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-rw-r--r--js/public/MemoryMetrics.h23
-rw-r--r--js/public/Utility.h2
-rw-r--r--js/src/gc/GCInternals.h5
-rw-r--r--js/src/gc/Statistics.h18
-rw-r--r--js/src/jit/BacktrackingAllocator.cpp11
-rw-r--r--js/src/jit/BacktrackingAllocator.h15
-rw-r--r--js/src/jit/IonCode.h11
-rw-r--r--js/src/jit/shared/Assembler-shared.h10
-rw-r--r--js/src/vm/Caches.h16
-rw-r--r--js/src/vm/Runtime.h15
-rw-r--r--js/src/vm/String.h11
-rw-r--r--js/src/vm/TypeInference.h20
-rw-r--r--js/src/wasm/AsmJS.cpp18
13 files changed, 77 insertions, 98 deletions
diff --git a/js/public/MemoryMetrics.h b/js/public/MemoryMetrics.h
index b0b26631c..dcc886217 100644
--- a/js/public/MemoryMetrics.h
+++ b/js/public/MemoryMetrics.h
@@ -11,7 +11,6 @@
// at your own risk.
#include "mozilla/MemoryReporting.h"
-#include "mozilla/PodOperations.h"
#include "mozilla/TypeTraits.h"
#include <string.h>
@@ -74,15 +73,7 @@ struct ServoSizes
Ignore
};
- ServoSizes()
- : gcHeapUsed(0)
- , gcHeapUnused(0)
- , gcHeapAdmin(0)
- , gcHeapDecommitted(0)
- , mallocHeap(0)
- , nonHeap(0)
- {
- }
+ ServoSizes() = default;
void add(Kind kind, size_t n) {
switch (kind) {
@@ -97,12 +88,12 @@ struct ServoSizes
}
}
- size_t gcHeapUsed;
- size_t gcHeapUnused;
- size_t gcHeapAdmin;
- size_t gcHeapDecommitted;
- size_t mallocHeap;
- size_t nonHeap;
+ size_t gcHeapUsed = 0;
+ size_t gcHeapUnused = 0;
+ size_t gcHeapAdmin = 0;
+ size_t gcHeapDecommitted = 0;
+ size_t mallocHeap = 0;
+ size_t nonHeap = 0;
};
} // namespace JS
diff --git a/js/public/Utility.h b/js/public/Utility.h
index 68de3004a..99712faa8 100644
--- a/js/public/Utility.h
+++ b/js/public/Utility.h
@@ -391,7 +391,7 @@ js_delete_poison(const T* p)
{
if (p) {
p->~T();
- memset(const_cast<T*>(p), 0x3B, sizeof(T));
+ memset(static_cast<void*>(const_cast<T*>(p)), 0x3B, sizeof(T));
js_free(const_cast<T*>(p));
}
}
diff --git a/js/src/gc/GCInternals.h b/js/src/gc/GCInternals.h
index 4919b87a5..e8df0bb70 100644
--- a/js/src/gc/GCInternals.h
+++ b/js/src/gc/GCInternals.h
@@ -9,7 +9,6 @@
#include "mozilla/ArrayUtils.h"
#include "mozilla/Maybe.h"
-#include "mozilla/PodOperations.h"
#include "jscntxt.h"
@@ -102,9 +101,9 @@ struct TenureCountCache
static const size_t EntryShift = 4;
static const size_t EntryCount = 1 << EntryShift;
- TenureCount entries[EntryCount];
+ TenureCount entries[EntryCount] = {}; // zeroes
- TenureCountCache() { mozilla::PodZero(this); }
+ TenureCountCache() = default;
HashNumber hash(ObjectGroup* group) {
#if JS_BITS_PER_WORD == 32
diff --git a/js/src/gc/Statistics.h b/js/src/gc/Statistics.h
index ca1969b2c..08a2810cf 100644
--- a/js/src/gc/Statistics.h
+++ b/js/src/gc/Statistics.h
@@ -10,7 +10,6 @@
#include "mozilla/EnumeratedArray.h"
#include "mozilla/IntegerRange.h"
#include "mozilla/Maybe.h"
-#include "mozilla/PodOperations.h"
#include "jsalloc.h"
#include "jsgc.h"
@@ -112,29 +111,26 @@ enum Stat {
struct ZoneGCStats
{
/* Number of zones collected in this GC. */
- int collectedZoneCount;
+ int collectedZoneCount = 0;
/* Total number of zones in the Runtime at the start of this GC. */
- int zoneCount;
+ int zoneCount = 0;
/* Number of zones swept in this GC. */
- int sweptZoneCount;
+ int sweptZoneCount = 0;
/* Total number of compartments in all zones collected. */
