Final 1.10 patches.

committer: mfx <mfx> 977313794 +0000

BUGS

@@ -13,8 +13,12 @@
                             http://upx.tsx.org
 
 
-Things not (yet) supported:
+Limitations and other things which are not (yet) supported:
-===========================
+===========================================================
+
+djgpp2/coff
+-----------
+ * all overlays (except Allegro pakfiles) are silently stripped
 
 dos/exe
 -------
@@ -22,30 +26,27 @@ dos/exe
  * max ~24000 relocation records (...should be enough for everyone ;-)
  * exe + sys combined images
 
-wc/le
+watcom/le
------
+---------
  * 16-bit selector alias fixups
- * 16-bit offset relocation for objects larger than 4 kbyte
+ * 16-bit offset relocation for objects larger than 4 kB
  * 16:16 fixups
 
-If you need any of the above (they're very rare), send us an url of a
+If you need any of the above (they're very rare), send us an URL of a
 test file.
 
  * 16-bit objects are not loaded into DOS memory
  * There is still a problem with the wdosx extender: if you compress a
-   wc/le file which does NOT contain the wdosx extender, and after this
+   watcom/le file which does NOT contain the wdosx extender, and after this
    you bind the wdosx stub to the compressed file, then it will work.
    Otherwise it won't.
  * unpacked pmwlite compressed programs might not work when compressed
-   with upx (pmwunlite bug mainly :-)
+   with UPX (this is a bug in pmwunlite)
 
 win32/pe
 --------
  * writeable shared sections (`--force' *may* work)
  * certificates in the image
- * compressing files containing big BSS requires lots of memory
+ * compressing files which contain a big BSS requires lots of memory
-
+   during compression
-djgpp2/coff
------------
- * all overlays (except Allegro pakfiles) are silently stripped
 

README

@@ -13,11 +13,27 @@
                             http://upx.tsx.org
 
 
+
+WARNING - UNSTABLE BETA VERSION
+===============================
+
+All versions 1.1x are unstable beta releases - use them only for testing,
+and never distribute a program that is packed with them !
+There will be hidden bugs. Really.
+
+The current stable release is 1.04, and the next stable release
+will be called version 1.20.
+
+The main news since 1.04 are support for bootable Linux kernels ("vmlinuz/386")
+and direct Linux ELF-to-memory decompression ("linux/elf386"), so there's
+no reason to use the unstable versions unless you want to try the new formats.
+
+
 WELCOME
 =======
 
-Welcome to UPX 1.00, the first production release (after almost two years
+Welcome to UPX 1.0x, the first production release after almost two years
-of beta testing).
+of beta testing.
 
 Please don't forget to read the new LICENSE - UPX is now distributed
 under the GNU General Public License (GPL) with special exceptions
@@ -38,7 +54,8 @@ and run exactly as before, with no runtime or memory penalty for most
 of the supported formats.
 
 UPX supports a number of different executable formats, including
-Win95/98/2000/NT programs and DLLs, DOS programs, and Linux executables.
+Win95/98/ME/NT/2000 programs and DLLs, DOS programs, and Linux
+executables and kernels.
 
 UPX is free software distributed under the term of the GNU General
 Public License. Full source code is available.

README.1ST

@@ -0,0 +1,28 @@
+                 ooooo     ooo ooooooooo.   ooooooo  ooooo
+                 `888'     `8' `888   `Y88.  `8888    d8'
+                  888       8   888   .d88'    Y888..8P
+                  888       8   888ooo88P'      `8888'
+                  888       8   888            .8PY888.
+                  `88.    .8'   888           d8'  `888b
+                    `YbodP'    o888o        o888o  o88888o
+
+
+                    The Ultimate Packer for eXecutables
+
+
+
+WARNING - UNSTABLE BETA VERSION
+===============================
+
+All versions 1.1x are unstable beta releases - use them only for testing,
+and never distribute a program that is packed with them !
+There will be hidden bugs. Really.
+
+The current stable release is 1.04, and the next stable release
+will be called version 1.20.
+
+The main news since 1.04 are support for bootable Linux kernels ("vmlinuz/386")
+and direct Linux ELF-to-memory decompression ("linux/elf386"), so there's
+no reason to use the unstable versions unless you want to try the new formats.
+
+

doc/upx.pod

@@ -350,7 +350,7 @@ Introduction
   ("linux/386").
 
   We will start with a general discussion first, but please
-  also read the relevant docs for each of the formats.
+  also read the relevant docs for each of the individual formats.
 
   Also, there is special support for bootable kernels - see the
   description of the vmlinuz/386 format.
@@ -537,7 +537,7 @@ How it works:
   the file into low memory, then maps the shell (and its PT_INTERP),
   and passes control to the shell with the entire decompressed file
   as the argument after "-c".  Known shells are sh, ash, bash, bsh, csh,
-  ksh, tcsh, pdksh.  Restriction: UPX 1.10 cannot use this method
+  ksh, tcsh, pdksh.  Restriction: UPX cannot use this method
   for shell scripts which use the one optional string argument after
   the shell name in the script (example: "#! /bin/sh option3\n".)
 

src/Makefile

@@ -48,6 +48,10 @@ override target = vc6
 endif
 
 
+# util var for use in the rules - basename of the current target
+override T = $(basename $@)
+
+
 # /***********************************************************************
 # // object files
 # ************************************************************************/
@@ -120,7 +124,7 @@ LDFLAGS = -g
 else
 LDFLAGS = -s
 endif
-LDFLAGS += -Wl,-Map,$(basename $@).map
+LDFLAGS += -Wl,-Map,$T.map
 LDLIBS =
 LDLIBS = -lz
 LIBDIRS =
@@ -230,7 +234,7 @@ CFLAGS = -W4 -WX
 CXXFLAGS1 = $(CFLAGS) -GR -GX -EHa
 CXXFLAGS2 = $(CFLAGS)
 LDFLAGS =
-LINK_LDFLAGS = /link /map:$(basename $@).map
+LINK_LDFLAGS = /link /map:$T.map
 
 ifneq ($(strip $(DOS_LIBDIRS)),)
 LIB := $(DOS_LIBDIRS);$(LIB)
@@ -245,8 +249,7 @@ ifeq (1,2)
 else
   # link against msvcrt.dll
   CC += -MD
-  ##LDLIBS = $(u).lib zlib.lib setargv.obj
+  LDLIBS = $(DOS_LDLIBS) zlib.lib setargv.obj
-  LDLIBS = $(u).lib setargv.obj
 endif
 ifeq ($(DEBUG),1)
   CFLAGS += -Od -ZI
@@ -306,8 +309,7 @@ CXXFLAGS1 = $(CFLAGS)
 CXXFLAGS2 = $(CFLAGS)
 CFLAGS_OUTPUT = -o$@
 LDFLAGS =
-##LDLIBS = $(u).lib zlib.lib
+LDLIBS = $(DOS_LDLIBS) zlib.lib
-LDLIBS = $(u).lib
 
 ifneq ($(strip $(DOS_LIBDIRS)),)
 LIB := $(DOS_LIBDIRS);$(LIB)
@@ -363,6 +365,17 @@ $(upx_exe): $(OBJECTS) $(LIBS)
 	$(LINK_EXE)
 	$(STUBEDIT_EXE)
 
+
+ifeq ($(target),djgpp2)
+cwsbind: $(upx_exe)
+	-rm -f $T.cof
+	$(upx_exe) -1 --coff -o $T.cof $(upx_exe)
+	cat $(DJDIR)/bin/cwsdstub.exe $T.cof > $(upx_exe)
+	$(upx_exe) -d $(upx_exe)
+	$(upx_exe) --best $(upx_exe)
+endif
+
+
 unupx:
 	$(MAKE) target=vc6 unupx.dll
 

src/Makefile.inc

@@ -26,10 +26,12 @@ DOS_LIBDIRS := $(DOS_LIBDIRS);$(UDIR)
 endif
 
 LDLIBS += -l$(u)
+DOS_LDLIBS += $(u).lib
 
 
 DEFS := $(DEFS)
 INCLUDES := $(INCLUDES)
 LIBDIRS := $(LIBDIRS)
 LDLIBS := $(LDLIBS)
+DOS_LDLIBS := $(DOS_LDLIBS)
 

src/conf.h

@@ -227,11 +227,6 @@ typedef RETSIGTYPE (SIGTYPEENTRY *sig_type)(int);
 #  define MODE_T            int
 #endif
 
-#if !defined(HAVE_STRCHR)
-#  if defined(HAVE_INDEX)
-#    define strchr          index
-#  endif
-#endif
 #if !defined(HAVE_STRCASECMP)
 #  if defined(HAVE_STRICMP)
 #    define strcasecmp      stricmp
@@ -299,8 +294,10 @@ typedef RETSIGTYPE (SIGTYPEENTRY *sig_type)(int);
 #endif
 
 
-// avoid warnings about shadowing that obsolete index() function
+// avoid warnings about shadowing global functions
-#define index   upx_index
+#define basename            upx_basename
+#define index               upx_index
+#define outp                upx_outp
 
 // a dummy statement
 #define nop     ((void)0)

