mirror of
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292 lines
9.4 KiB
C
292 lines
9.4 KiB
C
/* Machine independent support for SVR4 /proc (process file system) for GDB.
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Copyright (C) 1999-2016 Free Software Foundation, Inc.
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Written by Michael Snyder at Cygnus Solutions.
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Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/*
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* Pretty-print the prstatus flags.
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*
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* Arguments: unsigned long flags, int verbose
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*
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*/
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#include "defs.h"
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#if defined (NEW_PROC_API)
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#define _STRUCTURED_PROC 1
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#endif
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#include <sys/types.h>
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#include <sys/procfs.h>
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#include "proc-utils.h"
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/* Much of the information used in the /proc interface, particularly for
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printing status information, is kept as tables of structures of the
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following form. These tables can be used to map numeric values to
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their symbolic names and to a string that describes their specific use. */
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struct trans {
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int value; /* The numeric value */
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char *name; /* The equivalent symbolic value */
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char *desc; /* Short description of value */
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};
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/* Translate bits in the pr_flags member of the prstatus structure,
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into the names and desc information. */
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static struct trans pr_flag_table[] =
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{
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#if defined (PR_STOPPED)
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/* Sol2.5: lwp is stopped
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* Sol2.6: lwp is stopped
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* Sol2.7: lwp is stopped
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* IRIX6: process is stopped
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* OSF: task/thread is stopped
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* UW: LWP is stopped
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*/
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{ PR_STOPPED, "PR_STOPPED", "Process (LWP) is stopped" },
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#endif
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#if defined (PR_ISTOP)
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/* Sol2.5: lwp is stopped on an event of interest
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* Sol2.6: lwp is stopped on an event of interest
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* Sol2.7: lwp is stopped on an event of interest
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* IRIX6: process is stopped on event of interest
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* OSF: task/thread stopped on event of interest
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* UW: LWP stopped on an event of interest
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*/
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{ PR_ISTOP, "PR_ISTOP", "Stopped on an event of interest" },
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#endif
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#if defined (PR_DSTOP)
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/* Sol2.5: lwp has a stop directive in effect
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* Sol2.6: lwp has a stop directive in effect
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* Sol2.7: lwp has a stop directive in effect
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* IRIX6: process has stop directive in effect
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* OSF: task/thread has stop directive in effect
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* UW: A stop directive is in effect
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*/
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{ PR_DSTOP, "PR_DSTOP", "A stop directive is in effect" },
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#endif
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#if defined (PR_STEP)
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/* Sol2.5: lwp has a single-step directive in effect
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* Sol2.6: lwp has a single-step directive in effect
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* Sol2.7: lwp has a single-step directive in effect
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* IRIX6: process has single step pending
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*/
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{ PR_STEP, "PR_STEP", "A single step directive is in effect" },
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#endif
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#if defined (PR_ASLEEP)
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/* Sol2.5: lwp is sleeping in a system call
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* Sol2.6: lwp is sleeping in a system call
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* Sol2.7: lwp is sleeping in a system call
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* IRIX6: process is in an interruptible sleep
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* OSF: task/thread is asleep within a system call
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* UW: LWP is sleep()ing in a system call
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*/
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{ PR_ASLEEP, "PR_ASLEEP", "Sleeping in an (interruptible) system call" },
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#endif
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#if defined (PR_PCINVAL)
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/* Sol2.5: contents of pr_instr undefined
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* Sol2.6: contents of pr_instr undefined
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* Sol2.7: contents of pr_instr undefined
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* IRIX6: current pc is invalid
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* OSF: program counter contains invalid address
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* UW: %pc refers to an invalid virtual address
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*/
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{ PR_PCINVAL, "PR_PCINVAL", "PC (pr_instr) is invalid" },
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#endif
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#if defined (PR_ASLWP)
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/* Sol2.5: this lwp is the aslwp
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* Sol2.6: this lwp is the aslwp
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* Sol2.7: this lwp is the aslwp
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*/
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{ PR_ASLWP, "PR_ASLWP", "This is the asynchronous signal LWP" },
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#endif
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#if defined (PR_AGENT)
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/* Sol2.6: this lwp is the /proc agent lwp
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* Sol2.7: this lwp is the /proc agent lwp
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*/
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{ PR_AGENT, "PR_AGENT", "This is the /proc agent LWP" },
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#endif
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#if defined (PR_ISSYS)
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/* Sol2.5: system process
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* Sol2.6: this is a system process
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* Sol2.7: this is a system process
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* IRIX6: process is a system process
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* OSF: task/thread is a system task/thread
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* UW: System process
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*/
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{ PR_ISSYS, "PR_ISSYS", "Is a system process/thread" },
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#endif
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#if defined (PR_VFORKP)
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/* Sol2.6: process is the parent of a vfork()d child
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* Sol2.7: process is the parent of a vfork()d child
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*/
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{ PR_VFORKP, "PR_VFORKP", "Process is the parent of a vforked child" },
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#endif
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#ifdef PR_ORPHAN
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/* Sol2.6: process's process group is orphaned
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* Sol2.7: process's process group is orphaned
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*/
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{ PR_ORPHAN, "PR_ORPHAN", "Process's process group is orphaned" },
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#endif
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#if defined (PR_FORK)
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/* Sol2.5: inherit-on-fork is in effect
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* Sol2.6: inherit-on-fork is in effect
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* Sol2.7: inherit-on-fork is in effect
