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-rw-r--r--toolchain/elf2flt/elf2flt/flthdr.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/toolchain/elf2flt/elf2flt/flthdr.c b/toolchain/elf2flt/elf2flt/flthdr.c
deleted file mode 100644
index 967d64063..000000000
--- a/toolchain/elf2flt/elf2flt/flthdr.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/****************************************************************************/
-/*
- * A simple program to manipulate flat files
- *
- * Copyright (C) 2001-2003 SnapGear Inc, davidm@snapgear.com
- * Copyright (C) 2001 Lineo, davidm@lineo.com
- *
- * This is Free Software, under the GNU Public Licence v2 or greater.
- *
- */
-/****************************************************************************/
-
-#include <stdio.h> /* Userland pieces of the ANSI C standard I/O package */
-#include <unistd.h> /* Userland prototypes of the Unix std system calls */
-#include <time.h>
-#include <stdlib.h> /* exit() */
-#include <string.h> /* strcat(), strcpy() */
-
-/* macros for conversion between host and (internet) network byte order */
-#ifndef WIN32
-#include <netinet/in.h> /* Consts and structs defined by the internet system */
-#define BINARY_FILE_OPTS
-#else
-#include <winsock2.h>
-#define BINARY_FILE_OPTS "b"
-#endif
-
-/* from uClinux-x.x.x/include/linux */
-#include "flat.h" /* Binary flat header description */
-
-#if defined(__MINGW32__)
-#include <getopt.h>
-
-#define mkstemp(p) mktemp(p)
-
-#endif
-
-/****************************************************************************/
-
-char *program_name;
-
-static char cmd[1024];
-static int print = 0, compress = 0, ramload = 0, stacksize = 0, ktrace = 0;
-static int short_format = 0;
-
-/****************************************************************************/
-
-void
-transferr(FILE *ifp, FILE *ofp, int count)
-{
- int n, num;
-
- while (count == -1 || count > 0) {
- if (count == -1 || count > sizeof(cmd))
- num = sizeof(cmd);
- else
- num = count;
- n = fread(cmd, 1, num, ifp);
- if (n == 0)
- break;
- if (fwrite(cmd, n, 1, ofp) != 1) {
- fprintf(stderr, "Write failed :-(\n");
- exit(1);
- }
- if (count != -1)
- count -= n;
- }
- if (count > 0) {
- fprintf(stderr, "Failed to transferr %d bytes\n", count);
- exit(1);
- }
-}
-
-/****************************************************************************/
-
-void
-process_file(char *ifile, char *ofile)
-{
- int old_flags, old_stack, new_flags, new_stack;
- FILE *ifp, *ofp;
- int ofp_is_pipe = 0;
- struct flat_hdr old_hdr, new_hdr;
- char tfile[256];
- char tfile2[256];
-
- *tfile = *tfile2 = '\0';
-
- if ((ifp = fopen(ifile, "r" BINARY_FILE_OPTS)) == NULL) {
- fprintf(stderr, "Cannot open %s\n", ifile);
- return;
- }
-
- if (fread(&old_hdr, sizeof(old_hdr), 1, ifp) != 1) {
- fprintf(stderr, "Cannot read header of %s\n", ifile);
- return;
- }
-
- if (strncmp(old_hdr.magic, "bFLT", 4) != 0) {
- fprintf(stderr, "Cannot read header of %s\n", ifile);
- return;
- }
-
- new_flags = old_flags = ntohl(old_hdr.flags);
- new_stack = old_stack = ntohl(old_hdr.stack_size);
- new_hdr = old_hdr;
-
- if (compress == 1) {
- new_flags |= FLAT_FLAG_GZIP;
- new_flags &= ~FLAT_FLAG_GZDATA;
- } else if (compress == 2) {
- new_flags |= FLAT_FLAG_GZDATA;
- new_flags &= ~FLAT_FLAG_GZIP;
- } else if (compress < 0)
- new_flags &= ~(FLAT_FLAG_GZIP|FLAT_FLAG_GZDATA);
-
- if (ramload > 0)
- new_flags |= FLAT_FLAG_RAM;
- else if (ramload < 0)
- new_flags &= ~FLAT_FLAG_RAM;
-
- if (ktrace > 0)
- new_flags |= FLAT_FLAG_KTRACE;
- else if (ktrace < 0)
- new_flags &= ~FLAT_FLAG_KTRACE;
-
- if (stacksize)