src/help.cpp

@@ -127,9 +127,21 @@ void show_help(int x)
         con_fprintf(f,"Overlay options:\n");
         fg = con_fg(f,fg);
         con_fprintf(f,
-                    "  --overlay=skip      don't compress a file with an overlay\n"
                     "  --overlay=copy      copy any extra data attached to the file [default]\n"
                     "  --overlay=strip     strip any extra data attached to the file [dangerous]\n"
+                    "  --overlay=skip      don't compress a file with an overlay\n"
+                    "\n");
+        fg = con_fg(f,FG_YELLOW);
+        con_fprintf(f,"Options for djgpp2/coff:\n");
+        fg = con_fg(f,fg);
+        con_fprintf(f,
+                    "  --coff              produce COFF output [default: EXE]\n"
+                    "\n");
+        fg = con_fg(f,FG_YELLOW);
+        con_fprintf(f,"Options for dos/com:\n");
+        fg = con_fg(f,fg);
+        con_fprintf(f,
+                    "  --8086              make compressed com work on any 8086\n"
                     "\n");
         fg = con_fg(f,FG_YELLOW);
         con_fprintf(f,"Options for dos/exe:\n");
@@ -139,24 +151,12 @@ void show_help(int x)
                     "  --no-reloc          put no relocations in to the exe header\n"
                     "\n");
         fg = con_fg(f,FG_YELLOW);
-        con_fprintf(f,"Options for dos/com:\n");
-        fg = con_fg(f,fg);
-        con_fprintf(f,
-                    "  --8086              make compressed com work on any 8086\n"
-                    "\n");
-        fg = con_fg(f,FG_YELLOW);
         con_fprintf(f,"Options for dos/sys:\n");
         fg = con_fg(f,fg);
         con_fprintf(f,
                     "  --8086              make compressed sys work on any 8086\n"
                     "\n");
         fg = con_fg(f,FG_YELLOW);
-        con_fprintf(f,"Options for djgpp2/coff:\n");
-        fg = con_fg(f,fg);
-        con_fprintf(f,
-                    "  --coff              produce COFF output [default: EXE]\n"
-                    "\n");
-        fg = con_fg(f,FG_YELLOW);
         con_fprintf(f,"Options for watcom/le:\n");
         fg = con_fg(f,fg);
         con_fprintf(f,
@@ -177,7 +177,7 @@ void show_help(int x)
                     "\n");
 #if 0
         fg = con_fg(f,FG_YELLOW);
-        con_fprintf(f,"Options for linux/i386\n");
+        con_fprintf(f,"Options for linux/386\n");
         fg = con_fg(f,fg);
         con_fprintf(f,
                     "  --script             use /usr/local/lib/upx/upx[bd] as decompressor\n"
@@ -189,12 +189,23 @@ void show_help(int x)
     con_fprintf(f,
                 "  file.. executables to (de)compress\n"
                 "\n"
-                "This version supports: dos/exe, dos/com, dos/sys, djgpp2/coff, watcom/le,\n"
+                "This version supports:\n    "
-                "                       win32/pe, rtm32/pe, tmt/adam, atari/tos\n"
+                "atari/tos, "
-                "                       linux/elf386, linux/sh386, linux/386\n"
+                "bvmlinuz/386, "
-                "%s",
+                "djgpp2/coff, "
-                "\nUPX comes with ABSOLUTELY NO WARRANTY; for details visit http://upx.tsx.org\n"
+                "dos/com, "
-                //"\nUPX comes with ABSOLUTELY NO WARRANTY; for details type `upx -L'.\n"
+                "dos/exe, "
+                "dos/sys,\n    "
+                "linux/386, "
+                "linux/elf386, "
+                "linux/sh386, "
+                "rtm32/pe, "
+                "tmt/adam, "
+                "vmlinuz/386,\n    "
+                "watcom/le, "
+                "win32/pe"
+                "\n\nUPX comes with ABSOLUTELY NO WARRANTY; for details visit http://upx.tsx.org\n"
+                //"\n\nUPX comes with ABSOLUTELY NO WARRANTY; for details type `upx -L'.\n"
                 "");
 
 

src/main.cpp

@@ -1136,6 +1136,14 @@ int main(int argc, char *argv[])
         fg = con_fg(f,fg);
     }
 #endif
+#if 1 && !defined(WITH_NRV)
+    {
+        FILE *f = stdout;
+        int fg = con_fg(f,FG_GREEN);
+        con_fprintf(f,"\nINFO: this version does not use the NRV library - compression ratio is worse\n");
+        fg = con_fg(f,fg);
+    }
+#endif
 
 #if 0 && defined(__GLIBC__)
     //malloc_stats();

src/p_lx_elf.cpp

@@ -130,7 +130,7 @@ void PackLinuxI386elf::patchLoader()
     upx_compress_config_t conf; memset(&conf, 0xff, sizeof(conf));
     conf.c_flags = 0;
     upx_uint result_buffer[16];
-    size_t cprLsize;
+    upx_uint cprLsize;
     upx_compress(
         loader + fold_begin, lsize - fold_begin,
         cprLoader, &cprLsize,

src/p_lx_sh.cpp

@@ -110,7 +110,7 @@ void PackLinuxI386sh::patchLoader()
     upx_compress_config_t conf; memset(&conf, 0xff, sizeof(conf));
     conf.c_flags = 0;
     upx_uint result_buffer[16];
-    size_t cprLsize;
+    upx_uint cprLsize;
     upx_compress(
         loader + fold_begin, lsize - fold_begin,
         cprLoader, &cprLsize,

src/p_unix.cpp

@@ -447,8 +447,8 @@ void PackLinuxI386::patchLoader()
     upx_compress_config_t conf; memset(&conf, 0xff, sizeof(conf));
     conf.c_flags = 0;
     upx_uint result_buffer[16];
-    size_t const uncLsize = lsize - fold_begin;
+    upx_uint const uncLsize = lsize - fold_begin;
-    size_t       cprLsize;
+    upx_uint       cprLsize;
     upx_compress(
         loader + fold_begin, uncLsize,
         cprLoader, &cprLsize,