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Message-Id: <20241005195541.380070-11-irogers@google.com>
Date: Sat, 5 Oct 2024 12:55:20 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, Guo Ren <guoren@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Nick Terrell <terrelln@...com>,
"Steven Rostedt (Google)" <rostedt@...dmis.org>, "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
Guilherme Amadio <amadio@...too.org>, Changbin Du <changbin.du@...wei.com>,
Daniel Bristot de Oliveira <bristot@...nel.org>, Daniel Wagner <dwagner@...e.de>,
Aditya Gupta <adityag@...ux.ibm.com>, Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Masahiro Yamada <masahiroy@...nel.org>, Kajol Jain <kjain@...ux.ibm.com>,
Huacai Chen <chenhuacai@...nel.org>, Bibo Mao <maobibo@...ngson.cn>,
Anup Patel <anup@...infault.org>, Atish Patra <atishp@...osinc.com>,
Shenlin Liang <liangshenlin@...incomputing.com>, Oliver Upton <oliver.upton@...ux.dev>,
"Steinar H. Gunderson" <sesse@...gle.com>, "Dr. David Alan Gilbert" <linux@...blig.org>,
Chen Pei <cp0613@...ux.alibaba.com>, Dima Kogan <dima@...retsauce.net>,
Yury Norov <yury.norov@...il.com>, Alexander Lobakin <aleksander.lobakin@...el.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: [PATCH v2 10/31] perf build: Rename HAVE_DWARF_SUPPORT to HAVE_LIBDW_SUPPORT
In Makefile.config for unwinding the name dwarf implies either
libunwind or libdw. Make it clearer that HAVE_DWARF_SUPPORT is really
just defined when libdw is present by renaming to HAVE_LIBDW_SUPPORT.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/Documentation/perf-check.txt | 6 +++---
tools/perf/Makefile.config | 2 +-
tools/perf/arch/powerpc/annotate/instructions.c | 4 ++--
tools/perf/arch/x86/annotate/instructions.c | 2 +-
tools/perf/builtin-annotate.c | 2 +-
tools/perf/builtin-check.c | 6 +++---
tools/perf/builtin-probe.c | 12 ++++++------
tools/perf/builtin-report.c | 4 ++--
tools/perf/util/annotate-data.h | 8 ++++----
tools/perf/util/debuginfo.h | 6 +++---
tools/perf/util/disasm.c | 4 ++--
tools/perf/util/disasm.h | 4 ++--
tools/perf/util/genelf.c | 4 ++--
tools/perf/util/genelf.h | 2 +-
tools/perf/util/include/dwarf-regs.h | 6 +++---
tools/perf/util/probe-event.c | 4 ++--
tools/perf/util/probe-finder.h | 4 ++--
17 files changed, 40 insertions(+), 40 deletions(-)
diff --git a/tools/perf/Documentation/perf-check.txt b/tools/perf/Documentation/perf-check.txt
index 45101a8e4154..31741499e786 100644
--- a/tools/perf/Documentation/perf-check.txt
+++ b/tools/perf/Documentation/perf-check.txt
@@ -47,15 +47,15 @@ feature::
bpf / HAVE_LIBBPF_SUPPORT
bpf_skeletons / HAVE_BPF_SKEL
debuginfod / HAVE_DEBUGINFOD_SUPPORT
- dwarf / HAVE_DWARF_SUPPORT
- dwarf_getlocations / HAVE_DWARF_SUPPORT
+ dwarf / HAVE_LIBDW_SUPPORT
+ dwarf_getlocations / HAVE_LIBDW_SUPPORT
dwarf-unwind / HAVE_DWARF_UNWIND_SUPPORT
auxtrace / HAVE_AUXTRACE_SUPPORT
libaudit / HAVE_LIBAUDIT_SUPPORT
libbfd / HAVE_LIBBFD_SUPPORT
libcapstone / HAVE_LIBCAPSTONE_SUPPORT
libcrypto / HAVE_LIBCRYPTO_SUPPORT
- libdw-dwarf-unwind / HAVE_DWARF_SUPPORT
+ libdw-dwarf-unwind / HAVE_LIBDW_SUPPORT
libelf / HAVE_LIBELF_SUPPORT
libnuma / HAVE_LIBNUMA_SUPPORT
libopencsd / HAVE_CSTRACE_SUPPORT
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index db79b25ada6f..9ed0909db170 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -556,7 +556,7 @@ ifndef NO_LIBELF
$(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
NO_LIBDW := 1
else
- CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
+ CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS)
LDFLAGS += $(LIBDW_LDFLAGS)
EXTLIBS += ${DWARFLIBS}
$(call detected,CONFIG_DWARF)
diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c
index ede9eeade0ab..54478cf5cccc 100644
--- a/tools/perf/arch/powerpc/annotate/instructions.c
+++ b/tools/perf/arch/powerpc/annotate/instructions.c
@@ -255,7 +255,7 @@ static struct ins_ops *check_ppc_insn(struct disasm_line *dl)
* is moved to r31. update_insn_state_powerpc tracks these state
* changes
*/
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
static void update_insn_state_powerpc(struct type_state *state,
struct data_loc_info *dloc, Dwarf_Die * cu_die __maybe_unused,
struct disasm_line *dl)
@@ -300,7 +300,7 @@ static void update_insn_state_powerpc(struct type_state *state,
insn_offset, src->reg1, dst->reg1);
pr_debug_type_name(&tsr->type, tsr->kind);
}
-#endif /* HAVE_DWARF_SUPPORT */
+#endif /* HAVE_LIBDW_SUPPORT */
static int powerpc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
index 5caf5a17f03d..c869abe3c31d 100644
--- a/tools/perf/arch/x86/annotate/instructions.c
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -207,7 +207,7 @@ static int x86__annotate_init(struct arch *arch, char *cpuid)
return err;
}
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
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/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 04af13eb4a4c..bb87e6e7687d 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -840,7 +840,7 @@ int cmd_annotate(int argc, const char **argv)
}
#endif
-#ifndef HAVE_DWARF_SUPPORT
+#ifndef HAVE_LIBDW_SUPPORT
if (annotate.data_type) {
pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
return -ENOTSUP;
diff --git a/tools/perf/builtin-check.c b/tools/perf/builtin-check.c
index 18c0a815243b..2346536a5ee1 100644
--- a/tools/perf/builtin-check.c
+++ b/tools/perf/builtin-check.c
@@ -27,15 +27,15 @@ struct feature_status supported_features[] = {
FEATURE_STATUS("bpf", HAVE_LIBBPF_SUPPORT),
FEATURE_STATUS("bpf_skeletons", HAVE_BPF_SKEL),
FEATURE_STATUS("debuginfod", HAVE_DEBUGINFOD_SUPPORT),
- FEATURE_STATUS("dwarf", HAVE_DWARF_SUPPORT),
- FEATURE_STATUS("dwarf_getlocations", HAVE_DWARF_SUPPORT),
+ FEATURE_STATUS("dwarf", HAVE_LIBDW_SUPPORT),
+ FEATURE_STATUS("dwarf_getlocations", HAVE_LIBDW_SUPPORT),
FEATURE_STATUS("dwarf-unwind", HAVE_DWARF_UNWIND_SUPPORT),
FEATURE_STATUS("auxtrace", HAVE_AUXTRACE_SUPPORT),
FEATURE_STATUS("libaudit", HAVE_LIBAUDIT_SUPPORT),
FEATURE_STATUS("libbfd", HAVE_LIBBFD_SUPPORT),
FEATURE_STATUS("libcapstone", HAVE_LIBCAPSTONE_SUPPORT),
FEATURE_STATUS("libcrypto", HAVE_LIBCRYPTO_SUPPORT),
- FEATURE_STATUS("libdw-dwarf-unwind", HAVE_DWARF_SUPPORT),
+ FEATURE_STATUS("libdw-dwarf-unwind", HAVE_LIBDW_SUPPORT),
FEATURE_STATUS("libelf", HAVE_LIBELF_SUPPORT),
FEATURE_STATUS("libnuma", HAVE_LIBNUMA_SUPPORT),
FEATURE_STATUS("libopencsd", HAVE_CSTRACE_SUPPORT),
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 91672bb3047c..69800e4d9530 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -229,7 +229,7 @@ static int opt_set_target_ns(const struct option *opt __maybe_unused,
/* Command option callbacks */
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
static int opt_show_lines(const struct option *opt,
const char *str, int unset __maybe_unused)
{
@@ -505,7 +505,7 @@ static int perf_del_probe_events(struct strfilter *filter)
return ret;
}
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#define PROBEDEF_STR \
"[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT [[NAME=]ARG ...]"
