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powerpc/xmon: Show the stack protector canary in xmon
author
Michael Ellerman
<mpe@ellerman.id.au>
Fri, 12 Oct 2018 02:58:52 +0000
(13:58 +1100)
committer
Michael Ellerman
<mpe@ellerman.id.au>
Sat, 13 Oct 2018 11:21:25 +0000
(22:21 +1100)
This is helpful for debugging stack protector crashes.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/xmon/xmon.c
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diff --git
a/arch/powerpc/xmon/xmon.c
b/arch/powerpc/xmon/xmon.c
index
c70d17c
..
d139741
100644
(file)
--- a/
arch/powerpc/xmon/xmon.c
+++ b/
arch/powerpc/xmon/xmon.c
@@
-2418,6
+2418,9
@@
static void dump_one_paca(int cpu)
DUMP(p, __current, "%-*px");
DUMP(p, kstack, "%#-*llx");
printf(" %-*s = 0x%016llx\n", 25, "kstack_base", p->kstack & ~(THREAD_SIZE - 1));
+#ifdef CONFIG_STACKPROTECTOR
+ DUMP(p, canary, "%#-*lx");
+#endif
DUMP(p, saved_r1, "%#-*llx");
DUMP(p, trap_save, "%#-*x");
DUMP(p, irq_soft_mask, "%#-*x");