Attached is a trivial patch that makes stack-unwinding stop at the last frame of the bootloader. --david -- Mosberger Consulting LLC, http://www.mosberger-consulting.com/
[IA64] Add a dummy nop at the end of _start() to maintain the invariant that the return-pointer (rp) always point to the calling function. This makes unwinding stop at the last frame, as it should. Signed-off-by: David Mosberger-Tang <dmosberger@xxxxxxxxx> diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S index a9bd71a..8808565 100644 --- a/arch/ia64/hp/sim/boot/boot_head.S +++ b/arch/ia64/hp/sim/boot/boot_head.S @@ -26,6 +26,7 @@ GLOBAL_ENTRY(_start) movl sp = stack_mem+16384-16 bsw.1 br.call.sptk.many rp=start_bootloader +0: nop 0 /* dummy nop to make unwinding work */ END(_start) /*
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