winebuild: Add a more generic way to create directories and sections in fake dlls.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard
parent
d8be85863f
commit
2f0401c783
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@ -772,6 +772,71 @@ void output_spec32_file( DLLSPEC *spec )
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}
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struct sec_data
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{
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char name[8];
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const void *ptr;
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unsigned int size;
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unsigned int flags;
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unsigned int file_size;
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unsigned int virt_size;
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unsigned int filepos;
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unsigned int rva;
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};
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struct dir_data
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{
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unsigned int rva;
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unsigned int size;
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};
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static struct
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{
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unsigned int section_align;
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unsigned int file_align;
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unsigned int sec_count;
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struct dir_data dir[16];
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struct sec_data sec[8];
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} pe;
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static void set_dir( unsigned int idx, unsigned int rva, unsigned int size )
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{
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pe.dir[idx].rva = rva;
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pe.dir[idx].size = size;
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}
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static unsigned int current_rva(void)
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{
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if (!pe.sec_count) return pe.section_align;
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return pe.sec[pe.sec_count - 1].rva + pe.sec[pe.sec_count - 1].virt_size;
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}
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static unsigned int current_filepos(void)
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{
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if (!pe.sec_count) return pe.file_align;
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return pe.sec[pe.sec_count - 1].filepos + pe.sec[pe.sec_count - 1].file_size;
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}
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static unsigned int flush_output_to_section( const char *name, int dir_idx, unsigned int flags )
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{
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struct sec_data *sec = &pe.sec[pe.sec_count];
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if (!output_buffer_pos) return 0;
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strncpy( sec->name, name, sizeof(sec->name) );
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sec->ptr = output_buffer;
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sec->size = output_buffer_pos;
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sec->flags = flags;
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sec->rva = current_rva();
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sec->filepos = current_filepos();
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sec->file_size = (sec->size + pe.file_align - 1) & ~(pe.file_align - 1);
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sec->virt_size = (sec->size + pe.section_align - 1) & ~(pe.section_align - 1);
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if (dir_idx >= 0) set_dir( dir_idx, sec->rva, sec->size );
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init_output_buffer();
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pe.sec_count++;
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return sec->size;
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}
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/*******************************************************************
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* output_fake_module
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*
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@ -784,27 +849,32 @@ void output_fake_module( DLLSPEC *spec )
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static const unsigned char exe_code_section[] = { 0xb8, 0x01, 0x00, 0x00, 0x00, /* movl $1,%eax */
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0xc2, 0x04, 0x00 }; /* ret $4 */
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const unsigned int page_size = get_page_size();
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const unsigned int section_align = page_size;
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const unsigned int file_align = 0x200;
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const unsigned int reloc_size = 8;
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const unsigned int lfanew = 0x40 + sizeof(fakedll_signature);
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const unsigned int nb_sections = 2 + (spec->nb_resources != 0);
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const unsigned int text_size = (spec->characteristics & IMAGE_FILE_DLL) ?
