Java example source code file (Test8009761.java)
The Test8009761.java Java example source code
/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8009761
* @summary Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
* @run main/othervm -XX:CompileCommand=exclude,Test8009761::m2 -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -Xss256K Test8009761
*
*/
public class Test8009761 {
static class UnloadedClass {
volatile int i;
}
static Object m1(boolean deopt) {
// When running interpreted, on sparc, the caller's stack is
// extended for the locals and the caller's frame is restored
// on return.
long l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12,
l13, l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24,
l25, l26, l27, l28, l29, l30, l31, l32, l33, l34, l35, l36,
l37, l38, l39, l40, l41, l42, l43, l44, l45, l46, l47, l48,
l49, l50, l51, l52, l53, l54, l55, l56, l57, l58, l59, l60,
l61, l62, l63, l64, l65, l66, l67, l68, l69, l70, l71, l72,
l73, l74, l75, l76, l77, l78, l79, l80, l81, l82, l83, l84,
l85, l86, l87, l88, l89, l90, l91, l92, l93, l94, l95, l96,
l97, l98, l99, l100, l101, l102, l103, l104, l105, l106, l107,
l108, l109, l110, l111, l112, l113, l114, l115, l116, l117,
l118, l119, l120, l121, l122, l123, l124, l125, l126, l127,
l128, l129, l130, l131, l132, l133, l134, l135, l136, l137,
l138, l139, l140, l141, l142, l143, l144, l145, l146, l147,
l148, l149, l150, l151, l152, l153, l154, l155, l156, l157,
l158, l159, l160, l161, l162, l163, l164, l165, l166, l167,
l168, l169, l170, l171, l172, l173, l174, l175, l176, l177,
l178, l179, l180, l181, l182, l183, l184, l185, l186, l187,
l188, l189, l190, l191, l192, l193, l194, l195, l196, l197,
l198, l199, l200, l201, l202, l203, l204, l205, l206, l207,
l208, l209, l210, l211, l212, l213, l214, l215, l216, l217,
l218, l219, l220, l221, l222, l223, l224, l225, l226, l227,
l228, l229, l230, l231, l232, l233, l234, l235, l236, l237,
l238, l239, l240, l241, l242, l243, l244, l245, l246, l247,
l248, l249, l250, l251, l252, l253, l254, l255, l256, l257,
l258, l259, l260, l261, l262, l263, l264, l265, l266, l267,
l268, l269, l270, l271, l272, l273, l274, l275, l276, l277,
l278, l279, l280, l281, l282, l283, l284, l285, l286, l287,
l288, l289, l290, l291, l292, l293, l294, l295, l296, l297,
l298, l299, l300, l301, l302, l303, l304, l305, l306, l307,
l308, l309, l310, l311, l312, l313, l314, l315, l316, l317,
l318, l319, l320, l321, l322, l323, l324, l325, l326, l327,
l328, l329, l330, l331, l332, l333, l334, l335, l336, l337,
l338, l339, l340, l341, l342, l343, l344, l345, l346, l347,
l348, l349, l350, l351, l352, l353, l354, l355, l356, l357,
l358, l359, l360, l361, l362, l363, l364, l365, l366, l367,
l368, l369, l370, l371, l372, l373, l374, l375, l376, l377,
l378, l379, l380, l381, l382, l383, l384, l385, l386, l387,
l388, l389, l390, l391, l392, l393, l394, l395, l396, l397,
l398, l399, l400, l401, l402, l403, l404, l405, l406, l407,
l408, l409, l410, l411, l412, l413, l414, l415, l416, l417,
l418, l419, l420, l421, l422, l423, l424, l425, l426, l427,
l428, l429, l430, l431, l432, l433, l434, l435, l436, l437,
l438, l439, l440, l441, l442, l443, l444, l445, l446, l447,
l448, l449, l450, l451, l452, l453, l454, l455, l456, l457,
l458, l459, l460, l461, l462, l463, l464, l465, l466, l467,
l468, l469, l470, l471, l472, l473, l474, l475, l476, l477,
l478, l479, l480, l481, l482, l483, l484, l485, l486, l487,
l488, l489, l490, l491, l492, l493, l494, l495, l496, l497,
l498, l499, l500, l501, l502, l503, l504, l505, l506, l507,
l508, l509, l510, l511;
long ll0, ll1, ll2, ll3, ll4, ll5, ll6, ll7, ll8, ll9, ll10, ll11, ll12,
ll13, ll14, ll15, ll16, ll17, ll18, ll19, ll20, ll21, ll22, ll23, ll24,
