diff options
Diffstat (limited to 'arch/mips/kernel/mcount.S')
| -rw-r--r-- | arch/mips/kernel/mcount.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S index 00940d1d5c4f..5d25462de8a6 100644 --- a/arch/mips/kernel/mcount.S +++ b/arch/mips/kernel/mcount.S @@ -80,6 +80,19 @@ _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 */ |