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.

1 files changed, 83 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/sparc64/sys/user.h b/libc/sysdeps/linux/sparc64/sys/user.h
new file mode 100644
index 000000000..905f43b75
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/sys/user.h
@@ -0,0 +1,83 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H	1
+
+struct sunos_regs
+{
+  unsigned int psr, pc, npc, y;
+  unsigned int regs[15];
+};
+
+struct sunos_fpqueue
+{
+  unsigned int *addr;
+  unsigned int inst;
+};
+
+struct sunos_fp
+{
+  union
+    {
+      unsigned int regs[32];
+      double reg_dbls[16];
+    } fregs;
+  unsigned int fsr;
+  unsigned int flags;
+  unsigned int extra;
+  unsigned int fpq_count;
+  struct sunos_fpqueue fpq[16];
+};
+
+struct sunos_fpu
+{
+  struct sunos_fp fpstatus;
+};
+
+/* The SunOS core file header layout. */
+struct user {
+  unsigned int magic;
+  unsigned int len;
+  struct sunos_regs regs;
+  struct
+    {
+      unsigned char a_dynamic :1;
+      unsigned char a_toolversion :7;
+      unsigned char a_machtype;
+      unsigned short a_info;
+      unsigned int a_text;
+      unsigned int a_data;
+      unsigned int a_bss;
+      unsigned int a_syms;
+      unsigned int a_entry;
+      unsigned int a_trsize;
+      unsigned int a_drsize;
+    } uexec;
+  int           signal;
+  size_t        u_tsize;
+  size_t        u_dsize;
+  size_t        u_ssize;
+  char          u_comm[17];
+  struct sunos_fpu fpu;
+  unsigned int  sigcode;
+};
+
+#define NBPG			0x2000
+#define UPAGES			1
+#define SUNOS_CORE_MAGIC	0x080456
+
+#endif