ll25, ll26, ll27, ll28, ll29, ll30, ll31, ll32, ll33, ll34, ll35, ll36,
ll37, ll38, ll39, ll40, ll41, ll42, ll43, ll44, ll45, ll46, ll47, ll48,
ll49, ll50, ll51, ll52, ll53, ll54, ll55, ll56, ll57, ll58, ll59, ll60,
ll61, ll62, ll63, ll64, ll65, ll66, ll67, ll68, ll69, ll70, ll71, ll72,
ll73, ll74, ll75, ll76, ll77, ll78, ll79, ll80, ll81, ll82, ll83, ll84,
ll85, ll86, ll87, ll88, ll89, ll90, ll91, ll92, ll93, ll94, ll95, ll96,
ll97, ll98, ll99, ll100, ll101, ll102, ll103, ll104, ll105, ll106, ll107,
ll108, ll109, ll110, ll111, ll112, ll113, ll114, ll115, ll116, ll117,
ll118, ll119, ll120, ll121, ll122, ll123, ll124, ll125, ll126, ll127,
ll128, ll129, ll130, ll131, ll132, ll133, ll134, ll135, ll136, ll137,
ll138, ll139, ll140, ll141, ll142, ll143, ll144, ll145, ll146, ll147,
ll148, ll149, ll150, ll151, ll152, ll153, ll154, ll155, ll156, ll157,
ll158, ll159, ll160, ll161, ll162, ll163, ll164, ll165, ll166, ll167,
ll168, ll169, ll170, ll171, ll172, ll173, ll174, ll175, ll176, ll177,
ll178, ll179, ll180, ll181, ll182, ll183, ll184, ll185, ll186, ll187,
ll188, ll189, ll190, ll191, ll192, ll193, ll194, ll195, ll196, ll197,
ll198, ll199, ll200, ll201, ll202, ll203, ll204, ll205, ll206, ll207,
ll208, ll209, ll210, ll211, ll212, ll213, ll214, ll215, ll216, ll217,
ll218, ll219, ll220, ll221, ll222, ll223, ll224, ll225, ll226, ll227,
ll228, ll229, ll230, ll231, ll232, ll233, ll234, ll235, ll236, ll237,
ll238, ll239, ll240, ll241, ll242, ll243, ll244, ll245, ll246, ll247,
ll248, ll249, ll250, ll251, ll252, ll253, ll254, ll255, ll256, ll257,
ll258, ll259, ll260, ll261, ll262, ll263, ll264, ll265, ll266, ll267,
ll268, ll269, ll270, ll271, ll272, ll273, ll274, ll275, ll276, ll277,
ll278, ll279, ll280, ll281, ll282, ll283, ll284, ll285, ll286, ll287,
ll288, ll289, ll290, ll291, ll292, ll293, ll294, ll295, ll296, ll297,
ll298, ll299, ll300, ll301, ll302, ll303, ll304, ll305, ll306, ll307,
ll308, ll309, ll310, ll311, ll312, ll313, ll314, ll315, ll316, ll317,
ll318, ll319, ll320, ll321, ll322, ll323, ll324, ll325, ll326, ll327,
ll328, ll329, ll330, ll331, ll332, ll333, ll334, ll335, ll336, ll337,
ll338, ll339, ll340, ll341, ll342, ll343, ll344, ll345, ll346, ll347,
ll348, ll349, ll350, ll351, ll352, ll353, ll354, ll355, ll356, ll357,
ll358, ll359, ll360, ll361, ll362, ll363, ll364, ll365, ll366, ll367,
ll368, ll369, ll370, ll371, ll372, ll373, ll374, ll375, ll376, ll377,
ll378, ll379, ll380, ll381, ll382, ll383, ll384, ll385, ll386, ll387,
ll388, ll389, ll390, ll391, ll392, ll393, ll394, ll395, ll396, ll397,
ll398, ll399, ll400, ll401, ll402, ll403, ll404, ll405, ll406, ll407,
ll408, ll409, ll410, ll411, ll412, ll413, ll414, ll415, ll416, ll417,
ll418, ll419, ll420, ll421, ll422, ll423, ll424, ll425, ll426, ll427,
ll428, ll429, ll430, ll431, ll432, ll433, ll434, ll435, ll436, ll437,
ll438, ll439, ll440, ll441, ll442, ll443, ll444, ll445, ll446, ll447,
ll448, ll449, ll450, ll451, ll452, ll453, ll454, ll455, ll456, ll457,
ll458, ll459, ll460, ll461, ll462, ll463, ll464, ll465, ll466, ll467,
ll468, ll469, ll470, ll471, ll472, ll473, ll474, ll475, ll476, ll477,
ll478, ll479, ll480, ll481, ll482, ll483, ll484, ll485, ll486, ll487,
ll488, ll489, ll490, ll491, ll492, ll493, ll494, ll495, ll496, ll497,
ll498, ll499, ll500, ll501, ll502, ll503, ll504, ll505, ll506, ll507,
ll508, ll509, ll510, ll511;
if (deopt) {
UnloadedClass res = new UnloadedClass(); // sufficient to force deopt with c2 but not c1
res.i = 0; // forces deopt with c1
return res;
}
return null;
}
static int count = 0;
static void m2() {
// Will be called recursively until a stack overflow
// exception. Makes sure it has a lot of locals so that it's
// not called a sufficient number of times to trigger
// compilation.
