3DPrinting/Prusa-Firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

elf_mem_map: switch to a named tuple for extensibility

Browse Source
This commit is contained in:
Yuri D'Elia 2021-06-02 18:13:43 +02:00 committed by DRracer
parent f2192dc5e6
commit 40b737e33d
1 changed files with 15 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
tools/elf_mem_map
View File

@ -2,6 +2,7 @@
import argparse
import elftools.elf.elffile
import elftools.dwarf.descriptions
from collections import namedtuple
from struct import unpack
SRAM_OFFSET = 0x800000
@ -9,6 +10,9 @@ EEPROM_OFFSET = 0x810000
FILL_BYTE = b'\0'
Entry = namedtuple('Entry', ['name', 'loc', 'size'])
def get_elf_globals(path):
fd = open(path, "rb")
if fd is None:
@ -60,7 +64,7 @@ def get_elf_globals(path):
continue
size = byte_size.value
grefs.append([name, loc, size])
grefs.append(Entry(name, loc, size))
return grefs
@ -106,14 +110,14 @@ def decode_dump(path):
def annotate_refs(grefs, addr, data, width=45, gaps=True):
last_end = None
for name, loc, size in grefs:
if loc < addr:
for entry in grefs:
if entry.loc < addr:
continue
if loc + size > addr + len(data):
if entry.loc + entry.size > addr + len(data):
continue
pos = loc-addr
end_pos = pos + size
pos = entry.loc-addr
end_pos = pos + entry.size
buf = data[pos:end_pos]
buf_repr = ''
@ -131,15 +135,15 @@ def annotate_refs(grefs, addr, data, width=45, gaps=True):
print('{:04x} {} {:4} R:{}'.format(addr+last_end, "*UNKNOWN*".ljust(width),
gap_size, gap_buf.hex()))
print('{:04x} {} {:4}{} R:{}'.format(loc, name.ljust(width), size,
buf_repr, buf.hex()))
print('{:04x} {} {:4}{} R:{}'.format(entry.loc, entry.name.ljust(width),
entry.size, buf_repr, buf.hex()))
last_end = end_pos
def print_map(grefs):
print('OFFSET\tSIZE\tNAME')
for name, loc, size in grefs:
print('{:x}\t{}\t{}'.format(loc, size, name))
for entry in grefs:
print('{:x}\t{}\t{}'.format(entry.loc, entry.size, entry.name))
def main():
@ -156,7 +160,7 @@ def main():
args = ap.parse_args()
grefs = get_elf_globals(args.elf)
grefs = list(sorted(grefs, key=lambda x: x[1]))
grefs = list(sorted(grefs, key=lambda x: x.loc))
if args.dump is None:
print_map(grefs)
else: