Move m68k from ports to libc

4 files changed, 403 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/m68k/sys/procfs.h b/sysdeps/unix/sysv/linux/m68k/sys/procfs.h
new file mode 100644
index 0000000000..6c25814ec6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/sys/procfs.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 1996-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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>
+#include <sys/user.h>
+
+__BEGIN_DECLS
+
+/* Type for a general-purpose register.  */
+typedef unsigned long elf_greg_t;
+
+/* And the whole bunch of them.  We could have used `struct
+   user_regs_struct' directly in the typedef, but tradition says that
+   the register set is an array, which does have some peculiar
+   semantics, so leave it that way.  */
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Register set for the floating-point registers.  */
+typedef struct user_m68kfp_struct elf_fpregset_t;
+
+
+/* Signal info.  */
+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.  */
+
+struct elf_prstatus
+  {
+    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.  */
+    __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.  */
+    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 short int pr_uid;
+    unsigned short 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.  */
+  };
+
+
+/* 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 __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;
+
+__END_DECLS
+
+#endif	/* sys/procfs.h */
diff --git a/sysdeps/unix/sysv/linux/m68k/sys/reg.h b/sysdeps/unix/sysv/linux/m68k/sys/reg.h
new file mode 100644
index 0000000000..ba2a69528a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/sys/reg.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1998-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_REG_H
+#define _SYS_REG_H	1
+
+/* Index into an array of 4 byte integers returned from ptrace for
+   location of the users' stored general purpose registers. */
+
+enum
+{
+  PT_D1 = 0,
+#define PT_D1 PT_D1
+  PT_D2 = 1,
+#define PT_D2 PT_D2
+  PT_D3 = 2,
+#define PT_D3 PT_D3
+  PT_D4 = 3,
+#define PT_D4 PT_D4
+  PT_D5 = 4,
+#define PT_D5 PT_D5
+  PT_D6 = 5,
+#define PT_D6 PT_D6
+  PT_D7 = 6,
+#define PT_D7 PT_D7
+  PT_A0 = 7,
+#define PT_A0 PT_A0
+  PT_A1 = 8,
+#define PT_A1 PT_A1
+  PT_A2 = 9,
+#define PT_A2 PT_A2
+  PT_A3 = 10,
+#define PT_A3 PT_A3
+  PT_A4 = 11,
+#define PT_A4 PT_A4
+  PT_A5 = 12,
+#define PT_A5 PT_A5
+  PT_A6 = 13,
+#define PT_A6 PT_A6
+  PT_D0 = 14,
+#define PT_D0 PT_D0
+  PT_USP = 15,
+#define PT_USP PT_USP
+  PT_ORIG_D0 = 16,
+#define PT_ORIG_D0 PT_ORIG_D0
+  PT_SR = 17,
+#define PT_SR PT_SR
+  PT_PC = 18,
+#define PT_PC PT_PC
+
+#ifdef __mcoldfire__
+  PT_FP0 = 21,
+  PT_FP1 = 23,
+  PT_FP2 = 25,
+  PT_FP3 = 27,
+  PT_FP4 = 29,
+  PT_FP5 = 31,
+  PT_FP6 = 33,
+  PT_FP7 = 35,
+#else
+  PT_FP0 = 21,
+  PT_FP1 = 24,
+  PT_FP2 = 27,
+  PT_FP3 = 30,
+  PT_FP4 = 33,
+  PT_FP5 = 36,
+  PT_FP6 = 39,
+  PT_FP7 = 42,
+#endif
+#define PT_FP0 PT_FP0
+#define PT_FP1 PT_FP1
+#define PT_FP2 PT_FP2
+#define PT_FP3 PT_FP3
+#define PT_FP4 PT_FP4
+#define PT_FP5 PT_FP5
+#define PT_FP6 PT_FP6
+#define PT_FP7 PT_FP7
+
+  PT_FPCR = 45,
+#define PT_FPCR PT_FPCR
+  PT_FPSR = 46,
+#define PT_FPSR PT_FPSR
+  PT_FPIAR = 47