- new_stack = stacksize;
-
- if (print == 1) {
- time_t t;
-
- printf("%s\n", ifile);
- printf(" Magic: %4.4s\n", old_hdr.magic);
- printf(" Rev: %d\n", ntohl(old_hdr.rev));
- t = (time_t) htonl(old_hdr.build_date);
- printf(" Build Date: %s", t?ctime(&t):"not specified\n");
- printf(" Entry: 0x%x\n", ntohl(old_hdr.entry));
- printf(" Data Start: 0x%x\n", ntohl(old_hdr.data_start));
- printf(" Data End: 0x%x\n", ntohl(old_hdr.data_end));
- printf(" BSS End: 0x%x\n", ntohl(old_hdr.bss_end));
- printf(" Stack Size: 0x%x\n", ntohl(old_hdr.stack_size));
- printf(" Reloc Start: 0x%x\n", ntohl(old_hdr.reloc_start));
- printf(" Reloc Count: 0x%x\n", ntohl(old_hdr.reloc_count));
- printf(" Flags: 0x%x ( ", ntohl(old_hdr.flags));
- if (old_flags) {
- if (old_flags & FLAT_FLAG_RAM)
- printf("Load-to-Ram ");
- if (old_flags & FLAT_FLAG_GOTPIC)
- printf("Has-PIC-GOT ");
- if (old_flags & FLAT_FLAG_GZIP)
- printf("Gzip-Compressed ");
- if (old_flags & FLAT_FLAG_GZDATA)
- printf("Gzip-Data-Compressed ");
- if (old_flags & FLAT_FLAG_KTRACE)
- printf("Kernel-Traced-Load ");
- printf(")\n");
- }
- } else if (print > 1) {
- static int first = 1;
- unsigned int text, data, bss, stk, rel, tot;
-
- if (first) {
- printf("Flag Rev Text Data BSS Stack Relocs RAM Filename\n");
- printf("-----------------------------------------------------------\n");
- first = 0;
- }
- *tfile = '\0';
- strcat(tfile, (old_flags & FLAT_FLAG_KTRACE) ? "k" : "");
- strcat(tfile, (old_flags & FLAT_FLAG_RAM) ? "r" : "");
- strcat(tfile, (old_flags & FLAT_FLAG_GOTPIC) ? "p" : "");
- strcat(tfile, (old_flags & FLAT_FLAG_GZIP) ? "z" :
- ((old_flags & FLAT_FLAG_GZDATA) ? "d" : ""));
- printf("-%-3.3s ", tfile);
- printf("%3d ", ntohl(old_hdr.rev));
- printf("%6d ", text=ntohl(old_hdr.data_start)-sizeof(struct flat_hdr));
- printf("%6d ", data=ntohl(old_hdr.data_end)-ntohl(old_hdr.data_start));
- printf("%6d ", bss=ntohl(old_hdr.bss_end)-ntohl(old_hdr.data_end));
- printf("%6d ", stk=ntohl(old_hdr.stack_size));
- printf("%6d ", rel=ntohl(old_hdr.reloc_count) * 4);
- /*
- * work out how much RAM is needed per invocation, this
- * calculation is dependent on the binfmt_flat implementation
- */
- tot = data; /* always need data */
-
- if (old_flags & (FLAT_FLAG_RAM|FLAT_FLAG_GZIP))
- tot += text + sizeof(struct flat_hdr);
-
- if (bss + stk > rel) /* which is bigger ? */
- tot += bss + stk;
- else
- tot += rel;
-
- printf("%6d ", tot);
- /*
- * the total depends on whether the relocs are smaller/bigger than
- * the BSS
- */
- printf("%s\n", ifile);
- }
-
- /* if there is nothing else to do, leave */
- if (new_flags == old_flags && new_stack == old_stack)
- return;
-
- new_hdr.flags = htonl(new_flags);
- new_hdr.stack_size = htonl(new_stack);
-
- strcpy(tfile, "/tmp/flatXXXXXX");
- mkstemp(tfile);
- if ((ofp = fopen(tfile, "w" BINARY_FILE_OPTS)) == NULL) {
- fprintf(stderr, "Failed to open %s for writing\n", tfile);
- unlink(tfile);
- unlink(tfile2);
- exit(1);
- }
-
- if (fwrite(&new_hdr, sizeof(new_hdr), 1, ofp) != 1) {
- fprintf(stderr, "Failed to write to %s\n", tfile);
- unlink(tfile);
- unlink(tfile2);
- exit(1);
- }
-
- /*
- * get ourselves a fully uncompressed copy of the text/data/relocs
- * so that we can manipulate it more easily
- */
- if (old_flags & (FLAT_FLAG_GZIP|FLAT_FLAG_GZDATA)) {
- FILE *tfp;
-
- strcpy(tfile2, "/tmp/flat2XXXXXX");
- mkstemp(tfile2);
-
- if (old_flags & FLAT_FLAG_GZDATA) {
- tfp = fopen(tfile2, "w" BINARY_FILE_OPTS);
- if (!tfp) {
- fprintf(stderr, "Failed to open %s for writing\n", tfile2);
- exit(1);
- }
- transferr(ifp, tfp, ntohl(old_hdr.data_start) -
