Mercurial > hg > tinycc
changeset 436:91152e505b77
Move tccpe.c into the win32 subdirectory, and fix makefile to know about it.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Thu, 03 May 2007 12:10:26 -0400 |
| parents | f16b04be31b6 |
| children | 3f48bed56ab4 |
| files | Makefile tcc.c tcccoff.c tccpe.c win32/tccpe.c |
| diffstat | 5 files changed, 1248 insertions(+), 1248 deletions(-) [+] |
line wrap: on
line diff
--- a/Makefile Wed May 02 18:05:36 2007 -0400 +++ b/Makefile Thu May 03 12:10:26 2007 -0400 @@ -136,7 +136,7 @@ # Host Tiny C Compiler ifdef CONFIG_WIN32 -tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.h tccpe.c +tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.h win32/tccpe.c $(CC) $(CFLAGS) -DTCC_TARGET_PE -o $@ $< $(LIBS) else ifeq ($(ARCH),i386) @@ -159,7 +159,7 @@ arm-tcc$(EXESUF): tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h $(CC) $(CFLAGS) -DTCC_TARGET_ARM -DTCC_ARM_EABI -o $@ $< $(LIBS) -i386-win32-tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.h tccpe.c +i386-win32-tcc$(EXESUF): tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.h win32/tccpe.c $(CC) $(CFLAGS) -DTCC_TARGET_PE -o $@ $< $(LIBS) # windows utilities
--- a/tcc.c Wed May 02 18:05:36 2007 -0400 +++ b/tcc.c Thu May 03 12:10:26 2007 -0400 @@ -8728,7 +8728,7 @@ #endif #ifdef TCC_TARGET_PE -#include "tccpe.c" +#include "win32/tccpe.c" #endif /* do all relocations (needed before using tcc_get_symbol()) */
--- a/tcccoff.c Wed May 02 18:05:36 2007 -0400 +++ b/tcccoff.c Thu May 03 12:10:26 2007 -0400 @@ -1,5 +1,5 @@ /* - * COFF file handling for TCC + * COFF file handling for TCC (Needed for c67 target) * * Copyright (c) 2003, 2004 TK * Copyright (c) 2004 Fabrice Bellard
--- a/tccpe.c Wed May 02 18:05:36 2007 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1244 +0,0 @@ -/* - * TCCPE.C - PE file output for the TinyC Compiler - * - * Copyright (c) 2005 grischka - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -typedef unsigned char BYTE; -typedef unsigned short WORD; -typedef unsigned long DWORD; -#define ST static - -/* XXX: move that to TCC ? */ -int verbose = 0; - -/* definitions below are from winnt.h */ - -typedef struct _IMAGE_DOS_HEADER { /* DOS .EXE header */ - WORD e_magic; /* Magic number */ - WORD e_cblp; /* Bytes on last page of file */ - WORD e_cp; /* Pages in file */ - WORD e_crlc; /* Relocations */ - WORD e_cparhdr; /* Size of header in paragraphs */ - WORD e_minalloc; /* Minimum extra paragraphs needed */ - WORD e_maxalloc; /* Maximum extra paragraphs needed */ - WORD e_ss; /* Initial (relative) SS value */ - WORD e_sp; /* Initial SP value */ - WORD e_csum; /* Checksum */ - WORD e_ip; /* Initial IP value */ - WORD e_cs; /* Initial (relative) CS value */ - WORD e_lfarlc; /* File address of relocation table */ - WORD e_ovno; /* Overlay number */ - WORD e_res[4]; /* Reserved words */ - WORD e_oemid; /* OEM identifier (for e_oeminfo) */ - WORD e_oeminfo; /* OEM information; e_oemid specific */ - WORD e_res2[10]; /* Reserved words */ - DWORD e_lfanew; /* File address of new exe header */ - BYTE e_code[0x40]; - -} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER; - -#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */ -#define SIZE_OF_NT_SIGNATURE 4 - -typedef struct _IMAGE_FILE_HEADER { - WORD Machine; - WORD NumberOfSections; - DWORD TimeDateStamp; - DWORD PointerToSymbolTable; - DWORD NumberOfSymbols; - WORD SizeOfOptionalHeader; - WORD Characteristics; -} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER; - - -#define IMAGE_SIZEOF_FILE_HEADER 20 - -typedef struct _IMAGE_DATA_DIRECTORY { - DWORD VirtualAddress; - DWORD Size; -} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY; - - -typedef struct _IMAGE_OPTIONAL_HEADER { - /* Standard fields. */ - WORD Magic; - BYTE MajorLinkerVersion; - BYTE MinorLinkerVersion; - DWORD SizeOfCode; - DWORD SizeOfInitializedData; - DWORD SizeOfUninitializedData; - DWORD AddressOfEntryPoint; - DWORD BaseOfCode; - DWORD BaseOfData; - - /* NT additional fields. */ - DWORD ImageBase; - DWORD SectionAlignment; - DWORD FileAlignment; - WORD MajorOperatingSystemVersion; - WORD MinorOperatingSystemVersion; - WORD MajorImageVersion; - WORD MinorImageVersion; - WORD MajorSubsystemVersion; - WORD MinorSubsystemVersion; - DWORD Win32VersionValue; - DWORD SizeOfImage; - DWORD SizeOfHeaders; - DWORD CheckSum; - WORD Subsystem; - WORD DllCharacteristics; - DWORD SizeOfStackReserve; - DWORD SizeOfStackCommit; - DWORD SizeOfHeapReserve; - DWORD SizeOfHeapCommit; - DWORD LoaderFlags; - DWORD NumberOfRvaAndSizes; - IMAGE_DATA_DIRECTORY DataDirectory[16]; - -} IMAGE_OPTIONAL_HEADER32, *PIMAGE_OPTIONAL_HEADER32; - - -#define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */ -#define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */ -#define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */ -#define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */ -#define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */ -#define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */ -#define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */ -/* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */ -#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */ -#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */ -#define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */ -#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */ -#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */ -#define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */ -#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */ -#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */ - -/* Section header format. */ -#define IMAGE_SIZEOF_SHORT_NAME 8 - -typedef struct _IMAGE_SECTION_HEADER { - BYTE Name[IMAGE_SIZEOF_SHORT_NAME]; - union { - DWORD PhysicalAddress; - DWORD VirtualSize; - } Misc; - DWORD VirtualAddress; - DWORD SizeOfRawData; - DWORD PointerToRawData; - DWORD PointerToRelocations; - DWORD PointerToLinenumbers; - WORD NumberOfRelocations; - WORD NumberOfLinenumbers; - DWORD Characteristics; -} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER; - -#define IMAGE_SIZEOF_SECTION_HEADER 40 - -/* ----------------------------------------------------------- */ -typedef struct _IMAGE_BASE_RELOCATION { - DWORD VirtualAddress; - DWORD SizeOfBlock; -// WORD TypeOffset[1]; -} IMAGE_BASE_RELOCATION; - -#define IMAGE_SIZEOF_BASE_RELOCATION 8 - -#define IMAGE_REL_BASED_ABSOLUTE 0 -#define IMAGE_REL_BASED_HIGH 1 -#define IMAGE_REL_BASED_LOW 2 -#define IMAGE_REL_BASED_HIGHLOW 3 -#define IMAGE_REL_BASED_HIGHADJ 4 -#define IMAGE_REL_BASED_MIPS_JMPADDR 5 -#define IMAGE_REL_BASED_SECTION 6 -#define IMAGE_REL_BASED_REL32 7 - -/* ----------------------------------------------------------- */ - -/* ----------------------------------------------------------- */ -IMAGE_DOS_HEADER pe_dos_hdr = { - 0x5A4D, /*WORD e_magic; Magic number */ - 0x0090, /*WORD e_cblp; Bytes on last page of file */ - 0x0003, /*WORD e_cp; Pages in file */ - 0x0000, /*WORD e_crlc; Relocations */ - - 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */ - 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */ - 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */ - 0x0000, /*WORD e_ss; Initial (relative) SS value */ - - 0x00B8, /*WORD e_sp; Initial SP value */ - 0x0000, /*WORD e_csum; Checksum */ - 0x0000, /*WORD e_ip; Initial IP value */ - 0x0000, /*WORD e_cs; Initial (relative) CS value */ - 0x0040, /*WORD e_lfarlc; File address of relocation table */ - 0x0000, /*WORD e_ovno; Overlay number */ - {0, 0, 0, 0}, /*WORD e_res[4]; Reserved words */ - 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */ - 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */ - {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /*WORD e_res2[10]; Reserved words */ - 0x00000080, /*DWORD e_lfanew; File address of new exe header */ - { /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */ - /*0040 */ 0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, 0x21, 0xb8, - 0x01, 0x4c, 0xcd, 0x21, 0x54, 0x68, - /*0050 */ 0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x61, 0x6d, - 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f, - /*0060 */ 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6e, 0x20, 0x69, - 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20, - /*0070 */ 