Mercurial > hg > CbC > CbC_gcc
diff gcc/gthr-vxworks.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children |
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--- a/gcc/gthr-vxworks.h Sun Feb 07 18:28:00 2010 +0900 +++ b/gcc/gthr-vxworks.h Fri Feb 12 23:39:51 2010 +0900 @@ -115,17 +115,32 @@ typedef struct { -#ifndef __RTP__ +#if !defined(__RTP__) +#if defined(__PPC__) + __attribute ((aligned (__alignof (unsigned)))) +#endif volatile unsigned char busy; #endif volatile unsigned char done; +#if !defined(__RTP__) && defined(__PPC__) + /* PPC's test-and-set implementation requires a 4 byte aligned + object, of which it only sets the first byte. We use padding + here, in order to maintain some amount of backwards + compatibility. Without this padding, gthread_once objects worked + by accident because they happen to be static objects and the ppc + port automatically increased their alignment to 4 bytes. */ + unsigned char pad1; + unsigned char pad2; +#endif } __gthread_once_t; -#ifndef __RTP__ +#if defined (__RTP__) +# define __GTHREAD_ONCE_INIT { 0 } +#elif defined (__PPC__) +# define __GTHREAD_ONCE_INIT { 0, 0, 0, 0 } +#else # define __GTHREAD_ONCE_INIT { 0, 0 } -#else -# define __GTHREAD_ONCE_INIT { 0 } #endif extern int __gthread_once (__gthread_once_t *__once, void (*__func)(void));