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Merge mozilla-central to tracemonkey.

This commit is contained in:
Robert Sayre 2009-12-20 16:25:20 -05:00
Родитель 164b142e9b 7a82f7872f
Коммит 1189e52a80
29 изменённых файлов: 640 добавлений и 49 удалений
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25
content/base/test/test_classList.html
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@ -91,6 +91,24 @@ function checkModification(e, funcName, argument, expectedRes, before, after) {
}
}
function assignToClassListStrict(e) {
"use strict";
try {
e.classList = "foo";
ok(false, "assigning to classList didn't throw");
} catch (e) { }
}
function assignToClassList(e) {
try {
var expect = e.classList;
e.classList = "foo";
is(e.classList, expect, "classList should be unchanged after assignment");
} catch (e) {
ok(false, "assigning to classList threw");
}
}
function testClassList(e) {
// basic tests
@ -101,10 +119,9 @@ function testClassList(e) {
is(typeof(e.classList.add), "function", "no classList.add function");
is(typeof(e.classList.remove), "function", "no classList.remove function");
is(typeof(e.classList.toggle), "function", "no classList.toggle function");
try {
e.classList = "foo";
ok(false, "assigning to classList didn't throw");
} catch (e) { }
assignToClassListStrict(e);
assignToClassList(e);
// length attribute

8
content/media/test/seek1.js
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@ -12,13 +12,13 @@ function startTest() {
return false;
ok(!v.seeking, "seeking should default to false");
try {
v.seeking = 1;
readonly = false;
v.seeking = true;
readonly = v.seeking === false;
}
catch(e) {
readonly = true;
readonly = "threw exception: " + e;
}
ok(readonly, "seeking should be readonly");
is(readonly, true, "seeking should be readonly");
v.play();
v.currentTime=seekTime;

28
content/media/test/test_networkState.html
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@ -10,17 +10,37 @@
<video id='v1' onerror="event.stopPropagation();"></video><audio id='a1' onerror="event.stopPropagation();"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
"use strict";
var v1 = document.getElementById('v1');
var a1 = document.getElementById('a1');
var passed = true;
var passed = "truthy";
try {
v1.networkState = 0;
} catch (e) {
passed = !passed;
}
try {
a1.networkState = 0;
passed = false;
} catch(e) { }
ok(passed, "Should not be able to set networkState (readonly attribute)");
} catch (e) {
passed = !passed;
}
ok(passed === true,
"Setting networkState throws in strict mode (readonly attribute)");
</script>
<script class="testbody" type="text/javascript">
var v1 = document.getElementById('v1');
var a1 = document.getElementById('a1');
var passed = false;
var oldv1ns = v1.networkState, olda1ns = a1.networkState;
try {
v1.networkState = 0;
a1.networkState = 0;
passed = v1.networkState === oldv1ns && a1.networkState === olda1ns;
} catch (e) { }
ok(passed, "Should not be able to modify networkState (readonly attribute)");
</script>
</pre>
</body>

28
content/media/test/test_readyState.html
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@ -10,20 +10,42 @@
<video id='v1' onerror="event.stopPropagation();"></video><audio id='a1' onerror="event.stopPropagation();"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
"use strict";
var v1 = document.getElementById('v1');
var a1 = document.getElementById('a1');
var passed = true;
var passed = "truthy";
is(v1.readyState, 0);
is(a1.readyState, 0);
try {
v1.readyState = 0;
} catch (e) {
passed = !passed;
}
try {
a1.readyState = 0;
passed = false;
} catch (e) {
passed = !passed;
}
ok(passed === true,
"Setting readyState throws in strict mode (readonly attribute)");
</script>
<script class="testbody" type="text/javascript">
var v1 = document.getElementById('v1');
var a1 = document.getElementById('a1');
var passed = false;
is(v1.readyState, 0);
is(a1.readyState, 0);
try {
v1.readyState = 1;
a1.readyState = 1;
passed = v1.readyState === 0 && a1.readyState === 0;
} catch(e) { }
ok(passed, "Should not be able to set readyState (readonly attribute)");
</script>
</pre>
</body>

