diff options
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r-- | libc/sysdeps/linux/sparc/bits/syscalls.h | 236 |
1 files changed, 99 insertions, 137 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/syscalls.h b/libc/sysdeps/linux/sparc/bits/syscalls.h index ddd8e5f6b..6399a5c0a 100644 --- a/libc/sysdeps/linux/sparc/bits/syscalls.h +++ b/libc/sysdeps/linux/sparc/bits/syscalls.h @@ -4,6 +4,10 @@ # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." #endif +#define __UCLIBC_MMAP_HAS_6_ARGS__ + +#include <bits/wordsize.h> + /* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel * header files. It also defines the traditional `SYS_<name>' macros for older * programs. */ @@ -13,47 +17,106 @@ # define __set_errno(val) (*__errno_location ()) = (val) #endif -/* - macros taken from glibc-2.3/sysdeps/unix/sysv/linux/sparc/sysdep.h - Copyright (C) 2000, 2002 Free Software Foundation, Inc. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2000. -*/ - #ifndef __ASSEMBLER__ +#undef __SYSCALL_STRING +#if __WORDSIZE == 32 +# define __SYSCALL_STRING \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" +# define __SYSCALL_RES_CHECK (__res < -255 || __res >= 0) +#elif __WORDSIZE == 64 +# define __SYSCALL_STRING \ + "t 0x6d\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "movcc %%xcc, %%o0, %0\n\t" +# define __SYSCALL_RES_CHECK (__res >= 0) +#else +# error unknown __WORDSIZE +#endif + +#define __SYSCALL_RETURN(type) \ + if (__SYSCALL_RES_CHECK) \ + return (type) __res; \ + __set_errno (-__res); \ + return (type) -1; + #undef _syscall0 #define _syscall0(type,name) \ type name(void) \ { \ -return (type) (INLINE_SYSCALL(name, 0)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res)\ + : "r" (__g1) \ + : "o0", "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall1 #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ -return (type) (INLINE_SYSCALL(name, 1, arg1)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall2 #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ -return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +register long __o1 __asm__ ("o1") = (long)(arg2); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall3 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ -return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +register long __o1 __asm__ ("o1") = (long)(arg2); \ +register long __o2 __asm__ ("o2") = (long)(arg3); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall4 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ -return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +register long __o1 __asm__ ("o1") = (long)(arg2); \ +register long __o2 __asm__ ("o2") = (long)(arg3); \ +register long __o3 __asm__ ("o3") = (long)(arg4); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall5 @@ -61,7 +124,18 @@ return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \ type5,arg5) \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ { \ -return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +register long __o1 __asm__ ("o1") = (long)(arg2); \ +register long __o2 __asm__ ("o2") = (long)(arg3); \ +register long __o3 __asm__ ("o3") = (long)(arg4); \ +register long __o4 __asm__ ("o4") = (long)(arg5); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } #undef _syscall6 @@ -69,132 +143,20 @@ return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \ type5,arg5,type6,arg6) \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \ { \ -return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \ +long __res; \ +register long __g1 __asm__ ("g1") = __NR_##name; \ +register long __o0 __asm__ ("o0") = (long)(arg1); \ +register long __o1 __asm__ ("o1") = (long)(arg2); \ +register long __o2 __asm__ ("o2") = (long)(arg3); \ +register long __o3 __asm__ ("o3") = (long)(arg4); \ +register long __o4 __asm__ ("o4") = (long)(arg5); \ +register long __o5 __asm__ ("o5") = (long)(arg6); \ +__asm__ __volatile__ (__SYSCALL_STRING \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__o5), "r" (__g1) \ + : "cc"); \ +__SYSCALL_RETURN(type) \ } -#undef _syscall7 -#define _syscall7(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6,type7,arg7) \ -type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6,type7 arg7) \ -{ \ -return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)); \ -} - -#define __SYSCALL_STRING \ - "ta 0x10;" \ - "bcs 2f;" \ - " nop;" \ - "1:" \ - ".subsection 2;" \ - "2:" \ - "save %%sp, -192, %%sp;" \ - "call __errno_location;" \ - " nop;" \ - "st %%i0,[%%o0];" \ - "ba 1b;" \ - " restore %%g0, -1, %%o0;" \ - ".previous;" - -#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7", \ - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \ - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \ - "cc", "memory" - -#undef INLINE_SYSCALL -#define INLINE_SYSCALL(name, nr, args...) _INLINE_SYSCALL##nr(name, args) - -#define _INLINE_SYSCALL0(name,dummy...) \ -({ \ - register long __o0 __asm__ ("o0"); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL1(name,arg1) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL2(name,arg1,arg2) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __o1 __asm__ ("o1") = (long)(arg2); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0), "r" (__o1) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL3(name,arg1,arg2,arg3) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __o1 __asm__ ("o1") = (long)(arg2); \ - register long __o2 __asm__ ("o2") = (long)(arg3); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0), "r" (__o1), \ - "r" (__o2) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL4(name,arg1,arg2,arg3,arg4) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __o1 __asm__ ("o1") = (long)(arg2); \ - register long __o2 __asm__ ("o2") = (long)(arg3); \ - register long __o3 __asm__ ("o3") = (long)(arg4); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0), "r" (__o1), \ - "r" (__o2), "r" (__o3) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL5(name,arg1,arg2,arg3,arg4,arg5) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __o1 __asm__ ("o1") = (long)(arg2); \ - register long __o2 __asm__ ("o2") = (long)(arg3); \ - register long __o3 __asm__ ("o3") = (long)(arg4); \ - register long __o4 __asm__ ("o4") = (long)(arg5); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0), "r" (__o1), \ - "r" (__o2), "r" (__o3), "r" (__o4) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - -#define _INLINE_SYSCALL6(name,arg1,arg2,arg3,arg4,arg5,arg6) \ -({ \ - register long __o0 __asm__ ("o0") = (long)(arg1); \ - register long __o1 __asm__ ("o1") = (long)(arg2); \ - register long __o2 __asm__ ("o2") = (long)(arg3); \ - register long __o3 __asm__ ("o3") = (long)(arg4); \ - register long __o4 __asm__ ("o4") = (long)(arg5); \ - register long __o5 __asm__ ("o5") = (long)(arg6); \ - register long __g1 __asm__ ("g1") = __NR_##name; \ - __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \ - "0" (__g1), "1" (__o0), "r" (__o1), \ - "r" (__o2), "r" (__o3), "r" (__o4), \ - "r" (__o5) : \ - __SYSCALL_CLOBBERS); \ - __o0; \ -}) - #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ - |