procuding a (non-working) executable for tcc

1 files changed, 1559 insertions, 0 deletions

diff --git a/05/tcc-0.9.25/tccpe.c b/05/tcc-0.9.25/tccpe.c
new file mode 100644
index 0000000..1e3fdb3
--- /dev/null
+++ b/05/tcc-0.9.25/tccpe.c
@@ -0,0 +1,1559 @@
+/*
+ *  TCCPE.C - PE file output for the Tiny C Compiler
+ *
+ *  Copyright (c) 2005-2007 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
+ */
+
+#ifdef TCC_TARGET_PE
+
+#define ST_FN static
+#define ST_DATA static
+#define PUB_FN
+
+#ifndef _WIN32
+#define stricmp strcasecmp
+#define strnicmp strncasecmp
+#endif
+
+#ifndef MAX_PATH
+#define MAX_PATH 260
+#endif
+
+#define PE_MERGE_DATA
+// #define PE_PRINT_SECTIONS
+
+/* ----------------------------------------------------------- */
+#ifndef IMAGE_NT_SIGNATURE
+/* ----------------------------------------------------------- */
+/* definitions below are from winnt.h */
+
+typedef unsigned char BYTE;
+typedef unsigned short WORD;
+typedef unsigned long DWORD;
+#pragma pack(push, 1)
+
+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 */
+} 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_HEADER, *PIMAGE_OPTIONAL_HEADER;
+
+
+#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
+
+#pragma pack(pop)
+
+/* ----------------------------------------------------------- */
+#endif /* ndef IMAGE_NT_SIGNATURE */
+/* ----------------------------------------------------------- */
+
+#pragma pack(push, 1)
+
+struct pe_header
+{
+    IMAGE_DOS_HEADER doshdr;
+    BYTE dosstub[0x40];
+    DWORD nt_sig;
+    IMAGE_FILE_HEADER filehdr;
+    IMAGE_OPTIONAL_HEADER opthdr;
+};
+
+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;
+};
+
+struct pe_rsrc_header {
+    struct _IMAGE_FILE_HEADER filehdr;
+    struct _IMAGE_SECTION_HEADER sectionhdr;
+};
+
+struct pe_rsrc_reloc {
+    DWORD offset;
+    DWORD size;
+    WORD type;
+};
+
+#pragma pack(pop)
+
+/* ----------------------------------------------------------- */
+ST_DATA struct pe_header pe_header = {
+{
+    /* IMAGE_DOS_HEADER doshdr */
+    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 */
+},{
+    /* BYTE dosstub[0x40] */
+    /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
+    0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
+    0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
+    0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
+    0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+},
+    0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
+{
+    /* IMAGE_FILE_HEADER filehdr */
+    0x014C, /*WORD    Machine; */
+    0x0003, /*WORD    NumberOfSections; */
+    0x00000000, /*DWORD   TimeDateStamp; */
+    0x00000000, /*DWORD   PointerToSymbolTable; */
+    0x00000000, /*DWORD   NumberOfSymbols; */
+    0x00E0, /*WORD    SizeOfOptionalHeader; */
+    0x030F  /*WORD    Characteristics; */
+},{
+    /* IMAGE_OPTIONAL_HEADER opthdr */
+    /* 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}}
+}};
+
+/* ------------------------------------------------------------- */
+/* internal temporary structures */
+
+/*
+#define IMAGE_SCN_CNT_CODE                  0x00000020
+#define IMAGE_SCN_CNT_INITIALIZED_DATA      0x00000040
+#define IMAGE_SCN_CNT_UNINITIALIZED_DATA    0x00000080
+#define IMAGE_SCN_MEM_DISCARDABLE           0x02000000
+#define IMAGE_SCN_MEM_SHARED                0x10000000
+#define IMAGE_SCN_MEM_EXECUTE               0x20000000
+#define IMAGE_SCN_MEM_READ                  0x40000000
+#define IMAGE_SCN_MEM_WRITE                 0x80000000
+*/
+
+enum {
+    sec_text = 0,
+    sec_data ,
+    sec_bss ,
+    sec_idata ,
+    sec_other ,
+    sec_rsrc ,
+    sec_stab ,
+    sec_reloc ,
+    sec_last
+};
+
+ST_DATA DWORD pe_sec_flags[] = {
+    0x60000020, /* ".text"     , */
+    0xC0000040, /* ".data"     , */
+    0xC0000080, /* ".bss"      , */
+    0x40000040, /* ".idata"    , */
+    0xE0000060, /* < other >   , */
+    0x40000040, /* ".rsrc"     , */
+    0x42000802, /* ".stab"     , */
+    0x42000040, /* ".reloc"    , */
+};
+
+struct section_info {
