mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-10-08 08:55:46 +00:00
d2r2 type deduplication: further work on type content hashing; correct .debug_str_offsets handling; sketch out type dependency chain build
This commit is contained in:
Ryan Fleury
+139
-139
@@ -245,9 +245,9 @@ internal U64
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dw_reg_count_from_arch(Arch arch)
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{
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switch (arch) {
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default: { NotImplemented; } // fall-through
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case Arch_Null: return 0;
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case Arch_x64: return DW_RegX64_Last;
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default: { NotImplemented; } // fall-through
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case Arch_Null: return 0;
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case Arch_x64: return DW_RegX64_Last;
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}
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}
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@@ -269,9 +269,9 @@ internal U64
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dw_sp_from_arch(Arch arch)
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{
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switch (arch) {
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default: NotImplemented;
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case Arch_Null: return 0;
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case Arch_x64: return DW_RegX64_Rsp;
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default: NotImplemented;
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case Arch_Null: return 0;
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case Arch_x64: return DW_RegX64_Rsp;
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}
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}
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@@ -280,11 +280,11 @@ internal U64
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dw_size_from_format(DW_Format format)
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{
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U64 result = 0;
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switch (format) {
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case DW_Format_Null: break;
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case DW_Format_32Bit: result = 4; break;
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case DW_Format_64Bit: result = 8; break;
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default: InvalidPath; break;
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switch(format)
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{
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case DW_Format_Null:{}break;
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case DW_Format_32Bit:{result = 4;}break;
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case DW_Format_64Bit:{result = 8;}break;
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}
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return result;
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}
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@@ -389,11 +389,11 @@ dw_operand_count_from_expr_op(DW_ExprOp op)
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switch (op) {
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#define X(_N, _ID, _OPER_COUNT, _POP_COUNT, _PUSH_COUNT, ...) case _ID: return _OPER_COUNT;
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DW_Expr_V3_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -404,11 +404,11 @@ dw_pop_count_from_expr_op(DW_ExprOp op)
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switch (op) {
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#define X(_N, _ID, _OPER_COUNT, _POP_COUNT, _PUSH_COUNT, ...) case _ID: return _POP_COUNT;
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DW_Expr_V3_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -419,11 +419,11 @@ dw_push_count_from_expr_op(DW_ExprOp op)
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switch (op) {
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#define X(_N, _ID, _OPER_COUNT, _POP_COUNT, _PUSH_COUNT, ...) case _ID: return _PUSH_COUNT;
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DW_Expr_V3_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -433,12 +433,12 @@ dw_operand_types_from_expr_opcode(DW_ExprOp op)
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{
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#define X(_N, _ID, _OPER_COUNT, _POP_COUNT, _PUSH_COUNT, _OPER_TYPE0, _OPER_TYPE1) case _ID: { local_persist DW_ExprOperandType t[] = { DW_ExprOperandType_##_OPER_TYPE0, DW_ExprOperandType_##_OPER_TYPE1 }; return t; }
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switch (op) {
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DW_Expr_V3_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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DW_Expr_V3_XList
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DW_Expr_V4_XList
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DW_Expr_V5_XList
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DW_Expr_GNU_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -450,7 +450,7 @@ dw_operand_count_from_cfa_opcode(DW_CFA_Opcode opcode)
