summaryrefslogtreecommitdiff
path: root/src/tools/asm
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/asm')
-rw-r--r--src/tools/asm/README.Id10
-rw-r--r--src/tools/asm/cmdlib.c1141
-rw-r--r--src/tools/asm/cmdlib.h153
-rw-r--r--src/tools/asm/lib.txt31
-rw-r--r--src/tools/asm/mathlib.h95
-rw-r--r--src/tools/asm/notes.txt16
-rw-r--r--src/tools/asm/ops.txt132
-rw-r--r--src/tools/asm/opstrings.h176
-rw-r--r--src/tools/asm/q3asm.c1647
9 files changed, 3401 insertions, 0 deletions
diff --git a/src/tools/asm/README.Id b/src/tools/asm/README.Id
new file mode 100644
index 0000000..adacb50
--- /dev/null
+++ b/src/tools/asm/README.Id
@@ -0,0 +1,10 @@
+2002-10-25 Timothee Besset <ttimo@idsoftware.com>
+If you are looking for a faster version of the q3asm tool, try:
+http://www.icculus.org/~phaethon/q3/q3asm-turbo/q3asm-turbo.html
+
+2001-10-31 Timothee Besset <ttimo@idsoftware.com>
+updated from the $/source/q3asm code
+modified for portability and use with >= 1.31 mod source release
+
+the cmdlib.c cmdlib.h mathlib.h qfiles.h have been copied from
+$/source/common
diff --git a/src/tools/asm/cmdlib.c b/src/tools/asm/cmdlib.c
new file mode 100644
index 0000000..bf50346
--- /dev/null
+++ b/src/tools/asm/cmdlib.c
@@ -0,0 +1,1141 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+// cmdlib.c
+
+#include "cmdlib.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifdef WIN32
+#include <direct.h>
+#include <windows.h>
+#elif defined(NeXT)
+#include <libc.h>
+#else
+#include <unistd.h>
+#endif
+
+#define BASEDIRNAME "quake" // assumed to have a 2 or 3 following
+#define PATHSEPERATOR '/'
+
+// set these before calling CheckParm
+int myargc;
+char **myargv;
+
+char com_token[1024];
+qboolean com_eof;
+
+qboolean archive;
+char archivedir[1024];
+
+
+/*
+===================
+ExpandWildcards
+
+Mimic unix command line expansion
+===================
+*/
+#define MAX_EX_ARGC 1024
+int ex_argc;
+char *ex_argv[MAX_EX_ARGC];
+#ifdef _WIN32
+#include "io.h"
+void ExpandWildcards( int *argc, char ***argv )
+{
+ struct _finddata_t fileinfo;
+ intptr_t handle;
+ int i;
+ char filename[1024];
+ char filebase[1024];
+ char *path;
+
+ ex_argc = 0;
+ for (i=0 ; i<*argc ; i++)
+ {
+ path = (*argv)[i];
+ if ( path[0] == '-'
+ || ( !strstr(path, "*") && !strstr(path, "?") ) )
+ {
+ ex_argv[ex_argc++] = path;
+ continue;
+ }
+
+ handle = _findfirst (path, &fileinfo);
+ if (handle == -1)
+ return;
+
+ ExtractFilePath (path, filebase);
+
+ do
+ {
+ sprintf (filename, "%s%s", filebase, fileinfo.name);
+ ex_argv[ex_argc++] = copystring (filename);
+ } while (_findnext( handle, &fileinfo ) != -1);
+
+ _findclose (handle);
+ }
+
+ *argc = ex_argc;
+ *argv = ex_argv;
+}
+#else
+void ExpandWildcards (int *argc, char ***argv)
+{
+}
+#endif
+
+#ifdef WIN_ERROR
+#include <windows.h>
+/*
+=================
+Error
+
+For abnormal program terminations in windowed apps
+=================
+*/
+void Error( const char *error, ... )
+{
+ va_list argptr;
+ char text[1024];
+ char text2[1024];
+ int err;
+
+ err = GetLastError ();
+
+ va_start (argptr,error);
+ vsprintf (text, error,argptr);
+ va_end (argptr);
+
+ sprintf (text2, "%s\nGetLastError() = %i", text, err);
+ MessageBox(NULL, text2, "Error", 0 /* MB_OK */ );
+
+ exit (1);
+}
+
+#else
+/*
+=================
+Error
+
+For abnormal program terminations in console apps
+=================
+*/
+void Error( const char *error, ...)
+{
+ va_list argptr;
+
+ _printf ("\n************ ERROR ************\n");
+
+ va_start (argptr,error);
+ vprintf (error,argptr);
+ va_end (argptr);
+ _printf ("\r\n");
+
+ exit (1);
+}
+#endif
+
+// only printf if in verbose mode
+qboolean verbose = qfalse;
+void qprintf( const char *format, ... ) {
+ va_list argptr;
+
+ if (!verbose)
+ return;
+
+ va_start (argptr,format);
+ vprintf (format,argptr);
+ va_end (argptr);
+
+}
+
+#ifdef WIN32
+HWND hwndOut = NULL;
+qboolean lookedForServer = qfalse;
+UINT wm_BroadcastCommand = -1;
+#endif
+
+void _printf( const char *format, ... ) {
+ va_list argptr;
+ char text[4096];
+#ifdef WIN32
+ ATOM a;
+#endif
+ va_start (argptr,format);
+ vsprintf (text, format, argptr);
+ va_end (argptr);
+
+ printf("%s", text);
+
+#ifdef WIN32
+ if (!lookedForServer) {
+ lookedForServer = qtrue;
+ hwndOut = FindWindow(NULL, "Q3Map Process Server");
+ if (hwndOut) {
+ wm_BroadcastCommand = RegisterWindowMessage( "Q3MPS_BroadcastCommand" );
+ }
+ }
+ if (hwndOut) {
+ a = GlobalAddAtom(text);
+ PostMessage(hwndOut, wm_BroadcastCommand, 0, (LPARAM)a);
+ }
+#endif
+}
+
+
+/*
+
+qdir will hold the path up to the quake directory, including the slash
+
+ f:\quake\
+ /raid/quake/
+
+gamedir will hold qdir + the game directory (id1, id2, etc)
+
+ */
+
+char qdir[1024];
+char gamedir[1024];
+char writedir[1024];
+
+void SetQdirFromPath( const char *path )
+{
+ char temp[1024];
+ const char *c;
+ const char *sep;
+ int len, count;
+
+ if (!(path[0] == '/' || path[0] == '\\' || path[1] == ':'))
+ { // path is partial
+ Q_getwd (temp);
+ strcat (temp, path);
+ path = temp;
+ }
+
+ // search for "quake2" in path
+
+ len = strlen(BASEDIRNAME);
+ for (c=path+strlen(path)-1 ; c != path ; c--)
+ {
+ int i;
+
+ if (!Q_strncasecmp (c, BASEDIRNAME, len))
+ {
+ //
+ //strncpy (qdir, path, c+len+2-path);
+ // the +2 assumes a 2 or 3 following quake which is not the
+ // case with a retail install
+ // so we need to add up how much to the next separator
+ sep = c + len;
+ count = 1;
+ while (*sep && *sep != '/' && *sep != '\\')
+ {
+ sep++;
+ count++;
+ }
+ strncpy (qdir, path, c+len+count-path);
+ qprintf ("qdir: %s\n", qdir);
+ for ( i = 0; i < strlen( qdir ); i++ )
+ {
+ if ( qdir[i] == '\\' )
+ qdir[i] = '/';
+ }
+
+ c += len+count;
+ while (*c)
+ {
+ if (*c == '/' || *c == '\\')
+ {
+ strncpy (gamedir, path, c+1-path);
+
+ for ( i = 0; i < strlen( gamedir ); i++ )
+ {
+ if ( gamedir[i] == '\\' )
+ gamedir[i] = '/';
+ }
+
+ qprintf ("gamedir: %s\n", gamedir);
+
+ if ( !writedir[0] )
+ strcpy( writedir, gamedir );
+ else if ( writedir[strlen( writedir )-1] != '/' )
+ {
+ writedir[strlen( writedir )] = '/';
+ writedir[strlen( writedir )+1] = 0;
+ }
+
+ return;
+ }
+ c++;
+ }
+ Error ("No gamedir in %s", path);
+ return;
+ }
+ }
+ Error ("SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path);
+}
+
+char *ExpandArg (const char *path)
+{
+ static char full[1024];
+
+ if (path[0] != '/' && path[0] != '\\' && path[1] != ':')
+ {
+ Q_getwd (full);
+ strcat (full, path);
+ }
+ else
+ strcpy (full, path);
+ return full;
+}
+
+char *ExpandPath (const char *path)
+{
+ static char full[1024];
+ if (!qdir[0])
+ Error ("ExpandPath called without qdir set");
+ if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
+ strcpy( full, path );
+ return full;
+ }
+ sprintf (full, "%s%s", qdir, path);
+ return full;
+}
+
+char *ExpandGamePath (const char *path)
+{
+ static char full[1024];
+ if (!qdir[0])
+ Error ("ExpandGamePath called without qdir set");
+ if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
+ strcpy( full, path );
+ return full;
+ }
+ sprintf (full, "%s%s", gamedir, path);
+ return full;
+}
+
+char *ExpandPathAndArchive (const char *path)
+{
+ char *expanded;
+ char archivename[1024];
+
+ expanded = ExpandPath (path);
+
+ if (archive)
+ {
+ sprintf (archivename, "%s/%s", archivedir, path);
+ QCopyFile (expanded, archivename);
+ }
+ return expanded;
+}
+
+
+char *copystring(const char *s)
+{
+ char *b;
+ b = malloc(strlen(s)+1);
+ strcpy (b, s);
+ return b;
+}
+
+
+
+/*
+================
+I_FloatTime
+================
+*/
+double I_FloatTime (void)
+{
+ time_t t;
+
+ time (&t);
+
+ return t;
+#if 0
+// more precise, less portable
+ struct timeval tp;
+ struct timezone tzp;
+ static int secbase;
+
+ gettimeofday(&tp, &tzp);
+
+ if (!secbase)
+ {
+ secbase = tp.tv_sec;
+ return tp.tv_usec/1000000.0;
+ }
+
+ return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
+#endif
+}
+
+void Q_getwd (char *out)
+{
+ int i = 0;
+
+#ifdef WIN32
+ if (_getcwd (out, 256) == NULL)
+ strcpy(out, "."); /* shrug */
+ strcat (out, "\\");
+#else
+ if (getcwd (out, 256) == NULL)
+ strcpy(out, "."); /* shrug */
+ strcat (out, "/");
+#endif
+
+ while ( out[i] != 0 )
+ {
+ if ( out[i] == '\\' )
+ out[i] = '/';
+ i++;
+ }
+}
+
+
+void Q_mkdir (const char *path)
+{
+#ifdef WIN32
+ if (_mkdir (path) != -1)
+ return;
+#else
+ if (mkdir (path, 0777) != -1)
+ return;
+#endif
+ if (errno != EEXIST)
+ Error ("mkdir %s: %s",path, strerror(errno));
+}
+
+/*
+============
+FileTime
+
+returns -1 if not present
+============
+*/
+int FileTime (const char *path)
+{
+ struct stat buf;
+
+ if (stat (path,&buf) == -1)
+ return -1;
+
+ return buf.st_mtime;
+}
+
+
+
+/*
+==============
+COM_Parse
+
+Parse a token out of a string
+==============
+*/
+char *COM_Parse (char *data)