+    int cls, ord;
+    char name[32];
+    DWORD sh_addr;
+    DWORD sh_size;
+    DWORD sh_flags;
+    unsigned char *data;
+    DWORD data_size;
+    IMAGE_SECTION_HEADER ish;
+};
+
+struct import_symbol {
+    int sym_index;
+    int iat_index;
+    int thk_offset;
+};
+
+struct pe_import_info {
+    int dll_index;
+    int sym_count;
+    struct import_symbol **symbols;
+};
+
+struct pe_info {
+    TCCState *s1;
+    Section *reloc;
+    Section *thunk;
+    const char *filename;
+    int type;
+    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 *sec_info;
+    int sec_count;
+    struct pe_import_info **imp_info;
+    int imp_count;
+};
+
+/* ------------------------------------------------------------- */
+
+#define PE_NUL 0
+#define PE_DLL 1
+#define PE_GUI 2
+#define PE_EXE 3
+
+void error_noabort(const char *, ...);
+
+#ifdef _WIN32
+void dbg_printf (const char *fmt, ...)
+{
+    char buffer[4000];
+    va_list arg;
+    int x;
+    va_start(arg, fmt);
+    x = vsprintf (buffer, fmt, arg);
+    strcpy(buffer+x, "\n");
+    OutputDebugString(buffer);
+}
+#endif
+
+/* --------------------------------------------*/
+
+ST_FN const char* get_alt_symbol(char *buffer, const char *symbol)
+{
+    const char *p;
+    p = strrchr(symbol, '@');
+    if (p && isnum(p[1]) && symbol[0] == '_') { /* stdcall decor */
+        strcpy(buffer, symbol+1)[p-symbol-1] = 0;
+    } else if (symbol[0] != '_') { /* try non-ansi function */
+        buffer[0] = '_', strcpy(buffer + 1, symbol);
+    } else if (0 == memcmp(symbol, "__imp__", 7)) { /* mingw 2.0 */
+        strcpy(buffer, symbol + 6);
+    } else if (0 == memcmp(symbol, "_imp___", 7)) { /* mingw 3.7 */
+        strcpy(buffer, symbol + 6);
+    } else {
+        return symbol;
+    }
+    return buffer;
+}
+
+ST_FN int pe_find_import(TCCState * s1, const char *symbol)
+{
+    char buffer[200];
+    const char *s;
+    int sym_index, n = 0;
+    do {
+        s = n ? get_alt_symbol(buffer, symbol) : symbol;
+        sym_index = find_elf_sym(s1->dynsymtab_section, s);
+        // printf("find %d %s\n", sym_index, s);
+    } while (0 == sym_index && ++n < 2);
+    return sym_index;
+}
+
+#if defined _WIN32 || defined __CYGWIN__
+
+#ifdef __CYGWIN__
+# include <dlfcn.h>
+# define LoadLibrary(s) dlopen(s, RTLD_NOW)
+# define GetProcAddress(h,s) dlsym(h, s)
+#else
+# define dlclose(h) FreeLibrary(h)
+#endif
+
+/* for the -run option: dynamically load symbol from dll */
+void *resolve_sym(struct TCCState *s1, const char *symbol, int type)
+{
+    char buffer[100];
+    int sym_index, dll_index;
+    void *addr, **m;
+    DLLReference *dllref;
+
+    sym_index = pe_find_import(s1, symbol);
+    if (0 == sym_index)
+        return NULL;
+    dll_index = ((Elf32_Sym *)s1->dynsymtab_section->data + sym_index)->st_value;
+    dllref = s1->loaded_dlls[dll_index-1];
+    if ( !dllref->handle )
+    {
+        dllref->handle = LoadLibrary(dllref->name);
+    }
+    addr = GetProcAddress(dllref->handle, symbol);
+    if (NULL == addr)
+        addr = GetProcAddress(dllref->handle, get_alt_symbol(buffer, symbol));
+
+    if (addr && STT_OBJECT == type) {
+        /* need to return a pointer to the address for data objects */
+        m = (void**)tcc_malloc(sizeof addr), *m = addr, addr = m;
+#ifdef MEM_DEBUG
+        /* yep, we don't free it */
+        mem_cur_size -= sizeof (void*);
+#endif
+    }
+    return addr;
+}
+#endif
+
+/*----------------------------------------------------------------------------*/
+
+ST_FN 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_FN DWORD umin(DWORD a, DWORD b)
+{
+    return a < b ? a : b;
+}
+#endif
+
+ST_FN DWORD umax(DWORD a, DWORD b)
+{
+    return a < b ? b : a;
+}
+
+ST_FN void pe_fpad(FILE *fp, DWORD new_pos)
+{
+    DWORD pos = ftell(fp);
+    while (++pos <= new_pos)
+        fputc(0, fp);
+}
+
+ST_FN DWORD pe_file_align(DWORD n)
+{
+    return (n + (0x200 - 1)) & ~(0x200 - 1);
+}
+
+ST_FN DWORD pe_virtual_align(DWORD n)
+{
+    return (n + (0x1000 - 1)) & ~(0x1000 - 1);
+}