- int collectedCompartmentCount;
+ int collectedCompartmentCount = 0;
/* Total number of compartments in the Runtime at the start of this GC. */
- int compartmentCount;
+ int compartmentCount = 0;
/* Total number of compartments swept by this GC. */
- int sweptCompartmentCount;
+ int sweptCompartmentCount = 0;
bool isCollectingAllZones() const { return collectedZoneCount == zoneCount; }
- ZoneGCStats()
- : collectedZoneCount(0), zoneCount(0), sweptZoneCount(0),
- collectedCompartmentCount(0), compartmentCount(0), sweptCompartmentCount(0)
- {}
+ ZoneGCStats() = default;
};
#define FOR_EACH_GC_PROFILE_TIME(_) \
diff --git a/js/src/jit/BacktrackingAllocator.cpp b/js/src/jit/BacktrackingAllocator.cpp
index 94ef25785..73aceeccb 100644
--- a/js/src/jit/BacktrackingAllocator.cpp
+++ b/js/src/jit/BacktrackingAllocator.cpp
@@ -378,7 +378,6 @@ BacktrackingAllocator::init()
size_t numVregs = graph.numVirtualRegisters();
if (!vregs.init(mir->alloc(), numVregs))
return false;
- memset(&vregs[0], 0, sizeof(VirtualRegister) * numVregs);
for (uint32_t i = 0; i < numVregs; i++)
new(&vregs[i]) VirtualRegister();
@@ -1101,9 +1100,9 @@ BacktrackingAllocator::mergeAndQueueRegisters()
if (iter->isParameter()) {
for (size_t i = 0; i < iter->numDefs(); i++) {
DebugOnly<bool> found = false;
- VirtualRegister &paramVreg = vreg(iter->getDef(i));
+ VirtualRegister& paramVreg = vreg(iter->getDef(i));
for (; original < paramVreg.vreg(); original++) {
- VirtualRegister &originalVreg = vregs[original];
+ VirtualRegister& originalVreg = vregs[original];
if (*originalVreg.def()->output() == *iter->getDef(i)->output()) {
MOZ_ASSERT(originalVreg.ins()->isParameter());
if (!tryMergeBundles(originalVreg.firstBundle(), paramVreg.firstBundle()))
@@ -1136,7 +1135,7 @@ BacktrackingAllocator::mergeAndQueueRegisters()
LBlock* block = graph.getBlock(i);
for (size_t j = 0; j < block->numPhis(); j++) {
LPhi* phi = block->getPhi(j);
- VirtualRegister &outputVreg = vreg(phi->getDef(0));
+ VirtualRegister& outputVreg = vreg(phi->getDef(0));
for (size_t k = 0, kend = phi->numOperands(); k < kend; k++) {
VirtualRegister& inputVreg = vreg(phi->getOperand(k)->toUse());
if (!tryMergeBundles(inputVreg.firstBundle(), outputVreg.firstBundle()))
@@ -1334,7 +1333,7 @@ BacktrackingAllocator::computeRequirement(LiveBundle* bundle,
for (LiveRange::BundleLinkIterator iter = bundle->rangesBegin(); iter; iter++) {
LiveRange* range = LiveRange::get(*iter);
- VirtualRegister &reg = vregs[range->vreg()];
+ VirtualRegister& reg = vregs[range->vreg()];
if (range->hasDefinition()) {
// Deal with any definition constraints/hints.
@@ -1396,7 +1395,7 @@ BacktrackingAllocator::tryAllocateRegister(PhysicalRegister& r, LiveBundle* bund
for (LiveRange::BundleLinkIterator iter = bundle->rangesBegin(); iter; iter++) {
LiveRange* range = LiveRange::get(*iter);
- VirtualRegister &reg = vregs[range->vreg()];
+ VirtualRegister& reg = vregs[range->vreg()];
if (!reg.isCompatible(r.reg))
return true;
diff --git a/js/src/jit/BacktrackingAllocator.h b/js/src/jit/BacktrackingAllocator.h
index 6d14ffacd..9910498fb 100644
--- a/js/src/jit/BacktrackingAllocator.h
+++ b/js/src/jit/BacktrackingAllocator.h
@@ -478,34 +478,31 @@ class LiveBundle : public TempObject
class VirtualRegister
{
// Instruction which defines this register.
