diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2023-06-09 15:10:02 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-06-15 14:04:19 +1000 |
| commit | 8ad57add77d352102ba9edd500b00bc851c2e261 (patch) | |
| tree | 2dad96817f8beb7ac47ccbca6d42824fbd923827 /arch/powerpc/kernel/vdso | |
| parent | b4bda59b47879cce38a6ec5a01cd3cac702b5331 (diff) | |
powerpc/build: vdso linker warning for orphan sections
Add --orphan-handlin for vdsos, and adjust vdso linker scripts to deal
with orphan sections.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230609051002.3342-1-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/vdso')
| -rw-r--r-- | arch/powerpc/kernel/vdso/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vdso32.lds.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vdso64.lds.S | 4 |
3 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/vdso/Makefile b/arch/powerpc/kernel/vdso/Makefile index 4c3f34485f08..23ee96106537 100644 --- a/arch/powerpc/kernel/vdso/Makefile +++ b/arch/powerpc/kernel/vdso/Makefile @@ -56,6 +56,8 @@ KCSAN_SANITIZE := n ccflags-y := -fno-common -fno-builtin ldflags-y := -Wl,--hash-style=both -nostdlib -shared -z noexecstack ldflags-$(CONFIG_LD_IS_LLD) += $(call cc-option,--ld-path=$(LD),-fuse-ld=lld) +ldflags-$(CONFIG_LD_ORPHAN_WARN) += -Wl,--orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL) + # Filter flags that clang will warn are unused for linking ldflags-y += $(filter-out $(CC_AUTO_VAR_INIT_ZERO_ENABLER) $(CC_FLAGS_FTRACE) -Wa$(comma)%, $(KBUILD_CFLAGS)) diff --git a/arch/powerpc/kernel/vdso/vdso32.lds.S b/arch/powerpc/kernel/vdso/vdso32.lds.S index bc0be274a9ac..426e1ccc6971 100644 --- a/arch/powerpc/kernel/vdso/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso/vdso32.lds.S @@ -83,9 +83,11 @@ SECTIONS /DISCARD/ : { *(.note.GNU-stack) + *(*.EMB.apuinfo) + *(.branch_lt) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) - *(.got1) + *(.got1 .glink .iplt .rela*) } } diff --git a/arch/powerpc/kernel/vdso/vdso64.lds.S b/arch/powerpc/kernel/vdso/vdso64.lds.S index 744ae5363e6c..bda6c8cdd459 100644 --- a/arch/powerpc/kernel/vdso/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso/vdso64.lds.S @@ -32,7 +32,7 @@ SECTIONS . = ALIGN(16); .text : { *(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*) - *(.sfpr .glink) + *(.sfpr) } :text PROVIDE(__etext = .); PROVIDE(_etext = .); @@ -81,10 +81,12 @@ SECTIONS /DISCARD/ : { *(.note.GNU-stack) + *(*.EMB.apuinfo) *(.branch_lt) *(.data .data.* .gnu.linkonce.d.* .sdata*) *(.bss .sbss .dynbss .dynsbss) *(.opd) + *(.glink .iplt .plt .rela*) } } |