Forgot to mention, also applicable to Morty. --Mark
On 12/8/16 1:03 PM, Mark Hatle wrote: > From: Yuanjie Huang <[email protected]> > > ARM stack frames for abort and raise were limited to the the actual > abort and raise call, such as: > > Obtained 4 stack frames. > ./test-app(print_trace+0x1c) [0x10a08] > ./test-app() [0x10b3c] > /lib/libc.so.6(__default_sa_restorer+0) [0x4adae1e0] > /lib/libc.so.6(gsignal+0xa0) [0x4adacf74] > > This is not terribly useful when trying to figure out what function > may have called called the abort, especially when using pthreads. > > After the change the trace would now look like: > > Obtained 8 stack frames. > ./test-app(print_trace+0x1c) [0x10a08] > ./test-app() [0x10b3c] > /lib/libc.so.6(__default_sa_restorer+0) [0x4befe1e0] > /lib/libc.so.6(gsignal+0xa0) [0x4befcf74] > /lib/libc.so.6(abort+0x134) [0x4befe358] > ./test-app(dummy_function+0x50) [0x10adc] > ./test-app(main+0xd4) [0x10c24] > /lib/libc.so.6(__libc_start_main+0x114) [0x4bee7a58] > > Signed-off-by: Yuanjie Huang <[email protected]> > Signed-off-by: Mark Hatle <[email protected]> > --- > meta/recipes-core/glibc/glibc.inc | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/meta/recipes-core/glibc/glibc.inc > b/meta/recipes-core/glibc/glibc.inc > index e85c7044a0..358e69be67 100644 > --- a/meta/recipes-core/glibc/glibc.inc > +++ b/meta/recipes-core/glibc/glibc.inc > @@ -78,3 +78,9 @@ do_configure_prepend() { > } > > GLIBC_ADDONS ?= "nptl,libidn" > + > +# Enable backtrace from abort() > +do_configure_append_arm () { > + echo "CFLAGS-abort.c = -funwind-tables" >> ${B}/configparms > + echo "CFLAGS-raise.c = -funwind-tables" >> ${B}/configparms > +} > -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
