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powerpc/build: vdso linker warning for orphan sections 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200303012748.4190929-1-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2020-03-03 11:27:48 +10:00 committed by Michael Ellerman
parent 5e66a0cb5f
commit f2af201002
4 changed files with 5 additions and 3 deletions
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2
arch/powerpc/kernel/vdso32/Makefile
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@ -50,7 +50,7 @@ $(obj-vdso32): %.o: %.S FORCE
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^)
cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ $(call cc-ldoption, -Wl$(comma)--orphan-handling=warn) -Wl,-T$(filter %.lds,$^) $(filter %.o,$^)
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(VDSOCC) $(a_flags) $(CC32FLAGS) -c -o $@ $<

1
arch/powerpc/kernel/vdso32/vdso32.lds.S
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@ -111,6 +111,7 @@ SECTIONS
*(.note.GNU-stack)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
*(.glink .iplt .plt .rela*)
}
}

2
arch/powerpc/kernel/vdso64/Makefile
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@ -34,7 +34,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
# actual build commands
quiet_cmd_vdso64ld = VDSO64L $@
cmd_vdso64ld = $(CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^)
cmd_vdso64ld = $(CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) $(call cc-ldoption, -Wl$(comma)--orphan-handling=warn)
# install commands for the unstripped file
quiet_cmd_vdso_install = INSTALL $@

3
arch/powerpc/kernel/vdso64/vdso64.lds.S
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@ -30,7 +30,7 @@ SECTIONS
. = ALIGN(16);
.text : {
*(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
*(.sfpr .glink)
*(.sfpr)
} :text
PROVIDE(__etext = .);
PROVIDE(_etext = .);
@ -111,6 +111,7 @@ SECTIONS
*(.branch_lt)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
*(.glink .iplt .plt .rela*)
}
}