Anders Blomdell
Clone of official tools
Diff: memap.py
- Revision:
- 29:1210849dba19
- Parent:
- 24:25bff2709c20
- Child:
- 30:f12ce67666d0
diff -r e080013bb94e -r 1210849dba19 memap.py
--- a/memap.py Mon Aug 29 10:55:42 2016 +0100
+++ b/memap.py Mon Aug 29 11:18:36 2016 +0100
@@ -1,8 +1,6 @@
#!/usr/bin/env python
-# pylint: disable=too-many-arguments, too-many-locals, too-many-branches, too-many-lines, line-too-long, too-many-nested-blocks, too-many-public-methods, too-many-instance-attributes
-# pylint: disable=invalid-name, missing-docstring
-# Memory Map File Analyser for ARM mbed
+"""Memory Map File Analyser for ARM mbed"""
import sys
import os
@@ -10,37 +8,46 @@
import csv
import json
import argparse
-from utils import argparse_uppercase_type, argparse_lowercase_hyphen_type, argparse_filestring_type
from prettytable import PrettyTable
-debug = False
+from tools.utils import argparse_filestring_type, \
+ argparse_lowercase_hyphen_type, argparse_uppercase_type
+
+DEBUG = False
+RE_ARMCC = re.compile(
+ r'^\s+0x(\w{8})\s+0x(\w{8})\s+(\w+)\s+(\w+)\s+(\d+)\s+[*]?.+\s+(.+)$')
+RE_IAR = re.compile(
+ r'^\s+(.+)\s+(zero|const|ro code|inited|uninit)\s'
+ r'+0x(\w{8})\s+0x(\w+)\s+(.+)\s.+$')
class MemapParser(object):
+ """An object that represents parsed results, parses the memory map files,
+ and writes out different file types of memory results
+ """
+
+ print_sections = ('.text', '.data', '.bss')
+
+ misc_flash_sections = ('.interrupts', '.flash_config')
+
+ other_sections = ('.interrupts_ram', '.init', '.ARM.extab',
+ '.ARM.exidx', '.ARM.attributes', '.eh_frame',
+ '.init_array', '.fini_array', '.jcr', '.stab',
+ '.stabstr', '.ARM.exidx', '.ARM')
+
+ # sections to print info (generic for all toolchains)
+ sections = ('.text', '.data', '.bss', '.heap', '.stack')
def __init__(self):
- """
- General initialization
+ """ General initialization
"""
# list of all modules and their sections
self.modules = dict()
- self.misc_flash_sections = ('.interrupts', '.flash_config')
-
- self.other_sections = ('.interrupts_ram', '.init', '.ARM.extab',
- '.ARM.exidx', '.ARM.attributes', '.eh_frame',
- '.init_array', '.fini_array', '.jcr', '.stab',
- '.stabstr', '.ARM.exidx', '.ARM')
-
- # sections to print info (generic for all toolchains)
- self.sections = ('.text', '.data', '.bss', '.heap', '.stack')
-
# sections must be defined in this order to take irrelevant out
self.all_sections = self.sections + self.other_sections + \
self.misc_flash_sections + ('unknown', 'OUTPUT')
- self.print_sections = ('.text', '.data', '.bss')
-
# list of all object files and mappting to module names
self.object_to_module = dict()
@@ -48,8 +55,12 @@
self.mem_summary = dict()
def module_add(self, module_name, size, section):
- """
- Adds a module / section to the list
+ """ Adds a module / section to the list
+
+ Positional arguments:
+ module_name - name of the module to add
+ size - the size of the module being added
+ section - the section the module contributes to
"""
if module_name in self.modules:
@@ -62,22 +73,29 @@
self.modules[module_name] = temp_dic
def check_new_section_gcc(self, line):
- """
- Check whether a new section in a map file has been detected (only applies to gcc)
+ """ Check whether a new section in a map file has been detected (only
+ applies to gcc)
+
+ Positional arguments:
