Checkin tiny_libmaker (ar replacement) by Timovj Lahde

2 files changed, 712 insertions, 0 deletions

diff --git a/win32/tools/tiny_impdef.c b/win32/tools/tiny_impdef.c
new file mode 100644
index 0000000..040c53a
--- /dev/null
+++ b/win32/tools/tiny_impdef.c
@@ -0,0 +1,393 @@
+/* -------------------------------------------------------------- */
+/*
+ * tiny_impdef creates an export definition file (.def) from a dll
+ * on MS-Windows. Usage: tiny_impdef library.dll [-o outputfile]"
+ * 
+ *  Copyright (c) 2005,2007 grischka
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <stdio.h>
+
+/* Offset to PE file signature */
+#define NTSIGNATURE(a) ((LPVOID)((BYTE *)a                +  \
+                        ((PIMAGE_DOS_HEADER)a)->e_lfanew))
+
+/* MS-OS header identifies the NT PEFile signature dword;
+   the PEFILE header exists just after that dword. */
+#define PEFHDROFFSET(a) ((LPVOID)((BYTE *)a               +  \
+                         ((PIMAGE_DOS_HEADER)a)->e_lfanew +  \
+                             SIZE_OF_NT_SIGNATURE))
+
+/* PE optional header is immediately after PEFile header. */
+#define OPTHDROFFSET(a) ((LPVOID)((BYTE *)a               +  \
+                         ((PIMAGE_DOS_HEADER)a)->e_lfanew +  \
+                           SIZE_OF_NT_SIGNATURE           +  \
+                           sizeof (IMAGE_FILE_HEADER)))
+
+/* Section headers are immediately after PE optional header. */
+#define SECHDROFFSET(a) ((LPVOID)((BYTE *)a               +  \
+                         ((PIMAGE_DOS_HEADER)a)->e_lfanew +  \
+                           SIZE_OF_NT_SIGNATURE           +  \
+                           sizeof (IMAGE_FILE_HEADER)     +  \
+                           sizeof (IMAGE_OPTIONAL_HEADER)))
+
+
+#define SIZE_OF_NT_SIGNATURE 4
+
+/* -------------------------------------------------------------- */
+
+int WINAPI NumOfSections (
+    LPVOID lpFile)
+{
+    /* Number of sections is indicated in file header. */
+    return (int)
+        ((PIMAGE_FILE_HEADER)
+            PEFHDROFFSET(lpFile))->NumberOfSections;
+}
+
+
+/* -------------------------------------------------------------- */
+
+LPVOID WINAPI ImageDirectoryOffset (
+    LPVOID lpFile,
+    DWORD dwIMAGE_DIRECTORY)
+{
+    PIMAGE_OPTIONAL_HEADER poh;
+    PIMAGE_SECTION_HEADER psh;
+    int nSections = NumOfSections (lpFile);
+    int i = 0;
+    LPVOID VAImageDir;
+
+    /* Retrieve offsets to optional and section headers. */
+    poh = (PIMAGE_OPTIONAL_HEADER)OPTHDROFFSET (lpFile);
+    psh = (PIMAGE_SECTION_HEADER)SECHDROFFSET (lpFile);
+
+    /* Must be 0 thru (NumberOfRvaAndSizes-1). */
+    if (dwIMAGE_DIRECTORY >= poh->NumberOfRvaAndSizes)
+        return NULL;
+
+    /* Locate image directory's relative virtual address. */
+    VAImageDir = (LPVOID)poh->DataDirectory[dwIMAGE_DIRECTORY].VirtualAddress;
+
+    /* Locate section containing image directory. */
+    while (i++<nSections)
+    {
+        if (psh->VirtualAddress <= (DWORD)VAImageDir
+         && psh->VirtualAddress + psh->SizeOfRawData > (DWORD)VAImageDir)
+            break;
+        psh++;
+    }
+
+    if (i > nSections)
+        return NULL;
+
+    /* Return image import directory offset. */
+    return (LPVOID)(((int)lpFile +
+                     (int)VAImageDir - psh->VirtualAddress) +
+                    (int)psh->PointerToRawData);
+}
+
+/* -------------------------------------------------------------- */
+
+BOOL WINAPI GetSectionHdrByName (
+    LPVOID lpFile,
+    IMAGE_SECTION_HEADER *sh,
+    char *szSection)
+{
+    PIMAGE_SECTION_HEADER psh;
+    int nSections = NumOfSections (lpFile);
