Date: Mon, 12 Apr 2010 21:54:13 +0200 From: Bernd Walter <ticso@cicely7.cicely.de> To: Dmitry Krivenok <krivenok.dmitry@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Build world with DEBUG_FLAGS='-g -O0' Message-ID: <20100412195413.GG12315@cicely7.cicely.de> In-Reply-To: <s2yda48cf211004121134pac044f18q5a9983dc4df1d6da@mail.gmail.com> References: <s2yda48cf211004121134pac044f18q5a9983dc4df1d6da@mail.gmail.com>
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On Mon, Apr 12, 2010 at 10:34:30PM +0400, Dmitry Krivenok wrote: > Hello Hackers, > > I'm trying to build FreeBSD-CURRENT (r206494) with DEBUG_FLAGS='-g -O0'. > > Below are the commands I executed: > > export DEBUG_FLAGS='-g -O0' > > cd /usr/src/ > > time make buildworld > > > I got the following error: > > ... > > ... > > objcopy -S -O binary boot2.out boot2.bin > > btxld -v -E 0x2000 -f bin -b > /usr/src/obj/usr/src/sys/boot/i386/boot2/../btx/btx/btx -l boot2.ldr -o > boot2.ld -P 1 boot2.bin > > kernel: ver=1.02 size=690 load=9000 entry=9010 map=16M pgctl=1:1 > > client: fmt=bin size=20ed text=0 data=0 bss=0 entry=0 > > output: fmt=bin size=297d text=200 data=277d org=0 entry=0 > > -2941 bytes available > > *** Error code 1 > > > > Stop in /usr/src/sys/boot/i386/boot2. > > *** Error code 1 > > > > Stop in /usr/src/sys/boot/i386. > > *** Error code 1 > > > > Stop in /usr/src/sys/boot. > > *** Error code 1 > > > > Stop in /usr/src/sys. > > *** Error code 1 > > > > Stop in /usr/src. > > *** Error code 1 > > > > Stop in /usr/src. > > *** Error code 1 > > > > Stop in /usr/src. > > > > real 87m23.033s > > user 53m7.195s > > sys 30m10.744s > > > Error message "-2941 bytes available" is not clear for me :) > What's wrong? It is 2941 bytes too big for bootcode. Bootcode is size constrained. > > Thank you beforehand! > > P.S. > Note that compiling with DEBUG_FLAGS='-g' works fine. Yes - because it compiles with -O2 then, which allows the compiler to buld smaller code. -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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