- LNode* ins_;
+ LNode* ins_ = nullptr;
// Definition in the instruction for this register.
- LDefinition* def_;
+ LDefinition* def_ = nullptr;
// All live ranges for this register. These may overlap each other, and are
// ordered by their start position.
InlineForwardList<LiveRange::RegisterLink> ranges_;
// Whether def_ is a temp or an output.
- bool isTemp_;
+ bool isTemp_ = false;
// Whether this vreg is an input for some phi. This use is not reflected in
// any range on the vreg.
- bool usedByPhi_;
+ bool usedByPhi_ = false;
// If this register's definition is MUST_REUSE_INPUT, whether a copy must
// be introduced before the definition that relaxes the policy.
- bool mustCopyInput_;
+ bool mustCopyInput_ = false;
void operator=(const VirtualRegister&) = delete;
VirtualRegister(const VirtualRegister&) = delete;
public:
- explicit VirtualRegister()
- {
- // Note: This class is zeroed before it is constructed.
- }
+ VirtualRegister() = default;
void init(LNode* ins, LDefinition* def, bool isTemp) {
MOZ_ASSERT(!ins_);
diff --git a/js/src/jit/IonCode.h b/js/src/jit/IonCode.h
index c581aa62e..55c3d4dad 100644
--- a/js/src/jit/IonCode.h
+++ b/js/src/jit/IonCode.h
@@ -9,7 +9,6 @@
#include "mozilla/Atomics.h"
#include "mozilla/MemoryReporting.h"
-#include "mozilla/PodOperations.h"
#include "jstypes.h"
@@ -692,17 +691,15 @@ struct IonScriptCounts
{
private:
// Any previous invalidated compilation(s) for the script.
- IonScriptCounts* previous_;
+ IonScriptCounts* previous_ = nullptr;
// Information about basic blocks in this script.
- size_t numBlocks_;
- IonBlockCounts* blocks_;
+ size_t numBlocks_ = 0;
+ IonBlockCounts* blocks_ = nullptr;
public:
- IonScriptCounts() {
- mozilla::PodZero(this);
- }
+ IonScriptCounts() = default;
~IonScriptCounts() {
for (size_t i = 0; i < numBlocks_; i++)
diff --git a/js/src/jit/shared/Assembler-shared.h b/js/src/jit/shared/Assembler-shared.h
index aac9687b8..8044e75cb 100644
--- a/js/src/jit/shared/Assembler-shared.h
+++ b/js/src/jit/shared/Assembler-shared.h
@@ -7,8 +7,6 @@
#ifndef jit_shared_Assembler_shared_h
#define jit_shared_Assembler_shared_h
-#include "mozilla/PodOperations.h"
-
#include <limits.h>
#include "jit/AtomicOp.h"
@@ -491,10 +489,10 @@ class CodeLabel
class CodeOffsetJump
{
- size_t offset_;
+ size_t offset_ = 0;
#ifdef JS_SMALL_BRANCH
- size_t jumpTableIndex_;
+ size_t jumpTableIndex_ = 0;
#endif
public:
@@ -510,9 +508,7 @@ class CodeOffsetJump
explicit CodeOffsetJump(size_t offset) : offset_(offset) {}
#endif
- CodeOffsetJump() {
- mozilla::PodZero(this);
- }
+ CodeOffsetJump() = default;
size_t offset() const {
return offset_;
diff --git a/js/src/vm/Caches.h b/js/src/vm/Caches.h
index 91a78bdc8..b11dd9dcb 100644
--- a/js/src/vm/Caches.h
+++ b/js/src/vm/Caches.h
@@ -7,6 +7,8 @@
#ifndef vm_Caches_h
#define vm_Caches_h
+#include <new>
+
#include "jsatom.h"
#include "jsbytecode.h"
#include "jsobj.h"
@@ -191,14 +193,20 @@ class NewObjectCache
char templateObject[MAX_OBJ_SIZE];
};
- Entry entries[41]; // TODO: reconsider size
+ using EntryArray = Entry[41]; // TODO: reconsider size;
+ EntryArray entries;
public:
- typedef int EntryIndex;
+ using EntryIndex = int;
