mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
![Linus Torvalds](/assets/img/avatar_default.png)
- Avoid 'constexpr', which is a keyword in C23 - Allow 'dtbs_check' and 'dt_compatible_check' run independently of 'dt_binding_check' - Fix weak references to avoid GOT entries in position-independent code generation - Convert the last use of 'optional' property in arch/sh/Kconfig - Remove support for the 'optional' property in Kconfig - Remove support for Clang's ThinLTO caching, which does not work with the .incbin directive - Change the semantics of $(src) so it always points to the source directory, which fixes Makefile inconsistencies between upstream and downstream - Fix 'make tar-pkg' for RISC-V to produce a consistent package - Provide reasonable default coverage for objtool, sanitizers, and profilers - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc. - Remove the last use of tristate choice in drivers/rapidio/Kconfig - Various cleanups and fixes in Kconfig -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmZFlGcVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsG8voQALC8NtFpduWVfLRj2Qg6Ll/xf1vX 2igcTJEOFHkeqXLGoT8dTDKLEipUBUvKyguPq66CGwVTe2g6zy/nUSXeVtFrUsIa msLTi8FqhqUo5lodNvGMRf8qqmuqcvnXoiQwIocF92jtsFy14bhiFY+n4HfcFNjj GOKwqBZYQUwY/VVb090efc7RfS9c7uwABJSBelSoxg3AGZriwjGy7Pw5aSKGgVYi inqL1eR6qwPP6z7CgQWM99soP+zwybFZmnQrsD9SniRBI4rtAat8Ih5jQFaSUFUQ lk2w0NQBRFN88/uR2IJ2GWuIlQ74WeJ+QnCqVuQ59tV5zw90wqSmLzngfPD057Dv JjNuhk0UyXVtpIg3lRtd4810ppNSTe33b9OM4O2H846W/crju5oDRNDHcflUXcwm Rmn5ho1rb5QVzDVejJbgwidnUInSgJ9PZcvXQ/RJVZPhpgsBzAY9pQexG1G3hviw y9UDrt6KP6bF9tHjmolmtdIes9Pj0c4dN6/Rdj4HS4hIQ/GDar0tnwvOvtfUctNL orJlBsA6GeMmDVXKkR0ytOCWRYqWWbyt8g70RVKQJfuHX7/hGyAQPaQ2/u4mQhC2 aevYfbNJMj0VDfGz81HDBKFtkc5n+Ite8l157dHEl2LEabkOkRdNVcn7SNbOvZmd ZCSnZ31h7woGfNho =D5B/ -----END PGP SIGNATURE----- Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Avoid 'constexpr', which is a keyword in C23 - Allow 'dtbs_check' and 'dt_compatible_check' run independently of 'dt_binding_check' - Fix weak references to avoid GOT entries in position-independent code generation - Convert the last use of 'optional' property in arch/sh/Kconfig - Remove support for the 'optional' property in Kconfig - Remove support for Clang's ThinLTO caching, which does not work with the .incbin directive - Change the semantics of $(src) so it always points to the source directory, which fixes Makefile inconsistencies between upstream and downstream - Fix 'make tar-pkg' for RISC-V to produce a consistent package - Provide reasonable default coverage for objtool, sanitizers, and profilers - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc. - Remove the last use of tristate choice in drivers/rapidio/Kconfig - Various cleanups and fixes in Kconfig * tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits) kconfig: use sym_get_choice_menu() in sym_check_prop() rapidio: remove choice for enumeration kconfig: lxdialog: remove initialization with A_NORMAL kconfig: m/nconf: merge two item_add_str() calls kconfig: m/nconf: remove dead code to display value of bool choice kconfig: m/nconf: remove dead code to display children of choice members kconfig: gconf: show checkbox for choice correctly kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal Makefile: remove redundant tool coverage variables kbuild: provide reasonable defaults for tool coverage modules: Drop the .export_symbol section from the final modules kconfig: use menu_list_for_each_sym() in sym_check_choice_deps() kconfig: use sym_get_choice_menu() in conf_write_defconfig() kconfig: add sym_get_choice_menu() helper kconfig: turn defaults and additional prompt for choice members into error kconfig: turn missing prompt for choice members into error kconfig: turn conf_choice() into void function kconfig: use linked list in sym_set_changed() kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED kconfig: gconf: remove debug code ...
