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Don't enter an imported dll in the import table at all if we didn't 

need to import any symbol from it.
This commit is contained in:
Alexandre Julliard 2003-03-16 23:59:48 +00:00
parent f602ec661d
commit daecaba4a3
1 changed files with 22 additions and 5 deletions
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27
tools/winebuild/import.c
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@ -374,6 +374,17 @@ void add_import_dll( const char *name, int delay )
else free_imports( imp );
}
/* remove an imported dll, based on its index in the dll_imports array */
static void remove_import_dll( int index )
{
struct import *imp = dll_imports[index];
memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
nb_imports--;
if (imp->delay) nb_delayed--;
free_imports( imp );
}
/* initialize the list of ignored symbols */
static void init_ignored_symbols(void)
{
@ -545,8 +556,8 @@ static void add_extra_undef_symbols(void)
}
}
/* warn if a given dll is not used, but check forwards first */
static void warn_unused( const struct import* imp )
/* check if a given imported dll is not needed, taking forwards into account */
static int check_unused( const struct import* imp )
{
int i;
size_t len = strlen(imp->dll);
@ -559,9 +570,9 @@ static void warn_unused( const struct import* imp )
if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
if (!strncasecmp( odp->link_name, imp->dll, len ) &&
odp->link_name[len] == '.')
return; /* found an import, do not warn */
return 0; /* found a forward, it is used */
}
warning( "%s imported but no symbols used\n", imp->dll );
return 1;
}
/* combine a list of object files with ld into a single object file */
@ -667,7 +678,13 @@ int resolve_imports( void )
}
}
/* remove all the holes in the undef symbols list */
if (!remove_symbol_holes()) warn_unused( imp );
if (!remove_symbol_holes() && check_unused( imp ))
{
/* the dll is not used, get rid of it */
warning( "%s imported but no symbols used\n", imp->dll );
remove_import_dll( i );
i--;
}
}
return 1;
}