Mon, 28 Feb 2011 06:07:12 -0800
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
Reviewed-by: never, bdelsart
1 /*
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23 */
25 #include "precompiled.hpp"
26 #include "code/debugInfoRec.hpp"
27 #include "code/nmethod.hpp"
28 #include "code/pcDesc.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "memory/resourceArea.hpp"
32 PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
33 assert(sizeof(PcDescFlags) <= 4, "occupies more than a word");
34 _pc_offset = pc_offset;
35 _scope_decode_offset = scope_decode_offset;
36 _obj_decode_offset = obj_decode_offset;
37 _flags.word = 0;
38 }
40 address PcDesc::real_pc(const nmethod* code) const {
41 return code->code_begin() + pc_offset();
42 }
44 void PcDesc::print(nmethod* code) {
45 #ifndef PRODUCT
46 ResourceMark rm;
47 tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset());
49 if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
50 return;
51 }
53 for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
54 sd != NULL;
55 sd = sd->sender()) {
56 tty->print(" ");
57 sd->method()->print_short_name(tty);
58 tty->print(" @%d", sd->bci());
59 if (sd->should_reexecute())
60 tty->print(" reexecute=true");
61 tty->cr();
62 }
63 #endif
64 }
66 bool PcDesc::verify(nmethod* code) {
67 //Unimplemented();
68 return true;
69 }