This avoids a memcpy to the stack when compiled with clang.
Since we don't enable optimization, nor provide memcpy,
this results in an undefined symbol error at link time.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-7-alex.bennee@linaro.org>
A build of GCC 13.2 will have stack protector enabled by default if it
was configured with --enable-default-ssp option. For such a compiler,
it is necessary to explicitly disable stack protector when linking
without standard libraries.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20230731091042.139159-3-akihiko.odaki@daynix.com>
[AJB: fix comment string typo]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231029145033.592566-3-alex.bennee@linaro.org>
Leading underscores followed by a capital letter or underscore are
reserved by the C standard.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/369
Signed-off-by: Ahmed Abouzied <email@aabouzied.com>
Message-Id: <20210605174938.13782-1-email@aabouzied.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
For i386 specifically, this allows using the host GCC
to compile the i386 tests. But, it should really be
done for all targets, unless we want to pass $(EXTRA_CFLAGS)
directly as part of $(CC).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20190807143523.15917-2-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
We will likely want a few common functions to make up for the fact we
don't have a libc and we don't want to feel like we are programming by
banging rocks together.
I've purloined the printf function from:
https://git.virtualopensystems.com/dev/tcg_baremetal_tests
Although I have tweaked the names to avoid confusing GCC about clashing
with builtins.
Cc: Alexander Spyridakis <a.spyridakis@virtualopensystems.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