+ line - the line to check for a new section
"""
for i in self.all_sections:
if line.startswith(i):
- return i # should name of the section (assuming it's a known one)
+ # should name of the section (assuming it's a known one)
+ return i
if line.startswith('.'):
return 'unknown' # all others are classified are unknown
else:
return False # everything else, means no change in section
- def path_object_to_module_name(self, txt):
- """
- Parses path to object file and extracts module / object data
+ @staticmethod
+ def path_object_to_module_name(txt):
+ """ Parse a path to object file to extract it's module and object data
+
+ Positional arguments:
+ txt - the path to parse the object and module name from
"""
txt = txt.replace('\\', '/')
@@ -101,13 +119,17 @@
def parse_section_gcc(self, line):
- """
- Parse data from a section of gcc map file
+ """ Parse data from a section of gcc map file
+
+ examples:
+ 0x00004308 0x7c ./.build/K64F/GCC_ARM/mbed-os/hal/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/spi_api.o
+ .text 0x00000608 0x198 ./.build/K64F/GCC_ARM/mbed-os/core/mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_GCC/HAL_CM4.o
+
+ Positional arguments:
+ line - the line to parse a section from
"""
- # examples
- # 0x00004308 0x7c ./.build/K64F/GCC_ARM/mbed-os/hal/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/spi_api.o
- # .text 0x00000608 0x198 ./.build/K64F/GCC_ARM/mbed-os/core/mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_GCC/HAL_CM4.o
- rex_address_len_name = r'^\s+.*0x(\w{8,16})\s+0x(\w+)\s(.+)$'
+ rex_address_len_name = re.compile(
+ r'^\s+.*0x(\w{8,16})\s+0x(\w+)\s(.+)$')
test_address_len_name = re.match(rex_address_len_name, line)
@@ -116,7 +138,8 @@
if int(test_address_len_name.group(2), 16) == 0: # size == 0
return ["", 0] # no valid entry
else:
- m_name, m_object = self.path_object_to_module_name(test_address_len_name.group(3))
+ m_name, _ = self.path_object_to_module_name(
+ test_address_len_name.group(3))
m_size = int(test_address_len_name.group(2), 16)
return [m_name, m_size]
@@ -137,8 +160,10 @@
return ["", 0] # no valid entry
def parse_map_file_gcc(self, file_desc):
- """
- Main logic to decode gcc map files
+ """ Main logic to decode gcc map files
+
+ Positional arguments:
+ file_desc - a stream object to parse as a gcc map file
"""
current_section = 'unknown'
@@ -168,22 +193,25 @@
else:
self.module_add(module_name, module_size, current_section)
- if debug:
+ if DEBUG:
print "Line: %s" % line,
- print "Module: %s\tSection: %s\tSize: %s" % (module_name, current_section, module_size)
+ print "Module: %s\tSection: %s\tSize: %s" % \
+ (module_name, current_section, module_size)
raw_input("----------")
def parse_section_armcc(self, line):
- """
- Parse data from an armcc map file
+ """ Parse data from an armcc map file
+
+ Examples of armcc map file:
+ Base_Addr Size Type Attr Idx E Section Name Object
+ 0x00000000 0x00000400 Data RO 11222 RESET startup_MK64F12.o
+ 0x00000410 0x00000008 Code RO 49364 * !!!main c_w.l(__main.o)
+
+ Positional arguments:
+ line - the line to parse the section data from
"""
- # Examples of armcc map file:
- # Base_Addr Size Type Attr Idx E Section Name Object
- # 0x00000000 0x00000400 Data RO 11222 RESET startup_MK64F12.o
- # 0x00000410 0x00000008 Code RO 49364 * !!!main c_w.l(__main.o)
- rex_armcc = r'^\s+0x(\w{8})\s+0x(\w{8})\s+(\w+)\s+(\w+)\s+(\d+)\s+[*]?.+\s+(.+)$'
