aboutsummaryrefslogtreecommitdiff
path: root/include/asm-cris/arch-v10/unistd.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-cris/arch-v10/unistd.h')
-rw-r--r--include/asm-cris/arch-v10/unistd.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/unistd.h b/include/asm-cris/arch-v10/unistd.h
new file mode 100644
index 00000000000..d1a38b9e626
--- /dev/null
+++ b/include/asm-cris/arch-v10/unistd.h
@@ -0,0 +1,148 @@
+#ifndef _ASM_CRIS_ARCH_UNISTD_H_
+#define _ASM_CRIS_ARCH_UNISTD_H_
+
+/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
+/*
+ * Don't remove the .ifnc tests; they are an insurance against
+ * any hard-to-spot gcc register allocation bugs.
+ */
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+ register long __a __asm__ ("r10"); \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __b __asm__ ("r11") = (long) arg2; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a), "r" (__b)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __b __asm__ ("r11") = (long) arg2; \
+ register long __c __asm__ ("r12") = (long) arg3; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __b __asm__ ("r11") = (long) arg2; \
+ register long __c __asm__ ("r12") = (long) arg3; \
+ register long __d __asm__ ("r13") = (long) arg4; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a), "r" (__b), \
+ "r" (__c), "r" (__d)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#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) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __b __asm__ ("r11") = (long) arg2; \
+ register long __c __asm__ ("r12") = (long) arg3; \
+ register long __d __asm__ ("r13") = (long) arg4; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "move %6,$mof\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a), "r" (__b), \
+ "r" (__c), "r" (__d), "g" (arg5)); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#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) \
+{ \
+ register long __a __asm__ ("r10") = (long) arg1; \
+ register long __b __asm__ ("r11") = (long) arg2; \
+ register long __c __asm__ ("r12") = (long) arg3; \
+ register long __d __asm__ ("r13") = (long) arg4; \
+ register long __n_ __asm__ ("r9") = (__NR_##name); \
+ __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
+ ".err\n\t" \
+ ".endif\n\t" \
+ "move %6,$mof\n\tmove %7,$srp\n\t" \
+ "break 13" \
+ : "=r" (__a) \
+ : "r" (__n_), "0" (__a), "r" (__b), \
+ "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\
+ : "srp"); \
+ if (__a >= 0) \
+ return (type) __a; \
+ errno = -__a; \
+ return (type) -1; \
+}
+
+#endif