464 lines
20 KiB
Makefile
464 lines
20 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
# Where to place rustdoc generated documentation
|
|
rustdoc_output := $(objtree)/Documentation/output/rust/rustdoc
|
|
|
|
obj-$(CONFIG_RUST) += core.o compiler_builtins.o
|
|
always-$(CONFIG_RUST) += exports_core_generated.h
|
|
|
|
# Missing prototypes are expected in the helpers since these are exported
|
|
# for Rust only, thus there is no header nor prototypes.
|
|
obj-$(CONFIG_RUST) += helpers.o
|
|
CFLAGS_REMOVE_helpers.o = -Wmissing-prototypes -Wmissing-declarations
|
|
|
|
always-$(CONFIG_RUST) += libmacros.so
|
|
no-clean-files += libmacros.so
|
|
|
|
always-$(CONFIG_RUST) += bindings/bindings_generated.rs bindings/bindings_helpers_generated.rs
|
|
obj-$(CONFIG_RUST) += alloc.o bindings.o kernel.o
|
|
always-$(CONFIG_RUST) += exports_alloc_generated.h exports_bindings_generated.h \
|
|
exports_kernel_generated.h
|
|
|
|
always-$(CONFIG_RUST) += uapi/uapi_generated.rs
|
|
obj-$(CONFIG_RUST) += uapi.o
|
|
|
|
ifdef CONFIG_RUST_BUILD_ASSERT_ALLOW
|
|
obj-$(CONFIG_RUST) += build_error.o
|
|
else
|
|
always-$(CONFIG_RUST) += build_error.o
|
|
endif
|
|
|
|
obj-$(CONFIG_RUST) += exports.o
|
|
|
|
always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated.rs
|
|
always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated_kunit.c
|
|
|
|
obj-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated.o
|
|
obj-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated_kunit.o
|
|
|
|
# Avoids running `$(RUSTC)` for the sysroot when it may not be available.
|
|
ifdef CONFIG_RUST
|
|
|
|
# `$(rust_flags)` is passed in case the user added `--sysroot`.
|
|
rustc_sysroot := $(shell MAKEFLAGS= $(RUSTC) $(rust_flags) --print sysroot)
|
|
rustc_host_target := $(shell $(RUSTC) --version --verbose | grep -F 'host: ' | cut -d' ' -f2)
|
|
RUST_LIB_SRC ?= $(rustc_sysroot)/lib/rustlib/src/rust/library
|
|
|
|
ifeq ($(quiet),silent_)
|
|
cargo_quiet=-q
|
|
rust_test_quiet=-q
|
|
rustdoc_test_quiet=--test-args -q
|
|
rustdoc_test_kernel_quiet=>/dev/null
|
|
else ifeq ($(quiet),quiet_)
|
|
rust_test_quiet=-q
|
|
rustdoc_test_quiet=--test-args -q
|
|
rustdoc_test_kernel_quiet=>/dev/null
|
|
else
|
|
cargo_quiet=--verbose
|
|
endif
|
|
|
|
core-cfgs = \
|
|
--cfg no_fp_fmt_parse
|
|
|
|
alloc-cfgs = \
|
|
--cfg no_global_oom_handling \
|
|
--cfg no_rc \
|
|
--cfg no_sync
|
|
|
|
quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
|
|
cmd_rustdoc = \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(RUSTDOC) $(if $(rustdoc_host),$(rust_common_flags),$(rust_flags)) \
