diff options
Diffstat (limited to 'libs/elfio/elf_examples/asm64.lst')
| -rw-r--r-- | libs/elfio/elf_examples/asm64.lst | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libs/elfio/elf_examples/asm64.lst b/libs/elfio/elf_examples/asm64.lst new file mode 100644 index 0000000..aa1fd64 --- /dev/null +++ b/libs/elfio/elf_examples/asm64.lst @@ -0,0 +1,23 @@ + 1 ; nasm -f elf hello.asm # this will produce hello.o ELF object file + 2 ; ld -s -o hello hello.o # this will produce hello executable + 3 + 4 section .text + 5 global _start ;must be declared for linker (ld) + 6 + 7 _start: ;tell linker entry point + 8 + 9 00000000 BA0E000000 mov edx,len ;message length + 10 00000005 B9[00000000] mov ecx,msg ;message to write + 11 0000000A BB01000000 mov ebx,1 ;file descriptor (stdout) + 12 0000000F B804000000 mov eax,4 ;system call number (sys_write) + 13 00000014 CD80 int 0x80 ;call kernel + 14 + 15 00000016 B801000000 mov eax,1 ;system call number (sys_exit) + 16 0000001B CD80 int 0x80 ;call kernel + 17 + 18 section .data + 19 + 20 00000000 48656C6C6F2C20776F- msg db 'Hello, world!',0xa ;our dear string + 21 00000009 726C64210A + 22 len equ $ - msg ;length of our dear string + 23 |
