djipi
commented
1 year ago Extract from DWARF information.
<1><2b9ac>: Abbrev Number: 37 (DW_TAG_subprogram) <2b9ad> DW_AT_external : 1 <2b9ae> DW_AT_name : (indirect string, offset: 0x16080): Com_Error <2b9b2> DW_AT_decl_file : 1 <2b9b3> DW_AT_decl_line : 199 <2b9b4> DW_AT_prototyped : 1 <2b9b5> DW_AT_low_pc : 0x824b2a <2b9b9> DW_AT_high_pc : 0x824c34 <2b9bd> DW_AT_frame_base : 0x3820 (location list) <2b9c1> DW_AT_GNU_all_tail_call_sites: 1 <2b9c2> DW_AT_sibling : <0x2ba14> <2><2b9c6>: Abbrev Number: 35 (DW_TAG_formal_parameter) <2b9c7> DW_AT_name : (indirect string, offset: 0x164ca): code <2b9cb> DW_AT_decl_file : 1 <2b9cc> DW_AT_decl_line : 199 <2b9cd> DW_AT_type : <0x2ac31> <2b9d1> DW_AT_location : 2 byte block: 91 0 (DW_OP_fbreg: 0) <2><2b9d4>: Abbrev Number: 38 (DW_TAG_formal_parameter) <2b9d5> DW_AT_name : fmt <2b9d9> DW_AT_decl_file : 1 <2b9da> DW_AT_decl_line : 199 <2b9db> DW_AT_type : <0x2ace3> <2b9df> DW_AT_location : 2 byte block: 91 4 (DW_OP_fbreg: 4) <2><2b9e2>: Abbrev Number: 39 (DW_TAG_unspecified_parameters) <2><2b9e3>: Abbrev Number: 40 (DW_TAG_variable) <2b9e4> DW_AT_name : (indirect string, offset: 0x16632): argptr <2b9e8> DW_AT_decl_file : 1 <2b9e9> DW_AT_decl_line : 201 <2b9ea> DW_AT_type : <0x2b536> <2b9ee> DW_AT_location : 2 byte block: 7e 7c (DW_OP_breg14 (r14): -4) <2><2b9f1>: Abbrev Number: 41 (DW_TAG_variable) <2b9f2> DW_AT_name : msg <2b9f6> DW_AT_decl_file : 1 <2b9f7> DW_AT_decl_line : 202 <2b9f8> DW_AT_type : <0x2b954> <2b9fc> DW_AT_location : 5 byte block: 3 0 1 b0 74 (DW_OP_addr: 1b074) <2><2ba02>: Abbrev Number: 40 (DW_TAG_variable) <2ba03> DW_AT_name : (indirect string, offset: 0x15c2e): recursive <2ba07> DW_AT_decl_file : 1 <2ba08> DW_AT_decl_line : 203 <2ba09> DW_AT_type : <0x2abfc> <2ba0d> DW_AT_location : 5 byte block: 3 0 1 b0 70 (DW_OP_addr: 1b070) <2><2ba13>: Abbrev Number: 0
The 'msg' and 'recursive' variables are local static in the source code.
Problem comes from the DWARF handler, it doesn't support yet a such situation.