Contents
How does the disassemble command in gdb work?
Specifies the function to disassemble. If specified, the disassemble command will produce the disassembly output of the entire function. Specifies the address inside a function to disassemble.
How to set a breakpoint at the entry point in gdb?
Given a position-independent, statically-linked, stripped binary, there does not appear to be a way in GDB to set a breakpoint at the entry point without disabling ASLR. Without patching the binary, what mechanism can I use to break at the first instruction executed?
How to define GDB function to break on first argument?
You can define gdb function to break on first argument of libc_star_main. The first si/ni is to load libc itself. Put it in your .gdbinit file. Just stumbled across this and thought I would add a bit.
What is the breakpoint for the disassemble command?
Breakpoint 1 at 0x8048400: file test.c, line 8. End of assembler dump. End of assembler dump. End of assembler dump. End of assembler dump. End of assembler dump. End of assembler dump. End of assembler dump. If you try using the disassemble command to disassemble code outside any known function, it will fail. Instead use the x/i command.
How to disassemble one single function using objdump?
1. Commandline Based This method works perfectly and additional a simple one. I use objdump with the -d flag and pipe it through awk. The disassembled output looks like To start with, I begin with the description of the objdump output. A section or function is separated by an empty line.
Where to find disassemble command in Visual Studio?
It is recommended to use the Debug->Windows->Disassembly window in Visual Studio instead of using the disassemble command explicitly. VisualGDB will issue the disassemble command automatically, parse its output and display it in a user-friendly way.
Is it possible to disassemble one function in Elf?
There is a 2010 thread on the mailing list which says it is not possible: https://sourceware.org/ml/binutils/2010-04/msg00445.html Besides the gdb workaround proposed by Tom, they also comment on another (worse) workaround of compiling with -ffunction-section which puts one function per section and then dumping the section.