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#define X(_N, _ID, ...) case _ID: { local_persist DW_CFA_OperandType t[] = { DW_CFA_OperandType_Null, __VA_ARGS__ }; return ArrayCount(t)-1; }
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DW_CFA_Kind_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -460,21 +460,21 @@ dw_is_cfa_expr_opcode_invalid(DW_ExprOp opcode)
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{
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B32 is_invalid = 0;
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switch (opcode) {
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case DW_ExprOp_Addrx:
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case DW_ExprOp_Call2:
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case DW_ExprOp_Call4:
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case DW_ExprOp_CallRef:
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case DW_ExprOp_ConstType:
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case DW_ExprOp_Constx:
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case DW_ExprOp_Convert:
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case DW_ExprOp_DerefType:
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case DW_ExprOp_RegvalType:
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case DW_ExprOp_Reinterpret:
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case DW_ExprOp_PushObjectAddress:
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case DW_ExprOp_CallFrameCfa: {
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is_invalid = 1;
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} break;
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default: break;
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case DW_ExprOp_Addrx:
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case DW_ExprOp_Call2:
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case DW_ExprOp_Call4:
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case DW_ExprOp_CallRef:
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case DW_ExprOp_ConstType:
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case DW_ExprOp_Constx:
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case DW_ExprOp_Convert:
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case DW_ExprOp_DerefType:
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case DW_ExprOp_RegvalType:
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case DW_ExprOp_Reinterpret:
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case DW_ExprOp_PushObjectAddress:
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case DW_ExprOp_CallFrameCfa: {
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is_invalid = 1;
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} break;
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default: break;
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}
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return is_invalid;
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}
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@@ -484,14 +484,14 @@ dw_is_new_row_cfa_opcode(DW_CFA_Opcode opcode)
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{
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B32 is_new_row_op = 0;
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switch (opcode) {
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case DW_CFA_SetLoc:
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case DW_CFA_AdvanceLoc:
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case DW_CFA_AdvanceLoc1:
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case DW_CFA_AdvanceLoc2:
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case DW_CFA_AdvanceLoc4: {
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is_new_row_op = 1;
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} break;
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default: break;
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case DW_CFA_SetLoc:
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case DW_CFA_AdvanceLoc:
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case DW_CFA_AdvanceLoc1:
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case DW_CFA_AdvanceLoc2:
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case DW_CFA_AdvanceLoc4: {
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is_new_row_op = 1;
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} break;
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default: break;
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}
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return is_new_row_op;
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}
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@@ -503,7 +503,7 @@ dw_operand_types_from_cfa_op(DW_CFA_Opcode opcode)
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#define X(_N, _ID, ...) case _ID: { local_persist DW_CFA_OperandType t[] = { DW_CFA_OperandType_Null, __VA_ARGS__ }; return &t[0] + 1; }
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DW_CFA_Kind_XList
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#undef X
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default: { NotImplemented; } break;
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default: { NotImplemented; } break;
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}
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return 0;
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}
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@@ -512,9 +512,9 @@ internal String8
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dw_string_from_format(DW_Format format)