0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x0d, 0x0d, 0x0a, 0x24, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - /*0080 */ - } -}; - -DWORD pe_magic = IMAGE_NT_SIGNATURE; - -IMAGE_FILE_HEADER pe_file_hdr = { - 0x014C, /*WORD Machine; */ - 0x0003, /*WORD NumberOfSections; */ - 0x00000000, /*DWORD TimeDateStamp; */ - 0x00000000, /*DWORD PointerToSymbolTable; */ - 0x00000000, /*DWORD NumberOfSymbols; */ - 0x00E0, /*WORD SizeOfOptionalHeader; */ - 0x030F /*WORD Characteristics; */ -}; - -IMAGE_OPTIONAL_HEADER32 pe_opt_hdr = { - /* Standard fields. */ - 0x010B, /*WORD Magic; */ - 0x06, /*BYTE MajorLinkerVersion; */ - 0x00, /*BYTE MinorLinkerVersion; */ - 0x00000000, /*DWORD SizeOfCode; */ - 0x00000000, /*DWORD SizeOfInitializedData; */ - 0x00000000, /*DWORD SizeOfUninitializedData; */ - 0x00000000, /*DWORD AddressOfEntryPoint; */ - 0x00000000, /*DWORD BaseOfCode; */ - 0x00000000, /*DWORD BaseOfData; */ - - /* NT additional fields. */ - 0x00400000, /*DWORD ImageBase; */ - 0x00001000, /*DWORD SectionAlignment; */ - 0x00000200, /*DWORD FileAlignment; */ - 0x0004, /*WORD MajorOperatingSystemVersion; */ - 0x0000, /*WORD MinorOperatingSystemVersion; */ - 0x0000, /*WORD MajorImageVersion; */ - 0x0000, /*WORD MinorImageVersion; */ - 0x0004, /*WORD MajorSubsystemVersion; */ - 0x0000, /*WORD MinorSubsystemVersion; */ - 0x00000000, /*DWORD Win32VersionValue; */ - 0x00000000, /*DWORD SizeOfImage; */ - 0x00000200, /*DWORD SizeOfHeaders; */ - 0x00000000, /*DWORD CheckSum; */ - 0x0002, /*WORD Subsystem; */ - 0x0000, /*WORD DllCharacteristics; */ - 0x00100000, /*DWORD SizeOfStackReserve; */ - 0x00001000, /*DWORD SizeOfStackCommit; */ - 0x00100000, /*DWORD SizeOfHeapReserve; */ - 0x00001000, /*DWORD SizeOfHeapCommit; */ - 0x00000000, /*DWORD LoaderFlags; */ - 0x00000010, /*DWORD NumberOfRvaAndSizes; */ - - /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */ - {{0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, - {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}} -}; - -/*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*/ - -struct pe_import_header { - DWORD first_entry; - DWORD time_date; - DWORD forwarder; - DWORD lib_name_offset; - DWORD first_thunk; -}; - -struct pe_export_header { - DWORD Characteristics; - DWORD TimeDateStamp; - DWORD Version; - DWORD Name; - DWORD Base; - DWORD NumberOfFunctions; - DWORD NumberOfNames; - DWORD AddressOfFunctions; - DWORD AddressOfNames; - DWORD AddressOfNameOrdinals; -}; - -struct pe_reloc_header { - DWORD offset; - DWORD size; -}; - -/* ------------------------------------------------------------- */ -/* internal temporary structures */ - -ST const char *pe_sec_names[] = { - ".text", - ".data", - ".bss", - ".rsrc", - ".reloc", - ".stab", - ".stabstr" -}; - -enum { - sec_text = 0, - sec_data, - sec_bss, - sec_rsrc, - sec_reloc, - sec_stab, - sec_stabstr, - pe_sec_number -}; - -ST DWORD pe_flags[] = { - 0x60000020, /* ".text", */ - 0xC0000040, /* ".data", */ - 0xC0000080, /* ".bss", */ - 0x40000040, /* ".rsrc", */ - 0x42000040, /* ".reloc", */ - 0x42000802, /* ".stab", */ - 0x42000802 /* ".stabstr", */ -}; - -struct section_info { - struct section_info *next; - int id; - DWORD sh_addr; - DWORD sh_size; - unsigned char *data; - DWORD data_size; -}; - -struct import_symbol { - int sym_index; - int offset; -}; - -struct pe_import_info { - int dll_index; - int sym_count; - struct import_symbol **symbols; -}; - -struct pe_info { - const char *filename; - DWORD sizeofheaders; - DWORD imagebase; - DWORD start_addr; - DWORD imp_offs; - DWORD imp_size; - DWORD iat_offs; - DWORD iat_size; - DWORD exp_offs; - DWORD exp_size; - struct section_info sh_info[pe_sec_number]; - int sec_count; - struct pe_import_info **imp_info; - int imp_count; - Section *reloc; - Section *thunk; - TCCState *s1; -}; - -/* ------------------------------------------------------------- */ -#define PE_MERGE_DATA -// #define PE_PRINT_SECTIONS - -#ifndef MAX_PATH -#define MAX_PATH 260 -#endif - -void error_noabort(const char *, ...); - -ST char pe_type; - -#define PE_NUL 0 -#define PE_DLL 1 -#define PE_GUI 2 -#define PE_EXE 3 - -ST int pe_find_import(TCCState * s1, const char *symbol, char *ret) -{ - int sym_index = find_elf_sym(s1->dynsymtab_section, symbol); - if (0 == sym_index) { - /* Hm, maybe it's '_symbol' instead of 'symbol' or '__imp__symbol' */ - char buffer[100]; - if (0 == memcmp(symbol, "__imp__", 7)) - symbol += 6; - else - buffer[0] = '_', strcpy(buffer + 1, symbol), symbol = buffer; - sym_index = find_elf_sym(s1->dynsymtab_section, symbol); - } - if (ret) - strcpy(ret, symbol); - return sym_index; -} - -#ifdef WIN32 -ST void **pe_imp; -ST int nb_pe_imp; - -void *resolve_sym(struct TCCState *s1, const char *symbol, int type) -{ - char buffer[100], *p = buffer; - void *a = NULL; - int sym_index = pe_find_import(s1, symbol, p); - int dll_index; - const char *dll_name; - void *hm; - - if (sym_index) { - dll_index = ((Elf32_Sym *) s1->dynsymtab_section->data)[sym_index]. - st_other; - dll_name = s1->loaded_dlls[dll_index]->name; - hm = GetModuleHandleA(dll_name); - if (NULL == hm) - hm = LoadLibraryA(dll_name); - if (hm) { - a = GetProcAddress(hm, buffer); - if (a && STT_OBJECT == type) { - // need to return a pointer to the address for data objects - dynarray_add(&pe_imp, &nb_pe_imp, a); - a = &pe_imp[nb_pe_imp - 1]; - } - } - } - return a; -} -#endif - -#define for_sym_in_symtab(sym) \ -for (sym = (Elf32_Sym *)symtab_section->data + 1; \ - sym < (Elf32_Sym *)(symtab_section->data + \ - symtab_section->data_offset); \ - ++sym) - -#define pe_set_datadir(dir,addr,size) \ - pe_opt_hdr.DataDirectory[dir].VirtualAddress = addr, \ - pe_opt_hdr.DataDirectory[dir].Size = size - -/*----------------------------------------------------------------------------*/ -ST void dynarray_reset(void ***pp, int *n) -{ - int i; - for (i = 0; i < *n; ++i) - tcc_free((*pp)[i]); - tcc_free(*pp); - *pp = NULL; - *n = 0; -} - -ST int dynarray_assoc(void **pp, int n, int key) -{ - int i; - for (i = 0; i < n; ++i, ++pp) - if (key == **(int **) pp) - return i; - return -1; -} - -#if 0 -ST DWORD umin(DWORD a, DWORD b) -{ - return a < b ? a : b; -} -#endif - -ST DWORD umax(DWORD a, DWORD b) -{ - return a < b ? b : a; -} - -ST void pe_fpad(FILE * fp, DWORD new_pos) -{ - DWORD pos = ftell(fp); - while (++pos <= new_pos) - fputc(0, fp); -} - -ST DWORD pe_file_align(DWORD n) -{ - return (n + (0x200 - 1)) & ~(0x200 - 1); -} - -ST DWORD pe_virtual_align(DWORD n) -{ - return (n + (0x1000 - 1)) & ~(0x1000 - 1); -} - -ST void pe_align_section(Section * s, int a) -{ - int i = s->data_offset & (a - 1); - if (i) - section_ptr_add(s, a - i); -} - - -/*----------------------------------------------------------------------------*/ -ST int pe_write_pe(struct pe_info *pe) -{ - int i; - FILE *op; - DWORD file_offset; - IMAGE_SECTION_HEADER ish[pe_sec_number], *psh; - int sec_index = 0; - - op = fopen(pe->filename, "wb"); - if (NULL == op) { - error_noabort("could not create file: %s", pe->filename); - return 1; - } - - memset(&ish, 0, sizeof ish); - - pe->sizeofheaders = pe_file_align(sizeof pe_dos_hdr - + sizeof pe_magic - + sizeof pe_file_hdr - + sizeof pe_opt_hdr - + - pe->sec_count * - sizeof(IMAGE_SECTION_HEADER) - ); - - file_offset = pe->sizeofheaders; - pe_fpad(op, file_offset); - - if (2 == verbose) - printf("-------------------------------" - "\n virt file size section" "\n"); - - for (i = 0; i < pe->sec_count; ++i) { - struct section_info *si = pe->sh_info + i; - const char *sh_name = pe_sec_names[si->id]; - unsigned long addr = si->sh_addr - pe->imagebase; - unsigned long size = si->sh_size; - - if (2 == verbose) - printf("%6lx %6lx %6lx %s\n", - addr, file_offset, size, sh_name); - - switch (si->id) { - case sec_text: - pe_opt_hdr.BaseOfCode = addr; - pe_opt_hdr.AddressOfEntryPoint = addr + pe->start_addr; - break; - - case sec_data: - pe_opt_hdr.BaseOfData = addr; - if (pe->imp_size) { - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IMPORT, - pe->imp_offs + addr, pe->imp_size); - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IAT, - pe->iat_offs + addr, pe->iat_size); - } - if (pe->exp_size) { - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_EXPORT, - pe->exp_offs + addr, pe->exp_size); - } - break; - - case sec_bss: - break; - - case sec_reloc: - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size); - break; - - case