+
+ST_FN void pe_align_section(Section *s, int a)
+{
+    int i = s->data_offset & (a-1);
+    if (i)
+        section_ptr_add(s, a - i);
+}
+
+ST_FN void pe_set_datadir(int dir, DWORD addr, DWORD size)
+{
+    pe_header.opthdr.DataDirectory[dir].VirtualAddress = addr;
+    pe_header.opthdr.DataDirectory[dir].Size = size;
+}
+
+/*----------------------------------------------------------------------------*/
+ST_FN int pe_write(struct pe_info *pe)
+{
+    int i;
+    FILE *op;
+    DWORD file_offset, r;
+
+    op = fopen(pe->filename, "wb");
+    if (NULL == op) {
+        error_noabort("could not write '%s': %s", pe->filename, strerror(errno));
+        return 1;
+    }
+
+    pe->sizeofheaders = pe_file_align(
+        sizeof pe_header
+        + pe->sec_count * sizeof (IMAGE_SECTION_HEADER)
+        );
+
+    file_offset = pe->sizeofheaders;
+    pe_fpad(op, file_offset);
+
+    if (2 == pe->s1->verbose)
+        printf("-------------------------------"
+               "\n  virt   file   size  section" "\n");
+
+    for (i = 0; i < pe->sec_count; ++i) {
+        struct section_info *si = pe->sec_info + i;
+        const char *sh_name = si->name;
+        unsigned long addr = si->sh_addr - pe->imagebase;
+        unsigned long size = si->sh_size;
+        IMAGE_SECTION_HEADER *psh = &si->ish;
+
+        if (2 == pe->s1->verbose)
+            printf("%6lx %6lx %6lx  %s\n",
+                addr, file_offset, size, sh_name);
+
+        switch (si->cls) {
+            case sec_text:
+                pe_header.opthdr.BaseOfCode = addr;
+                pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr;
+                break;
+
+            case sec_data:
+                pe_header.opthdr.BaseOfData = addr;
+                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;
+        }
+
+        if (pe->thunk == pe->s1->sections[si->ord]) {
+            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);
+            }
+        }
+
+        strcpy((char*)psh->Name, sh_name);
+
+        psh->Characteristics = pe_sec_flags[si->cls];
+        psh->VirtualAddress = addr;
+        psh->Misc.VirtualSize = size;
+        pe_header.opthdr.SizeOfImage =
+            umax(pe_virtual_align(size + addr), pe_header.opthdr.SizeOfImage); 
+
+        if (si->data_size) {
+            psh->PointerToRawData = r = file_offset;
+            fwrite(si->data, 1, si->data_size, op);
+            file_offset = pe_file_align(file_offset + si->data_size);
+            psh->SizeOfRawData = file_offset - r;
+            pe_fpad(op, file_offset);
+        }
+    }
+
+    // pe_header.filehdr.TimeDateStamp = time(NULL);
+    pe_header.filehdr.NumberOfSections = pe->sec_count;
+    pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders;
+    pe_header.opthdr.ImageBase = pe->imagebase;
+    if (PE_DLL == pe->type)
+        pe_header.filehdr.Characteristics = 0x230E;
+    else if (PE_GUI != pe->type)
+        pe_header.opthdr.Subsystem = 3;
+
+    fseek(op, SEEK_SET, 0);
+    fwrite(&pe_header,  1, sizeof pe_header, op);
+    for (i = 0; i < pe->sec_count; ++i)
+        fwrite(&pe->sec_info[i].ish, 1, sizeof(IMAGE_SECTION_HEADER), op);
+    fclose (op);
+
+    if (2 == pe->s1->verbose)
+        printf("-------------------------------\n");
+    if (pe->s1->verbose)
+        printf("<- %s (%lu bytes)\n", pe->filename, file_offset);
+
+    return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+
+ST_FN struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index)
+{
+    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_value;
+    if (0 == dll_index)
+        return NULL;
+
+    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)
+        return p->symbols[i];
+
+    s = tcc_mallocz(sizeof *s);
+    dynarray_add((void***)&p->symbols, &p->sym_count, s);
+    s->sym_index = sym_index;
+    return s;
+}
+
+/*----------------------------------------------------------------------------*/
+ST_FN void pe_build_imports(struct pe_info *pe)
+{
+    int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i;
