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comparison src/os/linux/vm/os_linux.cpp @ 477:24fda36852ce

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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 9656bebe85a7 2328d1d3f8cf
comparison
equal deleted inserted replaced
473:3ad2b8576c4a 477:24fda36852ce
2498 bool os::guard_memory(char* addr, size_t size) { 2498 bool os::guard_memory(char* addr, size_t size) {
2499 return linux_mprotect(addr, size, PROT_NONE); 2499 return linux_mprotect(addr, size, PROT_NONE);
2500 } 2500 }
2501 2501
2502 bool os::unguard_memory(char* addr, size_t size) { 2502 bool os::unguard_memory(char* addr, size_t size) {
2503 return linux_mprotect(addr, size, PROT_READ|PROT_WRITE|PROT_EXEC); 2503 return linux_mprotect(addr, size, PROT_READ|PROT_WRITE);
2504 } 2504 }
2505 2505
2506 // Large page support 2506 // Large page support
2507 2507
2508 static size_t _large_page_size = 0; 2508 static size_t _large_page_size = 0;