• Nicholas Piggin's avatar
    powerpc/64s: Tool to flag direct branches from unrelocated interrupt vectors · 4ea80652
    Nicholas Piggin authored
    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: default avatarBalbir Singh <bsingharora@gmail.com>
    Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
    Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
    4ea80652
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