+    int i;
+
+    if ((psh = (PIMAGE_SECTION_HEADER)SECHDROFFSET (lpFile)) != NULL)
+    {
+        /* find the section by name */
+        for (i=0; i<nSections; i++)
+        {
+            if (!strcmp (psh->Name, szSection))
+            {
+                /* copy data to header */
+                memcpy ((LPVOID)sh, (LPVOID)psh, sizeof (IMAGE_SECTION_HEADER));
+                return TRUE;
+            }
+            else
+                psh++;
+        }
+    }
+    return FALSE;
+}
+
+/* -------------------------------------------------------------- */
+
+BOOL WINAPI GetSectionHdrByAddress (
+    LPVOID lpFile,
+    IMAGE_SECTION_HEADER *sh,
+    DWORD addr)
+{
+    PIMAGE_SECTION_HEADER psh;
+    int nSections = NumOfSections (lpFile);
+    int i;
+
+    if ((psh = (PIMAGE_SECTION_HEADER)SECHDROFFSET (lpFile)) != NULL)
+    {
+        /* find the section by name */
+        for (i=0; i<nSections; i++)
+        {
+            if (addr >= psh->VirtualAddress
+             && addr < psh->VirtualAddress + psh->SizeOfRawData)
+            {
+                /* copy data to header */
+                memcpy ((LPVOID)sh, (LPVOID)psh, sizeof (IMAGE_SECTION_HEADER));
+                return TRUE;
+            }
+            else
+                psh++;
+        }
+    }
+    return FALSE;
+}
+
+/* -------------------------------------------------------------- */
+
+int  WINAPI GetExportFunctionNames (
+    LPVOID lpFile,
+    HANDLE hHeap,
+    char **pszFunctions)
+{
+    IMAGE_SECTION_HEADER sh;
+    PIMAGE_EXPORT_DIRECTORY ped;
+    int *pNames, *pCnt;
+    char *pSrc, *pDest;
+    int i, nCnt;
+    DWORD VAImageDir;
+    PIMAGE_OPTIONAL_HEADER poh;
+    char *pOffset;
+
+    /* Get section header and pointer to data directory
+       for .edata section. */
+    if (NULL == (ped = (PIMAGE_EXPORT_DIRECTORY)
+        ImageDirectoryOffset (lpFile, IMAGE_DIRECTORY_ENTRY_EXPORT)))
+        return 0;
+
+    poh = (PIMAGE_OPTIONAL_HEADER)OPTHDROFFSET (lpFile);
+    VAImageDir = poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
+
+    if (FALSE == GetSectionHdrByAddress (lpFile, &sh, VAImageDir))
+        return 0;
+
+    pOffset = (char *)lpFile + (sh.PointerToRawData -  sh.VirtualAddress);
+
+    pNames = (int *)(pOffset + (DWORD)ped->AddressOfNames);
+
+    /* Figure out how much memory to allocate for all strings. */
+    nCnt = 1;
+    for (i=0, pCnt = pNames; i<(int)ped->NumberOfNames; i++)
+    {
+        pSrc = (pOffset + *pCnt++);
+        if (pSrc)
+            nCnt += strlen(pSrc)+1;
+    }
+
+    /* Allocate memory off heap for function names. */
+    pDest = *pszFunctions = HeapAlloc (hHeap, HEAP_ZERO_MEMORY, nCnt);
+
+    /* Copy all strings to buffer. */
+    for (i=0, pCnt = pNames; i<(int)ped->NumberOfNames; i++)
+    {
+        pSrc = (pOffset + *pCnt++);
+        if (pSrc) {
+            strcpy(pDest, pSrc);
+            pDest += strlen(pSrc)+1;
+        }
+    }
+    *pDest = 0;
+
+    return ped->NumberOfNames;
+}
+
+/* -------------------------------------------------------------- */
+/* extract the basename of a file */
+
+static char *file_basename(const char *name)
+{
+    const char *p = strchr(name, 0);
+    while (p > name
+        && p[-1] != '/'
+        && p[-1] != '\\'
+        )
+        --p;
+    return (char*)p;
+}
+
+/* -------------------------------------------------------------- */
+
+int main(int argc, char **argv)
+{
+    HANDLE hHeap;
+    HANDLE hFile;
+    HANDLE hMapObject;
+    VOID *pMem;
+
+    int nCnt, ret, n;
+    char *pNames;
+    char infile[MAX_PATH];
