2 * Small utility functions for winebuild
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
33 void *xmalloc (size_t size)
37 res = malloc (size ? size : 1);
40 fprintf (stderr, "Virtual memory exhausted.\n");
46 void *xrealloc (void *ptr, size_t size)
48 void *res = realloc (ptr, size);
49 if (size && res == NULL)
51 fprintf (stderr, "Virtual memory exhausted.\n");
57 char *xstrdup( const char *str )
59 char *res = strdup( str );
62 fprintf (stderr, "Virtual memory exhausted.\n");
68 char *strupper(char *s)
71 for (p = s; *p; p++) *p = toupper(*p);
75 int strendswith(const char* str, const char* end)
79 return l >= m && strcmp(str + l - m, end) == 0;
82 void fatal_error( const char *msg, ... )
85 va_start( valist, msg );
88 fprintf( stderr, "%s:", input_file_name );
90 fprintf( stderr, "%d:", current_line );
93 else fprintf( stderr, "winebuild: " );
94 vfprintf( stderr, msg, valist );
99 void fatal_perror( const char *msg, ... )
102 va_start( valist, msg );
105 fprintf( stderr, "%s:", input_file_name );
107 fprintf( stderr, "%d:", current_line );
108 fputc( ' ', stderr );
110 vfprintf( stderr, msg, valist );
116 void error( const char *msg, ... )
119 va_start( valist, msg );
122 fprintf( stderr, "%s:", input_file_name );
124 fprintf( stderr, "%d:", current_line );
125 fputc( ' ', stderr );
127 vfprintf( stderr, msg, valist );
132 void warning( const char *msg, ... )
136 if (!display_warnings) return;
137 va_start( valist, msg );
140 fprintf( stderr, "%s:", input_file_name );
142 fprintf( stderr, "%d:", current_line );
143 fputc( ' ', stderr );
145 fprintf( stderr, "warning: " );
146 vfprintf( stderr, msg, valist );
150 /* output a standard header for generated files */
151 void output_standard_file_header( FILE *outfile )
154 fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n",
157 fprintf( outfile, "/* File generated automatically; do not edit! */\n" );
159 "/* This file can be copied, modified and distributed without restriction. */\n\n" );
162 /* dump a byte stream into the assembly code */
163 void dump_bytes( FILE *outfile, const unsigned char *data, int len,
164 const char *label, int constant )
168 fprintf( outfile, "\nstatic %sunsigned char %s[%d] = {",
169 constant ? "const " : "", label, len );
170 for (i = 0; i < len; i++)
172 if (!(i & 7)) fprintf( outfile, "\n " );
173 fprintf( outfile, "0x%02x", *data++ );
174 if (i < len - 1) fprintf( outfile, "," );
176 fprintf( outfile, "\n};\n" );
180 /*******************************************************************
183 * Open a file in the given srcdir and set the input_file_name global variable.
185 FILE *open_input_file( const char *srcdir, const char *name )
188 FILE *file = fopen( name, "r" );
192 fullname = xmalloc( strlen(srcdir) + strlen(name) + 2 );
193 strcpy( fullname, srcdir );
194 strcat( fullname, "/" );
195 strcat( fullname, name );
196 file = fopen( fullname, "r" );
198 else fullname = xstrdup( name );
200 if (!file) fatal_error( "Cannot open file '%s'\n", fullname );
201 input_file_name = fullname;
207 /*******************************************************************
210 * Close the current input file (must have been opened with open_input_file).
212 void close_input_file( FILE *file )
215 free( input_file_name );
216 input_file_name = NULL;
221 /*******************************************************************
222 * remove_stdcall_decoration
224 * Remove a possible @xx suffix from a function name.
225 * Return the numerical value of the suffix, or -1 if none.
