- Fixed broken winedbg compilation on BSD.

- Fixed some corner case handling in ELF list walking (reported by
  Robert Shearman).

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.58 for Wine 20040121.
+# Generated by GNU Autoconf 2.59 for Wine 20040121.
 #
 # Report bugs to <wine-devel@winehq.org>.
 #
@@ -852,37 +852,26 @@ if test -n "$ac_init_help"; then
 Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --disable-win16
-                          do not include Win16 support
-  --disable-debug
-                          compile out all debugging messages
-  --disable-trace
-                          compile out TRACE messages
+  --disable-win16         do not include Win16 support
+  --disable-debug         compile out all debugging messages
+  --disable-trace         compile out TRACE messages
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --without-opengl
-                          do not use OpenGL
-  --without-curses
-                          do not use curses
-  --with-wine-tools=<dir>
-                          use Wine tools from directory <dir>
+  --without-opengl        do not use OpenGL
+  --without-curses        do not use curses
+  --with-wine-tools=<dir> use Wine tools from directory <dir>
   --with-x                use the X Window System
 
 Some influential environment variables:
-  CC
-              C compiler command
-  CFLAGS
-              C compiler flags
-  LDFLAGS
-              linker flags, e.g. -L<lib dir> if you have
-              libraries in a nonstandard directory <lib dir>
-  CPPFLAGS
-              C/C++ preprocessor flags, e.g. -I<include dir> if you
-              have headers in a nonstandard directory <include dir>
-  CPP
-              C preprocessor
+  CC          C compiler command
+  CFLAGS      C compiler flags
+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
+              nonstandard directory <lib dir>
+  CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
+              headers in a nonstandard directory <include dir>
+  CPP         C preprocessor
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -984,7 +973,7 @@ test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
 Wine configure 20040121
-generated by GNU Autoconf 2.58
+generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -998,7 +987,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by Wine $as_me 20040121, which was
-generated by GNU Autoconf 2.58.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
 
@@ -15758,6 +15747,8 @@ done
 
 
 
+
+
 
 
 
@@ -15804,7 +15795,9 @@ for ac_header in \
 	stdint.h \
 	strings.h \
 	sys/cdio.h \
+	sys/elf32.h \
 	sys/errno.h \
+	sys/exec_elf.h \
 	sys/file.h \
 	sys/filio.h \
 	sys/inttypes.h \
@@ -19436,7 +19429,7 @@ _ASBOX
 cat >&5 <<_CSEOF
 
 This file was extended by Wine $as_me 20040121, which was
-generated by GNU Autoconf 2.58.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -19499,7 +19492,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 Wine config.status 20040121
-configured by $0, generated by GNU Autoconf 2.58,
+configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
 Copyright (C) 2003 Free Software Foundation, Inc.

configure.ac

@@ -1087,7 +1087,9 @@ AC_CHECK_HEADERS(\
 	stdint.h \
 	strings.h \
 	sys/cdio.h \
+	sys/elf32.h \
 	sys/errno.h \
+	sys/exec_elf.h \
 	sys/file.h \
 	sys/filio.h \
 	sys/inttypes.h \

programs/winedbg/elf.c

@@ -41,17 +41,29 @@
 #define __ELF__
 #endif
 
-#ifdef __ELF__
 #ifdef HAVE_ELF_H
 # include <elf.h>
 #endif
+#ifdef HAVE_SYS_ELF32_H
+# include <sys/elf32.h>
+#endif
+#ifdef HAVE_SYS_EXEC_ELF_H
+# include <sys/exec_elf.h>
+#endif
+#if !defined(DT_NUM)
+# if defined(DT_COUNT)
+#  define DT_NUM DT_COUNT
+# else
+/* this seems to be a satisfactory value on Solaris, which doesn't support this AFAICT */
+#  define DT_NUM 24
+# endif
+#endif
 #ifdef HAVE_LINK_H
 # include <link.h>
 #endif
 #ifdef HAVE_SYS_LINK_H
 # include <sys/link.h>
 #endif
-#endif
 
 #include "wine/debug.h"
 
@@ -249,6 +261,24 @@ leave:
     return dil;
 }
 
+static unsigned is_dt_flag_valid(unsigned d_tag)
+{
+#ifndef DT_PROCNUM
+#define DT_PROCNUM 0
+#endif
+#ifndef DT_EXTRANUM
+#define DT_PROCNUM 0
+#endif
+    return (d_tag >= 0 && d_tag < DT_NUM + DT_PROCNUM + DT_EXTRANUM)
+#if defined(DT_LOOS) && defined(DT_HIOS)
+        || (d_tag >= DT_LOOS && d_tag < DT_HIOS)
+#endif
+#if defined(DT_LOPROC) && defined(DT_HIPROC)
+        || (d_tag >= DT_LOPROC && d_tag < DT_HIPROC)
+#endif
+        ;
+}
+
 /*
  * Loads the information for ELF module stored in 'filename'
  * the module has been loaded at 'load_offset' address
@@ -339,12 +369,7 @@ static enum DbgInfoLoad DEBUG_ProcessElfFile(HANDLE hProcess,
                 do
                 {
                     if (!ReadProcessMemory(hProcess, ptr, &dyn, sizeof(dyn), &len) ||
-                        len != sizeof(dyn) ||
-                        !((dyn.d_tag >= 0 && 
-                           dyn.d_tag < DT_NUM+DT_PROCNUM+DT_EXTRANUM) ||
-                          (dyn.d_tag >= DT_LOOS && dyn.d_tag < DT_HIOS) ||
-                          (dyn.d_tag >= DT_LOPROC && dyn.d_tag < DT_HIPROC))
-                        )
+                        len != sizeof(dyn) || !is_dt_flag_valid(dyn.d_tag))
                         dyn.d_tag = DT_NULL;
                     ptr += sizeof(dyn);
                 } while (dyn.d_tag != DT_DEBUG && dyn.d_tag != DT_NULL);
@@ -402,7 +427,7 @@ static enum DbgInfoLoad DEBUG_ProcessElfFileFromPath(HANDLE hProcess,
     char                *s, *t, *fn;
     char*	        paths = NULL;
 
-    if (!path) return -1;
+    if (!path) return dil;
 
     for (s = paths = DBG_strdup(path); s && *s; s = (t) ? (t+1) : NULL) 
     {
@@ -430,7 +455,7 @@ static enum DbgInfoLoad DEBUG_ProcessElfObject(HANDLE hProcess,
 {
    enum DbgInfoLoad	dil = DIL_ERROR;
 
-   if (filename == NULL) return DIL_ERROR;
+   if (filename == NULL || *filename == '\0') return DIL_ERROR;
    if (DEBUG_FindModuleByName(filename, DMT_ELF))
    {
        assert(!(elf_info->flags & ELF_INFO_PATH));