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-rw-r--r--arch/x86/include/asm/insn-eval.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/insn-eval.h b/arch/x86/include/asm/insn-eval.h
index 4ec3613551e3..43785ee363f1 100644
--- a/arch/x86/include/asm/insn-eval.h
+++ b/arch/x86/include/asm/insn-eval.h
@@ -19,6 +19,7 @@ bool insn_has_rep_prefix(struct insn *insn);
void __user *insn_get_addr_ref(struct insn *insn, struct pt_regs *regs);
int insn_get_modrm_rm_off(struct insn *insn, struct pt_regs *regs);
int insn_get_modrm_reg_off(struct insn *insn, struct pt_regs *regs);
+unsigned long *insn_get_modrm_reg_ptr(struct insn *insn, struct pt_regs *regs);
unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx);
int insn_get_code_seg_params(struct pt_regs *regs);
int insn_get_effective_ip(struct pt_regs *regs, unsigned long *ip);
@@ -29,4 +30,16 @@ int insn_fetch_from_user_inatomic(struct pt_regs *regs,
bool insn_decode_from_regs(struct insn *insn, struct pt_regs *regs,
unsigned char buf[MAX_INSN_SIZE], int buf_size);
+enum mmio_type {
+ MMIO_DECODE_FAILED,
+ MMIO_WRITE,
+ MMIO_WRITE_IMM,
+ MMIO_READ,
+ MMIO_READ_ZERO_EXTEND,
+ MMIO_READ_SIGN_EXTEND,
+ MMIO_MOVS,
+};
+
+enum mmio_type insn_decode_mmio(struct insn *insn, int *bytes);
+
#endif /* _ASM_X86_INSN_EVAL_H */