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fix stack effect value of xaload opcode

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金戟
2021-06-11 17:25:38 +08:00
parent b949f57d54
commit e812aa6126
1 changed files with 17 additions and 16 deletions
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33
testable-agent/src/main/java/com/alibaba/testable/agent/util/BytecodeUtil.java
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@@ -23,6 +23,7 @@ public class BytecodeUtil {
/**
* refer to https://en.wikipedia.org/wiki/Java_bytecode_instruction_listings
* positive for push stack, negative for pop stack
*/
private static Map<Integer, Integer> bytecodeStackEffect = new HashMap<Integer, Integer>() {{
put(NOP, 0);
@@ -49,27 +50,27 @@ public class BytecodeUtil {
put(FLOAD, 1);
put(DLOAD, 1);
put(ALOAD, 1);
put(IALOAD, 1);
put(LALOAD, 1);
put(FALOAD, 1);
put(DALOAD, 1);
put(AALOAD, 1);
put(BALOAD, 1);
put(CALOAD, 1);
put(SALOAD, 1);
put(IALOAD, -1); // array operation eat 2 more stacks
put(LALOAD, -1); // array operation eat 2 more stacks
put(FALOAD, -1); // array operation eat 2 more stacks
put(DALOAD, -1); // array operation eat 2 more stacks
put(AALOAD, -1); // array operation eat 2 more stacks
put(BALOAD, -1); // array operation eat 2 more stacks
put(CALOAD, -1); // array operation eat 2 more stacks
put(SALOAD, -1); // array operation eat 2 more stacks
put(ISTORE, -1);
put(LSTORE, -1);
put(FSTORE, -1);
put(DSTORE, -1);
put(ASTORE, -1);
put(IASTORE, -3);
put(LASTORE, -3);
put(FASTORE, -3);
put(DASTORE, -3);
put(AASTORE, -3);
put(BASTORE, -3);
put(CASTORE, -3);
put(SASTORE, -3);
put(IASTORE, -3); // array operation eat 2 more stacks
put(LASTORE, -3); // array operation eat 2 more stacks
put(FASTORE, -3); // array operation eat 2 more stacks
put(DASTORE, -3); // array operation eat 2 more stacks
put(AASTORE, -3); // array operation eat 2 more stacks
put(BASTORE, -3); // array operation eat 2 more stacks
put(CASTORE, -3); // array operation eat 2 more stacks
put(SASTORE, -3); // array operation eat 2 more stacks
put(POP, -1);
put(POP2, -2);
put(DUP, 1);