mirror of
https://github.com/Ed94/raddebugger.git
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linker checkpoint
This commit is contained in:
Nikita Smith
committed by
Ryan Fleury
Ryan Fleury
parent
a60216fa9f
commit
7c071e7238
+58
-174
@@ -1,67 +1,11 @@
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// Copyright (c) 2024 Epic Games Tools
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// Copyright (c) 2025 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#pragma once
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#define LNK_NULL_SYMBOL_NAME "NULL"
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#define LNK_TEXT_SYMBOL_NAME "TEXT"
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#define LNK_DATA_SYMBOL_NAME "DATA"
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#define LNK_RDATA_SYMBOL_NAME "RDATA"
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#define LNK_BSS_SYMBOL_NAME "BSS"
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#define LNK_XDATA_SYMBOL_NAME "XDATA"
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#define LNK_PDATA_SYMBOL_NAME "PDATA"
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#define LNK_BASE_RELOC_SYMBOL_NAME "BASE_RELOC"
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#define LNK_EDATA_SYMBOL_NAME "EDATA"
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#define LNK_DEBUG_DIR_SYMBOL_NAME "DEDIR"
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#define LNK_DEBUG_DATA_SYMBOL_NAME "DEDAT"
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#define LNK_CV_DIR_SYMBOL_NAME "CV_DIR"
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#define LNK_CV_HEADER_PDB70_SYMBOL_NAME "CV_HEADER_PDB70"
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#define LNK_CV_HEADER_RDI_SYMBOL_NAME "CV_HEADER_RDI"
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#define LNK_CV_HEADER_GUID_SYMBOL_NAME "CV_HEADER_GUID"
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#define LNK_RSRC_SYMBOL_NAME "RSRC"
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#define LNK_DEBUG_SYMBOL_NAME "DEBUG"
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#define LNK_GFIDS_SYMBOL_NAME "GFIDS"
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#define LNK_GIATS_SYMBOL_NAME "GIATS"
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#define LNK_GLJMP_SYMBOL_NAME "GLJMP"
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#define LNK_GEHCONT_SYMBOL_NAME "GEHCONT"
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#define LNK_IMPORT_NAME_TABLE_SYMBOL_NAME "IMPORT_STR"
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#define LNK_IMPORT_DLL_TABLE_SYMBOL_NAME "IDATA"
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#define LNK_IMPORT_ILT_SYMBOL_NAME "ILT"
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#define LNK_IMPORT_IAT_SYMBOL_NAME "IAT"
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#define LNK_IMPORT_JMP_SYMBOL_NAME "IMPORT_THUNKS"
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#define LNK_DELAYED_IMPORT_DLL_TABLE_SYMBOL_NAME "DELAYED_IMPORT_DLL_TABLE"
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#define LNK_DELAYED_IMPORT_HANDLE_TABLE_SYMBOL_NAME "DELAYED_IMPORT_HANDLE_TABLE"
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#define LNK_DELAYED_IMPORT_INT_SYMBOL_NAME "DELAYED_IMPORT_INT"
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#define LNK_DELAYED_IMPORT_IAT_SYMBOL_NAME "DELAYED_IMPORT_IAT"
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#define LNK_DELAYED_IMPORT_ILT_SYMBOL_NAME "DELAYED_IMPORT_ILT"
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#define LNK_DELAYED_IMPORT_BIAT_SYMBOL_NAME "DELAYED_IMPORT_BIAT"
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#define LNK_DELAYED_IMPORT_UIAT_SYMBOL_NAME "DELAYED_IMPORT_UIAT"
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#define LNK_DELAYED_IMPORT_CODE_SYMBOL_NAME "DELAYED_IMPORT_CODE"
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// --- CRT Symbols -------------------------------------------------------------
