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mips_eabi_push_dummy_call is storing the address of a struct in a buffer that must have the same of the confisued/set ABI register size. Add a define for the maximum ABI size and use it to size the local buffer. Also rename the 'regsize' local to 'abi_regsize' for clarity. Tested that --enable-targets=all still builds. gdb/ChangeLog: 2017-06-12 Pedro Alves <palves@redhat.com> Alan Hayward <alan.hayward@arm.com> * mips-tdep.c (MAX_MIPS_ABI_REGSIZE): New. (mips_eabi_push_dummy_call): Rename local 'regsize' to 'abi_regsize'. Rename local array 'valbuf' to 'ref_valbuf', and use MAX_MIPS_ABI_REGSIZE instead of MAX_REGISTER_SIZE to size it. Assert that abi_regsize bytes fit in 'ref_valbuf'.
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