sec_rsrc: - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size); - break; - - case sec_stab: - break; - - case sec_stabstr: - break; - } - - psh = &ish[sec_index++]; - strcpy((char *) psh->Name, sh_name); - - psh->Characteristics = pe_flags[si->id]; - psh->VirtualAddress = addr; - psh->Misc.VirtualSize = size; - pe_opt_hdr.SizeOfImage = - umax(psh->VirtualAddress + psh->Misc.VirtualSize, - pe_opt_hdr.SizeOfImage); - - if (si->data_size) { - psh->PointerToRawData = file_offset; - fwrite(si->data, 1, si->data_size, op); - file_offset = pe_file_align(file_offset + si->data_size); - psh->SizeOfRawData = file_offset - psh->PointerToRawData; - pe_fpad(op, file_offset); - } - } - - /*----------------------------------------------------- */ - - pe_file_hdr.NumberOfSections = sec_index; - pe_opt_hdr.SizeOfHeaders = pe->sizeofheaders; - pe_opt_hdr.ImageBase = pe->imagebase; - if (PE_DLL == pe_type) - pe_file_hdr.Characteristics = 0x230E; - else if (PE_GUI != pe_type) - pe_opt_hdr.Subsystem = 3; - - fseek(op, SEEK_SET, 0); - fwrite(&pe_dos_hdr, 1, sizeof pe_dos_hdr, op); - fwrite(&pe_magic, 1, sizeof pe_magic, op); - fwrite(&pe_file_hdr, 1, sizeof pe_file_hdr, op); - fwrite(&pe_opt_hdr, 1, sizeof pe_opt_hdr, op); - for (i = 0; i < sec_index; ++i) - fwrite(&ish[i], 1, sizeof(IMAGE_SECTION_HEADER), op); - fclose(op); - - if (2 == verbose) - printf("-------------------------------\n"); - if (verbose) - printf("<-- %s (%lu bytes)\n", pe->filename, file_offset); - - return 0; -} - -/*----------------------------------------------------------------------------*/ -ST int pe_add_import(struct pe_info *pe, int sym_index, DWORD offset) -{ - int i; - int dll_index; - struct pe_import_info *p; - struct import_symbol *s; - - dll_index = - ((Elf32_Sym *) pe->s1->dynsymtab_section->data)[sym_index]. - st_other; - i = dynarray_assoc((void **) pe->imp_info, pe->imp_count, dll_index); - if (-1 != i) { - p = pe->imp_info[i]; - goto found_dll; - } - p = tcc_mallocz(sizeof *p); - p->dll_index = dll_index; - dynarray_add((void ***) &pe->imp_info, &pe->imp_count, p); - - found_dll: - i = dynarray_assoc((void **) p->symbols, p->sym_count, sym_index); - if (-1 != i) - goto found_sym; - s = tcc_mallocz(sizeof *s); - s->sym_index = sym_index; - s->offset = offset; - dynarray_add((void ***) &p->symbols, &p->sym_count, s); - - found_sym: - return 1; -} - -/*----------------------------------------------------------------------------*/ -ST void pe_build_imports(struct pe_info *pe) -{ - int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i; - DWORD voffset = pe->thunk->sh_addr - pe->imagebase; - int ndlls = pe->imp_count; - - for (sym_cnt = i = 0; i < ndlls; ++i) - sym_cnt += pe->imp_info[i]->sym_count; - - if (0 == sym_cnt) - return; - - pe_align_section(pe->thunk, 16); - - pe->imp_offs = dll_ptr = pe->thunk->data_offset; - pe->imp_size = (ndlls + 1) * sizeof(struct pe_import_header); - pe->iat_offs = dll_ptr + pe->imp_size; - pe->iat_size = (sym_cnt + ndlls) * sizeof(DWORD); - section_ptr_add(pe->thunk, pe->imp_size + 2 * pe->iat_size); - - thk_ptr = pe->iat_offs; - ent_ptr = pe->iat_offs + pe->iat_size; - for (i = 0; i < pe->imp_count; ++i) { - struct pe_import_header *hdr; - int k, n, v; - struct pe_import_info *p = pe->imp_info[i]; - const char *name = pe->s1->loaded_dlls[p->dll_index]->name; - - /* put the dll name into the import header */ - if (0 == strncmp(name, "lib", 3)) - name += 3; - v = put_elf_str(pe->thunk, name); - - hdr = (struct pe_import_header *) (pe->thunk->data + dll_ptr); - hdr->first_thunk = thk_ptr + voffset; - hdr->first_entry = ent_ptr + voffset; - hdr->lib_name_offset = v + voffset; - - for (k = 0, n = p->sym_count; k <= n; ++k) { - if (k < n) { - DWORD offset = p->symbols[k]->offset; - int sym_index = p->symbols[k]->sym_index; - Elf32_Sym *sym = - (Elf32_Sym *) pe->s1->dynsymtab_section->data + - sym_index; - const char *name = - pe->s1->dynsymtab_section->link->data + sym->st_name; - - if (offset & 0x80000000) { /* ref to data */ - Elf32_Sym *sym = - &((Elf32_Sym *) symtab_section-> - data)[offset & 0x7FFFFFFF]; - sym->st_value = thk_ptr; - sym->st_shndx = pe->thunk->sh_num; - } else { /* ref to function */ - - char buffer[100]; - sprintf(buffer, "IAT.%s", name); - sym_index = - put_elf_sym(symtab_section, thk_ptr, sizeof(DWORD), - ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), - 0, pe->thunk->sh_num, buffer); - - put_elf_reloc(symtab_section, text_section, offset, R_386_32, /*R_JMP_SLOT, */ - sym_index); - } - v = pe->thunk->data_offset + voffset; - section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */ - put_elf_str(pe->thunk, name); - } else { - v = 0; // last entry is zero - } - *(DWORD *) (pe->thunk->data + thk_ptr) = - *(DWORD *) (pe->thunk->data + ent_ptr) = v; - thk_ptr += sizeof(DWORD); - ent_ptr += sizeof(DWORD); - } - dll_ptr += sizeof(struct pe_import_header); - dynarray_reset((void ***) &p->symbols, &p->sym_count); - } - dynarray_reset((void ***) &pe->imp_info, &pe->imp_count); -} - -/* ------------------------------------------------------------- */ -ST int sym_cmp(const void *va, const void *vb) -{ - Elf32_Sym *sa = (Elf32_Sym *)symtab_section->data + *(int*)va; - Elf32_Sym *sb = (Elf32_Sym *)symtab_section->data + *(int*)vb; - const char *ca = symtab_section->link->data + sa->st_name; - const char *cb = symtab_section->link->data + sb->st_name; - return strcmp(ca, cb); -} - -ST void pe_build_exports(struct pe_info *pe) -{ - Elf32_Sym *sym; - DWORD func_offset, voffset; - struct pe_export_header *hdr; - int sym_count, n, ord, *sorted; - - voffset = pe->thunk->sh_addr - pe->imagebase; - sym_count = 0, n = 1, sorted = NULL; - - // for simplicity only functions are exported - for_sym_in_symtab(sym) - { - if ((sym->st_other & 1) - && sym->st_shndx == text_section->sh_num) - dynarray_add((void***)&sorted, &sym_count, (void*)n); - ++n; - } - - if (0 == sym_count) - return; - - qsort (sorted, sym_count, sizeof sorted[0], sym_cmp); - pe_align_section(pe->thunk, 16); - - pe->exp_offs = pe->thunk->data_offset; - hdr = section_ptr_add(pe->thunk, - sizeof(struct pe_export_header) + - sym_count * (2 * sizeof(DWORD) + sizeof(WORD))); - - func_offset = pe->exp_offs + sizeof(struct pe_export_header); - - hdr->Characteristics = 0; - hdr->Base = 1; - hdr->NumberOfFunctions = sym_count; - hdr->NumberOfNames = sym_count; - hdr->AddressOfFunctions = func_offset + voffset; - hdr->AddressOfNames = hdr->AddressOfFunctions + sym_count * sizeof(DWORD); - hdr->AddressOfNameOrdinals = hdr->AddressOfNames + sym_count * sizeof(DWORD); - hdr->Name = pe->thunk->data_offset + voffset; - put_elf_str(pe->thunk, tcc_basename(pe->filename)); - - for (ord = 0; ord < sym_count; ++ord) - { - char *name; DWORD *p, *pfunc, *pname; WORD *pord; - sym = (Elf32_Sym *)symtab_section->data + sorted[ord]; - name = symtab_section->link->data + sym->st_name; - p = (DWORD*)(pe->thunk->data + func_offset); - pfunc = p + ord; - pname = p + sym_count + ord; - pord = (WORD *)(p + 2*sym_count) + ord; - *pfunc = sym->st_value + pe->s1->sections[sym->st_shndx]->sh_addr - pe->imagebase; - *pname = pe->thunk->data_offset + voffset; - *pord = ord; - put_elf_str(pe->thunk, name); - /* printf("export: %s\n", name); */ - } - pe->exp_size = pe->thunk->data_offset - pe->exp_offs; - tcc_free(sorted); -} - -/* ------------------------------------------------------------- */ -ST void pe_build_reloc(struct pe_info *pe, int *section_order, - int section_count) -{ - DWORD offset, block_ptr, addr; - int count, i; - Elf32_Rel *rel, *rel_end; - Section *s = NULL, *sr; - offset = addr = block_ptr = count = i = 0; - rel = rel_end = NULL; - for (;;) { - if (rel < rel_end) { - int type = ELF32_R_TYPE(rel->r_info); - addr = rel->r_offset + s->sh_addr; - ++rel; - if (type != R_386_32) - continue; - if (count == 0) { /* new block */ - block_ptr = pe->reloc->data_offset; - section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header)); - offset = addr & 0xFFFFFFFF << 12; - } - if ((addr -= offset) < (1 << 12)) { /* one block spans 4k addresses */ - WORD *wp = section_ptr_add(pe->reloc, sizeof(WORD)); - *wp = addr | IMAGE_REL_BASED_HIGHLOW << 12; - ++count; - continue; - } - --rel; - } else if (i < section_count) { - sr = (s = pe->s1->sections[section_order[i++]])->reloc; - if (sr) { - rel = (Elf32_Rel *) sr->data; - rel_end = (Elf32_Rel *) (sr->data + sr->data_offset); - } - continue; - } - - if (count) { /* store the last block and ready for a new one */ - struct pe_reloc_header *hdr; - if (count & 1) - section_ptr_add(pe->reloc, 2), ++count; - hdr = (struct pe_reloc_header *) (pe->reloc->data + block_ptr); - hdr->offset = offset - pe->imagebase; - hdr->size = - count * sizeof(WORD) + sizeof(struct pe_reloc_header); - count = 0; - } - if (rel >= rel_end) - break; - } -} - -/* ------------------------------------------------------------- */ -ST int pe_assign_addresses(struct pe_info *pe) -{ - int i, k, n; - DWORD addr; - int section_order[pe_sec_number]; - struct section_info *si_data = NULL; - - pe->imagebase = PE_DLL == pe_type ? 