30
content/xbl/test/test_bug371724.xhtml
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@ -24,17 +24,35 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=371724
<script class="testbody" type="text/javascript">
/** Test for Bug 371724 **/
SimpleTest.waitForExplicitFinish();
function doe() {
var isException = false;
function checkReadOnly() {
var elt = document.getElementById('a');
var oldValue = elt.hallo;
var actual;
try {
document.getElementById('a').hallo = false;
elt.hallo = false;
actual = elt.hallo;
} catch (ex) {
isException = ex.name;
actual = "" + ex;
}
ok(isException == "TypeError", "Setting a readonly xbl property should throw a TypeError exception");
is(actual, true,
"Setting a readonly xbl property should do nothing if !strict");
checkReadOnlyStrict();
}
function checkReadOnlyStrict() {
"use strict";
var elt = document.getElementById('a');
var actual;
try {
elt.hallo = false;
actual = "should have thrown";
} catch (ex) {
actual = ex instanceof TypeError;
}
is(actual, true,
"Setting a readonly xbl property should throw a TypeError exception if strict");
SimpleTest.finish();
}
setTimeout(doe, 600);
addLoadEvent(checkReadOnly);
</script>
</pre>
</body>

2
js/src/jsapi-tests/Makefile.in
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@ -57,7 +57,9 @@ CPPSRCS = \
testPropCache.cpp \
testTrap.cpp \
testSameValue.cpp \
testSeal.cpp \
testXDR.cpp \
testSetPropertyWithNativeGetterStubSetter.cpp \
$(NULL)
DEFINES += -DEXPORT_JS_API

10
js/src/jsapi-tests/testSeal.cpp Normal file
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@ -0,0 +1,10 @@
#include "tests.h"
BEGIN_TEST(testSeal_bug535703)
{
JSObject *obj = JS_NewObject(cx, NULL, NULL, NULL);
CHECK(obj);
JS_SealObject(cx, obj, JS_TRUE); // don't crash
return true;
}
END_TEST(testSeal_bug535703)

62
js/src/jsapi-tests/testSetPropertyWithNativeGetterStubSetter.cpp Normal file
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@ -0,0 +1,62 @@
#include "tests.h"
#include "jsxdrapi.h"
static JSBool
nativeGet(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
{
*vp = INT_TO_JSVAL(17);
return JS_TRUE;
}
BEGIN_TEST(testSetPropertyWithNativeGetterStubSetter)
{
jsvalRoot vobj(cx);
JSObject *obj = JS_NewObject(cx, NULL, NULL, NULL);
CHECK(obj);
vobj = OBJECT_TO_JSVAL(obj);
CHECK(JS_DefineProperty(cx, global, "globalProp", vobj,
JS_PropertyStub, JS_PropertyStub,
JSPROP_ENUMERATE));
CHECK(JS_DefineProperty(cx, obj, "prop", JSVAL_VOID,
nativeGet, JS_PropertyStub,
JSPROP_SHARED));
EXEC("'use strict'; \n"
"var error, passed = false; \n"
"try \n"
"{ \n"
" this.globalProp.prop = 42; \n"
" throw new Error('setting property succeeded!'); \n"
"} \n"
"catch (e) \n"
"{ \n"
" error = e; \n"
" if (e instanceof TypeError) \n"
" passed = true; \n"
"} \n"
" \n"
"if (!passed) \n"
" throw error; \n");
EXEC("var error, passed = false; \n"
"try \n"
"{ \n"
" this.globalProp.prop = 42; \n"
" if (this.globalProp.prop === 17) \n"
" passed = true; \n"
" else \n"
" throw new Error('bad value after set!'); \n"
"} \n"
"catch (e) \n"
"{ \n"
" error = e; \n"
"} \n"
" \n"
"if (!passed) \n"
" throw error; \n");
return true;
}
END_TEST(testSetPropertyWithNativeGetterStubSetter)