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{
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switch (format) {
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case DW_Format_Null: return str8_lit("NULL");
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case DW_Format_32Bit: return str8_lit("DWARF32");
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case DW_Format_64Bit: return str8_lit("DWARF64");
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case DW_Format_Null: return str8_lit("NULL");
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case DW_Format_32Bit: return str8_lit("DWARF32");
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case DW_Format_64Bit: return str8_lit("DWARF64");
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}
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return str8_zero();
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}
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@@ -810,7 +810,7 @@ dw_string_from_cfa_opcode(DW_CFA_Opcode opcode)
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#define X(_NAME, _ID, ...) case _ID: return str8_lit(Stringify(_NAME));
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DW_CFA_Kind_XList
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#undef X
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default: InvalidPath; break;
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default: InvalidPath; break;
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}
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return str8_zero();
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}
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@@ -965,78 +965,78 @@ internal B32
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dw_form_match(DW_Form a, DW_Form b)
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{
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B32 is_match = 0;
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if (a.kind == b.kind) {
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switch (a.kind) {
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case DW_Form_Null: {} break;
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case DW_Form_Addr: { is_match = str8_match(a.addr, b.addr, 0); } break;
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case DW_Form_String: { is_match = str8_match(a.string, b.string, 0); } break;
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case DW_Form_ExprLoc: { is_match = str8_match(a.exprloc, b.exprloc, 0); } break;
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case DW_Form_Block:
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case DW_Form_Block1:
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case DW_Form_Block2:
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case DW_Form_Block4: {
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is_match = str8_match(a.block, b.block, 0);
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} break;
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case DW_Form_Data1:
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case DW_Form_Data2:
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case DW_Form_Data4:
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case DW_Form_Data8:
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case DW_Form_Data16: {
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is_match = str8_match(a.data, b.data, 0);
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} break;
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case DW_Form_Flag: { is_match = a.flag == b.flag; } break;
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case DW_Form_SData: { is_match = a.sdata == b.sdata; } break;
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case DW_Form_UData: { is_match = a.udata == b.udata; } break;
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case DW_Form_RefAddr:
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case DW_Form_Ref1:
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case DW_Form_Ref2:
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case DW_Form_Ref4:
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case DW_Form_Ref8:
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case DW_Form_RefUData:
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case DW_Form_GNU_RefAlt: {
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is_match = a.ref == b.ref;
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} break;
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case DW_Form_Indirect: { NotImplemented; } break;
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case DW_Form_SecOffset:
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case DW_Form_LineStrp:
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case DW_Form_GNU_StrpAlt: {
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is_match = a.sec_offset == b.sec_offset;
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} break;
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case DW_Form_ImplicitConst: { is_match = a.implicit_const, b.implicit_const; } break;
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case DW_Form_Strx:
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case DW_Form_Strx1:
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case DW_Form_Strx2:
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case DW_Form_Strx3:
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case DW_Form_Strx4:
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case DW_Form_Addrx:
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case DW_Form_Addrx1:
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case DW_Form_Addrx2:
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case DW_Form_Addrx3:
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case DW_Form_Addrx4:
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case DW_Form_RngListx:
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case DW_Form_LocListx: {
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is_match = a.xval == b.xval;
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} break;
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case DW_Form_StrpSup: { is_match = a.strp_sup == b.strp_sup; } break;
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case DW_Form_RefSup4: { NotImplemented; } break;
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case DW_Form_RefSup8: { NotImplemented; } break;
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default: { InvalidPath; } break;
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case DW_Form_Null: {} break;
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case DW_Form_Addr: { is_match = str8_match(a.addr, b.addr, 0); } break;
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case DW_Form_String: { is_match = str8_match(a.string, b.string, 0); } break;
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case DW_Form_ExprLoc: { is_match = str8_match(a.exprloc, b.exprloc, 0); } break;
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case DW_Form_Block:
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case DW_Form_Block1:
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case DW_Form_Block2:
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case DW_Form_Block4: {
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is_match = str8_match(a.block, b.block, 0);
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} break;
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case DW_Form_Data1:
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case DW_Form_Data2:
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case DW_Form_Data4:
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case DW_Form_Data8:
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case DW_Form_Data16: {
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is_match = str8_match(a.data, b.data, 0);
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} break;
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case DW_Form_Flag: { is_match = a.flag == b.flag; } break;
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case DW_Form_SData: { is_match = a.sdata == b.sdata; } break;
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case DW_Form_UData: { is_match = a.udata == b.udata; } break;
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case DW_Form_RefAddr:
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case DW_Form_Ref1:
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case DW_Form_Ref2:
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case DW_Form_Ref4:
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case DW_Form_Ref8:
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case DW_Form_RefUData:
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case DW_Form_GNU_RefAlt: {
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is_match = a.ref == b.ref;
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} break;
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case DW_Form_Indirect: { NotImplemented; } break;
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case DW_Form_SecOffset:
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case DW_Form_LineStrp:
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case DW_Form_GNU_StrpAlt: {
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is_match = a.sec_offset == b.sec_offset;
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} break;
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case DW_Form_ImplicitConst: { is_match = a.implicit_const, b.implicit_const; } break;
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case DW_Form_Strx:
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case DW_Form_Strx1:
|
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case DW_Form_Strx2:
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case DW_Form_Strx3:
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case DW_Form_Strx4:
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case DW_Form_Addrx:
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case DW_Form_Addrx1:
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case DW_Form_Addrx2:
|
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case DW_Form_Addrx3:
|
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case DW_Form_Addrx4:
|
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case DW_Form_RngListx:
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case DW_Form_LocListx: {
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is_match = a.xval == b.xval;
|
||||
} break;
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||||
|
||||
case DW_Form_StrpSup: { is_match = a.strp_sup == b.strp_sup; } break;
|
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|
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case DW_Form_RefSup4: { NotImplemented; } break;
|
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case DW_Form_RefSup8: { NotImplemented; } break;
|
||||
|
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default: { InvalidPath; } break;
|
||||
}
|
||||
}
|
||||
|