+    char buffer[MAX_PATH];
+    char outfile[MAX_PATH];
+    FILE *op;
+    char *p;
+
+    hHeap = NULL;
+    hFile = NULL;
+    hMapObject = NULL;
+    pMem = NULL;
+    infile[0] = 0;
+    outfile[0] = 0;
+    ret = 1;
+
+    for (n = 1; n < argc; ++n)
+    {
+        const char *a = argv[n];
+        if ('-' == a[0]) {
+            if (0 == strcmp(a, "-o")) {
+                if (++n == argc)
+                    goto usage;
+                strcpy(outfile, argv[n]);
+            }
+            else
+                goto usage;
+
+        } else if (0 == infile[0])
+            strcpy(infile, a);
+        else
+            goto usage;
+    }
+
+    if (0 == infile[0])
+    {
+usage:
+        fprintf(stderr,
+            "tiny_impdef creates an export definition file (.def) from a dll\n"
+            "Usage: tiny_impdef library.dll [-o outputfile]\n"
+            );
+        goto the_end;
+    }
+
+    if (SearchPath(NULL, infile, ".dll", sizeof buffer, buffer, NULL))
+        strcpy(infile, buffer);
+
+    if (0 == outfile[0])
+    {
+        char *p;
+        strcpy(outfile, file_basename(infile));
+        p = strrchr(outfile, '.');
+        if (NULL == p)
+            p = strchr(outfile, 0);
+        strcpy(p, ".def");
+    }
+
+    hFile = CreateFile(
+        infile,
+        GENERIC_READ,
+        FILE_SHARE_READ,
+        NULL,
+        OPEN_EXISTING,
+        0,
+        NULL
+        );
+
+    if (hFile == INVALID_HANDLE_VALUE)
+    {
+        fprintf(stderr, "No such file: %s\n", infile);
+        goto the_end;
+    }
+
+
+    hMapObject = CreateFileMapping(
+        hFile,
+        NULL,
+        PAGE_READONLY,
+        0, 0,
+        NULL
+        );
+
+    if (NULL == hMapObject)
+    {
+        fprintf(stderr, "Could not create file mapping: %s\n", infile);
+        goto the_end;
+    }
+
+    pMem = MapViewOfFile(
+        hMapObject,     // object to map view of
+        FILE_MAP_READ,  // read access
+        0,              // high offset:  map from
+        0,              // low offset:   beginning
+        0);             // default: map entire file
+
+    if (NULL == pMem)
+    {
+        fprintf(stderr, "Could not map view of file: %s\n", infile);
+        goto the_end;
+    }
+
+    if (0 != strncmp(NTSIGNATURE(pMem), "PE", 2))
+    {
+        fprintf(stderr, "Not a PE file: %s\n", infile);
+        goto the_end;
+    }
+
+
+    hHeap = GetProcessHeap();
+    nCnt = GetExportFunctionNames(pMem, hHeap, &pNames);
+    if (0 == nCnt) {
+        fprintf(stderr, "Could not get exported function names: %s\n", infile);
+        goto the_end;
+    }
+
+    printf("--> %s\n", infile);
+
+    op = fopen(outfile, "w");
+    if (NULL == op)
+    {
+        fprintf(stderr, "Could not create file: %s\n", outfile);
+        goto the_end;
+    }
+
+    printf("<-- %s\n", outfile);
+
+    fprintf(op, "LIBRARY %s\n\nEXPORTS\n", file_basename(infile));
+    for (n = 0, p = pNames; n < nCnt; ++n)
+    {
+        fprintf(op, "%s\n", p);
+        while (*p++);
+    }
+    ret = 0;
+
+the_end:
+    if (pMem)
+        UnmapViewOfFile(pMem);
+
+    if (hMapObject)
+        CloseHandle(hMapObject);
+
+    if (hFile)
+        CloseHandle(hFile);
+
+    return ret;
+}
+
+/* -------------------------------------------------------------- */
diff --git a/win32/tools/tiny_libmaker.c b/win32/tools/tiny_libmaker.c
new file mode 100644
index 0000000..efda78a
--- /dev/null
+++ b/win32/tools/tiny_libmaker.c
@@ -0,0 +1,319 @@
+/*
+ * This program is for making libtcc1.a without ar
+ * tiny_libmaker - tiny elf lib maker
+ * usage: tiny_libmaker [lib] files...
