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s390/uprobes: fix compile for !KPROBES 

Fix the following compile error(s) if CONFIG_KPROBES is disabled:

arch/s390/kernel/uprobes.c:79:14:
 error: implicit declaration of function 'probe_get_fixup_type'
arch/s390/kernel/uprobes.c:87:14:
 error: 'FIXUP_PSW_NORMAL' undeclared (first use in this function)

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2017-05-02 13:20:11 +02:00 committed by Martin Schwidefsky
parent 085b6ba0f7
commit db55947dd2
3 changed files with 13 additions and 10 deletions
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2
arch/s390/include/asm/dis.h
View File

@ -40,6 +40,8 @@ static inline int insn_length(unsigned char code)
return ((((int) code + 64) >> 7) + 1) << 1;
}
struct pt_regs;
void show_code(struct pt_regs *regs);
void print_fn_code(unsigned char *code, unsigned long len);
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);

20
arch/s390/include/asm/kprobes.h
View File

@ -27,12 +27,21 @@
* 2005-Dec Used as a template for s390 by Mike Grundy
* <grundym@us.ibm.com>
*/
#include <linux/types.h>
#include <asm-generic/kprobes.h>
#define BREAKPOINT_INSTRUCTION 0x0002
#define FIXUP_PSW_NORMAL 0x08
#define FIXUP_BRANCH_NOT_TAKEN 0x04
#define FIXUP_RETURN_REGISTER 0x02
#define FIXUP_NOT_REQUIRED 0x01
int probe_is_prohibited_opcode(u16 *insn);
int probe_get_fixup_type(u16 *insn);
int probe_is_insn_relative_long(u16 *insn);
#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
#include <linux/sched/task_stack.h>
@ -56,11 +65,6 @@ typedef u16 kprobe_opcode_t;
#define KPROBE_SWAP_INST 0x10
#define FIXUP_PSW_NORMAL 0x08
#define FIXUP_BRANCH_NOT_TAKEN 0x04
#define FIXUP_RETURN_REGISTER 0x02
#define FIXUP_NOT_REQUIRED 0x01
/* Architecture specific copy of original instruction */
struct arch_specific_insn {
/* copy of original instruction */
@ -90,10 +94,6 @@ int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
int probe_is_prohibited_opcode(u16 *insn);
int probe_get_fixup_type(u16 *insn);
int probe_is_insn_relative_long(u16 *insn);
#define flush_insn_slot(p) do { } while (0)
#endif /* CONFIG_KPROBES */

1
arch/s390/lib/probes.c
View File

@ -4,6 +4,7 @@
* Copyright IBM Corp. 2014
*/
#include <linux/errno.h>
#include <asm/kprobes.h>
#include <asm/dis.h>