+    DWORD rva_base = 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-1]->name;
+
+        /* put the dll name into the import header */
+        v = put_elf_str(pe->thunk, name);
+
+        hdr = (struct pe_import_header*)(pe->thunk->data + dll_ptr);
+        hdr->first_thunk     = thk_ptr + rva_base;
+        hdr->first_entry     = ent_ptr + rva_base;
+        hdr->lib_name_offset = v + rva_base;
+
+        for (k = 0, n = p->sym_count; k <= n; ++k) {
+            if (k < n) {
+                DWORD iat_index = p->symbols[k]->iat_index;
+                int sym_index = p->symbols[k]->sym_index;
+                Elf32_Sym *imp_sym = (Elf32_Sym *)pe->s1->dynsymtab_section->data + sym_index;
+                Elf32_Sym *org_sym = (Elf32_Sym *)symtab_section->data + iat_index;
+                const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name;
+
+                org_sym->st_value = thk_ptr;
+                org_sym->st_shndx = pe->thunk->sh_num;
+                v = pe->thunk->data_offset + rva_base;
+                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(&p->symbols, &p->sym_count);
+    }
+    dynarray_reset(&pe->imp_info, &pe->imp_count);
+}
+
+/* ------------------------------------------------------------- */
+/*
+    For now only functions are exported. Export of data
+    would work, but import requires compiler support to
+    do an additional indirection.
+
+    For instance:
+        __declspec(dllimport) extern int something;
+
+    needs to be translated to:
+
+        *(int*)something
+*/
+
+ST_FN int sym_cmp(const void *va, const void *vb)
+{
+    const char *ca = ((const char **)va)[1];
+    const char *cb = ((const char **)vb)[1];
+    return strcmp(ca, cb);
+}
+
+ST_FN void pe_build_exports(struct pe_info *pe)
+{
+    Elf32_Sym *sym;
+    int sym_index, sym_end;
+    DWORD rva_base, func_o, name_o, ord_o, str_o;
+    struct pe_export_header *hdr;
+    int sym_count, n, ord, *sorted, *sp;
+
+    FILE *op;
+    char buf[MAX_PATH];
+    const char *dllname;
+    const char *name;
+
+    rva_base = pe->thunk->sh_addr - pe->imagebase;
+    sym_count = 0, n = 1, sorted = NULL, op = NULL;
+
+    sym_end = symtab_section->data_offset / sizeof(Elf32_Sym);
+    for (sym_index = 1; sym_index < sym_end; ++sym_index) {
+        sym = (Elf32_Sym*)symtab_section->data + sym_index;
+        name = symtab_section->link->data + sym->st_name;
+        if ((sym->st_other & 1)
+            /* export only symbols from actually written sections */
+            && pe->s1->sections[sym->st_shndx]->sh_addr) {
+            dynarray_add((void***)&sorted, &sym_count, (void*)n);
+            dynarray_add((void***)&sorted, &sym_count, (void*)name);
+        }
+        ++n;
+#if 0
+        if (sym->st_other & 1)
+            printf("export: %s\n", name);
+        if (sym->st_other & 2)
+            printf("stdcall: %s\n", name);
+#endif
+    }
+
+    if (0 == sym_count)
+        return;
+    sym_count /= 2;
+
+    qsort (sorted, sym_count, 2 * sizeof sorted[0], sym_cmp);
+    pe_align_section(pe->thunk, 16);
+    dllname = tcc_basename(pe->filename);
+
+    pe->exp_offs = pe->thunk->data_offset;
+    func_o = pe->exp_offs + sizeof(struct pe_export_header);
+    name_o = func_o + sym_count * sizeof (DWORD);
+    ord_o = name_o + sym_count * sizeof (DWORD);
+    str_o = ord_o + sym_count * sizeof(WORD);
+
+    hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs);
+    hdr->Characteristics        = 0;
+    hdr->Base                   = 1;
+    hdr->NumberOfFunctions      = sym_count;
+    hdr->NumberOfNames          = sym_count;
+    hdr->AddressOfFunctions     = func_o + rva_base;
+    hdr->AddressOfNames         = name_o + rva_base;
+    hdr->AddressOfNameOrdinals  = ord_o + rva_base;
+    hdr->Name                   = str_o + rva_base;
+    put_elf_str(pe->thunk, dllname);
+
+#if 1
+    /* automatically write exports to <output-filename>.def */
+    strcpy(buf, pe->filename);
+    strcpy(tcc_fileextension(buf), ".def");
