ExampleCommands.txt

https://lldb.llvm.org/lldb-gdb.html


1. examine registers
(gdb) info registers
(lldb) register read --all

2. examine a specific register
(gdb) print/x $eax
(lldb) register read eax
(lldb) register read --format decimal eax

3. examine memory
(gdb) x/8xw 0x80490b4
(gdb) x/8dw 0x80490b4
(lldb) x/8dw 0x2000
(lldb) memory read/4xw 0xbffff3c0
(lldb) x/4xw 0xbffff3c0

4. examine a function
(gdb) disassemble _main
(lldb) disassemble --name main

5. examine memory where a register is pointing
(gdb) x/8xw $esp
(lldb) x/8xw $esp

6. next instruction
(gdb) nexti
(lldb) nexti

7. examine a variable
(gdb) p value
(lldb) p/d value

8. examine a string (character array)
(gdb) x/14cb 0x80490a4
(lldb) memory read --size 1 --format c --count 14 0x2000

9. examine an integer array
(gdb) x/6dw 0x80490b4
(lldb) memory read --size 4 --format h --count 6 0x2014

10. examine a floating point array
(gdb) x/4f &floats
(gdb) p (double[4])vector1
(lldb) x/4f &floats

11. examine a specific element in an array
(gdb) x/f &floats+1
(lldb) x/f &floats+1

12. examine a floating point register
(gdb) print $xmm0
(gdb) p/f $xmm0.v4_float
(gdb) p/f $xmm0.v4_float[1]
(lldb) po (float __attribute__((ext_vector_type(4)))) $xmm0