Message ID | 1301402371-8697-1-git-send-email-wd@denx.de |
---|---|
State | Accepted |
Headers | show |
Dear Po-Yu Chuang, In message <1301402371-8697-1-git-send-email-wd@denx.de> I wrote: > Commit 44c6e65 "rename _end to __bss_end__ broke building of a large > number of systems (at least all PowerPC?): > > libstubs.o: In function `app_startup': > examples/standalone/stubs.c:197: undefined reference to `__bss_end__' > > The rename should not be done for the files in the > examples/standalone/ directory, as these are not using the code from > start.S, but do their own BSS clearing, and either use their own > linker scripts or the ones provided by the compilers. > > Signed-off-by: Wolfgang Denk <wd@denx.de> > --- > V2: Instead of messing with linker defines, revert the patch in > question for the files in examples/standalone/ as suggested by > Albert Aribaud. (Thanks!) Only now I realize that you submitted the very same patch before. Stupid me. Does that mean that we have an agreement that this hould be the fix then? If yes, I would like to pull this in (Po-Yu Chuang's patch, that is). Do you agree? Best regards, Wolfgang Denk
Hi Wolfgang, On Wed, Mar 30, 2011 at 3:51 AM, Wolfgang Denk <wd@denx.de> wrote: > Dear Po-Yu Chuang, > > In message <1301402371-8697-1-git-send-email-wd@denx.de> I wrote: >> Commit 44c6e65 "rename _end to __bss_end__ broke building of a large >> number of systems (at least all PowerPC?): >> >> libstubs.o: In function `app_startup': >> examples/standalone/stubs.c:197: undefined reference to `__bss_end__' >> >> The rename should not be done for the files in the >> examples/standalone/ directory, as these are not using the code from >> start.S, but do their own BSS clearing, and either use their own >> linker scripts or the ones provided by the compilers. >> >> Signed-off-by: Wolfgang Denk <wd@denx.de> >> --- >> V2: Instead of messing with linker defines, revert the patch in >> question for the files in examples/standalone/ as suggested by >> Albert Aribaud. (Thanks!) > > Only now I realize that you submitted the very same patch before. > Stupid me. > > Does that mean that we have an agreement that this hould be the fix > then? If yes, I would like to pull this in (Po-Yu Chuang's patch, > that is). > > Do you agree? Your commit message is better. Please just use your v2 as is. :-) Thanks, Po-Yu Chuang
On Mar 29, 2011, at 8:38 PM, Po-Yu Chuang wrote: > Hi Wolfgang, > > On Wed, Mar 30, 2011 at 3:51 AM, Wolfgang Denk <wd@denx.de> wrote: >> Dear Po-Yu Chuang, >> >> In message <1301402371-8697-1-git-send-email-wd@denx.de> I wrote: >>> Commit 44c6e65 "rename _end to __bss_end__ broke building of a large >>> number of systems (at least all PowerPC?): >>> >>> libstubs.o: In function `app_startup': >>> examples/standalone/stubs.c:197: undefined reference to `__bss_end__' >>> >>> The rename should not be done for the files in the >>> examples/standalone/ directory, as these are not using the code from >>> start.S, but do their own BSS clearing, and either use their own >>> linker scripts or the ones provided by the compilers. >>> >>> Signed-off-by: Wolfgang Denk <wd@denx.de> >>> --- >>> V2: Instead of messing with linker defines, revert the patch in >>> question for the files in examples/standalone/ as suggested by >>> Albert Aribaud. (Thanks!) >> >> Only now I realize that you submitted the very same patch before. >> Stupid me. >> >> Does that mean that we have an agreement that this hould be the fix >> then? If yes, I would like to pull this in (Po-Yu Chuang's patch, >> that is). >> >> Do you agree? > > Your commit message is better. Please just use your v2 as is. :-) We putting this into the tree, would be nice to have builds working again ;) - k
diff --git a/examples/standalone/mips.lds b/examples/standalone/mips.lds index 68ae217..63a1c92 100644 --- a/examples/standalone/mips.lds +++ b/examples/standalone/mips.lds @@ -55,5 +55,5 @@ SECTIONS .sbss (NOLOAD) : { *(.sbss) } .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - __bss_end__ = .; + _end = .; } diff --git a/examples/standalone/sparc.lds b/examples/standalone/sparc.lds index 7f060b6..9733daa 100644 --- a/examples/standalone/sparc.lds +++ b/examples/standalone/sparc.lds @@ -57,5 +57,5 @@ SECTIONS } . = ALIGN(4); __bss_end = .; - __bss_end__ = .; + _end = .; } diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c index 1379df7..2d2e709 100644 --- a/examples/standalone/stubs.c +++ b/examples/standalone/stubs.c @@ -187,14 +187,14 @@ void __attribute__((unused)) dummy(void) #include <_exports.h> } -extern unsigned long __bss_start, __bss_end__; +extern unsigned long __bss_start, _end; void app_startup(char * const *argv) { unsigned char * cp = (unsigned char *) &__bss_start; /* Zero out BSS */ - while (cp < (unsigned char *)&__bss_end__) { + while (cp < (unsigned char *)&_end) { *cp++ = 0; }
Commit 44c6e65 "rename _end to __bss_end__ broke building of a large number of systems (at least all PowerPC?): libstubs.o: In function `app_startup': examples/standalone/stubs.c:197: undefined reference to `__bss_end__' The rename should not be done for the files in the examples/standalone/ directory, as these are not using the code from start.S, but do their own BSS clearing, and either use their own linker scripts or the ones provided by the compilers. Signed-off-by: Wolfgang Denk <wd@denx.de> --- V2: Instead of messing with linker defines, revert the patch in question for the files in examples/standalone/ as suggested by Albert Aribaud. (Thanks!) examples/standalone/mips.lds | 2 +- examples/standalone/sparc.lds | 2 +- examples/standalone/stubs.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-)