You forgot about my favorite use of gdb: $ gdb --args a b c gdb> run # wait for segfault gdb> bt ... gdb> quit
On July 26, 2015 12:54:34 PM CDT, hiro <23h...@gmail.com> wrote: >Who claimed fast compilation was a motive? >From what I understand this is all about being able to use gdb for >debugging. > >It makes sense to me, but it might still be subjective. >If you care I will explain my experience: > >Some longer time ago I tried gdb for disassembling some secret binary, >but quickly gave up cause of the complex interface and reverted to >objdump instead. I wasted a lot of time and that made me hate gdb a >lot. > >Now, much later I started using gdb again, cause as long as it has >access to the source analyzing coredumps is very easy. It's a better >workflow than my printf() debugging, because the Makefiles of the >project I'm working on are so complex and broken that everybody avoids >compiling (takes too long). >I have seen many complaints in Ron's commit logs about makefiles, too. >I'm fairly certain that for Harvey and Akaros they're pretty much >forced just like me into a coredump-driven development workflow. > >tldr: gcc is needed so that we can use gdb so that we don't have to >compile as often so that we can fix bugs faster. > >On 7/26/15, erik quanstrom <quans...@quanstro.net> wrote: >> just speaking for myself, I found the fact that plan 9 was a self >contained >> thing to be a must have. i don't consider the gcc toolchain to be a >> feature. >> >> if "fast compilation" is a feature over plan 9, I'd like to see some >> numbers. >> >> - erik >> >> On Jul 25, 2015 3:15 PM, Axel Belinfante >> ><[?&cs=wh&v=b&to=axel.belinfa...@utwente.nl]axel.belinfa...@utwente.nl> >> wrote: >>> >>> I couldn’t resist looking, and found >>> >in >[http://www.google.com/url?q=http%3A%2F%2Fwww.osnews.com%2Fcomments%2F28699&sa=D&sntz=1&usg=AFQjCNGHKFWanYoFNYbSy6In7LAXtMi-tg]http://www.osnews.com/comments/28699 >>> >>> "Harvey is an effort to get the Plan 9 code working with gcc and >clang”. >>> >>> So, in a way it seems to be a port of Plan 9. >>> >>> More details, including the feature list below, are >>> >at >[http://www.google.com/url?q=http%3A%2F%2Fharvey-os.org&sa=D&sntz=1&usg=AFQjCNErZ4XfGFvsgbhV-uqEiG8K2pSdYQ]http://harvey-os.org >>> >>> Features >>> >>> • AMD 64 bit >>> • Modern, simplified syscall system >>> • GCC toolchain means you can use gdb(!) >>> • Compile in Linux or OSX using Harvey's headers and libs, no need >to >>> change anything else >>> • Fast compilation of the whole system >>> • All Plan9 userland apps available >>> • Plans to add X11 with rio-like multiplexing, tty driver, new >fileserver, >>> native toolchain and more >>> >>> I’m intrigued by the “compile … using Harvey's headers and libs, no >need >>> to change anything else” — >>> I guess that means that it will be easy to “port” stuff to Harvey? >>> >>> The team list contains names well-known on this list... >>> >>> I must say, it looks quite interesting, worth checking out. >>> >>> Axel. >>> >>>> On 25 Jul 2015, at 17:58, Ryan Gonzalez >>>> <[?&cs=wh&v=b&to=rym...@gmail.com]rym...@gmail.com> wrote: >>>> >>> No clue. I'm guessing it's heavily inspired by Plan 9. >>> >>> On July 25, 2015 3:34:13 AM CDT, >>> "[?&cs=wh&v=b&to=st...@quintile.net]st...@quintile.net" >>> <[?&cs=wh&v=b&to=st...@quintile.net]st...@quintile.net> wrote: >>>> >>>> not sure what Harvey is... is it just plan9 ported to build on gcc? >>>> >>>> if so does gcc run under Harvey? >>>> >>>> does gcc run under plan9 now? >>>> >>>> Steve >>>> >>>> >>>> >>>> >>>> On 25 Jul 2015, at 01:43, Ryan Gonzalez >>>> <[?&cs=wh&v=b&to=rym...@gmail.com]rym...@gmail.com> wrote: >>>> >>>>> >[https://www.google.com/url?q=https%3A%2F%2Fmedium.com%2Fthis-is-not-a-monad-tutorial%2Fharvey-an-operating-system-with-plan-9-s-shadow-3081414e5f0b&sa=D&sntz=1&usg=AFQjCNFKZSymwu8nNoZ6I7kp6PyVvp9A1g]https://medium.com/this-is-not-a-monad-tutorial/harvey-an-operating-system-with-plan-9-s-shadow-3081414e5f0b >>>>> >>>>> I'm not affiliated with this whatsoever; I just saw it on Reddit >and >>>>> found it interesting. >>>>> >>>>> I found this part particularly neat: >>>>> >>>>> > We are working in ANSI POSIX environment to have most of well >known >>>>> > tools and programs that programmers or end users expects to have >in a >>>>> > modern operating system. Things that for traditional Plan 9 >would be >>>>> > very difficult to have. >>>>> >>>>> -- >>>>> Sent from my Nexus 5 with K-9 Mail. Please excuse my brevity. >>> >>> >>> -- >>> Sent from my Nexus 5 with K-9 Mail. Please excuse my brevity. >>> >> -- Sent from my Nexus 5 with K-9 Mail. Please excuse my brevity.
