sparc64: add basic support

No NPTL, no LDSO support.
Bootup with Busybox Ash in Qemu working.
Testuite shows only two failures, but mksh continue/break
support doesn't work.

111 files changed, 13472 insertions, 1 deletions

diff --git a/libc/sysdeps/linux/common/bits/kernel_sigaction.h b/libc/sysdeps/linux/common/bits/kernel_sigaction.h
index 5c8726058..21e4c9296 100644
--- a/libc/sysdeps/linux/common/bits/kernel_sigaction.h
+++ b/libc/sysdeps/linux/common/bits/kernel_sigaction.h
@@ -19,6 +19,14 @@ struct old_kernel_sigaction {
 	unsigned long sa_flags;
 	void (*sa_restorer)(void);
 };
+
+/* This is the sigaction structure from the Linux 2.1.68 kernel.  */
+struct kernel_sigaction {
+	__sighandler_t k_sa_handler;
+	unsigned long sa_flags;
+	void (*sa_restorer) (void);
+	sigset_t sa_mask;
+};
 #endif
 
 #endif /* _BITS_SIGACTION_STRUCT_H */
diff --git a/libc/sysdeps/linux/common/mmap.c b/libc/sysdeps/linux/common/mmap.c
index cafe756bf..b74fc19ef 100644
--- a/libc/sysdeps/linux/common/mmap.c
+++ b/libc/sysdeps/linux/common/mmap.c
@@ -21,6 +21,7 @@ static _syscall6(void *, _mmap, void *, addr, size_t, len,
 
 #elif defined __NR_mmap2 && defined _syscall6
 
+
 # include <errno.h>
 # include <bits/uClibc_page.h>
 # ifndef MMAP2_PAGE_SHIFT
@@ -51,7 +52,6 @@ static void *_mmap(void *addr, size_t len, int prot, int flags,
 }
 
 #elif defined __NR_mmap
-
 # define __NR___syscall_mmap __NR_mmap
 static __inline__ _syscall1(void *, __syscall_mmap, unsigned long *, buffer)
 
diff --git a/libc/sysdeps/linux/sparc64/Makefile b/libc/sysdeps/linux/sparc64/Makefile
new file mode 100644
index 000000000..633c91f3e
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libc/sysdeps/linux/sparc64/Makefile.arch b/libc/sysdeps/linux/sparc64/Makefile.arch
new file mode 100644
index 000000000..37b539b3b
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/Makefile.arch
@@ -0,0 +1,18 @@
+# Makefile for uClibc-ng
+#
+# Copyright (C) 2017 Waldemar Brodkorb <wbx@uclibc-ng.org>
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+
+CSRC-y := __syscall_error.c sigaction.c
+SSRC-y := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S brk.S fork.S \
+	syscall.S pipe.S vfork.S clone.S
+
+CSRC-y += $(addprefix soft-fp/, \
+	qp_add.c qp_cmp.c qp_cmpe.c qp_div.c qp_dtoq.c qp_feq.c qp_fge.c \
+	qp_fgt.c qp_fle.c qp_flt.c qp_fne.c qp_itoq.c qp_mul.c qp_neg.c \
+	qp_qtod.c qp_qtoi.c qp_qtos.c qp_qtoui.c qp_qtoux.c qp_qtox.c \
+	qp_sqrt.c qp_stoq.c qp_sub.c qp_uitoq.c qp_uxtoq.c qp_xtoq.c qp_util.c)
+
+CSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.c
+SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += getcontext.S setcontext.S swapcontext.S \
+				    __start_context.S
diff --git a/libc/sysdeps/linux/sparc64/__longjmp.S b/libc/sysdeps/linux/sparc64/__longjmp.S
new file mode 100644
index 000000000..79cefcc9d
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/__longjmp.S
@@ -0,0 +1,40 @@
+/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   Contributed by Richard Henderson (rth@tamu.edu).
+
+   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