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authorUlrich Drepper <drepper@redhat.com>2004-09-24 07:18:48 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-24 07:18:48 +0000
commit362038b0cab33f8e61ada54aaaf4312e44a0922b (patch)
treefa5a5c729c0160ef441981e4ecb66ec381cb8fe8 /sysdeps
parent8f1913a918177f148909281322f2f0638472fed3 (diff)
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Update.
2004-09-23  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/unix/sysv/linux/sh/sysdep.h (INTERNAL_SYSCALL_NCS): Define.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/sh/sysdep.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h
index 35b8a58afa..aeec279de0 100644
--- a/sysdeps/unix/sysv/linux/sh/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sh/sysdep.h
@@ -333,6 +333,20 @@
 									      \
     (int) resultvar; })
 
+/* The _NCS variant allows non-constant syscall numbers.  */
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+  ({									      \
+    unsigned long int resultvar;					      \
+    register long int r3 asm ("%r3") = (name);			 	      \
+    SUBSTITUTE_ARGS_##nr(args);						      \
+									      \
+    asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD			      \
+		  : "=z" (resultvar)					      \
+		  : "r" (r3) ASMFMT_##nr				      \
+		  : "memory");						      \
+									      \
+    (int) resultvar; })
+
 #undef INTERNAL_SYSCALL_DECL
 #define INTERNAL_SYSCALL_DECL(err) do { } while (0)