+    op = fopen(buf, "w");
+    if (NULL == op) {
+        error_noabort("could not create '%s': %s", buf, strerror(errno));
+    } else {
+        fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname);
+        if (pe->s1->verbose)
+            printf("<- %s (%d symbols)\n", buf, sym_count);
+    }
+#endif
+
+    for (sp = sorted, ord = 0; ord < sym_count; ++ord, sp += 2)
+    {
+        sym_index = sp[0], name = (const char *)sp[1];
+        /* insert actual address later in pe_relocate_rva */
+        put_elf_reloc(symtab_section, pe->thunk,
+            func_o, R_386_RELATIVE, sym_index);
+        *(DWORD*)(pe->thunk->data + name_o)
+            = pe->thunk->data_offset + rva_base;
+        *(WORD*)(pe->thunk->data + ord_o)
+            = ord;
+        put_elf_str(pe->thunk, name);
+        func_o += sizeof (DWORD);
+        name_o += sizeof (DWORD);
+        ord_o += sizeof (WORD);
+
+        if (op)
+            fprintf(op, "%s\n", name);
+    }
+    pe->exp_size = pe->thunk->data_offset - pe->exp_offs;
+    tcc_free(sorted);
+}
+
+/* ------------------------------------------------------------- */
+ST_FN void pe_build_reloc (struct pe_info *pe)
+{
+    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 < pe->sec_count) {
+            sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->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) /* align for DWORDS */
+                section_ptr_add(pe->reloc, sizeof(WORD)), ++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_FN int pe_section_class(Section *s)
+{
+    int type, flags;
+    const char *name;
+
+    type = s->sh_type;
+    flags = s->sh_flags;
+    name = s->name;
+    if (flags & SHF_ALLOC) {
+        if (type == SHT_PROGBITS) {
+            if (flags & SHF_EXECINSTR)
+                return sec_text;
+            if (flags & SHF_WRITE)
+                return sec_data;
+            if (0 == strcmp(name, ".rsrc"))
+                return sec_rsrc;
+            if (0 == strcmp(name, ".iedat"))
+                return sec_idata;
+            return sec_other;
+        } else if (type == SHT_NOBITS) {
+            if (flags & SHF_WRITE)
+                return sec_bss;
+        }
+    } else {
+        if (0 == strcmp(name, ".reloc"))
+            return sec_reloc;
+        if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */
+            return sec_stab;
+    }
+    return -1;
+}
+
+ST_FN int pe_assign_addresses (struct pe_info *pe)
+{
+    int i, k, o, c;
+    DWORD addr;
+    int *section_order;
+    struct section_info *si;
+    Section *s;
+
+    // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
+
+    section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int));
+    for (o = k = 0 ; k < sec_last; ++k) {
+        for (i = 1; i < pe->s1->nb_sections; ++i) {
+            s = pe->s1->sections[i];
+            if (k == pe_section_class(s)) {
+                // printf("%s %d\n", s->name, k);
+                s->sh_addr = pe->imagebase;
+                section_order[o++] = i;
+            }
+        }
+    }
+
+    pe->sec_info = tcc_mallocz(o * sizeof (struct section_info));
+    addr = pe->imagebase + 1;
+
+    for (i = 0; i < o; ++i)
+    {
+        k = section_order[i];
+        s = pe->s1->sections[k];
+        c = pe_section_class(s);
+        si = &pe->sec_info[pe->sec_count];
+
+#ifdef PE_MERGE_DATA
+        if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) {
+            /* append .bss to .data */
+            s->sh_addr = addr = ((addr-1) | 15) + 1;
+            addr += s->data_offset;
+            si[-1].sh_size = addr - si[-1].sh_addr;
+            continue;
+        }
+#endif
+        strcpy(si->name, s->name);
+        si->cls = c;
+        si->ord = k;
+        si->sh_addr = s->sh_addr = addr = pe_virtual_align(addr);
+        si->sh_flags = s->sh_flags;
+
+        if (c == sec_data && NULL == pe->thunk)
+            pe->thunk = s;
+
+        if (s == pe->thunk) {
+            pe_build_imports(pe);
+            pe_build_exports(pe);
+        }
+