- test_rex_armcc = re.match(rex_armcc, line)
+ test_rex_armcc = re.match(RE_ARMCC, line)
if test_rex_armcc:
@@ -213,30 +241,34 @@
return ["", 0, ""] # no valid entry
def parse_section_iar(self, line):
- """
- Parse data from an IAR map file
+ """ Parse data from an IAR map file
+
+ Examples of IAR map file:
+ Section Kind Address Size Object
+ .intvec ro code 0x00000000 0x198 startup_MK64F12.o [15]
+ .rodata const 0x00000198 0x0 zero_init3.o [133]
+ .iar.init_table const 0x00008384 0x2c - Linker created -
+ Initializer bytes const 0x00000198 0xb2 <for P3 s0>
+ .data inited 0x20000000 0xd4 driverAtmelRFInterface.o [70]
+ .bss zero 0x20000598 0x318 RTX_Conf_CM.o [4]
+ .iar.dynexit uninit 0x20001448 0x204 <Block tail>
+ HEAP uninit 0x20001650 0x10000 <Block tail>
+
+ Positional_arguments:
+ line - the line to parse section data from
"""
- # Examples of IAR map file:
- # Section Kind Address Size Object
- # .intvec ro code 0x00000000 0x198 startup_MK64F12.o [15]
- # .rodata const 0x00000198 0x0 zero_init3.o [133]
- # .iar.init_table const 0x00008384 0x2c - Linker created -
- # Initializer bytes const 0x00000198 0xb2 <for P3 s0>
- # .data inited 0x20000000 0xd4 driverAtmelRFInterface.o [70]
- # .bss zero 0x20000598 0x318 RTX_Conf_CM.o [4]
- # .iar.dynexit uninit 0x20001448 0x204 <Block tail>
- # HEAP uninit 0x20001650 0x10000 <Block tail>
- rex_iar = r'^\s+(.+)\s+(zero|const|ro code|inited|uninit)\s+0x(\w{8})\s+0x(\w+)\s+(.+)\s.+$'
- test_rex_iar = re.match(rex_iar, line)
+ test_rex_iar = re.match(RE_IAR, line)
if test_rex_iar:
size = int(test_rex_iar.group(4), 16)
- if test_rex_iar.group(2) == 'const' or test_rex_iar.group(2) == 'ro code':
+ if test_rex_iar.group(2) == 'const' or \
+ test_rex_iar.group(2) == 'ro code':
section = '.text'
- elif test_rex_iar.group(2) == 'zero' or test_rex_iar.group(2) == 'uninit':
+ elif test_rex_iar.group(2) == 'zero' or \
+ test_rex_iar.group(2) == 'uninit':
if test_rex_iar.group(1)[0:4] == 'HEAP':
section = '.heap'
elif test_rex_iar.group(1)[0:6] == 'CSTACK':
@@ -263,8 +295,10 @@
return ["", 0, ""] # no valid entry
def parse_map_file_armcc(self, file_desc):
- """
- Main logic to decode armcc map files
+ """ Main logic to decode armc5 map files
+
+ Positional arguments:
+ file_desc - a file like object to parse as an armc5 map file
"""
with file_desc as infile:
@@ -285,8 +319,10 @@
self.module_add(name, size, section)
def parse_map_file_iar(self, file_desc):
- """
- Main logic to decode armcc map files
+ """ Main logic to decode IAR map files
+
+ Positional arguments:
+ file_desc - a file like object to parse as an IAR map file
"""
with file_desc as infile:
@@ -307,9 +343,12 @@
self.module_add(name, size, section)
def search_objects(self, path, toolchain):
- """
- Check whether the specified map file matches with the toolchain.
+ """ Check whether the specified map file matches with the toolchain.
Searches for object files and creates mapping: object --> module
+
+ Positional arguments:
+ path - the path to an object file
+ toolchain - the toolchain used to build the object file
"""
path = path.replace('\\', '/')
@@ -323,18 +362,22 @@
else:
# It looks this is not an mbed project
# object-to-module mapping cannot be generated
- print "Warning: specified toolchain doesn't match with path to the memory map file."
