dbgi: fix incorrect grab of raddbg header; raddbg_from_pdb: fix unsigned interpretation of offsets in defrange symbols; fix incorrect byte position/size encoding ordering in some location info cases

src/dbgi/dbgi.c

@@ -653,7 +653,7 @@ dbgi_parse_thread_entry_point(void *p)
       file_base = os_file_map_view_open(file_map, OS_AccessFlag_Read, r1u64(0, file_props.size));
       if(sizeof(RADDBG_Header) <= file_props.size)
       {
-        RADDBG_Header *header = (RADDBG_Header*)&file_base;
+        RADDBG_Header *header = (RADDBG_Header*)file_base;
         if(header->encoding_version != RADDBG_ENCODING_VERSION)
         {
           raddbg_file_is_up_to_date = 0;

src/eval/eval_parser.c

@@ -857,7 +857,19 @@ eval_parse_expr_from_text_tokens__prec(Arena *arena, EVAL_ParseCtx *ctx, String8
                     case RADDBG_LocationKind_ValBytecodeStream:
                     {
                       U8 *bytecode_base = ctx->rdbg->location_data + block->location_data_off + sizeof(RADDBG_LocationKind);
-                      loc_bytecode = str8_cstring((char *)bytecode_base);
+                      U64 bytecode_size = 0;
+                      for(U64 idx = 0; idx < ctx->rdbg->location_data_size; idx += 1)
+                      {
+                        U8 op = bytecode_base[idx];
+                        if(op == 0)
+                        {
+                          break;
+                        }
+                        U8 ctrlbits = raddbg_eval_opcode_ctrlbits[op];
+                        U32 p_size = RADDBG_DECODEN_FROM_CTRLBITS(ctrlbits);
+                        bytecode_size += 1+p_size;
+                      }
+                      loc_bytecode = str8(bytecode_base, bytecode_size);
                     }break;
                     case RADDBG_LocationKind_AddrRegisterPlusU16:
                     case RADDBG_LocationKind_AddrAddrRegisterPlusU16:

src/raddbg/raddbg.c

@@ -82,10 +82,12 @@ update_and_render(OS_Handle repaint_window_handle, void *user_data)
   {
     if(os_key_press(&events, os_handle_zero(), 0, OS_Key_Esc))
     {
+      df_gfx_request_frame();
       df_gfx_state->bind_change_active = 0;
     }
     if(os_key_press(&events, os_handle_zero(), 0, OS_Key_Delete))
     {
+      df_gfx_request_frame();
       df_unbind_spec(df_gfx_state->bind_change_cmd_spec, df_gfx_state->bind_change_binding);
       df_gfx_state->bind_change_active = 0;
       DF_CmdParams p = df_cmd_params_from_gfx();
@@ -117,6 +119,7 @@ update_and_render(OS_Handle repaint_window_handle, void *user_data)
         os_eat_event(&events, event);
         DF_CmdParams p = df_cmd_params_from_gfx();
         df_push_cmd__root(&p, df_cmd_spec_from_core_cmd_kind(df_g_cfg_src_write_cmd_kind_table[DF_CfgSrc_User]));
+        df_gfx_request_frame();
         break;
       }
     }
@@ -151,8 +154,8 @@ update_and_render(OS_Handle repaint_window_handle, void *user_data)
           {
             window->menu_bar_focus_press_started = 0;
           }
+          df_gfx_request_frame();
         }
-        df_gfx_request_frame();
       }
       else if(event->kind == OS_EventKind_Text)
       {
@@ -180,28 +183,33 @@ update_and_render(OS_Handle repaint_window_handle, void *user_data)
       }
       if(event->kind == OS_EventKind_Press && event->key == OS_Key_Alt && event->is_repeat == 0)
       {
+        df_gfx_request_frame();
         ws->menu_bar_focused_on_press = ws->menu_bar_focused;
         ws->menu_bar_key_held = 1;
         ws->menu_bar_focus_press_started = 1;
       }
       if(event->kind == OS_EventKind_Release && event->key == OS_Key_Alt && event->is_repeat == 0)
       {
+        df_gfx_request_frame();
         ws->menu_bar_key_held = 0;
       }
       if(ws->menu_bar_focused && event->kind == OS_EventKind_Press && event->key == OS_Key_Alt && event->is_repeat == 0)
       {
         os_eat_event(&events, event);
+        df_gfx_request_frame();
         ws->menu_bar_focused = 0;
       }
       else if(ws->menu_bar_focus_press_started && !ws->menu_bar_focused && event->kind == OS_EventKind_Release && event->key == OS_Key_Alt && event->is_repeat == 0)
       {
         os_eat_event(&events, event);
+        df_gfx_request_frame();
         ws->menu_bar_focused = !ws->menu_bar_focused_on_press;
         ws->menu_bar_focus_press_started = 0;
       }
       else if(event->kind == OS_EventKind_Press && event->key == OS_Key_Esc && ws->menu_bar_focused && !ui_any_ctx_menu_is_open())
       {
         os_eat_event(&events, event);
+        df_gfx_request_frame();
         ws->menu_bar_focused = 0;
       }
     }

