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66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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/* dwarf.h - DWARF debugging sections */
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/* (c) in 2018 by Frank Wille */
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struct dwarf_info {
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int version;
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char *producer;
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section *asec;
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void *range_length;
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section *lsec;
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void *line_length;
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section *rsec;
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int code_sections;
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atom *lowpc_atom,*highpc_atom;
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unsigned addr_len;
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unsigned min_inst_len;
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unsigned char default_is_stmt;
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signed char line_base;
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unsigned char line_range;
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unsigned char opcode_base;
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int max_pcadvance;
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int max_lnadvance_hipc;
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taddr address;
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int file,line,column,is_stmt,basic_block,end_sequence;
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};
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/* debug informations tags and attributes */
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#define DW_TAG_compile_unit 0x11
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#define DW_AT_name 0x03
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#define DW_AT_stmt_list 0x10
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#define DW_AT_low_pc 0x11
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#define DW_AT_high_pc 0x12
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#define DW_AT_language 0x13
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#define DW_AT_comp_dir 0x1b
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#define DW_AT_producer 0x25
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#define DW_AT_ranges 0x55 /* DWARF3 */
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/* debug abbreviation forms */
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#define DW_FORM_addr 1
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#define DW_FORM_data2 5
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#define DW_FORM_data4 6
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#define DW_FORM_string 8
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/* DW_AT_language */
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#define DW_LANG_C89 1
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#define DW_LANG_C 2
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#define DW_LANG_ASSEMBLER 0x8001 /* originally def. as MIPS assembler */
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/* statement machine opcodes */
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#define DW_LNS_copy 1
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#define DW_LNS_advance_pc 2
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#define DW_LNS_advance_line 3
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#define DW_LNS_set_file 4
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#define DW_LNS_const_add_pc 8
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#define DW_LNE_end_sequence 1
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#define DW_LNE_set_address 2
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/* functions */
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void dwarf_init(struct dwarf_info *,struct include_path *,struct source_file *);
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void dwarf_finish(struct dwarf_info *);
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void dwarf_end_sequence(struct dwarf_info *,section *);
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void dwarf_line(struct dwarf_info *,section *,int,int);
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