diff options
| -rw-r--r-- | ldso/ldso/sparc/dl-syscalls.h | 241 |
1 files changed, 120 insertions, 121 deletions
diff --git a/ldso/ldso/sparc/dl-syscalls.h b/ldso/ldso/sparc/dl-syscalls.h index cf21061fd..1ae85ed88 100644 --- a/ldso/ldso/sparc/dl-syscalls.h +++ b/ldso/ldso/sparc/dl-syscalls.h @@ -1,6 +1,9 @@ /* * This file contains the system call macros and syscall * numbers used by the shared library loader. + * + * NOTE: This should be integrated/moved to + * sysdeps/linux/sparc/bits/syscalls.h at some point ... */ #define __NR_exit 1 @@ -13,7 +16,7 @@ #define __NR_getgid 47 #define __NR_geteuid 49 #define __NR_getegid 50 -#define __NR_readlink 58 +#define __NR_readlink 58 #define __NR_mmap 71 #define __NR_munmap 73 #define __NR_stat 38 @@ -22,165 +25,161 @@ /* We can't use the real errno in ldso, since it has not yet * been dynamicly linked in yet. */ extern int _dl_errno; +#define __set_errno(X) {(_dl_errno) = (X);} /* Here are the macros which define how this platform makes * system calls. This particular variant does _not_ set - * errno (note how it is disabled in __syscall_return) since + * errno (note how _dl_errno is used in __syscall_return) since * these will get called before the errno symbol is dynamicly * linked. */ +#define __syscall_return(type, res) \ +do { \ + if (res < -255 || res >= 0) \ + return (type) res; \ + __set_errno(-res); \ + res = -1; \ + return (type) res; \ +} while (0) + #define _syscall0(type,name) \ type name(void) \ { \ -long __res; \ -register long __g1 __asm__ ("g1") = __NR_##name; \ -__asm__ __volatile__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res)\ - : "r" (__g1) \ - : "o0", "cc"); \ -if (__res < -255 || __res >= 0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + long __res; \ + register long __g1 __asm__ ("g1") = __NR_##name; \ + __asm__ __volatile__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res)\ + : "r" (__g1) \ + : "o0", "cc"); \ + __syscall_return(type, __res); \ } #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ -long __res; \ -register long __g1 __asm__ ("g1") = __NR_##name; \ -register long __o0 __asm__ ("o0") = (long)(arg1); \ -__asm__ __volatile__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res >= 0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + long __res; \ + register long __g1 __asm__ ("g1") = __NR_##name; \ + register long __o0 __asm__ ("o0") = (long)(arg1); \ + __asm__ __volatile__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 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__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__o1), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res >= 0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + 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__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 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__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res>=0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + 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__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 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__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res>=0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + 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__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } #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) \ { \ -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__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res>=0) \ - return (type) __res; \ -_dl_errno = -__res; \ -return -1; \ + 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__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } #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) \ { \ -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__ ("t 0x10\n\t" \ - "bcc 1f\n\t" \ - "mov %%o0, %0\n\t" \ - "sub %%g0, %%o0, %0\n\t" \ - "1:\n\t" \ - : "=r" (__res), "=&r" (__o0) \ - : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__o5), "r" (__g1) \ - : "cc"); \ -if (__res < -255 || __res>=0) \ - return (type) __res; \ -/*errno = -__res; */\ -return -1; \ + 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__ ( \ + "t 0x10\n\t" \ + "bcc 1f\n\t" \ + "mov %%o0, %0\n\t" \ + "sub %%g0, %%o0, %0\n\t" \ + "1:\n\t" \ + : "=r" (__res), "=&r" (__o0) \ + : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__o5), "r" (__g1) \ + : "cc"); \ + __syscall_return(type, __res); \ } |