|
|
$(rustc_target_flags) -L$(objtree)/$(obj) \
|
|
--output $(rustdoc_output) \
|
|
--crate-name $(subst rustdoc-,,$@) \
|
|
$(if $(rustdoc_host),,--sysroot=/dev/null) \
|
|
@$(objtree)/include/generated/rustc_cfg $<
|
|
|
|
# The `html_logo_url` and `html_favicon_url` forms of the `doc` attribute
|
|
# can be used to specify a custom logo. However:
|
|
# - The given value is used as-is, thus it cannot be relative or a local file
|
|
# (unlike the non-custom case) since the generated docs have subfolders.
|
|
# - It requires adding it to every crate.
|
|
# - It requires changing `core` which comes from the sysroot.
|
|
#
|
|
# Using `-Zcrate-attr` would solve the last two points, but not the first.
|
|
# The https://github.com/rust-lang/rfcs/pull/3226 RFC suggests two new
|
|
# command-like flags to solve the issue. Meanwhile, we use the non-custom case
|
|
# and then retouch the generated files.
|
|
rustdoc: rustdoc-core rustdoc-macros rustdoc-compiler_builtins \
|
|
rustdoc-alloc rustdoc-kernel
|
|
$(Q)cp $(srctree)/Documentation/images/logo.svg $(rustdoc_output)/static.files/
|
|
$(Q)cp $(srctree)/Documentation/images/COPYING-logo $(rustdoc_output)/static.files/
|
|
$(Q)find $(rustdoc_output) -name '*.html' -type f -print0 | xargs -0 sed -Ei \
|
|
-e 's:rust-logo-[0-9a-f]+\.svg:logo.svg:g' \
|
|
-e 's:favicon-[0-9a-f]+\.svg:logo.svg:g' \
|
|
-e 's:<link rel="alternate icon" type="image/png" href="[/.]+/static\.files/favicon-(16x16|32x32)-[0-9a-f]+\.png">::g' \
|
|
-e 's:<a href="srctree/([^"]+)">:<a href="$(realpath $(srctree))/\1">:g'
|
|
$(Q)for f in $(rustdoc_output)/static.files/rustdoc-*.css; do \
|
|
echo ".logo-container > img { object-fit: contain; }" >> $$f; done
|
|
|
|
rustdoc-macros: private rustdoc_host = yes
|
|
rustdoc-macros: private rustc_target_flags = --crate-type proc-macro \
|
|
--extern proc_macro
|
|
rustdoc-macros: $(src)/macros/lib.rs FORCE
|
|
+$(call if_changed,rustdoc)
|
|
|
|
rustdoc-core: private rustc_target_flags = $(core-cfgs)
|
|
rustdoc-core: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
|
|
+$(call if_changed,rustdoc)
|
|
|
|
rustdoc-compiler_builtins: $(src)/compiler_builtins.rs rustdoc-core FORCE
|
|
+$(call if_changed,rustdoc)
|
|
|
|
# We need to allow `rustdoc::broken_intra_doc_links` because some
|
|
# `no_global_oom_handling` functions refer to non-`no_global_oom_handling`
|
|
# functions. Ideally `rustdoc` would have a way to distinguish broken links
|
|
# due to things that are "configured out" vs. entirely non-existing ones.
|
|
rustdoc-alloc: private rustc_target_flags = $(alloc-cfgs) \
|
|
-Arustdoc::broken_intra_doc_links
|
|
rustdoc-alloc: $(RUST_LIB_SRC)/alloc/src/lib.rs rustdoc-core rustdoc-compiler_builtins FORCE
|
|
+$(call if_changed,rustdoc)
|
|
|
|
rustdoc-kernel: private rustc_target_flags = --extern alloc \
|
|
--extern build_error --extern macros=$(objtree)/$(obj)/libmacros.so \
|
|
--extern bindings --extern uapi
|
|
rustdoc-kernel: $(src)/kernel/lib.rs rustdoc-core rustdoc-macros \
|
|
rustdoc-compiler_builtins rustdoc-alloc $(obj)/libmacros.so \
|
|
$(obj)/bindings.o FORCE
