--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/* 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 */
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