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| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-11-26 14:41:43 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-11-26 14:41:43 -0500 |
| commit | f5ea9817c462ab8ab8089599e64c5bfecabc2a8c (patch) | |
| tree | a32af89a905746b99fb45e8359e4b5bedad60fef | |
| parent | 67933bafd71fb3b32fcc0629e030f38709d66c36 (diff) | |
| download | gcc-f5ea9817c462ab8ab8089599e64c5bfecabc2a8c.zip gcc-f5ea9817c462ab8ab8089599e64c5bfecabc2a8c.tar.gz gcc-f5ea9817c462ab8ab8089599e64c5bfecabc2a8c.tar.bz2 | |
(trampoline): Add getpagesize and mprotect for WINNT.
From-SVN: r10605
| -rw-r--r-- | gcc/libgcc2.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 921afef..1e01e91 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1919,6 +1919,39 @@ __clear_cache (beg, end) /* Jump to a trampoline, loading the static chain address. */ +#ifdef WINNT + +long getpagesize() +{ +#ifdef _ALPHA_ + return 8192; +#else + return 4096; +#endif +} + +int mprotect(addr, len, prot) + char *addr; + int len, prot; +{ + int np, op; + + if (prot == 7) np = 0x40; + else if (prot == 5) np = 0x20; + else if (prot == 4) np = 0x10; + else if (prot == 3) np = 0x04; + else if (prot == 1) np = 0x02; + else if (prot == 0) np = 0x01; + + if (VirtualProtect (addr, len, np, &op)) + return 0; + else + return -1; + +} + +#endif + #ifdef TRANSFER_FROM_TRAMPOLINE TRANSFER_FROM_TRAMPOLINE #endif |