#include <time.h>
#include <stdlib.h> /* exit() */
#include <string.h> /* strcat(), strcpy() */
+#include <inttypes.h>
#include <assert.h>
-/* 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
-
#include "compress.h"
#include <libiberty.h>
+#include "stubs.h"
+const char *elf2flt_progname;
+
/* from uClinux-x.x.x/include/linux */
#include "flat.h" /* Binary flat header description */
#endif
-/****************************************************************************/
+#if defined TARGET_bfin
+# define flat_get_relocate_addr(addr) (addr & 0x03ffffff)
+#else
+# define flat_get_relocate_addr(addr) (addr)
+#endif
-char *program_name;
+/****************************************************************************/
-static int print = 0, docompress = 0, ramload = 0, stacksize = 0, ktrace = 0;
+static int print = 0, print_relocs = 0, docompress = 0, ramload = 0,
+ stacksize = 0, ktrace = 0, l1stack = 0;
/****************************************************************************/
if (fread_stream(&old_hdr, sizeof(old_hdr), 1, &ifp) != 1) {
fprintf(stderr, "Cannot read header of %s\n", ifile);
+ fclose_stream(&ifp);
return;
}
if (strncmp(old_hdr.magic, "bFLT", 4) != 0) {
fprintf(stderr, "Cannot read header of %s\n", ifile);
+ fclose_stream(&ifp);
return;
}
else if (ktrace < 0)
new_flags &= ~FLAT_FLAG_KTRACE;
+ if (l1stack > 0)
+ new_flags |= FLAT_FLAG_L1STK;
+ else if (l1stack < 0)
+ new_flags &= ~FLAT_FLAG_L1STK;
+
if (stacksize)
new_stack = stacksize;
if (print == 1) {
time_t t;
+ uint32_t reloc_count, reloc_start;
printf("%s\n", ifile);
printf(" Magic: %4.4s\n", old_hdr.magic);
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));
+ reloc_start = ntohl(old_hdr.reloc_start);
+ printf(" Reloc Start: 0x%x\n", reloc_start);
+ reloc_count = ntohl(old_hdr.reloc_count);
+ printf(" Reloc Count: 0x%x\n", reloc_count);
printf(" Flags: 0x%x ( ", ntohl(old_hdr.flags));
if (old_flags) {
if (old_flags & FLAT_FLAG_RAM)
printf("Gzip-Data-Compressed ");
if (old_flags & FLAT_FLAG_KTRACE)
printf("Kernel-Traced-Load ");
+ if (old_flags & FLAT_FLAG_L1STK)
+ printf("L1-Scratch-Stack ");
printf(")\n");
}
+
+ if (print_relocs) {
+ uint32_t *relocs = xcalloc(reloc_count, sizeof(uint32_t));
+ uint32_t i;
+ unsigned long r;
+
+ printf(" Relocs:\n");
+ printf(" #\treloc ( address )\tdata\n");
+
+ if (old_flags & FLAT_FLAG_GZIP)
+ reopen_stream_compressed(&ifp);
+ if (fseek_stream(&ifp, reloc_start, SEEK_SET)) {
+ fprintf(stderr, "Cannot seek to relocs of %s\n", ifile);
+ fclose_stream(&ifp);
+ return;
+ }
+ if (fread_stream(relocs, sizeof(uint32_t), reloc_count, &ifp) == -1) {
+ fprintf(stderr, "Cannot read relocs of %s\n", ifile);
+ fclose_stream(&ifp);
+ return;
+ }
+
+ for (i = 0; i < reloc_count; ++i) {
+ uint32_t raddr, addr;
+ r = ntohl(relocs[i]);
+ raddr = flat_get_relocate_addr(r);
+ printf(" %u\t0x%08lx (0x%08"PRIx32")\t", i, r, raddr);
+ fseek_stream(&ifp, sizeof(old_hdr) + raddr, SEEK_SET);
+ fread_stream(&addr, sizeof(addr), 1, &ifp);
+ printf("%"PRIx32"\n", addr);
+ }
+
+ /* reset file position for below */