+#define PT_FPIAR PT_FPIAR
+};
+
+#endif	/* _SYS_REG_H */
diff --git a/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h b/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h
new file mode 100644
index 0000000000..8c5ca3dff3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/sys/ucontext.h
@@ -0,0 +1,112 @@
+/* Copyright (C) 1997-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* System V/m68k ABI compliant context switching support.  */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <signal.h>
+
+/* Type for general register.  */
+typedef int greg_t;
+
+/* Number of general registers.  */
+#define NGREG	18
+
+/* Container for all general registers.  */
+typedef greg_t gregset_t[NGREG];
+
+/* Number of each register is the `gregset_t' array.  */
+enum
+{
+  R_D0 = 0,
+#define R_D0	R_D0
+  R_D1 = 1,
+#define R_D1	R_D1
+  R_D2 = 2,
+#define R_D2	R_D2
+  R_D3 = 3,
+#define R_D3	R_D3
+  R_D4 = 4,
+#define R_D4	R_D4
+  R_D5 = 5,
+#define R_D5	R_D5
+  R_D6 = 6,
+#define R_D6	R_D6
+  R_D7 = 7,
+#define R_D7	R_D7
+  R_A0 = 8,
+#define R_A0	R_A0
+  R_A1 = 9,
+#define R_A1	R_A1
+  R_A2 = 10,
+#define R_A2	R_A2
+  R_A3 = 11,
+#define R_A3	R_A3
+  R_A4 = 12,
+#define R_A4	R_A4
+  R_A5 = 13,
+#define R_A5	R_A5
+  R_A6 = 14,
+#define R_A6	R_A6
+  R_A7 = 15,
+#define R_A7	R_A7
+  R_SP = 15,
+#define R_SP	R_SP
+  R_PC = 16,
+#define R_PC	R_PC
+  R_PS = 17
+#define R_PS	R_PS
+};
+
+/* Structure to describe FPU registers.  */
+typedef struct fpregset
+{
+  int f_pcr;
+  int f_psr;
+  int f_fpiaddr;
+#ifdef __mcoldfire__
+  int f_fpregs[8][2];
+#else
+  int f_fpregs[8][3];
+#endif
+} fpregset_t;
+
+/* Context to describe whole processor state.  */
+typedef struct
+{
+  int version;
+  gregset_t gregs;
+  fpregset_t fpregs;
+} mcontext_t;
+
+#define MCONTEXT_VERSION 2
+
+/* Userlevel context.  */
+typedef struct ucontext
+{
+  unsigned long uc_flags;
+  struct ucontext *uc_link;
+  stack_t uc_stack;
+  mcontext_t uc_mcontext;
+  unsigned long uc_filler[80];
+  __sigset_t uc_sigmask;
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
diff --git a/sysdeps/unix/sysv/linux/m68k/sys/user.h b/sysdeps/unix/sysv/linux/m68k/sys/user.h
new file mode 100644
index 0000000000..bc21dedcdf
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/sys/user.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 2008-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H	1
+
+/* 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.  */
+
+struct user_m68kfp_struct {
+	unsigned long fpregs[8*3];
+	unsigned long fpcntl[3];
+};
+
+struct user_regs_struct {
+	long d1, d2, d3, d4, d5, d6, d7;
+	long a0, a1, a2, a3, a4, a5, a6;
+	long d0;
+	long usp;
+	long orig_d0;
+	short stkadj;
+	short sr;
+	long pc;
+	short fmtvec;
+	short __fill;
+};
+
+struct user {
+	struct user_regs_struct regs;
+	int u_fpvalid;
+	struct user_m68kfp_struct m68kfp;
+	unsigned long int u_tsize;
+	unsigned long int u_dsize;
+	unsigned long int u_ssize;
+	unsigned long start_code;
+	unsigned long start_stack;
+	long int signal;
+	int reserved;
+	unsigned long u_ar0;
+	struct user_m68kfp_struct *u_fpstate;
+	unsigned long magic;
+	char u_comm[32];
+};
+
+#define NBPG 4096
+#define UPAGES 1
+#define HOST_TEXT_START_ADDR u.start_code
+#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
+
+#endif