0x10000000 : 0x00400000; - addr = pe->imagebase + 1; - - if (PE_DLL == pe_type) - pe->reloc = new_section(pe->s1, ".reloc", SHT_DYNAMIC, SHF_ALLOC); - - for (n = k = 0; n < pe_sec_number; ++n) { - for (i = 1; i < pe->s1->nb_sections; ++i) { - Section *s = pe->s1->sections[i]; - if (0 == strcmp(s->name, pe_sec_names[n])) { - struct section_info *si = &pe->sh_info[pe->sec_count]; -#ifdef PE_MERGE_DATA - if (n == sec_bss && si_data) { - /* append .bss to .data */ - s->sh_addr = addr = ((addr - 1) | 15) + 1; - addr += s->data_offset; - si_data->sh_size = addr - si_data->sh_addr; - } else -#endif - { - si->sh_addr = s->sh_addr = addr = - pe_virtual_align(addr); - si->id = n; - - if (n == sec_data) { - pe->thunk = s; - si_data = si; - pe_build_imports(pe); - pe_build_exports(pe); - } else if (n == sec_reloc) { - pe_build_reloc(pe, section_order, k); - } - - if (s->data_offset) { - if (n != sec_bss) { - si->data = s->data; - si->data_size = s->data_offset; - } - - addr += s->data_offset; - si->sh_size = s->data_offset; - ++pe->sec_count; - } - //printf("Section %08X %04X %s\n", si->sh_addr, si->data_size, s->name); - } - section_order[k] = i, ++k; - } - } - } - return 0; -} - -/*----------------------------------------------------------------------------*/ -ST int pe_check_symbols(struct pe_info *pe) -{ - Elf32_Sym *sym; - int ret = 0; - - pe_align_section(text_section, 8); - - for_sym_in_symtab(sym) { - if (sym->st_shndx == SHN_UNDEF) { - const char *symbol = symtab_section->link->data + sym->st_name; - unsigned type = ELF32_ST_TYPE(sym->st_info); - int sym_index = pe_find_import(pe->s1, symbol, NULL); - if (sym_index) { - if (type == STT_FUNC) { - unsigned long offset = text_section->data_offset; - if (pe_add_import(pe, sym_index, offset + 2)) { - /* add the 'jmp IAT[x]' instruction */ - *(WORD *) section_ptr_add(text_section, 8) = - 0x25FF; - /* patch the symbol */ - sym->st_shndx = text_section->sh_num; - sym->st_value = offset; - continue; - } - } else if (type == STT_OBJECT) { /* data, ptr to that should be */ - if (pe_add_import(pe, sym_index, - (sym - - (Elf32_Sym *) symtab_section->data) | - 0x80000000)) - continue; - } - } - error_noabort("undefined symbol '%s'", symbol); - ret = 1; - } else - if (pe->s1->rdynamic - && ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { - /* if -rdynamic option, then export all non local symbols */ - sym->st_other |= 1; - } - } - return ret; -} - -/*----------------------------------------------------------------------------*/ -#ifdef PE_PRINT_SECTIONS -ST void pe_print_section(FILE * f, Section * s) -{ /* just if you'r curious */ - BYTE *p, *e, b; - int i, n, l, m; - p = s->data; - e = s->data + s->data_offset; - l = e - p; - - fprintf(f, "section \"%s\"", s->name); - if (s->link) - fprintf(f, "\nlink \"%s\"", s->link->name); - if (s->reloc) - fprintf(f, "\nreloc \"%s\"", s->reloc->name); - fprintf(f, "\nv_addr %08X", s->sh_addr); - fprintf(f, "\ncontents %08X", l); - fprintf(f, "\n\n"); - - if (s->sh_type == SHT_NOBITS) - return; - - if (s->sh_type == SHT_SYMTAB) - m = sizeof(Elf32_Sym); - if (s->sh_type == SHT_REL) - m = sizeof(Elf32_Rel); - else - m = 16; - - for (i = 0; i < l;) { - fprintf(f, "%08X", i); - for (n = 0; n < m; ++n) { - if (n + i < l) - fprintf(f, " %02X", p[i + n]); - else - fprintf(f, " "); - } - - if (s->sh_type == SHT_SYMTAB) { - Elf32_Sym *sym = (Elf32_Sym *) (p + i); - const char *name = s->link->data + sym->st_name; - fprintf(f, - " name:%04X" - " value:%04X" - " size:%04X" - " bind:%02X" - " type:%02X" - " other:%02X" - " shndx:%04X" - " \"%s\"", - sym->st_name, - sym->st_value, - sym->st_size, - ELF32_ST_BIND(sym->st_info), - ELF32_ST_TYPE(sym->st_info), - sym->st_other, sym->st_shndx, name); - } else if (s->sh_type == SHT_REL) { - Elf32_Rel *rel = (Elf32_Rel *) (p + i); - Elf32_Sym *sym = - (Elf32_Sym *) s->link->data + ELF32_R_SYM(rel->r_info); - const char *name = s->link->link->data + sym->st_name; - fprintf(f, - " offset:%04X" - " type:%02X" - " symbol:%04X" - " \"%s\"", - rel->r_offset, - ELF32_R_TYPE(rel->r_info), - ELF32_R_SYM(rel->r_info), name); - } else { - fprintf(f, " "); - for (n = 0; n < m; ++n) { - if (n + i < l) { - b = p[i + n]; - if (b < 32 || b >= 127) - b = '.'; - fprintf(f, "%c", b); - } - } - } - i += m; - fprintf(f, "\n"); - } - fprintf(f, "\n\n"); -} -#endif - -static int pe_test_cmd(const char **pp, const char *cmd) -{ - const char *p; - char *q, buf[16]; - int ret; - - p = *pp; - q = buf; - while (*p != '\0' && !is_space(*p)) { - if ((q - buf) < sizeof(buf) - 1) - *q++ = toup(*p); - p++; - } - *q = '\0'; - ret = !strcmp(buf, cmd); - *pp = p; - return ret; -} - -/* ------------------------------------------------------------- */ -int pe_load_def_file(TCCState * s1, FILE * fp) -{ - DLLReference *dllref; - int f = 0, sym_index; - char *p, line[120], dllname[40]; - while (fgets(line, sizeof line, fp)) { - p = strchr(line, 0); - while (p > line && p[-1] <= ' ') - --p; - *p = 0; - p = line; - while (*p && *p <= ' ') - ++p; - - if (*p && ';' != *p) - switch (f) { - case 0: - if (!pe_test_cmd((const char **)&p, "LIBRARY")) - return -1; - while (is_space(*p)) - p++; - pstrcpy(dllname, sizeof(dllname), p); - ++f; - continue; - - case 1: - if (!pe_test_cmd((const char **)&p, "EXPORTS")) - return -1; - ++f; - continue; - - case 2: - dllref = - tcc_malloc(sizeof(DLLReference) + strlen(dllname)); - strcpy(dllref->name, dllname); - dllref->level = 0; - dynarray_add((void ***) &s1->loaded_dlls, - &s1->nb_loaded_dlls, dllref); - ++f; - - default: - /* tccpe needs to know from what dll it should import - the sym */ - sym_index = add_elf_sym(s1->dynsymtab_section, - 0, 0, ELF32_ST_INFO(STB_GLOBAL, - STT_FUNC), - s1->nb_loaded_dlls - 1, - text_section->sh_num, p); - continue; - } - } - return 0; -} - -/* ------------------------------------------------------------- */ -void pe_guess_outfile(char *objfilename, int output_type) -{ - char *ext = strrchr(objfilename, '.'); - if (NULL == ext) - ext = strchr(objfilename, 0); - if (output_type == TCC_OUTPUT_DLL) - strcpy(ext, ".dll"); - else - if (output_type == TCC_OUTPUT_EXE) - strcpy(ext, ".exe"); - else - if (output_type == TCC_OUTPUT_OBJ && strcmp(ext, ".o")) - strcpy(ext, ".o"); - else - error("no outputfile given"); -} - -/* ------------------------------------------------------------- */ -unsigned long pe_add_runtime(TCCState * s1) -{ - const char *start_symbol; - unsigned long addr; - - if (find_elf_sym(symtab_section, "WinMain")) - pe_type = PE_GUI; - else - if (TCC_OUTPUT_DLL == s1->output_type) - { - pe_type = PE_DLL; - // need this for 'tccelf.c:relocate_section()' - s1->output_type = TCC_OUTPUT_EXE; - } - - start_symbol = - TCC_OUTPUT_MEMORY == s1->output_type - ? PE_GUI == pe_type ? "_runwinmain" : NULL - : PE_DLL == pe_type ? "_dllstart" - : PE_GUI == pe_type ? "_winstart" : "_start"; - - /* grab the startup code from libtcc1 */ - if (start_symbol) - add_elf_sym(symtab_section, - 0, 0, - ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, - SHN_UNDEF, start_symbol); - - if (0 == s1->nostdlib) { - tcc_add_library(s1, "tcc1"); - tcc_add_library(s1, "msvcrt"); - if (PE_DLL == pe_type || PE_GUI == pe_type) { - tcc_add_library(s1, "kernel32"); - tcc_add_library(s1, "user32"); - tcc_add_library(s1, "gdi32"); - } - } - - addr = start_symbol ? - (unsigned long) tcc_get_symbol_err(s1, start_symbol) : 0; - - if (s1->output_type == TCC_OUTPUT_MEMORY && addr) { - /* for -run GUI's, put '_runwinmain' instead of 'main' */ - add_elf_sym(symtab_section, - addr, 0, - ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, - text_section->sh_num, "main"); - - /* FreeConsole(); */ - } - return addr; -} - -int tcc_output_pe(TCCState * s1, const char *filename) -{ - int ret; - struct pe_info pe; - int i; - memset(&pe, 0, sizeof pe); - pe.filename = filename; - pe.s1 = s1; - pe.start_addr = pe_add_runtime(s1); - - relocate_common_syms(); /* assign bss adresses */ - ret = pe_check_symbols(&pe); - if (0 == ret) { - pe_assign_addresses(&pe); - relocate_syms(s1, 0); - for (i = 1; i < s1->nb_sections; ++i) { - Section *s = s1->sections[i]; - if (s->reloc) - relocate_section(s1, s); - } - ret = pe_write_pe(&pe); - } -#ifdef PE_PRINT_SECTIONS - { - Section *s; - FILE *f; - f = fopen("tccpe.log", "wt"); - for (i = 1; i < s1->nb_sections; ++i) { - s = s1->sections[i]; - pe_print_section(f, s); - } - pe_print_section(f, s1->dynsymtab_section); - fclose(f); - } -#endif - return ret; -} - -/*----------------------------------------------------------------------------*/