+
+ NewObjectCache()
+ : entries{} // zeroes out the array
+ {}
- NewObjectCache() { mozilla::PodZero(this); }
- void purge() { mozilla::PodZero(this); }
+ void purge() {
+ new (&entries) EntryArray{}; // zeroes out the array
+ }
/* Remove any cached items keyed on moved objects. */
void clearNurseryObjects(JSRuntime* rt);
diff --git a/js/src/vm/Runtime.h b/js/src/vm/Runtime.h
index 735adadf2..f354d2069 100644
--- a/js/src/vm/Runtime.h
+++ b/js/src/vm/Runtime.h
@@ -11,11 +11,11 @@
#include "mozilla/Attributes.h"
#include "mozilla/LinkedList.h"
#include "mozilla/MemoryReporting.h"
-#include "mozilla/PodOperations.h"
#include "mozilla/Scoped.h"
#include "mozilla/ThreadLocal.h"
#include "mozilla/Vector.h"
+#include <algorithm>
#include <setjmp.h>
#include "jsatom.h"
@@ -1504,20 +1504,21 @@ PerThreadData::exclusiveThreadsPresent()
static MOZ_ALWAYS_INLINE void
MakeRangeGCSafe(Value* vec, size_t len)
{
- mozilla::PodZero(vec, len);
+ // Don't PodZero here because JS::Value is non-trivial.
+ for (size_t i = 0; i < len; i++)
+ vec[i].setDouble(+0.0);
}
static MOZ_ALWAYS_INLINE void
MakeRangeGCSafe(Value* beg, Value* end)
{
- mozilla::PodZero(beg, end - beg);
+ MakeRangeGCSafe(beg, end - beg);
}
static MOZ_ALWAYS_INLINE void
MakeRangeGCSafe(jsid* beg, jsid* end)
{
- for (jsid* id = beg; id != end; ++id)
- *id = INT_TO_JSID(0);
+ std::fill(beg, end, INT_TO_JSID(0));
}
static MOZ_ALWAYS_INLINE void
@@ -1529,13 +1530,13 @@ MakeRangeGCSafe(jsid* vec, size_t len)
static MOZ_ALWAYS_INLINE void
MakeRangeGCSafe(Shape** beg, Shape** end)
{
- mozilla::PodZero(beg, end - beg);
+ std::fill(beg, end, nullptr);
}
static MOZ_ALWAYS_INLINE void
MakeRangeGCSafe(Shape** vec, size_t len)
{
- mozilla::PodZero(vec, len);
+ MakeRangeGCSafe(vec, vec + len);
}
static MOZ_ALWAYS_INLINE void
diff --git a/js/src/vm/String.h b/js/src/vm/String.h
index 1a0c58575..514e2c205 100644
--- a/js/src/vm/String.h
+++ b/js/src/vm/String.h
@@ -8,7 +8,6 @@
#define vm_String_h
#include "mozilla/MemoryReporting.h"
-#include "mozilla/PodOperations.h"
#include "mozilla/Range.h"
#include "jsapi.h"
@@ -1087,19 +1086,17 @@ class StaticStrings
static const size_t SMALL_CHAR_LIMIT = 128U;
static const size_t NUM_SMALL_CHARS = 64U;
- JSAtom* length2StaticTable[NUM_SMALL_CHARS * NUM_SMALL_CHARS];
+ JSAtom* length2StaticTable[NUM_SMALL_CHARS * NUM_SMALL_CHARS] = {}; // zeroes
public:
/* We keep these public for the JITs. */
static const size_t UNIT_STATIC_LIMIT = 256U;
- JSAtom* unitStaticTable[UNIT_STATIC_LIMIT];
+ JSAtom* unitStaticTable[UNIT_STATIC_LIMIT] = {}; // zeroes
static const size_t INT_STATIC_LIMIT = 256U;
- JSAtom* intStaticTable[INT_STATIC_LIMIT];
+ JSAtom* intStaticTable[INT_STATIC_LIMIT] = {}; // zeroes
- StaticStrings() {
- mozilla::PodZero(this);
- }
+ StaticStrings() = default;
bool init(JSContext* cx);
void trace(JSTracer* trc);
diff --git a/js/src/vm/TypeInference.h b/js/src/vm/TypeInference.h
index 9ba1c3cc8..0e737bad7 100644
--- a/js/src/vm/TypeInference.h
+++ b/js/src/vm/TypeInference.h
@@ -807,12 +807,10 @@ class PreliminaryObjectArray
private:
// All objects with the type which have been allocated. The pointers in
// this array are weak.
