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6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes

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Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
This commit is contained in:
Keith McGuigan 2008-04-17 22:18:15 -04:00
parent 849e0dfc44
commit f072bc9d3f
26 changed files with 2935 additions and 26 deletions
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4
hotspot/src/cpu/x86/vm/nativeInst_x86.cpp
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@ -472,3 +472,7 @@ address NativeGeneralJump::jump_destination() const {
else
return addr_at(0) + length + sbyte_at(offset);
}
bool NativeInstruction::is_dtrace_trap() {
return (*(int32_t*)this & 0xff) == 0xcc;
}