+ fseek_stream(&ifp, sizeof(old_hdr), SEEK_SET);
+ }
} else if (print > 1) {
static int first = 1;
unsigned int text, data, bss, stk, rel, tot;
}
/* if there is nothing else to do, leave */
- if (new_flags == old_flags && new_stack == old_stack)
+ if (new_flags == old_flags && new_stack == old_stack) {
+ fclose_stream(&ifp);
return;
-
+ }
+
new_hdr.flags = htonl(new_flags);
new_hdr.stack_size = htonl(new_stack);
tfile = make_temp_file("flthdr");
if (fopen_stream_u(&ofp, tfile, "w" BINARY_FILE_OPTS)) {
- fprintf(stderr, "Failed to open %s for writing\n", tfile);
unlink(tfile);
- exit(1);
+ fatal("Failed to open %s for writing\n", tfile);
}
/* Copy header (always uncompressed). */
if (fwrite_stream(&new_hdr, sizeof(new_hdr), 1, &ofp) != 1) {
- fprintf(stderr, "Failed to write to %s\n", tfile);
unlink(tfile);
- exit(1);
+ fatal("Failed to write to %s\n", tfile);
}
/* Whole input file (including text) is compressed: start decompressing
output_error = ferror_stream(&ofp);
if (input_error || output_error) {
- fprintf(stderr, "Error on file pointer%s%s\n",
+ unlink(tfile);
+ fatal("Error on file pointer%s%s\n",
input_error ? " input" : "",
output_error ? " output" : "");
- unlink(tfile);
- exit(1);
}
fclose_stream(&ifp);
{
if (s)
fprintf(stderr, "%s\n", s);
- fprintf(stderr, "usage: %s [options] flat-file\n", program_name);
+ fprintf(stderr, "usage: %s [options] flat-file\n", elf2flt_progname);
fprintf(stderr, " Allows you to change an existing flat file\n\n");
fprintf(stderr, " -p : print current settings\n");
+ fprintf(stderr, " -P : print relocations\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 : 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, " -u : place stack in L1 scratchpad memory\n");
+ fprintf(stderr, " -U : place stack in normal SDRAM memory\n");
fprintf(stderr, " -s size : stack size\n");
fprintf(stderr, " -o file : output-file\n"
" (default is to modify input file)\n");
int
main(int argc, char *argv[])
{
- int c;
+ int c, noargs;
char *ofile = NULL, *ifile;
- program_name = argv[0];
+ elf2flt_progname = argv[0];
- while ((c = getopt(argc, argv, "pdzZrRkKs:o:")) != EOF) {
+ noargs = 1;
+ while ((c = getopt(argc, argv, "pPdzZrRuUkKs:o:")) != EOF) {
switch (c) {
case 'p': print = 1; break;
+ case 'P': print_relocs = 1; break;
case 'z': docompress = 1; break;
case 'd': docompress = 2; break;
case 'Z': docompress = -1; break;
case 'R': ramload = -1; break;
case 'k': ktrace = 1; break;
case 'K': ktrace = -1; break;
+ case 'u': l1stack = 1; break;
+ case 'U': l1stack = -1; break;
case 'o': ofile = optarg; break;
case 's':
if (sscanf(optarg, "%i", &stacksize) != 1)
usage("invalid option");
break;
}
+ noargs = 0;
}
if (optind >= argc)
if (ofile && argc - optind > 1)
usage("-o can only be used with a single file");
- if (!print && !docompress && !ramload && !stacksize) /* no args == print */
+ if (!print && noargs) /* no args == print */
print = argc - optind; /* greater than 1 is short format */
-
+
for (c = optind; c < argc; c++) {
ifile = argv[c];
if (!ofile)
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