diff options
Diffstat (limited to 'rust/Makefile')
| -rw-r--r-- | rust/Makefile | 164 |
1 files changed, 147 insertions, 17 deletions
diff --git a/rust/Makefile b/rust/Makefile index 23c7ae905bd2..5d357dce1704 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -27,6 +27,8 @@ endif obj-$(CONFIG_RUST) += exports.o +always-$(CONFIG_RUST) += libproc_macro2.rlib libquote.rlib libsyn.rlib + always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated.rs always-$(CONFIG_RUST_KERNEL_DOCTESTS) += doctests_kernel_generated_kunit.c @@ -60,15 +62,68 @@ rustdoc_test_quiet=--test-args -q rustdoc_test_kernel_quiet=>/dev/null endif -core-cfgs = \ - --cfg no_fp_fmt_parse +cfgs-to-flags = $(patsubst %,--cfg='%',$1) + +core-cfgs := \ + no_fp_fmt_parse core-edition := $(if $(call rustc-min-version,108700),2024,2021) +core-skip_flags := \ + --edition=2021 \ + -Wunreachable_pub \ + -Wrustdoc::unescaped_backticks + +core-flags := \ + --edition=$(core-edition) \ + $(call cfgs-to-flags,$(core-cfgs)) + +proc_macro2-cfgs := \ + feature="proc-macro" \ + wrap_proc_macro \ + $(if $(call rustc-min-version,108800),proc_macro_span_file proc_macro_span_location) + +# Stable since Rust 1.79.0: `feature(proc_macro_byte_character,proc_macro_c_str_literals)`. +proc_macro2-flags := \ + --cap-lints=allow \ + -Zcrate-attr='feature(proc_macro_byte_character,proc_macro_c_str_literals)' \ + $(call cfgs-to-flags,$(proc_macro2-cfgs)) + +quote-cfgs := \ + feature="proc-macro" + +quote-skip_flags := \ + --edition=2021 + +quote-flags := \ + --edition=2018 \ + --cap-lints=allow \ + --extern proc_macro2 \ + $(call cfgs-to-flags,$(quote-cfgs)) + +# `extra-traits`, `fold` and `visit` may be enabled if needed. +syn-cfgs := \ + feature="clone-impls" \ + feature="derive" \ + feature="full" \ + feature="parsing" \ + feature="printing" \ + feature="proc-macro" \ + feature="visit-mut" + +syn-flags := \ + --cap-lints=allow \ + --extern proc_macro2 \ + --extern quote \ + $(call cfgs-to-flags,$(syn-cfgs)) + # `rustdoc` did not save the target modifiers, thus workaround for # the time being (https://github.com/rust-lang/rust/issues/144521). rustdoc_modifiers_workaround := $(if $(call rustc-min-version,108800),-Cunsafe-allow-abi-mismatch=fixed-x18) +# Similarly, for doctests (https://github.com/rust-lang/rust/issues/146465). +doctests_modifiers_workaround := $(rustdoc_modifiers_workaround)$(if $(call rustc-min-version,109100),$(comma)sanitizer) + # `rustc` recognizes `--remap-path-prefix` since 1.26.0, but `rustdoc` only # since Rust 1.81.0. Moreover, `rustdoc` ICEs on out-of-tree builds since Rust # 1.82.0 (https://github.com/rust-lang/rust/issues/138520). Thus workaround both @@ -114,22 +169,44 @@ rustdoc: rustdoc-core rustdoc-macros rustdoc-compiler_builtins \ $(Q)for f in $(rustdoc_output)/static.files/rustdoc-*.css; do \ echo ".logo-container > img { object-fit: contain; }" >> $$f; done +rustdoc-proc_macro2: private rustdoc_host = yes +rustdoc-proc_macro2: private rustc_target_flags = $(proc_macro2-flags) +rustdoc-proc_macro2: $(src)/proc-macro2/lib.rs rustdoc-clean FORCE + +$(call if_changed,rustdoc) + +rustdoc-quote: private rustdoc_host = yes +rustdoc-quote: private rustc_target_flags = $(quote-flags) +rustdoc-quote: private skip_flags = $(quote-skip_flags) +rustdoc-quote: $(src)/quote/lib.rs rustdoc-clean rustdoc-proc_macro2 FORCE + +$(call if_changed,rustdoc) + +rustdoc-syn: private rustdoc_host = yes +rustdoc-syn: private rustc_target_flags = $(syn-flags) +rustdoc-syn: $(src)/syn/lib.rs rustdoc-clean rustdoc-quote FORCE + +$(call if_changed,rustdoc) + 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 rustdoc-clean FORCE + --extern proc_macro --extern proc_macro2 --extern quote --extern syn +rustdoc-macros: $(src)/macros/lib.rs rustdoc-clean rustdoc-proc_macro2 \ + rustdoc-quote rustdoc-syn FORCE +$(call if_changed,rustdoc) # Starting with Rust 1.82.0, skipping `-Wrustdoc::unescaped_backticks` should # not be needed -- see https://github.com/rust-lang/rust/pull/128307. -rustdoc-core: private skip_flags = --edition=2021 -Wrustdoc::unescaped_backticks -rustdoc-core: private rustc_target_flags = --edition=$(core-edition) $(core-cfgs) +rustdoc-core: private skip_flags = $(core-skip_flags) +rustdoc-core: private rustc_target_flags = $(core-flags) rustdoc-core: $(RUST_LIB_SRC)/core/src/lib.rs rustdoc-clean FORCE +$(call if_changed,rustdoc) +# Even if `rustdoc` targets are not kernel objects, they should still be +# treated as such so that we pass the same flags. Otherwise, for instance, +# `rustdoc` will complain about missing sanitizer flags causing an ABI mismatch. +rustdoc-compiler_builtins: private is-kernel-object := y rustdoc-compiler_builtins: $(src)/compiler_builtins.rs rustdoc-core FORCE +$(call if_changed,rustdoc) +rustdoc-ffi: private is-kernel-object := y rustdoc-ffi: $(src)/ffi.rs rustdoc-core FORCE +$(call if_changed,rustdoc) @@ -147,6 +224,7 @@ rustdoc-pin_init: $(src)/pin-init/src/lib.rs rustdoc-pin_init_internal \ rustdoc-macros FORCE +$(call if_changed,rustdoc) +rustdoc-kernel: private is-kernel-object := y rustdoc-kernel: private rustc_target_flags = --extern ffi --extern pin_init \ --extern build_error --extern macros \ --extern bindings --extern uapi @@ -161,8 +239,8 @@ rustdoc-clean: FORCE quiet_cmd_rustc_test_library = $(RUSTC_OR_CLIPPY_QUIET) TL $< cmd_rustc_test_library = \ OBJTREE=$(abspath $(objtree)) \ - $(RUSTC_OR_CLIPPY) $(rust_common_flags) \ - @$(objtree)/include/generated/rustc_cfg $(rustc_target_flags) \ + $(RUSTC_OR_CLIPPY) $(filter-out $(skip_flags),$(rust_common_flags) $(rustc_target_flags)) \ + @$(objtree)/include/generated/rustc_cfg \ --crate-type $(if $(rustc_test_library_proc),proc-macro,rlib) \ --out-dir $(objtree)/$(obj)/test --cfg testlib \ -L$(objtree)/$(obj)/test \ @@ -174,9 +252,24 @@ rusttestlib-build_error: $(src)/build_error.rs FORCE rusttestlib-ffi: $(src)/ffi.rs FORCE +$(call if_changed,rustc_test_library) -rusttestlib-macros: private rustc_target_flags = --extern proc_macro +rusttestlib-proc_macro2: private rustc_target_flags = $(proc_macro2-flags) +rusttestlib-proc_macro2: $(src)/proc-macro2/lib.rs FORCE + +$(call if_changed,rustc_test_library) + +rusttestlib-quote: private skip_flags = $(quote-skip_flags) +rusttestlib-quote: private rustc_target_flags = $(quote-flags) +rusttestlib-quote: $(src)/quote/lib.rs rusttestlib-proc_macro2 FORCE + +$(call if_changed,rustc_test_library) + +rusttestlib-syn: private rustc_target_flags = $(syn-flags) +rusttestlib-syn: $(src)/syn/lib.rs rusttestlib-quote FORCE + +$(call if_changed,rustc_test_library) + +rusttestlib-macros: private rustc_target_flags = --extern proc_macro \ + --extern proc_macro2 --extern quote --extern syn rusttestlib-macros: private rustc_test_library_proc = yes -rusttestlib-macros: $(src)/macros/lib.rs FORCE +rusttestlib-macros: $(src)/macros/lib.rs \ + rusttestlib-proc_macro2 rusttestlib-quote rusttestlib-syn FORCE +$(call if_changed,rustc_test_library) rusttestlib-pin_init_internal: private rustc_target_flags = --cfg kernel \ @@ -230,7 +323,7 @@ quiet_cmd_rustdoc_test_kernel = RUSTDOC TK $< --extern bindings --extern uapi \ --no-run --crate-name kernel -Zunstable-options \ --sysroot=/dev/null \ - $(rustdoc_modifiers_workaround) \ + $(doctests_modifiers_workaround) \ --test-builder $(objtree)/scripts/rustdoc_test_builder \ $< $(rustdoc_test_kernel_quiet); \ $(objtree)/scripts/rustdoc_test_gen @@ -257,7 +350,8 @@ quiet_cmd_rustc_test = $(RUSTC_OR_CLIPPY_QUIET) T $< rusttest: rusttest-macros rusttest-macros: private rustc_target_flags = --extern proc_macro \ - --extern macros --extern kernel --extern pin_init + --extern macros --extern kernel --extern pin_init \ + --extern proc_macro2 --extern quote --extern syn rusttest-macros: private rustdoc_test_target_flags = --crate-type proc-macro rusttest-macros: $(src)/macros/lib.rs \ rusttestlib-macros rusttestlib-kernel rusttestlib-pin_init FORCE @@ -289,7 +383,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \ -fno-inline-functions-called-once -fsanitize=bounds-strict \ -fstrict-flex-arrays=% -fmin-function-alignment=% \ -fzero-init-padding-bits=% -mno-fdpic \ - --param=% --param asan-% + --param=% --param asan-% -fno-isolate-erroneous-paths-dereference # Derived from `scripts/Makefile.clang`. BINDGEN_TARGET_x86 := x86_64-linux-gnu @@ -410,18 +504,47 @@ $(obj)/exports_bindings_generated.h: $(obj)/bindings.o FORCE $(obj)/exports_kernel_generated.h: $(obj)/kernel.o FORCE $(call if_changed,exports) +quiet_cmd_rustc_procmacrolibrary = $(RUSTC_OR_CLIPPY_QUIET) PL $@ + cmd_rustc_procmacrolibrary = \ + $(if $(skip_clippy),$(RUSTC),$(RUSTC_OR_CLIPPY)) \ + $(filter-out $(skip_flags),$(rust_common_flags) $(rustc_target_flags)) \ + --emit=dep-info,link --crate-type rlib -O \ + --out-dir $(objtree)/$(obj) -L$(objtree)/$(obj) \ + --crate-name $(patsubst lib%.rlib,%,$(notdir $@)) $<; \ + mv $(objtree)/$(obj)/$(patsubst lib%.rlib,%,$(notdir $@)).d $(depfile); \ + sed -i '/^\#/d' $(depfile) + +$(obj)/libproc_macro2.rlib: private skip_clippy = 1 +$(obj)/libproc_macro2.rlib: private rustc_target_flags = $(proc_macro2-flags) +$(obj)/libproc_macro2.rlib: $(src)/proc-macro2/lib.rs FORCE + +$(call if_changed_dep,rustc_procmacrolibrary) + +$(obj)/libquote.rlib: private skip_clippy = 1 +$(obj)/libquote.rlib: private skip_flags = $(quote-skip_flags) +$(obj)/libquote.rlib: private rustc_target_flags = $(quote-flags) +$(obj)/libquote.rlib: $(src)/quote/lib.rs $(obj)/libproc_macro2.rlib FORCE + +$(call if_changed_dep,rustc_procmacrolibrary) + +$(obj)/libsyn.rlib: private skip_clippy = 1 +$(obj)/libsyn.rlib: private rustc_target_flags = $(syn-flags) +$(obj)/libsyn.rlib: $(src)/syn/lib.rs $(obj)/libquote.rlib FORCE + +$(call if_changed_dep,rustc_procmacrolibrary) + quiet_cmd_rustc_procmacro = $(RUSTC_OR_CLIPPY_QUIET) P $@ cmd_rustc_procmacro = \ $(RUSTC_OR_CLIPPY) $(rust_common_flags) $(rustc_target_flags) \ -Clinker-flavor=gcc -Clinker=$(HOSTCC) \ -Clink-args='$(call escsq,$(KBUILD_PROCMACROLDFLAGS))' \ --emit=dep-info=$(depfile) --emit=link=$@ --extern proc_macro \ - --crate-type proc-macro \ + --crate-type proc-macro -L$(objtree)/$(obj) \ --crate-name $(patsubst lib%.$(libmacros_extension),%,$(notdir $@)) \ @$(objtree)/include/generated/rustc_cfg $< # Procedural macros can only be used with the `rustc` that compiled it. -$(obj)/$(libmacros_name): $(src)/macros/lib.rs FORCE +$(obj)/$(libmacros_name): private rustc_target_flags = \ + --extern proc_macro2 --extern quote --extern syn +$(obj)/$(libmacros_name): $(src)/macros/lib.rs $(obj)/libproc_macro2.rlib \ + $(obj)/libquote.rlib $(obj)/libsyn.rlib FORCE +$(call if_changed_dep,rustc_procmacro) $(obj)/$(libpin_init_internal_name): private rustc_target_flags = --cfg kernel @@ -444,6 +567,9 @@ quiet_cmd_rustc_library = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) L rust-analyzer: $(Q)MAKEFLAGS= $(srctree)/scripts/generate_rust_analyzer.py \ --cfgs='core=$(core-cfgs)' $(core-edition) \ + --cfgs='proc_macro2=$(proc_macro2-cfgs)' \ + --cfgs='quote=$(quote-cfgs)' \ + --cfgs='syn=$(syn-cfgs)' \ $(realpath $(srctree)) $(realpath $(objtree)) \ $(rustc_sysroot) $(RUST_LIB_SRC) $(if $(KBUILD_EXTMOD),$(srcroot)) \ > rust-project.json @@ -499,9 +625,9 @@ $(obj)/helpers/helpers.o: $(src)/helpers/helpers.c $(recordmcount_source) FORCE $(obj)/exports.o: private skip_gendwarfksyms = 1 $(obj)/core.o: private skip_clippy = 1 -$(obj)/core.o: private skip_flags = --edition=2021 -Wunreachable_pub +$(obj)/core.o: private skip_flags = $(core-skip_flags) $(obj)/core.o: private rustc_objcopy = $(foreach sym,$(redirect-intrinsics),--redefine-sym $(sym)=__rust$(sym)) -$(obj)/core.o: private rustc_target_flags = --edition=$(core-edition) $(core-cfgs) +$(obj)/core.o: private rustc_target_flags = $(core-flags) $(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs \ $(wildcard $(objtree)/include/config/RUSTC_VERSION_TEXT) FORCE +$(call if_changed_rule,rustc_library) @@ -522,6 +648,10 @@ $(obj)/pin_init.o: $(src)/pin-init/src/lib.rs $(obj)/compiler_builtins.o \ $(obj)/$(libpin_init_internal_name) $(obj)/$(libmacros_name) FORCE +$(call if_changed_rule,rustc_library) +# Even if normally `build_error` is not a kernel object, it should still be +# treated as such so that we pass the same flags. Otherwise, for instance, +# `rustc` will complain about missing sanitizer flags causing an ABI mismatch. +$(obj)/build_error.o: private is-kernel-object := y $(obj)/build_error.o: private skip_gendwarfksyms = 1 $(obj)/build_error.o: $(src)/build_error.rs $(obj)/compiler_builtins.o FORCE +$(call if_changed_rule,rustc_library) |