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sizeof(dll_code_section) : sizeof(exe_code_section);
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unsigned char *resources;
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unsigned int resources_size;
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unsigned int image_size = 3 * section_align;
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unsigned int i;
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resolve_imports( spec );
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output_bin_resources( spec, 3 * section_align );
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resources = output_buffer;
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resources_size = output_buffer_pos;
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if (resources_size) image_size += (resources_size + section_align - 1) & ~(section_align - 1);
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init_output_buffer();
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pe.section_align = page_size;
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pe.file_align = 0x200;
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/* .text section */
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if (spec->characteristics & IMAGE_FILE_DLL) put_data( dll_code_section, sizeof(dll_code_section) );
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else put_data( exe_code_section, sizeof(exe_code_section) );
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flush_output_to_section( ".text", -1, 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ );
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/* .reloc section */
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put_dword( 0 ); /* VirtualAddress */
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put_dword( 0 ); /* Size */
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flush_output_to_section( ".reloc", 5 /* IMAGE_DIRECTORY_ENTRY_BASERELOC */,
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0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ );
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/* .rsrc section */
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output_bin_resources( spec, current_rva() );
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flush_output_to_section( ".rsrc", 2 /* IMAGE_DIRECTORY_ENTRY_RESOURCE */,
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0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ );
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put_word( 0x5a4d ); /* e_magic */
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put_word( 0x40 ); /* e_cblp */
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put_word( 0x01 ); /* e_cp */
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@ -841,7 +911,7 @@ void output_fake_module( DLLSPEC *spec )
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case CPU_ARM: put_word( IMAGE_FILE_MACHINE_ARMNT ); break;
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case CPU_ARM64: put_word( IMAGE_FILE_MACHINE_ARM64 ); break;
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}
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put_word( nb_sections ); /* NumberOfSections */
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put_word( pe.sec_count ); /* NumberOfSections */
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put_dword( hash_filename(spec->file_name) ); /* TimeDateStamp */
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put_dword( 0 ); /* PointerToSymbolTable */
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put_dword( 0 ); /* NumberOfSymbols */
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@ -854,15 +924,15 @@ void output_fake_module( DLLSPEC *spec )
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IMAGE_NT_OPTIONAL_HDR32_MAGIC ); /* Magic */
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put_byte( 7 ); /* MajorLinkerVersion */
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put_byte( 10 ); /* MinorLinkerVersion */
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put_dword( text_size ); /* SizeOfCode */
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put_dword( pe.sec[0].size ); /* SizeOfCode */
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put_dword( 0 ); /* SizeOfInitializedData */
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put_dword( 0 ); /* SizeOfUninitializedData */
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put_dword( section_align ); /* AddressOfEntryPoint */
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put_dword( section_align ); /* BaseOfCode */
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put_dword( pe.sec[0].rva ); /* AddressOfEntryPoint */
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put_dword( pe.sec[0].rva ); /* BaseOfCode */
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if (get_ptr_size() == 4) put_dword( 0 ); /* BaseOfData */
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put_pword( 0x10000000 ); /* ImageBase */
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put_dword( section_align ); /* SectionAlignment */
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put_dword( file_align ); /* FileAlignment */
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put_dword( pe.section_align ); /* SectionAlignment */
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put_dword( pe.file_align ); /* FileAlignment */
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put_word( 1 ); /* MajorOperatingSystemVersion */
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put_word( 0 ); /* MinorOperatingSystemVersion */
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put_word( 0 ); /* MajorImageVersion */
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@ -870,8 +940,8 @@ void output_fake_module( DLLSPEC *spec )
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put_word( spec->subsystem_major ); /* MajorSubsystemVersion */
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put_word( spec->subsystem_minor ); /* MinorSubsystemVersion */
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put_dword( 0 ); /* Win32VersionValue */
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put_dword( image_size ); /* SizeOfImage */
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put_dword( file_align ); /* SizeOfHeaders */
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put_dword( current_rva() ); /* SizeOfImage */
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put_dword( pe.file_align ); /* SizeOfHeaders */
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put_dword( 0 ); /* CheckSum */
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put_word( spec->subsystem ); /* Subsystem */
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put_word( spec->dll_characteristics ); /* DllCharacteristics */
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@ -882,91 +952,35 @@ void output_fake_module( DLLSPEC *spec )
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put_dword( 0 ); /* LoaderFlags */
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put_dword( 16 ); /* NumberOfRvaAndSizes */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */
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if (resources_size) /* DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE] */
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/* image directories */
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for (i = 0; i < 16; i++)
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{
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put_dword( 3 * section_align );
