| /* Machine independent support for SVR4 /proc (process file system) for GDB. |
| Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| Written by Michael Snyder at Cygnus Solutions. |
| Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* |
| * Pretty-print the prstatus flags. |
| * |
| * Arguments: unsigned long flags, int verbose |
| * |
| */ |
| |
| #include "defs.h" |
| |
| #if defined (NEW_PROC_API) |
| #define _STRUCTURED_PROC 1 |
| #endif |
| |
| #include <sys/types.h> |
| #include <sys/procfs.h> |
| |
| #include "proc-utils.h" |
| |
| /* Much of the information used in the /proc interface, particularly for |
| printing status information, is kept as tables of structures of the |
| following form. These tables can be used to map numeric values to |
| their symbolic names and to a string that describes their specific use. */ |
| |
| struct trans { |
| int value; /* The numeric value */ |
| char *name; /* The equivalent symbolic value */ |
| char *desc; /* Short description of value */ |
| }; |
| |
| /* Translate bits in the pr_flags member of the prstatus structure, |
| into the names and desc information. */ |
| |
| static struct trans pr_flag_table[] = |
| { |
| #if defined (PR_STOPPED) |
| /* Sol2.5: lwp is stopped |
| * Sol2.6: lwp is stopped |
| * Sol2.7: lwp is stopped |
| * IRIX6: process is stopped |
| * OSF: task/thread is stopped |
| * UW: LWP is stopped |
| */ |
| { PR_STOPPED, "PR_STOPPED", "Process (LWP) is stopped" }, |
| #endif |
| #if defined (PR_ISTOP) |
| /* Sol2.5: lwp is stopped on an event of interest |
| * Sol2.6: lwp is stopped on an event of interest |
| * Sol2.7: lwp is stopped on an event of interest |
| * IRIX6: process is stopped on event of interest |
| * OSF: task/thread stopped on event of interest |
| * UW: LWP stopped on an event of interest |
| */ |
| { PR_ISTOP, "PR_ISTOP", "Stopped on an event of interest" }, |
| #endif |
| #if defined (PR_DSTOP) |
| /* Sol2.5: lwp has a stop directive in effect |
| * Sol2.6: lwp has a stop directive in effect |
| * Sol2.7: lwp has a stop directive in effect |
| * IRIX6: process has stop directive in effect |
| * OSF: task/thread has stop directive in effect |
| * UW: A stop directive is in effect |
| */ |
| { PR_DSTOP, "PR_DSTOP", "A stop directive is in effect" }, |
| #endif |
| #if defined (PR_STEP) |
| /* Sol2.5: lwp has a single-step directive in effect |
| * Sol2.6: lwp has a single-step directive in effect |
| * Sol2.7: lwp has a single-step directive in effect |
| * IRIX6: process has single step pending |
| */ |
| { PR_STEP, "PR_STEP", "A single step directive is in effect" }, |
| #endif |
| #if defined (PR_ASLEEP) |
| /* Sol2.5: lwp is sleeping in a system call |
| * Sol2.6: lwp is sleeping in a system call |
| * Sol2.7: lwp is sleeping in a system call |
| * IRIX6: process is in an interruptible sleep |
| * OSF: task/thread is asleep within a system call |
| * UW: LWP is sleep()ing in a system call |
| */ |
| { PR_ASLEEP, "PR_ASLEEP", "Sleeping in an (interruptible) system call" }, |
| #endif |
| #if defined (PR_PCINVAL) |
| /* Sol2.5: contents of pr_instr undefined |
