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With the implemenations in this patch, ARC gdb can handle
coredump related matters. The binutils counter part of
this patch has already been pushed [1].
v2 [2]:
- arc_linux_collect_gregset: Use "reg <= ARC_LAST_REGNUM" instead of
"reg < ARC_LAST_REGNUM" for the condition check of the for-loop.
- arc-linux-tdep.c: Use "ARC_LAST_REGNUM < ARRAY_SIZE (...)" instead of
"ARC_LAST_REGNUM <= ARRAY_SIZE (...)" for the "asserts".
- Use "buf + arc_linux_core_reg_offsets[ARC_ERET_REGNUM]" instead of
"buf + REG_OFF (6)".
- Fix a few typos/indentation.
v3 [3]:
- Use gdb_assert_not_reached(text) instead of gdb_assert (!text).
- Remove unnecessary braces in the for loop.
[1] arc: Add support for ARC HS extra registers in core files
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=2745674244d6aecddcf636475034bdb9c0a6b4a0
[2] First remarks
https://sourceware.org/pipermail/gdb-patches/2020-September/171912.html
[3] Second remarks
https://sourceware.org/pipermail/gdb-patches/2020-October/172302.html
gdb/ChangeLog:
* arc-linux-tdep.h: New file.
* arc-linux-tdep.c (arc_linux_core_reg_offsets,
arc_linux_supply_gregset, arc_linux_supply_v2_regset,
arc_linux_collect_gregset, arc_linux_collect_v2_regset,
arc_linux_gregset, arc_linux_v2_regset,
arc_linux_iterate_over_regset_sections,
arc_linux_core_read_description): Implement.
(arc_linux_init_osabi): Set iterate_over_regset_sections.
* arc-tdep.h (ARC_OFFSET_NO_REGISTER): Declare.
(arc_gdbarch_features_create): Add.
* arc-tdep.c (arc_gdbarch_features_create): Not static anymore.
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