|
|
+$(call if_changed,rustdoc)
|
|
|
|
quiet_cmd_rustc_test_library = RUSTC TL $<
|
|
cmd_rustc_test_library = \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(RUSTC) $(rust_common_flags) \
|
|
@$(objtree)/include/generated/rustc_cfg $(rustc_target_flags) \
|
|
--crate-type $(if $(rustc_test_library_proc),proc-macro,rlib) \
|
|
--out-dir $(objtree)/$(obj)/test --cfg testlib \
|
|
--sysroot $(objtree)/$(obj)/test/sysroot \
|
|
-L$(objtree)/$(obj)/test \
|
|
--crate-name $(subst rusttest-,,$(subst rusttestlib-,,$@)) $<
|
|
|
|
rusttestlib-build_error: $(src)/build_error.rs rusttest-prepare FORCE
|
|
+$(call if_changed,rustc_test_library)
|
|
|
|
rusttestlib-macros: private rustc_target_flags = --extern proc_macro
|
|
rusttestlib-macros: private rustc_test_library_proc = yes
|
|
rusttestlib-macros: $(src)/macros/lib.rs rusttest-prepare FORCE
|
|
+$(call if_changed,rustc_test_library)
|
|
|
|
rusttestlib-bindings: $(src)/bindings/lib.rs rusttest-prepare FORCE
|
|
+$(call if_changed,rustc_test_library)
|
|
|
|
rusttestlib-uapi: $(src)/uapi/lib.rs rusttest-prepare FORCE
|
|
+$(call if_changed,rustc_test_library)
|
|
|
|
quiet_cmd_rustdoc_test = RUSTDOC T $<
|
|
cmd_rustdoc_test = \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(RUSTDOC) --test $(rust_common_flags) \
|
|
@$(objtree)/include/generated/rustc_cfg \
|
|
$(rustc_target_flags) $(rustdoc_test_target_flags) \
|
|
--sysroot $(objtree)/$(obj)/test/sysroot $(rustdoc_test_quiet) \
|
|
-L$(objtree)/$(obj)/test --output $(rustdoc_output) \
|
|
--crate-name $(subst rusttest-,,$@) $<
|
|
|
|
quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $<
|
|
cmd_rustdoc_test_kernel = \
|
|
rm -rf $(objtree)/$(obj)/test/doctests/kernel; \
|
|
mkdir -p $(objtree)/$(obj)/test/doctests/kernel; \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(RUSTDOC) --test $(rust_flags) \
|
|
-L$(objtree)/$(obj) --extern alloc --extern kernel \
|
|
--extern build_error --extern macros \
|
|
--extern bindings --extern uapi \
|
|
--no-run --crate-name kernel -Zunstable-options \
|
|
--sysroot=/dev/null \
|
|
--test-builder $(objtree)/scripts/rustdoc_test_builder \
|
|
$< $(rustdoc_test_kernel_quiet); \
|
|
$(objtree)/scripts/rustdoc_test_gen
|
|
|
|
%/doctests_kernel_generated.rs %/doctests_kernel_generated_kunit.c: \
|
|
$(src)/kernel/lib.rs $(obj)/kernel.o \
|
|
$(objtree)/scripts/rustdoc_test_builder \
|
|
$(objtree)/scripts/rustdoc_test_gen FORCE
|
|
+$(call if_changed,rustdoc_test_kernel)
|
|
|
|
# We cannot use `-Zpanic-abort-tests` because some tests are dynamic,
|
|
# so for the moment we skip `-Cpanic=abort`.
|
|
quiet_cmd_rustc_test = RUSTC T $<
|
|
cmd_rustc_test = \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(RUSTC) --test $(rust_common_flags) \
|
|
@$(objtree)/include/generated/rustc_cfg \
|
|
$(rustc_target_flags) --out-dir $(objtree)/$(obj)/test \
|
|
--sysroot $(objtree)/$(obj)/test/sysroot \
|
|
-L$(objtree)/$(obj)/test \
|
|
--crate-name $(subst rusttest-,,$@) $<; \
|
|
$(objtree)/$(obj)/test/$(subst rusttest-,,$@) $(rust_test_quiet) \
|
|
$(rustc_test_run_flags)
