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From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	 Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	 Mark Rutland <mark.rutland@arm.com>,
	 Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,  Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	 Kan Liang <kan.liang@linux.intel.com>,
	Nathan Chancellor <nathan@kernel.org>,
	 Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	 Justin Stitt <justinstitt@google.com>,
	Aditya Gupta <adityag@linux.ibm.com>,
	 "Steinar H. Gunderson" <sesse@google.com>,
	Charlie Jenkins <charlie@rivosinc.com>,
	 Changbin Du <changbin.du@huawei.com>,
	"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
	 James Clark <james.clark@linaro.org>,
	Kajol Jain <kjain@linux.ibm.com>,
	 Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
	Li Huafei <lihuafei1@huawei.com>,
	 Dmitry Vyukov <dvyukov@google.com>,
	Andi Kleen <ak@linux.intel.com>,
	 Chaitanya S Prakash <chaitanyas.prakash@arm.com>,
	linux-kernel@vger.kernel.org,  linux-perf-users@vger.kernel.org,
	llvm@lists.linux.dev,  Song Liu <song@kernel.org>,
	bpf@vger.kernel.org
Subject: [PATCH v5 05/19] perf capstone: Remove open_capstone_handle
Date: Fri, 22 Aug 2025 17:32:01 -0700	[thread overview]
Message-ID: <20250823003216.733941-6-irogers@google.com> (raw)
In-Reply-To: <20250823003216.733941-1-irogers@google.com>

open_capstone_handle is similar to capstone_init and used only by
symbol__disassemble_capstone. symbol__disassemble_capstone_powerpc
already uses capstone_init, transition symbol__disassemble_capstone
and eliminate open_capstone_handle.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/capstone.c | 34 ++++++----------------------------
 1 file changed, 6 insertions(+), 28 deletions(-)

diff --git a/tools/perf/util/capstone.c b/tools/perf/util/capstone.c
index dd58e574aa52..01e47d5c8e3e 100644
--- a/tools/perf/util/capstone.c
+++ b/tools/perf/util/capstone.c
@@ -137,33 +137,6 @@ ssize_t capstone__fprintf_insn_asm(struct machine *machine __maybe_unused,
 #endif
 }
 
-#ifdef HAVE_LIBCAPSTONE_SUPPORT
-static int open_capstone_handle(struct annotate_args *args, bool is_64bit, csh *handle)
-{
-	struct annotation_options *opt = args->options;
-	cs_mode mode = is_64bit ? CS_MODE_64 : CS_MODE_32;
-
-	/* TODO: support more architectures */
-	if (!arch__is(args->arch, "x86"))
-		return -1;
-
-	if (cs_open(CS_ARCH_X86, mode, handle) != CS_ERR_OK)
-		return -1;
-
-	if (!opt->disassembler_style ||
-	    !strcmp(opt->disassembler_style, "att"))
-		cs_option(*handle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_ATT);
-
-	/*
-	 * Resolving address operands to symbols is implemented
-	 * on x86 by investigating instruction details.
-	 */
-	cs_option(*handle, CS_OPT_DETAIL, CS_OPT_ON);
-
-	return 0;
-}
-#endif
-
 #ifdef HAVE_LIBCAPSTONE_SUPPORT
 static void print_capstone_detail(cs_insn *insn, char *buf, size_t len,
 				  struct annotate_args *args, u64 addr)
@@ -309,6 +282,7 @@ int symbol__disassemble_capstone(const char *filename __maybe_unused,
 	cs_insn *insn = NULL;
 	char disasm_buf[512];
 	struct disasm_line *dl;
+	bool disassembler_style = false;
 
 	if (args->options->objdump_path)
 		return -1;
@@ -333,7 +307,11 @@ int symbol__disassemble_capstone(const char *filename __maybe_unused,
 
 	annotation_line__add(&dl->al, &notes->src->source);
 
-	if (open_capstone_handle(args, is_64bit, &handle) < 0)
+	if (!args->options->disassembler_style ||
+	    !strcmp(args->options->disassembler_style, "att"))
+		disassembler_style = true;
+
+	if (capstone_init(maps__machine(args->ms.maps), &handle, is_64bit, disassembler_style) < 0)
 		goto err;
 
 	needs_cs_close = true;
-- 
2.51.0.rc2.233.g662b1ed5c5-goog


  parent reply	other threads:[~2025-08-23  0:32 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-23  0:31 [PATCH v5 00/19] Support dynamic opening of capstone/llvm remove BUILD_NONDISTRO Ian Rogers
2025-08-23  0:31 ` [PATCH v5 01/19] perf build: Remove libtracefs configuration Ian Rogers
2025-08-23  0:31 ` [PATCH v5 02/19] perf map: Constify objdump offset/address conversion APIs Ian Rogers
2025-08-23  0:31 ` [PATCH v5 03/19] perf capstone: Move capstone functionality into its own file Ian Rogers
2025-08-23  0:32 ` [PATCH v5 04/19] perf llvm: Move llvm " Ian Rogers
2025-08-23  0:32 ` Ian Rogers [this message]
2025-08-23  0:32 ` [PATCH v5 06/19] perf capstone: Support for dlopen-ing libcapstone.so Ian Rogers
2025-08-23  0:32 ` [PATCH v5 07/19] perf llvm: Support for dlopen-ing libLLVM.so Ian Rogers
2025-08-23  0:32 ` [PATCH v5 08/19] perf llvm: Mangle libperf-llvm.so function names Ian Rogers
2025-08-23  0:32 ` [PATCH v5 09/19] perf dso: Move read_symbol from llvm/capstone to dso Ian Rogers
2025-08-23  0:32 ` [PATCH v5 10/19] perf dso: Support BPF programs in dso__read_symbol Ian Rogers
2025-08-23  0:32 ` [PATCH v5 11/19] perf llvm: Disassemble cleanup Ian Rogers
2025-08-23  0:32 ` [PATCH v5 12/19] perf dso: Clean up read_symbol error handling Ian Rogers
2025-08-23  0:32 ` [PATCH v5 13/19] perf build: Remove libbfd support Ian Rogers
2025-08-23  0:32 ` [PATCH v5 14/19] perf build: Remove libiberty support Ian Rogers
2025-08-23  0:32 ` [PATCH v5 15/19] perf build: Remove unused defines Ian Rogers
2025-08-23  0:32 ` [PATCH v5 16/19] perf disasm: Remove disasm_bpf Ian Rogers
2025-08-23  0:32 ` [PATCH v5 17/19] perf disasm: Make ins__scnprintf and ins__is_nop static Ian Rogers
2025-08-23  0:32 ` [PATCH v5 18/19] perf srcline: Fallback between addr2line implementations Ian Rogers
2025-08-23  0:32 ` [PATCH v5 19/19] perf disasm: Remove unused evsel from annotate_args Ian Rogers
2025-08-23  6:49 ` [PATCH v5 00/19] Support dynamic opening of capstone/llvm remove BUILD_NONDISTRO Sam James
2025-08-23  6:52   ` Sam James
2025-08-23 16:49     ` Ian Rogers
2025-08-23 22:04       ` Sam James
2025-08-24 17:32         ` Ian Rogers
2025-08-23 23:34 ` Andi Kleen
2025-08-24 16:39   ` Ian Rogers

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