dcc/include/StackFrame.h

45 lines
1.5 KiB
C++

#pragma once
#include "types.h"
#include "ast.h"
#include "icode.h"
#include "locident.h"
#include "error.h"
#include "graph.h"
#include "bundle.h"
/* STACK FRAME */
struct STKSYM
{
COND_EXPR *actual; /* Expression tree of actual parameter */
COND_EXPR *regs; /* For register arguments only */
int16 off; /* Immediate off from BP (+:args, -:params) */
byte regOff; /* Offset is a register (e.g. SI, DI) */
Int size; /* Size */
hlType type; /* Probable type */
eDuVal duVal; /* DEF, USE, VAL */
boolT hasMacro; /* This type needs a macro */
char macro[10]; /* Macro name */
char name[10]; /* Name for this symbol/argument */
boolT invalid; /* Boolean: invalid entry in formal arg list*/
STKSYM()
{
memset(this,0,sizeof(STKSYM));
}
};
struct STKFRAME
{
std::vector<STKSYM> sym;
//STKSYM * sym; /* Symbols */
int16 m_minOff; /* Initial offset in stack frame*/
int16 maxOff; /* Maximum offset in stack frame*/
Int cb; /* Number of bytes in arguments */
Int numArgs; /* No. of arguments in the table*/
void adjustForArgType(Int numArg_, hlType actType_);
STKFRAME() : sym(0),m_minOff(0),maxOff(0),cb(0),numArgs(0)
{
}
Int getLocVar(Int off);
};