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comparison src/share/vm/runtime/os.cpp @ 17812:a7d4d4655766

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Merge
author kvn
date Wed, 26 Mar 2014 18:21:05 -0700
parents 752ba2e5f6d0
children 5cf196cc5405
comparison
equal deleted inserted replaced
17789:6b207d038106 17812:a7d4d4655766
1099 1099
1100 // Looks like all platforms except IA64 can use the same function to check 1100 // Looks like all platforms except IA64 can use the same function to check
1101 // if C stack is walkable beyond current frame. The check for fp() is not 1101 // if C stack is walkable beyond current frame. The check for fp() is not
1102 // necessary on Sparc, but it's harmless. 1102 // necessary on Sparc, but it's harmless.
1103 bool os::is_first_C_frame(frame* fr) { 1103 bool os::is_first_C_frame(frame* fr) {
1104 #if defined(IA64) && !defined(_WIN32) 1104 #if (defined(IA64) && !defined(AIX)) && !defined(_WIN32)
1105 // On IA64 we have to check if the callers bsp is still valid 1105 // On IA64 we have to check if the callers bsp is still valid
1106 // (i.e. within the register stack bounds). 1106 // (i.e. within the register stack bounds).
1107 // Notice: this only works for threads created by the VM and only if 1107 // Notice: this only works for threads created by the VM and only if
1108 // we walk the current stack!!! If we want to be able to walk 1108 // we walk the current stack!!! If we want to be able to walk
1109 // arbitrary other threads, we'll have to somehow store the thread 1109 // arbitrary other threads, we'll have to somehow store the thread