+{
+ int c;
+ int len;
+
+ len = 0;
+ com_token[0] = 0;
+
+ if (!data)
+ return NULL;
+
+// skip whitespace
+skipwhite:
+ while ( (c = *data) <= ' ')
+ {
+ if (c == 0)
+ {
+ com_eof = qtrue;
+ return NULL; // end of file;
+ }
+ data++;
+ }
+
+// skip // comments
+ if (c=='/' && data[1] == '/')
+ {
+ while (*data && *data != '\n')
+ data++;
+ goto skipwhite;
+ }
+
+
+// handle quoted strings specially
+ if (c == '\"')
+ {
+ data++;
+ do
+ {
+ c = *data++;
+ if (c=='\"')
+ {
+ com_token[len] = 0;
+ return data;
+ }
+ com_token[len] = c;
+ len++;
+ } while (1);
+ }
+
+// parse single characters
+ if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
+ {
+ com_token[len] = c;
+ len++;
+ com_token[len] = 0;
+ return data+1;
+ }
+
+// parse a regular word
+ do
+ {
+ com_token[len] = c;
+ data++;
+ len++;
+ c = *data;
+ if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
+ break;
+ } while (c>32);
+
+ com_token[len] = 0;
+ return data;
+}
+
+
+int Q_strncasecmp (const char *s1, const char *s2, int n)
+{
+ int c1, c2;
+
+ do
+ {
+ c1 = *s1++;
+ c2 = *s2++;
+
+ if (!n--)
+ return 0; // strings are equal until end point
+
+ if (c1 != c2)
+ {
+ if (c1 >= 'a' && c1 <= 'z')
+ c1 -= ('a' - 'A');
+ if (c2 >= 'a' && c2 <= 'z')
+ c2 -= ('a' - 'A');
+ if (c1 != c2)
+ return -1; // strings not equal
+ }
+ } while (c1);
+
+ return 0; // strings are equal
+}
+
+int Q_stricmp (const char *s1, const char *s2)
+{
+ return Q_strncasecmp (s1, s2, 99999);
+}
+
+
+char *strupr (char *start)
+{
+ char *in;
+ in = start;
+ while (*in)
+ {
+ *in = toupper(*in);
+ in++;
+ }
+ return start;
+}
+
+char *strlower (char *start)
+{
+ char *in;
+ in = start;
+ while (*in)
+ {
+ *in = tolower(*in);
+ in++;
+ }
+ return start;
+}
+
+
+/*
+=============================================================================
+
+ MISC FUNCTIONS
+
+=============================================================================
+*/
+
+
+/*
+=================
+CheckParm
+
+Checks for the given parameter in the program's command line arguments
+Returns the argument number (1 to argc-1) or 0 if not present
+=================
+*/
+int CheckParm (const char *check)
+{
+ int i;
+
+ for (i = 1;i<myargc;i++)
+ {
+ if ( !Q_stricmp(check, myargv[i]) )
+ return i;
+ }
+
+ return 0;
+}
+
+
+
+/*
+================
+Q_filelength
+================
+*/
+int Q_filelength (FILE *f)
+{
+ int pos;
+ int end;
+
+ pos = ftell (f);
+ fseek (f, 0, SEEK_END);
+ end = ftell (f);
+ fseek (f, pos, SEEK_SET);
+
+ return end;
+}
+
+#ifdef MAX_PATH
+#undef MAX_PATH
+#endif
+#define MAX_PATH 4096
+static FILE* myfopen(const char* filename, const char* mode)
+{
+ char* p;
+ char fn[MAX_PATH];
+
+ fn[0] = '\0';
+ strncat(fn, filename, sizeof(fn)-1);
+
+ for(p=fn;*p;++p) if(*p == '\\') *p = '/';
+
+ return fopen(fn, mode);
+}
+
+
+FILE *SafeOpenWrite (const char *filename)
+{
+ FILE *f;
+
+ f = myfopen(filename, "wb");
+
+ if (!f)
+ Error ("Error opening %s: %s",filename,strerror(errno));
+
+ return f;
+}
+
+FILE *SafeOpenRead (const char *filename)
+{
+ FILE *f;
+
+ f = myfopen(filename, "rb");
+
+ if (!f)
+ Error ("Error opening %s: %s",filename,strerror(errno));
+
+ return f;
+}
+
+
+void SafeRead (FILE *f, void *buffer, int count)
+{
+ if ( fread (buffer, 1, count, f) != (size_t)count)
+ Error ("File read failure");
+}
+
+
+void SafeWrite (FILE *f, const void *buffer, int count)
+{
+ if (fwrite (buffer, 1, count, f) != (size_t)count)
+ Error ("File write failure");
+}
+
+
+/*
+==============
+FileExists
+==============
+*/
+qboolean FileExists (const char *filename)
+{
+ FILE *f;
+
+ f = myfopen (filename, "r");
+ if (!f)
+ return qfalse;
+ fclose (f);
+ return qtrue;
+}
+
+/*
+==============
+LoadFile
+==============
+*/
+int LoadFile( const char *filename, void **bufferptr )
+{
+ FILE *f;
+ int length;
+ void *buffer;
+
+ f = SafeOpenRead (filename);
+ length = Q_filelength (f);
+ buffer = malloc (length+1);
+ ((char *)buffer)[length] = 0;
+ SafeRead (f, buffer, length);
+ fclose (f);
+
+ *bufferptr = buffer;
+ return length;
+}
+
+
+/*
+==============
+LoadFileBlock
+-
+rounds up memory allocation to 4K boundry
+-
+==============
+*/
+int LoadFileBlock( const char *filename, void **bufferptr )
+{
+ FILE *f;
+ int length, nBlock, nAllocSize;
+ void *buffer;
+
+ f = SafeOpenRead (filename);
+ length = Q_filelength (f);
+ nAllocSize = length;
+ nBlock = nAllocSize % MEM_BLOCKSIZE;
+ if ( nBlock > 0) {
+ nAllocSize += MEM_BLOCKSIZE - nBlock;
+ }
+ buffer = malloc (nAllocSize+1);
+ memset(buffer, 0, nAllocSize+1);
+ SafeRead (f, buffer, length);
+ fclose (f);
+
+ *bufferptr = buffer;
+ return length;
+}
+
+
+/*
+==============
+TryLoadFile
+
+Allows failure
+==============
+*/
+int TryLoadFile (const char *filename, void **bufferptr)
+{
+ FILE *f;
+ int length;
+ void *buffer;
+
+ *bufferptr = NULL;
+
+ f = myfopen (filename, "rb");
+ if (!f)
+ return -1;
+ length = Q_filelength (f);
+ buffer = malloc (length+1);
+ ((char *)buffer)[length] = 0;
+ SafeRead (f, buffer, length);
+ fclose (f);
+
+ *bufferptr = buffer;
+ return length;
+}
+
+
+/*
+==============
+SaveFile
+==============
+*/
+void SaveFile (const char *filename, const void *buffer, int count)
+{
+ FILE *f;
+
+ f = SafeOpenWrite (filename);
+ SafeWrite (f, buffer, count);
+ fclose (f);
+}
+
+
+
+void DefaultExtension (char *path, const char *extension)
+{
+ char *src;
+//
+// if path doesnt have a .EXT, append extension
+// (extension should include the .)
+//
+ src = path + strlen(path) - 1;
+
+ while (*src != '/' && *src != '\\' && src != path)
+ {
+ if (*src == '.')
+ return; // it has an extension
+ src--;
+ }
+
+ strcat (path, extension);
+}
+
+
+void DefaultPath (char *path, const char *basepath)
+{
+ char temp[128];
+
+ if (path[0] == PATHSEPERATOR)
+ return; // absolute path location
+ strcpy (temp,path);
+ strcpy (path,basepath);
+ strcat (path,temp);
+}
+
+
+void StripFilename (char *path)
+{
+ int length;
+
+ length = strlen(path)-1;
+ while (length > 0 && path[length] != PATHSEPERATOR)
+ length--;
+ path[length] = 0;
+}
+
+void StripExtension (char *path)
+{
+ int length;
+
+ length = strlen(path)-1;
+ while (length > 0 && path[length] != '.')
+ {
+ length--;
+ if (path[length] == '/')
+ return; // no extension
+ }
+ if (length)
+ path[length] = 0;
+}
+
+
+/*
+====================
+Extract file parts
+====================
+*/
+// FIXME: should include the slash, otherwise
+// backing to an empty path will be wrong when appending a slash
+void ExtractFilePath (const char *path, char *dest)
+{
+ const char *src;
+
+ src = path + strlen(path) - 1;
+
+//
+// back up until a \ or the start
+//
+ while (src != path && *(src-1) != '\\' && *(src-1) != '/')
+ src--;
+
+ memcpy (dest, path, src-path);
+ dest[src-path] = 0;
+}
+
+void ExtractFileBase (const char *path, char *dest)
+{
+ const char *src;
+
+ src = path + strlen(path) - 1;
+
+//
+// back up until a \ or the start
+//
+ while (src != path && *(src-1) != PATHSEPERATOR)
+ src--;
+
+ while (*src && *src != '.')
+ {
+ *dest++ = *src++;
+ }
+ *dest = 0;
+}
+
+void ExtractFileExtension (const char *path, char *dest)
+{
+ const char *src;
+
+ src = path + strlen(path) - 1;
+
+//
+// back up until a . or the start
+//
+ while (src != path && *(src-1) != '.')
+ src--;
+ if (src == path)
+ {
+ *dest = 0; // no extension
+ return;
+ }
+
+ strcpy (dest,src);
+}
+
+
+/*
+==============
+ParseNum / ParseHex
+==============
+*/
+int ParseHex (const char *hex)
+{
+ const char *str;
+ int num;
+
+ num = 0;
+ str = hex;
+
+ while (*str)
+ {
+ num <<= 4;
+ if (*str >= '0' && *str <= '9')
+ num += *str-'0';
+ else if (*str >= 'a' && *str <= 'f')
+ num += 10 + *str-'a';
+ else if (*str >= 'A' && *str <= 'F')
+ num += 10 + *str-'A';
+ else
+ Error ("Bad hex number: %s",hex);
+ str++;
+ }
+
+ return num;
+}
+
+
+int ParseNum (const char *str)
+{
+ if (str[0] == '$')
+ return ParseHex (str+1);
+ if (str[0] == '0' && str[1] == 'x')
+ return ParseHex (str+2);
+ return atol (str);
+}
+
+
+
+/*
+============================================================================
+
+ BYTE ORDER FUNCTIONS
+
+============================================================================
+*/
+
+short ShortSwap (short l)
+{
+ byte b1,b2;
+
+ b1 = l&255;
+ b2 = (l>>8)&255;
+
+ return (b1<<8) + b2;
+}
+
+int LongSwap (int l)
+{
+ byte b1,b2,b3,b4;
+
+ b1 = l&255;
+ b2 = (l>>8)&255;
+ b3 = (l>>16)&255;
+ b4 = (l>>24)&255;
+
+ return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+}
+
+typedef union {
+ float f;
+ unsigned int i;
+} _FloatByteUnion;
+
+float FloatSwap (const float *f) {
+ _FloatByteUnion out;
+
+ out.f = *f;
+ out.i = LongSwap(out.i);
+
+ return out.f;
+}
+
+//=======================================================
+
+
+// FIXME: byte swap?
