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elf_mem_map: handle abstract locations

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This commit is contained in:
Yuri D'Elia 2021-06-02 19:26:29 +02:00 committed by DRracer
parent 2718dbb42c
commit c311266a83
1 changed files with 14 additions and 4 deletions
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18
tools/elf_mem_map
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@ -40,11 +40,10 @@ def get_elf_globals(path):
# handle only variable types
if DIE.tag != 'DW_TAG_variable':
continue
if 'DW_AT_name' not in DIE.attributes:
continue
if 'DW_AT_location' not in DIE.attributes:
continue
if 'DW_AT_type' not in DIE.attributes:
if 'DW_AT_name' not in DIE.attributes and \
'DW_AT_abstract_origin' not in DIE.attributes:
continue
# handle locations encoded directly as DW_OP_addr (leaf globals)
@ -57,7 +56,18 @@ def get_elf_globals(path):
continue
loc -= SRAM_OFFSET
# variable name
# variable name/type
if 'DW_AT_name' not in DIE.attributes and \
'DW_AT_abstract_origin' in DIE.attributes:
DIE = DIE.get_DIE_from_attribute('DW_AT_abstract_origin')
if 'DW_AT_location' in DIE.attributes:
# duplicate reference (handled directly), skip
continue
if 'DW_AT_name' not in DIE.attributes:
continue
if 'DW_AT_type' not in DIE.attributes:
continue
name = DIE.attributes['DW_AT_name'].value.decode('ascii')
# recurse on type to find the final storage definition