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-rw-r--r--arch/s390/include/asm/ptrace.h5
-rw-r--r--arch/s390/include/asm/syscall.h5
-rw-r--r--arch/s390/include/asm/thread_info.h1
3 files changed, 7 insertions, 4 deletions
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 62fd80c9e98c..93c907b4776f 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -328,8 +328,7 @@ struct pt_regs
psw_t psw;
unsigned long gprs[NUM_GPRS];
unsigned long orig_gpr2;
- unsigned short ilc;
- unsigned short svcnr;
+ unsigned int svc_code;
};
/*
@@ -487,6 +486,8 @@ typedef struct
#define PTRACE_POKETEXT_AREA 0x5004
#define PTRACE_POKEDATA_AREA 0x5005
#define PTRACE_GET_LAST_BREAK 0x5006
+#define PTRACE_PEEK_SYSTEM_CALL 0x5007
+#define PTRACE_POKE_SYSTEM_CALL 0x5008
/*
* PT_PROT definition is loosely based on hppa bsd definition in
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index 5c0246b955d8..614267f60713 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -13,6 +13,7 @@
#define _ASM_SYSCALL_H 1
#include <linux/sched.h>
+#include <linux/err.h>
#include <asm/ptrace.h>
/*
@@ -25,7 +26,7 @@ extern const unsigned int sys_call_table[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
- return regs->svcnr ? regs->svcnr : -1;
+ return regs->svc_code ? (regs->svc_code & 0xffff) : -1;
}
static inline void syscall_rollback(struct task_struct *task,
@@ -37,7 +38,7 @@ static inline void syscall_rollback(struct task_struct *task,
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
- return (regs->gprs[2] >= -4096UL) ? -regs->gprs[2] : 0;
+ return IS_ERR_VALUE(regs->gprs[2]) ? regs->gprs[2] : 0;
}
static inline long syscall_get_return_value(struct task_struct *task,
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index f9a9a10979c9..0c4788eb5a65 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -48,6 +48,7 @@ struct thread_info {
unsigned int cpu; /* current CPU */
int preempt_count; /* 0 => preemptable, <0 => BUG */
struct restart_block restart_block;
+ unsigned int system_call;
__u64 user_timer;
__u64 system_timer;
unsigned long last_break; /* last breaking-event-address. */