bytecode Questions
3
Solved
A Python module is automatically compiled into a .pyc file by CPython interpreter. The .pyc file, which contains the bytecode, is in binary format (marshaled code?). Is there a GUI (or command line...
3
Solved
Context: I've been benchmarking the difference between using invokedynamic and manually generating bytecode (this is in the context of deciding whether a compiler targeting the JVM should emit more...
Fletcher asked 5/4, 2021 at 3:33
1
Solved
Let's say we surround a few bytecode instructions with a try catch block, and the local types change in between the try catch block range (A previously local register used for an int type is now us...
2
Solved
I am studying for a Java certificate and I got a question that I know it could be really basic. However, I am not sure:
Question: Which statement is true about Java bytecode?
a) It can run on any...
4
Solved
Given a C Python frame pointer, how do I look at arbitrary evaluation stack entries? (Some specific stack entries can be found via locals(), I'm talking about other stack entries.)
I asked a broad...
Krall asked 3/6, 2017 at 16:58
1
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This image shows the pop up dialog when we create a new module from the list of module types. Here i have selected Android Library.
This image shows the pop up dialog when we create a new module fr...
Appealing asked 20/11, 2020 at 14:43
4
Solved
How is pattern matching in Scala implemented at the bytecode level?
Is it like a series of if (x instanceof Foo) constructs, or something else? What are its performance implications?
For example,...
Freezedry asked 15/4, 2009 at 23:32
3
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I'm using ASM (a bytecode modification library) and it provides access to type names in the bytecode naming format, for example a String field is reported to have the description: Ljava/lang/String...
Radices asked 22/7, 2011 at 12:50
1
I try to new a inner staic class, But I find that bytecode appear the jvm instruction ACONST_NULL bwteen NEW,DUP and INVOKE_SPECIAL,
But I know about a class new is
NEW
DUP
INVOKE_SPECIAL
package...
Droshky asked 28/9, 2020 at 2:8
1
Solved
Consider the following two programs:
unit module Comp;
say 'Hello, world!'
and
unit module Comp;
CHECK { if $*DISTRO.is-win { say 'compiling on Windows' }}
say 'Hello, world!'
Naively, I would ha...
Acred asked 26/8, 2020 at 13:18
6
Solved
I have decided to check out Emacs, and I liked it very much. Now, I'm using the Emacs Starter Kit, which sort of provides better defaults and some nice customizations to default install of Emacs.
...
3
I am looking for a translator for translate Java ByteCode to Machine Native Code before execution to improve performance.
I heard that OpenOffice is made with JAVA, but I can't see any jar f...
2
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I have one jar file in my application's class path. At run time, I add new classes to the jar file and sometimes also modify the fields/methods of the existing classes. Currently I am using URLClas...
Armipotent asked 31/1, 2013 at 9:25
3
Solved
Some time ago, I asked in Embed the existing code of a method in a try-finally block how to wrap the body of a method in a try-finally block using ASM.
The solution was to visit a label for the try...
Comprador asked 9/2, 2015 at 17:40
3
Solved
Java bytecode instruction set provides various forms of dup instruction. I'm having trouble understanding how these instructions and the swap instruction might be useful.
What java code would produ...
Wolfhound asked 20/2, 2019 at 7:49
1
Solved
I have the following code:
for (Map.Entry<String, ClassReader> e : classes.entrySet())
{
ClassReader reader = e.getValue();
ClassWriter writer = new ClassWriter(Opcodes.ASM7);
// Process...
Bentley asked 31/5, 2020 at 4:33
2
Solved
Does Python Virtual Machine require a CPU to execute the bytecode? Is the bytecode converted into the machine code and then the CPU gets involved in the process?
Galer asked 19/5, 2020 at 12:35
4
In a Maven Build, I am dynamically generating some Java types using a byte code generation library (Byte Buddy). Naturally, these class files don't have corresponding source files. Only a few class...
Immensurable asked 21/2, 2017 at 20:2
1
Solved
Is there any way to create code object from its disassembly acquired with dis.dis?
For example, I compiled some code using co = compile('print("lol")', '<string>', 'exec') and then printed d...
Wsan asked 29/6, 2019 at 12:19
1
Solved
In this trivial example, I want to factor out the i < 5 condition of a list comprehension into it's own function. I also want to eat my cake and have it too, and avoid the overhead of the CALL_F...
Noleta asked 25/8, 2019 at 17:0
6
Solved
I know that Java code is compiled into byte-code, that is executed by the JVM.
What is the case with C# ? I have noticed that applications written in C# have the .exe extension what would suggest ...
Morganmorgana asked 25/9, 2012 at 13:0
1
Solved
Ok, I'm posting this fearing that it might be closed before anyone ever reads it - I'm quite used to that - but I'll give it a try... even pointing me to the right direction or some existing answer...
Abatement asked 17/1, 2020 at 13:14
7
While in the search for the various differences in the meanings of source code, bytecode, assembly code, machine code, compilers, linkers, interpreters, assemblers and all the rest, I only got conf...
4
Solved
I wanted to know that how much easy is to decompile python byte code. I have made an application in python whose source I want to be secure. I am using py2exe which basically relies on python compi...
1
Introduction
Given two functions, foo() and foo(), the first one is standard and the second is suspendible
fun foo(x: Int): Int {
return 2*x
}
suspend fun foo(x: Int): Int {
return 4*x
}
The...
Galvanotropism asked 3/1, 2020 at 13:9
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