linux/tools/perf/arch/riscv64/annotate/instructions.c
Ian Rogers cd6c9dca9d perf disasm: Add e_machine/e_flags to struct arch
Currently functions like get_dwarf_regnum only work with the host
architecture. Carry the elf machine and flags in struct arch so that
in disassembly these can be used to allow cross platform disassembly.

Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Anup Patel <anup@brainfault.org>
Cc: Yang Jihong <yangjihong@bytedance.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Shenlin Liang <liangshenlin@eswincomputing.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Guilherme Amadio <amadio@gentoo.org>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: James Clark <james.clark@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Chen Pei <cp0613@linux.alibaba.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Aditya Gupta <adityag@linux.ibm.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-riscv@lists.infradead.org
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Atish Patra <atishp@rivosinc.com>
Cc: Dima Kogan <dima@secretsauce.net>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Dr. David Alan Gilbert <linux@treblig.org>
Cc: linux-csky@vger.kernel.org
Link: https://lore.kernel.org/r/20241108234606.429459-5-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2024-11-09 08:39:13 -08:00

36 lines
777 B
C

// SPDX-License-Identifier: GPL-2.0
static
struct ins_ops *riscv64__associate_ins_ops(struct arch *arch, const char *name)
{
struct ins_ops *ops = NULL;
if (!strncmp(name, "jal", 3) ||
!strncmp(name, "jr", 2) ||
!strncmp(name, "call", 4))
ops = &call_ops;
else if (!strncmp(name, "ret", 3))
ops = &ret_ops;
else if (name[0] == 'j' || name[0] == 'b')
ops = &jump_ops;
else
return NULL;
arch__associate_ins_ops(arch, name, ops);
return ops;
}
static
int riscv64__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
if (!arch->initialized) {
arch->associate_instruction_ops = riscv64__associate_ins_ops;
arch->initialized = true;
arch->objdump.comment_char = '#';
arch->e_machine = EM_RISCV;
arch->e_flags = 0;
}
return 0;
}