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#define LNK_WIN32_HEADER_SYMBOL_NAME "WIN32_HEADER"
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#define LNK_DOS_SYMBOL_NAME "DOS"
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#define LNK_NT_HEADERS_SYMBOL_NAME "NT_HEADERS"
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#define LNK_PE_MAGIC_CONTAINER_SYMBOL_NAME "PE_MAGIC_CONTAINER"
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#define LNK_COFF_FILE_HEADER_CONTAINER_SYMBOL_NAME "COFF_FILE_HEADER_CONTAINER"
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#define LNK_PE_OPT_HEADER_CONTAINER_SYMBOL_NAME "PE_OPTIONAL_HEADER_CONTAINER"
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#define LNK_COFF_SECTION_HEADER_CONTAINER_SYMBOL_NAME "COFF_SECTION_HEADER_CONTAINER"
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#define LNK_DOS_HEADER_SYMBOL_NAME "DOS_HEADER"
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#define LNK_DOS_PROGRAM_SYMBOL_NAME "DOS_PROGRAM"
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#define LNK_PE_MAGIC_SYMBOL_NAME "PE_MAGIC"
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#define LNK_COFF_FILE_HEADER_SYMBOL_NAME "COFF_FILE_HEADER"
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#define LNK_PE_DIRECTORY_ARRAY_SYMBOL_NAME "PE_DIRECTORY_ARRAY"
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#define LNK_PE_DIRECTORY_COUNT_SYMBOL_NAME "PE_DIRECTORY_COUNT"
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#define LNK_PE_OPT_HEADER_SYMBOL_NAME "PE_OPTIONAL_HEADER"
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#define LNK_COFF_SECT_HEADER_ARRAY_SYMBOL_NAME "COFF_SECT_HEADER_ARRAY"
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#define LNK_COFF_SECT_HEADER_COUNT_SYMBOL_NAME "COFF_SECT_HEADER_COUNT"
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#define LNK_PE_CHECKSUM_SYMBOL_NAME "PE_CHECKSUM"
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// _tls_used is a special section in CRT which has format of
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// PE_TLSHeader32 or PE_TLSHeader64, according to machine type.
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#define LNK_TLS_SYMBOL_NAME "_tls_used"
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// _load_config_used points to SYMS_PeLoadConfig32/SYMS_PeLoadConfig64
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// _load_config_used points to PE_LoadConfig32/PE_LoadConfig64
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// and symbols below are used to patch patricual fields of the struct.
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#define LNK_LOAD_CONFIG_SYMBOL_NAME "_load_config_used"
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#define LNK_ENCLAVE_CONFIG_SYMBOL_NAME "__enclave_config"
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@@ -74,6 +18,7 @@
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#define LNK_GUARD_LONGJMP_COUNT_SYMBOL_NAME "__guard_longjmp_count"
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#define LNK_GUARD_EHCONT_TABLE_SYMBOL_NAME "__guard_eh_cont_table"
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#define LNK_GUARD_EHCONT_COUNT_SYMBOL_NAME "__guard_eh_cont_count"
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// x86 load config fields
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#define LNK_SAFE_SE_HANDLER_TABLE_SYMBOL_NAME "__safe_se_handler_table"
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#define LNK_SAFE_SE_HANDLER_COUNT_SYMBOL_NAME "__safe_se_handler_count"
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@@ -82,6 +27,12 @@
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#define LNK_DELAY_LOAD_HELPER2_SYMBOL_NAME "__delayLoadHelper2"
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#define LNK_DELAY_LOAD_HELPER2_X86_SYMBOL_NAME "___delayLoadHelper2@8"
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// _tls_used is a special section in CRT which has format of
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// PE_TLSHeader32 or PE_TLSHeader64, according to machine type.
