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Greetings, Attached is my second attempt to fix BZ15121. Tested on Linux/x86_64; no new failures. Previous attempt: https://sourceware.org/ml/gdb-patches/2015-09/msg00074.html The change to long_long.exp needs to be made conditional (i.e. use old pattern on MIPS and SH; new pattern everywhere else). I am not sure how to achieve that. Should I make it conditional on 'istarget "mips*"' or ... ? Thanks, 2016-10-10 Paul Pluzhnikov <ppluzhnikov@google.com> [BZ #15121] * gdb/gdbarch.h (gdbarch_sign_extend_vma): New. (set_gdbarch_sign_extend_vma): New. * gdb/gdbarch.c (struct gdbarch): Add sign_extend_vma. (gdbarch_sign_extend_vma, set_gdbarch_sign_extend_vma): New. (gdbarch_find_by_info): Set sign_extend_vma from BFD. * gdb/value.c (unpack_pointer): Don't sign-extend when necessary. testsuite/ChangeLog: 2016-10-10 Paul Pluzhnikov <ppluzhnikov@google.com> [BZ #15121] * gdb.base/long_long.exp: Adjust. -- Paul Pluzhnikov
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gdb-bz15121.20161008.txt
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