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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/188311">188311</a></dd>
<dt>Author</dt> <dd>ap@apple.com</dd>
<dt>Date</dt> <dd>2015-08-11 16:50:02 -0700 (Tue, 11 Aug 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Make ASan build not depend on asan.xcconfig
https://bugs.webkit.org/show_bug.cgi?id=147840
rdar://problem/21093702
Reviewed by Daniel Bates.
Source/JavaScriptCore:
* dfg/DFGOSREntry.cpp:
(JSC::DFG::OSREntryData::dump):
(JSC::DFG::prepareOSREntry):
* ftl/FTLOSREntry.cpp:
(JSC::FTL::prepareOSREntry):
* heap/ConservativeRoots.cpp:
(JSC::ConservativeRoots::genericAddPointer):
(JSC::ConservativeRoots::genericAddSpan):
* heap/MachineStackMarker.cpp:
(JSC::MachineThreads::removeThreadIfFound):
(JSC::MachineThreads::gatherFromCurrentThread):
(JSC::MachineThreads::Thread::captureStack):
(JSC::copyMemory):
* interpreter/Register.h:
(JSC::Register::operator=):
(JSC::Register::asanUnsafeJSValue):
(JSC::Register::jsValue):
Tools:
* asan/asan.xcconfig:
* asan/webkit-asan-ignore.txt: Removed. It's no longer needed, as unsafe functions
are now marked in source code.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoredfgDFGOSREntrycpp">trunk/Source/JavaScriptCore/dfg/DFGOSREntry.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreftlFTLOSREntrycpp">trunk/Source/JavaScriptCore/ftl/FTLOSREntry.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreheapConservativeRootscpp">trunk/Source/JavaScriptCore/heap/ConservativeRoots.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreheapMachineStackMarkercpp">trunk/Source/JavaScriptCore/heap/MachineStackMarker.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreinterpreterRegisterh">trunk/Source/JavaScriptCore/interpreter/Register.h</a></li>
<li><a href="#trunkSourceWTFwtfCompilerh">trunk/Source/WTF/wtf/Compiler.h</a></li>
<li><a href="#trunkToolsChangeLog">trunk/Tools/ChangeLog</a></li>
<li><a href="#trunkToolsasanasanxcconfig">trunk/Tools/asan/asan.xcconfig</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkToolsasanwebkitasanignoretxt">trunk/Tools/asan/webkit-asan-ignore.txt</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/ChangeLog 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -1,3 +1,29 @@
</span><ins>+2015-08-11 Alexey Proskuryakov <ap@apple.com>
+
+ Make ASan build not depend on asan.xcconfig
+ https://bugs.webkit.org/show_bug.cgi?id=147840
+ rdar://problem/21093702
+
+ Reviewed by Daniel Bates.
+
+ * dfg/DFGOSREntry.cpp:
+ (JSC::DFG::OSREntryData::dump):
+ (JSC::DFG::prepareOSREntry):
+ * ftl/FTLOSREntry.cpp:
+ (JSC::FTL::prepareOSREntry):
+ * heap/ConservativeRoots.cpp:
+ (JSC::ConservativeRoots::genericAddPointer):
+ (JSC::ConservativeRoots::genericAddSpan):
+ * heap/MachineStackMarker.cpp:
+ (JSC::MachineThreads::removeThreadIfFound):
+ (JSC::MachineThreads::gatherFromCurrentThread):
+ (JSC::MachineThreads::Thread::captureStack):
+ (JSC::copyMemory):
+ * interpreter/Register.h:
+ (JSC::Register::operator=):
+ (JSC::Register::asanUnsafeJSValue):
+ (JSC::Register::jsValue):
+
</ins><span class="cx"> 2015-08-11 Yusuke Suzuki <utatane.tea@gmail.com>
</span><span class="cx">
</span><span class="cx"> Introduce get_by_id like IC into get_by_val when the given name is String or Symbol
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoredfgDFGOSREntrycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/dfg/DFGOSREntry.cpp (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/dfg/DFGOSREntry.cpp 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/dfg/DFGOSREntry.cpp 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -90,6 +90,7 @@
</span><span class="cx"> dumpInContext(out, nullptr);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+SUPPRESS_ASAN
