4ea80652dc
Direct banches from code below __end_interrupts to code above
__end_interrupts when built with CONFIG_RELOCATABLE are disallowed
because they will break when the kernel is not located at 0.
Sample output:
WARNING: Unrelocated relative branches
c000000000000118 bl-> 0xc000000000038fb8 <pnv_restore_hyp_resource>
c00000000000013c b-> 0xc0000000001068a4 <kvm_start_guest>
c000000000000148 b-> 0xc00000000003919c <pnv_wakeup_loss>
c00000000000014c b-> 0xc00000000003923c <pnv_wakeup_noloss>
c0000000000005a4 b-> 0xc000000000106ffc <kvmppc_interrupt_hv>
c000000000001af0 b-> 0xc000000000106ffc <kvmppc_interrupt_hv>
c000000000001b24 b-> 0xc000000000106ffc <kvmppc_interrupt_hv>
c000000000001b58 b-> 0xc000000000106ffc <kvmppc_interrupt_hv>
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
42 lines
953 B
Makefile
42 lines
953 B
Makefile
# ===========================================================================
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# Post-link powerpc pass
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# ===========================================================================
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#
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# 1. Check that vmlinux relocations look sane
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PHONY := __archpost
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__archpost:
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-include include/config/auto.conf
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include scripts/Kbuild.include
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quiet_cmd_relocs_check = CHKREL $@
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ifdef CONFIG_PPC_BOOK3S_64
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cmd_relocs_check = \
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$(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$@" ; \
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$(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/unrel_branch_check.sh "$(OBJDUMP)" "$@"
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else
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cmd_relocs_check = \
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$(CONFIG_SHELL) $(srctree)/arch/powerpc/tools/relocs_check.sh "$(OBJDUMP)" "$@"
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endif
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# `@true` prevents complaint when there is nothing to be done
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vmlinux: FORCE
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@true
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ifdef CONFIG_RELOCATABLE
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$(call if_changed,relocs_check)
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endif
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%.ko: FORCE
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@true
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clean:
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@true
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PHONY += FORCE clean
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FORCE:
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.PHONY: $(PHONY)
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