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From: Tengda Wu <wutengda@huaweicloud.com>
To: Namhyung Kim <namhyung@kernel.org>,
	james.clark@linaro.org, xueshuai@linux.alibaba.com,
	Adrian Hunter <adrian.hunter@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	leo.yan@linux.dev, Li Huafei <lihuafei1@huawei.com>,
	Ian Rogers <irogers@google.com>,
	Kim Phillips <kim.phillips@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Bill Wendling <morbo@google.com>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Zecheng Li <zli94@ncsu.edu>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev, Tengda Wu <wutengda@huaweicloud.com>
Subject: [PATCH v5 12/26] perf annotate-data: Extract invalidate_reg_state() as a common helper
Date: Tue,  8 Sep 2026 13:01:08 +0000	[thread overview]
Message-ID: <20260908130122.633500-13-wutengda@huaweicloud.com> (raw)
In-Reply-To: <20260908130122.633500-1-wutengda@huaweicloud.com>

The invalidate_reg_state() function is currently static and only used
within the x86 data type profiling implementation. To prepare for adding
arm64 instruction tracking support, extract it as a common helper that
can be shared across architectures.

No functional change intended.

Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Signed-off-by: Tengda Wu <wutengda@huaweicloud.com>
---
 tools/perf/util/annotate-arch/annotate-x86.c | 9 ---------
 tools/perf/util/annotate-data.c              | 9 +++++++++
 tools/perf/util/annotate-data.h              | 1 +
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/util/annotate-arch/annotate-x86.c b/tools/perf/util/annotate-arch/annotate-x86.c
index 1acf31a2c759..aa381d25a63b 100644
--- a/tools/perf/util/annotate-arch/annotate-x86.c
+++ b/tools/perf/util/annotate-arch/annotate-x86.c
@@ -207,15 +207,6 @@ static int x86__cpuid_parse(struct arch *arch, const char *cpuid)
 }
 
 #ifdef HAVE_LIBDW_SUPPORT
-static void invalidate_reg_state(struct type_state_reg *reg)
-{
-	reg->kind = TSR_KIND_INVALID;
-	reg->ok = false;
-	reg->lifetime_active = false;
-	reg->lifetime_end = 0;
-	reg->copied_from = -1;
-}
-
 static void update_insn_state_x86(struct type_state *state,
 				  struct data_loc_info *dloc, Dwarf_Die *cu_die,
 				  struct disasm_line *dl)
diff --git a/tools/perf/util/annotate-data.c b/tools/perf/util/annotate-data.c
index 4e4c58764082..104b80d471f1 100644
--- a/tools/perf/util/annotate-data.c
+++ b/tools/perf/util/annotate-data.c
@@ -638,6 +638,15 @@ struct type_state_stack *findnew_stack_state(struct type_state *state,
 	return stack;
 }
 
+void invalidate_reg_state(struct type_state_reg *reg)
+{
+	reg->kind = TSR_KIND_INVALID;
+	reg->ok = false;
+	reg->lifetime_active = false;
+	reg->lifetime_end = 0;
+	reg->copied_from = -1;
+}
+
 /* Maintain a cache for quick global variable lookup */
 struct global_var_entry {
 	struct rb_node node;
diff --git a/tools/perf/util/annotate-data.h b/tools/perf/util/annotate-data.h
index c26130744260..453e13bbe3e2 100644
--- a/tools/perf/util/annotate-data.h
+++ b/tools/perf/util/annotate-data.h
@@ -258,6 +258,7 @@ void set_stack_state(struct type_state_stack *stack, int offset, u8 kind,
 				Dwarf_Die *type_die, int ptr_offset);
 struct type_state_stack *find_stack_state(struct type_state *state,
 						int offset);
+void invalidate_reg_state(struct type_state_reg *reg);
 bool get_global_var_type(Dwarf_Die *cu_die, struct data_loc_info *dloc,
 				u64 ip, u64 var_addr, int *var_offset,
 				Dwarf_Die *type_die);
-- 
2.34.1