10
js/src/jsapi.cpp
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@ -2604,6 +2604,14 @@ JS_GetGCParameterForThread(JSContext *cx, JSGCParamKey key)
#endif
}
JS_PUBLIC_API(void)
JS_FlushCaches(JSContext *cx)
{
#ifdef JS_TRACER
js_FlushJITCache(cx);
#endif
}
JS_PUBLIC_API(intN)
JS_AddExternalStringFinalizer(JSStringFinalizeOp finalizer)
{
@ -2947,6 +2955,8 @@ JS_SealObject(JSContext *cx, JSObject *obj, JSBool deep)
nslots = scope->freeslot;
for (i = 0; i != nslots; ++i) {
v = STOBJ_GET_SLOT(obj, i);
if (i == JSSLOT_PRIVATE && (obj->getClass()->flags & JSCLASS_HAS_PRIVATE))
continue;
if (JSVAL_IS_PRIMITIVE(v))
continue;
if (!JS_SealObject(cx, JSVAL_TO_OBJECT(v), deep))

9
js/src/jsapi.h
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@ -1324,6 +1324,15 @@ JS_SetGCParameterForThread(JSContext *cx, JSGCParamKey key, uint32 value);
extern JS_PUBLIC_API(uint32)
JS_GetGCParameterForThread(JSContext *cx, JSGCParamKey key);
/*
* Flush the code cache for the current thread. The operation might be
* delayed if the cache cannot be flushed currently because native
* code is currently executing.
*/
extern JS_PUBLIC_API(void)
JS_FlushCaches(JSContext *cx);
/*
* Add a finalizer for external strings created by JS_NewExternalString (see
* below) using a type-code returned from this function, and that understands

20
js/src/jsobj.cpp
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@ -4390,11 +4390,12 @@ js_NativeSet(JSContext *cx, JSObject *obj, JSScopeProperty *sprop, bool added,
} else {
/*
* Allow API consumers to create shared properties with stub setters.
* Such properties lack value storage, so setting them is like writing
* to /dev/null.
* Such properties effectively function as data descriptors which are
* not writable, so attempting to set such a property should do nothing
* or throw if we're in strict mode.
*/
if (SPROP_HAS_STUB_SETTER(sprop))
return true;
if (!(sprop->attrs & JSPROP_GETTER) && SPROP_HAS_STUB_SETTER(sprop))
return js_ReportGetterOnlyAssignment(cx);
}
sample = cx->runtime->propertyRemovals;
@ -6121,17 +6122,20 @@ js_IsCallable(JSObject *obj, JSContext *cx)
return callable;
}
void
JSBool
js_ReportGetterOnlyAssignment(JSContext *cx)
{
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
JSMSG_GETTER_ONLY, NULL);
return JS_ReportErrorFlagsAndNumber(cx,
JSREPORT_WARNING | JSREPORT_STRICT |
JSREPORT_STRICT_MODE_ERROR,
js_GetErrorMessage, NULL,
JSMSG_GETTER_ONLY);
}
JS_FRIEND_API(JSBool)
js_GetterOnlyPropertyStub(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
js_ReportGetterOnlyAssignment(cx);
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_GETTER_ONLY);
return JS_FALSE;
}

2
js/src/jsobj.h
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@ -990,7 +990,7 @@ js_ComputeFilename(JSContext *cx, JSStackFrame *caller,
extern JSBool
js_IsCallable(JSObject *obj, JSContext *cx);
void
extern JSBool
js_ReportGetterOnlyAssignment(JSContext *cx);
extern JS_FRIEND_API(JSBool)

2
js/src/jsregexp.cpp
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@ -3267,7 +3267,7 @@ class RegExpNativeCompiler {
js_FragProfiling_FragFinalizer(frag, tm);
}
)
js_ResetJIT(cx);
js_FlushJITCache(cx);
} else {
if (!guard) insertGuard(loopLabel, re_chars, re_length);
re->flags |= JSREG_NOCOMPILE;