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/win32/tccpe.c Thu May 03 12:10:26 2007 -0400 @@ -0,0 +1,1244 @@ +/* + * TCCPE.C - PE file output for the TinyC Compiler + * + * Copyright (c) 2005 grischka + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +typedef unsigned char BYTE; +typedef unsigned short WORD; +typedef unsigned long DWORD; +#define ST static + +/* XXX: move that to TCC ? */ +int verbose = 0; + +/* definitions below are from winnt.h */ + +typedef struct _IMAGE_DOS_HEADER { /* DOS .EXE header */ + WORD e_magic; /* Magic number */ + WORD e_cblp; /* Bytes on last page of file */ + WORD e_cp; /* Pages in file */ + WORD e_crlc; /* Relocations */ + WORD e_cparhdr; /* Size of header in paragraphs */ + WORD e_minalloc; /* Minimum extra paragraphs needed */ + WORD e_maxalloc; /* Maximum extra paragraphs needed */ + WORD e_ss; /* Initial (relative) SS value */ + WORD e_sp; /* Initial SP value */ + WORD e_csum; /* Checksum */ + WORD e_ip; /* Initial IP value */ + WORD e_cs; /* Initial (relative) CS value */ + WORD e_lfarlc; /* File address of relocation table */ + WORD e_ovno; /* Overlay number */ + WORD e_res[4]; /* Reserved words */ + WORD e_oemid; /* OEM identifier (for e_oeminfo) */ + WORD e_oeminfo; /* OEM information; e_oemid specific */ + WORD e_res2[10]; /* Reserved words */ + DWORD e_lfanew; /* File address of new exe header */ + BYTE e_code[0x40]; + +} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER; + +#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */ +#define SIZE_OF_NT_SIGNATURE 4 + +typedef struct _IMAGE_FILE_HEADER { + WORD Machine; + WORD NumberOfSections; + DWORD TimeDateStamp; + DWORD PointerToSymbolTable; + DWORD NumberOfSymbols; + WORD SizeOfOptionalHeader; + WORD Characteristics; +} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER; + + +#define IMAGE_SIZEOF_FILE_HEADER 20 + +typedef struct _IMAGE_DATA_DIRECTORY { + DWORD VirtualAddress; + DWORD Size; +} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY; + + +typedef struct _IMAGE_OPTIONAL_HEADER { + /* Standard fields. */ + WORD Magic; + BYTE MajorLinkerVersion; + BYTE MinorLinkerVersion; + DWORD SizeOfCode; + DWORD SizeOfInitializedData; + DWORD SizeOfUninitializedData; + DWORD AddressOfEntryPoint; + DWORD BaseOfCode; + DWORD BaseOfData; + + /* NT additional fields. */ + DWORD ImageBase; + DWORD SectionAlignment; + DWORD FileAlignment; + WORD MajorOperatingSystemVersion; + WORD MinorOperatingSystemVersion; + WORD MajorImageVersion; + WORD MinorImageVersion; + WORD MajorSubsystemVersion; + WORD MinorSubsystemVersion; + DWORD Win32VersionValue; + DWORD SizeOfImage; + DWORD SizeOfHeaders; + DWORD CheckSum; + WORD Subsystem; + WORD DllCharacteristics; + DWORD SizeOfStackReserve; + DWORD SizeOfStackCommit; + DWORD SizeOfHeapReserve; + DWORD SizeOfHeapCommit; + DWORD LoaderFlags; + DWORD NumberOfRvaAndSizes; + IMAGE_DATA_DIRECTORY DataDirectory[16]; + +} IMAGE_OPTIONAL_HEADER32, *PIMAGE_OPTIONAL_HEADER32; + + +#define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */ +#define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */ +#define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */ +#define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */ +#define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */ +#define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */ +#define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */ +/* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */ +#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */ +#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */ +#define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */ +#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */ +#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */ +#define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */ +#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */ +#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */ + +/* Section header format. */ +#define IMAGE_SIZEOF_SHORT_NAME 8 + +typedef struct _IMAGE_SECTION_HEADER { + BYTE Name[IMAGE_SIZEOF_SHORT_NAME]; + union { + DWORD PhysicalAddress; + DWORD VirtualSize; + } Misc; + DWORD VirtualAddress; + DWORD SizeOfRawData; + DWORD PointerToRawData; + DWORD PointerToRelocations; + DWORD PointerToLinenumbers; + WORD NumberOfRelocations; + WORD NumberOfLinenumbers; + DWORD Characteristics; +} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER; + +#define IMAGE_SIZEOF_SECTION_HEADER 40 + +/* ----------------------------------------------------------- */ +typedef struct _IMAGE_BASE_RELOCATION { + DWORD VirtualAddress; + DWORD SizeOfBlock; +// WORD TypeOffset[1]; +} IMAGE_BASE_RELOCATION; + +#define IMAGE_SIZEOF_BASE_RELOCATION 8 + +#define IMAGE_REL_BASED_ABSOLUTE 0 +#define IMAGE_REL_BASED_HIGH 1 +#define IMAGE_REL_BASED_LOW 2 +#define IMAGE_REL_BASED_HIGHLOW 3 +#define IMAGE_REL_BASED_HIGHADJ 4 +#define IMAGE_REL_BASED_MIPS_JMPADDR 5 +#define IMAGE_REL_BASED_SECTION 6 +#define IMAGE_REL_BASED_REL32 7 + +/* ----------------------------------------------------------- */ + +/* ----------------------------------------------------------- */ +IMAGE_DOS_HEADER pe_dos_hdr = { + 0x5A4D, /*WORD e_magic; Magic number */ + 0x0090, /*WORD e_cblp; Bytes on last page of file */ + 0x0003, /*WORD e_cp; Pages in file */ + 0x0000, /*WORD e_crlc; Relocations */ + + 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */ + 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */ + 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */ + 0x0000, /*WORD e_ss; Initial (relative) SS value */ + + 0x00B8, /*WORD e_sp; Initial SP value */ + 0x0000, /*WORD e_csum; Checksum */ + 0x0000, /*WORD e_ip; Initial IP value */ + 0x0000, /*WORD e_cs; Initial (relative) CS value */ + 0x0040, /*WORD e_lfarlc; File address of relocation table */ + 0x0000, /*WORD e_ovno; Overlay number */ + {0, 0, 0, 0}, /*WORD e_res[4]; Reserved words */ + 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */ + 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /*WORD e_res2[10]; Reserved words */ + 0x00000080, /*DWORD e_lfanew; File address of new exe header */ + { /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */ + /*0040 */ 0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, 0x21, 0xb8, + 0x01, 0x4c, 0xcd, 0x21, 0x54, 0x68, + /*0050 */ 0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x61, 0x6d, + 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f, + /*0060 */ 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6e, 0x20, 0x69, + 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20, + /*0070 */ 0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x0d, 0x0d, 0x0a, 0x24, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /*0080 */ + } +}; + +DWORD pe_magic = IMAGE_NT_SIGNATURE; + +IMAGE_FILE_HEADER pe_file_hdr = { + 0x014C, /*WORD Machine; */ + 0x0003, /*WORD NumberOfSections; */ + 0x00000000, /*DWORD TimeDateStamp; */ + 0x00000000, /*DWORD PointerToSymbolTable; */ + 0x00000000, /*DWORD NumberOfSymbols; */ + 0x00E0, /*WORD SizeOfOptionalHeader; */ + 0x030F /*WORD Characteristics; */ +}; + +IMAGE_OPTIONAL_HEADER32 pe_opt_hdr = { + /* Standard fields. */ + 0x010B, /*WORD Magic; */ + 0x06, /*BYTE MajorLinkerVersion; */ + 0x00, /*BYTE MinorLinkerVersion; */ + 0x00000000, /*DWORD SizeOfCode; */ + 0x00000000, /*DWORD SizeOfInitializedData; */ + 0x00000000, /*DWORD SizeOfUninitializedData; */ + 0x00000000, /*DWORD AddressOfEntryPoint; */ + 0x00000000, /*DWORD BaseOfCode; */ + 0x00000000, /*DWORD BaseOfData; */ + + /* NT additional fields. */ + 0x00400000, /*DWORD ImageBase; */ + 0x00001000, /*DWORD SectionAlignment; */ + 0x00000200, /*DWORD FileAlignment; */ + 0x0004, /*WORD MajorOperatingSystemVersion; */ + 0x0000, /*WORD MinorOperatingSystemVersion; */ + 0x0000, /*WORD MajorImageVersion; */ + 0x0000, /*WORD MinorImageVersion; */ + 0x0004, /*WORD MajorSubsystemVersion; */ + 0x0000, /*WORD MinorSubsystemVersion; */ + 0x00000000, /*DWORD Win32VersionValue; */ + 0x00000000, /*DWORD SizeOfImage; */ + 0x00000200, /*DWORD SizeOfHeaders; */ + 0x00000000, /*DWORD CheckSum; */ + 0x0002, /*WORD Subsystem; */ + 0x0000, /*WORD DllCharacteristics; */ + 0x00100000, /*DWORD SizeOfStackReserve; */ + 0x00001000, /*DWORD SizeOfStackCommit; */ + 0x00100000, /*DWORD SizeOfHeapReserve; */ + 0x00001000, /*DWORD SizeOfHeapCommit; */ + 0x00000000, /*DWORD LoaderFlags; */ + 0x00000010, /*DWORD NumberOfRvaAndSizes; */ + + /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */ + {{0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, + {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}} +}; + +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ + +struct pe_import_header { + DWORD first_entry; + DWORD time_date; + DWORD forwarder; + DWORD lib_name_offset; + DWORD first_thunk; +}; + +struct pe_export_header { + DWORD Characteristics; + DWORD TimeDateStamp; + DWORD Version; + DWORD Name; + DWORD Base; + DWORD NumberOfFunctions; + DWORD NumberOfNames; + DWORD AddressOfFunctions; + DWORD AddressOfNames; + DWORD AddressOfNameOrdinals; +}; + +struct pe_reloc_header { + DWORD offset; + DWORD size; +}; + +/* ------------------------------------------------------------- */ +/* internal temporary structures */ + +ST const char *pe_sec_names[] = { + ".text", + ".data", + ".bss", + ".rsrc", + ".reloc", + ".stab", + ".stabstr" +}; + +enum { + sec_text = 0, + sec_data, + sec_bss, + sec_rsrc, + sec_reloc, + sec_stab, + sec_stabstr, + pe_sec_number +}; + +ST DWORD pe_flags[] = { + 0x60000020, /* ".text", */ + 0xC0000040, /* ".data", */ + 0xC0000080, /* ".bss", */ + 0x40000040, /* ".rsrc", */ + 0x42000040, /* ".reloc", */ + 0x42000802, /* ".stab", */ + 0x42000802 /* ".stabstr", */ +}; + +struct section_info { + struct section_info *next; + int id; + DWORD sh_addr; + DWORD sh_size; + unsigned char *data; + DWORD data_size; +}; + +struct import_symbol { + int sym_index; + int offset; +}; + +struct pe_import_info { + int dll_index; + int sym_count; + struct import_symbol **symbols; +}; + +struct pe_info { + const char *filename; + DWORD sizeofheaders; + DWORD imagebase; + DWORD start_addr; + DWORD imp_offs; + DWORD imp_size; + DWORD iat_offs; + DWORD iat_size; + DWORD exp_offs; + DWORD exp_size; + struct section_info sh_info[pe_sec_number]; + int sec_count; + struct pe_import_info **imp_info; + int imp_count; + Section *reloc; + Section *thunk; + TCCState *s1; +}; + +/* ------------------------------------------------------------- */ +#define PE_MERGE_DATA +// #define PE_PRINT_SECTIONS + +#ifndef MAX_PATH +#define MAX_PATH 260 +#endif + +void error_noabort(const char *, ...); + +ST char pe_type; + +#define PE_NUL 0 +#define PE_DLL 1 +#define PE_GUI 2 +#define PE_EXE 3 + +ST int pe_find_import(TCCState * s1, const char *symbol, char *ret) +{ + int sym_index = find_elf_sym(s1->dynsymtab_section, symbol); + if (0 == sym_index) { + /* Hm, maybe it's '_symbol' instead of 'symbol' or '__imp__symbol' */ + char buffer[100]; + if (0 == memcmp(symbol, "__imp__", 7)) + symbol += 6; + else + buffer[0] = '_', strcpy(buffer + 1, symbol), symbol = buffer; + sym_index = find_elf_sym(s1->dynsymtab_section, symbol); + } + if (ret) + strcpy(ret, symbol); + return sym_index; +} + +#ifdef WIN32 +ST void **pe_imp; +ST int nb_pe_imp; + +void *resolve_sym(struct TCCState *s1, const char *symbol, int type) +{ + char buffer[100], *p = buffer; + void *a = NULL; + int sym_index = pe_find_import(s1, symbol, p); + int dll_index; + const char *dll_name; + void *hm; + + if (sym_index) { + dll_index = ((Elf32_Sym *) s1->dynsymtab_section->data)[sym_index]. + st_other; + dll_name = s1->loaded_dlls[dll_index]->name; + hm = GetModuleHandleA(dll_name); + if (NULL == hm) + hm = LoadLibraryA(dll_name); + if (hm) { + a = GetProcAddress(hm, buffer); + if (a && STT_OBJECT == type) { + // need to return a pointer to the address for data objects + dynarray_add(&pe_imp, &nb_pe_imp, a); + a = &pe_imp[nb_pe_imp - 1]; + } + } + } + return a; +} +#endif + +#define for_sym_in_symtab(sym) \ +for (sym = (Elf32_Sym *)symtab_section->data + 1; \ + sym < (Elf32_Sym *)(symtab_section->data + \ + symtab_section->data_offset); \ + ++sym) + +#define pe_set_datadir(dir,addr,size) \ + pe_opt_hdr.DataDirectory[dir].VirtualAddress = addr, \ + pe_opt_hdr.DataDirectory[dir].Size = size + +/*----------------------------------------------------------------------------*/ +ST void dynarray_reset(void ***pp, int *n) +{ + int i; + for (i = 0; i < *n; ++i) + tcc_free((*pp)[i]); + tcc_free(*pp); + *pp = NULL; + *n = 0; +} + +ST int dynarray_assoc(void **pp, int n, int key) +{ + int i; + for (i = 0; i < n; ++i, ++pp) + if (key == **(int **) pp) + return i; + return -1; +} + +#if 0 +ST DWORD umin(DWORD a, DWORD b) +{ + return a < b ? a : b; +} +#endif + +ST DWORD umax(DWORD a, DWORD b) +{ + return a < b ? b : a; +} + +ST void pe_fpad(FILE * fp, DWORD new_pos) +{ + DWORD pos = ftell(fp); + while (++pos <= new_pos) + fputc(0, fp); +} + +ST DWORD pe_file_align(DWORD n) +{ + return (n + (0x200 - 1)) & ~(0x200 - 1); +} + +ST DWORD pe_virtual_align(DWORD n) +{ + return (n + (0x1000 - 1)) & ~(0x1000 - 1); +} + +ST void pe_align_section(Section * s, int a) +{ + int i = s->data_offset & (a - 1); + if (i) + section_ptr_add(s, a - i); +} + + +/*----------------------------------------------------------------------------*/ +ST int pe_write_pe(struct pe_info *pe) +{ + int i; + FILE *op; + DWORD file_offset; + IMAGE_SECTION_HEADER ish[pe_sec_number], *psh; + int sec_index = 0; + + op = fopen(pe->filename, "wb"); + if (NULL == op) { + error_noabort("could not create file: %s", pe->filename); + return 1; + } + + memset(&ish, 0, sizeof ish); + + pe->sizeofheaders = pe_file_align(sizeof pe_dos_hdr + + sizeof pe_magic + + sizeof pe_file_hdr + + sizeof pe_opt_hdr + + + pe->sec_count * + sizeof(IMAGE_SECTION_HEADER) + ); + + file_offset = pe->sizeofheaders; + pe_fpad(op, file_offset); + + if (2 == verbose) + printf("-------------------------------" + "\n virt file size section" "\n"); + + for (i = 0; i < pe->sec_count; ++i) { + struct section_info *si = pe->sh_info + i; + const char *sh_name = pe_sec_names[si->id]; + unsigned long addr = si->sh_addr - pe->imagebase; + unsigned long size = si->sh_size; + + if (2 == verbose) + printf("%6lx %6lx %6lx %s\n", + addr, file_offset, size, sh_name); + + switch (si->id) { + case sec_text: + pe_opt_hdr.BaseOfCode = addr; + pe_opt_hdr.AddressOfEntryPoint = addr + pe->start_addr; + break; + + case sec_data: + pe_opt_hdr.BaseOfData = addr; + if (pe->imp_size) { + pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IMPORT, + pe->imp_offs + addr, pe->imp_size); + pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IAT, + pe->iat_offs + addr, pe->iat_size); + } + if (pe->exp_size) { + pe_set_datadir(IMAGE_DIRECTORY_ENTRY_EXPORT, + pe->exp_offs + addr, pe->exp_size); + } + break; + + case sec_bss: + break; + + case sec_reloc: + pe_set_datadir(IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size); + break; + + case sec_rsrc: + pe_set_datadir(IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size); + break; + + case sec_stab: + break; + + case sec_stabstr: + break; + } + + psh = &ish[sec_index++]; + strcpy((char *) psh->Name, sh_name); + + psh->Characteristics = pe_flags[si->id]; + psh->VirtualAddress = addr; + psh->Misc.VirtualSize = size; + pe_opt_hdr.SizeOfImage = + umax(psh->VirtualAddress + psh->Misc.VirtualSize, + pe_opt_hdr.SizeOfImage); + + if (si->data_size) { + psh->PointerToRawData = file_offset; + fwrite(si->data, 1, si->data_size, op); + file_offset = pe_file_align(file_offset + si->data_size); + psh->SizeOfRawData = file_offset - psh->PointerToRawData; + pe_fpad(op, file_offset); + } + } + + /*----------------------------------------------------- */ + + pe_file_hdr.NumberOfSections = sec_index; + pe_opt_hdr.SizeOfHeaders = pe->sizeofheaders; + pe_opt_hdr.ImageBase = pe->imagebase; + if (PE_DLL == pe_type) + pe_file_hdr.Characteristics = 0x230E; + else if (PE_GUI != pe_type) + pe_opt_hdr.Subsystem = 3; + + fseek(op, SEEK_SET, 0); + fwrite(&pe_dos_hdr, 1, sizeof pe_dos_hdr, op); + fwrite(&pe_magic, 1, sizeof pe_magic, op); + fwrite(&pe_file_hdr, 1, sizeof pe_file_hdr, op); + fwrite(&pe_opt_hdr, 1, sizeof pe_opt_hdr, op); + for (i = 0; i < sec_index; ++i) + fwrite(&ish[i], 1, sizeof(IMAGE_SECTION_HEADER), op); + fclose(op); + + if (2 == verbose) + printf("-------------------------------\n"); + if (verbose) + printf("<-- %s (%lu bytes)\n", pe->filename, file_offset); + + return 0; +} + +/*----------------------------------------------------------------------------*/ +ST int pe_add_import(struct pe_info *pe, int sym_index, DWORD offset) +{ + int i; + int dll_index; + struct pe_import_info *p; + struct import_symbol *s; + + dll_index = + ((Elf32_Sym *) pe->s1->dynsymtab_section->data)[sym_index]. + st_other; + i = dynarray_assoc((void **) pe->imp_info, pe->imp_count, dll_index); + if (-1 != i) { + p = pe->imp_info[i]; + goto found_dll; + } + p = tcc_mallocz(sizeof *p); + p->dll_index = dll_index; + dynarray_add((void ***) &pe->imp_info, &pe->imp_count, p); + + found_dll: + i = dynarray_assoc((void **) p->symbols, p->sym_count, sym_index); + if (-1 != i) + goto found_sym; + s = tcc_mallocz(sizeof *s); + s->sym_index = sym_index; + s->offset = offset; + dynarray_add((void ***) &p->symbols, &p->sym_count, s); + + found_sym: + return 1; +} + +/*----------------------------------------------------------------------------*/ +ST void pe_build_imports(struct pe_info *pe) +{ + int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i; + DWORD voffset = pe->thunk->sh_addr - pe->imagebase; + int ndlls = pe->imp_count; + + for (sym_cnt = i = 0; i < ndlls; ++i) + sym_cnt += pe->imp_info[i]->sym_count; + + if (0 == sym_cnt) + return; + + pe_align_section(pe->thunk, 16); + + pe->imp_offs = dll_ptr = pe->thunk->data_offset; + pe->imp_size = (ndlls + 1) * sizeof(struct pe_import_header); + pe->iat_offs = dll_ptr + pe->imp_size; + pe->iat_size = (sym_cnt + ndlls) * sizeof(DWORD); + section_ptr_add(pe->thunk, pe->imp_size + 2 * pe->iat_size); + + thk_ptr = pe->iat_offs; + ent_ptr = pe->iat_offs + pe->iat_size; + for (i = 0; i < pe->imp_count; ++i) { + struct pe_import_header *hdr; + int k, n, v; + struct pe_import_info *p = pe->imp_info[i]; + const char *name = pe->s1->loaded_dlls[p->dll_index]->name; + + /* put the dll name into the import header */ + if (0 == strncmp(name, "lib", 3)) + name += 3; + v = put_elf_str(pe->thunk, name); + + hdr = (struct pe_import_header *) (pe->thunk->data + dll_ptr); + hdr->first_thunk = thk_ptr + voffset; + hdr->first_entry = ent_ptr + voffset; + hdr->lib_name_offset = v + voffset; + + for (k = 0, n = p->sym_count; k <= n; ++k) { + if (k < n) { + DWORD offset = p->symbols[k]->offset; + int sym_index = p->symbols[k]->sym_index; + Elf32_Sym *sym = + (Elf32_Sym *) pe->s1->dynsymtab_section->data + + sym_index; + const char *name = + pe->s1->dynsymtab_section->link->data + sym->st_name; + + if (offset & 0x80000000) { /* ref to data */ + Elf32_Sym *sym = + &((Elf32_Sym *) symtab_section-> + data)[offset & 0x7FFFFFFF]; + sym->st_value = thk_ptr; + sym->st_shndx = pe->thunk->sh_num; + } else { /* ref to function */ + + char buffer[100]; + sprintf(buffer, "IAT.%s", name); + sym_index = + put_elf_sym(symtab_section, thk_ptr, sizeof(DWORD), + ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), + 0, pe->thunk->sh_num, buffer); + + put_elf_reloc(symtab_section, text_section, offset, R_386_32, /*R_JMP_SLOT, */ + sym_index); + } + v = pe->thunk->data_offset + voffset; + section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */ + put_elf_str(pe->thunk, name); + } else { + v = 0; // last entry is zero + } + *(DWORD *) (pe->thunk->data + thk_ptr) = + *(DWORD *) (pe->thunk->data + ent_ptr) = v; + thk_ptr += sizeof(DWORD); + ent_ptr += sizeof(DWORD); + } + dll_ptr += sizeof(struct pe_import_header); + dynarray_reset((void ***) &p->symbols, &p->sym_count); + } + dynarray_reset((void ***) &pe->imp_info, &pe->imp_count); +} + +/* ------------------------------------------------------------- */ +ST int sym_cmp(const void *va, const void *vb) +{ + Elf32_Sym *sa = (Elf32_Sym *)symtab_section->data + *(int*)va; + Elf32_Sym *sb = (Elf32_Sym *)symtab_section->data + *(int*)vb; + const char *ca = symtab_section->link->data + sa->st_name; + const char *cb = symtab_section->link->data + sb->st_name; + return strcmp(ca, cb); +} + +ST void pe_build_exports(struct pe_info *pe) +{ + Elf32_Sym *sym; + DWORD func_offset, voffset; + struct pe_export_header *hdr; + int sym_count, n, ord, *sorted; + + voffset = pe->thunk->sh_addr - pe->imagebase; + sym_count = 0, n = 1, sorted = NULL; + + // for simplicity only functions are exported + for_sym_in_symtab(sym) + { + if ((sym->st_other & 1) + && sym->st_shndx == text_section->sh_num) + dynarray_add((void***)&sorted, &sym_count, (void*)n); + ++n; + } + + if (0 == sym_count) + return; + + qsort (sorted, sym_count, sizeof sorted[0], sym_cmp); + pe_align_section(pe->thunk, 16); + + pe->exp_offs = pe->thunk->data_offset; + hdr = section_ptr_add(pe->thunk, + sizeof(struct pe_export_header) + + sym_count * (2 * sizeof(DWORD) + sizeof(WORD))); + + func_offset = pe->exp_offs + sizeof(struct pe_export_header); + + hdr->Characteristics = 0; + hdr->Base = 1; + hdr->NumberOfFunctions = sym_count; + hdr->NumberOfNames = sym_count; + hdr->AddressOfFunctions = func_offset + voffset; + hdr->AddressOfNames = hdr->AddressOfFunctions + sym_count * sizeof(DWORD); + hdr->AddressOfNameOrdinals = hdr->AddressOfNames + sym_count * sizeof(DWORD); + hdr->Name = pe->thunk->data_offset + voffset; + put_elf_str(pe->thunk, tcc_basename(pe->filename)); + + for (ord = 0; ord < sym_count; ++ord) + { + char *name; DWORD *p, *pfunc, *pname; WORD *pord; + sym = (Elf32_Sym *)symtab_section->data + sorted[ord]; + name = symtab_section->link->data + sym->st_name; + p = (DWORD*)(pe->thunk->data + func_offset); + pfunc = p + ord; + pname = p + sym_count + ord; + pord = (WORD *)(p + 2*sym_count) + ord; + *pfunc = sym->st_value + pe->s1->sections[sym->st_shndx]->sh_addr - pe->imagebase; + *pname = pe->thunk->data_offset + voffset; + *pord = ord; + put_elf_str(pe->thunk, name); + /* printf("export: %s\n", name); */ + } + pe->exp_size = pe->thunk->data_offset - pe->exp_offs; + tcc_free(sorted); +} + +/* ------------------------------------------------------------- */ +ST void pe_build_reloc(struct pe_info *pe, int *section_order, + int section_count) +{ + DWORD offset, block_ptr, addr; + int count, i; + Elf32_Rel *rel, *rel_end; + Section *s = NULL, *sr; + offset = addr = block_ptr = count = i = 0; + rel = rel_end = NULL; + for (;;) { + if (rel < rel_end) { + int type = ELF32_R_TYPE(rel->r_info); + addr = rel->r_offset + s->sh_addr; + ++rel; + if (type != R_386_32) + continue; + if (count == 0) { /* new block */ + block_ptr = pe->reloc->data_offset; + section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header)); + offset = addr & 0xFFFFFFFF << 12; + } + if ((addr -= offset) < (1 << 12)) { /* one block spans 4k addresses */ + WORD *wp = section_ptr_add(pe->reloc, sizeof(WORD)); + *wp = addr | IMAGE_REL_BASED_HIGHLOW << 12; + ++count; + continue; + } + --rel; + } else if (i < section_count) { + sr = (s = pe->s1->sections[section_order[i++]])->reloc; + if (sr) { + rel = (Elf32_Rel *) sr->data; + rel_end = (Elf32_Rel *) (sr->data + sr->data_offset); + } + continue; + } + + if (count) { /* store the last block and ready for a new one */ + struct pe_reloc_header *hdr; + if (count & 1) + section_ptr_add(pe->reloc, 2), ++count; + hdr = (struct pe_reloc_header *) (pe->reloc->data + block_ptr); + hdr->offset = offset - pe->imagebase; + hdr->size = + count * sizeof(WORD) + sizeof(struct pe_reloc_header); + count = 0; + } + if (rel >= rel_end) + break; + } +} + +/* ------------------------------------------------------------- */ +ST int pe_assign_addresses(struct pe_info *pe) +{ + int i, k, n; + DWORD addr; + int section_order[pe_sec_number]; + struct section_info *si_data = NULL; + + pe->imagebase = PE_DLL == pe_type ? 