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arm: build fixes

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Get p9p to build cleanly for ARM - based on suggestions from rsc and eekee, plus a final tweak from me.  Tested (a bit) on sheevaplug (ubuntu jaunty), Nokia N800 (maemo 4) and Nokia N900 (maemo 5).

R=rsc
CC=plan9port.codebot
http://codereview.appspot.com/4524056
This commit is contained in:
Richard Miller 2011-05-18 13:20:56 -04:00 • committed by Russ Cox
parent c1f950fc32
commit 9cf92718e9
5 changed files with 25 additions and 20 deletions
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8
src/libthread/threadimpl.h
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@ -73,10 +73,10 @@ but surely the latter would be defined(__sparc__).
*/
#if defined(__arm__)
int mygetmcontext(mcontext_t*);
void mysetmcontext(const mcontext_t*);
#define setcontext(u) mysetmcontext(&(u)->uc_mcontext)
#define getcontext(u) mygetmcontext(&(u)->uc_mcontext)
int mygetmcontext(ulong*);
void mysetmcontext(const ulong*);
#define setcontext(u) mysetmcontext(&(u)->uc_mcontext.arm_r0)
#define getcontext(u) mygetmcontext(&(u)->uc_mcontext.arm_r0)
#endif