long l0, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11, l12,
l13, l14, l15, l16, l17, l18, l19, l20, l21, l22, l23, l24,
l25, l26, l27, l28, l29, l30, l31, l32, l33, l34, l35, l36,
l37, l38, l39, l40, l41, l42, l43, l44, l45, l46, l47, l48,
l49, l50, l51, l52, l53, l54, l55, l56, l57, l58, l59, l60,
l61, l62, l63, l64, l65, l66, l67, l68, l69, l70, l71, l72,
l73, l74, l75, l76, l77, l78, l79, l80, l81, l82, l83, l84,
l85, l86, l87, l88, l89, l90, l91, l92, l93, l94, l95, l96,
l97, l98, l99, l100, l101, l102, l103, l104, l105, l106, l107,
l108, l109, l110, l111, l112, l113, l114, l115, l116, l117,
l118, l119, l120, l121, l122, l123, l124, l125, l126, l127,
l128, l129, l130, l131, l132, l133, l134, l135, l136, l137,
l138, l139, l140, l141, l142, l143, l144, l145, l146, l147,
l148, l149, l150, l151, l152, l153, l154, l155, l156, l157,
l158, l159, l160, l161, l162, l163, l164, l165, l166, l167,
l168, l169, l170, l171, l172, l173, l174, l175, l176, l177,
l178, l179, l180, l181, l182, l183, l184, l185, l186, l187,
l188, l189, l190, l191, l192, l193, l194, l195, l196, l197,
l198, l199, l200, l201, l202, l203, l204, l205, l206, l207,
l208, l209, l210, l211, l212, l213, l214, l215, l216, l217,
l218, l219, l220, l221, l222, l223, l224, l225, l226, l227,
l228, l229, l230, l231, l232, l233, l234, l235, l236, l237,
l238, l239, l240, l241, l242, l243, l244, l245, l246, l247,
l248, l249, l250, l251, l252, l253, l254, l255, l256, l257,
l258, l259, l260, l261, l262, l263, l264, l265, l266, l267,
l268, l269, l270, l271, l272, l273, l274, l275, l276, l277,
l278, l279, l280, l281, l282, l283, l284, l285, l286, l287,
l288, l289, l290, l291, l292, l293, l294, l295, l296, l297,
l298, l299, l300, l301, l302, l303, l304, l305, l306, l307,
l308, l309, l310, l311, l312, l313, l314, l315, l316, l317,
l318, l319, l320, l321, l322, l323, l324, l325, l326, l327,
l328, l329, l330, l331, l332, l333, l334, l335, l336, l337,
l338, l339, l340, l341, l342, l343, l344, l345, l346, l347,
l348, l349, l350, l351, l352, l353, l354, l355, l356, l357,
l358, l359, l360, l361, l362, l363, l364, l365, l366, l367,
l368, l369, l370, l371, l372, l373, l374, l375, l376, l377,
l378, l379, l380, l381, l382, l383, l384, l385, l386, l387,
l388, l389, l390, l391, l392, l393, l394, l395, l396, l397,
l398, l399, l400, l401, l402, l403, l404, l405, l406, l407,
l408, l409, l410, l411, l412, l413, l414, l415, l416, l417,
l418, l419, l420, l421, l422, l423, l424, l425, l426, l427,
l428, l429, l430, l431, l432, l433, l434, l435, l436, l437,
l438, l439, l440, l441, l442, l443, l444, l445, l446, l447,
l448, l449, l450, l451, l452, l453, l454, l455, l456, l457,
l458, l459, l460, l461, l462, l463, l464, l465, l466, l467,
l468, l469, l470, l471, l472, l473, l474, l475, l476, l477,
l478, l479, l480, l481, l482, l483, l484, l485, l486, l487,
l488, l489, l490, l491, l492, l493, l494, l495, l496, l497,
l498, l499, l500, l501, l502, l503, l504, l505, l506, l507,
l508, l509, l510, l511;
count++;
m2();
}
static Object m3(boolean overflow_stack, boolean deopt) {
if (overflow_stack) {
m2();
return null;
}
Object o = m1(deopt);
if (deopt) {
m2();
}
return o;
}
static public void main(String[] args) {
int c1;
// Call m2 from m3 recursively until stack overflow. Count the number of recursive calls.
try {
m3(true, false);
} catch(StackOverflowError soe) {
}
c1 = count;
// Force the compilation of m3() that will inline m1()
for (int i = 0; i < 20000; i++) {
m3(false, false);
}
count = 0;
// Force deoptimization of m3() in m1(), then return from m1()
// to m3(), call recursively m2(). If deoptimization correctly
// built the interpreter stack for m3()/m1() then we should be
// able to call m2() recursively as many times as before.
try {
m3(false, true);
} catch(StackOverflowError soe) {
}
if (c1 != count) {
System.out.println("Failed: init recursive calls: " + c1 + ". After deopt " + count);
System.exit(97);
} else {
System.out.println("PASSED " + c1);
}
}
}
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