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.
60 lines
1.1 KiB
YAML
60 lines
1.1 KiB
YAML
---
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extends: base
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variables:
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asflags: [ "-I${source_root}/src/kernel/" ]
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ccflags: [
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"--target=x86_64-jsix-elf",
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"-fno-stack-protector",
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"-I${source_root}/external",
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"-nostdinc",
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"-nostdlib",
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"-ffreestanding",
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"-nodefaultlibs",
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"-fno-builtin",
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"-fno-plt",
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"-mno-sse",
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"-fno-omit-frame-pointer",
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"-mno-red-zone",
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"-mcmodel=kernel",
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"-fvisibility=hidden",
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"-fvisibility-inlines-hidden",
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"-g3",
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"-ggdb",
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"-D__ELF__",
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"-D__jsix__",
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"-D__j6kernel",
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"-U__linux",
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"-U__linux__",
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"-DPRINTF_ALIAS_STANDARD_FUNCTION_NAMES=1",
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"-DPRINTF_INCLUDE_CONFIG_H=1",
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"-isystem${build_root}/include/libc",
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"-isystem${source_root}/sysroot/include",
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"--sysroot='${source_root}/sysroot'" ]
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cflags: [ '-nostdinc' ]
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cxxflags: [
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"-fno-exceptions",
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"-fno-rtti",
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"-nostdinc",
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"-isystem${source_root}/sysroot/include/c++/v1" ]
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ldflags: [
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"-g",
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"-m", "elf_x86_64",
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"-nostdlib",
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"-Bstatic",
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"--no-eh-frame-hdr",
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"-z", "norelro",
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"-z", "separate-code" ]
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