summaryrefslogtreecommitdiff
path: root/scripts/bin2coff.c
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/bin2coff.c')
-rw-r--r--scripts/bin2coff.c402
1 files changed, 402 insertions, 0 deletions
diff --git a/scripts/bin2coff.c b/scripts/bin2coff.c
new file mode 100644
index 00000000..4a8592ac
--- /dev/null
+++ b/scripts/bin2coff.c
@@ -0,0 +1,402 @@
+/*
+ * bin2coff: converts a data object into a Win32 linkable COFF binary object
+ * Copyright (c) 2011 Pete Batard <pete@akeo.ie>
+ * This file is part of the libwdi project: http://libwdi.sf.net
+ * Modified 2018 by Artifex Software to rename '-' characters to '_' in symbols.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * References:
+ * http://www.vortex.masmcode.com/ (another bin2coff, without source)
+ * http://msdn.microsoft.com/en-us/library/ms680198.aspx
+ * http://webster.cs.ucr.edu/Page_TechDocs/pe.txt
+ * http://www.delorie.com/djgpp/doc/coff/
+ * http://pierrelib.pagesperso-orange.fr/exec_formats/MS_Symbol_Type_v1.0.pdf
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#if !defined(_MSC_VER)
+#include <stdint.h>
+#else
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef short int16_t;
+typedef unsigned short uint16_t;
+typedef int int32_t;
+typedef unsigned uint32_t;
+typedef long long int64_t;
+typedef unsigned long long uint64_t;
+#endif
+
+#define SIZE_LABEL_SUFFIX "_size"
+#define SIZE_TYPE uint32_t
+
+#define IMAGE_SIZEOF_SHORT_NAME 8
+
+/* File header defines */
+#define IMAGE_FILE_MACHINE_ANY 0x0000
+#define IMAGE_FILE_MACHINE_I386 0x014c
+#define IMAGE_FILE_MACHINE_IA64 0x0200
+#define IMAGE_FILE_MACHINE_AMD64 0x8664
+
+#define IMAGE_FILE_RELOCS_STRIPPED 0x0001
+#define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002
+#define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004
+#define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008
+#define IMAGE_FILE_AGGRESIVE_WS_TRIM 0x0010 /* Obsolete */
+#define IMAGE_FILE_LARGE_ADDRESS_AWARE 0x0020
+#define IMAGE_FILE_16BIT_MACHINE 0x0040
+#define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 /* Obsolete */
+#define IMAGE_FILE_32BIT_MACHINE 0x0100
+#define IMAGE_FILE_DEBUG_STRIPPED 0x0200
+#define IMAGE_FILE_REM_RUN_FROM_SWAP 0x0400
+#define IMAGE_FILE_NET_RUN_FROM_SWAP 0x0800
+#define IMAGE_FILE_SYSTEM 0x1000
+#define IMAGE_FILE_DLL 0x2000
+#define IMAGE_FILE_UP_SYSTEM_ONLY 0x4000
+#define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 /* Obsolete */
+
+/* Section header defines */
+#define IMAGE_SCN_TYPE_REG 0x00000000 /* Reserved */
+#define IMAGE_SCN_TYPE_DSECT 0x00000001 /* Reserved */
+#define IMAGE_SCN_TYPE_NOLOAD 0x00000002 /* Reserved */
+#define IMAGE_SCN_TYPE_GROUP 0x00000003 /* Reserved */
+#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Obsolete */
+#define IMAGE_SCN_TYPE_COPY 0x00000010 /* Reserved */
+#define IMAGE_SCN_CNT_CODE 0x00000020
