17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_STACKCHUNKFRAMESTREAM_X86_INLINE_HPP
26 #define CPU_X86_STACKCHUNKFRAMESTREAM_X86_INLINE_HPP
27
28 #include "interpreter/oopMapCache.hpp"
29 #include "runtime/frame.inline.hpp"
30 #include "runtime/registerMap.hpp"
31
32 #ifdef ASSERT
33 template <ChunkFrames frame_kind>
34 inline bool StackChunkFrameStream<frame_kind>::is_in_frame(void* p0) const {
35 assert(!is_done(), "");
36 intptr_t* p = (intptr_t*)p0;
37 int argsize = is_compiled() ? (_cb->as_nmethod()->num_stack_arg_slots() * VMRegImpl::stack_slot_size) >> LogBytesPerWord : 0;
38 int frame_size = _cb->frame_size() + argsize;
39 return p == sp() - frame::sender_sp_offset || ((p - unextended_sp()) >= 0 && (p - unextended_sp()) < frame_size);
40 }
41 #endif
42
43 template <ChunkFrames frame_kind>
44 inline frame StackChunkFrameStream<frame_kind>::to_frame() const {
45 if (is_done()) {
46 return frame(_sp, _sp, nullptr, nullptr, nullptr, nullptr, true);
47 } else {
48 return frame(sp(), unextended_sp(), fp(), pc(), cb(), _oopmap, true);
49 }
50 }
51
52 template <ChunkFrames frame_kind>
53 inline address StackChunkFrameStream<frame_kind>::get_pc() const {
54 assert(!is_done(), "");
55 return *(address*)(_sp - 1);
56 }
57
58 template <ChunkFrames frame_kind>
59 inline intptr_t* StackChunkFrameStream<frame_kind>::fp() const {
60 intptr_t* fp_addr = _sp - frame::sender_sp_offset;
61 return (frame_kind == ChunkFrames::Mixed && is_interpreted())
62 ? fp_addr + *fp_addr // derelativize
63 : *(intptr_t**)fp_addr;
64 }
65
66 template <ChunkFrames frame_kind>
67 inline intptr_t* StackChunkFrameStream<frame_kind>::derelativize(int offset) const {
68 intptr_t* fp = this->fp();
69 assert(fp != nullptr, "");
70 return fp + fp[offset];
71 }
72
73 template <ChunkFrames frame_kind>
74 inline intptr_t* StackChunkFrameStream<frame_kind>::unextended_sp_for_interpreter_frame() const {
75 assert_is_interpreted_and_frame_type_mixed();
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_STACKCHUNKFRAMESTREAM_X86_INLINE_HPP
26 #define CPU_X86_STACKCHUNKFRAMESTREAM_X86_INLINE_HPP
27
28 #include "interpreter/oopMapCache.hpp"
29 #include "runtime/frame.inline.hpp"
30 #include "runtime/registerMap.hpp"
31
32 #ifdef ASSERT
33 template <ChunkFrames frame_kind>
34 inline bool StackChunkFrameStream<frame_kind>::is_in_frame(void* p0) const {
35 assert(!is_done(), "");
36 intptr_t* p = (intptr_t*)p0;
37 int frame_size = _cb->frame_size();
38 if (is_compiled()) {
39 nmethod* nm = _cb->as_nmethod_or_null();
40 if (nm->needs_stack_repair() && nm->is_compiled_by_c2()) {
41 frame f = to_frame();
42 bool augmented = f.was_augmented_on_entry(frame_size);
43 if (!augmented) {
44 // Fix: C2 caller, so frame was not extended and thus the
45 // size read from the frame does not include the arguments.
46 // Ideally we have to count the arg size for the scalarized
47 // convention. For now we include the size of the caller frame
48 // which would at least be equal to that.
49 RegisterMap map(nullptr,
50 RegisterMap::UpdateMap::skip,
51 RegisterMap::ProcessFrames::skip,
52 RegisterMap::WalkContinuation::skip);
53 frame caller = to_frame().sender(&map);
54 assert(caller.is_compiled_frame() && caller.cb()->as_nmethod()->is_compiled_by_c2(), "needs stack repair but was not extended with c1/interpreter caller");
55 frame_size += (caller.real_fp() - caller.sp());
56 }
57 } else {
58 frame_size += _cb->as_nmethod()->num_stack_arg_slots() * VMRegImpl::stack_slot_size >> LogBytesPerWord;
59 }
60 }
61 return p == sp() - frame::sender_sp_offset || ((p - unextended_sp()) >= 0 && (p - unextended_sp()) < frame_size);
62 }
63 #endif
64
65 template <ChunkFrames frame_kind>
66 inline frame StackChunkFrameStream<frame_kind>::to_frame() const {
67 if (is_done()) {
68 return frame(_sp, _sp, nullptr, nullptr, nullptr, nullptr, true);
69 } else {
70 return frame(sp(), unextended_sp(), fp(), pc(), cb(), _oopmap, true);
71 }
72 }
73
74 template <ChunkFrames frame_kind>
75 inline address StackChunkFrameStream<frame_kind>::get_pc() const {
76 assert(!is_done(), "");
77 return *(address*)((_callee_augmented ? _unextended_sp : _sp) - 1);
78 }
79
80 template <ChunkFrames frame_kind>
81 inline intptr_t* StackChunkFrameStream<frame_kind>::fp() const {
82 intptr_t* fp_addr = _sp - frame::sender_sp_offset;
83 return (frame_kind == ChunkFrames::Mixed && is_interpreted())
84 ? fp_addr + *fp_addr // derelativize
85 : *(intptr_t**)fp_addr;
86 }
87
88 template <ChunkFrames frame_kind>
89 inline intptr_t* StackChunkFrameStream<frame_kind>::derelativize(int offset) const {
90 intptr_t* fp = this->fp();
91 assert(fp != nullptr, "");
92 return fp + fp[offset];
93 }
94
95 template <ChunkFrames frame_kind>
96 inline intptr_t* StackChunkFrameStream<frame_kind>::unextended_sp_for_interpreter_frame() const {
97 assert_is_interpreted_and_frame_type_mixed();
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