checkpoint on simplified / stripped down dwarf -> rdi, and dwarf parsing helpers

Author: ryanfleury

src/base/base_strings.c

@@ -2769,14 +2769,14 @@ str8_serial_push_string(Arena *arena, String8List *srl, String8 str){
 internal U64
 str8_deserial_read(String8 string, U64 off, void *read_dst, U64 read_size, U64 granularity)
 {
-  U64 bytes_left = string.size-Min(off, string.size);
+  U64 bytes_left = string.size - Min(off, string.size);
   U64 actually_readable_size = Min(bytes_left, read_size);
   U64 legally_readable_size = actually_readable_size - actually_readable_size%granularity;
   if(legally_readable_size > 0)
   {
     MemoryCopy(read_dst, string.str+off, legally_readable_size);
   }
-  return legally_readable_size;
+  return actually_readable_size;
 }
 
 internal U64

src/dwarf/dwarf_inc.c

@@ -4,6 +4,7 @@
 #include "dwarf/dwarf.c"
 #include "dwarf/dwarf_expr.c"
 #include "dwarf/dwarf_parse.c"
+#include "dwarf/dwarf_parse_2.c"
 #include "dwarf/dwarf_coff.c"
 #include "dwarf/dwarf_elf.c"
 #include "dwarf/dwarf_unwind.c"

src/dwarf/dwarf_inc.h

@@ -7,6 +7,7 @@
 #include "dwarf/dwarf.h"
 #include "dwarf/dwarf_expr.h"
 #include "dwarf/dwarf_parse.h"
+#include "dwarf/dwarf_parse_2.h"
 #include "dwarf/dwarf_coff.h"
 #include "dwarf/dwarf_elf.h"
 #include "dwarf/dwarf_unwind.h"

src/dwarf/dwarf_parse.c

@@ -758,8 +758,6 @@ dw_read_tag(Arena          *arena,
       // fill out node
       DW_AttribNode *attrib_n  = push_array(arena, DW_AttribNode, 1);
       attrib_n->v.info_off     = tag_base + attrib_tag_cursor;
-      attrib_n->v.abbrev_off   = attrib_abbrev_off;
-      attrib_n->v.abbrev_id    = attrib_abbrev.id;
       attrib_n->v.attrib_kind  = attrib_kind;
       attrib_n->v.form_kind    = form_kind;
       attrib_n->v.form         = form;

src/dwarf/dwarf_parse.h

@@ -115,8 +115,6 @@ typedef struct DW_Attrib DW_Attrib;
 struct DW_Attrib
 {
   U64 info_off;
-  U64 abbrev_off;
-  U64 abbrev_id;
   DW_AttribKind attrib_kind;
   DW_FormKind form_kind;
   DW_Form form;