From b387d762361e6c109c6a60bced003e72447b0a33 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 3 Jul 2009 16:44:59 -0400 Subject: syscall: unify common syscall defines Unify all the common syscall defines in syscalls-common.h and scrub all the duplicated code from relevant ports. This should also make converting existing ports to INLINE_SYSCALL() much easier as they don't have to get lost in all the unrelated noise, as well as creating new ports. Signed-off-by: Mike Frysinger --- libc/sysdeps/linux/sh/bits/syscalls.h | 134 ---------------------------------- 1 file changed, 134 deletions(-) (limited to 'libc/sysdeps/linux/sh/bits') diff --git a/libc/sysdeps/linux/sh/bits/syscalls.h b/libc/sysdeps/linux/sh/bits/syscalls.h index 8b0fb355f..6e7ddbb3c 100644 --- a/libc/sysdeps/linux/sh/bits/syscalls.h +++ b/libc/sysdeps/linux/sh/bits/syscalls.h @@ -15,131 +15,6 @@ #include -#define SYS_ify(syscall_name) (__NR_##syscall_name) - -/* user-visible error numbers are in the range -1 - -125: see */ -#define __syscall_return(type, res) \ -do { \ - if ((unsigned long)(res) >= (unsigned long)(-125)) { \ - /* Avoid using "res" which is declared to be in register r0; \ - errno might expand to a function call and clobber it. */ \ - int __err = -(res); \ - __set_errno(__err); \ - res = -1; \ - } \ - return (type) (res); \ -} while (0) - -/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ -#define _syscall0(type,name) \ -type name(void) \ -{ \ -register long __sc0 __asm__ ("r3") = __NR_##name; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE), "0" (__sc0) \ - : "memory" ); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ -register long __sc0 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 1), "0" (__sc0), "r" (__sc4) \ - : "memory"); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ -register long __sc0 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -register long __sc5 __asm__ ("r5") = (long) arg2; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 2), "0" (__sc0), "r" (__sc4), \ - "r" (__sc5) \ - : "memory"); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ -register long __sc0 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -register long __sc5 __asm__ ("r5") = (long) arg2; \ -register long __sc6 __asm__ ("r6") = (long) arg3; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 3), "0" (__sc0), "r" (__sc4), \ - "r" (__sc5), "r" (__sc6) \ - : "memory"); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ -register long __sc0 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -register long __sc5 __asm__ ("r5") = (long) arg2; \ -register long __sc6 __asm__ ("r6") = (long) arg3; \ -register long __sc7 __asm__ ("r7") = (long) arg4; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 4), "0" (__sc0), "r" (__sc4), \ - "r" (__sc5), "r" (__sc6), \ - "r" (__sc7) \ - : "memory" ); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ -{ \ -register long __sc3 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -register long __sc5 __asm__ ("r5") = (long) arg2; \ -register long __sc6 __asm__ ("r6") = (long) arg3; \ -register long __sc7 __asm__ ("r7") = (long) arg4; \ -register long __sc0 __asm__ ("r0") = (long) arg5; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL_TRAP_BASE + 5), "0" (__sc0), "r" (__sc4), \ - "r" (__sc5), "r" (__sc6), "r" (__sc7), "r" (__sc3) \ - : "memory" ); \ -__syscall_return(type,__sc0); \ -} - -#ifndef __SH_SYSCALL6_TRAPA -#define __SH_SYSCALL6_TRAPA __SH_SYSCALL_TRAP_BASE + 6 -#endif - -/* Add in _syscall6 which is not in the kernel header */ -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ -{ \ -register long __sc3 __asm__ ("r3") = __NR_##name; \ -register long __sc4 __asm__ ("r4") = (long) arg1; \ -register long __sc5 __asm__ ("r5") = (long) arg2; \ -register long __sc6 __asm__ ("r6") = (long) arg3; \ -register long __sc7 __asm__ ("r7") = (long) arg4; \ -register long __sc0 __asm__ ("r0") = (long) arg5; \ -register long __sc1 __asm__ ("r1") = (long) arg6; \ -__asm__ __volatile__ ("trapa %1" \ - : "=z" (__sc0) \ - : "i" (__SH_SYSCALL6_TRAPA), "0" (__sc0), "r" (__sc4), \ - "r" (__sc5), "r" (__sc6), "r" (__sc7), "r" (__sc3), "r" (__sc1) \ - : "memory" ); \ -__syscall_return(type,__sc0); \ -} - #define SYSCALL_INST_STR(x) "trapa #"__stringify(__SH_SYSCALL_TRAP_BASE + x)"\n\t" #define SYSCALL_INST_STR0 SYSCALL_INST_STR(0) #define SYSCALL_INST_STR1 SYSCALL_INST_STR(1) @@ -237,7 +112,6 @@ __syscall_return(type,__sc0); \ register long int r1 __asm__ ("%r1") = (long int) (_arg6); \ register long int r2 __asm__ ("%r2") = (long int) (_arg7) -#undef INLINE_SYSCALL #define INLINE_SYSCALL(name, nr, args...) \ ({ \ unsigned int __resultvar = INTERNAL_SYSCALL (name, , nr, args); \ @@ -248,7 +122,6 @@ __syscall_return(type,__sc0); \ } \ (int) __resultvar; }) -#undef INTERNAL_SYSCALL #define INTERNAL_SYSCALL(name, err, nr, args...) \ ({ \ unsigned long int resultvar; \ @@ -276,16 +149,9 @@ __syscall_return(type,__sc0); \ \ (int) resultvar; }) -#undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) do { } while (0) - -#undef INTERNAL_SYSCALL_ERROR_P #define INTERNAL_SYSCALL_ERROR_P(val, err) \ ((unsigned int) (val) >= 0xfffff001u) -#undef INTERNAL_SYSCALL_ERRNO -#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) - #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ -- cgit v1.2.3