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-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/elf.h25
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/procfs.h176
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ptrace.h238
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ucontext.h96
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/user.h82
5 files changed, 617 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/elf.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/elf.h
new file mode 100644
index 0000000000..9a093ba273
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/elf.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 2000-2017 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_ELF_H
+#define _SYS_ELF_H 1
+
+#warning "This header is obsolete; use <sys/procfs.h> instead."
+
+#include <sys/procfs.h>
+
+#endif /* _SYS_ELF_H */
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/procfs.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/procfs.h
new file mode 100644
index 0000000000..2445f110f9
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/procfs.h
@@ -0,0 +1,176 @@
+/* Copyright (C) 2000-2017 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>
+#include <sys/ucontext.h>
+
+__BEGIN_DECLS
+
+typedef greg_t elf_greg_t;
+#define ELF_NGREG NGREG
+typedef gregset_t elf_gregset_t;
+typedef fpreg_t elf_fpreg_t;
+typedef fpregset_t 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. */
+#if __WORDSIZE == 64
+ unsigned int pr_uid;
+ unsigned int pr_gid;
+#else
+ unsigned short int pr_uid;
+ unsigned short int pr_gid;
+#endif
+ 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;
+
+#if __WORDSIZE == 64
+
+/* Provide 32-bit variants so that BFD can read 32-bit
+ core files. */
+#define ELF_NGREG32 36
+typedef unsigned int elf_greg_t32;
+typedef elf_greg_t32
+ elf_gregset_t32[ELF_NGREG32] __attribute__ ((__aligned__ (8)));
+typedef elf_fpregset_t elf_fpregset_t32;
+
+struct elf_prstatus32
+ {
+ struct elf_siginfo pr_info; /* Info associated with signal. */
+ short int pr_cursig; /* Current signal. */
+ unsigned int pr_sigpend; /* Set of pending signals. */
+ unsigned int pr_sighold; /* Set of held signals. */
+ __pid_t pr_pid;
+ __pid_t pr_ppid;
+ __pid_t pr_pgrp;
+ __pid_t pr_sid;
+ struct
+ {
+ int tv_sec, tv_usec;
+ } pr_utime, /* User time. */
+ pr_stime, /* System time. */
+ pr_cutime, /* Cumulative user time. */
+ pr_cstime; /* Cumulative system time. */
+ elf_gregset_t32 pr_reg; /* GP registers. */
+ int pr_fpvalid; /* True if math copro being used. */
+ };
+
+struct elf_prpsinfo32
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned 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. */
+ };
+
+typedef elf_gregset_t32 prgregset32_t;
+typedef elf_fpregset_t32 prfpregset32_t;
+
+typedef struct elf_prstatus32 prstatus32_t;
+typedef struct elf_prpsinfo32 prpsinfo32_t;
+
+#endif
+
+__END_DECLS
+
+#endif /* sys/procfs.h */
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
new file mode 100644
index 0000000000..7caf1015b2
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
@@ -0,0 +1,238 @@
+/* `ptrace' debugger support interface. Linux version.
+ Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+ 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_PTRACE_H
+#define _SYS_PTRACE_H 1
+
+#include <features.h>
+#include <bits/types.h>
+
+__BEGIN_DECLS
+#ifdef _LINUX_PTRACE_H
+/* Kludge to stop stuff gdb & strace compiles from getting upset
+ */
+#undef PTRACE_TRACEME
+#undef PTRACE_PEEKTEXT
+#undef PTRACE_PEEKDATA
+#undef PTRACE_PEEKUSR
+#undef PTRACE_POKETEXT
+#undef PTRACE_POKEDATA
+#undef PTRACE_POKEUSR
+#undef PTRACE_CONT
+#undef PTRACE_KILL
+#undef PTRACE_SINGLESTEP
+
+#undef PTRACE_ATTACH
+#undef PTRACE_DETACH
+
+#undef PTRACE_SYSCALL
+#endif
+/* Type of the REQUEST argument to `ptrace.' */
+enum __ptrace_request
+{
+ /* Indicate that the process making this request should be traced.
+ All signals received by this process can be intercepted by its
+ parent, and its parent can use the other `ptrace' requests. */
+ PTRACE_TRACEME = 0,
+#define PT_TRACE_ME PTRACE_TRACEME
+
+ /* Return the word in the process's text space at address ADDR. */
+ PTRACE_PEEKTEXT = 1,
+#define PT_READ_I PTRACE_PEEKTEXT
+
+ /* Return the word in the process's data space at address ADDR. */
+ PTRACE_PEEKDATA = 2,
+#define PT_READ_D PTRACE_PEEKDATA
+
+ /* Return the word in the process's user area at offset ADDR. */
+ PTRACE_PEEKUSER = 3,
+#define PT_READ_U PTRACE_PEEKUSER
+
+ /* Write the word DATA into the process's text space at address ADDR. */
+ PTRACE_POKETEXT = 4,
+#define PT_WRITE_I PTRACE_POKETEXT
+
+ /* Write the word DATA into the process's data space at address ADDR. */
+ PTRACE_POKEDATA = 5,
+#define PT_WRITE_D PTRACE_POKEDATA
+
+ /* Write the word DATA into the process's user area at offset ADDR. */
+ PTRACE_POKEUSER = 6,
+#define PT_WRITE_U PTRACE_POKEUSER
+
+ /* Continue the process. */
+ PTRACE_CONT = 7,
+#define PT_CONTINUE PTRACE_CONT
+
+ /* Kill the process. */
+ PTRACE_KILL = 8,
+#define PT_KILL PTRACE_KILL
+
+ /* Single step the process.
