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8023033: PPC64 (part 13): basic changes for AIX

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Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.).

Reviewed-by: kvn, dholmes, stefank
This commit is contained in:
Goetz Lindenmaier 2013-08-22 09:39:54 -07:00
parent a72b868ac2
commit fac7ee02c5
51 changed files with 182 additions and 22 deletions
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7
hotspot/src/share/vm/memory/universe.cpp
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@ -747,7 +747,7 @@ char* Universe::preferred_heap_base(size_t heap_size, NARROW_OOP_MODE mode) {
// the correct no-access prefix.
// The final value will be set in initialize_heap() below.
Universe::set_narrow_oop_base((address)NarrowOopHeapMax);
#ifdef _WIN64
#if defined(_WIN64) || defined(AIX)
if (UseLargePages) {
// Cannot allocate guard pages for implicit checks in indexed
// addressing mode when large pages are specified on windows.
@ -825,6 +825,11 @@ jint Universe::initialize_heap() {
// Can't reserve heap below 32Gb.
// keep the Universe::narrow_oop_base() set in Universe::reserve_heap()
Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes);
#ifdef AIX
// There is no protected page before the heap. This assures all oops
// are decoded so that NULL is preserved, so this page will not be accessed.
Universe::set_narrow_oop_use_implicit_null_checks(false);
#endif
if (verbose) {
tty->print(", %s: "PTR_FORMAT,
narrow_oop_mode_to_string(HeapBasedNarrowOop),