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6953477: Increase portability and flexibility of building Hotspot

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A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.

Reviewed-by: phh, never, coleenp, dholmes
This commit is contained in:
Bob Vandette 2010-08-03 08:13:38 -04:00
parent c45761e2a8
commit b95c7e9523
113 changed files with 1669 additions and 559 deletions
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20
hotspot/src/share/vm/runtime/os.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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
@ -78,8 +78,10 @@ class os: AllStatic {
}
public:
static void init(void); // Called before command line parsing
static jint init_2(void); // Called after command line parsing
static void init(void); // Called before command line parsing
static jint init_2(void); // Called after command line parsing
static void init_3(void); // Called at the end of vm init
// File names are case-insensitive on windows only
// Override me as needed
@ -322,7 +324,8 @@ class os: AllStatic {
pgc_thread, // Parallel GC thread
java_thread,
compiler_thread,
watcher_thread
watcher_thread,
os_thread
};
static bool create_thread(Thread* thread,
@ -451,6 +454,8 @@ class os: AllStatic {
static void print_signal_handlers(outputStream* st, char* buf, size_t buflen);
static void print_date_and_time(outputStream* st);
static void print_location(outputStream* st, intptr_t x, bool print_pc = false);
// The following two functions are used by fatal error handler to trace
// native (C) frames. They are not part of frame.hpp/frame.cpp because
// frame.hpp/cpp assume thread is JavaThread, and also because different
@ -480,6 +485,9 @@ class os: AllStatic {
// Fills in path to jvm.dll/libjvm.so (this info used to find hpi).
static void jvm_path(char *buf, jint buflen);
// Returns true if we are running in a headless jre.
static bool is_headless_jre();
// JNI names
static void print_jni_name_prefix_on(outputStream* st, int args_size);
static void print_jni_name_suffix_on(outputStream* st, int args_size);
@ -580,8 +588,8 @@ class os: AllStatic {
// Platform dependent stuff
#include "incls/_os_pd.hpp.incl"
// debugging support (mostly used by debug.cpp)
static bool find(address pc) PRODUCT_RETURN0; // OS specific function to make sense out of an address
// debugging support (mostly used by debug.cpp but also fatal error handler)
static bool find(address pc, outputStream* st = tty); // OS specific function to make sense out of an address
static bool dont_yield(); // when true, JVM_Yield() is nop
static void print_statistics();