+ print "Warning: specified toolchain doesn't match with"\
+ " path to the memory map file."
return
- for root, dir, obj_files in os.walk(search_path):
+ for root, _, obj_files in os.walk(search_path):
for obj_file in obj_files:
if obj_file.endswith(".o"):
- module_name, object_name = self.path_object_to_module_name(os.path.join(root, obj_file))
+ module_name, object_name = self.path_object_to_module_name(
+ os.path.join(root, obj_file))
if object_name in self.object_to_module:
- if debug:
- print "WARNING: multiple usages of object file: %s" % object_name
- print " Current: %s" % self.object_to_module[object_name]
+ if DEBUG:
+ print "WARNING: multiple usages of object file: %s"\
+ % object_name
+ print " Current: %s" % \
+ self.object_to_module[object_name]
print " New: %s" % module_name
print " "
else:
@@ -343,12 +386,13 @@
export_formats = ["json", "csv-ci", "table"]
def generate_output(self, export_format, file_output=None):
- """
- Generates summary of memory map data
+ """ Generates summary of memory map data
- Parameters
- json_mode: generates output in json formal (True/False)
- file_desc: descriptor (either stdout or file)
+ Positional arguments:
+ export_format - the format to dump
+
+ Keyword arguments:
+ file_desc - descriptor (either stdout or file)
"""
try:
@@ -360,6 +404,10 @@
print "I/O error({0}): {1}".format(error.errno, error.strerror)
return False
+ subtotal = dict()
+ for k in self.sections:
+ subtotal[k] = 0
+
# Calculate misc flash sections
misc_flash_mem = 0
for i in self.modules:
@@ -367,6 +415,102 @@
if self.modules[i][k]:
misc_flash_mem += self.modules[i][k]
+ json_obj = []
+ for i in sorted(self.modules):
+
+ row = []
+
+ json_obj.append({
+ "module":i,
+ "size":{
+ k:self.modules[i][k] for k in self.print_sections
+ }
+ })
+
+ summary = {
+ 'summary':{
+ 'static_ram': (subtotal['.data'] + subtotal['.bss']),
+ 'heap': (subtotal['.heap']),
+ 'stack': (subtotal['.stack']),
+ 'total_ram': (subtotal['.data'] + subtotal['.bss'] +
+ subtotal['.heap']+subtotal['.stack']),
+ 'total_flash': (subtotal['.text'] + subtotal['.data'] +
+ misc_flash_mem),
+ }
+ }
+
+ self.mem_summary = json_obj + [summary]
+
+ to_call = {'json': self.generate_json,
+ 'csv-ci': self.generate_csv,
+ 'table': self.generate_table}[export_format]
+ to_call(subtotal, misc_flash_mem, file_desc)
+
+ if file_desc is not sys.stdout:
+ file_desc.close()
+
+ def generate_json(self, _, dummy, file_desc):
+ """Generate a json file from a memory map
+
+ Positional arguments:
+ subtotal - total sizes for each module
+ misc_flash_mem - size of misc flash sections
+ file_desc - the file to write out the final report to
+ """
+ file_desc.write(json.dumps(self.mem_summary, indent=4))
+ file_desc.write('\n')
+
+ def generate_csv(self, subtotal, misc_flash_mem, file_desc):
+ """Generate a CSV file from a memoy map
+
+ Positional arguments:
+ subtotal - total sizes for each module
+ misc_flash_mem - size of misc flash sections
+ file_desc - the file to write out the final report to
+ """
+ csv_writer = csv.writer(file_desc, delimiter=',',
+ quoting=csv.QUOTE_NONE)
+
+ csv_module_section = []
+ csv_sizes = []
+ for i in sorted(self.modules):
+ for k in self.print_sections:
+ csv_module_section += [i+k]
+ csv_sizes += [self.modules[i][k]]
+
+ csv_module_section += ['static_ram']
+ csv_sizes += [subtotal['.data']+subtotal['.bss']]
+
+ csv_module_section += ['heap']
+ if subtotal['.heap'] == 0:
+ csv_sizes += ['unknown']
+ else:
+ csv_sizes += [subtotal['.heap']]
+
+ csv_module_section += ['stack']
+ if subtotal['.stack'] == 0:
+ csv_sizes += ['unknown']
+ else:
+ csv_sizes += [subtotal['.stack']]
+
