src/os_cpu/aix_ppc/vm/os_aix_ppc.cpp

rev 7507 : 8066964: ppc64: argument and return type profiling, fix problem with popframe

@@ -89,12 +89,13 @@
 // Calculate and store the limits of the memory stack.
 void os::initialize_thread(Thread *thread) { }
 
 // Frame information (pc, sp, fp) retrieved via ucontext
 // always looks like a C-frame according to the frame
-// conventions in frame_ppc64.hpp.
-address os::Aix::ucontext_get_pc(ucontext_t * uc) {
+// conventions in frame_ppc.hpp.
+
+address os::Aix::ucontext_get_pc(const ucontext_t * uc) {
   return (address)uc->uc_mcontext.jmp_context.iar;
 }
 
 intptr_t* os::Aix::ucontext_get_sp(ucontext_t * uc) {
   // gpr1 holds the stack pointer on aix

@@ -484,11 +485,11 @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // thread stack
 
-size_t os::Aix::min_stack_allowed = 768*K;
+size_t os::Aix::min_stack_allowed = 128*K;
 
 // Aix is always in floating stack mode. The stack size for a new
 // thread can be set via pthread_attr_setstacksize().
 bool os::Aix::supports_variable_stack_size() { return true; }
 

@@ -497,11 +498,11 @@
   // default stack size (compiler thread needs larger stack)
   // Notice that the setting for compiler threads here have no impact
   // because of the strange 'fallback logic' in os::create_thread().
   // Better set CompilerThreadStackSize in globals_<os_cpu>.hpp if you want to
   // specify a different stack size for compiler threads!
-  size_t s = (thr_type == os::compiler_thread ? 4 * M : 1024 * K);
+  size_t s = (thr_type == os::compiler_thread ? 4 * M : 1 * M);
   return s;
 }
 
 size_t os::Aix::default_guard_size(os::ThreadType thr_type) {
   return 2 * page_size();