+
+// this is a 16 bit, non-reflected CRC using the polynomial 0x1021
+// and the initial and final xor values shown below... in other words, the
+// CCITT standard CRC used by XMODEM
+
+#define CRC_INIT_VALUE 0xffff
+#define CRC_XOR_VALUE 0x0000
+
+static unsigned short crctable[256] =
+{
+ 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
+ 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
+ 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
+ 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
+ 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
+ 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
+ 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
+ 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
+ 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
+ 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
+ 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
+ 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
+ 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
+ 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
+ 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
+ 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
+ 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
+ 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
+ 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
+ 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
+ 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
+ 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+ 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
+ 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
+ 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
+ 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
+ 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
+ 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
+ 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
+ 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
+ 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
+ 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
+};
+
+void CRC_Init(unsigned short *crcvalue)
+{
+ *crcvalue = CRC_INIT_VALUE;
+}
+
+void CRC_ProcessByte(unsigned short *crcvalue, byte data)
+{
+ *crcvalue = (*crcvalue << 8) ^ crctable[(*crcvalue >> 8) ^ data];
+}
+
+unsigned short CRC_Value(unsigned short crcvalue)
+{
+ return crcvalue ^ CRC_XOR_VALUE;
+}
+//=============================================================================
+
+/*
+============
+CreatePath
+============
+*/
+void CreatePath (const char *path)
+{
+ const char *ofs;
+ char c;
+ char dir[1024];
+
+#ifdef _WIN32
+ int olddrive = -1;
+
+ if ( path[1] == ':' )
+ {
+ olddrive = _getdrive();
+ _chdrive( toupper( path[0] ) - 'A' + 1 );
+ }
+#endif
+
+ if (path[1] == ':')
+ path += 2;
+
+ for (ofs = path+1 ; *ofs ; ofs++)
+ {
+ c = *ofs;
+ if (c == '/' || c == '\\')
+ { // create the directory
+ memcpy( dir, path, ofs - path );
+ dir[ ofs - path ] = 0;
+ Q_mkdir( dir );
+ }
+ }
+
+#ifdef _WIN32
+ if ( olddrive != -1 )
+ {
+ _chdrive( olddrive );
+ }
+#endif
+}
+
+
+/*
+============
+QCopyFile
+
+ Used to archive source files
+============
+*/
+void QCopyFile (const char *from, const char *to)
+{
+ void *buffer;
+ int length;
+
+ length = LoadFile (from, &buffer);
+ CreatePath (to);
+ SaveFile (to, buffer, length);
+ free (buffer);
+}
diff --git a/src/tools/asm/cmdlib.h b/src/tools/asm/cmdlib.h
new file mode 100644
index 0000000..20d06de
--- /dev/null
+++ b/src/tools/asm/cmdlib.h
@@ -0,0 +1,153 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+// cmdlib.h
+
+#ifndef __CMDLIB__
+#define __CMDLIB__
+
+#ifdef _MSC_VER
+#pragma warning(disable : 4244) // MIPS
+#pragma warning(disable : 4136) // X86
+#pragma warning(disable : 4051) // ALPHA
+
+#pragma warning(disable : 4018) // signed/unsigned mismatch
+#pragma warning(disable : 4305) // truncate from double to float
+
+#pragma check_stack(off)
+
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <ctype.h>
+#include <time.h>
+#include <stdarg.h>
+
+#ifdef _MSC_VER
+
+#pragma intrinsic( memset, memcpy )
+
+#endif
+
+#ifndef __BYTEBOOL__
+#define __BYTEBOOL__
+typedef enum { qfalse, qtrue } qboolean;
+typedef unsigned char byte;
+#endif
+
+#define MAX_OS_PATH 1024
+#define MEM_BLOCKSIZE 4096
+
+// the dec offsetof macro doesnt work very well...
+#define myoffsetof(type,identifier) ((size_t)&((type *)0)->identifier)
+
+
+// set these before calling CheckParm
+extern int myargc;
+extern char **myargv;
+
+char *strupr (char *in);
+char *strlower (char *in);
+int Q_strncasecmp( const char *s1, const char *s2, int n );
+int Q_stricmp( const char *s1, const char *s2 );
+void Q_getwd( char *out );
+
+int Q_filelength (FILE *f);
+int FileTime( const char *path );
+
+void Q_mkdir( const char *path );
+
+extern char qdir[1024];
+extern char gamedir[1024];
+extern char writedir[1024];
+void SetQdirFromPath( const char *path );
+char *ExpandArg( const char *path ); // from cmd line
+char *ExpandPath( const char *path ); // from scripts
+char *ExpandGamePath (const char *path);
+char *ExpandPathAndArchive( const char *path );
+
+
+double I_FloatTime( void );
+
+void Error( const char *error, ... );
+int CheckParm( const char *check );
+
+FILE *SafeOpenWrite( const char *filename );
+FILE *SafeOpenRead( const char *filename );
+void SafeRead (FILE *f, void *buffer, int count);
+void SafeWrite (FILE *f, const void *buffer, int count);
+
+int LoadFile( const char *filename, void **bufferptr );
+int LoadFileBlock( const char *filename, void **bufferptr );
+int TryLoadFile( const char *filename, void **bufferptr );
+void SaveFile( const char *filename, const void *buffer, int count );
+qboolean FileExists( const char *filename );
+
+void DefaultExtension( char *path, const char *extension );
+void DefaultPath( char *path, const char *basepath );
+void StripFilename( char *path );
+void StripExtension( char *path );
+
+void ExtractFilePath( const char *path, char *dest );
+void ExtractFileBase( const char *path, char *dest );
+void ExtractFileExtension( const char *path, char *dest );
+
+int ParseNum (const char *str);
+
+char *COM_Parse (char *data);
+
+extern char com_token[1024];
+extern qboolean com_eof;
+
+char *copystring(const char *s);
+
+
+void CRC_Init(unsigned short *crcvalue);
+void CRC_ProcessByte(unsigned short *crcvalue, byte data);
+unsigned short CRC_Value(unsigned short crcvalue);
+
+void CreatePath( const char *path );
+void QCopyFile( const char *from, const char *to );
+
+extern qboolean archive;
+extern char archivedir[1024];
+
+
+extern qboolean verbose;
+void qprintf( const char *format, ... );
+void _printf( const char *format, ... );
+
+void ExpandWildcards( int *argc, char ***argv );
+
+
+// for compression routines
+typedef struct
+{
+ void *data;
+ int count, width, height;
+} cblock_t;
+
+
+#endif
diff --git a/src/tools/asm/lib.txt b/src/tools/asm/lib.txt
new file mode 100644
index 0000000..737a030
--- /dev/null
+++ b/src/tools/asm/lib.txt
@@ -0,0 +1,31 @@
+
+strlen
+strcasecmp
+tolower
+strcat
+strncpy
+strcmp
+strcpy
+strchr
+
+vsprintf
+
+memcpy
+memset
+rand
+
+atoi
+atof
+
+abs
+
+floor
+fabs
+tan
+atan
+sqrt
+log
+cos
+sin
+atan2
+
diff --git a/src/tools/asm/mathlib.h b/src/tools/asm/mathlib.h
new file mode 100644
index 0000000..bc63a4d
--- /dev/null
+++ b/src/tools/asm/mathlib.h
@@ -0,0 +1,95 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+#ifndef __MATHLIB__
+#define __MATHLIB__
+
+// mathlib.h
+
+#include <math.h>
+
+#ifdef DOUBLEVEC_T
+typedef double vec_t;
+#else
+typedef float vec_t;
+#endif
+typedef vec_t vec2_t[3];
+typedef vec_t vec3_t[3];
+typedef vec_t vec4_t[4];
+
+#define SIDE_FRONT 0
+#define SIDE_ON 2
+#define SIDE_BACK 1
+#define SIDE_CROSS -2
+
+#define Q_PI 3.14159265358979323846
+#define DEG2RAD( a ) ( ( (a) * Q_PI ) / 180.0F )
+#define RAD2DEG( a ) ( ( (a) * 180.0f ) / Q_PI )
+
+extern vec3_t vec3_origin;
+
+#define EQUAL_EPSILON 0.001
+
+// plane types are used to speed some tests
+// 0-2 are axial planes
+#define PLANE_X 0
+#define PLANE_Y 1
+#define PLANE_Z 2
+#define PLANE_NON_AXIAL 3
+
+qboolean VectorCompare( const vec3_t v1, const vec3_t v2 );
+
+#define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
+#define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
+#define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
+#define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}
+#define VectorScale(a,b,c) {c[0]=b*a[0];c[1]=b*a[1];c[2]=b*a[2];}
+#define VectorClear(x) {x[0] = x[1] = x[2] = 0;}
+#define VectorNegate(x) {x[0]=-x[0];x[1]=-x[1];x[2]=-x[2];}
+void Vec10Copy( vec_t *in, vec_t *out );
+
+vec_t Q_rint (vec_t in);
+vec_t _DotProduct (vec3_t v1, vec3_t v2);
+void _VectorSubtract (vec3_t va, vec3_t vb, vec3_t out);
+void _VectorAdd (vec3_t va, vec3_t vb, vec3_t out);
+void _VectorCopy (vec3_t in, vec3_t out);
+void _VectorScale (vec3_t v, vec_t scale, vec3_t out);
+
+double VectorLength( const vec3_t v );
+
+void VectorMA( const vec3_t va, double scale, const vec3_t vb, vec3_t vc );
+
+void CrossProduct( const vec3_t v1, const vec3_t v2, vec3_t cross );
+vec_t VectorNormalize( const vec3_t in, vec3_t out );
+vec_t ColorNormalize( const vec3_t in, vec3_t out );
+void VectorInverse (vec3_t v);
+
+void ClearBounds (vec3_t mins, vec3_t maxs);
+void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
+
+qboolean PlaneFromPoints( vec4_t plane, const vec3_t a, const vec3_t b, const vec3_t c );
+
+void NormalToLatLong( const vec3_t normal, byte bytes[2] );
+
+int PlaneTypeForNormal (vec3_t normal);
+
+#endif
diff --git a/src/tools/asm/notes.txt b/src/tools/asm/notes.txt
new file mode 100644
index 0000000..63297f3
--- /dev/null
+++ b/src/tools/asm/notes.txt
@@ -0,0 +1,16 @@
+
+don't do any paramter conversion (double to float, etc)
+
+
+
+Why?