+ csv_module_section += ['total_ram']
+ csv_sizes += [subtotal['.data'] + subtotal['.bss'] +
+ subtotal['.heap'] + subtotal['.stack']]
+
+ csv_module_section += ['total_flash']
+ csv_sizes += [subtotal['.text']+subtotal['.data']+misc_flash_mem]
+
+ csv_writer.writerow(csv_module_section)
+ csv_writer.writerow(csv_sizes)
+
+ def generate_table(self, subtotal, misc_flash_mem, file_desc):
+ """Generate a table from a memoy map
+
+ Positional arguments:
+ subtotal - total sizes for each module
+ misc_flash_mem - size of misc flash sections
+ file_desc - the file to write out the final report to
+ """
# Create table
columns = ['Module']
columns.extend(self.print_sections)
@@ -379,15 +523,8 @@
for i in list(self.print_sections):
table.align[i] = 'r'
- subtotal = dict()
- for k in self.sections:
- subtotal[k] = 0
-
- json_obj = []
for i in sorted(self.modules):
-
- row = []
- row.append(i)
+ row = [i]
for k in self.sections:
subtotal[k] += self.modules[i][k]
@@ -395,13 +532,6 @@
for k in self.print_sections:
row.append(self.modules[i][k])
- json_obj.append({
- "module":i,
- "size":{
- k:self.modules[i][k] for k in self.print_sections
- }
- })
-
table.add_row(row)
subtotal_row = ['Subtotals']
@@ -410,98 +540,46 @@
table.add_row(subtotal_row)
- summary = {
- 'summary':{
- 'static_ram':(subtotal['.data']+subtotal['.bss']),
- 'heap':(subtotal['.heap']),
- 'stack':(subtotal['.stack']),
- 'total_ram':(subtotal['.data']+subtotal['.bss']+subtotal['.heap']+subtotal['.stack']),
- 'total_flash':(subtotal['.text']+subtotal['.data']+misc_flash_mem),
- }
- }
-
- if export_format == 'json':
- json_to_file = json_obj + [summary]
- file_desc.write(json.dumps(json_to_file, indent=4))
- file_desc.write('\n')
-
- elif export_format == 'csv-ci': # CSV format for the CI system
+ file_desc.write(table.get_string())
+ file_desc.write('\n')
- csv_writer = csv.writer(file_desc, delimiter=',', quoting=csv.QUOTE_NONE)
-
- csv_module_section = []
- csv_sizes = []
- for i in sorted(self.modules):
- for k in self.print_sections:
- csv_module_section += [i+k]
- csv_sizes += [self.modules[i][k]]
-
- csv_module_section += ['static_ram']
- csv_sizes += [subtotal['.data']+subtotal['.bss']]
-
- csv_module_section += ['heap']
- if subtotal['.heap'] == 0:
- csv_sizes += ['unknown']
- else:
- csv_sizes += [subtotal['.heap']]
+ if subtotal['.heap'] == 0:
+ file_desc.write("Allocated Heap: unknown\n")
+ else:
+ file_desc.write("Allocated Heap: %s bytes\n" %
+ str(subtotal['.heap']))
- csv_module_section += ['stack']
- if subtotal['.stack'] == 0:
- csv_sizes += ['unknown']
- else:
- csv_sizes += [subtotal['.stack']]
-
- csv_module_section += ['total_ram']
- csv_sizes += [subtotal['.data']+subtotal['.bss']+subtotal['.heap']+subtotal['.stack']]
-
- csv_module_section += ['total_flash']
- csv_sizes += [subtotal['.text']+subtotal['.data']+misc_flash_mem]
-
- csv_writer.writerow(csv_module_section)
- csv_writer.writerow(csv_sizes)
-
- else: # default format is 'table'
- file_desc.write(table.get_string())
- file_desc.write('\n')
+ if subtotal['.stack'] == 0:
+ file_desc.write("Allocated Stack: unknown\n")
+ else:
+ file_desc.write("Allocated Stack: %s bytes\n" %
+ str(subtotal['.stack']))
- if subtotal['.heap'] == 0:
- file_desc.write("Allocated Heap: unknown\n")
- else:
- file_desc.write("Allocated Heap: %s bytes\n" % str(subtotal['.heap']))
-
- if subtotal['.stack'] == 0:
- file_desc.write("Allocated Stack: unknown\n")
- else:
- file_desc.write("Allocated Stack: %s bytes\n" % str(subtotal['.stack']))
-
- file_desc.write("Total Static RAM memory (data + bss): %s bytes\n" % (str(subtotal['.data']+subtotal['.bss'])))
