Although xt-clang is based on clang, for some reason, it still
lists xcc system include path as the first search path (e.g.
for stddef.h), and the clang system include path as last. This
creates a big issue when the code starts to use any standards
past C89 (since xcc is based on GCC 4.2). We can use compiler
property nostdin_include to add -isystem to compiler options.
However, some modules (e.g. picolibcs) somehow ignore this.
So we also need to forcibly do add_compile_options() to make
sure the clang system include path is placed before the xcc
system include path.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Xtensa toolchain xt-clang needs similar treatment to xcc in
terms of nostdinc and nostdinc_include, so add it to the if
block to exclude these by default.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
"-fshort-enums" changes the ABI. It's not enabled for gcc, so it's not
clear why it's enabled for clang (only ARM) and armclang, other than it
looks like some users of these toolchains may be linking against code
that is compiled with "-fshort-enums".
As an example, when compiling with clang, CONFIG_LTO, and a toolchain
built without "-fshort-enums", the linker warns:
ld.lld: error: linking module flags 'min_enum_size': IDs have
conflicting values in
'/usr/armv7m-cros-eabi/usr/lib/libc++_static.a(string.cpp.o at 784090)'
and 'ld-temp.o'
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
When running naive sim builds using clang, respect user passed
SYSROOT_DIR values. Additionally, allow overriding the archive tool
when calling Make for the native simulator.
Add the sysroot (if available) to the native_simulator target and
TOOLCHAIN_C_FLAGS and TOOLCHAIN_LD_FLAGS. Additionally pass CMAKE_AR
to NSI_AR.
Signed-off-by: Yuval Peress <peress@google.com>
Rework how the compilation-options for the gperf generated
kobject_hash*.c files are put together to fix problems with SHELL:
and cmake-list separators handling.
zephyr_get_compile_options_for_lang_as_string() returns the set of
options as a cmake generator expression string which is cumbersome to
edit. This caused the command line for the IAR toolchain to have broken
SHELL: entries, and other some command line entries being postfixed by
"gnu".
This also adds CMake compiler properties for no_function_sections and
no_data_sections options
Signed-off-by: Björn Bergman <bjorn.bergman@iar.com>
The RX floating-point hardware only works on 32-bit values
so default gcc will build doubles as 32-bit, this make many
test fail on RX build test.
This commit force the build for RX arch to use 64-bit doubles
FPU will be supported later on this arch
Signed-off-by: Duy Nguyen <duy.nguyen.xa@renesas.com>
The QingKe V2C has an integer multiplier but no divide. Add support
for the corresponding Zmmul extension and, as the extension was added
in GCC 13.0, add a test for the compiler version.
Signed-off-by: Michael Hope <michaelh@juju.nz>
GCC and Clang support the undefined behavior sanitizer in any
configuration, the only restriction is that if you want to get nice
messages printed, then you need the ubsan library routines which are only
present for posix architecture or when using picolibc.
This patch adds three new compiler properties:
* sanitizer_undefined. Enables the undefined behavior sanitizer.
* sanitizer_undefined_library. Calls ubsan library routines on fault.
* sanitizer_undefined_trap. Invokes __builtin_trap() on fault.
Overhead for using the trapping sanitizer is fairly low and should be
considered for use in CI once all of the undefined behavior faults in
Zephyr are fixed.
Signed-off-by: Keith Packard <keithp@keithp.com>
Removes functions that would handle deprecated variables and
functionality from CMake within Zephyr that were deprecated in
Zephyr 3.1 onwards but before 3.7
Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
Rewrote the warning levels for toolchain IAR as IAR tools just turn
off warnings, not on. Also did some minor cleanup for coding
guidelines.
Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
xt-clang is usually based on older version of clang, and
Zephyr main targets more recent versions. Because of this,
some newer compiler flags may cause warnings where twister
would mark as test being failed. To workaround that,
add -Wno-unknown-warning-option to suppress those warnings.
Fixes#84138
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Introduce GCC_COMPILER_VERSION to be used in Zephyr CMake when knowledge
of the current GCC Compiler version is needed and
CMAKE_C_COMPILER_VERSION has not been defined yet.
CMAKE_C_COMPILER_VERSION is not defined until project() is called.
Signed-off-by: Torsten Rasmussen <torsten.rasmussen@nordicsemi.no>
CMSIS modules dsp and nn sets the optimization flag -Ofast for their
libraries. I've now made a new compiler property optimization_fast to
avoid using ifdefs in the cmsis CMakeLists.txt files.
I've update GCC and arcmwdt (not sure if arcmwdt supports -Ofast)
Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
Currently some subsystems outside the zephyr kernel
use VLA:s such as bluetooth. We will enable it for now
in the same kind of situations as gcc.
Signed-off-by: Robin Kastberg <robin.kastberg@iar.com>
On RISC-V, GCC and possibly other compilers include small globals in
special "small data" sections like .sbss and .sdata.
This allows accessing these globals using the global pointer register
and an offset, which is faster than ordinary relocations.
Currently, llext_load does not support multiple NOBIT sections.
