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authorGrant Likely <grant.likely@secretlab.ca>2010-07-24 09:49:13 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-07-24 09:49:13 -0600
commit4e4f62bf7396fca48efe61513640ee399a6046e3 (patch)
tree42a503af02d9806bcc05e5fcc2cd53f9bd45b0c2 /arch/arm/kernel/kprobes-decode.c
parent9e3288dc9a94fab5ea87db42177d3a9e0345a614 (diff)
parentb37fa16e78d6f9790462b3181602a26b5af36260 (diff)
Merge commit 'v2.6.35-rc6' into devicetree/next
Conflicts: arch/sparc/kernel/prom_64.c
Diffstat (limited to 'arch/arm/kernel/kprobes-decode.c')
-rw-r--r--arch/arm/kernel/kprobes-decode.c5
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);