|
|
|
|
rusttest: rusttest-macros rusttest-kernel
|
|
|
|
# This prepares a custom sysroot with our custom `alloc` instead of
|
|
# the standard one.
|
|
#
|
|
# This requires several hacks:
|
|
# - Unlike `core` and `alloc`, `std` depends on more than a dozen crates,
|
|
# including third-party crates that need to be downloaded, plus custom
|
|
# `build.rs` steps. Thus hardcoding things here is not maintainable.
|
|
# - `cargo` knows how to build the standard library, but it is an unstable
|
|
# feature so far (`-Zbuild-std`).
|
|
# - `cargo` only considers the use case of building the standard library
|
|
# to use it in a given package. Thus we need to create a dummy package
|
|
# and pick the generated libraries from there.
|
|
# - The usual ways of modifying the dependency graph in `cargo` do not seem
|
|
# to apply for the `-Zbuild-std` steps, thus we have to mislead it
|
|
# by modifying the sources in the sysroot.
|
|
# - To avoid messing with the user's Rust installation, we create a clone
|
|
# of the sysroot. However, `cargo` ignores `RUSTFLAGS` in the `-Zbuild-std`
|
|
# steps, thus we use a wrapper binary passed via `RUSTC` to pass the flag.
|
|
#
|
|
# In the future, we hope to avoid the whole ordeal by either:
|
|
# - Making the `test` crate not depend on `std` (either improving upstream
|
|
# or having our own custom crate).
|
|
# - Making the tests run in kernel space (requires the previous point).
|
|
# - Making `std` and friends be more like a "normal" crate, so that
|
|
# `-Zbuild-std` and related hacks are not needed.
|
|
quiet_cmd_rustsysroot = RUSTSYSROOT
|
|
cmd_rustsysroot = \
|
|
rm -rf $(objtree)/$(obj)/test; \
|
|
mkdir -p $(objtree)/$(obj)/test; \
|
|
cp -a $(rustc_sysroot) $(objtree)/$(obj)/test/sysroot; \
|
|
echo '\#!/bin/sh' > $(objtree)/$(obj)/test/rustc_sysroot; \
|
|
echo "$(RUSTC) --sysroot=$(abspath $(objtree)/$(obj)/test/sysroot) \"\$$@\"" \
|
|
>> $(objtree)/$(obj)/test/rustc_sysroot; \
|
|
chmod u+x $(objtree)/$(obj)/test/rustc_sysroot; \
|
|
$(CARGO) -q new $(objtree)/$(obj)/test/dummy; \
|
|
RUSTC=$(objtree)/$(obj)/test/rustc_sysroot $(CARGO) $(cargo_quiet) \
|
|
test -Zbuild-std --target $(rustc_host_target) \
|
|
--manifest-path $(objtree)/$(obj)/test/dummy/Cargo.toml; \
|
|
rm $(objtree)/$(obj)/test/sysroot/lib/rustlib/$(rustc_host_target)/lib/*; \
|
|
cp $(objtree)/$(obj)/test/dummy/target/$(rustc_host_target)/debug/deps/* \
|
|
$(objtree)/$(obj)/test/sysroot/lib/rustlib/$(rustc_host_target)/lib
|
|
|
|
rusttest-prepare: FORCE
|
|
+$(call if_changed,rustsysroot)
|
|
|
|
rusttest-macros: private rustc_target_flags = --extern proc_macro
|
|
rusttest-macros: private rustdoc_test_target_flags = --crate-type proc-macro
|
|
rusttest-macros: $(src)/macros/lib.rs rusttest-prepare FORCE
|
|
+$(call if_changed,rustc_test)
|
|
+$(call if_changed,rustdoc_test)
|
|
|
|
rusttest-kernel: private rustc_target_flags = --extern alloc \
|
|
--extern build_error --extern macros --extern bindings --extern uapi
|
|
rusttest-kernel: $(src)/kernel/lib.rs rusttest-prepare \
|
|
rusttestlib-build_error rusttestlib-macros rusttestlib-bindings \
|
|
rusttestlib-uapi FORCE
|
|
+$(call if_changed,rustc_test)
|
|
+$(call if_changed,rustc_test_library)
|
|
|
|
ifdef CONFIG_CC_IS_CLANG
|
|
bindgen_c_flags = $(c_flags)