+ * Copyright (c) 2007 Timppa
+ *
+ * This program is free software but WITHOUT ANY WARRANTY
+ */ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* #include "ar-elf.h" */
+/*  "ar-elf.h" */
+/* ELF_v1.2.pdf */
+typedef unsigned short int Elf32_Half;
+typedef int Elf32_Sword;
+typedef unsigned int Elf32_Word;
+typedef unsigned int Elf32_Addr;
+typedef unsigned int Elf32_Off;
+typedef unsigned short int Elf32_Section;
+
+#define EI_NIDENT 16
+typedef struct {
+    unsigned char e_ident[EI_NIDENT];
+    Elf32_Half e_type;
+    Elf32_Half e_machine;
+    Elf32_Word e_version;
+    Elf32_Addr e_entry;
+    Elf32_Off e_phoff;
+    Elf32_Off e_shoff;
+    Elf32_Word e_flags;
+    Elf32_Half e_ehsize;
+    Elf32_Half e_phentsize;
+    Elf32_Half e_phnum;
+    Elf32_Half e_shentsize;
+    Elf32_Half e_shnum;
+    Elf32_Half e_shstrndx;
+} Elf32_Ehdr;
+
+typedef struct {
+    Elf32_Word sh_name;
+    Elf32_Word sh_type;
+    Elf32_Word sh_flags;
+    Elf32_Addr sh_addr;
+    Elf32_Off sh_offset;
+    Elf32_Word sh_size;
+    Elf32_Word sh_link;
+    Elf32_Word sh_info;
+    Elf32_Word sh_addralign;
+    Elf32_Word sh_entsize;
+} Elf32_Shdr;
+
+#define SHT_NULL 0
+#define SHT_PROGBITS 1
+#define SHT_SYMTAB 2
+#define SHT_STRTAB 3
+#define SHT_RELA 4
+#define SHT_HASH 5
+#define SHT_DYNAMIC 6
+#define SHT_NOTE 7
+#define SHT_NOBITS 8
+#define SHT_REL 9
+#define SHT_SHLIB 10
+#define SHT_DYNSYM 11
+
+typedef struct {
+    Elf32_Word st_name;
+    Elf32_Addr st_value;
+    Elf32_Word st_size;
+    unsigned char st_info;
+    unsigned char st_other;
+    Elf32_Half st_shndx;
+} Elf32_Sym;
+
+#define ELF32_ST_BIND(i) ((i)>>4)
+#define ELF32_ST_TYPE(i) ((i)&0xf)
+#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
+
+#define STT_NOTYPE 0
+#define STT_OBJECT 1
+#define STT_FUNC 2
+#define STT_SECTION 3
+#define STT_FILE 4
+#define STT_LOPROC 13
+#define STT_HIPROC 15
+
+#define STB_LOCAL 0
+#define STB_GLOBAL 1
+#define STB_WEAK 2
+#define STB_LOPROC 13
+#define STB_HIPROC 15
+
+typedef struct {
+    Elf32_Word p_type;
+    Elf32_Off p_offset;
+    Elf32_Addr p_vaddr;
+    Elf32_Addr p_paddr;
+    Elf32_Word p_filesz;
+    Elf32_Word p_memsz;
+    Elf32_Word p_flags;
+    Elf32_Word p_align;
+} Elf32_Phdr;
+/* "ar-elf.h" ends */
+
+#define ARMAG  "!<arch>\n"
+#define ARFMAG "`\n"
+
+typedef struct ArHdr {
+    char ar_name[16];
+    char ar_date[12];
+    char ar_uid[6];
+    char ar_gid[6];
+    char ar_mode[8];
+    char ar_size[10];
+    char ar_fmag[2];
+} ArHdr;
+
+
+unsigned long le2belong(unsigned long ul) {
+    return ((ul & 0xFF0000)>>8)+((ul & 0xFF000000)>>24) +
+        ((ul & 0xFF)<<24)+((ul & 0xFF00)<<8);
+}
+
+ArHdr arhdr = {
+    "/               ",
+    "            ",
+    "0     ",
+    "0     ",
+    "0       ",
+    "          ",
+    ARFMAG
+    };
