[lldb-dev] lldb built with self-hosted clang toolchain issues garbage output on quitting
Du Toit, Stefanus
stefanus.du.toit at intel.com
Thu Aug 15 13:04:35 PDT 2013
I'm not sure about the garbage characters, but the missing prompt is usually due to a bug in the version of libedit shipping with common Linux distributions.
http://llvm.org/bugs/show_bug.cgi?id=14637
The latest libedit has that fixed, so you could give that a shot.
--
Stefanus Du Toit <stefanus.du.toit at intel.com>
Intel Waterloo
From: Zack Perry <zack.perry at sbcglobal.net<mailto:zack.perry at sbcglobal.net>>
Reply-To: Zack Perry <zack.perry at sbcglobal.net<mailto:zack.perry at sbcglobal.net>>
Date: Thursday, 15 August, 2013 2:48 PM
To: "lldb-dev at cs.uiuc.edu<mailto:lldb-dev at cs.uiuc.edu>" <lldb-dev at cs.uiuc.edu<mailto:lldb-dev at cs.uiuc.edu>>
Subject: [lldb-dev] lldb built with self-hosted clang toolchain issues garbage output on quitting
I just built lldb 3.3 (with the official release tar ball) using a self-hosted clang toolchain (built with libc++abi and libc++ too. No libstdc++ dependency whatsoever)
The box runs Ubuntu 12.04 64bit with the latest updates. Upon launching it after make install, the first help displayed correct message. Then no prompt and a quit command generated a lot garbage characters ;-(
Is there a way to get around this issue? I really would love to try the lldb built with a pure clang tool-chain.
-- Zack
zackp at nb1:~/Downloads/clang3.3/build$ lldb
(lldb) helpThe following is a list of built-in, permanent debugger commands:
_regexp-attach -- Attach to a process id if in decimal, otherwise treat the argument as a process name to attach to.
_regexp-break -- Set a breakpoint using a regular expression to specify the location, where <linenum> is in decimal and <address> is in hex.
_regexp-bt -- Show a backtrace. An optional argument is accepted; if that argument is a number, it specifies the number of frames to display. If that argument is 'all', full
backtraces of all threads are displayed.
_regexp-display -- Add an expression evaluation stop-hook.
_regexp-down -- Go down "n" frames in the stack (1 frame by default).
_regexp-env -- Implements a shortcut to viewing and setting environment variables.
_regexp-list -- Implements the GDB 'list' command in all of its forms except FILE:FUNCTION and maps them to the appropriate 'source list' commands.
_regexp-tbreak -- Set a one shot breakpoint using a regular expression to specify the location, where <linenum> is in decimal and <address> is in hex.
_regexp-undisplay -- Remove an expression evaluation stop-hook.
_regexp-up -- Go up "n" frames in the stack (1 frame by default).
apropos -- Find a list of debugger commands related to a particular word/subject.
breakpoint -- A set of commands for operating on breakpoints. Also see _regexp-break.
command -- A set of commands for managing or customizing the debugger commands.
disassemble -- Disassemble bytes in the current function, or elsewhere in the executable program as specified by the user.
expression -- Evaluate a C/ObjC/C++ expression in the current program context, using user defined variables and variables currently in scope.
frame -- A set of commands for operating on the current thread's frames.
gdb-remote -- Connect to a remote GDB server. If no hostname is provided, localhost is assumed.
help -- Show a list of all debugger commands, or give details about specific commands.
kdp-remote -- Connect to a remote KDP server. udp port 41139 is the default port number.
log -- A set of commands for operating on logs.
memory -- A set of commands for operating on memory.
platform -- A set of commands to manage and create platforms.
plugin -- A set of commands for managing or customizing plugin commands.
process -- A set of commands for operating on a process.
quit -- Quit out of the LLDB debugger.
register -- A set of commands to access thread registers.
script -- Pass an expression to the script interpreter for evaluation and return the results. Drop into the interactive interpreter if no expression is given.
settings -- A set of commands for manipulating internal settable debugger variables.
source -- A set of commands for accessing source file information
target -- A set of commands for operating on debugger targets.
thread -- A set of commands for operating on one or more threads within a running process.
type -- A set of commands for operating on the type system
version -- Show version of LLDB debugger.
watchpoint -- A set of commands for operating on watchpoints.
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