Added debugging option --disable-random-id.

src/main.cpp

@@ -603,6 +603,9 @@ static int do_option(int optc, const char *arg)
             e_optarg(arg);
         opt->debug.dump_stub_loader = mfx_optarg;
         break;
+    case 545:
+        opt->debug.disable_random_id = true;
+        break;
 
     // misc
     case 512:
@@ -888,6 +891,7 @@ static const struct mfx_option longopts[] =
     {"dump-stub-loader" ,0x31, 0, 544},     // for internal debugging
     {"fake-stub-version",0x31, 0, 542},     // for internal debugging
     {"fake-stub-year"   ,0x31, 0, 543},     // for internal debugging
+    {"disable-random-id",0x10, 0, 545},     // for internal debugging
 
     // backup options
     {"backup",           0x10, 0, 'k'},
@@ -1032,6 +1036,9 @@ static const struct mfx_option longopts[] =
     {"silent",              0, 0, 'q'},     // quiet mode
     {"verbose",             0, 0, 'v'},     // verbose mode
 
+    // debug options
+    {"disable-random-id",0x10, 0, 545},     // for internal debugging
+
     // backup options
     {"backup",           0x10, 0, 'k'},
     {"keep",             0x10, 0, 'k'},

src/options.h

@@ -71,6 +71,7 @@ struct options_t {
     // debug options
     struct {
         int debug_level;
+        bool disable_random_id;         // for Packer::getRandomId()
         const char *dump_stub_loader;
         char fake_stub_version[4+1];    // for internal debugging
         char fake_stub_year[4+1];       // for internal debugging

src/packer.cpp

@@ -575,6 +575,8 @@ void Packer::copyOverlay(OutputFile *fo, unsigned overlay,
 // Create a pseudo-unique program id.
 unsigned Packer::getRandomId() const
 {
+    if (opt->debug.disable_random_id)
+        return 0x01020304;
     unsigned id = 0;
 #if 0 && defined(__unix__)
     // Don't consume precious bytes from /dev/urandom.