+#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040
+#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080
+#define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved */
+#define IMAGE_SCN_LNK_INFO 0x00000200
+#define IMAGE_SCN_TYPE_OVER 0x00000400 /* Reserved */
+#define IMAGE_SCN_LNK_REMOVE 0x00000800
+#define IMAGE_SCN_LNK_COMDAT 0x00001000
+#define IMAGE_SCN_MEM_FARDATA 0x00008000 /* Reserved */
+#define IMAGE_SCN_MEM_PURGEABLE 0x00020000 /* Reserved */
+#define IMAGE_SCN_MEM_16BIT 0x00020000 /* Reserved */
+#define IMAGE_SCN_MEM_LOCKED 0x00040000 /* Reserved */
+#define IMAGE_SCN_MEM_PRELOAD 0x00080000 /* Reserved */
+#define IMAGE_SCN_ALIGN_1BYTES 0x00100000
+#define IMAGE_SCN_ALIGN_2BYTES 0x00200000
+#define IMAGE_SCN_ALIGN_4BYTES 0x00300000
+#define IMAGE_SCN_ALIGN_8BYTES 0x00400000
+#define IMAGE_SCN_ALIGN_16BYTES 0x00500000
+#define IMAGE_SCN_ALIGN_32BYTES 0x00600000
+#define IMAGE_SCN_ALIGN_64BYTES 0x00700000
+#define IMAGE_SCN_ALIGN_128BYTES 0x00800000
+#define IMAGE_SCN_ALIGN_256BYTES 0x00900000
+#define IMAGE_SCN_ALIGN_512BYTES 0x00A00000
+#define IMAGE_SCN_ALIGN_1024BYTES 0x00B00000
+#define IMAGE_SCN_ALIGN_2048BYTES 0x00C00000
+#define IMAGE_SCN_ALIGN_4096BYTES 0x00D00000
+#define IMAGE_SCN_ALIGN_8192BYTES 0x00E00000
+#define IMAGE_SCN_ALIGN_MASK 0x00F00000
+#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000
+#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
+#define IMAGE_SCN_MEM_NOT_CACHED 0x04000000
+#define IMAGE_SCN_MEM_NOT_PAGED 0x08000000
+#define IMAGE_SCN_MEM_SHARED 0x10000000
+#define IMAGE_SCN_MEM_EXECUTE 0x20000000
+#define IMAGE_SCN_MEM_READ 0x40000000
+#define IMAGE_SCN_MEM_WRITE 0x80000000
+
+/* Symbol entry defines */
+#define IMAGE_SYM_UNDEFINED (int16_t)0
+#define IMAGE_SYM_ABSOLUTE (int16_t)-1
+#define IMAGE_SYM_DEBUG (int16_t)-2
+
+#define IMAGE_SYM_TYPE_NULL 0x0000
+#define IMAGE_SYM_TYPE_VOID 0x0001
+#define IMAGE_SYM_TYPE_CHAR 0x0002
+#define IMAGE_SYM_TYPE_SHORT 0x0003
+#define IMAGE_SYM_TYPE_INT 0x0004
+#define IMAGE_SYM_TYPE_LONG 0x0005
+#define IMAGE_SYM_TYPE_FLOAT 0x0006
+#define IMAGE_SYM_TYPE_DOUBLE 0x0007
+#define IMAGE_SYM_TYPE_STRUCT 0x0008
+#define IMAGE_SYM_TYPE_UNION 0x0009
+#define IMAGE_SYM_TYPE_ENUM 0x000A
+#define IMAGE_SYM_TYPE_MOE 0x000B
+#define IMAGE_SYM_TYPE_BYTE 0x000C
+#define IMAGE_SYM_TYPE_WORD 0x000D
+#define IMAGE_SYM_TYPE_UINT 0x000E
+#define IMAGE_SYM_TYPE_DWORD 0x000F
+#define IMAGE_SYM_TYPE_PCODE 0x8000
+
+#define IMAGE_SYM_DTYPE_NULL 0
+#define IMAGE_SYM_DTYPE_POINTER 1
+#define IMAGE_SYM_DTYPE_FUNCTION 2
+#define IMAGE_SYM_DTYPE_ARRAY 3
+
+#define IMAGE_SYM_CLASS_END_OF_FUNCTION (uint8_t)-1
+#define IMAGE_SYM_CLASS_NULL 0x00
+#define IMAGE_SYM_CLASS_AUTOMATIC 0x01
+#define IMAGE_SYM_CLASS_EXTERNAL 0x02
+#define IMAGE_SYM_CLASS_STATIC 0x03
+#define IMAGE_SYM_CLASS_REGISTER 0x04
+#define IMAGE_SYM_CLASS_EXTERNAL_DEF 0x05
+#define IMAGE_SYM_CLASS_LABEL 0x06