+
+Security.
+Portability.
+
+It may be more aproachable.
+
+can still use regular dlls for development purposes
+
+lcc
+q3asm
diff --git a/src/tools/asm/ops.txt b/src/tools/asm/ops.txt
new file mode 100644
index 0000000..e897f49
--- /dev/null
+++ b/src/tools/asm/ops.txt
@@ -0,0 +1,132 @@
+CNSTF,
+CNSTI,
+CNSTP,
+CNSTU,
+
+ARGB,
+ARGF,
+ARGI,
+ARGP,
+ARGU,
+
+ASGNB,
+ASGNF,
+ASGNI,
+ASGNP,
+ASGNU,
+
+INDIRB,
+INDIRF,
+INDIRI,
+INDIRP,
+INDIRU,
+
+CVFF,
+CVFI,
+
+CVIF,
+CVII,
+CVIU,
+
+CVPU,
+
+CVUI,
+CVUP,
+CVUU,
+
+NEGF,
+NEGI,
+
+CALLB,
+CALLF,
+CALLI,
+CALLP,
+CALLU,
+CALLV,
+
+RETF,
+RETI,
+RETP,
+RETU,
+RETV,
+
+ADDRGP,
+
+ADDRFP,
+
+ADDRLP,
+
+ADDF,
+ADDI,
+ADDP,
+ADDU,
+
+SUBF,
+SUBI,
+SUBP,
+SUBU,
+
+LSHI,
+LSHU,
+
+MODI,
+MODU,
+
+RSHI,
+RSHU,
+
+BANDI,
+BANDU,
+
+BCOMI,
+BCOMU,
+
+BORI,
+BORU,
+
+BXORI,
+BXORU,
+
+DIVF,
+DIVI,
+DIVU,
+
+MULF,
+MULI,
+MULU,
+
+EQF,
+EQI,
+EQU,
+
+GEF,
+GEI,
+GEU,
+
+GTF,
+GTI,
+GTU,
+
+LEF,
+LEI,
+LEU,
+
+LTF,
+LTI,
+LTU,
+
+NEF,
+NEI,
+NEU,
+
+JUMPV,
+
+LABELV,
+
+LOADB,
+LOADF,
+LOADI,
+LOADP,
+LOADU,
+
+
diff --git a/src/tools/asm/opstrings.h b/src/tools/asm/opstrings.h
new file mode 100644
index 0000000..d2c3210
--- /dev/null
+++ b/src/tools/asm/opstrings.h
@@ -0,0 +1,176 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+{ "BREAK", OP_BREAK },
+
+{ "CNSTF4", OP_CONST },
+{ "CNSTI4", OP_CONST },
+{ "CNSTP4", OP_CONST },
+{ "CNSTU4", OP_CONST },
+
+{ "CNSTI2", OP_CONST },
+{ "CNSTU2", OP_CONST },
+
+{ "CNSTI1", OP_CONST },
+{ "CNSTU1", OP_CONST },
+
+//{ "ARGB", OP_ARG },
+//{ "ARGF", OP_ARG },
+//{ "ARGI", OP_ARG },
+//{ "ARGP", OP_ARG },
+//{ "ARGU", OP_ARG },
+
+{ "ASGNB", OP_BLOCK_COPY },
+{ "ASGNF4", OP_STORE4 },
+{ "ASGNI4", OP_STORE4 },
+{ "ASGNP4", OP_STORE4 },
+{ "ASGNU4", OP_STORE4 },
+
+{ "ASGNI2", OP_STORE2 },
+{ "ASGNU2", OP_STORE2 },
+
+{ "ASGNI1", OP_STORE1 },
+{ "ASGNU1", OP_STORE1 },
+
+{ "INDIRB", OP_IGNORE }, // block copy deals with this
+{ "INDIRF4", OP_LOAD4 },
+{ "INDIRI4", OP_LOAD4 },
+{ "INDIRP4", OP_LOAD4 },
+{ "INDIRU4", OP_LOAD4 },
+
+{ "INDIRI2", OP_LOAD2 },
+{ "INDIRU2", OP_LOAD2 },
+
+{ "INDIRI1", OP_LOAD1 },
+{ "INDIRU1", OP_LOAD1 },
+
+{ "CVFF4", OP_UNDEF },
+{ "CVFI4", OP_CVFI },
+
+{ "CVIF4", OP_CVIF },
+{ "CVII4", OP_SEX8 }, // will be either SEX8 or SEX16
+{ "CVII1", OP_IGNORE },
+{ "CVII2", OP_IGNORE },
+{ "CVIU4", OP_IGNORE },
+
+{ "CVPU4", OP_IGNORE },
+
+{ "CVUI4", OP_IGNORE },
+{ "CVUP4", OP_IGNORE },
+{ "CVUU4", OP_IGNORE },
+
+{ "CVUU1", OP_IGNORE },
+
+{ "NEGF4", OP_NEGF },
+{ "NEGI4", OP_NEGI },
+
+//{ "CALLB", OP_UNDEF },
+//{ "CALLF", OP_UNDEF },
+//{ "CALLI", OP_UNDEF },
+//{ "CALLP", OP_UNDEF },
+//{ "CALLU", OP_UNDEF },
+//{ "CALLV", OP_CALL },
+
+//{ "RETF", OP_UNDEF },
+//{ "RETI", OP_UNDEF },
+//{ "RETP", OP_UNDEF },
+//{ "RETU", OP_UNDEF },
+//{ "RETV", OP_UNDEF },
+
+{ "ADDRGP4", OP_CONST },
+
+//{ "ADDRFP", OP_PARM },
+//{ "ADDRLP", OP_LOCAL },
+
+{ "ADDF4", OP_ADDF },
+{ "ADDI4", OP_ADD },
+{ "ADDP4", OP_ADD },
+{ "ADDP", OP_ADD },
+{ "ADDU4", OP_ADD },
+
+{ "SUBF4", OP_SUBF },
+{ "SUBI4", OP_SUB },
+{ "SUBP4", OP_SUB },
+{ "SUBU4", OP_SUB },
+
+{ "LSHI4", OP_LSH },
+{ "LSHU4", OP_LSH },
+
+{ "MODI4", OP_MODI },
+{ "MODU4", OP_MODU },
+
+{ "RSHI4", OP_RSHI },
+{ "RSHU4", OP_RSHU },
+
+{ "BANDI4", OP_BAND },
+{ "BANDU4", OP_BAND },
+
+{ "BCOMI4", OP_BCOM },
+{ "BCOMU4", OP_BCOM },
+
+{ "BORI4", OP_BOR },
+{ "BORU4", OP_BOR },
+
+{ "BXORI4", OP_BXOR },
+{ "BXORU4", OP_BXOR },
+
+{ "DIVF4", OP_DIVF },
+{ "DIVI4", OP_DIVI },
+{ "DIVU4", OP_DIVU },
+
+{ "MULF4", OP_MULF },
+{ "MULI4", OP_MULI },
+{ "MULU4", OP_MULU },
+
+{ "EQF4", OP_EQF },
+{ "EQI4", OP_EQ },
+{ "EQU4", OP_EQ },
+
+{ "GEF4", OP_GEF },
+{ "GEI4", OP_GEI },
+{ "GEU4", OP_GEU },
+
+{ "GTF4", OP_GTF },
+{ "GTI4", OP_GTI },
+{ "GTU4", OP_GTU },
+
+{ "LEF4", OP_LEF },
+{ "LEI4", OP_LEI },
+{ "LEU4", OP_LEU },
+
+{ "LTF4", OP_LTF },
+{ "LTI4", OP_LTI },
+{ "LTU4", OP_LTU },
+
+{ "NEF4", OP_NEF },
+{ "NEI4", OP_NE },
+{ "NEU4", OP_NE },
+
+{ "JUMPV", OP_JUMP },
+
+{ "LOADB4", OP_UNDEF },
+{ "LOADF4", OP_UNDEF },
+{ "LOADI4", OP_UNDEF },
+{ "LOADP4", OP_UNDEF },
+{ "LOADU4", OP_UNDEF },
+
+
diff --git a/src/tools/asm/q3asm.c b/src/tools/asm/q3asm.c
new file mode 100644
index 0000000..c42b9ac
--- /dev/null
+++ b/src/tools/asm/q3asm.c
@@ -0,0 +1,1647 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+
+#include "../../qcommon/q_platform.h"
+#include "cmdlib.h"
+#include "mathlib.h"
+#include "../../qcommon/qfiles.h"
+
+/* 19079 total symbols in FI, 2002 Jan 23 */
+#define DEFAULT_HASHTABLE_SIZE 2048
+
+char outputFilename[MAX_OS_PATH];
+
+// the zero page size is just used for detecting run time faults
+#define ZERO_PAGE_SIZE 0 // 256
+
+typedef enum {
+ OP_UNDEF,
+
+ OP_IGNORE,
+
+ OP_BREAK,
+
+ OP_ENTER,
+ OP_LEAVE,
+ OP_CALL,
+ OP_PUSH,
+ OP_POP,
+
+ OP_CONST,
+ OP_LOCAL,
+
+ OP_JUMP,
+
+ //-------------------
+
+ OP_EQ,
+ OP_NE,
+
+ OP_LTI,
+ OP_LEI,
+ OP_GTI,
+ OP_GEI,
+
+ OP_LTU,
+ OP_LEU,
+ OP_GTU,
+ OP_GEU,
+
+ OP_EQF,
+ OP_NEF,
+
+ OP_LTF,
+ OP_LEF,
+ OP_GTF,
+ OP_GEF,
+
+ //-------------------
+
+ OP_LOAD1,
+ OP_LOAD2,
+ OP_LOAD4,
+ OP_STORE1,
+ OP_STORE2,
+ OP_STORE4, // *(stack[top-1]) = stack[yop
+ OP_ARG,
+ OP_BLOCK_COPY,
+
+ //-------------------
+
+ OP_SEX8,
+ OP_SEX16,
+
+ OP_NEGI,
+ OP_ADD,
+ OP_SUB,
+ OP_DIVI,
+ OP_DIVU,
+ OP_MODI,
+ OP_MODU,
+ OP_MULI,
+ OP_MULU,
+
+ OP_BAND,
+ OP_BOR,
+ OP_BXOR,
+ OP_BCOM,
+
+ OP_LSH,
+ OP_RSHI,
+ OP_RSHU,
+
+ OP_NEGF,
+ OP_ADDF,
+ OP_SUBF,
+ OP_DIVF,
+ OP_MULF,
+
+ OP_CVIF,
+ OP_CVFI
+} opcode_t;
+
+typedef struct {
+ int imageBytes; // after decompression
+ int entryPoint;
+ int stackBase;
+ int stackSize;
+} executableHeader_t;
+
+typedef enum {
+ CODESEG,
+ DATASEG, // initialized 32 bit data, will be byte swapped
+ LITSEG, // strings
+ BSSSEG, // 0 filled
+ JTRGSEG, // pseudo-segment that contains only jump table targets
+ NUM_SEGMENTS
+} segmentName_t;
+
+#define MAX_IMAGE 0x400000
+
+typedef struct {
+ byte image[MAX_IMAGE];
+ int imageUsed;
+ int segmentBase; // only valid on second pass
+} segment_t;
+
+typedef struct symbol_s {
+ struct symbol_s *next;
+ int hash;
+ segment_t *segment;
+ char *name;
+ int value;
+} symbol_t;
+
+typedef struct hashchain_s {
+ void *data;
+ struct hashchain_s *next;
+} hashchain_t;
+
+typedef struct hashtable_s {
+ int buckets;
+ hashchain_t **table;
+} hashtable_t;
+
+int symtablelen = DEFAULT_HASHTABLE_SIZE;
+hashtable_t *symtable;
+hashtable_t *optable;
+
+segment_t segment[NUM_SEGMENTS];
+segment_t *currentSegment;
+
+int passNumber;
+
+int numSymbols;
+int errorCount;
+
+typedef struct options_s {
+ qboolean verbose;
+ qboolean writeMapFile;
+ qboolean vanillaQ3Compatibility;
+} options_t;
+
+options_t options = { 0 };
+
+symbol_t *symbols;
+symbol_t *lastSymbol = 0; /* Most recent symbol defined. */
+
+
+#define MAX_ASM_FILES 256
+int numAsmFiles;
+char *asmFiles[MAX_ASM_FILES];
+char *asmFileNames[MAX_ASM_FILES];
+
+int currentFileIndex;
+char *currentFileName;
+int currentFileLine;
+
+//int stackSize = 16384;
+int stackSize = 0x10000;
+
+// we need to convert arg and ret instructions to
+// stores to the local stack frame, so we need to track the
+// characteristics of the current functions stack frame
+int currentLocals; // bytes of locals needed by this function
+int currentArgs; // bytes of largest argument list called from this function
+int currentArgOffset; // byte offset in currentArgs to store next arg, reset each call
+
+#define MAX_LINE_LENGTH 1024
+char lineBuffer[MAX_LINE_LENGTH];
+int lineParseOffset;
+char token[MAX_LINE_LENGTH];
+
+int instructionCount;
+
+typedef struct {
+ char *name;
+ int opcode;
+} sourceOps_t;
+
+sourceOps_t sourceOps[] = {
+#include "opstrings.h"
+};
+
+#define NUM_SOURCE_OPS ( sizeof( sourceOps ) / sizeof( sourceOps[0] ) )
+
+int opcodesHash[ NUM_SOURCE_OPS ];
+
+
+
+static int vreport (const char* fmt, va_list vp)
+{
+ if (options.verbose != qtrue)
+ return 0;
+ return vprintf(fmt, vp);
+}
+
+static int report (const char *fmt, ...)
