WebKit/Source/JavaScriptCore/assembler/MacroAssembler.cpp at main · WebKit/WebKit · GitHub

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* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "config.h"

#include "MacroAssembler.h"

#if ENABLE(ASSEMBLER)

#include "JSCPtrTag.h"

#include "Options.h"

#include "ProbeContext.h"

#include <wtf/PrintStream.h>

#include <wtf/ScopedLambda.h>

#include <wtf/TZoneMallocInlines.h>

namespace JSC {

void MacroAssembler::jitAssert(const ScopedLambda<Jump(void)>& functor)

{

if (Options::useJITDebugAssertions()) {

Jump passed = functor();

breakpoint();

passed.link(this);

}

static void SYSV_ABI stdFunctionCallback(Probe::Context& context)

{

auto func = context.arg<const Function<void(Probe::Context&)>*>();

(*func)(context);

}

void MacroAssembler::probeDebug(Function<void(Probe::Context&)> func)

{

probe(tagCFunction<JITProbePtrTag>(stdFunctionCallback), new Function<void(Probe::Context&)>(WTF::move(func)));

}

} // namespace JSC

namespace WTF {

using namespace JSC;

void printInternal(PrintStream& out, MacroAssembler::RelationalCondition cond)

{

switch (cond) {

case MacroAssembler::Equal:

out.print("Equal");

return;

case MacroAssembler::NotEqual:

out.print("NotEqual");

return;

case MacroAssembler::Above:

out.print("Above");

return;

case MacroAssembler::AboveOrEqual:

out.print("AboveOrEqual");

return;

case MacroAssembler::Below:

out.print("Below");

return;

case MacroAssembler::BelowOrEqual:

out.print("BelowOrEqual");

return;

case MacroAssembler::GreaterThan:

out.print("GreaterThan");

return;

case MacroAssembler::GreaterThanOrEqual:

out.print("GreaterThanOrEqual");

return;

case MacroAssembler::LessThan:

out.print("LessThan");

return;

case MacroAssembler::LessThanOrEqual:

out.print("LessThanOrEqual");

return;

}

RELEASE_ASSERT_NOT_REACHED();

}

void printInternal(PrintStream& out, MacroAssembler::ResultCondition cond)

{

switch (cond) {

case MacroAssembler::Carry:

out.print("Carry");

return;

case MacroAssembler::Overflow:

out.print("Overflow");

return;

case MacroAssembler::Signed:

out.print("Signed");

return;

case MacroAssembler::PositiveOrZero:

out.print("PositiveOrZero");

return;

case MacroAssembler::Zero:

out.print("Zero");

return;

case MacroAssembler::NonZero:

out.print("NonZero");

return;

}

RELEASE_ASSERT_NOT_REACHED();

}

void printInternal(PrintStream& out, MacroAssembler::DoubleCondition cond)

{

switch (cond) {

case MacroAssembler::DoubleEqualAndOrdered:

out.print("DoubleEqualAndOrdered");

return;

case MacroAssembler::DoubleNotEqualAndOrdered:

out.print("DoubleNotEqualAndOrdered");

return;

case MacroAssembler::DoubleGreaterThanAndOrdered:

out.print("DoubleGreaterThanAndOrdered");

return;

case MacroAssembler::DoubleGreaterThanOrEqualAndOrdered:

out.print("DoubleGreaterThanOrEqualAndOrdered");

return;

case MacroAssembler::DoubleLessThanAndOrdered:

out.print("DoubleLessThanAndOrdered");

return;

case MacroAssembler::DoubleLessThanOrEqualAndOrdered:

out.print("DoubleLessThanOrEqualAndOrdered");

return;

case MacroAssembler::DoubleEqualOrUnordered:

out.print("DoubleEqualOrUnordered");

return;

case MacroAssembler::DoubleNotEqualOrUnordered:

out.print("DoubleNotEqualOrUnordered");

return;

case MacroAssembler::DoubleGreaterThanOrUnordered:

out.print("DoubleGreaterThanOrUnordered");

return;

case MacroAssembler::DoubleGreaterThanOrEqualOrUnordered:

out.print("DoubleGreaterThanOrEqualOrUnordered");

return;

case MacroAssembler::DoubleLessThanOrUnordered:

out.print("DoubleLessThanOrUnordered");

return;

case MacroAssembler::DoubleLessThanOrEqualOrUnordered:

out.print("DoubleLessThanOrEqualOrUnordered");

return;

}

RELEASE_ASSERT_NOT_REACHED();

}

} // namespace WTF

#endif // ENABLE(ASSEMBLER)

WebKit/Source/JavaScriptCore/assembler/MacroAssembler.cpp at main · WebKit/WebKit · GitHub

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