</ins><span class="cx"> void* prepareOSREntry(ExecState* exec, CodeBlock* codeBlock, unsigned bytecodeIndex)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(JITCode::isOptimizingJIT(codeBlock->jitType()));
</span><span class="lines">@@ -202,33 +203,33 @@
</span><span class="cx"> for (size_t local = 0; local < entry->m_expectedValues.numberOfLocals(); ++local) {
</span><span class="cx"> int localOffset = virtualRegisterForLocal(local).offset();
</span><span class="cx"> if (entry->m_localsForcedDouble.get(local)) {
</span><del>- if (!exec->registers()[localOffset].jsValue().isNumber()) {
</del><ins>+ if (!exec->registers()[localOffset].asanUnsafeJSValue().isNumber()) {
</ins><span class="cx"> if (Options::verboseOSR()) {
</span><span class="cx"> dataLog(
</span><span class="cx"> " OSR failed because variable ", localOffset, " is ",
</span><del>- exec->registers()[localOffset].jsValue(), ", expected number.\n");
</del><ins>+ exec->registers()[localOffset].asanUnsafeJSValue(), ", expected number.\n");
</ins><span class="cx"> }
</span><span class="cx"> return 0;
</span><span class="cx"> }
</span><span class="cx"> continue;
</span><span class="cx"> }
</span><span class="cx"> if (entry->m_localsForcedMachineInt.get(local)) {
</span><del>- if (!exec->registers()[localOffset].jsValue().isMachineInt()) {
</del><ins>+ if (!exec->registers()[localOffset].asanUnsafeJSValue().isMachineInt()) {
</ins><span class="cx"> if (Options::verboseOSR()) {
</span><span class="cx"> dataLog(
</span><span class="cx"> " OSR failed because variable ", localOffset, " is ",
</span><del>- exec->registers()[localOffset].jsValue(), ", expected ",
</del><ins>+ exec->registers()[localOffset].asanUnsafeJSValue(), ", expected ",
</ins><span class="cx"> "machine int.\n");
</span><span class="cx"> }
</span><span class="cx"> return 0;
</span><span class="cx"> }
</span><span class="cx"> continue;
</span><span class="cx"> }
</span><del>- if (!entry->m_expectedValues.local(local).validate(exec->registers()[localOffset].jsValue())) {
</del><ins>+ if (!entry->m_expectedValues.local(local).validate(exec->registers()[localOffset].asanUnsafeJSValue())) {
</ins><span class="cx"> if (Options::verboseOSR()) {
</span><span class="cx"> dataLog(
</span><span class="cx"> " OSR failed because variable ", localOffset, " is ",
</span><del>- exec->registers()[localOffset].jsValue(), ", expected ",
</del><ins>+ exec->registers()[localOffset].asanUnsafeJSValue(), ", expected ",
</ins><span class="cx"> entry->m_expectedValues.local(local), ".\n");
</span><span class="cx"> }
</span><span class="cx"> return 0;
</span><span class="lines">@@ -280,23 +281,23 @@
</span><span class="cx">
</span><span class="cx"> if (reg.isLocal()) {
</span><span class="cx"> if (entry->m_localsForcedDouble.get(reg.toLocal())) {
</span><del>- *bitwise_cast<double*>(pivot + index) = exec->registers()[reg.offset()].jsValue().asNumber();
</del><ins>+ *bitwise_cast<double*>(pivot + index) = exec->registers()[reg.offset()].asanUnsafeJSValue().asNumber();
</ins><span class="cx"> continue;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if (entry->m_localsForcedMachineInt.get(reg.toLocal())) {
</span><del>- *bitwise_cast<int64_t*>(pivot + index) = exec->registers()[reg.offset()].jsValue().asMachineInt() << JSValue::int52ShiftAmount;
</del><ins>+ *bitwise_cast<int64_t*>(pivot + index) = exec->registers()[reg.offset()].asanUnsafeJSValue().asMachineInt() << JSValue::int52ShiftAmount;
</ins><span class="cx"> continue;
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- pivot[index] = exec->registers()[reg.offset()].jsValue();
</del><ins>+ pivot[index] = exec->registers()[reg.offset()].asanUnsafeJSValue();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // 4) Reshuffle those registers that need reshuffling.