+{
+ va_list va;
+ int retval;
+
+ va_start(va, fmt);
+ retval = vreport(fmt, va);
+ va_end(va);
+ return retval;
+}
+
+/* The chain-and-bucket hash table. -PH */
+
+static void hashtable_init (hashtable_t *H, int buckets)
+{
+ H->buckets = buckets;
+ H->table = calloc(H->buckets, sizeof(*(H->table)));
+ return;
+}
+
+static hashtable_t *hashtable_new (int buckets)
+{
+ hashtable_t *H;
+
+ H = malloc(sizeof(hashtable_t));
+ hashtable_init(H, buckets);
+ return H;
+}
+
+/* No destroy/destructor. No need. */
+
+static void hashtable_add (hashtable_t *H, int hashvalue, void *datum)
+{
+ hashchain_t *hc, **hb;
+
+ hashvalue = (abs(hashvalue) % H->buckets);
+ hb = &(H->table[hashvalue]);
+ if (*hb == 0)
+ {
+ /* Empty bucket. Create new one. */
+ *hb = calloc(1, sizeof(**hb));
+ hc = *hb;
+ }
+ else
+ {
+ /* Get hc to point to last node in chain. */
+ for (hc = *hb; hc && hc->next; hc = hc->next);
+ hc->next = calloc(1, sizeof(*hc));
+ hc = hc->next;
+ }
+ hc->data = datum;
+ hc->next = 0;
+ return;
+}
+
+static hashchain_t *hashtable_get (hashtable_t *H, int hashvalue)
+{
+ hashvalue = (abs(hashvalue) % H->buckets);
+ return (H->table[hashvalue]);
+}
+
+static void hashtable_stats (hashtable_t *H)
+{
+ int len, empties, longest, nodes;
+ int i;
+ float meanlen;
+ hashchain_t *hc;
+
+ report("Stats for hashtable %08X", H);
+ empties = 0;
+ longest = 0;
+ nodes = 0;
+ for (i = 0; i < H->buckets; i++)
+ {
+ if (H->table[i] == 0)
+ { empties++; continue; }
+ for (hc = H->table[i], len = 0; hc; hc = hc->next, len++);
+ if (len > longest) { longest = len; }
+ nodes += len;
+ }
+ meanlen = (float)(nodes) / (H->buckets - empties);
+#if 0
+/* Long stats display */
+ report(" Total buckets: %d\n", H->buckets);
+ report(" Total stored nodes: %d\n", nodes);
+ report(" Longest chain: %d\n", longest);
+ report(" Empty chains: %d\n", empties);
+ report(" Mean non-empty chain length: %f\n", meanlen);
+#else //0
+/* Short stats display */
+ report(", %d buckets, %d nodes", H->buckets, nodes);
+ report("\n");
+ report(" Longest chain: %d, empty chains: %d, mean non-empty: %f", longest, empties, meanlen);
+#endif //0
+ report("\n");
+}
+
+
+/* Kludge. */
+/* Check if symbol already exists. */
+/* Returns 0 if symbol does NOT already exist, non-zero otherwise. */
+static int hashtable_symbol_exists (hashtable_t *H, int hash, char *sym)
+{
+ hashchain_t *hc;
+ symbol_t *s;
+
+ hash = (abs(hash) % H->buckets);
+ hc = H->table[hash];
+ if (hc == 0)
+ {
+ /* Empty chain means this symbol has not yet been defined. */
+ return 0;
+ }
+ for (; hc; hc = hc->next)
+ {
+ s = (symbol_t*)hc->data;
+// if ((hash == s->hash) && (strcmp(sym, s->name) == 0))
+/* We _already_ know the hash is the same. That's why we're probing! */
+ if (strcmp(sym, s->name) == 0)
+ {
+ /* Symbol collisions -- symbol already exists. */
+ return 1;
+ }
+ }
+ return 0; /* Can't find collision. */
+}
+
+
+
+
+/* Comparator function for quicksorting. */
+static int symlist_cmp (const void *e1, const void *e2)
+{
+ const symbol_t *a, *b;
+
+ a = *(const symbol_t **)e1;
+ b = *(const symbol_t **)e2;
+//crumb("Symbol comparison (1) %d to (2) %d\n", a->value, b->value);
+ return ( a->value - b->value);
+}
+
+/*
+ Sort the symbols list by using QuickSort (qsort()).
+ This may take a LOT of memory (a few megabytes?), but memory is cheap these days.
+ However, qsort(3) already exists, and I'm really lazy.
+ -PH
+*/
+static void sort_symbols ()
+{
+ int i, elems;
+ symbol_t *s;
+ symbol_t **symlist;
+
+//crumb("sort_symbols: Constructing symlist array\n");
+ for (elems = 0, s = symbols; s; s = s->next, elems++) /* nop */ ;
+ symlist = malloc(elems * sizeof(symbol_t*));
+ for (i = 0, s = symbols; s; s = s->next, i++)
+ {
+ symlist[i] = s;
+ }
+//crumbf("sort_symbols: Quick-sorting %d symbols\n", elems);
+ qsort(symlist, elems, sizeof(symbol_t*), symlist_cmp);
+//crumbf("sort_symbols: Reconstructing symbols list\n");
+ s = symbols = symlist[0];
+ for (i = 1; i < elems; i++)
+ {
+ s->next = symlist[i];
+ s = s->next;
+ }
+ lastSymbol = s;
+ s->next = 0;
+//crumbf("sort_symbols: verifying..."); fflush(stdout);
+ for (i = 0, s = symbols; s; s = s->next, i++) /*nop*/ ;
+//crumbf(" %d elements\n", i);
+ free(symlist); /* d'oh. no gc. */
+}
+
+
+#ifdef _MSC_VER
+#define INT64 __int64
+#define atoi64 _atoi64
+#else
+#define INT64 long long int
+#define atoi64 atoll
+#endif
+
+/*
+ Problem:
+ BYTE values are specified as signed decimal string. A properly functional
+ atoip() will cap large signed values at 0x7FFFFFFF. Negative word values are
+ often specified as very large decimal values by lcc. Therefore, values that
+ should be between 0x7FFFFFFF and 0xFFFFFFFF come out as 0x7FFFFFFF when using
+ atoi(). Bad.
+
+ This function is one big evil hack to work around this problem.
+*/
+static int atoiNoCap (const char *s)
+{
+ INT64 l;
+ union {
+ unsigned int u;
+ signed int i;
+ } retval;
+
+ l = atoi64(s);
+ /* Now smash to signed 32 bits accordingly. */
+ if (l < 0) {
+ retval.i = (int)l;
+ } else {
+ retval.u = (unsigned int)l;
+ }
+ return retval.i; /* <- union hackage. I feel dirty with this. -PH */
+}
+
+
+
+/*
+=============
+HashString
+=============
+*/
+/* Default hash function of Kazlib 1.19, slightly modified. */
+static unsigned int HashString (const char *key)
+{
+ static unsigned long randbox[] = {
+ 0x49848f1bU, 0xe6255dbaU, 0x36da5bdcU, 0x47bf94e9U,
+ 0x8cbcce22U, 0x559fc06aU, 0xd268f536U, 0xe10af79aU,
+ 0xc1af4d69U, 0x1d2917b5U, 0xec4c304dU, 0x9ee5016cU,
+ 0x69232f74U, 0xfead7bb3U, 0xe9089ab6U, 0xf012f6aeU,
+ };
+
+ const char *str = key;
+ unsigned int acc = 0;
+
+ while (*str) {
+ acc ^= randbox[(*str + acc) & 0xf];
+ acc = (acc << 1) | (acc >> 31);
+ acc &= 0xffffffffU;
+ acc ^= randbox[((*str++ >> 4) + acc) & 0xf];
+ acc = (acc << 2) | (acc >> 30);
+ acc &= 0xffffffffU;
+ }
+ return abs(acc);
+}
+
+
+/*
+============
+CodeError
+============
+*/
+static void CodeError( char *fmt, ... ) {
+ va_list argptr;
+
+ errorCount++;
+
+ fprintf( stderr, "%s:%i ", currentFileName, currentFileLine );
+
+ va_start( argptr,fmt );
+ vfprintf( stderr, fmt, argptr );
+ va_end( argptr );
+}
+
+/*
+============
+EmitByte
+============
+*/
+static void EmitByte( segment_t *seg, int v ) {
+ if ( seg->imageUsed >= MAX_IMAGE ) {
+ Error( "MAX_IMAGE" );
+ }
+ seg->image[ seg->imageUsed ] = v;
+ seg->imageUsed++;
+}
+
+/*
+============
+EmitInt
+============
+*/
+static void EmitInt( segment_t *seg, int v ) {
+ if ( seg->imageUsed >= MAX_IMAGE - 4) {
+ Error( "MAX_IMAGE" );
+ }
+ seg->image[ seg->imageUsed ] = v & 255;
+ seg->image[ seg->imageUsed + 1 ] = ( v >> 8 ) & 255;
+ seg->image[ seg->imageUsed + 2 ] = ( v >> 16 ) & 255;
+ seg->image[ seg->imageUsed + 3 ] = ( v >> 24 ) & 255;
+ seg->imageUsed += 4;
+}
+
+/*
+============
+DefineSymbol
+
+Symbols can only be defined on pass 0
+============
+*/
+static void DefineSymbol( char *sym, int value ) {
+ /* Hand optimization by PhaethonH */
+ symbol_t *s;
+ char expanded[MAX_LINE_LENGTH];
+ int hash;
+
+ if ( passNumber == 1 ) {
+ return;
+ }
+
+ // add the file prefix to local symbols to guarantee unique
+ if ( sym[0] == '$' ) {
+ sprintf( expanded, "%s_%i", sym, currentFileIndex );
+ sym = expanded;
+ }
+
+ hash = HashString( sym );
+
+ if (hashtable_symbol_exists(symtable, hash, sym)) {
+ CodeError( "Multiple definitions for %s\n", sym );
+ return;
+ }
+
+ s = malloc( sizeof( *s ) );
+ s->next = NULL;
+ s->name = copystring( sym );
+ s->hash = hash;
+ s->value = value;
+ s->segment = currentSegment;
+
+ hashtable_add(symtable, hash, s);
+
+/*
+ Hash table lookup already speeds up symbol lookup enormously.
