objdump is a program for displaying various information about object files. For instance, it can be used as a disassembler to view executable in assembly form. It is part of the GNU Binutils for fine-grained control over executable and other binary data.
Questions tagged [objdump]
477 questions
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To print Output of a program in a formatted version
I want to run objdump -d [sample] command in my program and then I want to shows the output of it in a formated version. For example I want to show its output with one tab in each line of its output. How can I do that?
cmd1 = "objdump -d "
name =…
user7995295
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1 answer
How to eliminate middle column fast from objdump command output?
I have a problem when cut information dumped out from an executable file in linux. The information is as follows:
08048060 <__bss_start-0x100a>:
8048060: 31 db xor %ebx,%ebx
8048062: 53 push %ebx
…
Anvh
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What do these instructions mean? (Disassembly)
I almost sure ebp+0x8 points to a string (the program actually asks thru a prompt for it, but I am not sure where it's stored). What's the general idea of the lines? Why add 1 to the 32-bit portion of ebp+8?
mov eax,DWORD PTR [ebp+0x8]
movzx …
j1nma
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combination of objdump and gdb
It is about reverse engineering in linux: if I have a .c file and I compile it with gdb all it's fine. But how can I obtain the same result starting from an executable file?
I tried objdump -M intel -D file to disassemble but then I would like to…
StackUser
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which c code will gets changed to rlwinm power PC assembly instruciton
which c code will gets changed to rlwinm power PC assembly instruciton??
This is the snapshot of objdump..
if(!pool || pool->maxPoolSize > SEQ_MODULUS ) /* Invalid mask or pointer is null */
29ccc: 41 82 00 dc beq- 29da8…
user2185454
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Why does powerpc need this additional fluff to make a raw machine code function work?
I'm working on a simple JIT compiler for PowerPC, I followed the examples in https://github.com/spencertipping/jit-tutorial to get a hang of how to work with it.
The problem is that the identity function in the second example "jitproto.c" can't…
nioroso
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C++ objdump use and disassembly
On a linux server, the command would be
$ objdump -t exercise11 > symbol_table.txt
The intention is to find the memory address and size (in bytes) for the three global variables in a program.
The second portion is equivalent to
$ objdump -S…
Ralph Maurmeier
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Using objump above the C program, need to copy from it
I would like to ask you guys for a help. I need to use objdump command on a C-code file, disassemble it and print out names (anywhere, preferably on the stdout) of the functions (and their dependency on others) in it (in format of "caller =>…
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What does a branch target like a2f mean in objdump disassembly?
0000000000000a24 :
a24: 83 fe 0c cmp $0xc,%esi
a27: 74 06 je a2f
a29: b8 00 00 00 00 mov $0x0,%eax
a2e: c3 retq
a2f: 80 7f 0b 48 …
Martin Tran
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Compiling C to 32-bit assembly with GCC doesn't match a book
I have been trying to compile this C program to assembly but it hasn't been working fine.
I am reading
Dennis Yurichev Reverse Engineering for Beginner but I am not getting the same output. Its a simple hello world statement. I am trying to get the…
opobtdfs
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can some help understand this objdump of c
08048544 :
8048544: 55 push %ebp
8048545: 89 e5 mov %esp,%ebp
8048547: 83 ec 38 sub $0x38,%esp
804854a: 8b 45 0c mov 0xc(%ebp),%eax
…
Arihcg Jar
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How to find object code of c++ file
I want check what is object code of .cpp file .For example file is
File is : lib_mylib.cpp
int fun() { return 2;}
int fun1(void) { return 2;}
int fun2(void) { return 2;}
I want to check object code for this file lib_mylib.cpp .I want to…
TechEnthusiast
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