(INLINE_SYSCALL): Add implementation.

diff --git a/sysdeps/unix/sysv/linux/arm/sysdep.h b/sysdeps/unix/sysv/linux/arm/sysdep.h
index 5972aba..d7e2822 100644 (file)
--- a/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -104,6 +104,52 @@
 #define UNDOARGS_4 /* nothing */
 #define UNDOARGS_5 ldr r4, [sp];
 
+#else /* not __ASSEMBLER__ */
+
+/* Define a macro which expands into the inline wrapper code for a system
+   call.  */
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...)                      \
+  ({ unsigned int _sys_result;                                 \
+     {                                                         \
+       register int _a1 asm ("a1");                            \
+       LOAD_ARGS_##nr (args)                                   \
+       asm volatile ("swi %1"                                  \
+                    : "=r" (_a1)                               \
+                    : "i" (SYS_ify(name)) ASM_ARGS_##nr        \
+                    : "a1");                                   \
+       _sys_result = _a1;                                      \
+     }                                                         \
+     if (_sys_result >= (unsigned int) -4095)                  \
+       {                                                       \
+        __set_errno (-_sys_result);                            \
+        _sys_result = (unsigned int) -1;                       \
+       }                                                       \
+     (int) _sys_result; })
+
+#define LOAD_ARGS_0()
+#define ASM_ARGS_0
+#define LOAD_ARGS_1(a1)                                \
+  _a1 = (int) (a1);                            \
+  LOAD_ARGS_0 ()
+#define ASM_ARGS_1     ASM_ARGS_0, "r" (_a1)
+#define LOAD_ARGS_2(a1, a2)                    \
+  register int _a2 asm ("a2") = (int) (a2);    \
+  LOAD_ARGS_1 (a1)
+#define ASM_ARGS_2     ASM_ARGS_1, "r" (_a2)
+#define LOAD_ARGS_3(a1, a2, a3)                        \
+  register int _a3 asm ("a3") = (int) (a3);    \
+  LOAD_ARGS_2 (a1, a2)
+#define ASM_ARGS_3     ASM_ARGS_2, "r" (_a3)
+#define LOAD_ARGS_4(a1, a2, a3, a4)            \
+  register int _a4 asm ("a4") = (int) (a4);    \
+  LOAD_ARGS_3 (a1, a2, a3)
+#define ASM_ARGS_4     ASM_ARGS_3, "r" (_a4)
+#define LOAD_ARGS_5(a1, a2, a3, a4, a5)                \
+  register int _v1 asm ("v1") = (int) (a5);    \
+  LOAD_ARGS_4 (a1, a2, a3, a4)
+#define ASM_ARGS_5     ASM_ARGS_4, "r" (_v1)
+
 #endif /* __ASSEMBLER__ */
 
 #endif /* linux/arm/sysdep.h */