+ We postpone sorting until end of pass 0.
+ Since we're not doing the insertion sort, lastSymbol should always
+ wind up pointing to the end of list.
+ This allows constant time for adding to the list.
+ -PH
+*/
+ if (symbols == 0) {
+ lastSymbol = symbols = s;
+ } else {
+ lastSymbol->next = s;
+ lastSymbol = s;
+ }
+}
+
+
+/*
+============
+LookupSymbol
+
+Symbols can only be evaluated on pass 1
+============
+*/
+static int LookupSymbol( char *sym ) {
+ symbol_t *s;
+ char expanded[MAX_LINE_LENGTH];
+ int hash;
+ hashchain_t *hc;
+
+ if ( passNumber == 0 ) {
+ return 0;
+ }
+
+ // add the file prefix to local symbols to guarantee unique
+ if ( sym[0] == '$' ) {
+ sprintf( expanded, "%s_%i", sym, currentFileIndex );
+ sym = expanded;
+ }
+
+ hash = HashString( sym );
+
+/*
+ Hand optimization by PhaethonH
+
+ Using a hash table with chain/bucket for lookups alone sped up q3asm by almost 3x for me.
+ -PH
+*/
+ for (hc = hashtable_get(symtable, hash); hc; hc = hc->next) {
+ s = (symbol_t*)hc->data; /* ugly typecasting, but it's fast! */
+ if ( (hash == s->hash) && !strcmp(sym, s->name) ) {
+ return s->segment->segmentBase + s->value;
+ }
+ }
+
+ CodeError( "error: symbol %s undefined\n", sym );
+ passNumber = 0;
+ DefineSymbol( sym, 0 ); // so more errors aren't printed
+ passNumber = 1;
+ return 0;
+}
+
+
+/*
+==============
+ExtractLine
+
+Extracts the next line from the given text block.
+If a full line isn't parsed, returns NULL
+Otherwise returns the updated parse pointer
+===============
+*/
+static char *ExtractLine( char *data ) {
+/* Goal:
+ Given a string `data', extract one text line into buffer `lineBuffer' that
+ is no longer than MAX_LINE_LENGTH characters long. Return value is
+ remainder of `data' that isn't part of `lineBuffer'.
+ -PH
+*/
+ /* Hand-optimized by PhaethonH */
+ char *p, *q;
+
+ currentFileLine++;
+
+ lineParseOffset = 0;
+ token[0] = 0;
+ *lineBuffer = 0;
+
+ p = q = data;
+ if (!*q) {
+ return NULL;
+ }
+
+ for ( ; !((*p == 0) || (*p == '\n')); p++) /* nop */ ;
+
+ if ((p - q) >= MAX_LINE_LENGTH) {
+ CodeError( "MAX_LINE_LENGTH" );
+ return data;
+ }
+
+ memcpy( lineBuffer, data, (p - data) );
+ lineBuffer[(p - data)] = 0;
+ p += (*p == '\n') ? 1 : 0; /* Skip over final newline. */
+ return p;
+}
+
+
+/*
+==============
+Parse
+
+Parse a token out of linebuffer
+==============
+*/
+static qboolean Parse( void ) {
+ /* Hand-optimized by PhaethonH */
+ const char *p, *q;
+
+ /* Because lineParseOffset is only updated just before exit, this makes this code version somewhat harder to debug under a symbolic debugger. */
+
+ *token = 0; /* Clear token. */
+
+ // skip whitespace
+ for (p = lineBuffer + lineParseOffset; *p && (*p <= ' '); p++) /* nop */ ;
+
+ // skip ; comments
+ /* die on end-of-string */
+ if ((*p == ';') || (*p == 0)) {
+ lineParseOffset = p - lineBuffer;
+ return qfalse;
+ }
+
+ q = p; /* Mark the start of token. */
+ /* Find separator first. */
+ for ( ; *p > 32; p++) /* nop */ ; /* XXX: unsafe assumptions. */
+ /* *p now sits on separator. Mangle other values accordingly. */
+ strncpy(token, q, p - q);
+ token[p - q] = 0;
+
+ lineParseOffset = p - lineBuffer;
+
+ return qtrue;
+}
+
+
+/*
+==============
+ParseValue
+==============
+*/
+static int ParseValue( void ) {
+ Parse();
+ return atoiNoCap( token );
+}
+
+
+/*
+==============
+ParseExpression
+==============
+*/
+static int ParseExpression(void) {
+ /* Hand optimization, PhaethonH */
+ int i, j;
+ char sym[MAX_LINE_LENGTH];
+ int v;
+
+ /* Skip over a leading minus. */
+ for ( i = ((token[0] == '-') ? 1 : 0) ; i < MAX_LINE_LENGTH ; i++ ) {
+ if ( token[i] == '+' || token[i] == '-' || token[i] == 0 ) {
+ break;
+ }
+ }
+
+ memcpy( sym, token, i );
+ sym[i] = 0;
+
+ switch (*sym) { /* Resolve depending on first character. */
+/* Optimizing compilers can convert cases into "calculated jumps". I think these are faster. -PH */
+ case '-':
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ v = atoiNoCap(sym);
+ break;
+ default:
+ v = LookupSymbol(sym);
+ break;
+ }
+
+ // parse add / subtract offsets
+ while ( token[i] != 0 ) {
+ for ( j = i + 1 ; j < MAX_LINE_LENGTH ; j++ ) {
+ if ( token[j] == '+' || token[j] == '-' || token[j] == 0 ) {
+ break;
+ }
+ }
+
+ memcpy( sym, token+i+1, j-i-1 );
+ sym[j-i-1] = 0;
+
+ switch (token[i]) {
+ case '+':
+ v += atoiNoCap(sym);
+ break;
+ case '-':
+ v -= atoiNoCap(sym);
+ break;
+ }
+
+ i = j;
+ }
+
+ return v;
+}
+
+
+/*
+==============
+HackToSegment
+
+BIG HACK: I want to put all 32 bit values in the data
+segment so they can be byte swapped, and all char data in the lit
+segment, but switch jump tables are emited in the lit segment and
+initialized strng variables are put in the data segment.
+
+I can change segments here, but I also need to fixup the
+label that was just defined
+
+Note that the lit segment is read-write in the VM, so strings
+aren't read only as in some architectures.
+==============
+*/
+static void HackToSegment( segmentName_t seg ) {
+ if ( currentSegment == &segment[seg] ) {
+ return;
+ }
+
+ currentSegment = &segment[seg];
+ if ( passNumber == 0 ) {
+ lastSymbol->segment = currentSegment;
+ lastSymbol->value = currentSegment->imageUsed;
+ }
+}
+
+
+
+
+
+
+
+//#define STAT(L) report("STAT " L "\n");
+#define STAT(L)
+#define ASM(O) int TryAssemble##O ()
+
+
+/*
+ These clauses were moved out from AssembleLine() to allow reordering of if's.
+ An optimizing compiler should reconstruct these back into inline code.