6
js/src/jsscope.h
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@ -853,10 +853,8 @@ JSScopeProperty::set(JSContext* cx, JSObject* obj, jsval* vp)
return js_InternalGetOrSet(cx, obj, id, fval, JSACC_WRITE, 1, vp, vp);
}
if (attrs & JSPROP_GETTER) {
js_ReportGetterOnlyAssignment(cx);
return false;
}
if (attrs & JSPROP_GETTER)
return !!js_ReportGetterOnlyAssignment(cx);
/* See the comment in JSScopeProperty::get as to why we can check for With. */
if (STOBJ_GET_CLASS(obj) == &js_WithClass)

6
js/src/jstracer.cpp
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@ -2293,6 +2293,12 @@ ResetJIT(JSContext* cx, TraceVisFlushReason r)
#define ResetJIT(cx, r) ResetJITImpl(cx)
#endif
void
js_FlushJITCache(JSContext *cx)
{
ResetJIT(cx, FR_OOM);
}
static void
TrashTree(JSContext* cx, TreeFragment* f);

2
js/src/jstracer.h
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@ -1479,7 +1479,7 @@ extern bool
js_OverfullJITCache(JSTraceMonitor* tm);
extern void
js_ResetJIT(JSContext* cx);
js_FlushJITCache(JSContext* cx);
extern void
js_PurgeJITOracle();

1
js/src/tests/ecma_5/Object/browser.js
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@ -0,0 +1 @@

111
js/src/tests/ecma_5/Types/8.12.5-01.js Normal file
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@ -0,0 +1,111 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor:
* Jason Orendorff
* Jeff Walden <jwalden+code@mit.edu>
*/
var gTestfile = "template.js";
//-----------------------------------------------------------------------------
var BUGNUMBER = 523846;
var summary =
"Assignments to a property that has a getter but not a setter should not " +
"throw a TypeError per ES5 (at least not until strict mode is supported)";
var actual = "Early failure";
var expect = "No errors";
printBugNumber(BUGNUMBER);
printStatus(summary);
var o = { get p() { return "a"; } };
function test1()
{
o.p = "b";
assertEq(o.p, "a");
}
function test2()
{
function T() {}
T.prototype = o;
y = new T();
y.p = "b";
assertEq(y.p, "a");
}
function strictTest1()
{
"use strict";
o.p = "b"; // strict-mode violation here
assertEq(o.p, "a");
}
function strictTest2()
{
"use strict";
function T() {}
T.prototype = o;
y = new T;
y.p = "b"; // strict-mode violation here
assertEq(y.p, "a");
}
var errors = [];
try
{
try
{
test1();
}
catch (e)
{
errors.push(e);
}
try
{
test2();
}
catch (e)
{
errors.push(e);
}
try
{
strictTest1();
errors.push("strictTest1 didn't fail");
}
catch (e)
{
if (!(e instanceof TypeError))
errors.push("strictTest1 didn't fail with a TypeError: " + e);
}
try
{
strictTest2();
errors.push("strictTest2 didn't fail");
}
catch (e)
{
if (!(e instanceof TypeError))
errors.push("strictTest2 didn't fail with a TypeError: " + e);
}
}
catch (e)
{
errors.push("Unexpected error: " + e);
}
finally
{
actual = errors.length > 0 ? errors.join(", ") : "No errors";
}
reportCompare(expect, actual, summary);

1
js/src/tests/ecma_5/Types/browser.js Normal file
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@ -0,0 +1 @@

2
js/src/tests/ecma_5/Types/jstests.list Normal file
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@ -0,0 +1,2 @@
url-prefix ../../jsreftest.html?test=ecma_5/Types/
script 8.12.5-01.js

1
js/src/tests/ecma_5/Types/shell.js Normal file
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@ -0,0 +1 @@
gTestsubsuite='Types';