- file_desc.write("Total RAM memory (data + bss + heap + stack): %s bytes\n" % (str(subtotal['.data']+subtotal['.bss']+subtotal['.heap']+subtotal['.stack'])))
- file_desc.write("Total Flash memory (text + data + misc): %s bytes\n" % (str(subtotal['.text']+subtotal['.data']+misc_flash_mem)))
-
- if file_desc is not sys.stdout:
- file_desc.close()
-
- self.mem_summary = json_obj + [summary]
-
- return True
-
- def get_memory_summary(self):
- """! Object is available only after self.generate_output('json') is called
- @return Return memory summary object
- """
- return self.mem_summary
+ file_desc.write("Total Static RAM memory (data + bss): %s bytes\n" %
+ (str(subtotal['.data'] + subtotal['.bss'])))
+ file_desc.write(
+ "Total RAM memory (data + bss + heap + stack): %s bytes\n"
+ % (str(subtotal['.data'] + subtotal['.bss'] + subtotal['.heap'] +
+ subtotal['.stack'])))
+ file_desc.write("Total Flash memory (text + data + misc): %s bytes\n" %
+ (str(subtotal['.text'] + subtotal['.data'] +
+ misc_flash_mem)))
toolchains = ["ARM", "ARM_STD", "ARM_MICRO", "GCC_ARM", "IAR"]
def parse(self, mapfile, toolchain):
- """
- Parse and decode map file depending on the toolchain
+ """ Parse and decode map file depending on the toolchain
+
+ Positional arguments:
+ mapfile - the file name of the memory map file
+ toolchain - the toolchain used to create the file
"""
result = True
try:
- with open(mapfile, 'rt') as file_input:
- if toolchain == "ARM" or toolchain == "ARM_STD" or toolchain == "ARM_MICRO":
+ with open(mapfile, 'r') as file_input:
+ if toolchain == "ARM" or toolchain == "ARM_STD" or\
+ toolchain == "ARM_MICRO":
self.search_objects(os.path.abspath(mapfile), "ARM")
self.parse_map_file_armcc(file_input)
elif toolchain == "GCC_ARM":
@@ -517,21 +595,34 @@
return result
def main():
+ """Entry Point"""
version = '0.3.11'
# Parser handling
- parser = argparse.ArgumentParser(description="Memory Map File Analyser for ARM mbed\nversion %s" % version)
+ parser = argparse.ArgumentParser(
+ description="Memory Map File Analyser for ARM mbed\nversion %s" %
+ version)
- parser.add_argument('file', type=argparse_filestring_type, help='memory map file')
+ parser.add_argument(
+ 'file', type=argparse_filestring_type, help='memory map file')
- parser.add_argument('-t', '--toolchain', dest='toolchain', help='select a toolchain used to build the memory map file (%s)' % ", ".join(MemapParser.toolchains),\
- required=True, type=argparse_uppercase_type(MemapParser.toolchains, "toolchain"))
+ parser.add_argument(
+ '-t', '--toolchain', dest='toolchain',
+ help='select a toolchain used to build the memory map file (%s)' %
+ ", ".join(MemapParser.toolchains),
+ required=True,
+ type=argparse_uppercase_type(MemapParser.toolchains, "toolchain"))
- parser.add_argument('-o', '--output', help='output file name', required=False)
+ parser.add_argument(
+ '-o', '--output', help='output file name', required=False)
- parser.add_argument('-e', '--export', dest='export', required=False, default='table', type=argparse_lowercase_hyphen_type(MemapParser.export_formats,'export format'),\
- help="export format (examples: %s: default)" % ", ".join(MemapParser.export_formats))
+ parser.add_argument(
+ '-e', '--export', dest='export', required=False, default='table',
+ type=argparse_lowercase_hyphen_type(MemapParser.export_formats,
+ 'export format'),
+ help="export format (examples: %s: default)" %
+ ", ".join(MemapParser.export_formats))
parser.add_argument('-v', '--version', action='version', version=version)
@@ -541,7 +632,7 @@
sys.exit(1)
- args, remainder = parser.parse_known_args()
+ args = parser.parse_args()
# Create memap object
memap = MemapParser()