powerpc/64s/exception: Replace PROLOG macros and EXC helpers with a gas macro

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This creates a single macro that generates the exception prolog code,
with variants specified by arguments, rather than assorted nested
macros for different variants.

The increasing length of macro argument list is not nice to read or
modify, but this is a temporary condition that will be improved in
later changes.

No generated code change except BUG line number constants and label
names.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-23-npiggin@gmail.com

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Nicholas Piggin 2019-08-02 20:56:47 +10:00 • committed by Michael Ellerman

parent 5ff79a5ea6

commit 7299417c82

1 changed files with 206 additions and 296 deletions

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arch/powerpc/kernel/exceptions-64s.S

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