Commit cafb0dda authored by Matt Fleming's avatar Matt Fleming Committed by Paul Mundt

sh: Add CFI annotations for exception return.

Annotate various assembly code paths with CFI assembler directives so
that DWARF unwind info is available for the unwinder.
Signed-off-by: default avatarMatt Fleming <matt@console-pimps.org>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0b930489
...@@ -43,6 +43,7 @@ ...@@ -43,6 +43,7 @@
* syscall # * syscall #
* *
*/ */
#include <asm/dwarf.h>
#if defined(CONFIG_PREEMPT) #if defined(CONFIG_PREEMPT)
# define preempt_stop() cli ; TRACE_IRQS_OFF # define preempt_stop() cli ; TRACE_IRQS_OFF
...@@ -66,6 +67,11 @@ ENTRY(exception_error) ...@@ -66,6 +67,11 @@ ENTRY(exception_error)
.align 2 .align 2
ret_from_exception: ret_from_exception:
CFI_STARTPROC simple
CFI_DEF_CFA r14, 0
CFI_REL_OFFSET 17, 64
CFI_REL_OFFSET 15, 0
CFI_REL_OFFSET 14, 56
preempt_stop() preempt_stop()
ENTRY(ret_from_irq) ENTRY(ret_from_irq)
! !
...@@ -240,6 +246,7 @@ debug_trap: ...@@ -240,6 +246,7 @@ debug_trap:
nop nop
bra __restore_all bra __restore_all
nop nop
CFI_ENDPROC
.align 2 .align 2
1: .long debug_trap_table 1: .long debug_trap_table
......
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