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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 35b8a58..aeec279 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)