#else
@@ -521,7 +521,7 @@ __cmd_probe(int argc, const char **argv)
"perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
"perf probe [<options>] --del '[GROUP:]EVENT' ...",
"perf probe --list [GROUP:]EVENT ...",
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
"perf probe [<options>] --line 'LINEDESC'",
"perf probe [<options>] --vars 'PROBEPOINT'",
#endif
@@ -545,7 +545,7 @@ __cmd_probe(int argc, const char **argv)
"\t\tFUNC:\tFunction name\n"
"\t\tOFF:\tOffset from function entry (in byte)\n"
"\t\t%return:\tPut the probe at function return\n"
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
"\t\tSRC:\tSource code path\n"
"\t\tRL:\tRelative line number from function entry.\n"
"\t\tAL:\tAbsolute line number in file.\n"
@@ -612,7 +612,7 @@ __cmd_probe(int argc, const char **argv)
set_option_flag(options, 'd', "del", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'D', "definition", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'l', "list", PARSE_OPT_EXCLUSIVE);
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
set_option_flag(options, 'L', "line", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'V', "vars", PARSE_OPT_EXCLUSIVE);
#else
@@ -694,7 +694,7 @@ __cmd_probe(int argc, const char **argv)
if (ret < 0)
pr_err_with_code(" Error: Failed to show functions.", ret);
return ret;
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
case 'L':
ret = show_line_range(¶ms->line_range, params->target,
params->nsi, params->uprobes);
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 426cbc9110d1..13cc57e99d35 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -455,7 +455,7 @@ static int report__setup_sample_type(struct report *rep)
if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY))
rep->nonany_branch_mode = true;
-#if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT)
+#if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_LIBDW_SUPPORT)
if (dwarf_callchain_users) {
ui__warning("Please install libunwind or libdw "
"development packages during the perf build.\n");
@@ -1701,7 +1701,7 @@ int cmd_report(int argc, const char **argv)
report.data_type = true;
annotate_opts.annotate_src = false;
-#ifndef HAVE_DWARF_SUPPORT
+#ifndef HAVE_LIBDW_SUPPORT
pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
goto error;
#endif
diff --git a/tools/perf/util/annotate-data.h b/tools/perf/util/annotate-data.h
index 8ac0fd94a0ba..98c80b2268dd 100644
--- a/tools/perf/util/annotate-data.h
+++ b/tools/perf/util/annotate-data.h
@@ -9,7 +9,7 @@
#include "dwarf-regs.h"
#include "annotate.h"
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#include "debuginfo.h"
#endif
@@ -165,7 +165,7 @@ struct annotated_data_stat {
};
extern struct annotated_data_stat ann_data_stat;
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
/*
* Type information in a register, valid when @ok is true.
* The @caller_saved registers are invalidated after a function call.
@@ -244,7 +244,7 @@ bool get_global_var_info(struct data_loc_info *dloc, u64 addr,
const char **var_name, int *var_offset);
void pr_debug_type_name(Dwarf_Die *die, enum type_state_kind kind);
-#else /* HAVE_DWARF_SUPPORT */
+#else /* HAVE_LIBDW_SUPPORT */
static inline struct annotated_data_type *
find_data_type(struct data_loc_info *dloc __maybe_unused)
@@ -276,7 +276,7 @@ static inline int hist_entry__annotate_data_tty(struct hist_entry *he __maybe_un
return -1;
}
-#endif /* HAVE_DWARF_SUPPORT */
+#endif /* HAVE_LIBDW_SUPPORT */
#ifdef HAVE_SLANG_SUPPORT
int hist_entry__annotate_data_tui(struct hist_entry *he, struct evsel *evsel,
diff --git a/tools/perf/util/debuginfo.h b/tools/perf/util/debuginfo.h
index ad6422c3f8ca..a52d69932815 100644
--- a/tools/perf/util/debuginfo.h
+++ b/tools/perf/util/debuginfo.h
@@ -5,7 +5,7 @@
#include <errno.h>
#include <linux/compiler.h>
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#include "dwarf-aux.h"
@@ -25,7 +25,7 @@ void debuginfo__delete(struct debuginfo *dbg);
int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs,
bool adjust_offset);
-#else /* HAVE_DWARF_SUPPORT */
+#else /* HAVE_LIBDW_SUPPORT */
/* dummy debug information structure */
struct debuginfo {
@@ -49,7 +49,7 @@ static inline int debuginfo__get_text_offset(struct debuginfo *dbg __maybe_unuse
return -EINVAL;
}
-#endif /* HAVE_DWARF_SUPPORT */
+#endif /* HAVE_LIBDW_SUPPORT */
#ifdef HAVE_DEBUGINFOD_SUPPORT
int get_source_from_debuginfod(const char *raw_path, const char *sbuild_id,
