mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-12-27 09:29:06 +08:00
54 lines
1.3 KiB
NASM
54 lines
1.3 KiB
NASM
|
;; program to test RDOFF production and linkage
|
||
|
|
|
||
|
|
;; items to test include:
|
||
|
|
;; [1] relocation within the same segment in each module
|
||
|
|
;; [2] relocation to different segments in same module
|
||
|
|
;; [3] relocation to same segment in different module
|
||
|
|
;; [4] relocation to different segment in different module
|
||
|
|
;; [5] relative relocation to same module
|
||
|
|
;; [6] relative relocation to different module
|
||
|
|
;; [7] correct generation of BSS addresses
|
||
|
|
|
||
|
|
[SECTION .text]
|
||
|
|
[BITS 32]
|
||
|
|
|
||
|
|
_main:
|
||
|
|
mov ax,localdata ; [2] (16 bit) => 66 b8 0000
|
||
|
|
mov eax,localdata2 ; [2] (32 bit) => b8 0000000a
|
||
|
|
|
||
|
|
[EXTERN _fardata]
|
||
|
|
|
||
|
|
mov eax,[_fardata] ; [4] => a1 00000000 (+20)
|
||
|
|
mov cx,next ; [1] => 66 b9 0012
|
||
|
|
next:
|
||
|
|
call localproc ; [5] => e8 00000019
|
||
|
|
|
||
|
|
[EXTERN _farproc]
|
||
|
|
mov eax,_farproc ; [3] => b8 00000000 (+40+0)
|
||
|
|
call _farproc ; [6] => e8 -$ (-0+40+0) (=1f)
|
||
|
|
|
||
|
|
mov eax,localbss ; [7] => b8 00000000
|
||
|
|
|
||
|
|
[GLOBAL _term]
|
||
|
|
_term: xor ax,ax ; => 66 31 c0
|
||
|
|
int 21h ; => cd 21
|
||
|
|
jmp _term ; => e9 -0a (=fffffff6)
|
||
|
|
|
||
|
|
localproc:
|
||
|
|
ret ; => c3
|
||
|
|
|
||
|
|
[GLOBAL _test1proc]
|
||
|
|
_test1proc:
|
||
|
|
call localproc ; [5] => e8 -$ (-0+0+?) (=-6=fffffffa)
|
||
|
|
ret ; => c3
|
||
|
|
|
||
|
|
[SECTION .data]
|
||
|
|
[GLOBAL localdata2]
|
||
|
|
localdata: db 'localdata',0
|
||
|
|
localdata2: db 'localdata2',0
|
||
|
|
farref: dd _fardata ; [3] => 0 (+20)
|
||
|
|
localref: dd _main ; [2] => 0 (+0)
|
||
|
|
|
||
|
|
[SECTION .bss]
|
||
|
|
localbss: resw 4 ; reserve 8 bytes BSS
|
||
|
|
|