHolder {
@@ -229,7 +243,7 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
: shared_info(inlined_shared_info) {
position.position = pos;
// initialized when generating the deoptimization literals
- position.inlined_function_id = DeoptimizationInputData::kNotInlinedIndex;
+ position.inlined_function_id = DeoptimizationData::kNotInlinedIndex;
}
void RegisterInlinedFunctionId(size_t inlined_function_id) {
@@ -258,6 +272,8 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
coverage_info_ = coverage_info;
}
+ WasmCodeDesc* wasm_code_desc() { return &wasm_code_desc_; }
+
private:
// Compilation mode.
// BASE is generated by the full codegen, optionally prepared for bailouts.
@@ -265,7 +281,7 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
enum Mode { BASE, OPTIMIZE, STUB };
CompilationInfo(Vector<const char> debug_name, Code::Kind code_kind,
- Mode mode, Isolate* isolate, Zone* zone);
+ Mode mode, Zone* zone);
void SetMode(Mode mode) { mode_ = mode; }
@@ -277,13 +293,14 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
bool GetFlag(Flag flag) const { return (flags_ & flag) != 0; }
- Isolate* isolate_;
FunctionLiteral* literal_;
SourceRangeMap* source_range_map_; // Used when block coverage is enabled.
unsigned flags_;
Code::Kind code_kind_;
+ uint32_t stub_key_;
+ int32_t builtin_index_;
Handle<SharedFunctionInfo> shared_info_;
@@ -291,6 +308,7 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
// The compiled code.
Handle<Code> code_;
+ WasmCodeDesc wasm_code_desc_;
// Compilation mode flag and whether deoptimization is allowed.
Mode mode_;
@@ -304,6 +322,9 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
// Holds the asm_wasm array generated by the asmjs compiler.
Handle<FixedArray> asm_wasm_data_;
+ // Holds the feedback vector spec generated during compilation
+ FeedbackVectorSpec feedback_vector_spec_;
+
// The zone from which the compilation pipeline working on this
// CompilationInfo allocates.
Zone* zone_;
@@ -311,7 +332,7 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
std::shared_ptr<DeferredHandles> deferred_handles_;
// Dependencies for this compilation, e.g. stable maps.
- CompilationDependencies dependencies_;
+ std::unique_ptr<CompilationDependencies> dependencies_;
BailoutReason bailout_reason_;
@@ -322,8 +343,6 @@ class V8_EXPORT_PRIVATE CompilationInfo final {
int optimization_id_;
- int osr_expr_stack_height_;
-
// The current OSR frame for specialization or {nullptr}.
JavaScriptFrame* osr_frame_ = nullptr;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 16:32:15 +0000