diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:06 +0200 |
| commit | 9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch) | |
| tree | bbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /arch/arm/kernel/kprobes-decode.c | |
| parent | cc5edb0eb9ce892b530e34a5d110382483587942 (diff) | |
| parent | cd5b8f8755a89a57fc8c408d284b8b613f090345 (diff) | |
| download | linux-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.tar.gz linux-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.tar.bz2 linux-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.zip | |
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel/kprobes-decode.c')
| -rw-r--r-- | arch/arm/kernel/kprobes-decode.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c index da1f94906a4e..8bccbfa693ff 100644 --- a/arch/arm/kernel/kprobes-decode.c +++ b/arch/arm/kernel/kprobes-decode.c @@ -583,13 +583,14 @@ static void __kprobes emulate_ldr(struct kprobe *p, struct pt_regs *regs) { insn_llret_3arg_fn_t *i_fn = (insn_llret_3arg_fn_t *)&p->ainsn.insn[0]; kprobe_opcode_t insn = p->opcode; + long ppc = (long)p->addr + 8; union reg_pair fnr; int rd = (insn >> 12) & 0xf; int rn = (insn >> 16) & 0xf; int rm = insn & 0xf; long rdv; - long rnv = regs->uregs[rn]; - long rmv = regs->uregs[rm]; /* rm/rmv may be invalid, don't care. */ + long rnv = (rn == 15) ? ppc : regs->uregs[rn]; + long rmv = (rm == 15) ? ppc : regs->uregs[rm]; long cpsr = regs->ARM_cpsr; fnr.dr = insnslot_llret_3arg_rflags(rnv, 0, rmv, cpsr, i_fn); |