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-rw-r--r--arch/mips/kernel/mcount.S13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S
index 539b6294b61..26ceb3c0eca 100644
--- a/arch/mips/kernel/mcount.S
+++ b/arch/mips/kernel/mcount.S
@@ -84,6 +84,19 @@ _mcount:
#endif
PTR_SUBU a0, ra, 8 /* arg1: self address */
+ PTR_LA t1, _stext
+ sltu t2, a0, t1 /* t2 = (a0 < _stext) */
+ PTR_LA t1, _etext
+ sltu t3, t1, a0 /* t3 = (a0 > _etext) */
+ or t1, t2, t3
+ beqz t1, ftrace_call
+ nop
+#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
+ PTR_SUBU a0, a0, 16 /* arg1: adjust to module's recorded callsite */
+#else
+ PTR_SUBU a0, a0, 12
+#endif
+
.globl ftrace_call
ftrace_call:
nop /* a placeholder for the call to a real tracing function */