summaryrefslogtreecommitdiff
path: root/arch/arm/kernel/kprobes-thumb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/kprobes-thumb.c')
-rw-r--r--arch/arm/kernel/kprobes-thumb.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/arm/kernel/kprobes-thumb.c b/arch/arm/kernel/kprobes-thumb.c
index 6619188..9495d7f 100644
--- a/arch/arm/kernel/kprobes-thumb.c
+++ b/arch/arm/kernel/kprobes-thumb.c
@@ -149,9 +149,9 @@ t32_decode_ldmstm(probes_opcode_t insn, struct arch_probes_insn *asi,
enum probes_insn ret = kprobe_decode_ldmstm(insn, asi, d);
/* Fixup modified instruction to have halfwords in correct order...*/
- insn = asi->insn[0];
- ((u16 *)asi->insn)[0] = insn >> 16;
- ((u16 *)asi->insn)[1] = insn & 0xffff;
+ insn = __mem_to_opcode_arm(asi->insn[0]);
+ ((u16 *)asi->insn)[0] = __opcode_to_mem_thumb16(insn >> 16);
+ ((u16 *)asi->insn)[1] = __opcode_to_mem_thumb16(insn & 0xffff);
return ret;
}
@@ -516,7 +516,7 @@ t16_decode_hiregs(probes_opcode_t insn, struct arch_probes_insn *asi,
{
insn &= ~0x00ff;
insn |= 0x001; /* Set Rdn = R1 and Rm = R0 */
- ((u16 *)asi->insn)[0] = insn;
+ ((u16 *)asi->insn)[0] = __opcode_to_mem_thumb16(insn);
asi->insn_handler = t16_emulate_hiregs;
return INSN_GOOD;
}
@@ -547,8 +547,10 @@ t16_decode_push(probes_opcode_t insn, struct arch_probes_insn *asi,
* and call it with R9=SP and LR in the register list represented
* by R8.
*/
- ((u16 *)asi->insn)[0] = 0xe929; /* 1st half STMDB R9!,{} */
- ((u16 *)asi->insn)[1] = insn & 0x1ff; /* 2nd half (register list) */
+ /* 1st half STMDB R9!,{} */
+ ((u16 *)asi->insn)[0] = __opcode_to_mem_thumb16(0xe929);
+ /* 2nd half (register list) */
+ ((u16 *)asi->insn)[1] = __opcode_to_mem_thumb16(insn & 0x1ff);
asi->insn_handler = t16_emulate_push;
return INSN_GOOD;
}
@@ -600,8 +602,10 @@ t16_decode_pop(probes_opcode_t insn, struct arch_probes_insn *asi,
* and call it with R9=SP and PC in the register list represented
* by R8.
*/
- ((u16 *)asi->insn)[0] = 0xe8b9; /* 1st half LDMIA R9!,{} */
- ((u16 *)asi->insn)[1] = insn & 0x1ff; /* 2nd half (register list) */
+ /* 1st half LDMIA R9!,{} */
+ ((u16 *)asi->insn)[0] = __opcode_to_mem_thumb16(0xe8b9);
+ /* 2nd half (register list) */
+ ((u16 *)asi->insn)[1] = __opcode_to_mem_thumb16(insn & 0x1ff);
asi->insn_handler = insn & 0x100 ? t16_emulate_pop_pc
: t16_emulate_pop_nopc;
return INSN_GOOD;