|
|
else
|
|
# bindgen relies on libclang to parse C. Ideally, bindgen would support a GCC
|
|
# plugin backend and/or the Clang driver would be perfectly compatible with GCC.
|
|
#
|
|
# For the moment, here we are tweaking the flags on the fly. This is a hack,
|
|
# and some kernel configurations may not work (e.g. `GCC_PLUGIN_RANDSTRUCT`
|
|
# if we end up using one of those structs).
|
|
bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
|
|
-mskip-rax-setup -mgeneral-regs-only -msign-return-address=% \
|
|
-mindirect-branch=thunk-extern -mindirect-branch-register \
|
|
-mfunction-return=thunk-extern -mrecord-mcount -mabi=lp64 \
|
|
-mindirect-branch-cs-prefix -mstack-protector-guard% -mtraceback=no \
|
|
-mno-pointers-to-nested-functions -mno-string \
|
|
-mno-strict-align -mstrict-align \
|
|
-fconserve-stack -falign-jumps=% -falign-loops=% \
|
|
-femit-struct-debug-baseonly -fno-ipa-cp-clone -fno-ipa-sra \
|
|
-fno-partial-inlining -fplugin-arg-arm_ssp_per_task_plugin-% \
|
|
-fno-reorder-blocks -fno-allow-store-data-races -fasan-shadow-offset=% \
|
|
-fzero-call-used-regs=% -fno-stack-clash-protection \
|
|
-fno-inline-functions-called-once -fsanitize=bounds-strict \
|
|
-fstrict-flex-arrays=% \
|
|
--param=% --param asan-%
|
|
|
|
# Derived from `scripts/Makefile.clang`.
|
|
BINDGEN_TARGET_x86 := x86_64-linux-gnu
|
|
BINDGEN_TARGET_arm64 := aarch64-linux-gnu
|
|
BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH))
|
|
|
|
# All warnings are inhibited since GCC builds are very experimental,
|
|
# many GCC warnings are not supported by Clang, they may only appear in
|
|
# some configurations, with new GCC versions, etc.
|
|
bindgen_extra_c_flags = -w --target=$(BINDGEN_TARGET)
|
|
|
|
# Auto variable zero-initialization requires an additional special option with
|
|
# clang that is going to be removed sometime in the future (likely in
|
|
# clang-18), so make sure to pass this option only if clang supports it
|
|
# (libclang major version < 16).
|
|
#
|
|
# https://github.com/llvm/llvm-project/issues/44842
|
|
# https://github.com/llvm/llvm-project/blob/llvmorg-16.0.0-rc2/clang/docs/ReleaseNotes.rst#deprecated-compiler-flags
|
|
ifdef CONFIG_INIT_STACK_ALL_ZERO
|
|
libclang_maj_ver=$(shell $(BINDGEN) $(srctree)/scripts/rust_is_available_bindgen_libclang.h 2>&1 | sed -ne 's/.*clang version \([0-9]*\).*/\1/p')
|
|
ifeq ($(shell expr $(libclang_maj_ver) \< 16), 1)
|
|
bindgen_extra_c_flags += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
|
|
endif
|
|
endif
|
|
|
|
bindgen_c_flags = $(filter-out $(bindgen_skip_c_flags), $(c_flags)) \
|
|
$(bindgen_extra_c_flags)
|
|
endif
|
|
|
|
ifdef CONFIG_LTO
|
|
