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sh: dwarf unwinder support.

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This is a first cut at a generic DWARF unwinder for the kernel. It's
still lacking DWARF64 support and the DWARF expression support hasn't
been tested very well but it is generating proper stacktraces on SH for
WARN_ON() and NULL dereferences.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Matt Fleming
2009-08-14 01:58:43 +09:00
committed by Paul Mundt
parent 0eff9f66de
commit bd353861c7
10 changed files with 1322 additions and 1 deletions
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4
arch/sh/kernel/irq.c
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@@ -14,6 +14,7 @@
#include <asm/processor.h>
#include <asm/machvec.h>
#include <asm/uaccess.h>
#include <asm/dwarf.h>
#include <asm/thread_info.h>
#include <cpu/mmu_context.h>
@@ -261,6 +262,9 @@ void __init init_IRQ(void)
sh_mv.mv_init_irq();
irq_ctx_init(smp_processor_id());
/* This needs to be early, but not too early.. */
dwarf_unwinder_init();
}
#ifdef CONFIG_SPARSE_IRQ