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cmake: Add "size" target, update idf_size.py for different linker behaviour

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Angus Gratton 2018-01-22 15:16:01 +11:00 committed by Angus Gratton
parent 1f8e07fd8f
commit 0bdc12256e
2 changed files with 28 additions and 6 deletions
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15
tools/cmake/idf_functions.cmake
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@ -128,4 +128,19 @@ function(add_map_file exe_target)
set(mapfile "${basename}.map")
target_link_libraries(${exe_target} "-Wl,--gc-sections -Wl,--cref -Wl,--Map=${mapfile} -Wl,--start-group")
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/${mapfile}")
# add size targets, depend on map file, run idf_size.py
add_custom_target(size
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py ${mapfile}
)
add_custom_target(size-files
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --files ${mapfile}
)
add_custom_target(size-components
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --archives ${mapfile}
)
endfunction(add_map_file)

19
tools/idf_size.py
View file

@ -82,7 +82,6 @@ def load_sections(map_file):
is a dict with details about this section, including a "sources" key which holds a list of source file line information for each symbol linked into the section.
"""
scan_to_header(map_file, "Linker script and memory map")
scan_to_header(map_file, "END GROUP")
sections = {}
section = None
sym_backup = None
@ -102,16 +101,24 @@ 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"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
m = re.match(RE_SOURCE_LINE, line, re.M)
RE_SOURCE_LINE = r"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.ob?j?)\)"
m = re.match(RE_SOURCE_LINE, line)
if not m:
# cmake build system links some object files directly, not part of any archive
RE_SOURCE_LINE = r".*? +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<object_file>.+\.ob?j?)"
m = re.match(RE_SOURCE_LINE, line)
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
try:
archive = m.group("archive")
except IndexError:
archive = "(exe)"
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"),
"archive" : os.path.basename(archive)),
"object_file" : os.path.basename(m.group("object_file")),
"sym_name" : sym_name,
}
source["file"] = "%s:%s" % (source["archive"], source["object_file"])