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32f0ce4db9
Same as the privileged spec attributes check - different ISA versions should be compatible, unless there are some known conflicts. Therefore, we should allow to link objects with different ISA versions, and update the output ISA versions once the corresponding input ones are newer. But it's better to also warn people that the conflicts may happen when the ISA versions are mis-matched. bfd/ * elfnn-riscv.c (riscv_version_mismatch): Change the return type from void to bfd_boolean. Report warnings rather than errors when the ISA versions are mis-matched. Afterwards, remember to update the output ISA versions to the newest ones. (riscv_merge_std_ext): Allow to link objects with different standard ISA versions. Try to add output ISA versions to merged_subsets first. (riscv_merge_multi_letter_ext): Likewise. But for standard additional ISA and non-standard ISA versions. ld/ * testsuite/ld-riscv-elf/attr-merge-arch-failed-01.d: Update the message from error to warning. * testsuite/ld-riscv-elf/attr-merge-arch-failed-02.d: New testcases. * testsuite/ld-riscv-elf/attr-merge-arch-failed-02a.s: Likewise. * testsuite/ld-riscv-elf/attr-merge-arch-failed-02b.s: Likewise. * testsuite/ld-riscv-elf/attr-merge-arch-failed-02c.s: Likewise. * testsuite/ld-riscv-elf/attr-merge-arch-failed-02d.s: Likewise. * testsuite/ld-riscv-elf/ld-riscv-elf.exp: Updated.
2 lines
60 B
ArmAsm
2 lines
60 B
ArmAsm
.attribute arch, "rv32i2p0_m2p0_a2p0_zicsr2p0_xunknown2p0"
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