+ -PH
+*/
+
+ // call instructions reset currentArgOffset
+ASM(CALL)
+{
+ if ( !strncmp( token, "CALL", 4 ) ) {
+STAT("CALL");
+ EmitByte( &segment[CODESEG], OP_CALL );
+ instructionCount++;
+ currentArgOffset = 0;
+ return 1;
+ }
+ return 0;
+}
+
+ // arg is converted to a reversed store
+ASM(ARG)
+{
+ if ( !strncmp( token, "ARG", 3 ) ) {
+STAT("ARG");
+ EmitByte( &segment[CODESEG], OP_ARG );
+ instructionCount++;
+ if ( 8 + currentArgOffset >= 256 ) {
+ CodeError( "currentArgOffset >= 256" );
+ return 1;
+ }
+ EmitByte( &segment[CODESEG], 8 + currentArgOffset );
+ currentArgOffset += 4;
+ return 1;
+ }
+ return 0;
+}
+
+ // ret just leaves something on the op stack
+ASM(RET)
+{
+ if ( !strncmp( token, "RET", 3 ) ) {
+STAT("RET");
+ EmitByte( &segment[CODESEG], OP_LEAVE );
+ instructionCount++;
+ EmitInt( &segment[CODESEG], 8 + currentLocals + currentArgs );
+ return 1;
+ }
+ return 0;
+}
+
+ // pop is needed to discard the return value of
+ // a function
+ASM(POP)
+{
+ if ( !strncmp( token, "pop", 3 ) ) {
+STAT("POP");
+ EmitByte( &segment[CODESEG], OP_POP );
+ instructionCount++;
+ return 1;
+ }
+ return 0;
+}
+
+ // address of a parameter is converted to OP_LOCAL
+ASM(ADDRF)
+{
+ int v;
+ if ( !strncmp( token, "ADDRF", 5 ) ) {
+STAT("ADDRF");
+ instructionCount++;
+ Parse();
+ v = ParseExpression();
+ v = 16 + currentArgs + currentLocals + v;
+ EmitByte( &segment[CODESEG], OP_LOCAL );
+ EmitInt( &segment[CODESEG], v );
+ return 1;
+ }
+ return 0;
+}
+
+ // address of a local is converted to OP_LOCAL
+ASM(ADDRL)
+{
+ int v;
+ if ( !strncmp( token, "ADDRL", 5 ) ) {
+STAT("ADDRL");
+ instructionCount++;
+ Parse();
+ v = ParseExpression();
+ v = 8 + currentArgs + v;
+ EmitByte( &segment[CODESEG], OP_LOCAL );
+ EmitInt( &segment[CODESEG], v );
+ return 1;
+ }
+ return 0;
+}
+
+ASM(PROC)
+{
+ char name[1024];
+ if ( !strcmp( token, "proc" ) ) {
+STAT("PROC");
+ Parse(); // function name
+ strcpy( name, token );
+
+ DefineSymbol( token, instructionCount ); // segment[CODESEG].imageUsed );
+
+ currentLocals = ParseValue(); // locals
+ currentLocals = ( currentLocals + 3 ) & ~3;
+ currentArgs = ParseValue(); // arg marshalling
+ currentArgs = ( currentArgs + 3 ) & ~3;
+
+ if ( 8 + currentLocals + currentArgs >= 32767 ) {
+ CodeError( "Locals > 32k in %s\n", name );
+ }
+
+ instructionCount++;
+ EmitByte( &segment[CODESEG], OP_ENTER );
+ EmitInt( &segment[CODESEG], 8 + currentLocals + currentArgs );
+ return 1;
+ }
+ return 0;
+}
+
+
+ASM(ENDPROC)
+{
+ int v, v2;
+ if ( !strcmp( token, "endproc" ) ) {
+STAT("ENDPROC");
+ Parse(); // skip the function name
+ v = ParseValue(); // locals
+ v2 = ParseValue(); // arg marshalling
+
+ // all functions must leave something on the opstack
+ instructionCount++;
+ EmitByte( &segment[CODESEG], OP_PUSH );
+
+ instructionCount++;
+ EmitByte( &segment[CODESEG], OP_LEAVE );
+ EmitInt( &segment[CODESEG], 8 + currentLocals + currentArgs );
+
+ return 1;
+ }
+ return 0;
+}
+
+
+ASM(ADDRESS)
+{
+ int v;
+ if ( !strcmp( token, "address" ) ) {
+STAT("ADDRESS");
+ Parse();
+ v = ParseExpression();
+
+/* Addresses are 32 bits wide, and therefore go into data segment. */
+ HackToSegment( DATASEG );
+ EmitInt( currentSegment, v );
+ if( passNumber == 1 && token[ 0 ] == '$' ) // crude test for labels
+ EmitInt( &segment[ JTRGSEG ], v );
+ return 1;
+ }
+ return 0;
+}
+
+ASM(EXPORT)
+{
+ if ( !strcmp( token, "export" ) ) {
+STAT("EXPORT");
+ return 1;
+ }
+ return 0;
+}
+
+ASM(IMPORT)
+{
+ if ( !strcmp( token, "import" ) ) {
+STAT("IMPORT");
+ return 1;
+ }
+ return 0;
+}
+
+ASM(CODE)
+{
+ if ( !strcmp( token, "code" ) ) {
+STAT("CODE");
+ currentSegment = &segment[CODESEG];
+ return 1;
+ }
+ return 0;
+}
+
+ASM(BSS)
+{
+ if ( !strcmp( token, "bss" ) ) {
+STAT("BSS");
+ currentSegment = &segment[BSSSEG];
+ return 1;
+ }
+ return 0;
+}
+
+ASM(DATA)
+{
+ if ( !strcmp( token, "data" ) ) {
+STAT("DATA");
+ currentSegment = &segment[DATASEG];
+ return 1;
+ }
+ return 0;
+}
+
+ASM(LIT)
+{
+ if ( !strcmp( token, "lit" ) ) {
+STAT("LIT");
+ currentSegment = &segment[LITSEG];
+ return 1;
+ }
+ return 0;
+}
+
+ASM(LINE)
+{
+ if ( !strcmp( token, "line" ) ) {
+STAT("LINE");
+ return 1;
+ }
+ return 0;
+}
+
+ASM(FILE)
+{
+ if ( !strcmp( token, "file" ) ) {
+STAT("FILE");
+ return 1;
+ }
+ return 0;
+}
+
+ASM(EQU)
+{
+ char name[1024];
+ if ( !strcmp( token, "equ" ) ) {
+STAT("EQU");
+ Parse();
+ strcpy( name, token );
+ Parse();
+ DefineSymbol( name, atoiNoCap(token) );
+ return 1;
+ }
+ return 0;
+}
+
+ASM(ALIGN)
+{
+ int v;
+ if ( !strcmp( token, "align" ) ) {
+STAT("ALIGN");
+ v = ParseValue();
+ currentSegment->imageUsed = (currentSegment->imageUsed + v - 1 ) & ~( v - 1 );
+ return 1;
+ }
+ return 0;
+}
+
+ASM(SKIP)
+{
+ int v;
+ if ( !strcmp( token, "skip" ) ) {
+STAT("SKIP");
+ v = ParseValue();
+ currentSegment->imageUsed += v;
+ return 1;
+ }
+ return 0;
+}
+
+ASM(BYTE)
+{
+ int i, v, v2;
+ if ( !strcmp( token, "byte" ) ) {
+STAT("BYTE");
+ v = ParseValue();
+ v2 = ParseValue();
+
+ if ( v == 1 ) {
+/* Character (1-byte) values go into lit(eral) segment. */
+ HackToSegment( LITSEG );
+ } else if ( v == 4 ) {
+/* 32-bit (4-byte) values go into data segment. */
+ HackToSegment( DATASEG );
+ } else if ( v == 2 ) {
+/* and 16-bit (2-byte) values will cause q3asm to barf. */
+ CodeError( "16 bit initialized data not supported" );
+ }
+
+ // emit little endien
+ for ( i = 0 ; i < v ; i++ ) {
+ EmitByte( currentSegment, (v2 & 0xFF) ); /* paranoid ANDing -PH */
+ v2 >>= 8;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+ // code labels are emited as instruction counts, not byte offsets,
+ // because the physical size of the code will change with
+ // different run time compilers and we want to minimize the
+ // size of the required translation table
+ASM(LABEL)
+{
+ if ( !strncmp( token, "LABEL", 5 ) ) {
+STAT("LABEL");
+ Parse();
+ if ( currentSegment == &segment[CODESEG] ) {
+ DefineSymbol( token, instructionCount );
+ } else {
+ DefineSymbol( token, currentSegment->imageUsed );
+ }
+ return 1;
+ }
+ return 0;
+}
+
+
+
+/*
+==============
+AssembleLine
+
+==============
+*/
+static void AssembleLine( void ) {
+ hashchain_t *hc;
+ sourceOps_t *op;
+ int i;
+ int hash;
+
+ Parse();
+ if ( !token[0] ) {
+ return;
+ }
+
+ hash = HashString( token );
+
+/*
+ Opcode search using hash table.
+ Since the opcodes stays mostly fixed, this may benefit even more from a tree.
+ Always with the tree :)
+ -PH
+*/
+ for (hc = hashtable_get(optable, hash); hc; hc = hc->next) {
+ op = (sourceOps_t*)(hc->data);
+ i = op - sourceOps;
+ if ((hash == opcodesHash[i]) && (!strcmp(token, op->name))) {
+ int opcode;
+ int expression;
+
+ if ( op->opcode == OP_UNDEF ) {
+ CodeError( "Undefined opcode: %s\n", token );
+ }
+ if ( op->opcode == OP_IGNORE ) {
+ return; // we ignore most conversions
+ }
+
+ // sign extensions need to check next parm
+ opcode = op->opcode;
+ if ( opcode == OP_SEX8 ) {
+ Parse();
+ if ( token[0] == '1' ) {
+ opcode = OP_SEX8;
+ } else if ( token[0] == '2' ) {
+ opcode = OP_SEX16;
+ } else {
+ CodeError( "Bad sign extension: %s\n", token );
+ return;
+ }
+ }
+
+ // check for expression
+ Parse();
+ if ( token[0] && op->opcode != OP_CVIF
+ && op->opcode != OP_CVFI ) {
+ expression = ParseExpression();
+
+ // code like this can generate non-dword block copies:
+ // auto char buf[2] = " ";
+ // we are just going to round up. This might conceivably
+ // be incorrect if other initialized chars follow.
+ if ( opcode == OP_BLOCK_COPY ) {
+ expression = ( expression + 3 ) & ~3;
+ }
+
+ EmitByte( &segment[CODESEG], opcode );
+ EmitInt( &segment[CODESEG], expression );
+ } else {
+ EmitByte( &segment[CODESEG], opcode );
+ }
+
+ instructionCount++;
+ return;
+ }
+ }
+
+/* This falls through if an assembly opcode is not found. -PH */
+
+/* The following should be sorted in sequence of statistical frequency, most frequent first. -PH */
+/*
+Empirical frequency statistics from FI 2001.01.23:
+ 109892 STAT ADDRL
+ 72188 STAT BYTE
+ 51150 STAT LINE
+ 50906 STAT ARG
+ 43704 STAT IMPORT
+ 34902 STAT LABEL
+ 32066 STAT ADDRF
+ 23704 STAT CALL
+ 7720 STAT POP
+ 7256 STAT RET
+ 5198 STAT ALIGN
+ 3292 STAT EXPORT
+ 2878 STAT PROC
+ 2878 STAT ENDPROC
+ 2812 STAT ADDRESS
+ 738 STAT SKIP
+ 374 STAT EQU
+ 280 STAT CODE
+ 176 STAT LIT
+ 102 STAT FILE
+ 100 STAT BSS
+ 68 STAT DATA
+
+ -PH
+*/
+
+#undef ASM
+#define ASM(O) if (TryAssemble##O ()) return;
+
+ ASM(ADDRL)
+ ASM(BYTE)
+ ASM(LINE)
+ ASM(ARG)
+ ASM(IMPORT)
+ ASM(LABEL)
+ ASM(ADDRF)
+ ASM(CALL)
+ ASM(POP)
+ ASM(RET)
+ ASM(ALIGN)
+ ASM(EXPORT)
+ ASM(PROC)
+ ASM(ENDPROC)
+ ASM(ADDRESS)
+ ASM(SKIP)
+ ASM(EQU)
+ ASM(CODE)
+ ASM(LIT)
+ ASM(FILE)
+ ASM(BSS)
+ ASM(DATA)
+
+ CodeError( "Unknown token: %s\n", token );
+}
+
+/*
+==============
+InitTables
+==============
+*/
+void InitTables( void ) {
+ int i;
+
+ symtable = hashtable_new(symtablelen);
+ optable = hashtable_new(100); /* There's hardly 100 opcodes anyway. */
+
+ for ( i = 0 ; i < NUM_SOURCE_OPS ; i++ ) {
+ opcodesHash[i] = HashString( sourceOps[i].name );
+ hashtable_add(optable, opcodesHash[i], sourceOps + i);
+ }
+}
+
+
+/*
+==============
+WriteMapFile
+==============
+*/
+static void WriteMapFile( void ) {
+ FILE *f;
+ symbol_t *s;
+ char imageName[MAX_OS_PATH];
+ int seg;
+
+ strcpy( imageName, outputFilename );
+ StripExtension( imageName );
+ strcat( imageName, ".map" );
+
+ report( "Writing %s...\n", imageName );
+
+ f = SafeOpenWrite( imageName );
+ for ( seg = CODESEG ; seg <= BSSSEG ; seg++ ) {
+ for ( s = symbols ; s ; s = s->next ) {
+ if ( s->name[0] == '$' ) {
+ continue; // skip locals
+ }
+ if ( &segment[seg] != s->segment ) {
+ continue;
+ }
+ fprintf( f, "%i %8x %s\n", seg, s->value, s->name );
+ }
+ }
+ fclose( f );
+}
+
+/*
+===============
+WriteVmFile
+===============
+*/
+static void WriteVmFile( void ) {
+ char imageName[MAX_OS_PATH];
+ vmHeader_t header;
+ FILE *f;
+ int headerSize;
+
+ report( "%i total errors\n", errorCount );
+
+ strcpy( imageName, outputFilename );
+ StripExtension( imageName );
+ strcat( imageName, ".qvm" );
+
+ remove( imageName );
+
+ report( "code segment: %7i\n", segment[CODESEG].imageUsed );
+ report( "data segment: %7i\n", segment[DATASEG].imageUsed );
+ report( "lit segment: %7i\n", segment[LITSEG].imageUsed );
+ report( "bss segment: %7i\n", segment[BSSSEG].imageUsed );
+ report( "instruction count: %i\n", instructionCount );
+
+ if ( errorCount != 0 ) {
+ report( "Not writing a file due to errors\n" );
+ return;
+ }
+
+ if( !options.vanillaQ3Compatibility ) {
+ header.vmMagic = VM_MAGIC_VER2;
+ headerSize = sizeof( header );
+ } else {
+ header.vmMagic = VM_MAGIC;
+
+ // Don't write the VM_MAGIC_VER2 bits when maintaining 1.32b compatibility.