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#define LNK_TLS_SYMBOL_NAME "_tls_used"
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// --- Default Section Flags --------------------------------------------------
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#define LNK_TEXT_SECTION_FLAGS (COFF_SectionFlag_CntCode|COFF_SectionFlag_MemExecute|COFF_SectionFlag_MemRead)
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#define LNK_DATA_SECTION_FLAGS (COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemWrite)
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#define LNK_RDATA_SECTION_FLAGS (COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead)
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@@ -101,38 +52,7 @@
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#define LNK_RELOC_SECTION_FLAGS (LNK_RDATA_SECTION_FLAGS | COFF_SectionFlag_MemDiscardable)
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#define LNK_DEBUG_SECTION_FLAGS (LNK_RDATA_SECTION_FLAGS | COFF_SectionFlag_MemDiscardable)
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////////////////////////////////
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#define LNK_COFF_RELOC_FILE_OFFSET32 0x1000
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#define LNK_COFF_RELOC_SECT_SIZE32 0x1001
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////////////////////////////////
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typedef enum
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{
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LNK_InputSource_CmdLine, // specified on command line
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LNK_InputSource_Default, // specified through defaultlib switch
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LNK_InputSource_Obj, // refrenced from objects
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LNK_InputSource_Count
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} LNK_InputSourceType;
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typedef String8Node LNK_InputLib;
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typedef String8List LNK_InputLibList;
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typedef struct LNK_InputImport
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{
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COFF_ParsedArchiveImportHeader import_header;
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struct LNK_InputImport *next;
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} LNK_InputImport;
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typedef struct LNK_InputImportList
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{
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U64 count;
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LNK_InputImport *first;
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LNK_InputImport *last;
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} LNK_InputImportList;
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////////////////////////////////
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// --- Base Reloc --------------------------------------------------------------
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typedef struct LNK_BaseRelocPage
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{
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@@ -160,11 +80,11 @@ typedef struct LNK_BaseRelocPageArray
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LNK_BaseRelocPage *v;
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} LNK_BaseRelocPageArray;
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// --- Workers Contexts --------------------------------------------------------
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typedef struct
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{
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U64 page_size;
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LNK_Section **sect_id_map;
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LNK_Reloc **reloc_arr;
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Rng1U64 *range_arr;
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LNK_BaseRelocPageList *list_arr;
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HashTable **page_ht_arr;
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@@ -175,7 +95,6 @@ typedef struct
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{
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Rng1U64 *ranges;
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U64 page_size;
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LNK_Section **sect_id_map;
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LNK_BaseRelocPageList *list_arr;
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LNK_Obj **obj_arr;
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HashTable **page_ht_arr;
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@@ -200,32 +119,10 @@ typedef struct
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typedef struct
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{
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LNK_SymbolTable *symtab;
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union {
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LNK_ObjNodeArray objs;
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LNK_LibNodeArray libs;
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} u;
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} LNK_SymbolPusher;
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typedef struct
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{
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String8 image_data;
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LNK_SymbolTable *symtab;
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LNK_SectionTable *sectab;
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LNK_Section **sect_id_map;
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U64 base_addr;
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LNK_Section **sect_arr;
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Rng1U64 *range_arr;
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} LNK_SectionRelocPatcher;
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typedef struct
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{
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String8 image_data;
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LNK_SymbolTable *symtab;
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LNK_SectionTable *sectab;
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LNK_Section **sect_id_map;
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U64 base_addr;
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LNK_Obj **obj_arr;
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String8 image_data;
