Error with mov qword [r8],'interfac'

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Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 27 Nov 2020, 11:35

Code:

mov  r8,TxtOut
mov  qword [r8],'interfac'

Fasm get errro value out of range.

If not write qword fasm get error size not specifed.

27 Nov 2020, 11:35

Roman

Joined: 21 Apr 2012
Posts: 1847

Roman 27 Nov 2020, 11:36

Code:

mov  r8,TxtOut
mov  rax,'interfac'
mov  qword [r8],rax

This compiled ok

27 Nov 2020, 11:36

MaoKo

Joined: 07 May 2019
Posts: 100
Location: Paris/French

MaoKo 27 Nov 2020, 13:38

You cannot directly move height byte from immediate to memory.

27 Nov 2020, 13:38

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20451
Location: In your JS exploiting you and your system

revolution 27 Nov 2020, 13:44

Yes. What MaoKo says is correct. It is a CPU restriction. Only MOV can be used for immediate constants greater than 32-bits.

27 Nov 2020, 13:44

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