Can gcc generate an x86 "far return"?

Michael Meissner meissner@linux.vnet.ibm.com
Mon Feb 9 19:40:00 GMT 2009


On Sat, Feb 07, 2009 at 04:36:04PM -0800, John Z. Bohach wrote:
> Is there an __attribute__ or #pragma or some other facility to get gcc 
> to generate an "lret" (opcode  0xcb as opposed to opcode 0xc3) at the 
> end of a void function?
> 
> I am able to generate my own "lret" via inline assembly, but I was 
> wondering if the compiler offered any other options?

There is no current support in the compiler for generating an LRET instruction
directly.

-- 
Michael Meissner, IBM
4 Technology Place Drive, MS 2203A, Westford, MA, 01886, USA
meissner@linux.vnet.ibm.com



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