git://sourceware.org / newlib-cygwin.git / blame
| Commit | Line | Data |
|---|---|---|
| 4d029f39 CF |
1 | #include_next "winbase.h" |
| 2 | ||
| 6bda8def CF |
3 | #ifdef EXPCGF |
| 4 | #define DECLARE_TLS_STORAGE char **tls[4096] __attribute__ ((unused)) | |
| 5 | #else | |
| 6 | #define DECLARE_TLS_STORAGE do {} while (0) | |
| 7 | #define _WINBASE2_H | |
| 8 | #endif | |
| 9 | ||
| 4d029f39 CF |
10 | #ifndef _WINBASE2_H |
| 11 | #define _WINBASE2_H | |
| 12 | ||
| 13 | extern __inline__ long ilockincr (long *m) | |
| 14 | { | |
| 15 | register int __res; | |
| 16 | __asm__ __volatile__ ("\n\ | |
| 17 | movl $1,%0\n\ | |
| 18 | lock xadd %0,(%1)\n\ | |
| 19 | inc %0\n\ | |
| 20 | ": "=a" (__res), "=r" (m): "1" (m)); | |
| 21 | return __res; | |
| 22 | } | |
| 23 | extern __inline__ long ilockdecr (long *m) | |
| 24 | { | |
| 25 | register int __res; | |
| 26 | __asm__ __volatile__ ("\n\ | |
| 27 | movl $0xffffffff,%0\n\ | |
| 28 | lock xadd %0,(%1)\n\ | |
| 29 | dec %0\n\ | |
| 30 | ": "=a" (__res), "=r" (m): "1" (m)); | |
| 31 | return __res; | |
| 32 | } | |
| 33 | extern __inline__ long ilockexch (long *t, long v) | |
| 34 | { | |
| 35 | register int __res; | |
| 36 | __asm__ __volatile__ ("\n\ | |
| 37 | movl (%2),%0\n\ | |
| 38 | 1: lock cmpxchgl %3,(%1)\n\ | |
| 39 | jne 1b\n\ | |
| 40 | ": "=a" (__res), "=c" (t): "1" (t), "d" (v)); | |
| 41 | return __res; | |
| 42 | } | |
| 43 | ||
| 44 | #undef InterlockedIncrement | |
| 45 | #define InterlockedIncrement ilockincr | |
| 46 | #undef InterlockedDecrement | |
| 47 | #define InterlockedDecrement ilockdecr | |
| 48 | #undef InterlockedExchange | |
| 49 | #define InterlockedExchange ilockexch | |
| 50 | ||
| 51 | extern long tls_ix; | |
| 1cf0d851 | 52 | extern char * volatile *__stackbase __asm__ ("%fs:4"); |
| 4d029f39 CF |
53 | |
| 54 | extern __inline__ DWORD | |
| 55 | my_tlsalloc () | |
| 56 | { | |
| 1cf0d851 CF |
57 | DWORD n = ilockdecr (&tls_ix); |
| 58 | __stackbase[tls_ix] = NULL; | |
| 59 | return n; | |
| 4d029f39 CF |
60 | } |
| 61 | ||
| 62 | extern __inline__ BOOL | |
| 63 | my_tlssetvalue (DWORD ix, void *val) | |
| 64 | { | |
| 1cf0d851 | 65 | __stackbase[ix] = (char *) val; |
| 4d029f39 CF |
66 | return 1; |
| 67 | } | |
| 68 | ||
| 69 | extern __inline__ void * | |
| 70 | my_tlsgetvalue (DWORD ix) | |
| 71 | { | |
| 1cf0d851 | 72 | return __stackbase[ix]; |
| 4d029f39 CF |
73 | } |
| 74 | ||
| 75 | extern __inline__ BOOL | |
| 76 | my_tlsfree (DWORD ix) | |
| 77 | { | |
| 78 | /* nothing for now */ | |
| 79 | return 1; | |
| 80 | } | |
| 81 | ||
| 82 | #undef TlsAlloc | |
| 83 | #define TlsAlloc my_tlsalloc | |
| 84 | #undef TlsGetValue | |
| 85 | #define TlsGetValue my_tlsgetvalue | |
| 86 | #undef TlsSetValue | |
| 87 | #define TlsSetValue my_tlssetvalue | |
| 88 | #undef TlsFree | |
| 89 | #define TlsFree my_tlsfree | |
| 90 | #endif /*_WINBASE2_H*/ |