comparison src/share/vm/runtime/os.cpp @ 14456:abec000618bf

Merge
author kvn
date Tue, 28 Jan 2014 12:25:34 -0800
parents d3a3fc905c7e 2b8e28fdf503
children 8a9bb7821e28
comparison
equal deleted inserted replaced
14269:2a8891e0a082 14456:abec000618bf
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