segment .main error (format MZ)

Index > Compiler Internals > segment .main error (format MZ)

Author

Thread

Dasn

Joined: 22 Nov 2004
Posts: 11

Dasn

Hello, guys.
If I use a segment name starts with a DOT, like '.main' with the 'segment' directive in 'format MZ', fasm throw me an error.

For example, the following code generates an error.

Code:

format MZ
entry .main:start

segment .text 
x       db      0xff

segment .main
start:
mov     ax, x

Quote:

entry .main:start
error: undefined symbol '.main'.

Yes, when I remove the DOT, say use the name as 'main' or whatever not starts with a dot, the error is gone; Also, I found that if I exchange the positions of the two segments (i.e. move the segment '.main' before the segment '.text'), the error is gone too.

Thanks if you comment. Smile

22 Aug 2009, 08:46

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 18844
Location: In your JS exploiting you and your system

revolution

Labels beginning with a dot are local labels and the name is attached to the end of any preceding non-local label. In the case above the previous non-local label is "x" and .main is attached to make x.main

Code:

format MZ
entry x.main:start

segment .text
x       db      0xff

segment .main
start:
mov     ax, x

22 Aug 2009, 09:27

Dasn

Joined: 22 Nov 2004
Posts: 11

Dasn

revolution wrote:

Labels beginning with a dot are local labels and the name is attached to the end of any preceding non-local label. In the case above the previous non-local label is "x" and .main is attached to make x.main
Code:
format MZ
entry x.main:start

segment .text
x       db      0xff

segment .main
start:
mov     ax, x    

Thanks for your quick reponse, I get it now. Smile

22 Aug 2009, 13:45

< Last Thread | Next Thread >

Forum Rules:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum