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This commit is contained in:
Antonios Printezis 2008-08-21 23:36:31 -04:00
commit 615777b6da
2482 changed files with 117959 additions and 31338 deletions
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15
hotspot/src/share/vm/runtime/os.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -205,7 +205,11 @@ class os: AllStatic {
static bool commit_memory(char* addr, size_t size, size_t alignment_hint);
static bool uncommit_memory(char* addr, size_t bytes);
static bool release_memory(char* addr, size_t bytes);
static bool protect_memory(char* addr, size_t bytes);
enum ProtType { MEM_PROT_NONE, MEM_PROT_READ, MEM_PROT_RW, MEM_PROT_RWX };
static bool protect_memory(char* addr, size_t bytes, ProtType prot,
bool is_committed = false);
static bool guard_memory(char* addr, size_t bytes);
static bool unguard_memory(char* addr, size_t bytes);
static char* map_memory(int fd, const char* file_name, size_t file_offset,
@ -398,6 +402,10 @@ class os: AllStatic {
static const char* get_temp_directory();
static const char* get_current_directory(char *buf, int buflen);
// Builds a platform-specific full library path given a ld path and lib name
static void dll_build_name(char* buffer, size_t size,
const char* pathname, const char* fname);
// Symbol lookup, find nearest function name; basically it implements
// dladdr() for all platforms. Name of the nearest function is copied
// to buf. Distance from its base address is returned as offset.
@ -421,6 +429,9 @@ class os: AllStatic {
// same architecture as Hotspot is running on
static void* dll_load(const char *name, char *ebuf, int ebuflen);
// lookup symbol in a shared library
static void* dll_lookup(void* handle, const char* name);
// Print out system information; they are called by fatal error handler.
// Output format may be different on different platforms.
static void print_os_info(outputStream* st);