- JSObject* objects[COUNT];
+ JSObject* objects[COUNT] = {}; // zeroes
public:
- PreliminaryObjectArray() {
- mozilla::PodZero(this);
- }
+ PreliminaryObjectArray() = default;
void registerNewObject(JSObject* res);
void unregisterObject(JSObject* obj);
@@ -906,11 +904,11 @@ class TypeNewScript
private:
// Scripted function which this information was computed for.
- HeapPtr<JSFunction*> function_;
+ HeapPtr<JSFunction*> function_ = {};
// Any preliminary objects with the type. The analyses are not performed
// until this array is cleared.
- PreliminaryObjectArray* preliminaryObjects;
+ PreliminaryObjectArray* preliminaryObjects = nullptr;
// After the new script properties analyses have been performed, a template
// object to use for newly constructed objects. The shape of this object
@@ -918,7 +916,7 @@ class TypeNewScript
// allocation kind to use. This is null if the new objects have an unboxed
// layout, in which case the UnboxedLayout provides the initial structure
// of the object.
- HeapPtr<PlainObject*> templateObject_;
+ HeapPtr<PlainObject*> templateObject_ = {};
// Order in which definite properties become initialized. We need this in
// case the definite properties are invalidated (such as by adding a setter
@@ -928,21 +926,21 @@ class TypeNewScript
// shape. Property assignments in inner frames are preceded by a series of
// SETPROP_FRAME entries specifying the stack down to the frame containing
// the write.
- Initializer* initializerList;
+ Initializer* initializerList = nullptr;
// If there are additional properties found by the acquired properties
// analysis which were not found by the definite properties analysis, this
// shape contains all such additional properties (plus the definite
// properties). When an object of this group acquires this shape, it is
// fully initialized and its group can be changed to initializedGroup.
- HeapPtr<Shape*> initializedShape_;
+ HeapPtr<Shape*> initializedShape_ = {};
// Group with definite properties set for all properties found by
// both the definite and acquired properties analyses.
- HeapPtr<ObjectGroup*> initializedGroup_;
+ HeapPtr<ObjectGroup*> initializedGroup_ = {};
public:
- TypeNewScript() { mozilla::PodZero(this); }
+ TypeNewScript() = default;
~TypeNewScript() {
js_delete(preliminaryObjects);
js_free(initializerList);
diff --git a/js/src/wasm/AsmJS.cpp b/js/src/wasm/AsmJS.cpp
index 7fade24fb..2237d1d7f 100644
--- a/js/src/wasm/AsmJS.cpp
+++ b/js/src/wasm/AsmJS.cpp
@@ -249,14 +249,14 @@ typedef Vector<AsmJSImport, 0, SystemAllocPolicy> AsmJSImportVector;
// case the function is toString()ed.
class AsmJSExport
{
- uint32_t funcIndex_;
+ uint32_t funcIndex_ = 0;
// All fields are treated as cacheable POD:
- uint32_t startOffsetInModule_; // Store module-start-relative offsets
- uint32_t endOffsetInModule_; // so preserved by serialization.
+ uint32_t startOffsetInModule_ = 0; // Store module-start-relative offsets
+ uint32_t endOffsetInModule_ = 0; // so preserved by serialization.
public:
- AsmJSExport() { PodZero(this); }
+ AsmJSExport() = default;
AsmJSExport(uint32_t funcIndex, uint32_t startOffsetInModule, uint32_t endOffsetInModule)
: funcIndex_(funcIndex),
startOffsetInModule_(startOffsetInModule),
@@ -288,12 +288,12 @@ enum class CacheResult
struct AsmJSMetadataCacheablePod
{
- uint32_t numFFIs;
- uint32_t srcLength;
- uint32_t srcLengthWithRightBrace;
- bool usesSimd;
+ uint32_t numFFIs = 0;
+ uint32_t srcLength = 0;
+ uint32_t srcLengthWithRightBrace = 0;
+ bool usesSimd = false;
- AsmJSMetadataCacheablePod() { PodZero(this); }
+ AsmJSMetadataCacheablePod() = default;
};
struct js::AsmJSMetadata : Metadata, AsmJSMetadataCacheablePod
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 20:06:38 +0000