Thus, llext's that use both .bss and .sbss sections cannot be relocated.
Also, the global pointer cannot be used in llext's, as it does not
change when calling into or returning from an llext, making the
optimization pointless for llext.
This commit disables the use of small data sections by adding the
appropriate compiler flag when compiling llext's.
In addition to solving the aforementioned issue, this fixes llext's
test_inspect on RISC-V.
Signed-off-by: Eric Ackermann <eric.ackermann@cispa.de>
Add the -imacros property for assembler language to compensate
for changes introduced in PR #84800.
Signed-off-by: Björn Bergman <bjorn.bergman@iar.com>
The IAR linker does not handle Dwarf 5 and since it uses the GCC
assembler for assembler files, we need to make sure the assembler
output uses Dwarf 4.
Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
Some basic flags that were hardcoded needed
to be moved to properties to be able to implement
alternative toolchains.
Signed-off-by: Robin Kastberg <robin.kastberg@iar.com>
Enforces bitness match of ARC compilers and linkers invoked
building LLEXT apps by inheriting -mcpu flag from Zephyr.
The ARC toolchain becomes confused without the -mcpu flag.
On qemu_hs5x we see GCC select elf32-littlearc64 for
linking an object previously compiled as elf64-littlearc64.
Fixes#80949
Signed-off-by: Lauren Murphy <lauren.murphy@intel.com>
The Zaamo and Zalrsc Extension (Version v1.0.0, 2024-04-25; Ratified) split
the standard A extension into two subextensions. As of date, the `_zaamo`
and `_zlrsc` extension specifications are accepted by the upstream
in-development GCC through the `march` argument. This means that those
subextensions are not yet supported by GCC shipped with Zephyr SDK.
Signed-off-by: Filip Kokosinski <fkokosinski@antmicro.com>
GCC versions starting from 4.3.0 until 12.4.0 stored the limits.h header in
a directory named include-fixed/ . Before 4.3.0 and after 12.4.0 i.e. from
13.1.0 onward, the header is stored in a directory named include/ .
Previously, target.cmake would only detect if the GCC version was 13.1.0 or
newer. This patch adds a check to also check if it is older than 4.3.0.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
GCC versions before 7.1.0 do not have the -fno-printf-return-value flag and
give an error if it is used. This patch improves compatibility with older
compilers by making CMake check for the flag's availability before using.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
The -fdiagnostics-color flag is only on GCC versions 4.9.0 and newer.
Previously, CMake only checked that the compiler was not the XCC compiler
before using the flag.
However, given that the flag us unavailable on compilers other than XCC,
e.g. old versions of GCC, this patch replaces the previous logic with a
flag-check using the check_set_compiler_property() CMake function.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
This patch changes the way extensions are built to allow for debugging
information to be collected. Debug flags are now used when compiling and
linking the extension source code, generating a debuggable ELF file.
The final .llext file is then stripped of unneeded symbols, including
all debugging information, at packaging time.
The debugging flag is still removed from the EDK-exported flags.
Signed-off-by: Luca Burelli <l.burelli@arduino.cc>
This reverts commit 9d849d92bf that seems to
be causing dozens of basic kernel test failures across various platforms.
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
STACK_CANARIES was enabling canaries in all functions using the compiler
flag -fstack-protector-all. This became confuse with the addition of the
options STRONG and EXPLICIT.
This commit adds the missing option (default level) and disambiguous the
options mapping them close to the compiler flags.
Now we have the following options:
STACK_CANARIES -> fstack-protector
STACK_CANARIES_STRONG -> fstack-protector-strong
STACK_CANARIES_ALL -> fstack-protector-all
STACK_CANARIES_EXPLICIT -> fstack-protector-explicit
Note that from now on STACK_CANARIES_ALL is the symbol that adds canaries
for all functions.
Signed-off-by: Flavio Ceolin <flavio.ceolin@gmail.com>
Add option to enable stack canaries only when explicitely
declared. It adds a new function attribute, __stack_protect, that
can be used to enable stack protection in a function.
Signed-off-by: Flavio Ceolin <flavio.ceolin@gmail.com>
Previously, when stack canaries were enabled, Zephyr applied this
protection to all functions. This commit introduces a new option that
allows stack canary protection to be applied selectively to specific
functions based on certain criteria.
Signed-off-by: Flavio Ceolin <flavio.ceolin@gmail.com>
CMakeLists.txt uses the C compiler parameter -include,
This is causing issues for other toolchains and needs to generalized.
Signed-off-by: Robin Kastberg <robin.kastberg@iar.com>
The LLEXT linker for Xtensa cannot relocate FLIX commands, disable
them in extensions only until we have a solution. Note, that this
only affects extensions, the main Zephyr binary is still built with
FLIX commands.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Currently when building LLEXT for Xtensa we use the -fPIC compiler
option, but this cannot be used when using detached sections in
extensions. Add a Kconfig option to switch between the two
compilation modes and switch -fPIC off when building relocatable
(partially linked) ELF binaries.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