bindgen_c_flags_lto = $(filter-out $(CC_FLAGS_LTO), $(bindgen_c_flags))
|
|
else
|
|
bindgen_c_flags_lto = $(bindgen_c_flags)
|
|
endif
|
|
|
|
bindgen_c_flags_final = $(bindgen_c_flags_lto) -D__BINDGEN__
|
|
|
|
quiet_cmd_bindgen = BINDGEN $@
|
|
cmd_bindgen = \
|
|
$(BINDGEN) $< $(bindgen_target_flags) \
|
|
--use-core --with-derive-default --ctypes-prefix core::ffi --no-layout-tests \
|
|
--no-debug '.*' \
|
|
-o $@ -- $(bindgen_c_flags_final) -DMODULE \
|
|
$(bindgen_target_cflags) $(bindgen_target_extra)
|
|
|
|
$(obj)/bindings/bindings_generated.rs: private bindgen_target_flags = \
|
|
$(shell grep -Ev '^#|^$$' $(src)/bindgen_parameters)
|
|
$(obj)/bindings/bindings_generated.rs: private bindgen_target_extra = ; \
|
|
sed -Ei 's/pub const RUST_CONST_HELPER_([a-zA-Z0-9_]*)/pub const \1/g' $@
|
|
$(obj)/bindings/bindings_generated.rs: $(src)/bindings/bindings_helper.h \
|
|
$(src)/bindgen_parameters FORCE
|
|
$(call if_changed_dep,bindgen)
|
|
|
|
$(obj)/uapi/uapi_generated.rs: private bindgen_target_flags = \
|
|
$(shell grep -Ev '^#|^$$' $(src)/bindgen_parameters)
|
|
$(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \
|
|
$(src)/bindgen_parameters FORCE
|
|
$(call if_changed_dep,bindgen)
|
|
|
|
# See `CFLAGS_REMOVE_helpers.o` above. In addition, Clang on C does not warn
|
|
# with `-Wmissing-declarations` (unlike GCC), so it is not strictly needed here
|
|
# given it is `libclang`; but for consistency, future Clang changes and/or
|
|
# a potential future GCC backend for `bindgen`, we disable it too.
|
|
$(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_flags = \
|
|
--blocklist-type '.*' --allowlist-var '' \
|
|
--allowlist-function 'rust_helper_.*'
|
|
$(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_cflags = \
|
|
-I$(objtree)/$(obj) -Wno-missing-prototypes -Wno-missing-declarations
|
|
$(obj)/bindings/bindings_helpers_generated.rs: private bindgen_target_extra = ; \
|
|
sed -Ei 's/pub fn rust_helper_([a-zA-Z0-9_]*)/#[link_name="rust_helper_\1"]\n pub fn \1/g' $@
|
|
$(obj)/bindings/bindings_helpers_generated.rs: $(src)/helpers.c FORCE
|
|
$(call if_changed_dep,bindgen)
|
|
|
|
quiet_cmd_exports = EXPORTS $@
|
|
cmd_exports = \
|
|
$(NM) -p --defined-only $< \
|
|
| awk '/ (T|R|D) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@
|
|
|
|
$(obj)/exports_core_generated.h: $(obj)/core.o FORCE
|
|
$(call if_changed,exports)
|
|
|
|
$(obj)/exports_alloc_generated.h: $(obj)/alloc.o FORCE
|
|
$(call if_changed,exports)
|
|
|
|
$(obj)/exports_bindings_generated.h: $(obj)/bindings.o FORCE
|
|
$(call if_changed,exports)
|
|
|
|
$(obj)/exports_kernel_generated.h: $(obj)/kernel.o FORCE
|
|
$(call if_changed,exports)