  parent reply	other threads:[~2026-09-08 13:01 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-08 13:00 [PATCH v5 00/26] perf arm64: Support data type profiling Tengda Wu
2026-09-08 13:00 ` [PATCH v5 01/26] perf capstone: Symbolize address operands to match objdump on arm64 Tengda Wu
2026-09-08 13:00 ` [PATCH v5 02/26] perf llvm: Fix arm64 adrp instruction disassembly mismatch with objdump Tengda Wu
2026-09-08 13:00 ` [PATCH v5 03/26] perf annotate-arm64: Generalize arm64_mov__parse to support more instructions Tengda Wu
2026-09-08 13:01 ` [PATCH v5 04/26] perf annotate-arm64: Handle load and store instructions Tengda Wu
2026-09-08 13:01 ` [PATCH v5 05/26] perf annotate: Normalize arch__dwarf_regnum() error return values Tengda Wu
2026-09-08 13:01 ` [PATCH v5 06/26] perf annotate: Introduce extract_op_location callback for arch-specific parsing Tengda Wu
2026-09-08 13:01 ` [PATCH v5 07/26] perf dwarf-regs: Adapt get_dwarf_regnum() for arm64 Tengda Wu
2026-09-08 18:08   ` Ian Rogers
2026-09-11  1:47     ` Tengda Wu
2026-09-08 13:01 ` [PATCH v5 08/26] perf annotate: Adapt arch__dwarf_regnum() " Tengda Wu
2026-09-08 13:01 ` [PATCH v5 09/26] perf annotate-arm64: Implement extract_op_location() callback Tengda Wu
2026-09-08 13:01 ` [PATCH v5 10/26] perf annotate: Default to --itrace=i1i for data type profiling Tengda Wu
2026-09-08 13:01 ` [PATCH v5 11/26] perf arm-spe: Set default synthesized event period to 1 Tengda Wu
2026-09-08 13:01 ` Tengda Wu [this message]
2026-09-08 13:01 ` [PATCH v5 13/26] perf annotate-arm64: Enable instruction tracking support Tengda Wu
2026-09-08 13:01 ` [PATCH v5 14/26] perf annotate-data: Add arch_get_reg_offset helper Tengda Wu
2026-09-08 13:01 ` [PATCH v5 15/26] perf annotate-arm64: Track return type after call instructions Tengda Wu
2026-09-08 13:01 ` [PATCH v5 16/26] perf annotate-arm64: Support load instruction tracking Tengda Wu
2026-09-08 13:01 ` [PATCH v5 17/26] perf annotate-arm64: Support store " Tengda Wu
2026-09-08 13:01 ` [PATCH v5 18/26] perf annotate-data: Expand type_state_reg imm_value to u64 Tengda Wu
2026-09-08 13:01 ` [PATCH v5 19/26] perf annotate-data: Track imm_value for stack variables Tengda Wu
2026-09-08 13:01 ` [PATCH v5 20/26] perf annotate-x86: Delete stale stack state on store of untracked register Tengda Wu
2026-09-08 13:01 ` [PATCH v5 21/26] perf annotate-arm64: Support stack variable tracking Tengda Wu
2026-09-08 13:01 ` [PATCH v5 22/26] perf annotate-arm64: Support 'mov' instruction tracking Tengda Wu
2026-09-08 13:01 ` [PATCH v5 23/26] perf annotate-arm64: Support 'add' " Tengda Wu
2026-09-08 13:18 ` [PATCH v5 00/26] perf arm64: Support data type profiling Tengda Wu
  -- strict thread matches above, loose matches on Subject: below --
2026-09-08 13:05 Tengda Wu
2026-09-08 13:05 ` [PATCH v5 12/26] perf annotate-data: Extract invalidate_reg_state() as a common helper Tengda Wu
2026-09-08 13:11   ` sashiko-bot

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