First pass attempt at an alpha port

6 files changed, 416 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/alpha/sys/acct.h b/libc/sysdeps/linux/alpha/sys/acct.h
new file mode 100644
index 000000000..1e00006ef
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/acct.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 1996, 1997, 2000 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_ACCT_H
+
+#define _SYS_ACCT_H	1
+#include <features.h>
+
+#define	__need_time_t
+#include <time.h>
+
+
+__BEGIN_DECLS
+
+#define ACCT_COMM 16
+
+struct acct
+  {
+    char ac_comm[ACCT_COMM];		/* Accounting command name.  */
+    time_t ac_utime;			/* Accounting user time.  */
+    time_t ac_stime;			/* Accounting system time.  */
+    time_t ac_etime;			/* Accounting elapsed time.  */
+    time_t ac_btime;			/* Beginning time.  */
+    unsigned int ac_uid;		/* Accounting user ID.  */
+    unsigned int ac_gid;		/* Accounting group ID.  */
+    unsigned int ac_tty;		/* Controlling tty.  */
+    /* Please note that the value of the `ac_tty' field, a device number,
+       is encoded differently in the kernel and for the libc dev_t type.  */
+    char ac_flag;			/* Accounting flag.  */
+    long int ac_minflt;			/* Accounting minor pagefaults.  */
+    long int ac_majflt;			/* Accounting major pagefaults.  */
+    long int ac_exitcode;		/* Accounting process exitcode.  */
+  };
+
+enum
+  {
+    AFORK = 0001,		/* Has executed fork, but no exec.  */
+    ASU = 0002,			/* Used super-user privileges.  */
+    ACORE = 0004,		/* Dumped core.  */
+    AXSIG = 0010		/* Killed by a signal.  */
+  };
+
+#define AHZ     100
+
+
+/* Switch process accounting on and off.  */
+extern int acct (__const char *__filename) __THROW;
+
+__END_DECLS
+
+#endif	/* sys/acct.h */
diff --git a/libc/sysdeps/linux/alpha/sys/io.h b/libc/sysdeps/linux/alpha/sys/io.h
new file mode 100644
index 000000000..4334c6392
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/io.h
@@ -0,0 +1,95 @@
+/* Copyright (C) 1996, 1999 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_IO_H
+
+#define	_SYS_IO_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* If TURN_ON is TRUE, request for permission to do direct i/o on the
+   port numbers in the range [FROM,FROM+NUM-1].  Otherwise, turn I/O
+   permission off for that range.  This call requires root privileges.
+
+   Portability note: not all Linux platforms support this call.  Most
+   platforms based on the PC I/O architecture probably will, however.
+   E.g., Linux/Alpha for Alpha PCs supports this.  */
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+		   int __turn_on) __THROW;
+
+/* Set the I/O privilege level to LEVEL.  If LEVEL>3, permission to
+   access any I/O port is granted.  This call requires root
+   privileges. */
+extern int iopl (int __level) __THROW;
+
+/* Return the physical address of the DENSE I/O memory or NULL if none
+   is available (e.g. on a jensen).  */
+extern unsigned long int _bus_base (void) __THROW __attribute__ ((const));
+extern unsigned long int bus_base (void) __THROW __attribute__ ((const));
+
+/* Return the physical address of the SPARSE I/O memory.  */
+extern unsigned long _bus_base_sparse (void) __THROW __attribute__ ((const));
+extern unsigned long bus_base_sparse (void) __THROW __attribute__ ((const));
+
+/* Return the HAE shift used by the SPARSE I/O memory.  */
+extern int _hae_shift (void) __THROW __attribute__ ((const));
+extern int hae_shift (void) __THROW __attribute__ ((const));
+
+/* Previous three are deprecated in favour of the following, which
+   knows about multiple PCI "hoses".  Provide the PCI bus and dfn
+   numbers just as to pciconfig_read/write.  */
+
+enum __pciconfig_iobase_which
+{
+  IOBASE_HOSE = 0,		/* Return hose index. */
+  IOBASE_SPARSE_MEM = 1,	/* Return physical memory addresses.  */
+  IOBASE_DENSE_MEM = 2,
+  IOBASE_SPARSE_IO = 3,
+  IOBASE_DENSE_IO = 4
+};
+
+extern long pciconfig_iobase(enum __pciconfig_iobase_which __which,
+			     unsigned long int __bus,
+			     unsigned long int __dfn)
+     __THROW __attribute__ ((const));
+
+/* Access PCI space protected from machine checks.  */
+extern int pciconfig_read (unsigned long int __bus,
+			   unsigned long int __dfn,
+			   unsigned long int __off,
+			   unsigned long int __len,
+			   unsigned char *__buf) __THROW;
+
+extern int pciconfig_write (unsigned long int __bus,
+			    unsigned long int __dfn,
+			    unsigned long int __off,
+			    unsigned long int __len,
+			    unsigned char *__buf) __THROW;
+
+/* Userspace declarations.  */
+extern unsigned int inb (unsigned long __port) __THROW;
+extern unsigned int inw (unsigned long __port) __THROW;
+extern unsigned int inl (unsigned long __port) __THROW;
+extern void outb (unsigned char __b, unsigned long __port) __THROW;
+extern void outw (unsigned short __w, unsigned long __port) __THROW;
+extern void outl (unsigned int __l, unsigned long __port) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_IO_H */
diff --git a/libc/sysdeps/linux/alpha/sys/procfs.h b/libc/sysdeps/linux/alpha/sys/procfs.h
new file mode 100644
index 000000000..bee51f94e
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/procfs.h