0x10000000 : 0x00400000; + addr = pe->imagebase + 1; + + if (PE_DLL == pe_type) + pe->reloc = new_section(pe->s1, ".reloc", SHT_DYNAMIC, SHF_ALLOC); + + for (n = k = 0; n < pe_sec_number; ++n) { + for (i = 1; i < pe->s1->nb_sections; ++i) { + Section *s = pe->s1->sections[i]; + if (0 == strcmp(s->name, pe_sec_names[n])) { + struct section_info *si = &pe->sh_info[pe->sec_count]; +#ifdef PE_MERGE_DATA + if (n == sec_bss && si_data) { + /* append .bss to .data */ + s->sh_addr = addr = ((addr - 1) | 15) + 1; + addr += s->data_offset; + si_data->sh_size = addr - si_data->sh_addr; + } else +#endif + { + si->sh_addr = s->sh_addr = addr = + pe_virtual_align(addr); + si->id = n; + + if (n == sec_data) { + pe->thunk = s; + si_data = si; + pe_build_imports(pe); + pe_build_exports(pe); + } else if (n == sec_reloc) { + pe_build_reloc(pe, section_order, k); + } + + if (s->data_offset) { + if (n != sec_bss) { + si->data = s->data; + si->data_size = s->data_offset; + } + + addr += s->data_offset; + si->sh_size = s->data_offset; + ++pe->sec_count; + } + //printf("Section %08X %04X %s\n", si->sh_addr, si->data_size, s->name); + } + section_order[k] = i, ++k; + } + } + } + return 0; +} + +/*----------------------------------------------------------------------------*/ +ST int pe_check_symbols(struct pe_info *pe) +{ + Elf32_Sym *sym; + int ret = 0; + + pe_align_section(text_section, 8); + + for_sym_in_symtab(sym) { + if (sym->st_shndx == SHN_UNDEF) { + const char *symbol = symtab_section->link->data + sym->st_name; + unsigned type = ELF32_ST_TYPE(sym->st_info); + int sym_index = pe_find_import(pe->s1, symbol, NULL); + if (sym_index) { + if (type == STT_FUNC) { + unsigned long offset = text_section->data_offset; + if (pe_add_import(pe, sym_index, offset + 2)) { + /* add the 'jmp IAT[x]' instruction */ + *(WORD *) section_ptr_add(text_section, 8) = + 0x25FF; + /* patch the symbol */ + sym->st_shndx = text_section->sh_num; + sym->st_value = offset; + continue; + } + } else if (type == STT_OBJECT) { /* data, ptr to that should be */ + if (pe_add_import(pe, sym_index, + (sym - + (Elf32_Sym *) symtab_section->data) | + 0x80000000)) + continue; + } + } + error_noabort("undefined symbol '%s'", symbol); + ret = 1; + } else + if (pe->s1->rdynamic + && ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { + /* if -rdynamic option, then export all non local symbols */ + sym->st_other |= 1; + } + } + return ret; +} + +/*----------------------------------------------------------------------------*/ +#ifdef PE_PRINT_SECTIONS +ST void pe_print_section(FILE * f, Section * s) +{ /* just if you'r curious */ + BYTE *p, *e, b; + int i, n, l, m; + p = s->data; + e = s->data + s->data_offset; + l = e - p; + + fprintf(f, "section \"%s\"", s->name); + if (s->link) + fprintf(f, "\nlink \"%s\"", s->link->name); + if (s->reloc) + fprintf(f, "\nreloc \"%s\"", s->reloc->name); + fprintf(f, "\nv_addr %08X", s->sh_addr); + fprintf(f, "\ncontents %08X", l); + fprintf(f, "\n\n"); + + if (s->sh_type == SHT_NOBITS) + return; + + if (s->sh_type == SHT_SYMTAB) + m = sizeof(Elf32_Sym); + if (s->sh_type == SHT_REL) + m = sizeof(Elf32_Rel); + else + m = 16; + + for (i = 0; i < l;) { + fprintf(f, "%08X", i); + for (n = 0; n < m; ++n) { + if (n + i < l) + fprintf(f, " %02X", p[i + n]); + else + fprintf(f, " "); + } + + if (s->sh_type == SHT_SYMTAB) { + Elf32_Sym *sym = (Elf32_Sym *) (p + i); + const char *name = s->link->data + sym->st_name; + fprintf(f, + " name:%04X" + " value:%04X" + " size:%04X" + " bind:%02X" + " type:%02X" + " other:%02X" + " shndx:%04X" + " \"%s\"", + sym->st_name, + sym->st_value, + sym->st_size, + ELF32_ST_BIND(sym->st_info), + ELF32_ST_TYPE(sym->st_info), + sym->st_other, sym->st_shndx, name); + } else if (s->sh_type == SHT_REL) { + Elf32_Rel *rel = (Elf32_Rel *) (p + i); + Elf32_Sym *sym = + (Elf32_Sym *) s->link->data + ELF32_R_SYM(rel->r_info); + const char *name = s->link->link->data + sym->st_name; + fprintf(f, + " offset:%04X" + " type:%02X" + " symbol:%04X" + " \"%s\"", + rel->r_offset, + ELF32_R_TYPE(rel->r_info), + ELF32_R_SYM(rel->r_info), name); + } else { + fprintf(f, " "); + for (n = 0; n < m; ++n) { + if (n + i < l) { + b = p[i + n]; + if (b < 32 || b >= 127) + b = '.'; + fprintf(f, "%c", b); + } + } + } + i += m; + fprintf(f, "\n"); + } + fprintf(f, "\n\n"); +} +#endif + +static int pe_test_cmd(const char **pp, const char *cmd) +{ + const char *p; + char *q, buf[16]; + int ret; + + p = *pp; + q = buf; + while (*p != '\0' && !is_space(*p)) { + if ((q - buf) < sizeof(buf) - 1) + *q++ = toup(*p); + p++; + } + *q = '\0'; + ret = !strcmp(buf, cmd); + *pp = p; + return ret; +} + +/* ------------------------------------------------------------- */ +int pe_load_def_file(TCCState * s1, FILE * fp) +{ + DLLReference *dllref; + int f = 0, sym_index; + char *p, line[120], dllname[40]; + while (fgets(line, sizeof line, fp)) { + p = strchr(line, 0); + while (p > line && p[-1] <= ' ') + --p; + *p = 0; + p = line; + while (*p && *p <= ' ') + ++p; + + if (*p && ';' != *p) + switch (f) { + case 0: + if (!pe_test_cmd((const char **)&p, "LIBRARY")) + return -1; + while (is_space(*p)) + p++; + pstrcpy(dllname, sizeof(dllname), p); + ++f; + continue; + + case 1: + if (!pe_test_cmd((const char **)&p, "EXPORTS")) + return -1; + ++f; + continue; + + case 2: + dllref = + tcc_malloc(sizeof(DLLReference) + strlen(dllname)); + strcpy(dllref->name, dllname); + dllref->level = 0; + dynarray_add((void ***) &s1->loaded_dlls, + &s1->nb_loaded_dlls, dllref); + ++f; + + default: + /* tccpe needs to know from what dll it should import + the sym */ + sym_index = add_elf_sym(s1->dynsymtab_section, + 0, 0, ELF32_ST_INFO(STB_GLOBAL, + STT_FUNC), + s1->nb_loaded_dlls - 1, + text_section->sh_num, p); + continue; + } + } + return 0; +} + +/* ------------------------------------------------------------- */ +void pe_guess_outfile(char *objfilename, int output_type) +{ + char *ext = strrchr(objfilename, '.'); + if (NULL == ext) + ext = strchr(objfilename, 0); + if (output_type == TCC_OUTPUT_DLL) + strcpy(ext, ".dll"); + else + if (output_type == TCC_OUTPUT_EXE) + strcpy(ext, ".exe"); + else + if (output_type == TCC_OUTPUT_OBJ && strcmp(ext, ".o")) + strcpy(ext, ".o"); + else + error("no outputfile given"); +} + +/* ------------------------------------------------------------- */ +unsigned long pe_add_runtime(TCCState * s1) +{ + const char *start_symbol; + unsigned long addr; + + if (find_elf_sym(symtab_section, "WinMain")) + pe_type = PE_GUI; + else + if (TCC_OUTPUT_DLL == s1->output_type) + { + pe_type = PE_DLL; + // need this for 'tccelf.c:relocate_section()' + s1->output_type = TCC_OUTPUT_EXE; + } + + start_symbol = + TCC_OUTPUT_MEMORY == s1->output_type + ? PE_GUI == pe_type ? "_runwinmain" : NULL + : PE_DLL == pe_type ? "_dllstart" + : PE_GUI == pe_type ? "_winstart" : "_start"; + + /* grab the startup code from libtcc1 */ + if (start_symbol) + add_elf_sym(symtab_section, + 0, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + SHN_UNDEF, start_symbol); + + if (0 == s1->nostdlib) { + tcc_add_library(s1, "tcc1"); + tcc_add_library(s1, "msvcrt"); + if (PE_DLL == pe_type || PE_GUI == pe_type) { + tcc_add_library(s1, "kernel32"); + tcc_add_library(s1, "user32"); + tcc_add_library(s1, "gdi32"); + } + } + + addr = start_symbol ? + (unsigned long) tcc_get_symbol_err(s1, start_symbol) : 0; + + if (s1->output_type == TCC_OUTPUT_MEMORY && addr) { + /* for -run GUI's, put '_runwinmain' instead of 'main' */ + add_elf_sym(symtab_section, + addr, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + text_section->sh_num, "main"); + + /* FreeConsole(); */ + } + return addr; +} + +int tcc_output_pe(TCCState * s1, const char *filename) +{ + int ret; + struct pe_info pe; + int i; + memset(&pe, 0, sizeof pe); + pe.filename = filename; + pe.s1 = s1; + pe.start_addr = pe_add_runtime(s1); + + relocate_common_syms(); /* assign bss adresses */ + ret = pe_check_symbols(&pe); + if (0 == ret) { + pe_assign_addresses(&pe); + relocate_syms(s1, 0); + for (i = 1; i < s1->nb_sections; ++i) { + Section *s = s1->sections[i]; + if (s->reloc) + relocate_section(s1, s); + } + ret = pe_write_pe(&pe); + } +#ifdef PE_PRINT_SECTIONS + { + Section *s; + FILE *f; + f = fopen("tccpe.log", "wt"); + for (i = 1; i < s1->nb_sections; ++i) { + s = s1->sections[i]; + pe_print_section(f, s); + } + pe_print_section(f, s1->dynsymtab_section); + fclose(f); + } +#endif + return ret; +} + +/*----------------------------------------------------------------------------*/