在GDB中获取地址和硬币
我在ASM（NASM）中有一个程序，我想获得一个地址，但在我用GDB调试时发生了一些奇怪的错误（我键入了“next”，程序退出）。GDB中有一些bug吗 test.asm在GDB中获取地址和硬币,gdb,Gdb,我在ASM（NASM）中有一个程序，我想获得一个地址，但在我用GDB调试时发生了一些奇怪的错误（我键入了“next”，程序退出）。GDB中有一些bug吗 test.asm BITS 32 section .text global _start _start: call function mov eax,0x41414141 function: # esi get the address of "mov eax,0x41414141" pop esi # Exit xor eax,ea
BITS 32
section .text
global _start
_start:
call function
mov eax,0x41414141
function:
# esi get the address of "mov eax,0x41414141"
pop esi
# Exit
xor eax,eax
xor ebx,ebx
mov al,0x01
int 0x80
$ nasm -f elf test.asm
$ ld test.o -o test
$ gdb -q ./test
Reading symbols from /root/Desktop/test...(no debugging symbols found)...done.
(gdb) info functions
All defined functions:
Non-debugging symbols:
0x08048060 _start
0x0804806a function
(gdb) b function
Breakpoint 1 at 0x804806a
(gdb) run # Execute _start
Starting program: /root/Desktop/test
Breakpoint 1, 0x0804806a in function ()
(gdb) # We're going to execute "pop esi" now
(gdb) next # Execute only 1 instruction
Single stepping until exit from function function,
which has no line number information.
[Inferior 1 (process 26492) exited normally]
# WHY EXIT? We was going to execute "pop esi" !!