From: martijnm.bos@gmail.com   
      
   All,   
   It has been 30+ years since I played around with some assembly.   
   Just for learning purposes I'm doing some more playing :-)   
      
   First some information :   
   The system I'm on:   
   [martijn@fedora asm]$ uname -a   
   Linux fedora 6.2.15-100.fc36.x86_64 #1 SMP PREEMPT_DYNAMIC Thu May 11 16:51:53   
   UTC 2023 x86_64 x86_64 x86_64 GNU/Linux   
   [martijn@fedora asm]$   
      
   Then for completeness also the program (for this particular problem I do not   
   think it's that relevant :-) ):   
   [martijn@fedora asm]$ cat een.asm   
   section .data   
      
   section .text   
      
   global _start   
      
   _start:   
           mov al, 1       ; mov 1 into the al register   
           add al, 1       ; add one to the al register   
      
           mov rax, 60     ; syscall for exit   
           mov rdi, 0      ; Return code   
           syscall   
   [martijn@fedora asm]$   
      
      
   Then I compile, link and run the progrm:   
   [martijn@fedora asm]$ nasm -f elf64 -gdwarf een.asm   
   [martijn@fedora asm]$ ld -m elf_x86_64 -o een een.o   
   [martijn@fedora asm]$ ./een   
   [martijn@fedora asm]$   
      
   So far so good (I think):   
      
   But I want to see what is actually happening, so I want to see it in my   
   debugger :   
      
   [martijn@fedora asm]$ gdb een   
   GNU gdb (GDB) Fedora 12.1-2.fc36   
   ....   
   ....   
   For help, type "help".   
   Type "apropos word" to search for commands related to "word"...   
   Reading symbols from een...   
   (gdb) list   
   1       section .data   
   2   
   3       section .text   
   4   
   5       global _start   
   6   
   7       _start:   
   8               mov al, 1       ; mov 1 into the al register   
   9   
   10              add al, 1       ; add one to the al register   
   (gdb) break 8   
   No line 8 in the current file.   
   Make breakpoint pending on future shared library load? (y or [n]) n   
   (gdb)   
      
      
   As you can see I can not set a breakpoint. And that's my problem.   
   Whitout breakpoints I can not step through my program.   
      
   Does anyone have any pointers/tips/trics on how to resolve this issue.   
      
   (I know myself...I probably oversee the obvious...do not hesitate to point   
   that out)   
      
   Best Regards,   
   Martijn Bos   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)