use the less-painful CMake
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1BBA026E13FC0495
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cmake_minimum_required(VERSION 3.16)
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project(fxos LANGUAGES C CXX)
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find_package(BISON 3.7)
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find_package(FLEX 2.6)
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add_compile_options(-Wall -Wextra -D_GNU_SOURCE -std=c++17 -O2)
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#---
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# fxos core
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#---
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flex_target(LoadAsm lib/load-asm.l "${CMAKE_CURRENT_BINARY_DIR}/load-asm.yy.cpp" COMPILE_FLAGS -s)
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flex_target(LoadHeader lib/load-header.l "${CMAKE_CURRENT_BINARY_DIR}/load-header.yy.cpp" COMPILE_FLAGS -s)
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flex_target(LoadSymbols lib/load-symbols.l "${CMAKE_CURRENT_BINARY_DIR}/load-symbols.yy.cpp" COMPILE_FLAGS -s)
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flex_target(LoadTarget lib/load-target.l "${CMAKE_CURRENT_BINARY_DIR}/load-target.yy.cpp" COMPILE_FLAGS -s)
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set(fxos_core_SOURCES
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lib/disassembly.cpp
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lib/domains/relconst.cpp
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lib/lang.cpp
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lib/library.cpp
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lib/log.cpp
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lib/memory.cpp
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lib/os.cpp
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lib/passes/cfg.cpp
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lib/passes/pcrel.cpp
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lib/passes/print.cpp
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lib/passes/syscall.cpp
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lib/semantics.cpp
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lib/symbols.cpp
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lib/util.cpp
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lib/vspace.cpp)
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add_library(fxos-core ${fxos_core_SOURCES}
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${FLEX_LoadAsm_OUTPUTS} ${FLEX_LoadHeader_OUTPUTS}
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${FLEX_LoadSymbols_OUTPUTS} ${FLEX_LoadTarget_OUTPUTS})
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target_include_directories(fxos-core PUBLIC include)
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#---
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# fxos shell
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#---
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#bison_target()
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set(fxos_shell_SOURCES
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fxos/disassembly.cpp
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fxos/info.cpp
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fxos/library.cpp
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fxos/main.cpp)
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add_executable(fxos ${fxos_shell_SOURCES})
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target_link_libraries(fxos fxos-core)
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#---
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# Install
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#---
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install(TARGETS fxos DESTINATION "${CMAKE_INSTALL_BINDIR}")
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120
Makefile
120
Makefile
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@ -1,120 +0,0 @@
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#! /usr/bin/make -f
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# Tools
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AR = ar
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CC = gcc
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CXX = g++
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# Compiler flags
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CFLAGS = -Wall -Wextra -I include -D_GNU_SOURCE -std=c++17 -Og -g \
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-fno-diagnostics-show-line-numbers
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CXXFLAGS = $(CFLAGS)
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# Linker flags
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LDFLAGS = $(CFLAGS) -Lbin -lfxos
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# Dependency generation flags
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DEPFLAGS = -MT $@ -MMD -MP -MF $(@:%.o=%.d)
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# Default install prefix (beware of sudo...)
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PREFIX ?= $(HOME)/.local
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#
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# Main targets
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#
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TARGETS := bin/fxos
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all: $(TARGETS)
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all-lib: bin/libfxos.a
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all-fxos: bin/fxos
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obj = $($1:%=build/%.o)
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lex = $($1:%.l=build/%.yy.cpp.o)
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## The library
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src-lib := $(wildcard lib/*.cpp lib/*/*.cpp lib/*/*/*.cpp)
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lex-lib := $(wildcard lib/*.l lib/*/*.l lib/*/*/*.l)
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obj-lib := $(call obj,src-lib) $(call lex,lex-lib)
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bin/libfxos.a: $(obj-lib) | bin/
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$(AR) rcs $@ $^
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## The command-line interface
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src-fxos := $(wildcard fxos/*.cpp fxos/*/*.cpp fxos/*/*/*.cpp)
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obj-fxos := $(call obj,src-fxos)
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bin/fxos: bin/libfxos.a $(obj-fxos) | bin/
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$(CXX) $(obj-fxos) -o $@ $(LDFLAGS)
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#
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# Source targets
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#
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# C++ sources
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build/%.cpp.o: %.cpp
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@mkdir -p $(dir $@)
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$(CXX) -c $< -o $@ $(CXXFLAGS) $(DEPFLAGS)
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# C sources
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build/%.c.o: %.c
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@mkdir -p $(dir $@)
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$(CC) -c $< -o $@ $(CFLAGS) $(DEPFLAGS)
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# Flex lexers for the database
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build/%.yy.cpp: %.l
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@mkdir -p $(dir $@)
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flex -o $@ -s $<
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build/%.yy.cpp.o: build/%.yy.cpp
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$(CXX) -c $< -o $@ $(CFLAGS) -Wno-unused-function $(DEPFLAGS)
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bin/:
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@mkdir -p $@
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#
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# Dependency generation
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#
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include $(wildcard build/*/*.d build/*/*/*.d build/*/*/*/*.d)
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.PHONY: all all-lib all-fxos clean clean-lib clean-fxos distclean
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.PRECIOUS: build/%.d build/%.yy.cpp
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#
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# Installing
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#
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m644 := -m 644
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m755 := -m 755
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sed := -i -e '/^PREFIX=\\$$/ a \$(PREFIX)'
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# Disable -m on Mac OS and use sed differently
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ifeq "$(shell uname)" "Darwin"
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m644 :=
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m755 :=
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sed := -i '' -e "$$(printf '/^PREFIX=/ a \\\n$(PREFIX)')"
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endif
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install: $(TARGETS)
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install -d $(PREFIX)/bin
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install $(TARGETS) $(m755) $(PREFIX)/bin
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uninstall:
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rm -f $(TARGETS:%=$(PREFIX)/%)
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#
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# Cleaning
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#
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clean-lib:
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@rm -rf build/lib
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clean-fxos:
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@rm -rf build/fxos
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clean:
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@rm -rf build
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distclean: clean
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@rm -rf bin
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14
README.md
14
README.md
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@ -20,18 +20,14 @@ requirements.
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* g++ (9.2.0)
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* flex (2.6.4) and bison (3.5)
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* make (eg. 4.2.1)
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* CMake (3.15) and make (eg. 4.2.1)
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The only configure option is the install path; it is specified on the
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command-line to make. By default the only installed file is the fxos binary,
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which goes to `$PREFIX/bin`. The default prefix is `$HOME/.local`.
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The only real configure option is the install path. CMake's default is
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`/usr/local`; a viable alternative is `$HOME/.local`.
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```sh
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% make
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% make install
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# or, for instance:
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% make PREFIX=/usr
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% make install PREFIX=/usr
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% cmake -B build # -DCMAKE_INSTALL_PREFIX=$HOME/.local
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% make -C build -j$(nproc) install
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```
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## Setting up the library
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