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put_dword( resources_size );
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}
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else
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{
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put_dword( 0 );
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put_dword( 0 );
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put_dword( pe.dir[i].rva ); /* VirtualAddress */
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put_dword( pe.dir[i].size ); /* Size */
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}
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] */
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put_dword( 2 * section_align ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC] */
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put_dword( reloc_size );
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COPYRIGHT] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_GLOBALPTR] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR] */
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put_dword( 0 ); put_dword( 0 ); /* DataDirectory[15] */
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/* .text section */
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put_data( ".text\0\0", 8 ); /* Name */
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put_dword( section_align ); /* VirtualSize */
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put_dword( section_align ); /* VirtualAddress */
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put_dword( text_size ); /* SizeOfRawData */
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put_dword( file_align ); /* PointerToRawData */
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put_dword( 0 ); /* PointerToRelocations */
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put_dword( 0 ); /* PointerToLinenumbers */
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put_word( 0 ); /* NumberOfRelocations */
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put_word( 0 ); /* NumberOfLinenumbers */
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put_dword( 0x60000020 /* CNT_CODE|MEM_EXECUTE|MEM_READ */ ); /* Characteristics */
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/* .reloc section */
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put_data( ".reloc\0", 8 ); /* Name */
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put_dword( section_align ); /* VirtualSize */
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put_dword( 2 * section_align );/* VirtualAddress */
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put_dword( reloc_size ); /* SizeOfRawData */
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put_dword( 2 * file_align ); /* PointerToRawData */
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put_dword( 0 ); /* PointerToRelocations */
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put_dword( 0 ); /* PointerToLinenumbers */
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put_word( 0 ); /* NumberOfRelocations */
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put_word( 0 ); /* NumberOfLinenumbers */
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put_dword( 0x42000040 /* CNT_INITIALIZED_DATA|MEM_DISCARDABLE|MEM_READ */ ); /* Characteristics */
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/* .rsrc section */
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if (resources_size)
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/* sections */
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for (i = 0; i < pe.sec_count; i++)
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{
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put_data( ".rsrc\0\0", 8 ); /* Name */
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put_dword( (resources_size + section_align - 1) & ~(section_align - 1) ); /* VirtualSize */
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put_dword( 3 * section_align );/* VirtualAddress */
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put_dword( resources_size ); /* SizeOfRawData */
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put_dword( 3 * file_align ); /* PointerToRawData */
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put_dword( 0 ); /* PointerToRelocations */
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put_dword( 0 ); /* PointerToLinenumbers */
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put_word( 0 ); /* NumberOfRelocations */
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put_word( 0 ); /* NumberOfLinenumbers */
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put_dword( 0x40000040 /* CNT_INITIALIZED_DATA|MEM_READ */ ); /* Characteristics */
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put_data( pe.sec[i].name, 8 ); /* Name */
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put_dword( pe.sec[i].virt_size ); /* VirtualSize */
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put_dword( pe.sec[i].rva ); /* VirtualAddress */
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put_dword( pe.sec[i].size ); /* SizeOfRawData */
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put_dword( pe.sec[i].filepos ); /* PointerToRawData */
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put_dword( 0 ); /* PointerToRelocations */
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put_dword( 0 ); /* PointerToLinenumbers */
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put_word( 0 ); /* NumberOfRelocations */
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put_word( 0 ); /* NumberOfLinenumbers */
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put_dword( pe.sec[i].flags ); /* Characteristics */
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}
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/* .text contents */
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align_output( file_align );
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if (spec->characteristics & IMAGE_FILE_DLL)
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put_data( dll_code_section, sizeof(dll_code_section) );
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else
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put_data( exe_code_section, sizeof(exe_code_section) );
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/* .reloc contents */
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align_output( file_align );
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put_dword( 0 ); /* VirtualAddress */
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put_dword( 0 ); /* SizeOfBlock */
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/* .rsrc contents */
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if (resources_size)
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/* section data */
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for (i = 0; i < pe.sec_count; i++)
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{
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align_output( file_align );
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put_data( resources, resources_size );
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align_output( pe.file_align );
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put_data( pe.sec[i].ptr, pe.sec[i].size );
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}
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flush_output_buffer();
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}
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