+#define IMAGE_SYM_CLASS_UNDEFINED_LABEL 0x07
+#define IMAGE_SYM_CLASS_MEMBER_OF_STRUCT 0x08
+#define IMAGE_SYM_CLASS_ARGUMENT 0x09
+#define IMAGE_SYM_CLASS_STRUCT_TAG 0x0A
+#define IMAGE_SYM_CLASS_MEMBER_OF_UNION 0x0B
+#define IMAGE_SYM_CLASS_UNION_TAG 0x0C
+#define IMAGE_SYM_CLASS_TYPE_DEFINITION 0x0D
+#define IMAGE_SYM_CLASS_UNDEFINED_STATIC 0x0E
+#define IMAGE_SYM_CLASS_ENUM_TAG 0x0F
+#define IMAGE_SYM_CLASS_MEMBER_OF_ENUM 0x10
+#define IMAGE_SYM_CLASS_REGISTER_PARAM 0x11
+#define IMAGE_SYM_CLASS_BIT_FIELD 0x12
+#define IMAGE_SYM_CLASS_FAR_EXTERNAL 0x44
+#define IMAGE_SYM_CLASS_BLOCK 0x64
+#define IMAGE_SYM_CLASS_FUNCTION 0x65
+#define IMAGE_SYM_CLASS_END_OF_STRUCT 0x66
+#define IMAGE_SYM_CLASS_FILE 0x67
+#define IMAGE_SYM_CLASS_SECTION 0x68
+#define IMAGE_SYM_CLASS_WEAK_EXTERNAL 0x69
+#define IMAGE_SYM_CLASS_CLR_TOKEN 0x6B
+
+#pragma pack(push, 2)
+
+/* Microsoft COFF File Header */
+typedef struct {
+ uint16_t Machine;
+ uint16_t NumberOfSections;
+ uint32_t TimeDateStamp;
+ uint32_t PointerToSymbolTable;
+ uint32_t NumberOfSymbols;
+ uint16_t SizeOfOptionalHeader;
+ uint16_t Characteristics;
+} IMAGE_FILE_HEADER;
+
+/* Microsoft COFF Section Header */
+typedef struct {
+ char Name[IMAGE_SIZEOF_SHORT_NAME];
+ uint32_t VirtualSize;
+ uint32_t VirtualAddress;
+ uint32_t SizeOfRawData;
+ uint32_t PointerToRawData;
+ uint32_t PointerToRelocations;
+ uint32_t PointerToLinenumbers;
+ uint16_t NumberOfRelocations;
+ uint16_t NumberOfLinenumbers;
+ uint32_t Characteristics;
+} IMAGE_SECTION_HEADER;
+
+/* Microsoft COFF Symbol Entry */
+typedef struct {
+ union {
+ char ShortName[IMAGE_SIZEOF_SHORT_NAME];
+ struct {
+ uint32_t Zeroes;
+ uint32_t Offset;
+ } LongName;
+ } N;
+ int32_t Value;
+ int16_t SectionNumber;
+ uint16_t Type;
+ uint8_t StorageClass;
+ uint8_t NumberOfAuxSymbols;
+} IMAGE_SYMBOL;
+
+/* COFF String Table */
+typedef struct {
+ uint32_t TotalSize;
+ char Strings[0];
+} IMAGE_STRINGS;
+
+#pragma pack(pop)
+
+int
+#ifdef DDKBUILD
+__cdecl
+#endif
+main (int argc, char *argv[])
+{
+ const uint16_t endian_test = 0xBE00;
+ int x86_32, short_label, short_size;
+ int i, r = 1;
+ char* label;
+ FILE *fd = NULL;
+ size_t size, alloc_size;
+ uint8_t* buffer = NULL;
+ IMAGE_FILE_HEADER* file_header;
+ IMAGE_SECTION_HEADER* section_header;
+ IMAGE_SYMBOL* symbol_table;
+ IMAGE_STRINGS* string_table;
+ SIZE_TYPE* data_size;
+
+ if ((argc < 3) || (argc > 5)) {
+ fprintf(stderr, "\nUsage: bin2coff bin obj [label] [64bit]\n\n");
+ fprintf(stderr, " bin : source binary data\n");
+ fprintf(stderr, " obj : target object file, in MS COFF format.\n");
+ fprintf(stderr, " label: identifier for the extern data. If not provided, the name of the\n");
+ fprintf(stderr, " binary file without extension is used.\n");
+ fprintf(stderr, " 64bit: produce a 64 bit compatible object - symbols are generated without\n");
