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Article #123getting value of B02 from C
From: Luigi Semenzato
Date: Thu, 27 Aug 1992 00:32
Date: Thu, 27 Aug 1992 00:32
26 lines
1049 bytes
1049 bytes
Easy question:
What's the easiest way of getting the address of the
current stack frame from a C procedure?
One rather unreliable way is the following:
f()
{
int x[1];
int *frame = x - 12;
...
}
The 12 could be a different number and needs to be
hand-tuned every time the body of f changes. Bleah.
It would be nice to do it with a call to an assembly
language routine. But it's not trivial, because there
could be a call to the stack overflow handler between
f and the assembly language routine.
Can it be done using inline assembly with `asm'?
And if yes, how?
My eternal gratitude in advance. --Luigi
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Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!agate!paris.CS.Berkeley.EDU!luigi From: luigi@paris.CS.Berkeley.EDU (Luigi Semenzato) Newsgroups: comp.unix.cray Subject: getting value of B02 from C Date: 27 Aug 1992 00:32:50 GMT Organization: University of California, Berkeley Lines: 26 Distribution: world Message-ID: <17h7riINNdki@agate.berkeley.edu> NNTP-Posting-Host: paris.cs.berkeley.edu