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