+ This is not supported on all machines. */
+ PTRACE_SINGLESTEP = 9,
+#define PT_STEP PTRACE_SINGLESTEP
+
+ /* Get all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETREGS = 12,
+#define PT_GETREGS PTRACE_GETREGS
+
+ /* Set all general purpose registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETREGS = 13,
+#define PT_SETREGS PTRACE_SETREGS
+
+ /* Get all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_GETFPREGS = 14,
+#define PT_GETFPREGS PTRACE_GETFPREGS
+
+ /* Set all floating point registers used by a processes.
+ This is not supported on all machines. */
+ PTRACE_SETFPREGS = 15,
+#define PT_SETFPREGS PTRACE_SETFPREGS
+
+ /* Attach to a process that is already running. */
+ PTRACE_ATTACH = 16,
+#define PT_ATTACH PTRACE_ATTACH
+
+ /* Detach from a process attached to with PTRACE_ATTACH. */
+ PTRACE_DETACH = 17,
+#define PT_DETACH PTRACE_DETACH
+
+ /* Continue and stop at the next (return from) syscall. */
+ PTRACE_SYSCALL = 24,
+#define PT_SYSCALL PTRACE_SYSCALL
+
+ /* Set ptrace filter options. */
+ PTRACE_SETOPTIONS = 0x4200,
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+
+ /* Get last ptrace message. */
+ PTRACE_GETEVENTMSG = 0x4201,
+#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
+
+ /* Get siginfo for process. */
+ PTRACE_GETSIGINFO = 0x4202,
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+
+ /* Set new siginfo for process. */
+ PTRACE_SETSIGINFO = 0x4203,
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
+
+ /* Get register content. */
+ PTRACE_GETREGSET = 0x4204,
+#define PTRACE_GETREGSET PTRACE_GETREGSET
+
+ /* Set register content. */
+ PTRACE_SETREGSET = 0x4205,
+#define PTRACE_SETREGSET PTRACE_SETREGSET
+
+ /* Like PTRACE_ATTACH, but do not force tracee to trap and do not affect
+ signal or group stop state. */
+ PTRACE_SEIZE = 0x4206,
+#define PTRACE_SEIZE PTRACE_SEIZE
+
+ /* Trap seized tracee. */
+ PTRACE_INTERRUPT = 0x4207,
+#define PTRACE_INTERRUPT PTRACE_INTERRUPT
+
+ /* Wait for next group event. */
+ PTRACE_LISTEN = 0x4208,
+#define PTRACE_LISTEN PTRACE_LISTEN
+
+ PTRACE_PEEKSIGINFO = 0x4209,
+#define PTRACE_PEEKSIGINFO PTRACE_PEEKSIGINFO
+
+ PTRACE_GETSIGMASK = 0x420a,
+#define PTRACE_GETSIGMASK PTRACE_GETSIGMASK
+
+ PTRACE_SETSIGMASK = 0x420b,
+#define PTRACE_SETSIGMASK PTRACE_SETSIGMASK
+
+ PTRACE_SECCOMP_GET_FILTER = 0x420c
+#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
+};
+
+
+/* Flag for PTRACE_LISTEN. */
+enum __ptrace_flags
+{
+ PTRACE_SEIZE_DEVEL = 0x80000000
+};
+
+/* Options set using PTRACE_SETOPTIONS. */
+enum __ptrace_setoptions
+{
+ PTRACE_O_TRACESYSGOOD = 0x00000001,
+ PTRACE_O_TRACEFORK = 0x00000002,
+ PTRACE_O_TRACEVFORK = 0x00000004,
+ PTRACE_O_TRACECLONE = 0x00000008,
+ PTRACE_O_TRACEEXEC = 0x00000010,
+ PTRACE_O_TRACEVFORKDONE = 0x00000020,
+ PTRACE_O_TRACEEXIT = 0x00000040,
+ PTRACE_O_TRACESECCOMP = 0x00000080,
+ PTRACE_O_EXITKILL = 0x00100000,
+ PTRACE_O_SUSPEND_SECCOMP = 0x00200000,
+ PTRACE_O_MASK = 0x003000ff
+};
+
+enum __ptrace_eventcodes
+{
+/* Wait extended result codes for the above trace options. */
+ PTRACE_EVENT_FORK = 1,
+ PTRACE_EVENT_VFORK = 2,
+ PTRACE_EVENT_CLONE = 3,
+ PTRACE_EVENT_EXEC = 4,
+ PTRACE_EVENT_VFORK_DONE = 5,
+ PTRACE_EVENT_EXIT = 6,
+ PTRACE_EVENT_SECCOMP = 7,
+/* Extended result codes enabled by means other than options. */
+ PTRACE_EVENT_STOP = 128
+};
+
+/* Arguments for PTRACE_PEEKSIGINFO. */
+struct __ptrace_peeksiginfo_args
+{
+ __uint64_t off; /* From which siginfo to start. */
+ __uint32_t flags; /* Flags for peeksiginfo. */
+ __int32_t nr; /* How many siginfos to take. */
+};
+
+enum __ptrace_peeksiginfo_flags
+{
+ /* Read signals from a shared (process wide) queue. */
+ PTRACE_PEEKSIGINFO_SHARED = (1 << 0)
+};
+
+/* Perform process tracing functions. REQUEST is one of the values
+ above, and determines the action to be taken.
