Mercurial > hg > graal-compiler
diff src/os/solaris/vm/os_solaris.cpp @ 477:24fda36852ce
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.
Reviewed-by: acorn, jcoomes
author | coleenp |
---|---|
date | Wed, 10 Dec 2008 15:14:29 -0800 |
parents | 85f1b9537f70 |
children | 8a25d96bcf08 |
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--- a/src/os/solaris/vm/os_solaris.cpp Tue Dec 09 09:55:39 2008 -0500 +++ b/src/os/solaris/vm/os_solaris.cpp Wed Dec 10 15:14:29 2008 -0800 @@ -3026,6 +3026,8 @@ // Protect memory (Used to pass readonly pages through // JNI GetArray<type>Elements with empty arrays.) +// Also, used for serialization page and for compressed oops null pointer +// checking. bool os::protect_memory(char* addr, size_t bytes, ProtType prot, bool is_committed) { unsigned int p = 0; @@ -3049,7 +3051,7 @@ } bool os::unguard_memory(char* addr, size_t bytes) { - return solaris_mprotect(addr, bytes, PROT_READ|PROT_WRITE|PROT_EXEC); + return solaris_mprotect(addr, bytes, PROT_READ|PROT_WRITE); } // Large page support