+        if (c == sec_reloc)
+            pe_build_reloc (pe);
+
+        if (s->data_offset)
+        {
+            if (s->sh_type != SHT_NOBITS) {
+                si->data = s->data;
+                si->data_size = s->data_offset;
+            }
+
+            addr += s->data_offset;
+            si->sh_size = s->data_offset;
+            ++pe->sec_count;
+        }
+        // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
+    }
+
+#if 0
+    for (i = 1; i < pe->s1->nb_sections; ++i) {
+        Section *s = pe->s1->sections[i];
+        int type = s->sh_type;
+        int flags = s->sh_flags;
+        printf("section %-16s %-10s %5x %s,%s,%s\n",
+            s->name,
+            type == SHT_PROGBITS ? "progbits" :
+            type == SHT_NOBITS ? "nobits" :
+            type == SHT_SYMTAB ? "symtab" :
+            type == SHT_STRTAB ? "strtab" :
+            type == SHT_REL ? "rel" : "???",
+            s->data_offset,
+            flags & SHF_ALLOC ? "alloc" : "",
+            flags & SHF_WRITE ? "write" : "",
+            flags & SHF_EXECINSTR ? "exec" : ""
+            );
+    }
+    pe->s1->verbose = 2;
+#endif
+
+    tcc_free(section_order);
+    return 0;
+}
+
+/* ------------------------------------------------------------- */
+ST_FN void pe_relocate_rva (struct pe_info *pe, Section *s)
+{
+    Section *sr = s->reloc;
+    Elf32_Rel *rel, *rel_end;
+    rel_end = (Elf32_Rel *)(sr->data + sr->data_offset);
+    for(rel = (Elf32_Rel *)sr->data; rel < rel_end; rel++)
+        if (ELF32_R_TYPE(rel->r_info) == R_386_RELATIVE) {
+            int sym_index = ELF32_R_SYM(rel->r_info);
+            DWORD addr = s->sh_addr;
+            if (sym_index) {
+                Elf32_Sym *sym = (Elf32_Sym *)symtab_section->data + sym_index;
+                addr = sym->st_value;
+            }
+            *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase;
+        }
+}
+
+/*----------------------------------------------------------------------------*/
+ST_FN int pe_check_symbols(struct pe_info *pe)
+{
+    Elf32_Sym *sym;
+    int sym_index, sym_end;
+    int ret = 0;
+
+    pe_align_section(text_section, 8);
+
+    sym_end = symtab_section->data_offset / sizeof(Elf32_Sym);
+    for (sym_index = 1; sym_index < sym_end; ++sym_index) {
+
+        sym = (Elf32_Sym*)symtab_section->data + sym_index;
+        if (sym->st_shndx == SHN_UNDEF) {
+
+            const char *name = symtab_section->link->data + sym->st_name;
+            unsigned type = ELF32_ST_TYPE(sym->st_info);
+            int imp_sym = pe_find_import(pe->s1, name);
+            struct import_symbol *is;
+
+            if (0 == imp_sym)
+                goto not_found;
+            is = pe_add_import(pe, imp_sym);
+            if (!is)
+                goto not_found;
+
+            if (type == STT_FUNC) {
+                unsigned long offset = is->thk_offset;
+                if (offset) {
+                    /* got aliased symbol, like stricmp and _stricmp */
+
+                } else {
+                    char buffer[100];
+
+                    offset = text_section->data_offset;
+                    /* add the 'jmp IAT[x]' instruction */
+                    *(WORD*)section_ptr_add(text_section, 8) = 0x25FF;
+
+                    /* add a helper symbol, will be patched later in
+                       pe_build_imports */
+                    sprintf(buffer, "IAT.%s", name);
+                    is->iat_index = put_elf_sym(
+                        symtab_section, 0, sizeof(DWORD),
+                        ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT),
+                        0, SHN_UNDEF, buffer);
+                    put_elf_reloc(symtab_section, text_section, 
+                        offset + 2, R_386_32, is->iat_index);
+                    is->thk_offset = offset;
+                }
+
+                /* tcc_realloc might have altered sym's address */
+                sym = (Elf32_Sym*)symtab_section->data + sym_index;
+
+                /* patch the original symbol */
