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begin process of moving pe unwinding info into pe layer; more demon2 work checkpoint

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This commit is contained in:
Ryan Fleury
2024-03-05 16:54:57 -08:00
parent e25364a835
commit 0d0c599e00
6 changed files with 518 additions and 410 deletions
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src/pe/pe.c
+52 -44
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@@ -1,6 +1,54 @@
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
////////////////////////////////
//~ rjf: Basic Enum Functions
internal U32
pe_slot_count_from_unwind_op_code(PE_UnwindOpCode opcode)
{
U32 result = 0;
switch(opcode)
{
case PE_UnwindOpCode_PUSH_NONVOL: result = 1; break;
case PE_UnwindOpCode_ALLOC_LARGE: result = 2; break;
case PE_UnwindOpCode_ALLOC_SMALL: result = 1; break;
case PE_UnwindOpCode_SET_FPREG: result = 1; break;
case PE_UnwindOpCode_SAVE_NONVOL: result = 2; break;
case PE_UnwindOpCode_SAVE_NONVOL_FAR: result = 3; break;
case PE_UnwindOpCode_EPILOG: result = 2; break;
case PE_UnwindOpCode_SPARE_CODE: result = 3; break;
case PE_UnwindOpCode_SAVE_XMM128: result = 2; break;
case PE_UnwindOpCode_SAVE_XMM128_FAR: result = 3; break;
case PE_UnwindOpCode_PUSH_MACHFRAME: result = 1; break;
}
return result;
}
internal String8
pe_string_from_windows_subsystem(PE_WindowsSubsystem subsystem)
{
String8 result = {0};
switch(subsystem)
{
default:{}break;
case PE_WindowsSubsystem_UNKNOWN: result = str8_lit("UNKNOWN"); break;
case PE_WindowsSubsystem_NATIVE: result = str8_lit("NATIVE"); break;
case PE_WindowsSubsystem_WINDOWS_GUI: result = str8_lit("WINDOWS_GUI"); break;
case PE_WindowsSubsystem_WINDOWS_CUI: result = str8_lit("WINDOWS_CUI"); break;
case PE_WindowsSubsystem_OS2_CUI: result = str8_lit("OS2_CUI"); break;
case PE_WindowsSubsystem_POSIX_CUI: result = str8_lit("POSIX_CUI"); break;
case PE_WindowsSubsystem_NATIVE_WINDOWS: result = str8_lit("NATIVE_WINDOWS"); break;
case PE_WindowsSubsystem_WINDOWS_CE_GUI: result = str8_lit("WINDOWS_CE_GUID"); break;
case PE_WindowsSubsystem_EFI_APPLICATION: result = str8_lit("EFI_APPLICATION"); break;
case PE_WindowsSubsystem_EFI_BOOT_SERVICE_DRIVER: result = str8_lit("EFI_BOOT_SERVICE_DRIVER"); break;
case PE_WindowsSubsystem_EFI_ROM: result = str8_lit("EFI_ROM"); break;
case PE_WindowsSubsystem_XBOX: result = str8_lit("XBOX"); break;
case PE_WindowsSubsystem_WINDOWS_BOOT_APPLICATION: result = str8_lit("WINDOWS_BOOT_APPLICATION"); break;
}
return result;
}
////////////////////////////////
//~ rjf: Parser Functions
@@ -535,7 +583,7 @@ pe_resource_dir_push_dir_node(Arena *arena, PE_ResourceDir *dir, COFF_ResourceID
PE_Resource *res = &res_node->data;
res->id = id;
res->type = PE_ResData_DIR;
res->kind = PE_ResDataKind_DIR;
res->u.dir = sub_dir;
return res_node;
