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start dwarf -> rdi cleanup; eliminate some assertions-as-validation, remove incorrect assumption that line info addresses are vaddrs (they seem to be voffs)

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This commit is contained in:
Ryan Fleury
2025-11-10 15:06:52 -08:00
parent efb4731ace
commit f396b2eaa3
11 changed files with 1433 additions and 1250 deletions
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src/rdi_from_dwarf/rdi_from_dwarf.c
+577 -431
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src/rdi_from_dwarf/rdi_from_dwarf.h
+15 -8
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@@ -1,7 +1,11 @@
// Copyright (c) Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
#pragma once
#ifndef RDI_FROM_DWARF_H
#define RDI_FROM_DWARF_H
////////////////////////////////
//~ rjf: Conversion Stage Inputs
typedef struct D2R_ConvertParams D2R_ConvertParams;
struct D2R_ConvertParams
@@ -15,6 +19,9 @@ struct D2R_ConvertParams
B32 deterministic;
};
////////////////////////////////
//~ rjf: Conversion Helper Types
typedef struct D2R_TypeTable
{
HashTable *ht;
@@ -76,7 +83,7 @@ typedef enum D2R_ValueType
typedef struct D2R_ValueTypeNode
{
D2R_ValueType type;
struct D2R_ValueTypeNode *next;
} D2R_ValueTypeNode;
@@ -104,9 +111,6 @@ internal RDIM_Type * d2r_type_from_offset(D2R_TypeTable *type_table, U64 i
internal RDIM_Type * d2r_type_from_attrib(D2R_TypeTable *type_table, DW_Input *input, DW_CompUnit *cu, DW_Tag tag, DW_AttribKind kind);
internal Rng1U64List d2r_range_list_from_tag(Arena *arena, DW_Input *input, DW_CompUnit *cu, U64 image_base, DW_Tag tag);
internal RDIM_Type ** d2r_collect_proc_params(Arena *arena, D2R_TypeTable *type_table, DW_Input *input, DW_CompUnit *cu, DW_TagNode *cur_node, U64 *param_count_out);
internal RDI_TypeKind d2r_unsigned_type_kind_from_size(U64 byte_size);
internal RDI_TypeKind d2r_signed_type_kind_from_size(U64 byte_size);
internal RDI_EvalTypeGroup d2r_type_group_from_type_kind(RDI_TypeKind x);
////////////////////////////////
//~ RDIM Bytecode Helpers
@@ -134,15 +138,14 @@ internal void d2r_push_relational_op(Arena *arena, D2R_ValueTypeStack *
internal RDIM_EvalBytecode d2r_bytecode_from_expression(Arena *arena, DW_Input *input, U64 image_base, U64 address_size, Arch arch, DW_ListUnit *addr_lu, String8 expr, DW_CompUnit *cu, D2R_ValueType *result_type_out);
internal RDIM_Location * d2r_transpile_expression(Arena *arena, RDIM_LocationChunkList *locations, DW_Input *input, U64 image_base, U64 address_size, Arch arch, DW_ListUnit *addr_lu, DW_CompUnit *cu, String8 expr);
internal RDIM_Location * d2r_location_from_attrib(Arena *arena, RDIM_LocationChunkList *locations, DW_Input *input, DW_CompUnit *cu, U64 image_base, Arch arch, DW_Tag tag, DW_AttribKind kind);
internal RDIM_LocationCaseList d2r_locset_from_attrib(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_Scope *curr_scope, RDIM_LocationChunkList *locations, DW_Input *input, DW_CompUnit *cu, U64 image_base, Arch arch, DW_Tag tag, DW_AttribKind kind);
internal RDIM_LocationCaseList d2r_var_locset_from_tag(Arena *arena, RDIM_ScopeChunkList *scopes, RDIM_Scope *curr_scope, RDIM_LocationChunkList *locations, DW_Input *input, DW_CompUnit *cu, U64 image_base, Arch arch, DW_Tag tag);
////////////////////////////////
//~ rjf: Compilation Unit / Scope Conversion Helpers
internal D2R_CompUnitContribMap d2r_cu_contrib_map_from_aranges(Arena *arena, DW_Input *input, U64 image_base);
internal RDIM_Rng1U64ChunkList d2r_voff_ranges_from_cu_info_off(D2R_CompUnitContribMap map, U64 info_off);
internal RDIM_Rng1U64ChunkList d2r_voff_ranges_from_cu_info_off(D2R_CompUnitContribMap map, U64 info_off);
internal RDIM_Scope *d2r_push_scope(Arena *arena, RDIM_ScopeChunkList *scopes, U64 scope_chunk_cap, D2R_TagFrame *tag_stack, Rng1U64List ranges);
////////////////////////////////
//~ Tag Iterator
@@ -159,6 +162,8 @@ internal DW_Tag d2r_tag_iterator_parent_tag(D2R_TagIterator *iter);
internal void d2r_flag_converted_tag(DW_TagNode *tag_node);
internal B8 d2r_is_tag_converted(DW_TagNode *tag_node);
internal RDIM_Type *d2r_find_or_convert_type(Arena *arena, D2R_TypeTable *type_table, DW_Input *input, DW_CompUnit *cu, DW_Language cu_lang, U64 arch_addr_size, DW_Tag tag, DW_AttribKind kind);
internal void d2r_convert_types(Arena *arena, D2R_TypeTable *type_table, DW_Input *input, DW_CompUnit *cu, DW_Language cu_lang, U64 arch_addr_size, DW_TagNode *root);
internal void d2r_convert_udts(Arena *arena, D2R_TypeTable *type_table, DW_Input *input, DW_CompUnit *cu, DW_Language cu_lang, U64 arch_addr_size, DW_TagNode *root);
internal void d2r_convert_symbols(Arena *arena, D2R_TypeTable *type_table, RDIM_Scope *global_scope, DW_Input *input, DW_CompUnit *cu, DW_Language cu_lang, U64 arch_addr_size, U64 image_base, Arch arch, DW_TagNode *root);
@@ -167,3 +172,5 @@ internal void d2r_convert_symbols(Arena *arena, D2R_TypeTable *type_table, RDIM_
//~ rjf: Main Conversion Entry Point
internal RDIM_BakeParams d2r_convert(Arena *arena, D2R_ConvertParams *params);
#endif // RDI_FROM_DWARF_H