From d751cecbb1ca1b7ac0a7bc8492e0e61e6c5fc0c7 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 17 May 2011 20:39:40 +0000
Subject: 	* tools/build/.cvsignore, tools/build/ChangeLog, 
 tools/build/Makefile.am, tools/build/README, tools/build/binpatch.c, 
 tools/build/cklength.c, tools/build/config.h.in, 
 tools/build/configure.ac, tools/build/cvsignore-add.sh, 
 tools/build/doxy-filter, tools/build/eolstrip.c, 
 tools/build/install-if-change.in, tools/build/multigen, 
 tools/build/packhex.c, tools/build/rtems-bin2c.c, 
 tools/build/search-id.sh, tools/build/unhex.c, tools/cpu/.cvsignore, 
 tools/cpu/ChangeLog, tools/cpu/Makefile.am, tools/cpu/configure.ac, 
 tools/cpu/generic/.cvsignore, tools/cpu/generic/ChangeLog, 
 tools/cpu/generic/Makefile.am, tools/cpu/generic/configure.ac, 
 tools/cpu/generic/size_rtems.in, tools/cpu/nios2/.cvsignore, 
 tools/cpu/nios2/ChangeLog, tools/cpu/nios2/Makefile.am, 
 tools/cpu/nios2/README, tools/cpu/nios2/bridges.c, 
 tools/cpu/nios2/bridges.h, tools/cpu/nios2/clocks.c, 
 tools/cpu/nios2/clocks.h, tools/cpu/nios2/configure.ac, 
 tools/cpu/nios2/devices.c, tools/cpu/nios2/devices.h, 
 tools/cpu/nios2/linkcmds.c, tools/cpu/nios2/linkcmds.h, 
 tools/cpu/nios2/memory.c, tools/cpu/nios2/memory.h, 
 tools/cpu/nios2/nios2gen.c, tools/cpu/nios2/output.c, 
 tools/cpu/nios2/output.h, tools/cpu/nios2/ptf.c, 	tools/cpu/nios2/ptf.h,
 tools/cpu/nios2/sample.ptf, 	tools/cpu/sh/.cvsignore, tools/cpu/sh/AUTHORS,
 tools/cpu/sh/COPYING, 	tools/cpu/sh/ChangeLog, tools/cpu/sh/Makefile.am,
 tools/cpu/sh/TODO, 	tools/cpu/sh/configure.ac, tools/cpu/sh/sci.c,
 tools/cpu/sh/sci.h, 	tools/cpu/sh/shgen.c: New files.

---
 tools/build/binpatch.c | 156 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 tools/build/binpatch.c

(limited to 'tools/build/binpatch.c')

diff --git a/tools/build/binpatch.c b/tools/build/binpatch.c
new file mode 100644
index 0000000000..b9e2ac1a06
--- /dev/null
+++ b/tools/build/binpatch.c
@@ -0,0 +1,156 @@
+/*
+ *  $Id$
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+ * This function will patch binary file
+ */
+
+
+static char buf[512];
+
+static void
+usage(void)
+{
+  printf("usage: binpatch [-h] <ofile> <ifile> <reloc> <off> <byte0> "
+         "[<byte1> [<byte2> [<byte3>]]]\n");
+  printf("this function patches binary file at specified offset with\n");
+  printf("up to 4 bytes provided on command line \n");
+  printf("-h       - prints this message\n\n");
+  printf("<ofile>  - output file\n");
+  printf("<ifile>  - input ifile\n");
+  printf("<reloc>  - relocation address of image\n");
+  printf("<off>    - offset of patch, offset in file is at off - reloc\n");
+  printf("<byte0>  - byte 0 of patch\n");
+  printf("<byte1>  - byte 1 of patch\n");
+  printf("<byte2>  - byte 1 of patch\n");
+  printf("<byte3>  - byte 1 of patch\n");
+
+  return;
+}
+
+int
+main(int argc, char **argv)
+{
+  int   c;
+  FILE  *ofp, *ifp;
+  char  patch[4], *end;
+  int   patchLen, tmp, i, off, cnt, patched, len, reloc;
+
+
+  /* parse command line options */
+  while ((c = getopt(argc, argv, "h")) >= 0)
+    {
+      switch (c)
+	{
+	case 'h':
+	  usage();
+	  return 0;
+	default:
+	  usage();
+	  return 1;
+	}
+    }
+
+  if(argc < 6)
+    {
+      usage();
+      return 1;
+    }
+
+  /* Let us get offset in file */
+  reloc = strtol(argv[3], &end, 0);
+  if(end == argv[3] || off < 0)
+    {
+      fprintf(stderr, "bad reloc value %s\n", argv[3]);
+      return 1;
+    }
+
+  off = strtol(argv[4], &end, 0);
+  if(end == argv[4] || off < 0 || off < reloc)
+    {
+      fprintf(stderr, "bad offset value %s\n", argv[4]);
+      return 1;
+    }
+
+  off -= reloc;
+
+  /* Let us get patch  */
+  patchLen = argc - 5;
+
+  for(i=0; i<patchLen; i++)
+    {
+      tmp = strtol(argv[5+i], &end, 0);
+
+      if(end == argv[4+i] || tmp < 0 || tmp > 0xff)
+	{
+	  fprintf(stderr, "bad byte value %s\n", argv[5+i]);
+	  return 1;
+	}
+      patch[i] = tmp;
+    }
+
+  ifp = fopen(argv[2], "r");
+  if(ifp == NULL)
+    {
+      fprintf(stderr, "unable to open file %s\n", argv[2]);
+      return 1;
+    }
+
+  ofp = fopen(argv[1], "w");
+  if(ofp == NULL)
+    {
+      fprintf(stderr, "unable to open file %s\n", argv[1]);
+      return 1;
+    }
+
+  cnt     = 0;
+  patched = 0;
+  for(;;)
+    {
+      len = fread(buf, 1, sizeof(buf), ifp);
+
+      if(len == 0)
+	{
+	  break;
+	}
+
+      if(cnt <= off && (cnt + len) > off)
+	{
+	  /* Perform patch */
+	  for(i=0; i<patchLen && (off+i)<(cnt+len); i++)
+	    {
+	      buf[off-cnt+i] = patch[i];
+	    }
+	  patched = 1;
+	}
+      else if(cnt > off && cnt < (off + patchLen))
+	{
+	  /* Perform patch */
+	  for(i=cnt-off; i<patchLen; i++)
+	    {
+	      buf[off-cnt+i] = patch[i];
+	    }
+	  patched = 1;
+	}
+
+      fwrite(buf, 1, len, ofp);
+
+      cnt += len;
+    }
+
+  fclose(ifp);
+  fclose(ofp);
+
+  if(!patched)
+    {
+      fprintf(stderr, "warning: offset is beyond input file length\n");
+      fprintf(stderr, "         no patch is performed\n");
+    }
+
+  return 0;
+}
-- 
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