NetBoot/vasm-1/dwarf.h
2020-06-20 09:33:04 +08:00

66 lines
1.8 KiB
C

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