|
|
|
|
quiet_cmd_rustc_procmacro = $(RUSTC_OR_CLIPPY_QUIET) P $@
|
|
cmd_rustc_procmacro = \
|
|
$(RUSTC_OR_CLIPPY) $(rust_common_flags) \
|
|
-Clinker-flavor=gcc -Clinker=$(HOSTCC) \
|
|
-Clink-args='$(call escsq,$(KBUILD_HOSTLDFLAGS))' \
|
|
--emit=dep-info=$(depfile) --emit=link=$@ --extern proc_macro \
|
|
--crate-type proc-macro \
|
|
--crate-name $(patsubst lib%.so,%,$(notdir $@)) $<
|
|
|
|
# Procedural macros can only be used with the `rustc` that compiled it.
|
|
# Therefore, to get `libmacros.so` automatically recompiled when the compiler
|
|
# version changes, we add `core.o` as a dependency (even if it is not needed).
|
|
$(obj)/libmacros.so: $(src)/macros/lib.rs $(obj)/core.o FORCE
|
|
+$(call if_changed_dep,rustc_procmacro)
|
|
|
|
quiet_cmd_rustc_library = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) L $@
|
|
cmd_rustc_library = \
|
|
OBJTREE=$(abspath $(objtree)) \
|
|
$(if $(skip_clippy),$(RUSTC),$(RUSTC_OR_CLIPPY)) \
|
|
$(filter-out $(skip_flags),$(rust_flags) $(rustc_target_flags)) \
|
|
--emit=dep-info=$(depfile) --emit=obj=$@ \
|
|
--emit=metadata=$(dir $@)$(patsubst %.o,lib%.rmeta,$(notdir $@)) \
|
|
--crate-type rlib -L$(objtree)/$(obj) \
|
|
--crate-name $(patsubst %.o,%,$(notdir $@)) $< \
|
|
--sysroot=/dev/null \
|
|
$(if $(rustc_objcopy),;$(OBJCOPY) $(rustc_objcopy) $@)
|
|
|
|
rust-analyzer:
|
|
$(Q)$(srctree)/scripts/generate_rust_analyzer.py \
|
|
--cfgs='core=$(core-cfgs)' --cfgs='alloc=$(alloc-cfgs)' \
|
|
$(realpath $(srctree)) $(realpath $(objtree)) \
|
|
$(RUST_LIB_SRC) $(KBUILD_EXTMOD) > \
|
|
$(if $(KBUILD_EXTMOD),$(extmod_prefix),$(objtree))/rust-project.json
|
|
|
|
redirect-intrinsics = \
|
|
__addsf3 __eqsf2 __gesf2 __lesf2 __ltsf2 __mulsf3 __nesf2 __unordsf2 \
|
|
__adddf3 __ledf2 __ltdf2 __muldf3 __unorddf2 \
|
|
__muloti4 __multi3 \
|
|
__udivmodti4 __udivti3 __umodti3
|
|
|
|
ifneq ($(or $(CONFIG_ARM64),$(and $(CONFIG_RISCV),$(CONFIG_64BIT))),)
|
|
# These intrinsics are defined for ARM64 and RISCV64
|
|
redirect-intrinsics += \
|
|
__ashrti3 \
|
|
__ashlti3 __lshrti3
|
|
endif
|
|
|
|
$(obj)/core.o: private skip_clippy = 1
|
|
$(obj)/core.o: private skip_flags = -Dunreachable_pub
|
|
$(obj)/core.o: private rustc_objcopy = $(foreach sym,$(redirect-intrinsics),--redefine-sym $(sym)=__rust$(sym))
|
|
$(obj)/core.o: private rustc_target_flags = $(core-cfgs)
|
|
$(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),)
|
|
$(obj)/core.o: scripts/target.json
|
|
endif
|
|
|
|
$(obj)/compiler_builtins.o: private rustc_objcopy = -w -W '__*'
|
|
$(obj)/compiler_builtins.o: $(src)/compiler_builtins.rs $(obj)/core.o FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
$(obj)/alloc.o: private skip_clippy = 1
|
|
$(obj)/alloc.o: private skip_flags = -Dunreachable_pub
|
|
$(obj)/alloc.o: private rustc_target_flags = $(alloc-cfgs)
|
|
$(obj)/alloc.o: $(RUST_LIB_SRC)/alloc/src/lib.rs $(obj)/compiler_builtins.o FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
$(obj)/build_error.o: $(src)/build_error.rs $(obj)/compiler_builtins.o FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
$(obj)/bindings.o: $(src)/bindings/lib.rs \
|
|
$(obj)/compiler_builtins.o \
|
|
$(obj)/bindings/bindings_generated.rs \
|
|
$(obj)/bindings/bindings_helpers_generated.rs FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
$(obj)/uapi.o: $(src)/uapi/lib.rs \
|
|
$(obj)/compiler_builtins.o \
|
|
$(obj)/uapi/uapi_generated.rs FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
$(obj)/kernel.o: private rustc_target_flags = --extern alloc \
|
|
--extern build_error --extern macros --extern bindings --extern uapi
|
|
$(obj)/kernel.o: $(src)/kernel/lib.rs $(obj)/alloc.o $(obj)/build_error.o \
|
|
$(obj)/libmacros.so $(obj)/bindings.o $(obj)/uapi.o FORCE
|
|
+$(call if_changed_dep,rustc_library)
|
|
|
|
endif # CONFIG_RUST
|