5ea5978ee8
Using `-fvisibility=hidden` when building the kernel, and then `--discard-all` when stripping it, we shave almost 100KiB off of the resulting ELF file. Also dropped some unused symbols from the linker script, and rearranged the sections so that the file is able to be mapped directly into memory instead of having each section copied.
86 lines
2.2 KiB
Plaintext
86 lines
2.2 KiB
Plaintext
# This file is automatically generated by bonnibel
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rule compile.c
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command = $cc -MMD -MF $out.d $cflags $ccflags -o $out -c $in
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description = Compiling $name
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depfile = $out.d
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deps = gcc
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rule dump_c_defs
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command = echo | $cc $ccflags $cflags -dM -E - > $out
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description = Dumping C defines for $target
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rule dump_c_run
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command = echo '#!/bin/bash' > $out; echo '$cc $ccflags $cflags $$*' >> $
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$out; chmod a+x $out
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description = Dumping C arguments for $target
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rule compile.cpp
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command = $cxx -MMD -MF $out.d $cxxflags $ccflags -o $out -c $in
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description = Compiling $name
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depfile = $out.d
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deps = gcc
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rule dump_cpp_defs
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command = echo | $cxx -x c++ $ccflags $cxxflags -dM -E - > $out
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description = Dumping C++ defines for $target
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rule dump_cpp_run
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command = echo '#!/bin/bash' > $out; echo '$cxx $ccflags $cxxflags $$*' $
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>> $out; chmod a+x $out
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description = Dumping C++ arguments for $target
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rule compile.s
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command = $nasm -o $out -felf64 -MD $out.d $asflags $in
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description = Assembling $name
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depfile = $out.d
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deps = gcc
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rule parse.cog
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command = cog -o $out -d -D target=$target $cogflags $in
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description = Parsing $name
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rule exe
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command = $ld $ldflags -o $out $in $libs
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description = Linking $name
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rule lib
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command = $ar qcs $out $in
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description = Archiving $name
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rule cp
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command = cp $in $out
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description = Copying $name
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rule dump
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command = objdump -DSC -M intel $in > $out
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description = Dumping decompiled $name
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rule makest
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description = Making symbol table
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command = nm -n -S --demangle $in | ${source_root}/scripts/build_symbol_table.py $out
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rule makeinitrd
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description = Creating $name
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command = ${source_root}/scripts/mkj6romfs.py -c $format $in $out
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rule makefat
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description = Creating $name
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command = $
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cp $in $out; $
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mcopy -s -D o -i $out@@1M ${build_root}/fatroot/* ::/
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rule strip
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description = Stripping $name
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command = $
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cp $in $out; $
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objcopy --only-keep-debug $out $debug; $
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strip --discard-all -g $out; $
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objcopy --add-gnu-debuglink=$debug $out
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rule touch
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command = touch $out
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rule compdb
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command = ninja -t compdb > $out
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