+ For all requests except PTRACE_TRACEME, PID specifies the process to be
+ traced.
+
+ PID and the other arguments described above for the various requests should
+ appear (those that are used for the particular request) as:
+ pid_t PID, void *ADDR, int DATA, void *ADDR2
+ after REQUEST. */
+extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_PTRACE_H */
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
new file mode 100644
index 0000000000..183da5c8f9
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
@@ -0,0 +1,96 @@
+/* Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+ 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_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/sigcontext.h>
+#include <bits/types/stack_t.h>
+
+
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
+/* Type for a program status word. */
+typedef struct
+{
+ unsigned long __ctx(mask);
+ unsigned long __ctx(addr);
+} __attribute__ ((__aligned__(8))) __psw_t;
+
+/* Type for a general-purpose register. */
+typedef unsigned long greg_t;
+
+/* And the whole bunch of them. We should have used `struct s390_regs',
+ but to avoid name space pollution and since the tradition says that
+ the register set is an array, we make gregset_t a simple array
+ that has the same size as s390_regs. This is needed for the
+ elf_prstatus structure. */
+#if __WORDSIZE == 64
+# define __NGREG 27
+#else
+# define __NGREG 36
+#endif
+#ifdef __USE_MISC
+# define NGREG __NGREG
+#endif
+/* Must match kernels psw_t alignment. */
+typedef greg_t gregset_t[__NGREG] __attribute__ ((__aligned__(8)));
+
+typedef union
+ {
+ double __ctx(d);
+ float __ctx(f);
+ } fpreg_t;
+
+/* Register set for the floating-point registers. */
+typedef struct
+ {
+ unsigned int __ctx(fpc);
+ fpreg_t __ctx(fprs)[16];
+ } fpregset_t;
+
+/* Context to describe whole processor state. */
+typedef struct
+ {
+ __psw_t __ctx(psw);
+ unsigned long __ctx(gregs)[16];
+ unsigned int __ctx(aregs)[16];
+ fpregset_t __ctx(fpregs);
+ } mcontext_t;
+
+#undef __ctx
+
+/* Userlevel context. */
+typedef struct ucontext
+ {
+ unsigned long int uc_flags;
+ struct ucontext *uc_link;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ sigset_t uc_sigmask;
+ } ucontext_t;
+
+
+#endif /* sys/ucontext.h */
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/user.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/user.h
new file mode 100644
index 0000000000..8f8fcca59f
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/sys/user.h
@@ -0,0 +1,82 @@
+/* Copyright (C) 2000-2017 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_psw_struct
+{
+ unsigned long mask;
+ unsigned long addr;
+};
+
+struct _user_fpregs_struct
+{
+ unsigned int fpc;
+ double fprs[16];
+};
+
+struct _user_per_struct
+{
+ unsigned long control_regs[3];
+ unsigned single_step : 1;
+ unsigned instruction_fetch : 1;
+ unsigned : 30;
+ unsigned long starting_addr;
+ unsigned long ending_addr;
+ unsigned short perc_atmid;
+ unsigned long address;
+ unsigned char access_id;
+};
+
+struct _user_regs_struct
+{
+ struct _user_psw_struct psw; /* Program status word. */
+ unsigned long gprs[16]; /* General purpose registers. */
+ unsigned int acrs[16]; /* Access registers. */
+ unsigned long orig_gpr2; /* Original gpr2. */
+ struct _user_fpregs_struct fp_regs; /* Floating point registers. */
+ struct _user_per_struct per_info; /* Hardware tracing registers. */
+ unsigned long ieee_instruction_pointer; /* Always 0. */
+};
+
+struct user {
+ struct _user_regs_struct regs; /* User registers. */
+ unsigned long int u_tsize; /* Text segment size (pages). */
+ unsigned long int u_dsize; /* Data segment size (pages). */
+ unsigned long int u_ssize; /* Stack segment size (pages). */
+ unsigned long start_code; /* Starting address of text. */
+ unsigned long start_stack; /* Starting address of stack area. */
+ long int signal; /* Signal causing the core dump. */
+ struct _user_regs_struct *u_ar0; /* Help gdb find registers. */
+ unsigned long magic; /* Identifies a core file. */
+ char u_comm[32]; /* User command naem. */
+};
+
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+#define NBPG PAGE_SIZE
+#define UPAGES 1
+#define HOST_TEXT_START_ADDR (u.start_code)
+#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
+
+#endif /* _SYS_USER_H */