src/raddbg_convert/pdb/raddbg_codeview.h

@@ -1868,7 +1868,7 @@ typedef struct CV_SymDefrangeRegister{
 
 //   (SymKind: DEFRANGE_FRAMEPOINTER_REL)
 typedef struct CV_SymDefrangeFramepointerRel{
-  U32 off;
+  S32 off;
   CV_LvarAddrRange range;
   // CV_LvarAddrGap[] gaps (rest of data)
 } CV_SymDefrangeFramepointerRel;
@@ -1884,7 +1884,7 @@ typedef struct CV_SymDefrangeSubfieldRegister{
 
 //   (SymKind: DEFRANGE_FRAMEPOINTER_REL_FULL_SCOPE)
 typedef struct CV_SymDefrangeFramepointerRelFullScope{
-  U32 off;
+  S32 off;
 } CV_SymDefrangeFramepointerRelFullScope;
 
 //   (SymKind: DEFRANGE_REGISTER_REL)
@@ -1897,7 +1897,7 @@ enum{
 typedef struct CV_SymDefrangeRegisterRel{
   CV_Reg reg;
   CV_DefrangeRegisterRelFlags flags;
-  U32 reg_off;
+  S32 reg_off;
   CV_LvarAddrRange range;
   // CV_LvarAddGap[] gaps (rest of data)
 } CV_SymDefrangeRegisterRel;

src/raddbg_convert/pdb/raddbg_from_pdb.c

@@ -2107,7 +2107,7 @@ pdbconv_symbol_cons(PDBCONV_Ctx *ctx, CV_SymParsed *sym, U32 sym_unique_id){
               // set location case
               CONS_Location *loc =
                 pdbconv_location_from_addr_reg_off(ctx, register_code, byte_size, byte_pos,
-                                                   var_off, extra_indirection_to_value);
+                                                   (S64)(S32)var_off, extra_indirection_to_value);
               
               CONS_LocationSet *locset = cons_location_set_from_local(ctx->root, local_var);
               cons_location_set_add_case(ctx->root, locset, 0, max_U64, loc);
@@ -2275,12 +2275,11 @@ pdbconv_symbol_cons(PDBCONV_Ctx *ctx, CV_SymParsed *sym, U32 sym_unique_id){
               B32 extra_indirection = 0;
               U32 byte_size = ctx->addr_size;
               U32 byte_pos = 0;
-              U64 var_off = defrange_fprel->off;
+              S64 var_off = (S64)defrange_fprel->off;
               CONS_Location *location =
                 pdbconv_location_from_addr_reg_off(ctx, fp_register_code, byte_size, byte_pos,
                                                    var_off, extra_indirection);
               