@@ -0,0 +1,115 @@
+/* Copyright (C) 1996, 1997, 1999 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 somehow modelled after the file of the same name on SysVr4
+   systems.  It provides a definition of the core file format for ELF
+   used on Linux.  */
+
+#include <features.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ucontext.h>
+#include <sys/user.h>
+#include <asm/elf.h>
+
+__BEGIN_DECLS
+
+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
+  {
+#if 0
+    long int pr_flags;			/* XXX Process flags.  */
+    short int pr_why;			/* XXX Reason for process halt.  */
+    short int pr_what;			/* XXX More detailed reason.  */
+#endif
+    struct elf_siginfo pr_info;		/* Info associated with signal.  */
+    short int pr_cursig;		/* Current signal.  */
+    unsigned long int pr_sigpend;	/* Set of pending signals.  */
+    unsigned long int pr_sighold;	/* Set of held signals.  */
+#if 0
+    struct sigaltstack pr_altstack;	/* Alternate stack info.  */
+    struct sigaction pr_action;		/* Signal action for current sig.  */
+#endif
+    __pid_t pr_pid;
+    __pid_t pr_ppid;
+    __pid_t pr_pgrp;
+    __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.  */
+#if 0
+    long int pr_instr;			/* Current instruction.  */
+#endif
+    elf_gregset_t pr_reg;		/* GP registers.  */
+    int pr_fpvalid;			/* True if math copro 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 int pr_flag;		/* Flags.  */
+    unsigned int pr_uid;
+    unsigned int pr_gid;
+    int 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.  */
+  };
+
+/* Addresses.  */
+typedef void *psaddr_t;
+
+/* Register sets.  Linux has different names.  */
+typedef gregset_t prgregset_t;
+typedef fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+   therefore habe only ine PID type.  */
+typedef __pid_t lwpid_t;
+
+
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif	/* sys/procfs.h */
diff --git a/libc/sysdeps/linux/alpha/sys/sysmacros.h b/libc/sysdeps/linux/alpha/sys/sysmacros.h
new file mode 100644
index 000000000..43ec376c0
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/sysmacros.h
@@ -0,0 +1,29 @@
+/* Definitions of macros to access `dev_t' values.
+   Copyright (C) 1996, 1997, 1999 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_SYSMACROS_H
+#define _SYS_SYSMACROS_H	1
+
+/* For compatibility we provide alternative names.  */
+#define major(dev) ((int)(((dev) >> 8) & 0xff))
+#define minor(dev) ((int)((dev) & 0xff))
+#define makedev(major, minor) ((((unsigned int) (major)) << 8) \
+			       | ((unsigned int) (minor)))
+
+#endif /* sys/sysmacros.h */
diff --git a/libc/sysdeps/linux/alpha/sys/ucontext.h b/libc/sysdeps/linux/alpha/sys/ucontext.h
new file mode 100644
index 000000000..438293c62
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/ucontext.h
@@ -0,0 +1,61 @@
+/* Copyright (C) 1998, 1999 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_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <signal.h>
+
+#include <bits/sigcontext.h>
+
+
+/* Type for general register.  */
+typedef long int greg_t;
+
+/* Number of general registers.  */
+#define NGREG	33
+
+/* Container for all general registers.  */
+typedef greg_t gregset_t[NGREG];
+
+/* Type for floating-point register.  */
+typedef long int fpreg_t;
+
+/* Number of general registers.  */
+#define NFPREG	32
+
+/* Container for all general registers.  */
+typedef fpreg_t fpregset_t[NFPREG];
+
+
+/* A machine context is exactly a sigcontext.  */
+typedef struct sigcontext mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long int uc_flags;
+    struct ucontext *uc_link;
+    unsigned long __uc_osf_sigmask;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
+
+#endif /* sys/ucontext.h */
diff --git a/libc/sysdeps/linux/alpha/sys/user.h b/libc/sysdeps/linux/alpha/sys/user.h
new file mode 100644
index 000000000..4cd29d2ff
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/sys/user.h
@@ -0,0 +1,50 @@
+/* Copyright (C) 1999 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_USER_H
+#define _SYS_USER_H	1
+
+/* The whole purpose of this file is for gdb/strace and gdb/strace
+   only. Don't read too much into it. Don't use it for anything other
+   than gdb/strace unless you know what you are doing. */
+
+#include <asm/page.h>
+#include <asm/reg.h>
+
+struct user
+{
+  unsigned long	int regs[EF_SIZE / 8 + 32];	/* integer and fp regs */
+  size_t u_tsize;				/* text size (pages) */
+  size_t u_dsize;				/* data size (pages) */
+  size_t u_ssize;				/* stack size (pages) */
+  unsigned long	int start_code;			/* text starting address */
+  unsigned long	int start_data;			/* data starting address */
+  unsigned long	int start_stack;		/* stack starting address */
+  long int signal;				/* signal causing core dump */
+  struct regs *u_ar0;				/* help gdb find registers */
+  unsigned long	int magic;			/* identifies a core file */
+  char u_comm[32];				/* user command name */
+};
+
+#define NBPG			PAGE_SIZE
+#define UPAGES			1
+#define HOST_TEXT_START_ADDR	(u.start_code)
+#define HOST_DATA_START_ADDR	(u.start_data)
+#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
+
+#endif	/* sys/user.h */