+ fprintf(stderr, " leading underscores and machine type is set to x86_x64.\n\n");
+ fprintf(stderr, "With your linker set properly, typical access from a C source is:\n\n");
+ fprintf(stderr, " extern uint8_t label[] /* binary data */\n");
+ fprintf(stderr, " extern uint32_t label_size /* size of binary data */\n\n");
+ exit(1);
+ }
+
+ if (((uint8_t*)&endian_test)[0] == 0xBE) {
+ fprintf(stderr, "\nThis program is not compatible with Big Endian architectures.\n");
+ fprintf(stderr, "You are welcome to modify the sourcecode (GPLv3+) to make it so.\n");
+ exit(1);
+ }
+
+ fd = fopen(argv[1], "rb");
+ if (fd == NULL) {
+ fprintf(stderr, "Couldn't open file '%s'.\n", argv[1]);
+ goto err;
+ }
+ fseek(fd, 0, SEEK_END);
+ size = (size_t)ftell(fd);
+ fseek(fd, 0, SEEK_SET);
+
+ x86_32 = (((argc >= 4) && (strcmp(argv[3], "64bit") == 0)) || ((argc >= 5) && (strcmp(argv[4], "64bit") == 0)))?0:1;
+
+ /* Label setup */
+ if ( (argc < 4) || ((argc == 4) && (!x86_32)) ) {
+ for (i=(int)strlen(argv[1])-1; i>=0; i--) {
+ if (argv[1][i] == '.') {
+ argv[1][i] = 0;
+ break;
+ }
+ }
+ label = argv[1];
+ } else {
+ label = argv[3];
+ }
+
+ {
+ char *s = label;
+
+ while (*s) {
+ if (*s == '-')
+ *s = '_';
+ s++;
+ }
+ }
+
+ short_label = (strlen(label) + x86_32) <= IMAGE_SIZEOF_SHORT_NAME;
+ short_size = (strlen(label) + x86_32 + strlen(SIZE_LABEL_SUFFIX)) <= IMAGE_SIZEOF_SHORT_NAME;
+ alloc_size = sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER) + size + sizeof(SIZE_TYPE) + 2*sizeof(IMAGE_SYMBOL) + sizeof(IMAGE_STRINGS);
+ if (!short_label) {
+ alloc_size += x86_32 + strlen(label) + 1;
+ }
+ if (!short_size) {
+ alloc_size += x86_32 + strlen(label) + strlen(SIZE_LABEL_SUFFIX) + 1;
+ }
+
+ buffer = (uint8_t*)calloc(alloc_size, 1);
+ if (buffer == NULL) {
+ fprintf(stderr, "Couldn't allocate buffer.\n");
+ goto err;
+ }
+ file_header = (IMAGE_FILE_HEADER*)&buffer[0];
+ section_header = (IMAGE_SECTION_HEADER*)&buffer[sizeof(IMAGE_FILE_HEADER)];
+ symbol_table = (IMAGE_SYMBOL*)&buffer[sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER) + size + sizeof(SIZE_TYPE)];
+ string_table = (IMAGE_STRINGS*)&buffer[sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER) + size + sizeof(SIZE_TYPE) + 2*sizeof(IMAGE_SYMBOL)];
+
+ /* Populate file header */
+ file_header->Machine = (x86_32)?IMAGE_FILE_MACHINE_I386:IMAGE_FILE_MACHINE_AMD64;
+ file_header->NumberOfSections = 1;
+ file_header->PointerToSymbolTable = sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER) + (uint32_t)size+4;
+ file_header->NumberOfSymbols = 2;
+ file_header->Characteristics = IMAGE_FILE_LINE_NUMS_STRIPPED;
+
+ /* Populate data section header */
+ strncpy(section_header->Name, ".data", IMAGE_SIZEOF_SHORT_NAME);
+ section_header->SizeOfRawData = (uint32_t)size+4;
+ section_header->PointerToRawData = sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER);
