From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Zakharov Date: Tue, 7 Jun 2016 09:26:29 +0000 Subject: [Buildroot] [PATCH] uboot: Use "mdbtrick" target when building elf for ARC In-Reply-To: <1464371501-24130-1-git-send-email-vzakhar@synopsys.com> References: <1464371501-24130-1-git-send-email-vzakhar@synopsys.com> Message-ID: <1465291589.19154.9.camel@synopsys.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Fri, 2016-05-27 at 20:51 +0300, Zakharov Vlad wrote: > By default position independent executables (PIE) are generated > when building U-Boot elf target. MetaWare debugger doesn't support > PIE (position-independent executable). > > In order to allow MDB load and run U-Boot elf, we need to do a > special trick, called "mdbtrick". > > This special build target is used to fake generated U-Boot elf by: > ????1. Reset PIE flag in ELF header > ????2. Strip all debug information from elf > > Signed-off-by: Zakharov Vlad > --- > ?boot/uboot/uboot.mk | 4 ++++ > ?1 file changed, 4 insertions(+) > > diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk > index e739638..d8cdf5c 100644 > --- a/boot/uboot/uboot.mk > +++ b/boot/uboot/uboot.mk > @@ -38,6 +38,10 @@ endif > ? > ?ifeq ($(BR2_TARGET_UBOOT_FORMAT_ELF),y) > ?UBOOT_BIN = u-boot > +# To make elf usable for debuging on ARC use special target > +ifeq ($(BR2_arc),y) > +UBOOT_MAKE_TARGET = mdbtrick > +endif > ?else ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y) > ?UBOOT_BIN = u-boot.kwb > ?UBOOT_MAKE_TARGET = $(UBOOT_BIN) I'm wondering if there are any comments on that patch? Otherwise please consider to apply it. -- Best regards, Vlad Zakharov