</span><span class="cx"> Vector<JSValue> temporaryLocals(entry->m_reshufflings.size());
</span><span class="cx"> for (unsigned i = entry->m_reshufflings.size(); i--;)
</span><del>- temporaryLocals[i] = pivot[VirtualRegister(entry->m_reshufflings[i].fromOffset).toLocal()].jsValue();
</del><ins>+ temporaryLocals[i] = pivot[VirtualRegister(entry->m_reshufflings[i].fromOffset).toLocal()].asanUnsafeJSValue();
</ins><span class="cx"> for (unsigned i = entry->m_reshufflings.size(); i--;)
</span><span class="cx"> pivot[VirtualRegister(entry->m_reshufflings[i].toOffset).toLocal()] = temporaryLocals[i];
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreftlFTLOSREntrycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ftl/FTLOSREntry.cpp (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ftl/FTLOSREntry.cpp 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/ftl/FTLOSREntry.cpp 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -38,6 +38,7 @@
</span><span class="cx">
</span><span class="cx"> namespace JSC { namespace FTL {
</span><span class="cx">
</span><ins>+SUPPRESS_ASAN
</ins><span class="cx"> void* prepareOSREntry(
</span><span class="cx"> ExecState* exec, CodeBlock* dfgCodeBlock, CodeBlock* entryCodeBlock,
</span><span class="cx"> unsigned bytecodeIndex, unsigned streamIndex)
</span><span class="lines">@@ -71,7 +72,7 @@
</span><span class="cx"> dataLog(" Values at entry: ", values, "\n");
</span><span class="cx">
</span><span class="cx"> for (int argument = values.numberOfArguments(); argument--;) {
</span><del>- JSValue valueOnStack = exec->r(virtualRegisterForArgument(argument).offset()).jsValue();
</del><ins>+ JSValue valueOnStack = exec->r(virtualRegisterForArgument(argument).offset()).asanUnsafeJSValue();
</ins><span class="cx"> JSValue reconstructedValue = values.argument(argument);
</span><span class="cx"> if (valueOnStack == reconstructedValue || !argument)
</span><span class="cx"> continue;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreheapConservativeRootscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/heap/ConservativeRoots.cpp (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/heap/ConservativeRoots.cpp 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/heap/ConservativeRoots.cpp 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -92,6 +92,7 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<typename MarkHook>
</span><ins>+SUPPRESS_ASAN
</ins><span class="cx"> void ConservativeRoots::genericAddSpan(void* begin, void* end, MarkHook& markHook)
</span><span class="cx"> {
</span><span class="cx"> if (begin > end) {
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreheapMachineStackMarkercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/heap/MachineStackMarker.cpp (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/heap/MachineStackMarker.cpp 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/heap/MachineStackMarker.cpp 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -335,7 +335,8 @@
</span><span class="cx"> delete t;
</span><span class="cx"> }
</span><span class="cx"> }
</span><del>-
</del><ins>+
+SUPPRESS_ASAN
</ins><span class="cx"> void MachineThreads::gatherFromCurrentThread(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, CodeBlockSet& codeBlocks, void* stackOrigin, void* stackTop, RegisterState& calleeSavedRegisters)
</span><span class="cx"> {
</span><span class="cx"> void* registersBegin = &calleeSavedRegisters;
</span><span class="lines">@@ -519,6 +520,7 @@
</span><span class="cx"> return std::make_pair(begin, static_cast<char*>(end) - static_cast<char*>(begin));
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+SUPPRESS_ASAN
</ins><span class="cx"> static void copyMemory(void* dst, const void* src, size_t size)
</span><span class="cx"> {
</span><span class="cx"> size_t dstAsSize = reinterpret_cast<size_t>(dst);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreinterpreterRegisterh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/interpreter/Register.h (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/interpreter/Register.h 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/JavaScriptCore/interpreter/Register.h 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -51,6 +51,7 @@
</span><span class="cx"> Register(const JSValue&);
</span><span class="cx"> Register& operator=(const JSValue&);
</span><span class="cx"> JSValue jsValue() const;
</span><ins>+ JSValue asanUnsafeJSValue() const;
</ins><span class="cx"> EncodedJSValue encodedJSValue() const;
</span><span class="cx">
</span><span class="cx"> Register& operator=(CallFrame*);
</span><span class="lines">@@ -110,6 +111,12 @@
</span><span class="cx"> return *this;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ // FIXME (rdar://problem/19379214): ASan only needs to be suppressed for Register::jsValue() when called from prepareOSREntry(), but there is currently no way to express this short of adding a separate copy of the function.