@@ -558,7 +606,7 @@ pe_resource_dir_push_entry_node(Arena *arena, PE_ResourceDir *dir, COFF_Resource
PE_Resource *res = &res_node->data;
res->id = id;
res->type = PE_ResData_COFF_RESOURCE;
res->kind = PE_ResDataKind_COFF_RESOURCE;
res->u.coff_res.type = type;
res->u.coff_res.data_version = data_version;
res->u.coff_res.version = version;
@@ -716,7 +764,7 @@ pe_resource_table_from_directory_data(Arena *arena, String8 data)
entry->id.type = COFF_ResourceIDType_STRING;
entry->id.u.string = str8_from_16(arena, name16);
entry->type = is_dir ? PE_ResData_DIR : PE_ResData_COFF_LEAF;
entry->kind = is_dir ? PE_ResDataKind_DIR : PE_ResDataKind_COFF_LEAF;
if (is_dir) {
struct stack_s *frame = push_array(scratch.arena, struct stack_s, 1);
@@ -745,7 +793,7 @@ pe_resource_table_from_directory_data(Arena *arena, String8 data)
entry->id.type = COFF_ResourceIDType_NUMBER;
entry->id.u.number = coff_entry.name.id;
entry->type = is_dir ? PE_ResData_DIR : PE_ResData_COFF_LEAF;
entry->kind = is_dir ? PE_ResDataKind_DIR : PE_ResDataKind_COFF_LEAF;
if (is_dir) {
struct stack_s *frame = push_array(scratch.arena, struct stack_s, 1);
@@ -766,43 +814,3 @@ pe_resource_table_from_directory_data(Arena *arena, String8 data)
scratch_end(scratch);
return bottom_frame->table;
}
////////////////////////////////
internal String8
pe_get_dos_program(void)
{
// generated from pe/dos_program.asm
static U8 program[] = {
0x0E, 0x1F, 0xBA, 0x0E, 0x00, 0xB4, 0x09, 0xCD, 0x21, 0xB8, 0x01, 0x4C, 0xCD, 0x21, 0x54, 0x68,
0x69, 0x73, 0x20, 0x70, 0x72, 0x6F, 0x67, 0x72, 0x61, 0x6D, 0x20, 0x63, 0x61, 0x6E, 0x6E, 0x6F,
0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6E, 0x20, 0x69, 0x6E, 0x20, 0x44, 0x4F, 0x53, 0x20,
0x6D, 0x6F, 0x64, 0x65, 0x2E, 0x24, 0x00, 0x00
};
return str8(program, sizeof(program));
}
////////////////////////////////
internal String8
pe_string_from_subsystem(PE_WindowsSubsystem subsystem)
{
switch (subsystem) {
case PE_WindowsSubsystem_UNKNOWN: return str8_lit("UNKNOWN");
case PE_WindowsSubsystem_NATIVE: return str8_lit("NATIVE");
case PE_WindowsSubsystem_WINDOWS_GUI: return str8_lit("WINDOWS_GUI");
case PE_WindowsSubsystem_WINDOWS_CUI: return str8_lit("WINDOWS_CUI");
case PE_WindowsSubsystem_OS2_CUI: return str8_lit("OS2_CUI");
case PE_WindowsSubsystem_POSIX_CUI: return str8_lit("POSIX_CUI");
case PE_WindowsSubsystem_NATIVE_WINDOWS: return str8_lit("NATIVE_WINDOWS");
case PE_WindowsSubsystem_WINDOWS_CE_GUI: return str8_lit("WINDOWS_CE_GUID");
case PE_WindowsSubsystem_EFI_APPLICATION: return str8_lit("EFI_APPLICATION");
case PE_WindowsSubsystem_EFI_BOOT_SERVICE_DRIVER: return str8_lit("EFI_BOOT_SERVICE_DRIVER");
case PE_WindowsSubsystem_EFI_ROM: return str8_lit("EFI_ROM");
case PE_WindowsSubsystem_XBOX: return str8_lit("XBOX");
case PE_WindowsSubsystem_WINDOWS_BOOT_APPLICATION: return str8_lit("WINDOWS_BOOT_APPLICATION");
default: break;
}
return str8(0,0);
}