19 lines
909 B
Plaintext
19 lines
909 B
Plaintext
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# For the pre-R6 code in arch/mips/vdso/vdso.h for locating
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# the base address of VDSO, the linker will emit a R_MIPS_PC32
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# relocation in binutils > 2.25 but it will fail with older versions
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# because that relocation is not supported for that symbol. As a result
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# of which we are forced to disable the VDSO symbols when building
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# with < 2.25 binutils on pre-R6 kernels. For more references on why we
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# can't use other methods to get the base address of VDSO please refer to
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# the comments on that file.
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#
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# GCC (at least up to version 9.2) appears to emit function calls that make use
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# of the GOT when targeting microMIPS, which we can't use in the VDSO due to
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# the lack of relocations. As such, we disable the VDSO for microMIPS builds.
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config MIPS_LD_CAN_LINK_VDSO
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def_bool LD_VERSION >= 22500 || LD_IS_LLD
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config MIPS_DISABLE_VDSO
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def_bool CPU_MICROMIPS || (!CPU_MIPSR6 && !MIPS_LD_CAN_LINK_VDSO)
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