*/
if ((D->Flags & FD_VARIADIC) != 0) {
*Use = REG_Y;
+ } else if (D->Flags & FD_CALL_WRAPPER) {
+ /* Wrappers may go to any functions, so mark them as using all
+ ** registers.
+ */
+ *Use = REG_EAXY;
} else if (D->ParamCount > 0 &&
(AutoCDecl ?
IsQualFastcall (E->Type) :
#define FD_OLDSTYLE 0x0010U /* Old style (K&R) function */
#define FD_OLDSTYLE_INTRET 0x0020U /* K&R func has implicit int return */
#define FD_UNNAMED_PARAMS 0x0040U /* Function has unnamed params */
+#define FD_CALL_WRAPPER 0x0080U /* This function is used as a wrapper */
/* Bits that must be ignored when comparing funcs */
-#define FD_IGNORE (FD_OLDSTYLE | FD_OLDSTYLE_INTRET | FD_UNNAMED_PARAMS)
+#define FD_IGNORE (FD_OLDSTYLE | FD_OLDSTYLE_INTRET | FD_UNNAMED_PARAMS | FD_CALL_WRAPPER)
PushWrappedCall(Entry, Val);
Entry->Flags |= SC_REF;
+ Entry->V.F.Func->Flags |= FD_CALL_WRAPPER;
} else {
--- /dev/null
+/*
+ !!DESCRIPTION!! wrapped-call pragma w/ many params
+ !!ORIGIN!! cc65 regression tests
+ !!LICENCE!! Public Domain
+ !!AUTHOR!! Lauri Kasanen
+*/
+
+#include <stdarg.h>
+
+static unsigned char flag;
+
+static void trampoline_set() {
+ asm("ldy tmp4");
+ asm("sty %v", flag);
+ asm("jsr callptr4");
+}
+
+#pragma wrapped-call(push, trampoline_set, 4)
+long adder(long in);
+#pragma wrapped-call(pop)
+
+long adder(long in) {
+
+ return in + 7;
+}
+
+int main() {
+
+ flag = 0;
+
+ return adder(70436) == 70436 + 7 && flag == 4 ? 0 : 1;
+}
--- /dev/null
+/*
+ !!DESCRIPTION!! wrapped-call pragma w/ variadic function
+ !!ORIGIN!! cc65 regression tests
+ !!LICENCE!! Public Domain
+ !!AUTHOR!! Lauri Kasanen
+*/
+
+#include <stdarg.h>
+
+static unsigned char flag;
+
+static void trampoline_set() {
+ // The Y register is used for variadics - save and restore
+ asm("sty tmp3");
+
+ asm("ldy tmp4");
+ asm("sty %v", flag);
+
+ asm("ldy tmp3");
+ asm("jsr callptr4");
+}
+
+#pragma wrapped-call(push, trampoline_set, 4)
+unsigned adder(unsigned char num, ...);
+#pragma wrapped-call(pop)
+
+unsigned adder(unsigned char num, ...) {
+
+ unsigned char i;
+ unsigned sum = 0;
+ va_list ap;
+ va_start(ap, num);
+
+ for (i = 0; i < num; i++) {
+ sum += va_arg(ap, unsigned);
+ }
+
+ va_end(ap);
+
+ return sum;
+}
+
+int main() {
+
+ flag = 0;
+
+ return adder(3, 0, 5, 500) == 505 && flag == 4 ? 0 : 1;
+}