Fri, 07 Jan 2011 10:42:32 -0500
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
Summary: Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean.
Reviewed-by: coleenp, kvn, dholmes, ysr
1 /*
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25 #ifndef CPU_X86_VM_INTERPRETER_X86_HPP
26 #define CPU_X86_VM_INTERPRETER_X86_HPP
28 public:
30 // Sentinel placed in the code for interpreter returns so
31 // that i2c adapters and osr code can recognize an interpreter
32 // return address and convert the return to a specialized
33 // block of code to handle compiedl return values and cleaning
34 // the fpu stack.
35 static const int return_sentinel;
37 static Address::ScaleFactor stackElementScale() { return Address::times_4; }
39 // Offset from rsp (which points to the last stack element)
40 static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
42 // Stack index relative to tos (which points at value)
43 static int expr_index_at(int i) { return stackElementWords * i; }
45 // Already negated by c++ interpreter
46 static int local_index_at(int i) {
47 assert(i <= 0, "local direction already negated");
48 return stackElementWords * i;
49 }
51 #endif // CPU_X86_VM_INTERPRETER_X86_HPP