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authorUlrich Drepper <drepper@redhat.com>2007-08-12 19:03:54 +0000
committerUlrich Drepper <drepper@redhat.com>2007-08-12 19:03:54 +0000
commit75fb247e69ede25fb49929fed7535a091a4f6934 (patch)
treee6c12e73f076abaf5ada25e46159653c12943bcf /sysdeps/unix
parentf47e26262413494427a5c510cb0d2ef3bbbf890f (diff)
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* sysdeps/unix/sysv/linux/powerpc/dl-vdso.c: Move to...
* sysdeps/unix/sysv/linux/dl-vdso.c: ...here. * sysdeps/unix/sysv/linux/powerpc/dl-vdso.h: Move to... * sysdeps/unix/sysv/linux/dl-vdso.h: ...here. * csu/libc-start.c: Pretty printing. Use VDSO_SETUP if defined. * sysdeps/unix/sysv/linux/powerpc/libc-start.c: Define VDSO_SETUP and let generic code call into _libc_vdso_platform_setup. * sysdeps/unix/sysv/linux/x86_64/libc-start.c: New file. * sysdeps/unix/sysv/linux/x86_64/bits/libc-vdso.h: New file. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Pretty printing. Define INLINE_VSYSCALL and INTERNAL_VSYSCALL. * sysdeps/unix/sysv/linux/x86_64/Versions: Export __vdso_clock_gettime for GLIBC_PRIVATE. * sysdeps/unix/sysv/linux/x86_64/Makefile [subdir=elf] (sysdep_rountines): Add dl-vdso. * sysdeps/unix/sysv/linux/powerpc/Makefile: Use sysdep_routines instead of routines. * sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h: Add attribute_hidden to __vdso_gettimeofday prototype.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/dl-vdso.c (renamed from sysdeps/unix/sysv/linux/powerpc/dl-vdso.c)0
-rw-r--r--sysdeps/unix/sysv/linux/dl-vdso.h (renamed from sysdeps/unix/sysv/linux/powerpc/dl-vdso.h)0
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/libc-start.c42
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/Makefile4
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/Versions3
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/bits/libc-vdso.h35
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/libc-start.c39
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sysdep.h206
10 files changed, 234 insertions, 99 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.c b/sysdeps/unix/sysv/linux/dl-vdso.c
index e1be097734..e1be097734 100644
--- a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.c
+++ b/sysdeps/unix/sysv/linux/dl-vdso.c
diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.h b/sysdeps/unix/sysv/linux/dl-vdso.h
index a7dcb2e5ff..a7dcb2e5ff 100644
--- a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.h
+++ b/sysdeps/unix/sysv/linux/dl-vdso.h
diff --git a/sysdeps/unix/sysv/linux/powerpc/Makefile b/sysdeps/unix/sysv/linux/powerpc/Makefile
index ecd8057951..d1281cf469 100644
--- a/sysdeps/unix/sysv/linux/powerpc/Makefile
+++ b/sysdeps/unix/sysv/linux/powerpc/Makefile
@@ -8,5 +8,5 @@ gen-as-const-headers += ucontext_i.sym
endif
ifeq ($(subdir),elf)
-routines += dl-vdso
+sysdep_routines += dl-vdso
endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
index f20a5a175c..746d9ced4a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h
@@ -23,7 +23,7 @@
#ifdef SHARED
-extern void *__vdso_gettimeofday;
+extern void *__vdso_gettimeofday attribute_hidden;
extern void *__vdso_clock_gettime;
diff --git a/sysdeps/unix/sysv/linux/powerpc/libc-start.c b/sysdeps/unix/sysv/linux/powerpc/libc-start.c
index a71cfa5b06..d78876d40d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/libc-start.c
+++ b/sysdeps/unix/sysv/linux/powerpc/libc-start.c
@@ -24,23 +24,6 @@
#include <bp-start.h>
#include <bp-sym.h>
-int __cache_line_size attribute_hidden;
-/* The main work is done in the generic function. */
-#define LIBC_START_MAIN generic_start_main
-#define LIBC_START_DISABLE_INLINE
-#define LIBC_START_MAIN_AUXVEC_ARG
-#define MAIN_AUXVEC_ARG
-#define INIT_MAIN_ARGS
-#include <csu/libc-start.c>
-
-struct startup_info
- {
- void *__unbounded sda_base;
- int (*main) (int, char **, char **, void *);
- int (*init) (int, char **, char **, void *);
- void (*fini) (void);
- };
-
#ifdef SHARED
# include <sys/time.h>
@@ -69,8 +52,28 @@ static inline void _libc_vdso_platform_setup (void)
__vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_vdso_get_tbfreq",
"LINUX_2.6.15");
}
+
+# define VDSO_SETUP _libc_vdso_platform_setup
#endif
+
+int __cache_line_size attribute_hidden;
+/* The main work is done in the generic function. */
+#define LIBC_START_MAIN generic_start_main
+#define LIBC_START_DISABLE_INLINE
+#define LIBC_START_MAIN_AUXVEC_ARG
+#define MAIN_AUXVEC_ARG
+#define INIT_MAIN_ARGS
+#include <csu/libc-start.c>
+
+struct startup_info
+ {
+ void *__unbounded sda_base;
+ int (*main) (int, char **, char **, void *);
+ int (*init) (int, char **, char **, void *);
+ void (*fini) (void);
+ };
+
int
/* GKM FIXME: GCC: this should get __BP_ prefix by virtue of the
BPs in the arglist of startup_info.main and startup_info.init. */
@@ -117,10 +120,7 @@ int
__cache_line_size = av->a_un.a_val;
break;
}
-#ifdef SHARED
- /* Resolve and initialize function pointers for VDSO functions. */
- _libc_vdso_platform_setup ();
-#endif
+
return generic_start_main (stinfo->main, argc, ubp_av, auxvec,
stinfo->init, stinfo->fini, rtld_fini,
stack_on_entry);
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile
index bdad5063df..6e2741a967 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -13,3 +13,7 @@ endif
ifeq ($(subdir),csu)
gen-as-const-headers += ucontext_i.sym
endif
+
+ifeq ($(subdir),elf)
+sysdep_routines += dl-vdso
+endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/Versions b/sysdeps/unix/sysv/linux/x86_64/Versions
index fd1b3cc296..34c100bfd2 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Versions
+++ b/sysdeps/unix/sysv/linux/x86_64/Versions
@@ -6,4 +6,7 @@ libc {
modify_ldt;
}
+ GLIBC_PRIVATE {
+ __vdso_clock_gettime;
+ }
}
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/libc-vdso.h b/sysdeps/unix/sysv/linux/x86_64/bits/libc-vdso.h
new file mode 100644
index 0000000000..6e08d3b203
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/libc-vdso.h
@@ -0,0 +1,35 @@
+/* Resolve function pointers to VDSO functions.
+ Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _LIBC_VDSO_H
+#define _LIBC_VDSO_H
+
+#include <time.h>
+#include <sys/time.h>
+
+#ifdef SHARED
+
+extern int (*__vdso_gettimeofday) (struct timeval *, void *)
+ attribute_hidden;
+
+extern int (*__vdso_clock_gettime) (clockid_t, struct timespec *);
+
+#endif
+
+#endif /* _LIBC_VDSO_H */
diff --git a/sysdeps/unix/sysv/linux/x86_64/libc-start.c b/sysdeps/unix/sysv/linux/x86_64/libc-start.c
new file mode 100644
index 0000000000..3c95729371
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/libc-start.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifdef SHARED
+# include <dl-vdso.h>
+# include <bits/libc-vdso.h>
+
+int (*__vdso_gettimeofday) (struct timeval *, void *) attribute_hidden;
+
+int (*__vdso_clock_gettime) (clockid_t, struct timespec *);
+
+
+static inline void
+_libc_vdso_platform_setup (void)
+{
+ __vdso_gettimeofday = _dl_vdso_vsym ("gettimeofday", "LINUX_2.6");
+
+ __vdso_clock_gettime = _dl_vdso_vsym ("clock_gettime", "LINUX_2.6");
+}
+
+# define VDSO_SETUP _libc_vdso_platform_setup
+#endif
+
+#include <csu/libc-start.c>
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index 1d9a68a046..61701a2869 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -68,14 +68,14 @@
/* We don't want the label for the error handle to be global when we define
it here. */
-#ifdef PIC
-# define SYSCALL_ERROR_LABEL 0f
-#else
-# define SYSCALL_ERROR_LABEL syscall_error
-#endif
+# ifdef PIC
+# define SYSCALL_ERROR_LABEL 0f
+# else
+# define SYSCALL_ERROR_LABEL syscall_error
+# endif
-#undef PSEUDO
-#define PSEUDO(name, syscall_name, args) \
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args); \
@@ -83,40 +83,40 @@
jae SYSCALL_ERROR_LABEL; \
L(pseudo_end):
-#undef PSEUDO_END
-#define PSEUDO_END(name) \
+# undef PSEUDO_END
+# define PSEUDO_END(name) \
SYSCALL_ERROR_HANDLER \
END (name)
-#undef PSEUDO_NOERRNO
-#define PSEUDO_NOERRNO(name, syscall_name, args) \
+# undef PSEUDO_NOERRNO
+# define PSEUDO_NOERRNO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args)
-#undef PSEUDO_END_NOERRNO
-#define PSEUDO_END_NOERRNO(name) \
+# undef PSEUDO_END_NOERRNO
+# define PSEUDO_END_NOERRNO(name) \
END (name)
-#define ret_NOERRNO ret
+# define ret_NOERRNO ret
-#undef PSEUDO_ERRVAL
-#define PSEUDO_ERRVAL(name, syscall_name, args) \
+# undef PSEUDO_ERRVAL
+# define PSEUDO_ERRVAL(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args); \
negq %rax
-#undef PSEUDO_END_ERRVAL
-#define PSEUDO_END_ERRVAL(name) \
+# undef PSEUDO_END_ERRVAL
+# define PSEUDO_END_ERRVAL(name) \
END (name)
-#define ret_ERRVAL ret
+# define ret_ERRVAL ret
-#ifndef PIC
-#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
-#elif RTLD_PRIVATE_ERRNO
-# define SYSCALL_ERROR_HANDLER \
+# ifndef PIC
+# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
+# elif RTLD_PRIVATE_ERRNO
+# define SYSCALL_ERROR_HANDLER \
0: \
leaq rtld_errno(%rip), %rcx; \
xorl %edx, %edx; \
@@ -124,13 +124,13 @@
movl %edx, (%rcx); \
orq $-1, %rax; \
jmp L(pseudo_end);
-#elif USE___THREAD
-# ifndef NOT_IN_libc
-# define SYSCALL_ERROR_ERRNO __libc_errno
-# else
-# define SYSCALL_ERROR_ERRNO errno
-# endif
-# define SYSCALL_ERROR_HANDLER \
+# elif USE___THREAD
+# ifndef NOT_IN_libc
+# define SYSCALL_ERROR_ERRNO __libc_errno
+# else
+# define SYSCALL_ERROR_ERRNO errno
+# endif
+# define SYSCALL_ERROR_HANDLER \
0: \
movq SYSCALL_ERROR_ERRNO@GOTTPOFF(%rip), %rcx;\
xorl %edx, %edx; \
@@ -138,10 +138,10 @@
movl %edx, %fs:(%rcx); \
orq $-1, %rax; \
jmp L(pseudo_end);
-#elif defined _LIBC_REENTRANT
+# elif defined _LIBC_REENTRANT
/* Store (- %rax) into errno through the GOT.
