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[MIPS] Stacktrace build-fix and improvement

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Fix build error due to stacktrace API change.  Now save_stack_trace()
tries to save all kernel context, including interrupts and exception.
Also some asm code are changed a bit so that we can detect the end of
current context easily.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2006-09-28 19:15:33 +09:00
committed by Ralf Baechle
parent c8cc9618c5
commit 23126692e3
3 changed files with 29 additions and 35 deletions
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8
arch/mips/kernel/genex.S
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@@ -220,8 +220,8 @@ NESTED(except_vec_vi_handler, 0, sp)
CLI
TRACE_IRQS_OFF
move a0, sp
jalr v0
j ret_from_irq
PTR_LA ra, ret_from_irq
jr v0
END(except_vec_vi_handler)
/*
@@ -349,8 +349,8 @@ NESTED(nmi_handler, PT_SIZE, sp)
.set at
__BUILD_\verbose \exception
move a0, sp
jal do_\handler
j ret_from_exception
PTR_LA ra, ret_from_exception
j do_\handler
END(handle_\exception)
.endm