Initial checkin

2 files changed, 184 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/v850/clone.c b/libc/sysdeps/linux/v850/clone.c
new file mode 100644
index 000000000..33e96b449
--- /dev/null
+++ b/libc/sysdeps/linux/v850/clone.c
@@ -0,0 +1,48 @@
+/*
+ * libc/sysdeps/linux/v850/clone.c -- `clone' syscall for linux/v850
+ *
+ *  Copyright (C) 2002  NEC Electronics Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+
+int
+clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg)
+{
+  register unsigned long rval asm (SYSCALL_RET) = -EINVAL;
+
+  if (fn && child_stack)
+    {
+      register unsigned long syscall asm (SYSCALL_NUM);
+      register unsigned long arg0 asm (SYSCALL_ARG0);
+
+      /* Clone this thread.  */
+      arg0 = flags;
+      syscall = __NR_clone;
+      asm volatile ("trap " SYSCALL_SHORT_TRAP
+		    : "=r" (rval), "=r" (syscall)
+		    : "1" (syscall), "r" (arg0)
+		    : SYSCALL_SHORT_CLOBBERS);
+
+      if (rval == 0)
+	/* In child thread, call FN and exit.  */
+	{
+	  arg0 = (*fn) (arg);
+	  syscall = __NR_exit;
+	  asm volatile ("trap " SYSCALL_SHORT_TRAP
+			: "=r" (rval), "=r" (syscall)
+			: "1" (syscall), "r" (arg0)
+			: SYSCALL_SHORT_CLOBBERS);
+	}
+    }
+
+  __syscall_return (int, rval);
+}
diff --git a/libc/sysdeps/linux/v850/sys/procfs.h b/libc/sysdeps/linux/v850/sys/procfs.h
new file mode 100644
index 000000000..67acb3cce
--- /dev/null
+++ b/libc/sysdeps/linux/v850/sys/procfs.h
@@ -0,0 +1,136 @@
+/* Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 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 _SYS_PROCFS_H
+#define _SYS_PROCFS_H	1
+
+/* This is somewhat modelled after the file of the same name on SVR4
+   systems.  It provides a definition of the core file format for ELF
+   used on Linux.  It doesn't have anything to do with the /proc file
+   system, even though Linux has one.
+
+   Anyway, the whole purpose of this file is for GDB and GDB only.
+   Don't read too much into it.  Don't use it for anything other than
+   GDB unless you know what you are doing.  */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+
+/* Type for a general-purpose register.  */
+typedef unsigned long elf_greg_t;
+
+/* This is exactly the same as `struct pt_regs' in the kernel.  */
+struct elf_gregset
+{
+	/* General purpose registers.  */
+	elf_greg_t gpr[32];
+
+	elf_greg_t pc;		/* program counter */
+	elf_greg_t psw;		/* program status word */
+
+	/* Registers used by `callt' instruction:  */
+	elf_greg_t ctpc;	/* saved program counter */
+	elf_greg_t ctpsw;	/* saved psw */
+	elf_greg_t ctbp;	/* base pointer for callt table */
+
+	char kernel_mode;	/* 1 if in `kernel mode', 0 if user mode */
+};
+
+#define ELF_NGREG (sizeof (struct elf_gregset) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Register set for the floating-point registers.  */
+typedef void elf_fpregset_t;
+
+
+struct elf_siginfo
+{
+	int	si_signo;			/* signal number */
+	int	si_code;			/* extra code */
+	int	si_errno;			/* errno */
+};
+
+
+/*
+ * Definitions to generate Intel SVR4-like core files.
+ * These mostly have the same names as the SVR4 types with "elf_"
+ * tacked on the front to prevent clashes with linux definitions,
+ * and the typedef forms have been avoided.  This is mostly like
+ * the SVR4 structure, but more Linuxy, with things that Linux does
+ * not support and which gdb doesn't really use excluded.
+ * Fields present but not used are marked with "XXX".
+ */
+struct elf_prstatus
+{
+	struct elf_siginfo pr_info;	/* Info associated with signal */
+	short	pr_cursig;		/* Current signal */
+	unsigned long pr_sigpend;	/* Set of pending signals */
+	unsigned long pr_sighold;	/* Set of held signals */
+	__kernel_pid_t	pr_pid;
+	__kernel_pid_t	pr_ppid;
+	__kernel_pid_t	pr_pgrp;
+	__kernel_pid_t	pr_sid;
+	struct timeval pr_utime;	/* User time */
+	struct timeval pr_stime;	/* System time */
+	struct timeval pr_cutime;	/* Cumulative user time */
+	struct timeval pr_cstime;	/* Cumulative system time */
+	elf_gregset_t pr_reg;	/* GP registers */
+	int pr_fpvalid;		/* True if math co-processor being used.  */
+};
+
+#define ELF_PRARGSZ	(80)	/* Number of chars for args */
+
+struct elf_prpsinfo
+{
+	char	pr_state;	/* numeric process state */
+	char	pr_sname;	/* char for pr_state */
+	char	pr_zomb;	/* zombie */
+	char	pr_nice;	/* nice val */
+	unsigned long pr_flag;	/* flags */
+	__kernel_uid_t	pr_uid;
+	__kernel_gid_t	pr_gid;
+	__kernel_pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
+	/* Lots missing */
+	char	pr_fname[16];	/* filename of executable */
+	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
+};
+
+
+/* The rest of this file provides the types for emulation of the
+   Solaris <proc_service.h> interfaces that should be implemented by
+   users of libthread_db.  */
+
+/* Addresses.  */
+typedef void *psaddr_t;
+
+/* Register sets.  Linux has different names.  */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+   therefore have only one PID type.  */
+typedef __kernel_pid_t lwpid_t;
+
+/* Process status and info.  In the end we do provide typedefs for them.  */
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+
+#endif	/* sys/procfs.h */