Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling
Reviewed-by: erikj, goetz, dholmes

Reviewed-by: dholmes, lfoltan

Summary: Add os::vsnprintf and os::snprintf.
Reviewed-by: kbarrett, lfoltan, stuefe, mlarsson

Reviewed-by: tschatzl, kvn
Contributed-by: NLeslie Zhai <lesliezhai-hotspot@llvm.org.cn>

Reviewed-by: tschatzl

Reviewed-by: dholmes

Reviewed-by: dholmes

Reviewed-by: bobv, dbuck

Summary: add missing includes
Reviewed-by: coleenp, stefank, sgehwolf, dholmes

8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Summary: Need to add a space between macro identifier and string literal
Reviewed-by: bpittore, stefank, dholmes, kbarrett

Summary: Change to use the functional version of _get_timezone for VS2017.
Reviewed-by: coleenp, hseigel
Contributed-by: kim.barrett@oracle.com, lois.foltan@oracle.com

Reviewed-by: erikj

8041623: Solaris Studio 12.4 C++ 5.13, CHECK_UNHANDLED_OOPS use of class oop's copy constructor definitions causing error level diagnostic.
Summary: Fix several minor compilation issues with volatile oops for CHECK_UNHANDLED_OOPS support.
Reviewed-by: coleenp, hseigel

Reviewed-by: dholmes

Reviewed-by: jrose, coleenp, ahgross, acorn, vlivanov

Summary: Bias compiler thread's resource area to mtCompiler
Reviewed-by: kvn, coleenp

Summary: Set UseLoopCounter ergonomically if on-stack-replacement is enabled. Print warning.
Reviewed-by: kvn

6651256: jstack: DeleteGlobalRef method call doesn't lead to descreasing of global refs count shown by jstack
Summary: jni_DeleteGlobalRef does not really release the jni handle, instead, set the handle point to JNIHandles::_deleted_handle which holds an oop instance (java/lang/Object) in Java heap and never be GC'ed. When counting number of global reference, it counts all the handles on the chain list, which includes the already deleted ones.
Reviewed-by: zgu, sla, coleenp
Contributed-by: yumin.qi@oracle.com

Reviewed-by: kvn, dholmes, bobv

Reviewed-by: kvn, dholmes, bobv

Summary: The GetOwnedMonitorInfo() should not return a pending monitor
Reviewed-by: dcubed

Summary: Fixed missing null checks on the result of CodeCache::find_blob() found by Parfait.
Reviewed-by: shade, kvn

Summary: Make appending found dead BasicHashtableEntrys to the free list atomic.
Reviewed-by: ehelin, shade

Reviewed-by: kbarrett, stefank

Reviewed-by: kbarrett, stefank

8143897: Weblogic12medrec assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true)) failed: Must be the same
Reviewed-by: kvn, mdoerr

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Summary: Add support for VM_Version::L1_data_cache_line_size().
Reviewed-by: dsimms, kvn, dholmes

Summary: Add support for VM_Version::L1_data_cache_line_size().
Reviewed-by: dsimms, kvn, dholmes

Summary: Use the Events::log function to save redefined classes for output to the hs_err file
Reviewed-by: dholmes

Summary: Applied RMs in sweep_code_cache and related codes.
Reviewed-by: kvn, thartmann

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

Summary: Use the initial active processor count for memory initialization instead of the current active one.
Reviewed-by: dholmes, mgerdin

Summary: Use the initial active processor count for memory initialization instead of the current active one.
Reviewed-by: dholmes, mgerdin

Summary: Use the initial active processor count for memory initialization instead of the current active one.
Reviewed-by: dholmes, mgerdin

Summary: Introduce and initialize active_processor_count variable in VM.
Reviewed-by: dholmes, jprovino