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-rw-r--r--arch/sparc64/lib/mcount.S17
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/sparc64/lib/mcount.S b/arch/sparc64/lib/mcount.S
index 7735a7a60533..734caf0cec09 100644
--- a/arch/sparc64/lib/mcount.S
+++ b/arch/sparc64/lib/mcount.S
@@ -48,12 +48,23 @@ mcount:
48 sub %g3, STACK_BIAS, %g3 48 sub %g3, STACK_BIAS, %g3
49 cmp %sp, %g3 49 cmp %sp, %g3
50 bg,pt %xcc, 1f 50 bg,pt %xcc, 1f
51 sethi %hi(panicstring), %g3 51 nop
52 /* If we are already on ovstack, don't hop onto it
53 * again, we are already trying to output the stack overflow
54 * message.
55 */
52 sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough 56 sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough
53 or %g7, %lo(ovstack), %g7 57 or %g7, %lo(ovstack), %g7
54 add %g7, OVSTACKSIZE, %g7 58 add %g7, OVSTACKSIZE, %g3
59 sub %g3, STACK_BIAS + 192, %g3
55 sub %g7, STACK_BIAS, %g7 60 sub %g7, STACK_BIAS, %g7
56 mov %g7, %sp 61 cmp %sp, %g7
62 blu,pn %xcc, 2f
63 cmp %sp, %g3
64 bleu,pn %xcc, 1f
65 nop
662: mov %g3, %sp
67 sethi %hi(panicstring), %g3
57 call prom_printf 68 call prom_printf
58 or %g3, %lo(panicstring), %o0 69 or %g3, %lo(panicstring), %o0
59 call prom_halt 70 call prom_halt