Note that errno occupies only 4 bytes. */
-# define SYSCALL_ERROR_HANDLER \
+# define SYSCALL_ERROR_HANDLER \
0: \
xorl %edx, %edx; \
subq %rax, %rdx; \
@@ -158,15 +158,15 @@
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
-#else /* Not _LIBC_REENTRANT. */
-# define SYSCALL_ERROR_HANDLER \
+# else /* Not _LIBC_REENTRANT. */
+# define SYSCALL_ERROR_HANDLER \
0:movq errno@GOTPCREL(%RIP), %rcx; \
xorl %edx, %edx; \
subq %rax, %rdx; \
movl %edx, (%rcx); \
orq $-1, %rax; \
jmp L(pseudo_end);
-#endif /* PIC */
+# endif /* PIC */
/* The Linux/x86-64 kernel expects the system call parameters in
registers according to the following table:
@@ -204,25 +204,25 @@
Syscalls of more than 6 arguments are not supported. */
-#undef DO_CALL
-#define DO_CALL(syscall_name, args) \
+# undef DO_CALL
+# define DO_CALL(syscall_name, args) \
DOARGS_##args \
movl $SYS_ify (syscall_name), %eax; \
syscall;
-#define DOARGS_0 /* nothing */
-#define DOARGS_1 /* nothing */
-#define DOARGS_2 /* nothing */
-#define DOARGS_3 /* nothing */
-#define DOARGS_4 movq %rcx, %r10;
-#define DOARGS_5 DOARGS_4
-#define DOARGS_6 DOARGS_5
+# define DOARGS_0 /* nothing */
+# define DOARGS_1 /* nothing */
+# define DOARGS_2 /* nothing */
+# define DOARGS_3 /* nothing */
+# define DOARGS_4 movq %rcx, %r10;
+# define DOARGS_5 DOARGS_4
+# define DOARGS_6 DOARGS_5
#else /* !__ASSEMBLER__ */
/* Define a macro which expands inline into the wrapper code for a system
call. */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
+# undef INLINE_SYSCALL
+# define INLINE_SYSCALL(name, nr, args...) \
({ \
unsigned long resultvar = INTERNAL_SYSCALL (name, , nr, args); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0)) \
@@ -232,10 +232,10 @@
} \
(long) resultvar; })
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+# undef INTERNAL_SYSCALL_DECL
+# define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+# define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
({ \
unsigned long resultvar; \
LOAD_ARGS_##nr (args) \
@@ -245,68 +245,122 @@
: "=a" (resultvar) \
: "0" (name) ASM_ARGS_##nr : "memory", "cc", "r11", "cx"); \
(long) resultvar; })
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
+# undef INTERNAL_SYSCALL
+# define INTERNAL_SYSCALL(name, err, nr, args...) \
INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args)
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
+# undef INTERNAL_SYSCALL_ERROR_P
+# define INTERNAL_SYSCALL_ERROR_P(val, err) \
((unsigned long) (val) >= -4095L)
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+# undef INTERNAL_SYSCALL_ERRNO
+# define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+
+# ifdef SHARED
+# define INLINE_VSYSCALL(name, nr, args...) \
+ ({ \
+ __label__ out; \
+ __label__ iserr; \
+ INTERNAL_SYSCALL_DECL (sc_err); \
+ long int sc_ret; \
+ \
+ if (__vdso_##name != NULL) \
+ { \
+ sc_ret = __vdso_##name (args); \
+ if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \
+ goto out; \
+ if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS) \
+ goto iserr; \
+ } \
+ \
+ sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args); \
+ if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \
+ { \
+ iserr: \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err)); \
+ sc_ret = -1L; \
+ } \
+ out: \
+ sc_ret; \
+ })
+# define INTERNAL_VSYSCALL(name, err, nr, args...) \
+ ({ \
+ __label__ out; \
+ long int v_ret; \
+ \
+ if (__vdso_##name != NULL) \
+ { \
+ v_ret = __vdso_##name (args); \
+ if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err) \
+ || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS) \
+ goto out; \
+ } \
+ v_ret = INTERNAL_SYSCALL (name, err, nr, ##args); \
+ out: \
+ v_ret; \
+ })
+
+/* List of system calls which are supported as vsyscalls. */
+# define HAVE_CLOCK_GETTIME_VSYSCALL 1
+
+# else
+# define INLINE_VSYSCALL(name, nr, args...) \
+ INLINE_SYSCALL (name, nr, ##args)
+# define INTERNAL_VSYSCALL(name, err, nr, args...) \
+ INTERNAL_SYSCALL (name, err, nr, ##args)
+# endif
-#define LOAD_ARGS_0()
-#define LOAD_REGS_0
-#define ASM_ARGS_0
+# define LOAD_ARGS_0()
+# define LOAD_REGS_0
+# define ASM_ARGS_0
-#define LOAD_ARGS_1(a1) \
+# define LOAD_ARGS_1(a1) \
long int __arg1 = (long) (a1); \
LOAD_ARGS_0 ()
-#define LOAD_REGS_1 \
+# define LOAD_REGS_1 \
register long int _a1 asm ("rdi") = __arg1; \
LOAD_REGS_0
-#define ASM_ARGS_1 ASM_ARGS_0, "r" (_a1)
+# define ASM_ARGS_1 ASM_ARGS_0, "r" (_a1)
-#define LOAD_ARGS_2(a1, a2) \
+# define LOAD_ARGS_2(a1, a2) \
long int __arg2 = (long) (a2); \
LOAD_ARGS_1 (a1)
-#define LOAD_REGS_2 \
+# define LOAD_REGS_2 \
register long int _a2 asm ("rsi") = __arg2; \
LOAD_REGS_1
-#define ASM_ARGS_2 ASM_ARGS_1, "r" (_a2)
+# define ASM_ARGS_2 ASM_ARGS_1, "r" (_a2)
-#define LOAD_ARGS_3(a1, a2, a3) \
+# define LOAD_ARGS_3(a1, a2, a3) \
long int __arg3 = (long) (a3); \
LOAD_ARGS_2 (a1, a2)
-#define LOAD_REGS_3 \
+# define LOAD_REGS_3 \
register long int _a3 asm ("rdx") = __arg3; \
LOAD_REGS_2
-#define ASM_ARGS_3 ASM_ARGS_2, "r" (_a3)
+# define ASM_ARGS_3 ASM_ARGS_2, "r" (_a3)
-#define LOAD_ARGS_4(a1, a2, a3, a4) \
+# define LOAD_ARGS_4(a1, a2, a3, a4) \
long int __arg4 = (long) (a4); \
LOAD_ARGS_3 (a1, a2, a3)
-#define LOAD_REGS_4 \
+# define LOAD_REGS_4 \
register long int _a4 asm ("r10") = __arg4; \
LOAD_REGS_3
-#define ASM_ARGS_4 ASM_ARGS_3, "r" (_a4)
+# define ASM_ARGS_4 ASM_ARGS_3, "r" (_a4)
-#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
+# define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
long int __arg5 = (long) (a5); \
LOAD_ARGS_4 (a1, a2, a3, a4)
-#define LOAD_REGS_5 \
+# define LOAD_REGS_5 \
register long int _a5 asm ("r8") = __arg5; \
LOAD_REGS_4
-#define ASM_ARGS_5 ASM_ARGS_4, "r" (_a5)
+# define ASM_ARGS_5 ASM_ARGS_4, "r" (_a5)
-#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
+# define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
long int __arg6 = (long) (a6); \
LOAD_ARGS_5 (a1, a2, a3, a4, a5)
-#define LOAD_REGS_6 \
+# define LOAD_REGS_6 \
register long int _a6 asm ("r9") = __arg6; \
LOAD_REGS_5
-#define ASM_ARGS_6 ASM_ARGS_5, "r" (_a6)
+# define ASM_ARGS_6 ASM_ARGS_5, "r" (_a6)
#endif /* __ASSEMBLER__ */