98
js/src/tests/ecma_5/extensions/8.12.5-01.js Normal file
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@ -0,0 +1,98 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor:
* Jason Orendorff
* Jeff Walden <jwalden+code@mit.edu>
*/
var gTestfile = "template.js";
//-----------------------------------------------------------------------------
var BUGNUMBER = 523846;
var summary =
"Assignments to a property that has a getter but not a setter should not " +
"throw a TypeError per ES5 (at least not until strict mode is supported)";
var actual = "Early failure";
var expect = "No errors";
printBugNumber(BUGNUMBER);
printStatus(summary);
var o = { get p() { return "a"; } };
function test1()
{
o.p = "b"; // strict-mode violation here
assertEq(o.p, "a");
}
function test2()
{
function T() {}
T.prototype = o;
y = new T();
y.p = "b"; // strict-mode violation here
assertEq(y.p, "a");
}
var errors = [];
try
{
try
{
test1();
}
catch (e)
{
errors.push(e);
}
try
{
test2();
}
catch (e)
{
errors.push(e);
}
options("strict");
options("werror");
try
{
test1();
errors.push("strict+werror didn't make test1 fail");
}
catch (e)
{
if (!(e instanceof TypeError))
errors.push("test1 with strict+werror failed without a TypeError: " + e);
}
try
{
test2();
errors.push("strict+werror didn't make test2 fail");
}
catch (e)
{
if (!(e instanceof TypeError))
errors.push("test2 with strict+werror failed without a TypeError: " + e);
}
options("strict");
options("werror");
}
catch (e)
{
errors.push("Unexpected error: " + e);
}
finally
{
actual = errors.length > 0 ? errors.join(", ") : "No errors";
}
reportCompare(expect, actual, summary);

1
js/src/tests/ecma_5/extensions/browser.js Normal file
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@ -0,0 +1 @@

2
js/src/tests/ecma_5/extensions/jstests.list Normal file
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@ -0,0 +1,2 @@
url-prefix ../../jsreftest.html?test=ecma_5/extensions/
script 8.12.5-01.js

1
js/src/tests/ecma_5/extensions/shell.js Normal file
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@ -0,0 +1 @@
gTestsubsuite='extensions';

5
toolkit/xre/Makefile.in
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@ -67,6 +67,7 @@ CPPSRCS = \
nsXREDirProvider.cpp \
nsNativeAppSupportBase.cpp \
nsAppData.cpp \
nsSigHandlers.cpp \
$(NULL)
ifdef MOZ_SPLASHSCREEN
@ -120,10 +121,6 @@ ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)
CMMSRCS += MacApplicationDelegate.mm
endif
ifneq (,$(filter-out OS2 WINNT,$(OS_ARCH)))
CPPSRCS += nsSigHandlers.cpp
endif
SHARED_LIBRARY_LIBS += ../profile/src/$(LIB_PREFIX)profile_s.$(LIB_SUFFIX)
ifdef MOZ_ENABLE_XREMOTE

8
toolkit/xre/nsAppRunner.cpp
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@ -239,9 +239,7 @@ protected:
};
#endif
#if defined(XP_UNIX) || defined(XP_BEOS)
extern void InstallUnixSignalHandlers(const char *ProgramName);
#endif
extern void InstallSignalHandlers(const char *ProgramName);
#define FILE_COMPATIBILITY_INFO NS_LITERAL_CSTRING("compatibility.ini")
@ -2678,9 +2676,7 @@ XRE_main(int argc, char* argv[], const nsXREAppData* aAppData)
#endif
#endif
#if defined(XP_UNIX) || defined(XP_BEOS)
InstallUnixSignalHandlers(argv[0]);
#endif
InstallSignalHandlers(argv[0]);
#ifdef MOZ_ACCESSIBILITY_ATK
// Reset GTK_MODULES, strip atk-bridge if exists