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* IRIX6: process has inherit-on-fork flag set
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* OSF: task/thread has inherit-on-fork flag set
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* UW: inherit-on-fork is in effect
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*/
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{ PR_FORK, "PR_FORK", "Inherit-on-fork is in effect" },
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#endif
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#if defined (PR_RLC)
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/* Sol2.5: run-on-last-close is in effect
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* Sol2.6: run-on-last-close is in effect
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* Sol2.7: run-on-last-close is in effect
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* IRIX6: process has run-on-last-close flag set
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* OSF: task/thread has run-on-last-close flag set
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* UW: Run-on-last-close is in effect
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*/
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{ PR_RLC, "PR_RLC", "Run-on-last-close is in effect" },
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#endif
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#if defined (PR_KLC)
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/* Sol2.5: kill-on-last-close is in effect
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* Sol2.6: kill-on-last-close is in effect
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* Sol2.7: kill-on-last-close is in effect
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* IRIX6: process has kill-on-last-close flag set
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* OSF: kill-on-last-close, superceeds RLC
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* UW: kill-on-last-close is in effect
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*/
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{ PR_KLC, "PR_KLC", "Kill-on-last-close is in effect" },
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#endif
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#if defined (PR_ASYNC)
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/* Sol2.5: asynchronous-stop is in effect
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* Sol2.6: asynchronous-stop is in effect
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* Sol2.7: asynchronous-stop is in effect
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* OSF: asynchronous stop mode is in effect
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* UW: asynchronous stop mode is in effect
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*/
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{ PR_ASYNC, "PR_ASYNC", "Asynchronous stop is in effect" },
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#endif
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#if defined (PR_MSACCT)
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/* Sol2.5: micro-state usage accounting is in effect
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* Sol2.6: micro-state usage accounting is in effect
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* Sol2.7: micro-state usage accounting is in effect
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*/
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{ PR_MSACCT, "PR_MSACCT", "Microstate accounting enabled" },
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#endif
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#if defined (PR_BPTADJ)
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/* Sol2.5: breakpoint trap pc adjustment is in effect
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* Sol2.6: breakpoint trap pc adjustment is in effect
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* Sol2.7: breakpoint trap pc adjustment is in effect
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*/
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{ PR_BPTADJ, "PR_BPTADJ", "Breakpoint PC adjustment in effect" },
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#endif
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#if defined (PR_PTRACE)
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/* Note: different meanings on Solaris and Irix 6
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* Sol2.5: obsolete, never set in SunOS5.0
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* Sol2.6: ptrace-compatibility mode is in effect
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* Sol2.7: ptrace-compatibility mode is in effect
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* IRIX6: process is traced with ptrace() too
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* OSF: task/thread is being traced by ptrace
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* UW: Process is being controlled by ptrace(2)
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*/
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{ PR_PTRACE, "PR_PTRACE", "Process is being controlled by ptrace" },
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#endif
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#if defined (PR_PCOMPAT)
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/* Note: PCOMPAT on Sol2.5 means same thing as PTRACE on Sol2.6
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* Sol2.5 (only): ptrace-compatibility mode is in effect
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*/
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{ PR_PCOMPAT, "PR_PCOMPAT", "Ptrace compatibility mode in effect" },
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#endif
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#ifdef PR_MSFORK
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/* Sol2.6: micro-state accounting inherited on fork
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* Sol2.7: micro-state accounting inherited on fork
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*/
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{ PR_MSFORK, "PR_PCOMPAT", "Micro-state accounting inherited on fork" },
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#endif
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#ifdef PR_ISKTHREAD
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/* Irix6: process is a kernel thread */
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{ PR_ISKTHREAD, "PR_KTHREAD", "Process is a kernel thread" },
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#endif
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#ifdef PR_ABORT
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/* OSF (only): abort the current stop condition */
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{ PR_ABORT, "PR_ABORT", "Abort the current stop condition" },
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#endif
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#ifdef PR_TRACING
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/* OSF: task is traced */
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{ PR_TRACING, "PR_TRACING", "Task is traced" },
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#endif
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#ifdef PR_STOPFORK
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/* OSF: stop child on fork */
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{ PR_STOPFORK, "PR_STOPFORK", "Stop child on fork" },
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#endif
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#ifdef PR_STOPEXEC
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/* OSF: stop on exec */
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{ PR_STOPEXEC, "PR_STOPEXEC", "Stop on exec" },
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#endif
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#ifdef PR_STOPTERM
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/* OSF: stop on task exit */
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{ PR_STOPTERM, "PR_STOPTERM", "Stop on task exit" },
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#endif
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#ifdef PR_STOPTCR
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/* OSF: stop on thread creation */
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{ PR_STOPTCR, "PR_STOPTCR", "Stop on thread creation" },
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#endif
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#ifdef PR_STOPTTERM
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/* OSF: stop on thread exit */
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{ PR_STOPTTERM, "PR_STOPTTERM", "Stop on thread exit" },
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#endif
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#ifdef PR_USCHED
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/* OSF: user level scheduling is in effect */
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{ PR_USCHED, "PR_USCHED", "User level scheduling is in effect" },
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#endif
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};
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void
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proc_prettyfprint_flags (FILE *file, unsigned long flags, int verbose)
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{
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int i;
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for (i = 0; i < sizeof (pr_flag_table) / sizeof (pr_flag_table[0]); i++)
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if (flags & pr_flag_table[i].value)
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{
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fprintf (file, "%s ", pr_flag_table[i].name);
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if (verbose)
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fprintf (file, "%s\n", pr_flag_table[i].desc);
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}
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if (!verbose)
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fprintf (file, "\n");
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}
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void
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proc_prettyprint_flags (unsigned long flags, int verbose)
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{
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proc_prettyfprint_flags (stdout, flags, verbose);
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}
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