+ SUPPRESS_ASAN ALWAYS_INLINE JSValue Register::asanUnsafeJSValue() const
+ {
+ return JSValue::decode(u.value);
+ }
+
</ins><span class="cx"> ALWAYS_INLINE JSValue Register::jsValue() const
</span><span class="cx"> {
</span><span class="cx"> return JSValue::decode(u.value);
</span></span></pre></div>
<a id="trunkSourceWTFwtfCompilerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/Compiler.h (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/Compiler.h 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Source/WTF/wtf/Compiler.h 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -137,6 +137,12 @@
</span><span class="cx"> #define ASAN_ENABLED 0
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+#if ASAN_ENABLED
+#define SUPPRESS_ASAN __attribute__((no_sanitize_address))
+#else
+#define SUPPRESS_ASAN
+#endif
+
</ins><span class="cx"> /* ==== Compiler-independent macros for various compiler features, in alphabetical order ==== */
</span><span class="cx">
</span><span class="cx"> /* ALWAYS_INLINE */
</span></span></pre></div>
<a id="trunkToolsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Tools/ChangeLog (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/ChangeLog 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Tools/ChangeLog 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2015-08-11 Alexey Proskuryakov <ap@apple.com>
+
+ Make ASan build not depend on asan.xcconfig
+ https://bugs.webkit.org/show_bug.cgi?id=147840
+ rdar://problem/21093702
+
+ Reviewed by Daniel Bates.
+
+ * asan/asan.xcconfig:
+ * asan/webkit-asan-ignore.txt: Removed. It's no longer needed, as unsafe functions
+ are now marked in source code.
+
</ins><span class="cx"> 2015-08-11 Filip Pizlo <fpizlo@apple.com>
</span><span class="cx">
</span><span class="cx"> Unreviewed, shorten another test since it timed out.
</span></span></pre></div>
<a id="trunkToolsasanasanxcconfig"></a>
<div class="modfile"><h4>Modified: trunk/Tools/asan/asan.xcconfig (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/asan/asan.xcconfig 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Tools/asan/asan.xcconfig 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -12,7 +12,7 @@
</span><span class="cx">
</span><span class="cx"> CLANG_ADDRESS_SANITIZER=YES
</span><span class="cx">
</span><del>-ASAN_OTHER_CFLAGS = -fsanitize-blacklist=$(ASAN_IGNORE) -fno-omit-frame-pointer -g;
</del><ins>+ASAN_OTHER_CFLAGS = -fno-omit-frame-pointer -g;
</ins><span class="cx"> ASAN_OTHER_CPLUSPLUSFLAGS = $(ASAN_OTHER_CFLAGS);
</span><span class="cx">
</span><span class="cx"> GCC_ENABLE_OBJC_GC = NO;
</span></span></pre></div>
<a id="trunkToolsasanwebkitasanignoretxt"></a>
<div class="delfile"><h4>Deleted: trunk/Tools/asan/webkit-asan-ignore.txt (188310 => 188311)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/asan/webkit-asan-ignore.txt 2015-08-11 23:36:30 UTC (rev 188310)
+++ trunk/Tools/asan/webkit-asan-ignore.txt 2015-08-11 23:50:02 UTC (rev 188311)
</span><span class="lines">@@ -1,7 +0,0 @@
</span><del>-fun:*genericAddSpan*
-fun:*gatherFromCurrentThread*ConservativeRoots*
-fun:*DFG*prepareOSREntry*
-# FIXME (rdar://problem/19379214): Register::jsValue() only needs to be blacklisted when
-# called from prepareOSREntry(), but there is currently no way to express this in a blacklist.
-fun:*JSC*Register*jsValue*
-fun:*asanUnsafeMemcpy*
</del></span></pre>
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