- sizeof(struct flat_hdr));
- fclose(tfp);
- }
-
- sprintf(cmd, "gunzip >> %s", tfile2);
- tfp = popen(cmd, "w" BINARY_FILE_OPTS);
- if(!tfp) {
- perror("popen");
- exit(1);
- }
- transferr(ifp, tfp, -1);
- pclose(tfp);
-
- fclose(ifp);
- ifp = fopen(tfile2, "r" BINARY_FILE_OPTS);
- if (!ifp) {
- fprintf(stderr, "Failed to open %s for reading\n", tfile2);
- unlink(tfile);
- unlink(tfile2);
- exit(1);
- }
- }
-
- if (new_flags & FLAT_FLAG_GZIP) {
- printf("zflat %s --> %s\n", ifile, ofile);
- fclose(ofp);
- sprintf(cmd, "gzip -9 -f >> %s", tfile);
- ofp = popen(cmd, "w" BINARY_FILE_OPTS);
- ofp_is_pipe = 1;
- } else if (new_flags & FLAT_FLAG_GZDATA) {
- printf("zflat-data %s --> %s\n", ifile, ofile);
- transferr(ifp, ofp, ntohl(new_hdr.data_start) -
- sizeof(struct flat_hdr));
- fclose(ofp);
- sprintf(cmd, "gzip -9 -f >> %s", tfile);
- ofp = popen(cmd, "w" BINARY_FILE_OPTS);
- ofp_is_pipe = 1;
- }
-
- if (!ofp) { /* can only happen if using gzip/gunzip */
- fprintf(stderr, "Can't run cmd %s\n", cmd);
- unlink(tfile);
- unlink(tfile2);
- exit(1);
- }
-
- transferr(ifp, ofp, -1);
-
- if (ferror(ifp) || ferror(ofp)) {
- fprintf(stderr, "Error on file pointer%s%s\n",
- ferror(ifp) ? " input" : "", ferror(ofp) ? " output" : "");
- unlink(tfile);
- unlink(tfile2);
- exit(1);
- }
-
- fclose(ifp);
- if (ofp_is_pipe)
- pclose(ofp);
- else
- fclose(ofp);
-
- /* cheat a little here to preserve file permissions */
- sprintf(cmd, "cp %s %s", tfile, ofile);
- system(cmd);
- unlink(tfile);
- unlink(tfile2);
-}
-
-/****************************************************************************/
-
-void
-usage(char *s)
-{
- if (s)
- fprintf(stderr, "%s\n", s);
- fprintf(stderr, "usage: %s [options] flat-file\n", program_name);
- fprintf(stderr, " Allows you to change an existing flat file\n\n");
- fprintf(stderr, " -p : print current settings\n");
- fprintf(stderr, " -z : compressed flat file\n");
- fprintf(stderr, " -d : compressed data-only flat file\n");
- fprintf(stderr, " -Z : un-compressed flat file\n");
- fprintf(stderr, " -r : ram load\n");
- fprintf(stderr, " -R : do not RAM load\n");
- fprintf(stderr, " -k : kernel traced load (for debug)\n");
- fprintf(stderr, " -K : normal non-kernel traced load\n");
- fprintf(stderr, " -s size : stack size\n");
- fprintf(stderr, " -o file : output-file\n"
- " (default is to modify input file)\n");
- exit(1);
-}
-
-/****************************************************************************/
-
-int
-main(int argc, char *argv[])
-{
- int c;
- char *ofile = NULL, *ifile;
-
- program_name = argv[0];
-
- while ((c = getopt(argc, argv, "pdzZrRkKs:o:")) != EOF) {
- switch (c) {
- case 'p': print = 1; break;
- case 'z': compress = 1; break;
- case 'd': compress = 2; break;
- case 'Z': compress = -1; break;
- case 'r': ramload = 1; break;
- case 'R': ramload = -1; break;
- case 'k': ktrace = 1; break;
- case 'K': ktrace = -1; break;
- case 's': stacksize = atoi(optarg); break;
- case 'o': ofile = optarg; break;
- default:
- usage("invalid option");
- break;
- }
- }
-
- if (optind >= argc)
- usage("No input files provided");
-
- if (ofile && argc - optind > 1)
- usage("-o can only be used with a single file");
-
- if (!print && !compress && !ramload && !stacksize) /* no args == print */
- print = argc - optind; /* greater than 1 is short format */
-
- for (c = optind; c < argc; c++) {
- ifile = argv[c];
- if (!ofile)
- ofile = ifile;
- process_file(ifile, ofile);
- ofile = NULL;
- }
-
- exit(0);
-}
-
-/****************************************************************************/
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