-              
               // extract range info
               CV_LvarAddrRange *range = &defrange_fprel->range;
               CV_LvarAddrGap *gaps = (CV_LvarAddrGap*)(defrange_fprel + 1);
@@ -2352,7 +2351,7 @@ pdbconv_symbol_cons(PDBCONV_Ctx *ctx, CV_SymParsed *sym, U32 sym_unique_id){
               B32 extra_indirection = 0;
               U32 byte_size = ctx->addr_size;
               U32 byte_pos = 0;
-              U64 var_off = defrange_fprel_full_scope->off;
+              S64 var_off = (S64)defrange_fprel_full_scope->off;
               CONS_Location *location =
                 pdbconv_location_from_addr_reg_off(ctx, fp_register_code, byte_size, byte_pos,
                                                    var_off, extra_indirection);
@@ -2385,7 +2384,7 @@ pdbconv_symbol_cons(PDBCONV_Ctx *ctx, CV_SymParsed *sym, U32 sym_unique_id){
               U32 byte_pos = 0;
               
               B32 extra_indirection_to_value = 0;
-              U64 var_off = defrange_register_rel->reg_off;
+              S64 var_off = defrange_register_rel->reg_off;
               
               // setup location
               CONS_Location *location =
@@ -2670,17 +2669,17 @@ pdbconv_known_global_insert(Arena *arena, PDBCONV_KnownGlobalSet *set, String8 n
 static CONS_Location*
 pdbconv_location_from_addr_reg_off(PDBCONV_Ctx *ctx,
                                    RADDBG_RegisterCode reg_code,
-                                   U32 reg_byte_pos,
                                    U32 reg_byte_size,
-                                   U64 offset,
+                                   U32 reg_byte_pos,
+                                   S64 offset,
                                    B32 extra_indirection){
   CONS_Location *result = 0;
-  if (offset <= max_U16){
+  if (0 <= offset && offset <= (S64)max_U16){
     if (extra_indirection){
-      result = cons_location_addr_addr_reg_plus_u16(ctx->root, reg_code, offset);
+      result = cons_location_addr_addr_reg_plus_u16(ctx->root, reg_code, (U16)offset);
     }
     else{
-      result = cons_location_addr_reg_plus_u16(ctx->root, reg_code, offset);
+      result = cons_location_addr_reg_plus_u16(ctx->root, reg_code, (U16)offset);
     }
   }
   else{
@@ -2689,7 +2688,7 @@ pdbconv_location_from_addr_reg_off(PDBCONV_Ctx *ctx,
     CONS_EvalBytecode bytecode = {0};
     U32 regread_param = RADDBG_EncodeRegReadParam(reg_code, reg_byte_size, reg_byte_pos);
     cons_bytecode_push_op(arena, &bytecode, RADDBG_EvalOp_RegRead, regread_param);
-    cons_bytecode_push_uconst(arena, &bytecode, offset);
+    cons_bytecode_push_sconst(arena, &bytecode, offset);
     cons_bytecode_push_op(arena, &bytecode, RADDBG_EvalOp_Add, 0);
     if (extra_indirection){
       cons_bytecode_push_op(arena, &bytecode, RADDBG_EvalOp_MemRead, ctx->addr_size);

src/raddbg_convert/pdb/raddbg_from_pdb.h

@@ -219,9 +219,9 @@ static void pdbconv_known_global_insert(Arena *arena, PDBCONV_KnownGlobalSet *se
 // location info helpers
 static CONS_Location* pdbconv_location_from_addr_reg_off(PDBCONV_Ctx *ctx,
                                                          RADDBG_RegisterCode reg_code,
-                                                         U32 reg_byte_pos,
                                                          U32 reg_byte_size,
-                                                         U64 offset,
+                                                         U32 reg_byte_pos,
+                                                         S64 offset,
                                                          B32 extra_indirection);
 
 static CV_EncodedFramePtrReg pdbconv_cv_encoded_fp_reg_from_proc(PDBCONV_Ctx *ctx,