| * Sol2.6: contents of pr_instr undefined |
| * Sol2.7: contents of pr_instr undefined |
| * IRIX6: current pc is invalid |
| * OSF: program counter contains invalid address |
| * UW: %pc refers to an invalid virtual address |
| */ |
| { PR_PCINVAL, "PR_PCINVAL", "PC (pr_instr) is invalid" }, |
| #endif |
| #if defined (PR_ASLWP) |
| /* Sol2.5: this lwp is the aslwp |
| * Sol2.6: this lwp is the aslwp |
| * Sol2.7: this lwp is the aslwp |
| */ |
| { PR_ASLWP, "PR_ASLWP", "This is the asynchronous signal LWP" }, |
| #endif |
| #if defined (PR_AGENT) |
| /* Sol2.6: this lwp is the /proc agent lwp |
| * Sol2.7: this lwp is the /proc agent lwp |
| */ |
| { PR_AGENT, "PR_AGENT", "This is the /proc agent LWP" }, |
| #endif |
| #if defined (PR_ISSYS) |
| /* Sol2.5: system process |
| * Sol2.6: this is a system process |
| * Sol2.7: this is a system process |
| * IRIX6: process is a system process |
| * OSF: task/thread is a system task/thread |
| * UW: System process |
| */ |
| { PR_ISSYS, "PR_ISSYS", "Is a system process/thread" }, |
| #endif |
| #if defined (PR_VFORKP) |
| /* Sol2.6: process is the parent of a vfork()d child |
| * Sol2.7: process is the parent of a vfork()d child |
| */ |
| { PR_VFORKP, "PR_VFORKP", "Process is the parent of a vforked child" }, |
| #endif |
| #ifdef PR_ORPHAN |
| /* Sol2.6: process's process group is orphaned |
| * Sol2.7: process's process group is orphaned |
| */ |
| { PR_ORPHAN, "PR_ORPHAN", "Process's process group is orphaned" }, |
| #endif |
| #if defined (PR_FORK) |
| /* Sol2.5: inherit-on-fork is in effect |
| * Sol2.6: inherit-on-fork is in effect |
| * Sol2.7: inherit-on-fork is in effect |
| * IRIX6: process has inherit-on-fork flag set |
| * OSF: task/thread has inherit-on-fork flag set |
| * UW: inherit-on-fork is in effect |
| */ |
| { PR_FORK, "PR_FORK", "Inherit-on-fork is in effect" }, |
| #endif |
| #if defined (PR_RLC) |
| /* Sol2.5: run-on-last-close is in effect |
| * Sol2.6: run-on-last-close is in effect |
| * Sol2.7: run-on-last-close is in effect |
| * IRIX6: process has run-on-last-close flag set |
| * OSF: task/thread has run-on-last-close flag set |
| * UW: Run-on-last-close is in effect |
| */ |
| { PR_RLC, "PR_RLC", "Run-on-last-close is in effect" }, |
| #endif |
| #if defined (PR_KLC) |
| /* Sol2.5: kill-on-last-close is in effect |
| * Sol2.6: kill-on-last-close is in effect |
| * Sol2.7: kill-on-last-close is in effect |
| * IRIX6: process has kill-on-last-close flag set |
| * OSF: kill-on-last-close, superceeds RLC |
| * UW: kill-on-last-close is in effect |
| */ |
| { PR_KLC, "PR_KLC", "Kill-on-last-close is in effect" }, |
| #endif |
| #if defined (PR_ASYNC) |
| /* Sol2.5: asynchronous-stop is in effect |
| * Sol2.6: asynchronous-stop is in effect |
| * Sol2.7: asynchronous-stop is in effect |
| * OSF: asynchronous stop mode is in effect |
| * UW: asynchronous stop mode is in effect |
| */ |
| { PR_ASYNC, "PR_ASYNC", "Asynchronous stop is in effect" }, |
| #endif |
| #if defined (PR_MSACCT) |
| /* Sol2.5: micro-state usage accounting is in effect |
| * Sol2.6: micro-state usage accounting is in effect |
