DW_CFA_AARCH64_negate_ra_state

eliben · Dec 7, 2023 · bee47ce · bee47ce
1 parent 01dfbb9
commit bee47ce
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Showing 3 changed files with 4 additions and 3 deletions.
diff --git a/elftools/dwarf/callframe.py b/elftools/dwarf/callframe.py
@@ -199,7 +199,7 @@ def _parse_instructions(self, structs, offset, end_offset):
                 args = [primary_arg]
             # primary == 0 and real opcode is extended
             elif opcode in (DW_CFA_nop, DW_CFA_remember_state,
-                            DW_CFA_restore_state, DW_CFA_GNU_window_save):
+                            DW_CFA_restore_state, DW_CFA_AARCH64_negate_ra_state):
                 args = []
             elif opcode == DW_CFA_set_loc:
                 args = [

diff --git a/elftools/dwarf/constants.py b/elftools/dwarf/constants.py
@@ -208,7 +208,8 @@
 DW_CFA_val_offset = 0x14
 DW_CFA_val_offset_sf = 0x15
 DW_CFA_val_expression = 0x16
-DW_CFA_GNU_window_save = 0x2d
+DW_CFA_GNU_window_save = 0x2d # Used on SPARC, not in the corpus
+DW_CFA_AARCH64_negate_ra_state = 0x2d
 DW_CFA_GNU_args_size = 0x2e
 
 

diff --git a/elftools/dwarf/descriptions.py b/elftools/dwarf/descriptions.py
@@ -89,7 +89,7 @@ def _full_reg_name(regnum):
                 name, factored_offset, factored_offset + pc)
             pc += factored_offset
         elif name in (  'DW_CFA_remember_state', 'DW_CFA_restore_state',
-                        'DW_CFA_nop'):
+                        'DW_CFA_nop', 'DW_CFA_AARCH64_negate_ra_state'):
             s += '  %s\n' % name
         elif name == 'DW_CFA_def_cfa':
             s += '  %s: %s ofs %s\n' % (