||||
|
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return is_match;
|
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}
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@@ -1044,20 +1044,20 @@ internal U64
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dw_length_from_std_opcode(DW_StdOpcode opcode)
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{
|
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switch (opcode) {
|
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case DW_StdOpcode_ExtendedOpcode: return 0;
|
||||
case DW_StdOpcode_Copy: return 0;
|
||||
case DW_StdOpcode_AdvancePc: return 1;
|
||||
case DW_StdOpcode_AdvanceLine: return 1;
|
||||
case DW_StdOpcode_SetFile: return 1;
|
||||
case DW_StdOpcode_SetColumn: return 1;
|
||||
case DW_StdOpcode_NegateStmt: return 0;
|
||||
case DW_StdOpcode_SetBasicBlock: return 0;
|
||||
case DW_StdOpcode_ConstAddPc: return 0;
|
||||
case DW_StdOpcode_FixedAdvancePc: return 1;
|
||||
case DW_StdOpcode_SetPrologueEnd: return 0;
|
||||
case DW_StdOpcode_SetEpilogueBegin: return 0;
|
||||
case DW_StdOpcode_SetIsa: return 1;
|
||||
default: InvalidPath; break;
|
||||
case DW_StdOpcode_ExtendedOpcode: return 0;
|
||||
case DW_StdOpcode_Copy: return 0;
|
||||
case DW_StdOpcode_AdvancePc: return 1;
|
||||
case DW_StdOpcode_AdvanceLine: return 1;
|
||||
case DW_StdOpcode_SetFile: return 1;
|
||||
case DW_StdOpcode_SetColumn: return 1;
|
||||
case DW_StdOpcode_NegateStmt: return 0;
|
||||
case DW_StdOpcode_SetBasicBlock: return 0;
|
||||
case DW_StdOpcode_ConstAddPc: return 0;
|
||||
case DW_StdOpcode_FixedAdvancePc: return 1;
|
||||
case DW_StdOpcode_SetPrologueEnd: return 0;
|
||||
case DW_StdOpcode_SetEpilogueBegin: return 0;
|
||||
case DW_StdOpcode_SetIsa: return 1;
|
||||
default: InvalidPath; break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -2072,16 +2072,16 @@ dw_cu_from_info_off(Arena *arena, DW_Raw *input, DW_ListUnitInput lu_input, U64
|
||||
U64 loclists_sec_off = dw_interp_sec_offset(loclists_base_attrib->form );
|
||||
|
||||
// map section offset to unit index
|
||||
U64 addr_lu_idx = rng_1u64_array_bsearch(lu_input.addr_ranges, addr_sec_off );
|
||||
U64 str_offsets_lu_idx = rng_1u64_array_bsearch(lu_input.str_offset_ranges, str_offsets_sec_off);
|
||||
U64 rnglists_lu_idx = rng_1u64_array_bsearch(lu_input.rnglist_ranges, rnglists_sec_off );
|
||||
U64 loclists_lu_idx = rng_1u64_array_bsearch(lu_input.loclist_ranges, loclists_sec_off );
|
||||
U64 addr_lu_num = rng1u64_array_num_from_value__binary_search(&lu_input.addr_ranges, addr_sec_off );
|
||||
U64 str_offsets_lu_num = rng1u64_array_num_from_value__binary_search(&lu_input.str_offset_ranges, str_offsets_sec_off);
|
||||
U64 rnglists_lu_num = rng1u64_array_num_from_value__binary_search(&lu_input.rnglist_ranges, rnglists_sec_off );
|
||||
U64 loclists_lu_num = rng1u64_array_num_from_value__binary_search(&lu_input.loclist_ranges, loclists_sec_off );
|
||||
|
||||
// map index to unit
|
||||
DW_ListUnit *addr_lu = addr_lu_idx < lu_input.addr_count ? &lu_input.addrs[addr_lu_idx] : 0;
|
||||
DW_ListUnit *str_offsets_lu = str_offsets_lu_idx < lu_input.str_offset_count ? &lu_input.str_offsets[str_offsets_lu_idx] : 0;
|
||||
DW_ListUnit *rnglists_lu = rnglists_lu_idx < lu_input.rnglist_count ? &lu_input.rnglists[rnglists_lu_idx] : 0;
|
||||
DW_ListUnit *loclists_lu = loclists_lu_idx < lu_input.loclist_count ? &lu_input.loclists[loclists_lu_idx] : 0;
|
||||
DW_ListUnit *addr_lu = 0 < (addr_lu_num && addr_lu_num <= lu_input.addr_count) ? &lu_input.addrs[addr_lu_num-1] : 0;
|
||||
DW_ListUnit *str_offsets_lu = 0 < (str_offsets_lu_num && str_offsets_lu_num <= lu_input.str_offset_count) ? &lu_input.str_offsets[str_offsets_lu_num-1] : 0;
|
||||
DW_ListUnit *rnglists_lu = 0 < (rnglists_lu_num && rnglists_lu_num <= lu_input.rnglist_count) ? &lu_input.rnglists[rnglists_lu_num-1] : 0;
|
||||
DW_ListUnit *loclists_lu = 0 < (loclists_lu_num && loclists_lu_num <= lu_input.loclist_count) ? &lu_input.loclists[loclists_lu_num-1] : 0;
|
||||
|
||||
// find compile unit base address
|
||||
DW_Attrib *low_pc_attrib = dw_attrib_from_tag(0, 0, cu_tag, DW_AttribKind_LowPc);
|
||||
|
||||
@@ -399,8 +399,19 @@ dw2_read_form_val(DW2_ParseCtx *ctx, String8 data, U64 off, DW_FormKind form_kin
|
||||
case DW_Form_Strx3:
|
||||
case DW_Form_Strx4:
|
||||
case DW_Form_Strx:
|
||||
if(ctx->str_offsets_table != 0)
|
||||
{
|
||||
// TODO(rjf)
|
||||
U64 entry_idx = val.u128.u64[0];
|
||||
if(entry_idx < ctx->str_offsets_table->entries_count)
|
||||
{
|
||||
U64 entry_size = ctx->str_offsets_table->entry_size;
|
||||
U64 entry_off = entry_idx * entry_size;
|
||||
U64 string_data_off = 0;
|
||||
MemoryCopy(&string_data_off, (U8 *)ctx->str_offsets_table->entries + entry_off, entry_size);
|
||||
String8 string_section_data = ctx->raw->sec[DW_Section_Str].data;
|
||||
val.string = str8_cstring_capped(string_section_data.str + string_data_off,
|
||||
string_section_data.str + string_section_data.size);
|
||||
}
|
||||
}break;
|
||||
case DW_Form_LineStrp:
|
||||
{
|
||||
@@ -545,6 +556,25 @@ dw2_attrib_from_kind(DW2_Tag *tag, DW_AttribKind kind)
|
||||
return result;
|
||||
}
|
||||
|
||||
internal U64
|
||||
dw2_reference_info_off_from_form_val(DW2_ParseCtx *ctx, DW2_FormVal *v)
|
||||
{
|
||||
U64 result = 0;
|
||||
switch(v->kind)
|
||||
{
|
||||
default:{}break;
|
||||
case DW_Form_Ref1:
|
||||
case DW_Form_Ref2:
|
||||
case DW_Form_Ref4:
|
||||
case DW_Form_Ref8:
|
||||
{
|
||||
result = v->u128.u64[0];
|
||||
}break;
|
||||
// TODO(rjf): DW_Form_RefAddr, DW_Form_RefUData, DW_Form_RefSig8, DW_Form_RefSup8, etc.