| * Sol2.7: micro-state usage accounting is in effect |
| */ |
| { PR_MSACCT, "PR_MSACCT", "Microstate accounting enabled" }, |
| #endif |
| #if defined (PR_BPTADJ) |
| /* Sol2.5: breakpoint trap pc adjustment is in effect |
| * Sol2.6: breakpoint trap pc adjustment is in effect |
| * Sol2.7: breakpoint trap pc adjustment is in effect |
| */ |
| { PR_BPTADJ, "PR_BPTADJ", "Breakpoint PC adjustment in effect" }, |
| #endif |
| #if defined (PR_PTRACE) |
| /* Note: different meanings on Solaris and Irix 6 |
| * Sol2.5: obsolete, never set in SunOS5.0 |
| * Sol2.6: ptrace-compatibility mode is in effect |
| * Sol2.7: ptrace-compatibility mode is in effect |
| * IRIX6: process is traced with ptrace() too |
| * OSF: task/thread is being traced by ptrace |
| * UW: Process is being controlled by ptrace(2) |
| */ |
| { PR_PTRACE, "PR_PTRACE", "Process is being controlled by ptrace" }, |
| #endif |
| #if defined (PR_PCOMPAT) |
| /* Note: PCOMPAT on Sol2.5 means same thing as PTRACE on Sol2.6 |
| * Sol2.5 (only): ptrace-compatibility mode is in effect |
| */ |
| { PR_PCOMPAT, "PR_PCOMPAT", "Ptrace compatibility mode in effect" }, |
| #endif |
| #ifdef PR_MSFORK |
| /* Sol2.6: micro-state accounting inherited on fork |
| * Sol2.7: micro-state accounting inherited on fork |
| */ |
| { PR_MSFORK, "PR_PCOMPAT", "Micro-state accounting inherited on fork" }, |
| #endif |
| |
| #ifdef PR_ISKTHREAD |
| /* Irix6: process is a kernel thread */ |
| { PR_ISKTHREAD, "PR_KTHREAD", "Process is a kernel thread" }, |
| #endif |
| |
| #ifdef PR_ABORT |
| /* OSF (only): abort the current stop condition */ |
| { PR_ABORT, "PR_ABORT", "Abort the current stop condition" }, |
| #endif |
| |
| #ifdef PR_TRACING |
| /* OSF: task is traced */ |
| { PR_TRACING, "PR_TRACING", "Task is traced" }, |
| #endif |
| |
| #ifdef PR_STOPFORK |
| /* OSF: stop child on fork */ |
| { PR_STOPFORK, "PR_STOPFORK", "Stop child on fork" }, |
| #endif |
| |
| #ifdef PR_STOPEXEC |
| /* OSF: stop on exec */ |
| { PR_STOPEXEC, "PR_STOPEXEC", "Stop on exec" }, |
| #endif |
| |
| #ifdef PR_STOPTERM |
| /* OSF: stop on task exit */ |
| { PR_STOPTERM, "PR_STOPTERM", "Stop on task exit" }, |
| #endif |
| |
| #ifdef PR_STOPTCR |
| /* OSF: stop on thread creation */ |
| { PR_STOPTCR, "PR_STOPTCR", "Stop on thread creation" }, |
| #endif |
| |
| #ifdef PR_STOPTTERM |
| /* OSF: stop on thread exit */ |
| { PR_STOPTTERM, "PR_STOPTTERM", "Stop on thread exit" }, |
| #endif |
| |
| #ifdef PR_USCHED |
| /* OSF: user level scheduling is in effect */ |
| { PR_USCHED, "PR_USCHED", "User level scheduling is in effect" }, |
| #endif |
| }; |
| |
| void |
| proc_prettyfprint_flags (FILE *file, unsigned long flags, int verbose) |
| { |
| int i; |
| |
| for (i = 0; i < sizeof (pr_flag_table) / sizeof (pr_flag_table[0]); i++) |
| if (flags & pr_flag_table[i].value) |
| { |
| fprintf (file, "%s ", pr_flag_table[i].name); |
| if (verbose) |
| fprintf (file, "%s\n", pr_flag_table[i].desc); |
| } |
| if (!verbose) |
| fprintf (file, "\n"); |
| } |
| |
| void |
| proc_prettyprint_flags (unsigned long flags, int verbose) |
| { |
| proc_prettyfprint_flags (stdout, flags, verbose); |
| } |
