82 // correct them.
83 //
84 // Must run after os::Aix::initialue_os_info().
85 static void scan_environment();
86
87 // Initialize libo4 (on PASE) and libperfstat (on AIX). Call this
88 // before relying on functions from either lib, e.g. Aix::get_meminfo().
89 static void initialize_libo4();
90 static void initialize_libperfstat();
91
92 public:
93 static void init_thread_fpu_state();
94 static pthread_t main_thread(void) { return _main_thread; }
95 static void set_createThread_lock(Mutex* lk) { _createThread_lock = lk; }
96 static Mutex* createThread_lock(void) { return _createThread_lock; }
97 static void hotspot_sigmask(Thread* thread);
98
99 // Given an address, returns the size of the page backing that address
100 static size_t query_pagesize(void* p);
101
102 // Return `true' if the calling thread is the primordial thread. The
103 // primordial thread is the thread which contains the main function,
104 // *not* necessarily the thread which initialized the VM by calling
105 // JNI_CreateJavaVM.
106 static bool is_primordial_thread(void);
107
108 static int page_size(void) {
109 assert(_page_size != -1, "not initialized");
110 return _page_size;
111 }
112
113 static address ucontext_get_pc(const ucontext_t* uc);
114 static intptr_t* ucontext_get_sp(const ucontext_t* uc);
115 static intptr_t* ucontext_get_fp(const ucontext_t* uc);
116 // Set PC into context. Needed for continuation after signal.
117 static void ucontext_set_pc(ucontext_t* uc, address pc);
118
119 static bool get_frame_at_stack_banging_point(JavaThread* thread, ucontext_t* uc, frame* fr);
120
121 // This boolean allows users to forward their own non-matching signals
122 // to JVM_handle_aix_signal, harmlessly.
123 static bool signal_handlers_are_installed;
124
125 static int get_our_sigflags(int);
126 static void set_our_sigflags(int, int);
127 static void signal_sets_init();
|
82 // correct them.
83 //
84 // Must run after os::Aix::initialue_os_info().
85 static void scan_environment();
86
87 // Initialize libo4 (on PASE) and libperfstat (on AIX). Call this
88 // before relying on functions from either lib, e.g. Aix::get_meminfo().
89 static void initialize_libo4();
90 static void initialize_libperfstat();
91
92 public:
93 static void init_thread_fpu_state();
94 static pthread_t main_thread(void) { return _main_thread; }
95 static void set_createThread_lock(Mutex* lk) { _createThread_lock = lk; }
96 static Mutex* createThread_lock(void) { return _createThread_lock; }
97 static void hotspot_sigmask(Thread* thread);
98
99 // Given an address, returns the size of the page backing that address
100 static size_t query_pagesize(void* p);
101
102 static int page_size(void) {
103 assert(_page_size != -1, "not initialized");
104 return _page_size;
105 }
106
107 static address ucontext_get_pc(const ucontext_t* uc);
108 static intptr_t* ucontext_get_sp(const ucontext_t* uc);
109 static intptr_t* ucontext_get_fp(const ucontext_t* uc);
110 // Set PC into context. Needed for continuation after signal.
111 static void ucontext_set_pc(ucontext_t* uc, address pc);
112
113 static bool get_frame_at_stack_banging_point(JavaThread* thread, ucontext_t* uc, frame* fr);
114
115 // This boolean allows users to forward their own non-matching signals
116 // to JVM_handle_aix_signal, harmlessly.
117 static bool signal_handlers_are_installed;
118
119 static int get_our_sigflags(int);
120 static void set_our_sigflags(int, int);
121 static void signal_sets_init();
|