+                sym->st_value = offset;
+                sym->st_shndx = text_section->sh_num;
+                sym->st_other &= ~1; /* do not export */
+                continue;
+            }
+
+            if (type == STT_OBJECT) { /* data, ptr to that should be */
+                if (0 == is->iat_index) {
+                    /* original symbol will be patched later in pe_build_imports */
+                    is->iat_index = sym_index;
+                    continue;
+                }
+            }
+
+        not_found:
+            error_noabort("undefined symbol '%s'", name);
+            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_FN 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 (0 == l)
+        return;
+
+    if (s->sh_type == SHT_SYMTAB)
+        m = sizeof(Elf32_Sym);
+    if (s->sh_type == SHT_REL)
+        m = sizeof(Elf32_Rel);
+    else
+        m = 16;
+
+    fprintf(f, "%-8s", "offset");
+    for (i = 0; i < m; ++i)
+        fprintf(f, " %02x", i);
+    n = 56;
+
+    if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_REL) {
+        const char *fields1[] = {
+            "name",
+            "value",
+            "size",
+            "bind",
+            "type",
+            "other",
+            "shndx",
+            NULL
+        };
+
+        const char *fields2[] = {
+            "offs",
+            "type",
+            "symb",
+            NULL
+        };
+
+        const char **p;
+
+        if (s->sh_type == SHT_SYMTAB)
+            p = fields1, n = 106;
+        else
+            p = fields2, n = 58;
+
+        for (i = 0; p[i]; ++i)
+            fprintf(f, "%6s", p[i]);
+        fprintf(f, "  symbol");
+    }
+
+    fprintf(f, "\n");
+    for (i = 0; i < n; ++i)
+        fprintf(f, "-");
+    fprintf(f, "\n");
+
+    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, "  %04X  %04X  %04X   %02X    %02X    %02X   %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, "  %04X   %02X   %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");
+}
+
+ST_FN void pe_print_sections(TCCState *s1, const char *fname)
+{
+    Section *s;
+    FILE *f;
+    int i;
+    f = fopen(fname, "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
+
+/* -------------------------------------------------------------
+ *  This is for compiled windows resources in 'coff' format
+ *  as generated by 'windres.exe -O coff ...'.
+ */
+
+PUB_FN int pe_test_res_file(void *v, int size)
+{
+    struct pe_rsrc_header *p = (struct pe_rsrc_header *)v;
+    return
+        size >= IMAGE_SIZEOF_FILE_HEADER + IMAGE_SIZEOF_SHORT_NAME /* = 28 */
+        && p->filehdr.Machine == 0x014C
+        && 1 == p->filehdr.NumberOfSections
+        && 0 == strcmp(p->sectionhdr.Name, ".rsrc")
+        ;
+}
+
+ST_FN int read_n(int fd, void *ptr, unsigned size)
+{
+    return size == read(fd, ptr, size);
+}
+
+PUB_FN int pe_load_res_file(TCCState *s1, int fd)
+{
+    struct pe_rsrc_header hdr;
+    Section *rsrc_section;
+    int i, ret = -1;
+    BYTE *ptr;
+
+    lseek (fd, 0, SEEK_SET);
+    if (!read_n(fd, &hdr, sizeof hdr))
+        goto quit;
+    if (!pe_test_res_file(&hdr, sizeof hdr))
+        goto quit;
+
+    rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC);
+    ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData);
+    lseek (fd, hdr.sectionhdr.PointerToRawData, SEEK_SET);
+    if (!read_n(fd, ptr, hdr.sectionhdr.SizeOfRawData))
+        goto quit;
+
+    lseek (fd, hdr.sectionhdr.PointerToRelocations, SEEK_SET);
+    for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i)
+    {
+        struct pe_rsrc_reloc rel;
+        if (!read_n(fd, &rel, sizeof rel))
+            goto quit;
+        // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
+        if (rel.type != 7) /* DIR32NB */
+            goto quit;
+        put_elf_reloc(symtab_section, rsrc_section,
+            rel.offset, R_386_RELATIVE, 0);
+    }
+    ret = 0;
+quit:
+    if (ret)
+        error_noabort("unrecognized resource file format");
+    return ret;
+}
+
