From c8ef747c0a8529ebe3021eb075b54a3257a1a551 Mon Sep 17 00:00:00 2001 From: Kedar Sovani Date: Fri, 16 Feb 2018 14:28:46 +0530 Subject: [PATCH] idf_size: Report per-symbol size from the map file Report as per the relevant sections output in the 'archives' output --- tools/idf_size.py | 42 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 40 insertions(+), 2 deletions(-) diff --git a/tools/idf_size.py b/tools/idf_size.py index aa1d767599..00fc2fa138 100755 --- a/tools/idf_size.py +++ b/tools/idf_size.py @@ -84,6 +84,7 @@ def load_sections(map_file): scan_to_header(map_file, "END GROUP") sections = {} section = None + sym_backup = None for line in map_file: # output section header, ie '.iram0.text 0x0000000040080400 0x129a5' RE_SECTION_HEADER = r"(?P[^ ]+) +0x(?P
[\da-f]+) +0x(?P[\da-f]+)$" @@ -100,18 +101,27 @@ def load_sections(map_file): # source file line, ie # 0x0000000040080400 0xa4 /home/gus/esp/32/idf/examples/get-started/hello_world/build/esp32/libesp32.a(cpu_start.o) - RE_SOURCE_LINE = r".*? +0x(?P
[\da-f]+) +0x(?P[\da-f]+) (?P.+\.a)\((?P.+\.o)\)" - m = re.match(RE_SOURCE_LINE, line) + RE_SOURCE_LINE = r"\s*(?P\S*).* +0x(?P
[\da-f]+) +0x(?P[\da-f]+) (?P.+\.a)\((?P.+\.o)\)" + + m = re.match(RE_SOURCE_LINE, line, re.M) if section is not None and m is not None: # input source file details + sym_name = m.group("sym_name") if len(m.group("sym_name")) > 0 else sym_backup source = { "size" : int(m.group("size"), 16), "address" : int(m.group("address"), 16), "archive" : os.path.basename(m.group("archive")), "object_file" : m.group("object_file"), + "sym_name" : sym_name, } source["file"] = "%s:%s" % (source["archive"], source["object_file"]) section["sources"] += [ source ] + # In some cases the section name appears on the previous line, back it up in here + RE_SYMBOL_ONLY_LINE = r"^ (?P\S*)$" + m = re.match(RE_SYMBOL_ONLY_LINE, line) + if section is not None and m is not None: + sym_backup = m.group("sym_name") + return sections def sizes_by_key(sections, key): @@ -146,6 +156,9 @@ def main(): parser.add_argument( '--archives', help='Print per-archive sizes', action='store_true') + parser.add_argument( + '--archive_details', help='Print detailed symbols per archive') + parser.add_argument( '--files', help='Print per-file sizes', action='store_true') @@ -160,6 +173,9 @@ def main(): if args.files: print("Per-file contributions to ELF file:") print_detailed_sizes(sections, "file", "Object File") + if args.archive_details: + print "Symbols within the archive:", args.archive_details, "(Not all symbols may be reported)" + print_archive_symbols(sections, args.archive_details) def print_summary(memory_config, sections): def get_size(section): @@ -226,6 +242,28 @@ def print_detailed_sizes(sections, key, header): flash_rodata, total)) +def print_archive_symbols(sections, archive): + interested_sections = [".dram0.data", ".dram0.bss", ".iram0.text", ".iram0.vectors", ".flash.text", ".flash.rodata"] + result = {} + for t in interested_sections: + result[t] = {} + for section in sections.values(): + section_name = section["name"] + if section_name not in interested_sections: + continue + for s in section["sources"]: + if archive != s["archive"]: + continue + s["sym_name"] = re.sub("(.text.|.literal.|.data.|.bss.|.rodata.)", "", s["sym_name"]); + result[section_name][s["sym_name"]] = result[section_name].get(s["sym_name"], 0) + s["size"] + for t in interested_sections: + print "\nSymbols from section:", t + section_total = 0 + for key,val in sorted(result[t].items(), key=lambda (k,v): v, reverse=True): + print("%s(%d)"% (key.replace(t + ".", ""), val)), + section_total += val + print "\nSection total:",section_total + if __name__ == "__main__": main() -- 2.40.0