+
+ArHdr arhdro = {
+    "                ",
+    "            ",
+    "0     ",
+    "0     ",
+    "0       ",
+    "          ",
+    ARFMAG
+    };
+
+int main(int argc, char **argv)
+{
+    FILE *fi, *fh, *fo;
+    Elf32_Ehdr *ehdr;
+    Elf32_Shdr *shdr;
+    Elf32_Sym *sym;
+    int i, fsize, iarg;
+    char *buf, *shstr, *symtab = NULL, *strtab = NULL;
+    int symtabsize = 0, strtabsize = 0;
+    char *anames = NULL;
+    int *afpos = NULL;
+    int istrlen, strpos = 0, fpos = 0, funccnt = 0, funcmax, hofs;
+    char afile[260], tfile[260], stmp[20];
+
+
+    strcpy(afile, "ar_test.a");
+    iarg = 1;
+
+    if (argc < 2)
+    {
+        printf("usage: tiny_libmaker [lib] file...\n");
+        return 1;
+    }
+    for (i=1; i<argc; i++) {
+        istrlen = strlen(argv[i]);
+        if (argv[i][istrlen-2] == '.') {
+            if(argv[i][istrlen-1] == 'a')
+                strcpy(afile, argv[i]);
+            else if(argv[i][istrlen-1] == 'o') {
+                iarg = i;
+                break;
+            }
+        }
+    }
+
+    //tfile[0] = '.'; tfile[1] = '/';
+    //if (tmpnam(&tfile[2])) {
+    strcpy(tfile, "./XXXXXX");
+    if (mktemp(tfile))
+    {
+        if ((fo = fopen(tfile, "wb+")) == NULL)
+        {
+            fprintf(stderr, "Can't open  file %s \n", tfile);
+            return 2;
+        }
+    }
+
+/*
+    if ((fo = tmpfile()) == NULL)
+    {
+        fprintf(stderr, "Can't open temporary file \n");
+        return 2;
+    }
+*/
+    if ((fh = fopen(afile, "wb")) == NULL)
+    {
+        fprintf(stderr, "Can't open file %s \n", afile);
+        remove(tfile);
+        return 2;
+    }
+
+    funcmax = 1000;
+    afpos = realloc(NULL, funcmax); // 250 func
+    memcpy(&arhdro.ar_mode, "100666", 6);
+
+    //iarg = 1;
+    while (iarg < argc)
+    {
+        if (!strcmp(argv[iarg], "rcs")) {
+            iarg++;
+            continue;
+        }
+        if ((fi = fopen(argv[iarg], "rb")) == NULL)
+        {
+            fprintf(stderr, "Can't open  file %s \n", argv[iarg]);
+            remove(tfile);
+            return 2;
+        }
+        fseek(fi, 0, SEEK_END);
+        fsize = ftell(fi);
+        fseek(fi, 0, SEEK_SET);
+        buf = malloc(fsize + 1);
+        fread(buf, fsize, 1, fi);
+        fclose(fi);
+
+        printf("%s:\n", argv[iarg]);
+        // elf header
+        ehdr = (Elf32_Ehdr *)buf;
+        shdr = (Elf32_Shdr *) (buf + ehdr->e_shoff + ehdr->e_shstrndx * ehdr->e_shentsize);
+        shstr = (char *)(buf + shdr->sh_offset);
+        for (i = 0; i < ehdr->e_shnum; i++)
+        {
+            shdr = (Elf32_Shdr *) (buf + ehdr->e_shoff + i * ehdr->e_shentsize);
+            if (!shdr->sh_offset) continue;
+            if (shdr->sh_type == SHT_SYMTAB)
+            {