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LNK_Obj **objs;
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U64 base_addr;
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COFF_SectionHeader **image_section_table;
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} LNK_ObjRelocPatcher;
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typedef struct
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@@ -242,17 +139,42 @@ typedef struct
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U128 *hashes;
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} LNK_Blake3Hasher;
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////////////////////////////////
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typedef struct
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{
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LNK_SymbolTable *symtab;
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union {
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LNK_ObjNodeArray objs;
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LNK_LibNodeArray libs;
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} u;
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} LNK_SymbolPusher;
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internal LNK_InputImport * lnk_input_import_list_push(Arena *arena, LNK_InputImportList *list);
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internal void lnk_input_import_list_concat_in_place(LNK_InputImportList *list, LNK_InputImportList *to_concat);
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internal LNK_InputImport ** lnk_input_import_arr_from_list(Arena *arena, LNK_InputImportList list);
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internal LNK_InputImportList lnk_list_from_input_import_arr(LNK_InputImport **arr, U64 count);
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// --- Entry Point -------------------------------------------------------------
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////////////////////////////////
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// Helpers
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internal void lnk_run(int argc, char **argv);
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internal String8 lnk_make_full_path(Arena *arena, String8 work_dir, PathStyle system_path_style, String8 path);
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// --- Path --------------------------------------------------------------------
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internal String8 lnk_make_full_path(Arena *arena, PathStyle system_path_style, String8 work_dir, String8 path);
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// --- Hasher ------------------------------------------------------------------
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internal U128 lnk_blake3_hash_parallel(TP_Context *tp, U64 chunk_count, String8 data);
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// --- Manifest ----------------------------------------------------------------
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internal String8 lnk_make_linker_manifest(Arena *arena, B32 manifest_uac, String8 manifest_level, String8 manifest_ui_access, String8List manifest_dependency_list);
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internal void lnk_merge_manifest_files(String8 mt_path, String8 out_name, String8List manifest_path_list);
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internal String8 lnk_manifest_from_inputs(Arena *arena, String8 mt_path, String8 manifest_name, B32 manifest_uac, String8 manifest_level, String8 manifest_ui_access, String8List input_manifest_path_list, String8List deps_list);
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// --- Internal Objs -----------------------------------------------------------
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internal String8 lnk_make_res_obj(Arena *arena, String8List res_file_list, String8List res_path_list, COFF_MachineType machine, U32 time_stamp, String8 work_dir, PathStyle system_path_style, String8 obj_name);
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internal String8 lnk_make_linker_coff_obj(Arena *arena, COFF_TimeStamp time_stamp, COFF_MachineType machine, String8 cwd_path, String8 exe_path, String8 pdb_path, String8 cmd_line, String8 obj_name);
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internal String8 lnk_make_debug_directory_obj(Arena *arena, LNK_Config *config);
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internal String8 lnk_make_debug_directory_pdb_obj(Arena *arena, LNK_Config *config);
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internal String8 lnk_make_debug_directory_rdi_obj(Arena *arena, LNK_Config *config);
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// --- Symbol Resolver ---------------------------------------------------------
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internal String8 lnk_get_lib_name(String8 path);
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internal B32 lnk_is_lib_disallowed(HashTable *disallow_lib_ht, String8 path);
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@@ -260,56 +182,18 @@ internal B32 lnk_is_lib_loaded(HashTable *loaded_lib_ht, String8 lib_path);
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internal void lnk_push_disallow_lib(Arena *arena, HashTable *disallow_lib_ht, String8 path);
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internal void lnk_push_loaded_lib(Arena *arena, HashTable *loaded_lib_ht, String8 path);
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////////////////////////////////
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// Manifest
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internal LNK_InputObjList lnk_push_linker_symbols(Arena *arena, LNK_Config *config);
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internal void lnk_queue_lib_member_input(Arena *arena, PathStyle path_style, LNK_SymbolLib *symbol, LNK_InputImportList *input_import_list, LNK_InputObjList *input_obj_list);
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internal String8 lnk_make_linker_manifest(Arena *arena, B32 manifest_uac, String8 manifest_level, String8 manifest_ui_access, String8List manifest_dependency_list);
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internal void lnk_merge_manifest_files(String8 mt_path, String8 out_name, String8List manifest_path_list);
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// --- Win32 Image -------------------------------------------------------------
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////////////////////////////////
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// Resources