+ section_header->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_ALIGN_16BYTES | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE;
+
+ /* Populate data section */
+ if (fread(&buffer[sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER)], 1, size, fd) != size) {
+ fprintf(stderr, "Couldn't read file '%s'.\n", argv[1]);
+ goto err;
+ }
+ fclose(fd); fd = NULL;
+ data_size = (SIZE_TYPE*)&buffer[sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_SECTION_HEADER) + size];
+ *data_size = (SIZE_TYPE)size;
+
+ /* Populate symbol table */
+ if (short_label) {
+ symbol_table[0].N.ShortName[0] = '_';
+ strcpy(&symbol_table[0].N.ShortName[x86_32], label);
+ } else {
+ symbol_table[0].N.LongName.Zeroes = 0;
+ symbol_table[0].N.LongName.Offset = sizeof(IMAGE_STRINGS);
+ }
+ /* Ideally, we would use (IMAGE_SYM_DTYPE_ARRAY << 8) | IMAGE_SYM_TYPE_BYTE
+ * to indicate an array of bytes, but the type is ignored in MS objects. */
+ symbol_table[0].Type = IMAGE_SYM_TYPE_NULL;
+ symbol_table[0].StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
+ symbol_table[0].SectionNumber = 1;
+ symbol_table[0].Value = 0; /* Offset within the section */
+
+ if (short_size) {
+ symbol_table[1].N.ShortName[1] = '_';
+ strcpy(&symbol_table[1].N.ShortName[x86_32], label);
+ strcpy(&symbol_table[1].N.ShortName[x86_32+strlen(label)], SIZE_LABEL_SUFFIX);
+ } else {
+ symbol_table[1].N.LongName.Zeroes = 0;
+ symbol_table[1].N.LongName.Offset = sizeof(IMAGE_STRINGS) + ((short_label)?0:(x86_32 + (uint32_t)strlen(label) + 1));
+ }
+ symbol_table[1].Type = IMAGE_SYM_TYPE_NULL;
+ symbol_table[1].StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
+ symbol_table[1].SectionNumber = 1;
+ symbol_table[1].Value = (int32_t)size; /* Offset within the section */
+
+ /* Populate string table */
+ string_table->TotalSize = sizeof(IMAGE_STRINGS);
+ if (!short_label) {
+ string_table->Strings[0] = '_';
+ strcpy(&string_table->Strings[0] + x86_32, label);
+ string_table->TotalSize += x86_32 + (uint32_t)strlen(label) + 1;
+ }
+ if (!short_size) {
+ string_table->Strings[string_table->TotalSize - sizeof(IMAGE_STRINGS)] = '_';
+ strcpy(&string_table->Strings[string_table->TotalSize - sizeof(IMAGE_STRINGS)] + x86_32, label);
+ string_table->TotalSize += x86_32 + (uint32_t)strlen(label);
+ strcpy(&string_table->Strings[string_table->TotalSize - sizeof(IMAGE_STRINGS)], SIZE_LABEL_SUFFIX);
+ string_table->TotalSize += (uint32_t)strlen(SIZE_LABEL_SUFFIX) + 1;
+ }
+
+ fd = fopen(argv[2], "wb");
+ if (fd == NULL) {
+ fprintf(stderr, "Couldn't create file '%s'.\n", argv[2]);
+ goto err;
+ }
+
+ if (fwrite(buffer, 1, alloc_size, fd) != alloc_size) {
+ fprintf(stderr, "Couldn't write file '%s'.\n", argv[2]);
+ goto err;
+ }
+ printf("Successfully created COFF object file '%s'\n", argv[2]);
+
+ r = 0;
+
+err:
+ if (fd != NULL) fclose(fd);
+ free(buffer);
+ exit(r);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 04:12:44 +0000