JSC verbose debugging output sometimes doesn't work as expected.
https://bugs.webkit.org/show_bug.cgi?id=66107
Reviewed by Gavin Barraclough.
Hardened the CodeBlock::dump() code so that it no longer crashes. Improved
the DFG verbose code so that it prints slightly more useful information.
* assembler/LinkBuffer.h:
(JSC::LinkBuffer::debugSize):
* bytecode/CodeBlock.cpp:
(JSC::valueToSourceString):
(JSC::CodeBlock::dump):
* bytecode/CodeBlock.h:
(JSC::CodeBlock::numberOfRegExps):
* dfg/DFGJITCompiler.cpp:
(JSC::DFG::JITCompiler::link):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@93238 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/bytecode/CodeBlock.cpp b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
index f2272f2f..63b1a1f 100644
--- a/Source/JavaScriptCore/bytecode/CodeBlock.cpp
+++ b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
@@ -76,7 +76,7 @@
if (val.isString())
return makeUString("\"", escapeQuotes(val.toString(exec)), "\"");
- return val.toString(exec);
+ return val.description();
}
static CString constantName(ExecState* exec, int k, JSValue value)
@@ -542,7 +542,11 @@
case op_new_regexp: {
int r0 = (++it)->u.operand;
int re0 = (++it)->u.operand;
- printf("[%4d] new_regexp\t %s, %s\n", location, registerName(exec, r0).data(), regexpName(re0, regexp(re0)).data());
+ printf("[%4d] new_regexp\t %s, ", location, registerName(exec, r0).data());
+ if (r0 >=0 && r0 < (int)numberOfRegExps())
+ printf("%s\n", regexpName(re0, regexp(re0)).data());
+ else
+ printf("bad_regexp(%d)\n", re0);
break;
}
case op_mov: {
