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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sysdep.h89
1 files changed, 53 insertions, 36 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sysdep.h
index 101638a53f..f69e1a92ff 100644
--- a/sysdeps/unix/sysv/linux/sparc/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sysdep.h
@@ -21,101 +21,109 @@
#define _LINUX_SPARC_SYSDEP_H 1
#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
- inline_syscall##nr(__SYSCALL_STRING, __NR_##name, args)
+#define INLINE_SYSCALL(name, nr, args...) \
+({ INTERNAL_SYSCALL_DECL(err); \
+ unsigned int resultvar = INTERNAL_SYSCALL(name, err, nr, args); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, err), 0)) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, err)); \
+ resultvar = 0xffffffff; \
+ } \
+ (int) resultvar; \
+})
#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+#define INTERNAL_SYSCALL_DECL(err) \
+ register long err __asm__("g1");
#undef INTERNAL_SYSCALL
#define INTERNAL_SYSCALL(name, err, nr, args...) \
- inline_syscall##nr(__INTERNAL_SYSCALL_STRING, __NR_##name, args)
+ inline_syscall##nr(__SYSCALL_STRING, err, __NR_##name, args)
#undef INTERNAL_SYSCALL_NCS
#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
- inline_syscall##nr(__INTERNAL_SYSCALL_STRING, name, args)
+ inline_syscall##nr(__SYSCALL_STRING, err, name, args)
#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
- ((unsigned long) (val) >= -515L)
+#define INTERNAL_SYSCALL_ERROR_P(val, err) ((err) != 0)
#undef INTERNAL_SYSCALL_ERRNO
#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
-#define inline_syscall0(string,name,dummy...) \
+#define inline_syscall0(string,err,name,dummy...) \
({ \
register long __o0 __asm__ ("o0"); \
- register long __g1 __asm__ ("g1") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1) : \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall1(string,name,arg1) \
+#define inline_syscall1(string,err,name,arg1) \
({ \
register long __o0 __asm__ ("o0") = (long)(arg1); \
- register long __g1 __asm__ ("g1") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0) : \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall2(string,name,arg1,arg2) \
+#define inline_syscall2(string,err,name,arg1,arg2) \
({ \
register long __o0 __asm__ ("o0") = (long)(arg1); \
register long __o1 __asm__ ("o1") = (long)(arg2); \
- register long __g1 __asm__ ("g1") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0), "r" (__o1) : \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0), "r" (__o1) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall3(string,name,arg1,arg2,arg3) \
+#define inline_syscall3(string,err,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") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0), "r" (__o1), \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0), "r" (__o1), \
"r" (__o2) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall4(string,name,arg1,arg2,arg3,arg4) \
+#define inline_syscall4(string,err,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") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0), "r" (__o1), \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0), "r" (__o1), \
"r" (__o2), "r" (__o3) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall5(string,name,arg1,arg2,arg3,arg4,arg5) \
+#define inline_syscall5(string,err,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") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0), "r" (__o1), \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0), "r" (__o1), \
"r" (__o2), "r" (__o3), "r" (__o4) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
-#define inline_syscall6(string,name,arg1,arg2,arg3,arg4,arg5,arg6) \
+#define inline_syscall6(string,err,name,arg1,arg2,arg3,arg4,arg5,arg6) \
({ \
register long __o0 __asm__ ("o0") = (long)(arg1); \
register long __o1 __asm__ ("o1") = (long)(arg2); \
@@ -123,9 +131,9 @@
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") = name; \
- __asm __volatile (string : "=r" (__g1), "=r" (__o0) : \
- "0" (__g1), "1" (__o0), "r" (__o1), \
+ err = name; \
+ __asm __volatile (string : "=r" (err), "=r" (__o0) : \
+ "0" (err), "1" (__o0), "r" (__o1), \
"r" (__o2), "r" (__o3), "r" (__o4), \
"r" (__o5) : \
__SYSCALL_CLOBBERS); \
@@ -140,11 +148,20 @@
register long __o3 __asm__ ("o3") = (long)(arg4); \
register long __o4 __asm__ ("o4") = (long)(arg5); \
register long __g1 __asm__ ("g1") = __NR_clone; \
- __asm __volatile (__CLONE_SYSCALL_STRING : \
+ __asm __volatile (__SYSCALL_STRING : \
"=r" (__g1), "=r" (__o0), "=r" (__o1) : \
"0" (__g1), "1" (__o0), "2" (__o1), \
"r" (__o2), "r" (__o3), "r" (__o4) : \
__SYSCALL_CLOBBERS); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (__o0, __g1), 0)) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (__o0, __g1)); \
+ __o0 = -1L; \
+ } \
+ else \
+ { \
+ __o0 &= (__o1 - 1); \
+ } \
__o0; \
})
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