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- /*
- * 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 MMAP_HAS_6_ARGS
- #define __NR_exit 1
- #define __NR_read 3
- #define __NR_write 4
- #define __NR_open 5
- #define __NR_close 6
- #define __NR_getpid 20
- #define __NR_getuid 24
- #define __NR_getgid 47
- #define __NR_geteuid 49
- #define __NR_getegid 50
- #define __NR_readlink 58
- #define __NR_mmap 71
- #define __NR_munmap 73
- #define __NR_stat 38
- #define __NR_mprotect 74
- /* 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 _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"); \
- __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"); \
- __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"); \
- __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"); \
- __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"); \
- __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"); \
- __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"); \
- __syscall_return(type, __res); \
- }
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