* sysdeps/unix/sysv/linux/m68k/sys/procfs.h: New file.

* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: New file.
This commit is contained in:
Andreas Schwab 2001-07-15 15:31:34 +00:00
parent b20895bd7f
commit a6d214835f
3 changed files with 238 additions and 0 deletions

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2001-07-15 Andreas Schwab <schwab@suse.de>
* sysdeps/unix/sysv/linux/m68k/sys/procfs.h: New file.
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/m68k/getpagesize.c: Check _dl_pagesize
first. Default to 4096, not EXEC_PAGESIZE.

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/* Copyright (C) 1996, 1997, 1999, 2000, 2001 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>
#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 */

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/* Copyright (C) 1997, 1999, 2001 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. */
/* 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_fpregs[8][3];
int f_pcr;
int f_psr;
int f_fpiaddr;
} 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 int uc_flags;
struct ucontext *uc_link;
__sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
long int uc_filler[174];
} ucontext_t;
#endif /* sys/ucontext.h */