Re: [PATCH] powerpc: Include .BTF section
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2020-02-24 00:31:32
"Naveen N. Rao" [off-list ref] writes:
Selecting CONFIG_DEBUG_INFO_BTF results in the below warning from ld: ld: warning: orphan section `.BTF' from `.btf.vmlinux.bin.o' being placed in section `.BTF' Include .BTF section in vmlinux explicitly to fix the same.
I don't see any other architectures doing this in their linker script. Why are we special? cheers
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index b4c89a1acebb..a32d478a7f41 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S@@ -303,6 +303,12 @@ SECTIONS *(.branch_lt) } +#ifdef CONFIG_DEBUG_INFO_BTF + .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { + *(.BTF) + } +#endif + .opd : AT(ADDR(.opd) - LOAD_OFFSET) { __start_opd = .; KEEP(*(.opd))-- 2.24.1