diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h index 5f0c9fdb98..dbe77df979 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h @@ -19,7 +19,7 @@ 02111-1307 USA. */ #ifndef _LINUX_S390_SYSDEP_H -#define _LINUX_S390_SYSEDP_H +#define _LINUX_S390_SYSDEP_H #include <sysdeps/s390/s390-64/sysdep.h> #include <sysdeps/unix/sysdep.h> @@ -126,15 +126,13 @@ #define INTERNAL_SYSCALL(name, err, nr, args...) \ ({ \ DECLARGS_##nr(args) \ - int _ret; \ + register int _ret asm("2"); \ asm volatile ( \ - LOADARGS_##nr \ "svc %b1\n\t" \ - "lgr %0,%%r2\n\t" \ : "=d" (_ret) \ - : "I" (__NR_##name) ASMFMT_##nr \ - : "memory", "cc", "2", "3", "4", "5", "6"); \ - (int) _ret; }) + : "i" (__NR_##name) ASMFMT_##nr \ + : "memory" ); \ + _ret; }) #undef INTERNAL_SYSCALL_ERROR_P #define INTERNAL_SYSCALL_ERROR_P(val, err) \ @@ -145,32 +143,25 @@ #define DECLARGS_0() #define DECLARGS_1(arg1) \ - unsigned long gpr2 = (unsigned long) (arg1); + register unsigned long gpr2 asm ("2") = (unsigned long)(arg1); #define DECLARGS_2(arg1, arg2) \ DECLARGS_1(arg1) \ - unsigned long gpr3 = (unsigned long) (arg2); + register unsigned long gpr3 asm ("3") = (unsigned long)(arg2); #define DECLARGS_3(arg1, arg2, arg3) \ DECLARGS_2(arg1, arg2) \ - unsigned long gpr4 = (unsigned long) (arg3); + register unsigned long gpr4 asm ("4") = (unsigned long)(arg3); #define DECLARGS_4(arg1, arg2, arg3, arg4) \ DECLARGS_3(arg1, arg2, arg3) \ - unsigned long gpr5 = (unsigned long) (arg4); + register unsigned long gpr5 asm ("5") = (unsigned long)(arg4); #define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ DECLARGS_4(arg1, arg2, arg3, arg4) \ - unsigned long gpr6 = (unsigned long) (arg5); - -#define LOADARGS_0 -#define LOADARGS_1 "LG 2,%2\n\t" -#define LOADARGS_2 LOADARGS_1 "LG 3,%3\n\t" -#define LOADARGS_3 LOADARGS_2 "LG 4,%4\n\t" -#define LOADARGS_4 LOADARGS_3 "LG 5,%5\n\t" -#define LOADARGS_5 LOADARGS_4 "LG 6,%6\n\t" + register unsigned long gpr6 asm ("6") = (unsigned long)(arg5); #define ASMFMT_0 -#define ASMFMT_1 , "m" (gpr2) -#define ASMFMT_2 , "m" (gpr2), "m" (gpr3) -#define ASMFMT_3 , "m" (gpr2), "m" (gpr3), "m" (gpr4) -#define ASMFMT_4 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5) -#define ASMFMT_5 , "m" (gpr2), "m" (gpr3), "m" (gpr4), "m" (gpr5), "m" (gpr6) +#define ASMFMT_1 , "0" (gpr2) +#define ASMFMT_2 , "0" (gpr2), "d" (gpr3) +#define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4) +#define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) +#define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) #endif /* _LINUX_S390_SYSDEP_H */ |