136
toolkit/xre/nsSigHandlers.cpp
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@ -42,6 +42,10 @@
* platforms that do not support it.
*/
#include "nsSigHandlers.h"
#ifdef XP_UNIX
#include <signal.h>
#include <stdio.h>
#include <string.h>
@ -55,6 +59,7 @@
#include <sys/resource.h>
#include <unistd.h>
#include <stdlib.h> // atoi
#include <ucontext.h>
#endif
#if defined(SOLARIS)
@ -204,7 +209,53 @@ my_glib_log_func(const gchar *log_domain, GLogLevelFlags log_level,
#endif
void InstallUnixSignalHandlers(const char *ProgramName)
static void fpehandler(int signum, siginfo_t *si, void *context)
{
#ifdef XP_MACOSX
ucontext_t *uc = (ucontext_t *)context;
#if defined(__i386__) || defined(__amd64__)
_STRUCT_FP_CONTROL *ctrl = &uc->uc_mcontext->__fs.__fpu_fcw;
ctrl->__invalid = ctrl->__denorm = ctrl->__zdiv = ctrl->__ovrfl = ctrl->__undfl = ctrl->__precis = 1;
_STRUCT_FP_STATUS *status = &uc->uc_mcontext->__fs.__fpu_fsw;
status->__invalid = status->__denorm = status->__zdiv = status->__ovrfl = status->__undfl =
status->__precis = status->__stkflt = status->__errsumm = 0;
__uint32_t *mxcsr = &uc->uc_mcontext->__fs.__fpu_mxcsr;
*mxcsr |= SSE_EXCEPTION_MASK; /* disable all SSE exceptions */
*mxcsr &= ~SSE_STATUS_FLAGS; /* clear all pending SSE exceptions */
#endif
#endif
#ifdef LINUX
ucontext_t *uc = (ucontext_t *)context;
#if defined(__i386__)
/*
* It seems that we have no access to mxcsr on Linux. libc
* seems to be translating cw/sw to mxcsr.
*/
unsigned long int *cw = &uc->uc_mcontext.fpregs->cw;
*cw |= FPU_EXCEPTION_MASK;
unsigned long int *sw = &uc->uc_mcontext.fpregs->sw;
*sw &= ~FPU_STATUS_FLAGS;
#endif
#if defined(__amd64__)
__uint16_t *cw = &uc->uc_mcontext.fpregs->cwd;
*cw |= FPU_EXCEPTION_MASK;
__uint16_t *sw = &uc->uc_mcontext.fpregs->swd;
*sw &= ~FPU_STATUS_FLAGS;
__uint32_t *mxcsr = &uc->uc_mcontext.fpregs->mxcsr;
*mxcsr |= SSE_EXCEPTION_MASK; /* disable all SSE exceptions */
*mxcsr &= ~SSE_STATUS_FLAGS; /* clear all pending SSE exceptions */
#endif
#endif
}
void InstallSignalHandlers(const char *ProgramName)
{
PL_strncpy(_progname,ProgramName, (sizeof(_progname)-1) );
@ -226,15 +277,19 @@ void InstallUnixSignalHandlers(const char *ProgramName)
signal(SIGSEGV, abnormal_exit_handler);
signal(SIGILL, abnormal_exit_handler);
signal(SIGABRT, abnormal_exit_handler);
signal(SIGFPE, abnormal_exit_handler);
#elif defined(CRAWL_STACK_ON_SIGSEGV)
signal(SIGSEGV, ah_crap_handler);
signal(SIGILL, ah_crap_handler);
signal(SIGABRT, ah_crap_handler);
signal(SIGFPE, ah_crap_handler);
#endif // CRAWL_STACK_ON_SIGSEGV
/* Install a handler for floating point exceptions and disable them if they occur. */
struct sigaction sa, osa;
sa.sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
sa.sa_sigaction = fpehandler;
sigaction(SIGFPE, &sa, &osa);
#if defined(DEBUG) && defined(LINUX)
const char *memLimit = PR_GetEnv("MOZ_MEM_LIMIT");
if (memLimit && *memLimit)
@ -289,3 +344,78 @@ void InstallUnixSignalHandlers(const char *ProgramName)
}
#endif
}
#elif XP_WIN
#include <windows.h>
#ifdef _M_IX86
/*
* WinNT.h prior to SDK7 does not expose the structure of the ExtendedRegisters for ia86.
* We known that MxCsr is at offset 0x18 and is a DWORD.
*/
#define MXCSR(ctx) (*(DWORD *)(((BYTE *)(ctx)->ExtendedRegisters) + 0x18))
#endif
#ifdef _M_X64
#define MXCSR(ctx) (ctx)->MxCsr
#endif
#if defined(_M_IA32) || define(_M_X64)
#define X87CW(ctx) (ctx)->FloatSave.ControlWord
#define X87SW(ctx) (ctx)->FloatSave.StatusWord
/*
* SSE traps raise these exception codes, which are defined in internal NT headers
* but not winbase.h
*/
#define STATUS_FLOAT_MULTIPLE_FAULTS 0xC00002B4
#define STATUS_FLOAT_MULTIPLE_TRAPS 0xC00002B5
LONG __stdcall FpeHandler(PEXCEPTION_POINTERS pe)
{
PEXCEPTION_RECORD e = (PEXCEPTION_RECORD)pe->ExceptionRecord;
CONTEXT *c = (CONTEXT*)pe->ContextRecord;
switch (e->ExceptionCode) {
case STATUS_FLOAT_DENORMAL_OPERAND:
case STATUS_FLOAT_DIVIDE_BY_ZERO:
case STATUS_FLOAT_INEXACT_RESULT:
case STATUS_FLOAT_INVALID_OPERATION:
case STATUS_FLOAT_OVERFLOW:
case STATUS_FLOAT_STACK_CHECK:
case STATUS_FLOAT_UNDERFLOW:
case STATUS_FLOAT_MULTIPLE_FAULTS:
case STATUS_FLOAT_MULTIPLE_TRAPS:
X87CW(c) |= FPU_EXCEPTION_MASK; /* disable all FPU exceptions */
X86SW(c) &= ~FPU_STATUS_FLAGS; /* clear all pending FPU exceptions */
#ifdef _M_IA32
if (c->ContextFlags & CONTEXT_EXTENDED_REGISTERS) {
#endif
MXCSR(c) |= SSE_EXCEPTION_MASK; /* disable all SSE exceptions */
MXCSR(c) &= ~SSE_STATUS_FLAGS; /* clear all pending SSE exceptions */
#ifdef _M_IA32
}
#endif
return EXCEPTION_CONTINUE_EXECUTION;
}
return EXCEPTION_CONTINUE_SEARCH;
}
void InstallSignalHandlers(const char *ProgramName)
{
SetUnhandledExceptionFilter(FpeHandler);
}
#else
void InstallSignalHandlers(const char *ProgramName)
{
}
#endif
#else
#error No signal handling implementation for this platform.
#endif

