Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5d36aa9bbed32507b21e345f9d065868af5f5991
Commit: 5d36aa9bbed32507b21e345f9d065868af5f5991
Parent: a1287476e86568374ed6aadbb4123d9eff6f7b09
Author: David Mosberger-Tang <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 9 16:54:27 2007 -0600
Committer: Tony Luck <[EMAIL PROTECTED]>
CommitDate: Mon Aug 13 13:26:02 2007 -0700
[IA64] make unwinder stop at last frame of the bootloader
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 <[EMAIL PROTECTED]>
Signed-off-by: Tony Luck <[EMAIL PROTECTED]>
---
arch/ia64/hp/sim/boot/boot_head.S | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
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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