+                symtab = (char *)(buf + shdr->sh_offset);
+                symtabsize = shdr->sh_size;
+            }
+            if (shdr->sh_type == SHT_STRTAB)
+            {
+                if (!strcmp(shstr + shdr->sh_name, ".strtab"))
+                {
+                    strtab = (char *)(buf + shdr->sh_offset);
+                    strtabsize = shdr->sh_size;
+                }
+            }
+        }
+
+        if (symtab && symtabsize)
+        {
+            int nsym = symtabsize / sizeof(Elf32_Sym);
+            //printf("symtab: info size shndx name\n");
+            for (i = 1; i < nsym; i++)
+            {
+                sym = (Elf32_Sym *) (symtab + i * sizeof(Elf32_Sym));
+                if (sym->st_shndx && (sym->st_info == 0x11 || sym->st_info == 0x12)) {
+                    //printf("symtab: %2Xh %4Xh %2Xh %s\n", sym->st_info, sym->st_size, sym->st_shndx, strtab + sym->st_name);
+                    istrlen = strlen(strtab + sym->st_name)+1;
+                    anames = realloc(anames, strpos+istrlen);
+                    strcpy(anames + strpos, strtab + sym->st_name);
+                    strpos += istrlen;
+                    if (funccnt >= funcmax) {
+                        afpos = realloc(NULL, funcmax+1000);    // 250 func more
+                        funcmax += 1000;
+                    }
+                    afpos[++funccnt] = fpos;
+                }
+            }
+        }
+        memset(&arhdro.ar_name, ' ', sizeof(arhdr.ar_name));
+        strcpy(arhdro.ar_name, argv[iarg]);
+        arhdro.ar_name[strlen(argv[iarg])] = '/';
+        sprintf(stmp, "%-10d", fsize);
+        memcpy(&arhdro.ar_size, stmp, 10);
+        fwrite(&arhdro, sizeof(arhdro), 1, fo);
+        fwrite(buf, fsize, 1, fo);
+        free(buf);
+        iarg++;
+        fpos += (fsize + sizeof(arhdro));
+    }
+    hofs = 8 + sizeof(arhdr) + strpos + (funccnt+1) * sizeof(int);
+    if ((hofs & 1)) {   // align
+        hofs++;
+        fpos = 1;
+    } else fpos = 0;
+    // write header
+    fwrite("!<arch>\n", 8, 1, fh);
+    sprintf(stmp, "%-10d", strpos + (funccnt+1) * sizeof(int));
+    memcpy(&arhdr.ar_size, stmp, 10);
+    fwrite(&arhdr, sizeof(arhdr), 1, fh);
+    afpos[0] = le2belong(funccnt);
+    for (i=1; i<=funccnt; i++) {
+        afpos[i] = le2belong(afpos[i] + hofs);
+    }
+    fwrite(afpos, (funccnt+1) * sizeof(int), 1, fh);
+    fwrite(anames, strpos, 1, fh);
+    if (fpos) fwrite("", 1, 1, fh);
+    // write objects
+    fseek(fo, 0, SEEK_END);
+    fsize = ftell(fo);
+    fseek(fo, 0, SEEK_SET);
+    buf = malloc(fsize + 1);
+    fread(buf, fsize, 1, fo);
+    fclose(fo);
+    fwrite(buf, fsize, 1, fh);
+    fclose(fh);
+    free(buf);
+    if (anames)
+        free(anames);
+    if (afpos)
+        free(afpos);
+    remove(tfile);
+    return 0;
+}