23 */
24
25 #ifndef CPU_X86_CONTINUATIONHELPER_X86_INLINE_HPP
26 #define CPU_X86_CONTINUATIONHELPER_X86_INLINE_HPP
27
28 #include "runtime/continuationHelper.hpp"
29
30 #include "runtime/continuationEntry.inline.hpp"
31 #include "runtime/frame.inline.hpp"
32 #include "runtime/registerMap.hpp"
33 #include "utilities/macros.hpp"
34
35 template<typename FKind>
36 static inline intptr_t** link_address(const frame& f) {
37 assert(FKind::is_instance(f), "");
38 return FKind::interpreted
39 ? (intptr_t**)(f.fp() + frame::link_offset)
40 : (intptr_t**)(f.unextended_sp() + f.cb()->frame_size() - frame::sender_sp_offset);
41 }
42
43 inline int ContinuationHelper::frame_align_words(int size) {
44 #ifdef _LP64
45 return size & 1;
46 #else
47 return 0;
48 #endif
49 }
50
51 inline intptr_t* ContinuationHelper::frame_align_pointer(intptr_t* sp) {
52 #ifdef _LP64
53 sp = align_down(sp, frame::frame_alignment);
54 #endif
55 return sp;
56 }
57
58 template<typename FKind>
59 inline void ContinuationHelper::update_register_map(const frame& f, RegisterMap* map) {
60 frame::update_map_with_saved_link(map, link_address<FKind>(f));
61 }
62
63 inline void ContinuationHelper::update_register_map_with_callee(const frame& f, RegisterMap* map) {
64 frame::update_map_with_saved_link(map, ContinuationHelper::Frame::callee_link_address(f));
65 }
66
67 inline void ContinuationHelper::push_pd(const frame& f) {
68 *(intptr_t**)(f.sp() - frame::sender_sp_offset) = f.fp();
69 }
70
71 inline void ContinuationHelper::set_anchor_to_entry_pd(JavaFrameAnchor* anchor, ContinuationEntry* entry) {
72 anchor->set_last_Java_fp(entry->entry_fp());
73 }
74
75 #ifdef ASSERT
76 inline void ContinuationHelper::set_anchor_pd(JavaFrameAnchor* anchor, intptr_t* sp) {
77 intptr_t* fp = *(intptr_t**)(sp - frame::sender_sp_offset);
78 anchor->set_last_Java_fp(fp);
79 }
80
81 inline bool ContinuationHelper::Frame::assert_frame_laid_out(frame f) {
82 intptr_t* sp = f.sp();
83 address pc = *(address*)(sp - frame::sender_sp_ret_address_offset());
84 intptr_t* fp = *(intptr_t**)(sp - frame::sender_sp_offset);
85 assert(f.raw_pc() == pc, "f.ra_pc: " INTPTR_FORMAT " actual: " INTPTR_FORMAT, p2i(f.raw_pc()), p2i(pc));
86 assert(f.fp() == fp, "f.fp: " INTPTR_FORMAT " actual: " INTPTR_FORMAT, p2i(f.fp()), p2i(fp));
87 return f.raw_pc() == pc && f.fp() == fp;
88 }
89 #endif
90
91 inline intptr_t** ContinuationHelper::Frame::callee_link_address(const frame& f) {
92 return (intptr_t**)(f.sp() - frame::sender_sp_offset);
93 }
94
95 inline address* ContinuationHelper::Frame::return_pc_address(const frame& f) {
96 return (address*)(f.real_fp() - 1);
97 }
98
99 inline address* ContinuationHelper::InterpretedFrame::return_pc_address(const frame& f) {
100 return (address*)(f.fp() + frame::return_addr_offset);
|
23 */
24
25 #ifndef CPU_X86_CONTINUATIONHELPER_X86_INLINE_HPP
26 #define CPU_X86_CONTINUATIONHELPER_X86_INLINE_HPP
27
28 #include "runtime/continuationHelper.hpp"
29
30 #include "runtime/continuationEntry.inline.hpp"
31 #include "runtime/frame.inline.hpp"
32 #include "runtime/registerMap.hpp"
33 #include "utilities/macros.hpp"
34
35 template<typename FKind>
36 static inline intptr_t** link_address(const frame& f) {
37 assert(FKind::is_instance(f), "");
38 return FKind::interpreted
39 ? (intptr_t**)(f.fp() + frame::link_offset)
40 : (intptr_t**)(f.unextended_sp() + f.cb()->frame_size() - frame::sender_sp_offset);
41 }
42
43 static inline void patch_return_pc_with_preempt_stub(frame& f) {
44 // Patch the pc of the now old last Java frame (we already set the anchor to enterSpecial)
45 // so that when target goes back to Java it will actually return to the preempt cleanup stub.
