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src/os_cpu/linux_x86/vm/thread_linux_x86.hpp@9ffa0d7ed932 (annotated)

src/os_cpu/linux_x86/vm/thread_linux_x86.hpp

Mon, 26 Jun 2017 02:04:40 -0700

author

kevinw

date

Mon, 26 Jun 2017 02:04:40 -0700

changeset 8987

9ffa0d7ed932

parent 8877

f04097176542

child 9041

95a08233f46c

permissions

-rw-r--r--

8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Reviewed-by: dlong

duke@435	1	/*
sla@5237	2	* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP
stefank@2314	26	#define OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP
stefank@2314	27
duke@435	28	private:
duke@435	29	void pd_initialize() {
duke@435	30	_anchor.clear();
duke@435	31	}
duke@435	32
duke@435	33	frame pd_last_frame() {
duke@435	34	assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
kevinw@8877	35	assert(_anchor.last_Java_pc() != NULL, "not walkable");
kevinw@8877	36	return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
duke@435	37	}
duke@435	38
duke@435	39	public:
duke@435	40	// Mutators are highly dangerous....
duke@435	41	intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); }
duke@435	42	void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); }
duke@435	43
duke@435	44	void set_base_of_stack_pointer(intptr_t* base_sp) {
duke@435	45	}
duke@435	46
duke@435	47	static ByteSize last_Java_fp_offset() {
duke@435	48	return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
duke@435	49	}
duke@435	50
duke@435	51	intptr_t* base_of_stack_pointer() {
duke@435	52	return NULL;
duke@435	53	}
duke@435	54	void record_base_of_stack_pointer() {
duke@435	55	}
duke@435	56
duke@435	57	bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
duke@435	58	bool isInJava);
duke@435	59
sla@5237	60	bool pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava);
sla@5237	61	private:
sla@5237	62	bool pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava);
sla@5237	63	public:
sla@5237	64
duke@435	65	// These routines are only used on cpu architectures that
duke@435	66	// have separate register stacks (Itanium).
duke@435	67	static bool register_stack_overflow() { return false; }
duke@435	68	static void enable_register_stack_guard() {}
duke@435	69	static void disable_register_stack_guard() {}
stefank@2314	70
stefank@2314	71	#endif // OS_CPU_LINUX_X86_VM_THREAD_LINUX_X86_HPP