Add -fasynchronous-unwind-tables compiler flag for all objects, to improve backtrace functionality, getting full backtrace whatever functions are in the call stack. Signed-off-by: Filippo Arcidiacono Signed-off-by: Carmelo Amoroso --- Rules.mak | 5 +++++ libc/signal/Makefile.in | 4 ---- libc/stdlib/Makefile.in | 4 ---- .../sysdeps/unix/sysv/linux/Makefile.commonarch | 4 ---- 4 files changed, 5 insertions(+), 12 deletions(-) diff --git Rules.mak Rules.mak index 792b794..1cf7adc 100644 --- Rules.mak +++ Rules.mak @@ -636,6 +636,11 @@ -I$(top_srcdir)libc/sysdeps/linux \ -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH) +# Needed to get full backtrace +ifeq ($(UCLIBC_HAS_BACKTRACE),y) +CFLAGS += -fasynchronous-unwind-tables +endif + # We need this to be checked within libc-symbols.h ifneq ($(HAVE_SHARED),y) CFLAGS += -DSTATIC diff --git libc/signal/Makefile.in libc/signal/Makefile.in index 6c355b5..ebc4619 100644 --- libc/signal/Makefile.in +++ libc/signal/Makefile.in @@ -24,10 +24,6 @@ CSRC-y := $(filter-out $(notdir $(ARCH_OBJS:.o=.c)),$(CSRC-y)) endif -ifneq ($(UCLIBC_HAS_BACKTRACE),) -CFLAGS-raise.c = -fasynchronous-unwind-tables -endif - SIGNAL_DIR := $(top_srcdir)libc/signal SIGNAL_OUT := $(top_builddir)libc/signal diff --git libc/stdlib/Makefile.in libc/stdlib/Makefile.in index 880de78..b737708 100644 --- libc/stdlib/Makefile.in +++ libc/stdlib/Makefile.in @@ -27,10 +27,6 @@ gcvt.c CSRC-$(UCLIBC_SUSV3_LEGACY) += mktemp.c -ifneq ($(UCLIBC_HAS_BACKTRACE),) -CFLAGS-abort.c = -fasynchronous-unwind-tables -endif - # multi source stdlib.c CSRC-y += abs.c labs.c atoi.c atol.c strtol.c strtoul.c _stdlib_strto_l.c \ qsort.c qsort_r.c bsearch.c \ diff --git libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch index 3372214..2eeb516 100644 --- libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch +++ libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch @@ -128,10 +128,6 @@ CFLAGS-timer_routines.c = -I$(top_srcdir)librt -DIS_IN_librt CFLAGS-timer_settime.c = -I$(top_srcdir)librt -DIS_IN_librt -ifneq ($(UCLIBC_HAS_BACKTRACE),) -CFLAGS-raise.c = -fasynchronous-unwind-tables -endif - CFLAGS-linux = -DNOT_IN_libc -DIS_IN_libpthread $(SSP_ALL_CFLAGS) CFLAGS-OMIT-libc_pthread_init.c = -DNOT_IN_libc -DIS_IN_libpthread