46 intptr_t* sp = f.sp();
47 sp[-1] = (intptr_t)StubRoutines::cont_preempt_stub();
48 }
49
50 inline int ContinuationHelper::frame_align_words(int size) {
51 #ifdef _LP64
52 return size & 1;
53 #else
54 return 0;
55 #endif
56 }
57
58 inline intptr_t* ContinuationHelper::frame_align_pointer(intptr_t* sp) {
59 #ifdef _LP64
60 sp = align_down(sp, frame::frame_alignment);
61 #endif
62 return sp;
63 }
64
65 template<typename FKind>
66 inline void ContinuationHelper::update_register_map(const frame& f, RegisterMap* map) {
67 frame::update_map_with_saved_link(map, link_address<FKind>(f));
68 }
69
70 inline void ContinuationHelper::update_register_map_with_callee(const frame& f, RegisterMap* map) {
71 frame::update_map_with_saved_link(map, ContinuationHelper::Frame::callee_link_address(f));
72 }
73
74 inline void ContinuationHelper::push_pd(const frame& f) {
75 *(intptr_t**)(f.sp() - frame::sender_sp_offset) = f.fp();
76 }
77
78 inline void ContinuationHelper::set_anchor_to_entry_pd(JavaFrameAnchor* anchor, ContinuationEntry* entry) {
79 anchor->set_last_Java_fp(entry->entry_fp());
80 }
81
82 inline void ContinuationHelper::set_anchor_pd(JavaFrameAnchor* anchor, intptr_t* sp) {
83 intptr_t* fp = *(intptr_t**)(sp - frame::sender_sp_offset);
84 anchor->set_last_Java_fp(fp);
85 }
86
87 #ifdef ASSERT
88 inline bool ContinuationHelper::Frame::assert_frame_laid_out(frame f) {
89 intptr_t* sp = f.sp();
90 address pc = *(address*)(sp - frame::sender_sp_ret_address_offset());
91 intptr_t* fp = *(intptr_t**)(sp - frame::sender_sp_offset);
92 assert(f.raw_pc() == pc, "f.ra_pc: " INTPTR_FORMAT " actual: " INTPTR_FORMAT, p2i(f.raw_pc()), p2i(pc));
93 assert(f.fp() == fp, "f.fp: " INTPTR_FORMAT " actual: " INTPTR_FORMAT, p2i(f.fp()), p2i(fp));
94 return f.raw_pc() == pc && f.fp() == fp;
95 }
96 #endif
97
98 inline intptr_t** ContinuationHelper::Frame::callee_link_address(const frame& f) {
99 return (intptr_t**)(f.sp() - frame::sender_sp_offset);
100 }
101
102 inline address* ContinuationHelper::Frame::return_pc_address(const frame& f) {
103 return (address*)(f.real_fp() - 1);
104 }
105
106 inline address* ContinuationHelper::InterpretedFrame::return_pc_address(const frame& f) {
107 return (address*)(f.fp() + frame::return_addr_offset);
|