-/* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 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
#ifndef _SYS_PROCFS_H
#define _SYS_PROCFS_H 1
-/* This is somehow modelled after the file of the same name on SysVr4
+/* 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. */
+ 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 <signal.h>
#include <sys/time.h>
#include <sys/types.h>
-#include <sys/ucontext.h>
#include <sys/user.h>
-#include <sys/elf.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' 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) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Register set for the floating-point registers. */
+typedef struct user_fpregs elf_fpregset_t;
+
+/* Signal info. */
struct elf_siginfo
{
int si_signo; /* Signal number. */
int si_errno; /* Errno. */
};
-/* Definitions to generate core files. Fields present but not used are
- marked with "XXX". */
+/* 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
{
-#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;
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 */
+#define ELF_PRARGSZ (80) /* Number of chars for args. */
struct elf_prpsinfo
{
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 gregset_t prgregset_t;
-typedef fpregset_t prfpregset_t;
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
/* We don't have any differences between processes and threads,
- therefore habe only ine PID type. */
+ 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;