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From: "czgf2v at 163 dot com" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug gdb/30242] New: gdb weird one specific command with specific input not valid to run Date: Sat, 18 Mar 2023 08:11:18 +0000 [thread overview] Message-ID: <bug-30242-4717@http.sourceware.org/bugzilla/> (raw) https://sourceware.org/bugzilla/show_bug.cgi?id=30242 Bug ID: 30242 Summary: gdb weird one specific command with specific input not valid to run Product: gdb Version: unknown Status: UNCONFIRMED Severity: normal Priority: P2 Component: gdb Assignee: unassigned at sourceware dot org Reporter: czgf2v at 163 dot com Target Milestone: 14.1 Created attachment 14756 --> https://sourceware.org/bugzilla/attachment.cgi?id=14756&action=edit basic.c my gdb config '~/dotfiles/colors.gdb' ```bash set trace-commands on shell test -e ~/.gdb-color-pipe && rm ~/.gdb-color-pipe shell touch ~/.gdb-color-pipe && echo " " >> ~/.gdb-color-pipe && cat ~/.gdb-color-pipe && ls -al ~ | grep gdb set confirm off set logging overwrite on set logging file ~/.gdb-color-pipe # set logging redirect on define hook-quit shell rm -f ~/.gdb-color-pipe end define setup-color-pipe set logging enabled on end define cleanup-color-pipe set logging enabled off end document cleanup-color-pipe Disables command redirection and removes the color pipe file. Syntax: cleanup-color-pipe end define do-generic-colors # 1. Function names and the class they belong to # 2. Function argument names # 3. Stack frame number # 4. Thread id colorization # 5. File path and line number shell cat ~/.gdb-color-pipe | \ sed -r "s_([^<])(\b([a-zA-Z0-9_]+::)?[a-zA-Z0-9_\.@]+)( ?)\(_\1$(tput setaf 6)$(tput bold)\2$(tput sgr0)\4(_g" | \ sed -r "s_([a-zA-Z0-9_#]*)=_$(tput setaf 2)$(tput bold)\1$(tput sgr0)=_g" | \ sed -r "s_^(#[0-9]*)_$(tput setaf 1)$(tput bold)\1$(tput sgr0)_" | \ sed -r "s_^([ \*]) ([0-9]+)_$(tput bold)$(tput setaf 6)\1 $(tput setaf 1)\2$(tput sgr0)_" | \ sed -r "s_(\.*[/A-Za-z0-9\+_\.\-]*):([0-9]+)\$_$(tput setaf 4)\1$(tput sgr0):$(tput setaf 3)\2$(tput sgr0)_" end #------------------------------------------------------------------------------# # Prompt #------------------------------------------------------------------------------# set prompt \001\033[01;34m\002(gdb) \001\033[0m\002 #------------------------------------------------------------------------------# # backtrace #------------------------------------------------------------------------------# define hook-backtrace setup-color-pipe end define hookpost-backtrace do-generic-colors cleanup-color-pipe end #------------------------------------------------------------------------------# # thread #------------------------------------------------------------------------------# define hook-thread setup-color-pipe end define hookpost-thread do-generic-colors cleanup-color-pipe end ``` the following code lines with "+" is debug info. I install gdb by ```bash sudo add-apt-repository ppa:ubuntu-support-team/gdb sudo apt update sudo apt install gdb # version in ubuntu =12.1.3139.g106791196f98+22.04.20221220200615 ``` then I run ```bash $ gdb -v GNU gdb (GDB) 14.0.50.20221220-git Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. $ cd /home/czg/CSAPP-3e-Solutions/site/content/gdb_repl;gcc -gdwarf-5 -g3 -ggdb3 basic.c -o basic;gdb -q -nx -nh ./basic -ex 'source ~/dotfiles/colors.gdb' -ex "br 11" -ex "start" +shell test -e ~/.gdb-color-pipe && rm ~/.gdb-color-pipe +shell touch ~/.gdb-color-pipe && echo " " >> ~/.gdb-color-pipe && cat ~/.gdb-color-pipe && ls -al ~ | grep gdb drwxr-xr-x 2 czg czg 4096 Mar 11 11:23 .cgdb -rw-rw-r-- 1 czg czg 2 Mar 18 15:57 .gdb-color-pipe -rw------- 1 czg czg 3433 Mar 18 15:03 .gdb_history -rw-rw-r-- 1 czg czg 93621 Mar 17 17:08 .gdbinit -rw-rw-r-- 1 czg czg 57755 Mar 14 16:47 .gdbinit_basic drwxrwxr-x 2 czg czg 4096 Mar 14 17:33 .gdbinit.d -rw-rw-r-- 1 czg czg 93621 Mar 16 14:47 .gdbinit_py -rw-rw-r-- 1 czg czg 92481 Mar 11 