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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2013-02-20 18:24:30 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2013-02-20 18:24:30 +0000 |
| commit | 0464565baee4b9a1b660aafb70778db571730edc (patch) | |
| tree | c1ac0d3fbdd0fcd5990d541b85abf5ebfc6cd320 /lib/Support/Unix/Memory.inc | |
| parent | d983d4c6ed5ef69ca2d2e07350cc346245f35b87 (diff) | |
| download | llvm-0464565baee4b9a1b660aafb70778db571730edc.tar.gz llvm-0464565baee4b9a1b660aafb70778db571730edc.tar.bz2 llvm-0464565baee4b9a1b660aafb70778db571730edc.tar.xz | |
On PowerPC, the cache-flush instructions dcbf and icbi are treated as
loads. On FreeBSD, add PROT_READ page protection flag before flushing
cache.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175646 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/Unix/Memory.inc')
| -rw-r--r-- | lib/Support/Unix/Memory.inc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Support/Unix/Memory.inc b/lib/Support/Unix/Memory.inc index 40d6b3fefd..a66e3c7aee 100644 --- a/lib/Support/Unix/Memory.inc +++ b/lib/Support/Unix/Memory.inc @@ -51,7 +51,11 @@ int getPosixProtectionFlags(unsigned Flags) { llvm::sys::Memory::MF_EXEC: return PROT_READ | PROT_WRITE | PROT_EXEC; case llvm::sys::Memory::MF_EXEC: +#if defined(__FreeBSD__) + return PROT_READ | PROT_EXEC; +#else return PROT_EXEC; +#endif default: llvm_unreachable("Illegal memory protection flag specified!"); } |