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Kernel build fails for HS6x (ARCv3 64-bit) configuration with enabled CONFIG_DEBUG_INFO_BTF even if workaround from #87 is applied:
$ ARCH=arc CROSS_COMPILE=arc64-buildroot-linux-gnu- make ... CC init/version.o AR init/built-in.a LD vmlinux.o MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.btf BTF .btf.vmlinux.bin.o die__process: DW_TAG_compile_unit, DW_TAG_type_unit, DW_TAG_partial_unit or DW_TAG_skeleton_unit expected got INVALID (0x0)! pahole: .tmp_vmlinux.btf: Invalid argument LD .tmp_vmlinux.kallsyms1 KSYMS .tmp_vmlinux.kallsyms1.S AS .tmp_vmlinux.kallsyms1.S LD .tmp_vmlinux.kallsyms2 KSYMS .tmp_vmlinux.kallsyms2.S AS .tmp_vmlinux.kallsyms2.S LD vmlinux BTFIDS vmlinux FAILED: load BTF from vmlinux: No such file or directory make: *** [Makefile:1161: vmlinux] Error 255 make: *** Deleting file 'vmlinux'
Quick hack for pahole to workaround the issue and to generate [possibly invalid] BTF in order to try out BPF on HS6x:
diff --git a/dwarf_loader.c b/dwarf_loader.c index a0d964b..a1f40bf 100644 --- a/dwarf_loader.c +++ b/dwarf_loader.c @@ -2552,7 +2552,7 @@ static int die__process(Dwarf_Die *die, struct cu *cu, struct conf_load *conf) if (tag != DW_TAG_compile_unit && tag != DW_TAG_type_unit) { fprintf(stderr, "%s: DW_TAG_compile_unit, DW_TAG_type_unit, DW_TAG_partial_unit or DW_TAG_skeleton_unit expected got %s (0x%x)!\n", __FUNCTION__, dwarf_tag_name(tag), tag); - return -EINVAL; + return 0; } cu->language = attr_numeric(die, DW_AT_language);
Root cause: TBD
The text was updated successfully, but these errors were encountered:
shahab-vahedi
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Kernel build fails for HS6x (ARCv3 64-bit) configuration with enabled CONFIG_DEBUG_INFO_BTF even if workaround from #87 is applied:
Quick hack for pahole to workaround the issue and to generate [possibly invalid] BTF in order to try out BPF on HS6x:
Root cause: TBD
The text was updated successfully, but these errors were encountered: