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Kernel header scrubber: remove unused map entries. 

I was going to add riscv64 and define __riscv_xlen to 64 here, but our
"preprocessor" in python can't simpify `MACRO_NAME == 123` expressions
anyway. Rather than add another empty map, remove the other unused maps
and explain why this functionality is still useful as long as the legacy
32-bit ABIs are still with us.

Test: treehugger
Change-Id: I553059942920e7d323a0ca8a6fd5f39bc2d35063
This commit is contained in:
Elliott Hughes 2022-10-06 20:40:44 +00:00
parent 4091afb2cd
commit bba6ddff12
1 changed files with 3 additions and 4 deletions
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7
libc/kernel/tools/defaults.py
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@ -55,12 +55,11 @@ kernel_structs_to_remove = {
# but just generates cleaner results
kernel_remove_config_macros = True
# maps an architecture to a set of default macros that would be provided by
# toolchain preprocessor
# Maps an architecture to a set of default macros that would be provided by
# the toolchain's preprocessor. Currently only used to remove confusing
# big-endian junk from the 32-bit arm headers.
kernel_default_arch_macros = {
"arm": {"__ARMEB__": kCppUndefinedMacro, "__ARM_EABI__": "1"},
"arm64": {},
"x86": {},
}
# Replace tokens in the output according to this mapping.