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Re: [PATCH v3 1/3] common: remove -fno-stack-protector from EMBEDDED_EXTRA_CFLAGS
- To: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 11 Dec 2024 08:49:02 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 11 Dec 2024 07:49:20 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 11.12.2024 03:04, Volodymyr Babchuk wrote:
> This patch is preparation for making stack protector
> configurable. First step is to remove -fno-stack-protector flag from
> EMBEDDED_EXTRA_CFLAGS so separate components (Hypervisor in this case)
> can enable/disable this feature by themselves.
>
> Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
with ...
> --- a/stubdom/Makefile
> +++ b/stubdom/Makefile
> @@ -14,6 +14,8 @@ export debug=y
> # Moved from config/StdGNU.mk
> CFLAGS += -O1 -fno-omit-frame-pointer
>
> +CFLAGS += -fno-stack-protector
> +
> ifeq (,$(findstring clean,$(MAKECMDGOALS)))
> ifeq ($(wildcard $(MINI_OS)/Config.mk),)
> $(error Please run 'make mini-os-dir' in top-level directory)
> @@ -54,6 +56,7 @@ TARGET_CFLAGS += $(CFLAGS)
> TARGET_CPPFLAGS += $(CPPFLAGS)
> $(call cc-options-add,TARGET_CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
>
> +
> # Do not use host headers and libs
> GCC_INSTALL = $(shell LANG=C gcc -print-search-dirs | sed -n -e 's/install:
> \(.*\)/\1/p')
> TARGET_CPPFLAGS += -U __linux__ -U __FreeBSD__ -U __sun__
... this stray (and wrong) hunk dropped. Can likely be done while committing.
Jan
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