227 int remove_stdcall_decoration( char *name )
229 char *p, *end = strrchr( name, '@' );
230 if (!end || !end[1] || end == name) return -1;
231 /* make sure all the rest is digits */
232 for (p = end + 1; *p; p++) if (!isdigit(*p)) return -1;
234 return atoi( end + 1 );
238 /*******************************************************************
241 * Create a new dll spec file descriptor
243 DLLSPEC *alloc_dll_spec(void)
247 spec = xmalloc( sizeof(*spec) );
248 spec->file_name = NULL;
249 spec->dll_name = NULL;
250 spec->owner_name = NULL;
251 spec->init_func = NULL;
252 spec->type = SPEC_WIN32;
253 spec->base = MAX_ORDINALS;
255 spec->stack_size = 0;
257 spec->nb_entry_points = 0;
258 spec->alloc_entry_points = 0;
260 spec->nb_resources = 0;
261 spec->characteristics = 0;
263 spec->subsystem_major = 4;
264 spec->subsystem_minor = 0;
265 spec->entry_points = NULL;
267 spec->ordinals = NULL;
268 spec->resources = NULL;
273 /*******************************************************************
276 * Free dll spec file descriptor
278 void free_dll_spec( DLLSPEC *spec )
282 for (i = 0; i < spec->nb_entry_points; i++)
284 ORDDEF *odp = &spec->entry_points[i];
286 free( odp->export_name );
287 free( odp->link_name );
289 free( spec->file_name );
290 free( spec->dll_name );
291 free( spec->owner_name );
292 free( spec->init_func );
293 free( spec->entry_points );
295 free( spec->ordinals );
296 free( spec->resources );
301 /*******************************************************************
304 * Map a string to a valid C identifier.
306 const char *make_c_identifier( const char *str )
308 static char buffer[256];
311 for (p = buffer; *str && p < buffer+sizeof(buffer)-1; p++, str++)
313 if (isalnum(*str)) *p = *str;
321 /*****************************************************************
322 * Function: get_alignment
325 * According to the info page for gas, the .align directive behaves
326 * differently on different systems. On some architectures, the
327 * argument of a .align directive is the number of bytes to pad to, so
328 * to align on an 8-byte boundary you'd say
330 * On other systems, the argument is "the number of low-order zero bits
331 * that the location counter must have after advancement." So to
332 * align on an 8-byte boundary you'd say
335 * The reason gas is written this way is that it's trying to mimick
336 * native assemblers for the various architectures it runs on. gas
337 * provides other directives that work consistantly across
338 * architectures, but of course we want to work on all arches with or
339 * without gas. Hence this function.
343 * align -- the number of bytes to align to. Must be a power of 2.
345 unsigned int get_alignment(unsigned int align)
349 assert( !(align & (align - 1)) );
355 if (target_platform != PLATFORM_APPLE) return align;
360 while ((1 << n) != align) n++;
368 /* return the page size for the target CPU */
369 unsigned int get_page_size(void)
373 case CPU_x86: return 4096;
374 case CPU_POWERPC: return 4096;
375 case CPU_SPARC: return 8192;
376 case CPU_ALPHA: return 8192;
383 /* return the assembly name for a C symbol */
384 const char *asm_name( const char *sym )
386 static char buffer[256];
388 switch (target_platform)
391 case PLATFORM_WINDOWS:
393 strcpy( buffer + 1, sym );
400 /* return an assembly function declaration for a C function name */
401 const char *func_declaration( const char *func )
403 static char buffer[256];
405 switch (target_platform)
409 case PLATFORM_WINDOWS:
410 sprintf( buffer, ".def _%s; .scl 2; .type 32; .endef", func );
413 sprintf( buffer, ".type %s,2", func );
416 sprintf( buffer, ".type %s,@function", func );
422 /* return a size declaration for an assembly function */
423 const char *func_size( const char *func )
425 static char buffer[256];
427 switch (target_platform)
430 case PLATFORM_WINDOWS:
433 sprintf( buffer, ".size %s, .-%s", func, func );
438 const char *get_asm_string_keyword(void)
440 switch (target_platform)
450 const char *get_asm_short_keyword(void)
452 switch (target_platform)
454 case PLATFORM_SVR4: return ".half";
455 default: return ".short";