Messages in this thread | | | Date | Wed, 23 Feb 2022 09:27:19 -0600 | From | Segher Boessenkool <> | Subject | Re: [PATCH 3/3] powerpc: lib: sstep: fix build errors |
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On Wed, Feb 23, 2022 at 02:58:20PM +0100, Anders Roxell wrote: > Building tinyconfig with gcc (Debian 11.2.0-16) and assembler (Debian > 2.37.90.20220207) the following build error shows up: > > {standard input}: Assembler messages: > {standard input}:10576: Error: unrecognized opcode: `stbcx.' > {standard input}:10680: Error: unrecognized opcode: `lharx' > {standard input}:10694: Error: unrecognized opcode: `lbarx' > > Rework to add assembler directives [1] around the instruction. The > problem with this might be that we can trick a power6 into > single-stepping through an stbcx. for instance, and it will execute that > in kernel mode. > > [1] https://sourceware.org/binutils/docs/as/PowerPC_002dPseudo.html#PowerPC_002dPseudo
Wow, no wonder you think you need quotes after reading that. I'll try to get that fixed.
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Segher
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