From: Namhyung Kim <namhyung@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
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Alexander Shishkin <alexander.shishkin@linux.intel.com>,
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Adrian Hunter <adrian.hunter@intel.com>,
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Dima Kogan <dima@secretsauce.net>,
Yury Norov <yury.norov@gmail.com>,
Alexander Lobakin <aleksander.lobakin@intel.com>,
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linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-riscv@lists.infradead.org
Subject: Re: [PATCH v2 17/31] perf dwarf-regs: Pass ELF flags to get_dwarf_regstr
Date: Thu, 7 Nov 2024 11:24:59 -0800 [thread overview]
Message-ID: <Zy0UCxKmD3_mQmNh@google.com> (raw)
In-Reply-To: <CAP-5=fVmD-M-ZOinkWZ7AOtfRHqo89gFtDeeatwufq0TcBiZUA@mail.gmail.com>
On Mon, Oct 07, 2024 at 08:05:23AM -0700, Ian Rogers wrote:
> On Mon, Oct 7, 2024 at 1:09 AM Masami Hiramatsu <mhiramat@kernel.org> wrote:
> >
> > On Sat, 5 Oct 2024 12:55:27 -0700
> > Ian Rogers <irogers@google.com> wrote:
> >
> > > Pass a flags value as architectures like csky need the flags to
> > > determine the ABI variant.
> > >
> >
> > Same here. I need some examples of this chaneg.
>
> The code here was already using the ELF machine, so dwarf-regs.c
> functions would already support cross building. There is the addition
> of ELF flags as on csky the registers change depending on the ABI
> version in the ELF flags.
I think it's used by the probe-finder only which won't support
cross-arch environment. So probably no changes to users at this point.
Thanks,
Namhyung
next prev parent reply other threads:[~2024-11-07 19:52 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-05 19:55 [PATCH v2 00/31] Libdw/dwarf build clean up Ian Rogers
2024-10-05 19:55 ` [PATCH v2 01/31] perf build: Fix !HAVE_DWARF_GETLOCATIONS_SUPPORT Ian Rogers
2024-10-05 19:55 ` [PATCH v2 02/31] perf build: Rename NO_DWARF to NO_LIBDW Ian Rogers
2024-10-05 19:55 ` [PATCH v2 03/31] perf build: Remove defined but never used variable Ian Rogers
2024-10-05 19:55 ` [PATCH v2 04/31] perf build: Rename test-dwarf to test-libdw Ian Rogers
2024-10-05 19:55 ` [PATCH v2 05/31] perf build: Combine libdw-dwarf-unwind into libdw feature tests Ian Rogers
2024-10-05 19:55 ` [PATCH v2 06/31] perf build: Combine test-dwarf-getlocations into test-libdw Ian Rogers
2024-10-05 19:55 ` [PATCH v2 07/31] perf build: Combine test-dwarf-getcfi " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 08/31] perf probe: Move elfutils support check to libdw check Ian Rogers
2024-10-05 19:55 ` [PATCH v2 09/31] perf libdw: Remove unnecessary defines Ian Rogers
2024-10-05 19:55 ` [PATCH v2 10/31] perf build: Rename HAVE_DWARF_SUPPORT to HAVE_LIBDW_SUPPORT Ian Rogers
2024-10-05 19:55 ` [PATCH v2 11/31] perf build: Rename CONFIG_DWARF to CONFIG_LIBDW Ian Rogers
2024-10-05 19:55 ` [PATCH v2 12/31] perf bpf-prologue: Remove unused file Ian Rogers
2024-10-05 19:55 ` [PATCH v2 13/31] perf dwarf-regs: Remove PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET Ian Rogers
2024-10-05 19:55 ` [PATCH v2 14/31] perf dwarf-regs: Add EM_HOST and EF_HOST defines Ian Rogers
2024-10-05 19:55 ` [PATCH v2 15/31] perf disasm: Add e_machine/e_flags to struct arch Ian Rogers
2024-10-05 19:55 ` [PATCH v2 16/31] perf dwarf-regs: Pass accurate disassembly machine to get_dwarf_regnum Ian Rogers
2024-10-07 8:07 ` Masami Hiramatsu
2024-10-07 15:46 ` Ian Rogers
2024-11-07 19:18 ` Namhyung Kim
2024-10-05 19:55 ` [PATCH v2 17/31] perf dwarf-regs: Pass ELF flags to get_dwarf_regstr Ian Rogers
2024-10-07 8:09 ` Masami Hiramatsu
2024-10-07 15:05 ` Ian Rogers
2024-11-07 19:24 ` Namhyung Kim [this message]
2024-10-05 19:55 ` [PATCH v2 18/31] perf dwarf-regs: Move x86 dwarf-regs out of arch Ian Rogers
2024-10-07 8:34 ` Masami Hiramatsu
2024-10-07 15:32 ` Ian Rogers
2024-10-05 19:55 ` [PATCH v2 19/31] perf arm64: Remove dwarf-regs.c Ian Rogers
2024-10-07 8:19 ` Masami Hiramatsu
2024-10-05 19:55 ` [PATCH v2 20/31] perf arm: " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 21/31] perf dwarf-regs: Move csky dwarf-regs out of arch Ian Rogers
2024-10-05 19:55 ` [PATCH v2 22/31] perf loongarch: Remove dwarf-regs.c Ian Rogers
2024-10-05 19:55 ` [PATCH v2 23/31] perf mips: " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 24/31] perf dwarf-regs: Move powerpc dwarf-regs out of arch Ian Rogers
2024-10-05 19:55 ` [PATCH v2 25/31] perf riscv: Remove dwarf-regs.c and add dwarf-regs-table.h Ian Rogers
2024-10-05 19:55 ` [PATCH v2 26/31] perf s390: Remove dwarf-regs.c Ian Rogers
2024-10-05 19:55 ` [PATCH v2 27/31] perf sh: " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 28/31] perf sparc: " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 29/31] perf xtensa: " Ian Rogers
2024-10-05 19:55 ` [PATCH v2 30/31] perf dwarf-regs: Remove get_arch_regstr code Ian Rogers
2024-10-05 19:55 ` [PATCH v2 31/31] perf build: Remove PERF_HAVE_DWARF_REGS Ian Rogers
2024-10-16 17:21 ` [PATCH v2 00/31] Libdw/dwarf build clean up Ian Rogers
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