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Diffstat (limited to 'defs/jit.mk')
| -rw-r--r-- | defs/jit.mk | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/defs/jit.mk b/defs/jit.mk new file mode 100644 index 0000000000..2c1e819684 --- /dev/null +++ b/defs/jit.mk @@ -0,0 +1,107 @@ +# Make recipes that deal with the rust code of YJIT and ZJIT. +# +# $(gnumake_recursive) adds the '+' prefix to pass down GNU make's +# jobserver resources to cargo/rustc as rust-lang.org recommends. +# Without it, certain make version trigger a warning. It does not +# add the prefix when `make --dry-run` so dry runs are indeed dry. + +ifneq ($(JIT_CARGO_SUPPORT),no) + +# Show Cargo progress when doing `make V=1` +CARGO_VERBOSE_0 = -q +CARGO_VERBOSE_1 = +CARGO_VERBOSE = $(CARGO_VERBOSE_$(V)) + +# Because of Cargo cache, if the actual binary is not changed from the +# previous build, the mtime is preserved as the cached file. +# This means the target is not updated actually, and it will need to +# rebuild at the next build. +RUST_LIB_TOUCH = touch $@ + +# NOTE: MACOSX_DEPLOYMENT_TARGET to match `rustc --print deployment-target` to avoid the warning below. +# ld: warning: object file (target/debug/libjit.a(<libcapstone object>)) was built for +# newer macOS version (15.2) than being linked (15.0) +# This limits us to an older set of macOS API in the rust code, but we don't use any. +$(RUST_LIB): $(srcdir)/ruby.rs target/.rustc-version + $(Q)if [ '$(ZJIT_SUPPORT)' != no -a '$(YJIT_SUPPORT)' != no ]; then \ + echo 'building YJIT and ZJIT ($(JIT_CARGO_SUPPORT:yes=release) mode)'; \ + elif [ '$(ZJIT_SUPPORT)' != no ]; then \ + echo 'building ZJIT ($(JIT_CARGO_SUPPORT) mode)'; \ + elif [ '$(YJIT_SUPPORT)' != no ]; then \ + echo 'building YJIT ($(JIT_CARGO_SUPPORT) mode)'; \ + fi + $(gnumake_recursive)$(Q)CARGO_TARGET_DIR='$(CARGO_TARGET_DIR)' \ + CARGO_TERM_PROGRESS_WHEN='never' \ + MACOSX_DEPLOYMENT_TARGET=11.0 \ + $(CARGO) $(CARGO_VERBOSE) build --manifest-path '$(top_srcdir)/Cargo.toml' $(CARGO_BUILD_ARGS) + $(RUST_LIB_TOUCH) +else ifneq ($(strip $(RLIB_DIR)),) # combo build + +$(RUST_LIB): $(srcdir)/ruby.rs target/.rustc-version + $(ECHO) 'building $(@F)' + $(gnumake_recursive)$(Q) $(RUSTC) --edition=2024 \ + $(RUSTC_FLAGS) \ + '-L$(@D)' \ + --extern=yjit \ + --extern=zjit \ + --crate-type=staticlib \ + --cfg 'feature="yjit"' \ + --cfg 'feature="zjit"' \ + '--out-dir=$(@D)' \ + '$(top_srcdir)/ruby.rs' + +# Absolute path to avoid VPATH ambiguity +JIT_RLIB = $(TOP_BUILD_DIR)/$(RLIB_DIR)/libjit.rlib +$(YJIT_RLIB): $(JIT_RLIB) +$(ZJIT_RLIB): $(JIT_RLIB) +$(JIT_RLIB): target/.rustc-version + $(ECHO) 'building $(@F)' + $(gnumake_recursive)$(Q) $(RUSTC) --crate-name=jit \ + --edition=2024 \ + $(JIT_RUST_FLAGS) \ + $(RUSTC_FLAGS) \ + '--out-dir=$(@D)' \ + '$(top_srcdir)/jit/src/lib.rs' +endif # ifneq ($(JIT_CARGO_SUPPORT),no) + +RUST_LIB_SYMBOLS = $(RUST_LIB:.a=).symbols +$(RUST_LIBOBJ): $(RUST_LIB) + $(ECHO) 'partial linking $(RUST_LIB) into $@' +ifneq ($(findstring darwin,$(target_os)),) + $(Q) $(CC) -nodefaultlibs -r -o $@ -exported_symbols_list $(RUST_LIB_SYMBOLS) $(RUST_LIB) +else + $(Q) $(LD) -r -o $@ --whole-archive $(RUST_LIB) + -$(Q) $(OBJCOPY) --wildcard --keep-global-symbol='$(SYMBOL_PREFIX)rb_*' $(@) +endif + +rust-libobj: $(RUST_LIBOBJ) +rust-lib: $(RUST_LIB) + +rustc-version-check: target/.rustc-version + +target/.rustc-version: PHONY + $(eval prev_version := $(if $(wildcard $@),$(shell cat $@))) + $(eval curr_version := $(shell $(RUSTC) -V | cut -d' ' -f2)) + $(eval clean := $(filter-out $(prev_version),$(curr_version))) + $(if $(clean),$(ECHO) Cleaning $(@D) for rustc $(curr_version)) + $(if $(clean),$(Q)$(RMALL) $(@D)) + $(if $(clean),$(Q)$(MAKEDIRS) $(@D)) + $(if $(clean),$(Q)echo $(curr_version) > $@) + +# For Darwin only: a list of symbols that we want the glommed Rust static lib to export. +# Unfortunately, using wildcard like '_rb_*' with -exported-symbol does not work, at least +# not on version 820.1. Assume llvm-nm, so XCode 8.0 (from 2016) or newer. +# +# The -exported_symbols_list pulls out the right archive members. Symbols not listed +# in the list are made private extern, which are in turn made local as we're using `ld -r`. +# Note, section about -keep_private_externs in ld's man page hints at this behavior on which +# we rely. +ifneq ($(findstring darwin,$(target_os)),) +$(RUST_LIB_SYMBOLS): $(RUST_LIB) + $(Q) $(tooldir)/darwin-ar $(NM) --defined-only --extern-only $(RUST_LIB) | \ + sed -n -e 's/.* //' -e '/^$(SYMBOL_PREFIX)rb_/p' \ + -e '/^$(SYMBOL_PREFIX)rust_eh_personality/p' \ + > $@ + +$(RUST_LIBOBJ): $(RUST_LIB_SYMBOLS) +endif |