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-rw-r--r--ldso/ldso/sparc/dl-syscalls.h241
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); \
}
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