diff --git a/tools/perf/util/disasm.c b/tools/perf/util/disasm.c
index 2c8063660f2e..aef06a36bf40 100644
--- a/tools/perf/util/disasm.c
+++ b/tools/perf/util/disasm.c
@@ -151,14 +151,14 @@ static struct arch architectures[] = {
.memory_ref_char = '(',
.imm_char = '$',
},
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
.update_insn_state = update_insn_state_x86,
#endif
},
{
.name = "powerpc",
.init = powerpc__annotate_init,
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
.update_insn_state = update_insn_state_powerpc,
#endif
},
diff --git a/tools/perf/util/disasm.h b/tools/perf/util/disasm.h
index f56beedeb9da..486c269b29ba 100644
--- a/tools/perf/util/disasm.h
+++ b/tools/perf/util/disasm.h
@@ -4,7 +4,7 @@
#include "map_symbol.h"
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#include "dwarf-aux.h"
#endif
@@ -39,7 +39,7 @@ struct arch {
char memory_ref_char;
char imm_char;
} objdump;
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
void (*update_insn_state)(struct type_state *state,
struct data_loc_info *dloc, Dwarf_Die *cu_die,
struct disasm_line *dl);
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c
index c8f6bee1fa61..cdce7f173d00 100644
--- a/tools/perf/util/genelf.c
+++ b/tools/perf/util/genelf.c
@@ -16,7 +16,7 @@
#include <inttypes.h>
#include <fcntl.h>
#include <err.h>
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#include <dwarf.h>
#endif
@@ -499,7 +499,7 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym,
shdr->sh_size = sizeof(bnote);
shdr->sh_entsize = 0;
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
if (debug && nr_debug_entries) {
retval = jit_add_debug_info(e, load_addr, debug, nr_debug_entries);
if (retval)
diff --git a/tools/perf/util/genelf.h b/tools/perf/util/genelf.h
index 4e2e4f40e134..9f0b875d6548 100644
--- a/tools/perf/util/genelf.h
+++ b/tools/perf/util/genelf.h
@@ -8,7 +8,7 @@
int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
const void *code, int csize, void *debug, int nr_debug_entries,
void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size);
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
/* genelf_debug.c */
int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
#endif
diff --git a/tools/perf/util/include/dwarf-regs.h b/tools/perf/util/include/dwarf-regs.h
index 75b28dcc8317..29a7d0546b82 100644
--- a/tools/perf/util/include/dwarf-regs.h
+++ b/tools/perf/util/include/dwarf-regs.h
@@ -6,7 +6,7 @@
#define DWARF_REG_PC 0xd3af9c /* random number */
#define DWARF_REG_FB 0xd3affb /* random number */
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
const char *get_arch_regstr(unsigned int n);
/*
* get_dwarf_regstr - Returns ftrace register string from DWARF regnum
@@ -23,7 +23,7 @@ int get_arch_regnum(const char *name);
*/
int get_dwarf_regnum(const char *name, unsigned int machine);
-#else /* HAVE_DWARF_SUPPORT */
+#else /* HAVE_LIBDW_SUPPORT */
static inline int get_dwarf_regnum(const char *name __maybe_unused,
unsigned int machine __maybe_unused)
@@ -32,7 +32,7 @@ static inline int get_dwarf_regnum(const char *name __maybe_unused,
}
#endif
-#if !defined(__powerpc__) || !defined(HAVE_DWARF_SUPPORT)
+#if !defined(__powerpc__) || !defined(HAVE_LIBDW_SUPPORT)
static inline void get_powerpc_regs(u32 raw_insn __maybe_unused, int is_source __maybe_unused,
struct annotated_op_loc *op_loc __maybe_unused)
{
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a17c9b8a7a79..fd94614a4022 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -342,7 +342,7 @@ static char *find_module_name(const char *module)
return mod_name;
}
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
static int kernel_get_module_dso(const char *module, struct dso **pdso)
{
@@ -1250,7 +1250,7 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs,
return ret;
}
-#else /* !HAVE_DWARF_SUPPORT */
+#else /* !HAVE_LIBDW_SUPPORT */
static void debuginfo_cache__exit(void)
{
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index f0149d72310c..b9a5afca4cc1 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -21,7 +21,7 @@ static inline int is_c_varname(const char *name)
return isalpha(name[0]) || name[0] == '_';
}
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#include "dwarf-aux.h"
#include "debuginfo.h"
@@ -102,6 +102,6 @@ struct line_finder {
int found;
};
-#endif /* HAVE_DWARF_SUPPORT */
+#endif /* HAVE_LIBDW_SUPPORT */
#endif /*_PROBE_FINDER_H */
--
2.47.0.rc0.187.ge670bccf7e-goog
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