+/* ------------------------------------------------------------- */
+ST_FN char *trimfront(char *p)
+{
+    while (*p && (unsigned char)*p <= ' ')
+        ++p;
+    return p;
+}
+
+ST_FN char *trimback(char *a, char *e)
+{
+    while (e > a && (unsigned char)e[-1] <= ' ')
+        --e;
+    *e = 0;;
+    return a;
+}
+
+ST_FN char *get_line(char *line, int size, FILE *fp)
+{
+    if (NULL == fgets(line, size, fp))
+        return NULL;
+    trimback(line, strchr(line, 0));
+    return trimfront(line);
+}
+
+/* ------------------------------------------------------------- */
+PUB_FN int pe_load_def_file(TCCState *s1, int fd)
+{
+    DLLReference *dllref;
+    int state = 0, ret = -1;
+    char line[400], dllname[80], *p;
+    FILE *fp = fdopen(dup(fd), "rb");
+
+    if (NULL == fp)
+        goto quit;
+
+    for (;;) {
+        p = get_line(line, sizeof line, fp);
+        if (NULL == p)
+            break;
+        if (0 == *p || ';' == *p)
+            continue;
+        switch (state) {
+        case 0:
+            if (0 != strnicmp(p, "LIBRARY", 7))
+                goto quit;
+            strcpy(dllname, trimfront(p+7));
+            ++state;
+            continue;
+
+        case 1:
+            if (0 != stricmp(p, "EXPORTS"))
+                goto quit;
+            ++state;
+            continue;
+
+        case 2:
+            dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
+            strcpy(dllref->name, dllname);
+            dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
+            ++state;
+
+        default:
+            add_elf_sym(s1->dynsymtab_section,
+                s1->nb_loaded_dlls, 0,
+                ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), 0,
+                text_section->sh_num, p);
+            continue;
+        }
+    }
+    ret = 0;
+quit:
+    if (fp)
+        fclose(fp);
+    if (ret)
+        error_noabort("unrecognized export definition file format");
+    return ret;
+}
+
+/* ------------------------------------------------------------- */
+
+ST_FN void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
+{
+    const char *start_symbol;
+    unsigned long addr = 0;
+    int pe_type = 0;
+
+    if (find_elf_sym(symtab_section, "_WinMain@16"))
+        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@12"
+        : 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");
+#ifdef __CYGWIN__
+        tcc_add_library(s1, "cygwin1");
+#else
+        tcc_add_library(s1, "msvcrt");
+#endif
+        tcc_add_library(s1, "kernel32");
+        if (PE_DLL == pe_type || PE_GUI == pe_type) {
+            tcc_add_library(s1, "user32");
+            tcc_add_library(s1, "gdi32");
+        }
+    }
+
+    if (start_symbol) {
+        addr = (unsigned long)tcc_get_symbol_err(s1, start_symbol);
+        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");
+    }
+
+    if (pe) {
+        pe->type = pe_type;
+        pe->start_addr = addr;
+    }
+}
+
+PUB_FN void pe_add_runtime(TCCState *s1)
+{
+    pe_add_runtime_ex(s1, NULL);
+}
+
+PUB_FN int pe_output_file(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_add_runtime_ex(s1, &pe);
+    relocate_common_syms(); /* assign bss adresses */
+    tcc_add_linker_symbols(s1);
+
+    ret = pe_check_symbols(&pe);
+    if (0 == ret) {
+        if (PE_DLL == pe.type) {
+            pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0);
+            pe.imagebase = 0x10000000;
+        } else {
+            pe.imagebase = 0x00400000;
+        }
+        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);
+                pe_relocate_rva(&pe, s);
+            }
+        }
+        if (s1->nb_errors)
+            ret = 1;
+        else
+            ret = pe_write(&pe);
+        tcc_free(pe.sec_info);
+    }
+
+#ifdef PE_PRINT_SECTIONS
+    pe_print_sections(s1, "tcc.log");
+#endif
+    return ret;
+}
+
+/* ------------------------------------------------------------- */
+#endif /* def TCC_TARGET_PE */
+/* ------------------------------------------------------------- */