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Re: [PATCHv3 2/2] gdb: Initial baremetal riscv support
> From: Andrew Burgess <andrew.burgess@embecosm.com>
> Cc: Simon Marchi <simark@simark.ca>,
> Eli Zaretskii <eliz@gnu.org>,
> Andrew Burgess <andrew.burgess@embecosm.com>
> Date: Fri, 2 Mar 2018 20:09:49 +0000
>
> This commit introduces basic support for baremetal RiscV as a GDB
> target. This target is currently only tested against the RiscV software
> simulator, which is not included as part of this commit. The target has
> been tested against the following RiscV variants: rv32im, rv32imc,
> rv32imf, rv32imfc, rv64im, rv64imc, rv64imfd, rv64imfdc.
>
> Across these variants we pass on average 34858 tests, and fail 272
> tests, which is ~0.8%.
>
> The RiscV has a feature of its ABI where structures with a single
> floating point field, a single complex float field, or one float and one
> integer field are treated differently for argument passing. The new
> test gdb.base/nested-structs.exp is added to cover this feature. As
> passing these structures should work on all targets then I've made the
> test as a generic one, even though, for most targets, there's probably
> nothing special about any of these cases.
>
> gdb/ChangeLog:
>
> * Makefile.in (ALL_TARGET_OBS): Add riscv-tdep.o
> (HFILES_NO_SRCDIR): Add riscv-tdep.h.
> (ALLDEPFILES): Add riscv-tdep.c
> * configure.tgt: Add riscv support.
> * riscv-tdep.c: New file.
> * riscv-tdep.h: New file.
> * NEWS: Mention new target.
> * MAINTAINERS: Add entry for riscv.
>
> gdb/testsuite/ChangeLog:
>
> * gdb.base/nested-structs.exp: New file.
> * gdb.base/nested-structs.c: New file.
> * gdb.base/float.exp: Add riscv support.
The documentation part is OK.
Thanks.