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internal String8List lnk_build_guard_tables(TP_Context *tp, LNK_SectionTable *sectab, LNK_SymbolTable *symtab, LNK_ExportTable *exptab, U64 objs_count, LNK_Obj **objs, COFF_MachineType machine, String8 entry_point_name, LNK_GuardFlags guard_flags, B32 emit_suppress_flag);
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internal String8List lnk_build_base_relocs(TP_Context *tp, TP_Arena *tp_temp, LNK_Config *config, U64 objs_count, LNK_Obj **objs);
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internal String8List lnk_build_win32_image_header(Arena *arena, LNK_SymbolTable *symtab, LNK_Config *config, LNK_SectionArray sect_arr, U64 expected_image_header_size);
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internal String8 lnk_build_win32_image(TP_Arena *arena, TP_Context *tp, LNK_Config *config, LNK_SymbolTable *symtab, LNK_ExportTable *exptab, LNK_ObjList obj_list);
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internal void lnk_serialize_pe_resource_tree(COFF_ObjWriter *obj_writer, PE_ResourceDir *root_dir);
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internal void lnk_add_resource_debug_s(COFF_ObjWriter *obj_writer, String8 obj_path, String8 cwd_path, String8 exe_path, CV_Arch arch, String8List res_file_list, MD5Hash *res_hash_array);
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internal String8 lnk_make_res_obj(Arena *arena, PE_ResourceDir *root_dir, COFF_TimeStamp time_stamp, COFF_MachineType machine, String8 path, String8 cwd_path, String8 exe_path, String8List res_file_list, MD5Hash *res_hash_array);
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internal String8 lnk_obj_from_res_file_list(Arena *arena, String8List res_file_list, String8List res_path_list, COFF_MachineType machine, U32 time_stamp, String8 work_dir, PathStyle system_path_style, String8 obj_name);
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// --- Logger ------------------------------------------------------------------
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////////////////////////////////
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// Debug
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internal String8 lnk_make_linker_coff_obj(Arena *arena, COFF_TimeStamp time_stamp, COFF_MachineType machine, String8 cwd_path, String8 exe_path, String8 pdb_path, String8 cmd_line, String8 obj_name);
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////////////////////////////////
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// Win32 Image Helpers
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internal void lnk_build_debug_pdb(LNK_SectionTable *sectab, LNK_SymbolTable *symtab, LNK_Section *debug_sect, LNK_Chunk *debug_dir_array_chunk, COFF_TimeStamp time_stamp, Guid guid, U32 age, String8 pdb_path);
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internal void lnk_build_debug_rdi(LNK_SectionTable *sectab, LNK_SymbolTable *symtab, LNK_Section *debug_sect, LNK_Chunk *debug_dir_array_chunk, COFF_TimeStamp time_stamp, Guid guid, String8 rdi_path);
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internal void lnk_build_guard_tables(TP_Context *tp, LNK_SectionTable *sectab, LNK_SymbolTable *symtab, LNK_ExportTable *exptab, LNK_ObjList obj_list, COFF_MachineType machine, String8 entry_point_name, LNK_GuardFlags guard_flags, B32 emit_suppress_flag);
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internal void lnk_build_base_relocs(TP_Context *tp, TP_Arena *tp_arena, LNK_SectionTable *sectab, LNK_SymbolTable *symtab, COFF_MachineType machine, U64 page_size, PE_ImageFileCharacteristics file_chars, LNK_ObjList obj_list);
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internal LNK_Chunk * lnk_build_dos_header(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent_chunk);
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internal LNK_Chunk * lnk_build_pe_magic(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent);
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internal LNK_Chunk * lnk_build_coff_file_header(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent, COFF_MachineType machine, COFF_TimeStamp time_stamp, PE_ImageFileCharacteristics file_characteristics);
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internal LNK_Chunk * lnk_build_pe_optional_header_x64(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent, COFF_MachineType machine, U64 base_addr, U64 sect_align, U64 file_align, Version linker_ver, Version os_ver, Version image_ver, Version subsystem_ver, PE_WindowsSubsystem subsystem, PE_DllCharacteristics dll_characteristics, U64 stack_reserve, U64 stack_commit, U64 heap_reserve, U64 heap_commit, String8 entry_point_name, LNK_SectionArray sect_arr);
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internal LNK_Chunk * lnk_build_pe_directories(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent);
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internal LNK_Chunk * lnk_build_coff_section_table(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent_chunk, LNK_SectionArray sect_arr);
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internal LNK_Chunk * lnk_build_win32_image_header(LNK_SymbolTable *symtab, LNK_Section *header_sect, LNK_Chunk *parent_chunk, LNK_Config *config, LNK_SectionArray sect_arr);
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////////////////////////////////
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// Relocs
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internal void lnk_patch_relocs_linker(TP_Context *tp, LNK_SymbolTable *symtab, LNK_SectionTable *sectab, LNK_Section **sect_id_map, String8 image_data, U64 base_addr);
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internal void lnk_patch_relocs_obj(TP_Context *tp, LNK_ObjList obj_list, LNK_SymbolTable *symtab, LNK_SectionTable *sectab, LNK_Section **sect_id_map, String8 image_data, U64 base_addr);
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internal void lnk_apply_reloc(U64 base_addr, U64 virt_align, U64 file_align, LNK_Section **sect_id_map, LNK_SymbolTable *symtab, String8 chunk_data, LNK_Reloc *reloc);
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////////////////////////////////
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internal void lnk_log_size_breakdown(LNK_SectionTable *sectab, LNK_SymbolTable *symtab);
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internal void lnk_log_link_stats(LNK_ObjList obj_list, LNK_LibList *lib_index, LNK_SectionTable *sectab);
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internal void lnk_log_timers(void);
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////////////////////////////////
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// Enum <-> String
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internal String8 lnk_string_from_input_source(LNK_InputSourceType input_source);
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