* net/loveruby/cflat/ast/UndefinedVariable.java: should not append '$' for extern symbol address.

* import/stdio.hb: add va_list functions.
* import/stdarg.hb: new file.


git-svn-id: file:///Users/aamine/c/gitwork/public/cbc/trunk@4014 1b9489fe-b721-0410-924e-b54b9192deb8

ChangeLog

@@ -1,3 +1,12 @@
+Sun Sep 14 05:36:30 2008  Minero Aoki  <aamine@loveruby.net>
+
+	* net/loveruby/cflat/ast/UndefinedVariable.java: should not append
+	  '$' for extern symbol address.
+
+	* import/stdio.hb: add va_list functions.
+
+	* import/stdarg.hb: new file.
+
 Sun Sep 14 02:27:56 2008  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/compiler/TypeChecker.java: reject incomplete

ToDo

@@ -2,8 +2,11 @@
 
 == Current
 
-* extern gvar access
-* simple vararg retrieve (get vararg address)
+* handle multiple arguments (source files, assembly files, object files)
+* -l
+* -L
+* -Wl, -Xlinker
+* va_list
 * -Wa, -Xassembler
 * -O (peephole optimization)
         * movl $0, %eax => xorl %eax, %eax
@@ -17,9 +20,6 @@
         * imull $1, %eax => NONE
         * label renaming
         * remove useless jump
-* -Wl, -Xlinker
-* -l
-* -L
 * -fPIC (PIC generation)
 * -shared
 * remove all FIXME
@@ -230,3 +230,4 @@
 - sizeof
 - calculate address on AX register.
 - prohibit multi-dimension array without size
+- extern gvar access

import/stdarg.hb

@@ -0,0 +1,7 @@
+// stdarg.hb
+
+typedef unsigned long va_arg_t;
+typedef va_arg_t* va_list;
+
+extern va_list va_init(void* arg);
+extern void* va_next(va_list* ap);

import/stdio.hb

@@ -2,6 +2,7 @@
 // stdio.hb
 
 import stddef;  // for size_t
+import stdarg;
 
 typedef unsigned long FILE;   // dummy
 
@@ -36,3 +37,7 @@ extern int ferror(FILE* stream);
 extern int fileno(FILE* stream);
 extern void clearerr(FILE* stream);
 extern void perror(char* param);
+extern int vprintf(char* fmt, va_list ap);
+extern int vfprintf(FILE* s, char* fmt, va_list ap);
+extern int vsprintf(char *buf, char* fmt, va_list ap);
+extern int vsnprintf(char *buf, size_t size, char* fmt, va_list ap);

net/loveruby/cflat/ast/UndefinedVariable.java

@@ -20,7 +20,7 @@ public class UndefinedVariable extends Variable {
     }
 
     public AsmEntity address() {
-        return new Reference(symbol());
+        return new Label(symbol());
     }
 
     protected void _dump(Dumper d) {