+ // (I know this isn't strictly correct due to padding, but then platforms
+ // that pad wouldn't be able to write a correct header anyway). Note: if
+ // vmHeader_t changes, this needs to be adjusted too.
+ headerSize = sizeof( header ) - sizeof( header.jtrgLength );
+ }
+
+ header.instructionCount = instructionCount;
+ header.codeOffset = headerSize;
+ header.codeLength = segment[CODESEG].imageUsed;
+ header.dataOffset = header.codeOffset + segment[CODESEG].imageUsed;
+ header.dataLength = segment[DATASEG].imageUsed;
+ header.litLength = segment[LITSEG].imageUsed;
+ header.bssLength = segment[BSSSEG].imageUsed;
+ header.jtrgLength = segment[JTRGSEG].imageUsed;
+
+ report( "Writing to %s\n", imageName );
+
+#ifdef Q3_BIG_ENDIAN
+ {
+ int i;
+
+ // byte swap the header
+ for ( i = 0 ; i < sizeof( vmHeader_t ) / 4 ; i++ ) {
+ ((int *)&header)[i] = LittleLong( ((int *)&header)[i] );
+ }
+ }
+#endif
+
+ CreatePath( imageName );
+ f = SafeOpenWrite( imageName );
+ SafeWrite( f, &header, headerSize );
+ SafeWrite( f, &segment[CODESEG].image, segment[CODESEG].imageUsed );
+ SafeWrite( f, &segment[DATASEG].image, segment[DATASEG].imageUsed );
+ SafeWrite( f, &segment[LITSEG].image, segment[LITSEG].imageUsed );
+
+ if( !options.vanillaQ3Compatibility ) {
+ SafeWrite( f, &segment[JTRGSEG].image, segment[JTRGSEG].imageUsed );
+ }
+
+ fclose( f );
+}
+
+/*
+===============
+Assemble
+===============
+*/
+static void Assemble( void ) {
+ int i;
+ char filename[MAX_OS_PATH];
+ char *ptr;
+
+ report( "outputFilename: %s\n", outputFilename );
+
+ for ( i = 0 ; i < numAsmFiles ; i++ ) {
+ strcpy( filename, asmFileNames[ i ] );
+ DefaultExtension( filename, ".asm" );
+ LoadFile( filename, (void **)&asmFiles[i] );
+ }
+
+ // assemble
+ for ( passNumber = 0 ; passNumber < 2 ; passNumber++ ) {
+ segment[LITSEG].segmentBase = segment[DATASEG].imageUsed;
+ segment[BSSSEG].segmentBase = segment[LITSEG].segmentBase + segment[LITSEG].imageUsed;
+ segment[JTRGSEG].segmentBase = segment[BSSSEG].segmentBase + segment[BSSSEG].imageUsed;
+ for ( i = 0 ; i < NUM_SEGMENTS ; i++ ) {
+ segment[i].imageUsed = 0;
+ }
+ segment[DATASEG].imageUsed = 4; // skip the 0 byte, so NULL pointers are fixed up properly
+ instructionCount = 0;
+
+ for ( i = 0 ; i < numAsmFiles ; i++ ) {
+ currentFileIndex = i;
+ currentFileName = asmFileNames[ i ];
+ currentFileLine = 0;
+ report("pass %i: %s\n", passNumber, currentFileName );
+ fflush( NULL );
+ ptr = asmFiles[i];
+ while ( ptr ) {
+ ptr = ExtractLine( ptr );
+ AssembleLine();
+ }
+ }
+
+ // align all segment
+ for ( i = 0 ; i < NUM_SEGMENTS ; i++ ) {
+ segment[i].imageUsed = (segment[i].imageUsed + 3) & ~3;
+ }
+ if (passNumber == 0) {
+ sort_symbols();
+ }
+ }
+
+ // reserve the stack in bss
+ DefineSymbol( "_stackStart", segment[BSSSEG].imageUsed );
+ segment[BSSSEG].imageUsed += stackSize;
+ DefineSymbol( "_stackEnd", segment[BSSSEG].imageUsed );
+
+ // write the image
+ WriteVmFile();
+
+ // write the map file even if there were errors
+ if( options.writeMapFile ) {
+ WriteMapFile();
+ }
+}
+
+
+/*
+=============
+ParseOptionFile
+
+=============
+*/
+static void ParseOptionFile( const char *filename ) {
+ char expanded[MAX_OS_PATH];
+ char *text, *text_p;
+
+ strcpy( expanded, filename );
+ DefaultExtension( expanded, ".q3asm" );
+ LoadFile( expanded, (void **)&text );
+ if ( !text ) {
+ return;
+ }
+
+ text_p = text;
+
+ while( ( text_p = COM_Parse( text_p ) ) != 0 ) {
+ if ( !strcmp( com_token, "-o" ) ) {
+ // allow output override in option file
+ text_p = COM_Parse( text_p );
+ if ( text_p ) {
+ strcpy( outputFilename, com_token );
+ }
+ continue;
+ }
+
+ asmFileNames[ numAsmFiles ] = copystring( com_token );
+ numAsmFiles++;
+ }
+}
+
+static void ShowHelp( char *argv0 ) {
+ Error("Usage: %s [OPTION]... [FILES]...\n\
+Assemble LCC bytecode assembly to Q3VM bytecode.\n\
+\n\
+ -o OUTPUT Write assembled output to file OUTPUT.qvm\n\
+ -f LISTFILE Read options and list of files to assemble from LISTFILE.q3asm\n\
+ -b BUCKETS Set symbol hash table to BUCKETS buckets\n\
+ -m Generate a mapfile for each OUTPUT.qvm\n\
+ -v Verbose compilation report\n\
+ -vq3 Produce a qvm file compatible with Q3 1.32b\n\
+ -h --help -? Show this help\n\
+", argv0);
+}
+
+/*
+==============
+main
+==============
+*/
+int main( int argc, char **argv ) {
+ int i;
+ double start, end;
+
+// _chdir( "/quake3/jccode/cgame/lccout" ); // hack for vc profiler
+
+ if ( argc < 2 ) {
+ ShowHelp( argv[0] );
+ }
+
+ start = I_FloatTime ();
+
+ // default filename is "q3asm"
+ strcpy( outputFilename, "q3asm" );
+ numAsmFiles = 0;
+
+ for ( i = 1 ; i < argc ; i++ ) {
+ if ( argv[i][0] != '-' ) {
+ break;
+ }
+ if( !strcmp( argv[ i ], "-h" ) ||
+ !strcmp( argv[ i ], "--help" ) ||
+ !strcmp( argv[ i ], "-?") ) {
+ ShowHelp( argv[0] );
+ }
+
+ if ( !strcmp( argv[i], "-o" ) ) {
+ if ( i == argc - 1 ) {
+ Error( "-o must preceed a filename" );
+ }
+/* Timbo of Tremulous pointed out -o not working; stock ID q3asm folded in the change. Yay. */
+ strcpy( outputFilename, argv[ i+1 ] );
+ i++;
+ continue;
+ }
+
+ if ( !strcmp( argv[i], "-f" ) ) {
+ if ( i == argc - 1 ) {
+ Error( "-f must preceed a filename" );
+ }
+ ParseOptionFile( argv[ i+1 ] );
+ i++;
+ continue;
+ }
+
+ if (!strcmp(argv[i], "-b")) {
+ if (i == argc - 1) {
+ Error("-b requires an argument");
+ }
+ i++;
+ symtablelen = atoiNoCap(argv[i]);
+ continue;
+ }
+
+ if( !strcmp( argv[ i ], "-v" ) ) {
+/* Verbosity option added by Timbo, 2002.09.14.
+By default (no -v option), q3asm remains silent except for critical errors.
+Verbosity turns on all messages, error or not.
+Motivation: not wanting to scrollback for pages to find asm error.
+*/
+ options.verbose = qtrue;
+ continue;
+ }
+
+ if( !strcmp( argv[ i ], "-m" ) ) {
+ options.writeMapFile = qtrue;
+ continue;
+ }
+
+ if( !strcmp( argv[ i ], "-vq3" ) ) {
+ options.vanillaQ3Compatibility = qtrue;
+ continue;
+ }
+
+ Error( "Unknown option: %s", argv[i] );
+ }
+
+ // the rest of the command line args are asm files
+ for ( ; i < argc ; i++ ) {
+ asmFileNames[ numAsmFiles ] = copystring( argv[ i ] );
+ numAsmFiles++;
+ }
+ // In some case it Segfault without this check
+ if ( numAsmFiles == 0 ) {
+ Error( "No file to assemble\n" );
+ }
+
+ InitTables();
+ Assemble();
+
+ {
+ symbol_t *s;
+
+ for ( i = 0, s = symbols ; s ; s = s->next, i++ ) /* nop */ ;
+
+ if (options.verbose)
+ {
+ report("%d symbols defined\n", i);
+ hashtable_stats(symtable);
+ hashtable_stats(optable);
+ }
+ }
+
+ end = I_FloatTime ();
+ report ("%5.0f seconds elapsed\n", end-start);
+
+ return errorCount;
+}
+
generated by cgit (git 2.34.1) at 2025-11-04 05:00:33 +0000