* __asm__
@ 2005-03-28 4:44 Ankit Jain
2005-03-30 5:29 ` __asm__ Daniel Souza
0 siblings, 1 reply; 2+ messages in thread
From: Ankit Jain @ 2005-03-28 4:44 UTC (permalink / raw)
To: linux-assembly
can anybody tell me when we write like this while
writing asm construct then what does underscore mean?
__asm__("construct")
does it have any connection wit volatile?
thanks
ankit
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: __asm__
2005-03-28 4:44 __asm__ Ankit Jain
@ 2005-03-30 5:29 ` Daniel Souza
0 siblings, 0 replies; 2+ messages in thread
From: Daniel Souza @ 2005-03-30 5:29 UTC (permalink / raw)
To: Ankit Jain; +Cc: linux-assembly
Yes, it means that the compiler will consider the asm instructions as
literal, and they will not be changed by compiler (either
instructions, optimization or bytecodes orders)
--
# (perl -e "while (1) { print "\x90"; }") | dd of=/dev/evil
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