Add in missing syscalls.h for powerpc

diff --git a/libc/sysdeps/linux/powerpc/bits/syscalls.h b/libc/sysdeps/linux/powerpc/bits/syscalls.h
new file mode 100644 (file)
index 0000000..93c0f3f
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/bits/syscalls.h
@@ -0,0 +1,180 @@
+#include <asm/unistd.h>
+
+#undef __NR
+#define __NR(n)        #n
+
+#undef __syscall_return
+#define __syscall_return(type) \
+       return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
+              (type) __sc_ret
+
+#undef __syscall_clobbers
+#define __syscall_clobbers \
+       "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
+
+#undef _syscall0
+#define _syscall0(type,name)                                           \
+type name(void)                                                                \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+                                                                       \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0)                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1)                                        \
+type name(type1 arg1)                                                  \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+                                                                       \
+               __sc_3 = (unsigned long) (arg1);                        \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0)                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2)                     \
+type name(type1 arg1, type2 arg2)                                      \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+               register unsigned long __sc_4 __asm__ ("r4");           \
+                                                                       \
+               __sc_3 = (unsigned long) (arg1);                        \
+               __sc_4 = (unsigned long) (arg2);                        \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0),               \
+                         "r"   (__sc_4)                                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)          \
+type name(type1 arg1, type2 arg2, type3 arg3)                          \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+               register unsigned long __sc_4 __asm__ ("r4");           \
+               register unsigned long __sc_5 __asm__ ("r5");           \
+                                                                       \
+               __sc_3 = (unsigned long) (arg1);                        \
+               __sc_4 = (unsigned long) (arg2);                        \
+               __sc_5 = (unsigned long) (arg3);                        \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0),               \
+                         "r"   (__sc_4),                               \
+                         "r"   (__sc_5)                                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)              \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+               register unsigned long __sc_4 __asm__ ("r4");           \
+               register unsigned long __sc_5 __asm__ ("r5");           \
+               register unsigned long __sc_6 __asm__ ("r6");           \
+                                                                       \
+               __sc_3 = (unsigned long) (arg1);                        \
+               __sc_4 = (unsigned long) (arg2);                        \
+               __sc_5 = (unsigned long) (arg3);                        \
+               __sc_6 = (unsigned long) (arg4);                        \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0),               \
+                         "r"   (__sc_4),                               \
+                         "r"   (__sc_5),                               \
+                         "r"   (__sc_6)                                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}
+
+#undef _syscall5
+#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)  \
+{                                                                      \
+       unsigned long __sc_ret, __sc_err;                               \
+       {                                                               \
+               register unsigned long __sc_0 __asm__ ("r0");           \
+               register unsigned long __sc_3 __asm__ ("r3");           \
+               register unsigned long __sc_4 __asm__ ("r4");           \
+               register unsigned long __sc_5 __asm__ ("r5");           \
+               register unsigned long __sc_6 __asm__ ("r6");           \
+               register unsigned long __sc_7 __asm__ ("r7");           \
+                                                                       \
+               __sc_3 = (unsigned long) (arg1);                        \
+               __sc_4 = (unsigned long) (arg2);                        \
+               __sc_5 = (unsigned long) (arg3);                        \
+               __sc_6 = (unsigned long) (arg4);                        \
+               __sc_7 = (unsigned long) (arg5);                        \
+               __sc_0 = __NR_##name;                                   \
+               __asm__ __volatile__                                    \
+                       ("sc           \n\t"                            \
+                        "mfcr %1      "                                \
+                       : "=&r" (__sc_3), "=&r" (__sc_0)                \
+                       : "0"   (__sc_3), "1"   (__sc_0),               \
+                         "r"   (__sc_4),                               \
+                         "r"   (__sc_5),                               \
+                         "r"   (__sc_6),                               \
+                         "r"   (__sc_7)                                \
+                       : __syscall_clobbers);                          \
+               __sc_ret = __sc_3;                                      \
+               __sc_err = __sc_0;                                      \
+       }                                                               \
+       __syscall_return (type);                                        \
+}