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: Line Table Parsing
|
||||
|
||||
@@ -831,3 +861,42 @@ dw2_read_line_table_header(Arena *arena, DW2_ParseCtx *ctx, String8 data, U64 of
|
||||
scratch_end(scratch);
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: String Offset Table Parsing (.debug_str_offsets)
|
||||
|
||||
internal U64
|
||||
dw2_read_str_offsets_table(String8 data, U64 off, DW2_StrOffsetsTable *out)
|
||||
{
|
||||
U64 start_off = off;
|
||||
{
|
||||
// rjf: read data length / format
|
||||
U64 unit_data_length = 0;
|
||||
DW_Format format = DW_Format_Null;
|
||||
off += dw2_read_initial_length(data, off, &unit_data_length, &format);
|
||||
U64 unit_data_off_opl = off + unit_data_length;
|
||||
|
||||
// rjf: read version
|
||||
DW_Version version = DW_Version_Null;
|
||||
off += str8_deserial_read_struct(data, off, &version);
|
||||
|
||||
// rjf: version 5: read rest (this section only exists in 5+)
|
||||
if(version == DW_Version_5)
|
||||
{
|
||||
// rjf: skip padding
|
||||
off += sizeof(U16);
|
||||
|
||||
// rjf: fill table info
|
||||
out->format = format;
|
||||
out->version = version;
|
||||
out->entry_size = dw_size_from_format(format);
|
||||
out->entries_count = (unit_data_off_opl - off) / out->entry_size;
|
||||
out->entries = data.str + off;
|
||||
|
||||
// rjf: skip table
|
||||
off = unit_data_off_opl;
|
||||
}
|
||||
}
|
||||
U64 bytes_read = (off - start_off);
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
@@ -36,6 +36,19 @@ struct DW2_AbbrevMap
|
||||
U64 slots_count;
|
||||
};
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: String Offset Table (.debug_str_offsets)
|
||||
|
||||
typedef struct DW2_StrOffsetsTable DW2_StrOffsetsTable;
|
||||
struct DW2_StrOffsetsTable
|
||||
{
|
||||
DW_Format format;
|
||||
DW_Version version;
|
||||
U64 entry_size;
|
||||
U64 entries_count;
|
||||
void *entries;
|
||||
};
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: Parsing Context Bundle
|
||||
|
||||
@@ -49,6 +62,7 @@ struct DW2_ParseCtx
|
||||
DW_Format format;
|
||||
U64 addr_size;
|
||||
DW2_AbbrevMap *abbrev_map;
|
||||
DW2_StrOffsetsTable *str_offsets_table;
|
||||
String8 unit_dir;
|
||||
String8 unit_file;
|
||||
};
|
||||
@@ -210,10 +224,16 @@ internal U64 dw2_read_form_val(DW2_ParseCtx *ctx, String8 data, U64 off, DW_Form
|
||||
|
||||
internal U64 dw2_read_tag(Arena *arena, DW2_ParseCtx *ctx, String8 data, U64 off, DW2_Tag *tag_out);
|
||||
internal DW2_Attrib *dw2_attrib_from_kind(DW2_Tag *tag, DW_AttribKind kind);
|
||||
internal U64 dw2_reference_info_off_from_form_val(DW2_ParseCtx *ctx, DW2_FormVal *v);
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: Line Table Parsing
|
||||
|
||||
internal U64 dw2_read_line_table_header(Arena *arena, DW2_ParseCtx *ctx, String8 data, U64 off, DW2_LineTableHeader *out);
|
||||
|
||||
////////////////////////////////
|
||||
//~ rjf: String Offset Table Parsing (.debug_str_offsets)
|
||||
|
||||
internal U64 dw2_read_str_offsets_table(String8 data, U64 off, DW2_StrOffsetsTable *out);
|
||||
|
||||
#endif // DWARF_PARSE_2_H
|
||||
|
||||
Reference in New Issue
Block a user