72
toolkit/xre/nsSigHandlers.h Normal file
Просмотреть файл

@ -0,0 +1,72 @@
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corp
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Andreas Gal <gal@uci.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#if defined(_M_IA32) || defined(_M_X86) || defined(__i386__) || defined(__amd64__)
/*
* x87 FPU Control Word:
*
* 0 -> IM Invalid Operation
* 1 -> DM Denormalized Operand
* 2 -> ZM Zero Divide
* 3 -> OM Overflow
* 4 -> UM Underflow
* 5 -> PM Precision
*/
#define FPU_EXCEPTION_MASK 0x3f
/*
* x86 FPU Status Word:
*
* 0..5 -> Exception flags (see x86 FPU Control Word)
* 6 -> SF Stack Fault
* 7 -> ES Error Summary Status
*/
#define FPU_STATUS_FLAGS 0xff
/*
* MXCSR Control and Status Register:
*
* 0..5 -> Exception flags (see x86 FPU Control Word)
* 6 -> DAZ Denormals Are Zero
* 7..12 -> Exception mask (see x86 FPU Control Word)
*/
#define SSE_STATUS_FLAGS FPU_EXCEPTION_MASK
#define SSE_EXCEPTION_MASK (FPU_EXCEPTION_MASK << 7)
#endif