12:56 gdb.py -rw-rw-r-- 1 czg czg 0 Mar 16 18:09 .gdbtxt drwxr-xr-x 2 czg czg 4096 Mar 11 11:16 .tgdb .... +br 11 Breakpoint 1 at 0x119e: file basic.c, line 11. +start Temporary breakpoint 2 at 0x117c: file basic.c, line 8. Starting program: /home/czg/CSAPP-3e-Solutions/site/content/gdb_repl/basic [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Temporary breakpoint 2, main (argc=1, argv=0x7fffffffd6a8) at basic.c:8 8 int* basic = malloc(sizeof(int)); (gdb) bt +bt ++setup-color-pipe +++set logging enabled on #0 main (argc=1, argv=0x7fffffffd6a8) at basic.c:8 ++do-generic-colors +++shell cat ~/.gdb-color-pipe | sed -r "s_([^<])(\b([a-zA-Z0-9_]+::)?[a-zA-Z0-9_\.@]+)( ?)\(_\1$(tput setaf 6)$(tput bold)\2$(tput sgr0)\4(_g" | sed -r "s_([a-zA-Z0-9_#]*)=_$(tput setaf 2)$(tput bold)\1$(tput sgr0)=_g" | sed -r "s_^(#[0-9]*)_$(tput setaf 1)$(tput bold)\1$(tput sgr0)_" | sed -r "s_^([ \*]) ([0-9]+)_$(tput bold)$(tput setaf 6)\1 $(tput setaf 1)\2$(tput sgr0)_" | sed -r "s_(\.*[/A-Za-z0-9\+_\.\-]*):([0-9]+)\$_$(tput setaf 4)\1$(tput sgr0):$(tput setaf 3)\2$(tput sgr0)_" #0 main (argc=1, argv=0x7fffffffd6a8) at basic.c:8 ++cleanup-color-pipe +++set logging enabled off (gdb) thread +thread ++setup-color-pipe +++set logging enabled on [Current thread is 1 (Thread 0x7ffff7d58740 (LWP 48317))] ++do-generic-colors +++shell cat ~/.gdb-color-pipe | sed -r "s_([^<])(\b([a-zA-Z0-9_]+::)?[a-zA-Z0-9_\.@]+)( ?)\(_\1$(tput setaf 6)$(tput bold)\2$(tput sgr0)\4(_g" | sed -r "s_([a-zA-Z0-9_#]*)=_$(tput setaf 2)$(tput bold)\1$(tput sgr0)=_g" | sed -r "s_^(#[0-9]*)_$(tput setaf 1)$(tput bold)\1$(tput sgr0)_" | sed -r "s_^([ \*]) ([0-9]+)_$(tput bold)$(tput setaf 6)\1 $(tput setaf 1)\2$(tput sgr0)_" | sed -r "s_(\.*[/A-Za-z0-9\+_\.\-]*):([0-9]+)\$_$(tput setaf 4)\1$(tput sgr0):$(tput setaf 3)\2$(tput sgr0)_" ++cleanup-color-pipe +++set logging enabled off (gdb) !echo $SHELL +!echo $SHELL /bin/bash ``` but if in outside shell with same command can output something which is weird. ```bash $ echo $SHELL /bin/bash $ cat ~/.gdb-color-pipe | sed -r "s_([^<])(\b([a-zA-Z0-9_]+::)?[a-zA-Z0-9_\.@]+)( ?)\(_\1$(tput setaf 6)$(tput bold)\2$(tput sgr0)\4(_g" | sed -r "s_([a-zA-Z0-9_#]*)=_$(tput setaf 2)$(tput bold)\1$(tput sgr0)=_g" | sed -r "s_^(#[0-9]*)_$(tput setaf 1)$(tput bold)\1$(tput sgr0)_" | sed -r "s_^([ \*]) ([0-9]+)_$(tput bold)$(tput setaf 6)\1 $(tput setaf 1)\2$(tput sgr0)_" | sed -r "s_(\.*[/A-Za-z0-9\+_\.\-]*):([0-9]+)\$_$(tput setaf 4)\1$(tput sgr0):$(tput setaf 3)\2$(tput sgr0)_" [Current thread is 1 (Thread 0x7ffff7d58740 (LWP 48317))] ++do-generic-colors +++shell cat ~/.gdb-color-pipe | sed -r "s_([^<])(\b([a-zA-Z0-9_]+::)?[a-zA-Z0-9_\.@]+)( ?)\(_\1$(tput setaf 6)$(tput bold)\2$(tput sgr0)\4(_g" | sed -r "s_([a-zA-Z0-9_#]*)=_$(tput setaf 2)$(tput bold)\1$(tput sgr0)=_g" | sed -r "s_^(#[0-9]*)_$(tput setaf 1)$(tput bold)\1$(tput sgr0)_" | sed -r "s_^([ \*]) ([0-9]+)_$(tput bold)$(tput setaf 6)\1 $(tput setaf 1)\2$(tput sgr0)_" | sed -r "s_(\.*[/A-Za-z0-9\+_\.\-]*):([0-9]+)\$_$(tput setaf 4)\1$(tput sgr0):$(tput setaf 3)\2$(tput sgr0)_" ++cleanup-color-pipe +++set logging enabled off ``` -- You are receiving this mail because: You are on the CC list for the bug.
next reply other threads:[~2023-03-18 8:11 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-18 8:11 czgf2v at 163 dot com [this message] 2023-03-18 8:18 ` [Bug gdb/30242] " czgf2v at 163 dot com 2023-03-18 8:18 ` czgf2v at 163 dot com 2023-03-18 8:19 ` czgf2v at 163 dot com 2023-03-18 15:11 ` tromey at sourceware dot org 2023-03-18 16:07 ` czgf2v at 163 dot com 2023-03-18 16:29 ` czgf2v at 163 dot com 2023-03-20 11:11 ` czgf2v at 163 dot com 2023-03-20 15:32 ` czgf2v at 163 dot com 2023-03-21 14:57 ` tromey at sourceware dot org 2023-03-22 8:11 ` czgf2v at 163 dot com 2023-07-05 14:22 ` brobecker at gnat dot com 2023-07-12 7:44 ` czgf2v at 163 dot com 2023-07-31 16:30 ` tromey at sourceware dot org
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