A simple toy to perform a useful task.
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include \masm32\include64\masm64rt.inc
.data
prclen dq glbl1 - glbl0 ; static calculate procedure length
ofile db "filename.bin", 0 ; output file name string
pfile dq ofile ; pointer to output file name string
.code
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entry_point proc
LOCAL bwrt :QWORD ; bytes written variable
lea rax, glbl0 ; load address of 1st global label
mov bwrt, savefile(pfile,rax,prclen) ; write proc to disk at calculated length
conout pfile," written to disk at ", \
str$(bwrt)," bytes",lf ; display result
waitkey ; pause so you can see result
.exit ; close app
entry_point endp
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NOSTACKFRAME
getbin proc
glbl0::
; -------------------------------
mov r11, rsi ; preserve rsi and rdi
mov r10, rdi
mov rsi, rcx ; source address in rcx
mov rdi, rdx ; destination address in rdx
mov rcx, r8 ; byte count to copy in r8
rep movsb
mov rsi, r11 ; restore rsi and rdi
mov rdi, r10
ret
; -------------------------------
glbl1::
getbin endp
STACKFRAME
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; This is the above procedure converted from saved binary to hex notation
;
; NOSTACKFRAME
;
; bcopy proc
;
; db 04Ch,08Bh,0DEh,04Ch,08Bh,0D7h,048h,08Bh,0F1h,048h,08Bh,0FAh,049h,08Bh,0C8h,0F3h
; db 0A4h,049h,08Bh,0F3h,049h,08Bh,0FAh,0C3h
;
; bcopy endp
;
; STACKFRAME
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end
