On Fri, Jan 09, 2015 at 07:54:08PM +0100, Denys Vlasenko wrote:
> In order to narrow it down, can you, instead of my patch, try
> just deleting this one line, and see whether breakage appears?
Yep, this works:
---
Index: b/arch/x86/lib/thunk_64.S
===================================================================
--- a/arch/x86/lib/thunk_64.S 2015-01-10 15:03:10.262716858 +0100
+++ b/arch/x86/lib/thunk_64.S 2015-01-10 15:12:53.502730396 +0100
@@ -47,7 +47,6 @@
/* SAVE_ARGS below is used only for the .cfi directives it contains. */
CFI_STARTPROC
- SAVE_ARGS
restore:
RESTORE_ARGS
ret
--
Bah, I see it. This nasty '$' gets forgotten a lot, maybe we should have
a check for that in some scripts :-)
Here's the fix:
---
Index: b/arch/x86/lib/thunk_64.S
===================================================================
--- a/arch/x86/lib/thunk_64.S 2015-01-10 15:18:04.418737613 +0100
+++ b/arch/x86/lib/thunk_64.S 2015-01-10 15:17:18.882736556 +0100
@@ -67,7 +67,7 @@ restore:
movq_cfi_restore 6*8, rdx
movq_cfi_restore 7*8, rsi
movq_cfi_restore 8*8, rdi
- addq 9*8, %rsp
+ addq $9*8, %rsp
CFI_ADJUST_CFA_OFFSET -9*8
ret
CFI_ENDPROC
---
That boots!
:-D
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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