Hi, Thanks for your reply. I did not strip libstdc++.so. I had downloaded gcc depot file from HP site and installed.
here is the dump of x/20i (unsigned long)($pc-40) & (~0xF) (gdb) x/20i (unsigned long)($pc-40) & (~0xF) 0x9fffffffef7bce00:0 <unwind_rp+0x20>: st8 [r2]=r3,-8;; 0x9fffffffef7bce00:1 <unwind_rp+0x21>: st8.spill [r2]=r8,-24 0x9fffffffef7bce00:2 <unwind_rp+0x22>: nop.i 0x0;; 0x9fffffffef7bce10:0 <unwind_rp+0x30>: stf.spill [r2]=f8,-16;; 0x9fffffffef7bce10:1 <unwind_rp+0x31>: stf.spill [r2]=f9,-16 0x9fffffffef7bce10:2 <unwind_rp+0x32>: nop.i 0x0;; 0x9fffffffef7bce20:0 <unwind_rp+0x40>: stf.spill [r2]=f10,-16;; 0x9fffffffef7bce20:1 <unwind_rp+0x41>: stf.spill [r2]=f11,-16 0x9fffffffef7bce20:2 <unwind_rp+0x42>: nop.i 0x0;; 0x9fffffffef7bce30:0 <unwind_rp+0x50>: stf.spill [r2]=f12,-16;; 0x9fffffffef7bce30:1 <unwind_rp+0x51>: stf.spill [r2]=f13,-16 0x9fffffffef7bce30:2 <unwind_rp+0x52>: nop.i 0x0;; 0x9fffffffef7bce40:0 <unwind_rp+0x60>: stf.spill [r2]=f14,-16;; 0x9fffffffef7bce40:1 <unwind_rp+0x61>: stf.spill [r2]=f15,-16 0x9fffffffef7bce40:2 <unwind_rp+0x62>: nop.i 0x0;; 0x9fffffffef7bce50:0 <unwind_rp+0x70>: br.call.sptk.few b0=0x9fffffffef7addf0 0x9fffffffef7bce50:1 <unwind_rp+0x71>: nop.b 0x0 0x9fffffffef7bce50:2 <unwind_rp+0x72>: nop.b 0x0;; 0x9fffffffef7bce60:0 <unwind_rp+0x80>: adds r2=128,r12;; 0x9fffffffef7bce60:1 <unwind_rp+0x81>: ldf.fill f8=[r2],-16 Thanks & Regards, GS _______________________________________________ help-gplusplus mailing list help-gplusplus@gnu.org http://lists.gnu.org/mailman/listinfo/help-gplusplus