108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/****************************************************************************
|
|
* dcc project general header
|
|
* (C) Cristina Cifuentes, Mike van Emmerik
|
|
****************************************************************************/
|
|
#pragma once
|
|
#include <cassert>
|
|
#include <stdint.h>
|
|
#include "Enums.h"
|
|
/**** Common definitions and macros ****/
|
|
#define MAX 0x7FFFFFFF
|
|
|
|
/* Type definitions used in the program */
|
|
typedef unsigned char byte; /* 8 bits */
|
|
typedef unsigned short word;/* 16 bits */
|
|
typedef short int16; /* 16 bits */
|
|
typedef unsigned char boolT; /* 8 bits */
|
|
|
|
#define SYNTHESIZED_MIN 0x100000 /* Synthesized labs use bits 21..32 */
|
|
|
|
/* These are for C library signature detection */
|
|
#define SYMLEN 16 /* Length of proc symbols, incl null */
|
|
#define PATLEN 23 /* Length of proc patterns */
|
|
#define WILD 0xF4 /* The wild byte */
|
|
|
|
/****** MACROS *******/
|
|
|
|
/* Macro reads a LH word from the image regardless of host convention */
|
|
/* Returns a 16 bit quantity, e.g. C000 is read into an Int as C000 */
|
|
//#define LH(p) ((int16)((byte *)(p))[0] + ((int16)((byte *)(p))[1] << 8))
|
|
#define LH(p) ((word)((byte *)(p))[0] + ((word)((byte *)(p))[1] << 8))
|
|
|
|
|
|
/* Macro reads a LH word from the image regardless of host convention */
|
|
/* Returns a signed quantity, e.g. C000 is read into an Int as FFFFC000 */
|
|
#define LH_SIGNED(p) (((byte *)(p))[0] + (((char *)(p))[1] << 8))
|
|
|
|
/* Macro tests bit b for type t in prog.map */
|
|
#define BITMAP(b, t) (prog.map[(b) >> 2] & ((t) << (((b) & 3) << 1)))
|
|
|
|
/* Macro to convert a segment, offset definition into a 20 bit address */
|
|
#define opAdr(seg,off) ((seg << 4) + off)
|
|
|
|
/* duVal FLAGS */
|
|
struct eDuVal
|
|
{
|
|
eDuVal()
|
|
{
|
|
def=use=val=0;
|
|
}
|
|
enum flgs
|
|
{
|
|
DEF=1,
|
|
USE=2,
|
|
VAL=4
|
|
};
|
|
int def :1; /* Variable was first defined than used */
|
|
int use :1; /* Variable was first used than defined */
|
|
int val :1; /* Variable has an initial value. 2 cases:
|
|
* 1. When variable is used first (ie. global)
|
|
* 2. When a value is moved into the variable
|
|
* for the first time. */
|
|
void setFlags(uint16_t x)
|
|
{
|
|
def = x&DEF;
|
|
use = x&USE;
|
|
val = x&VAL;
|
|
}
|
|
bool isUSE_VAL() {return use&&val;} /* Use and Val */
|
|
};
|
|
static constexpr const char * hlTypes[13] = {
|
|
"", "char", "unsigned char", "int", "unsigned int",
|
|
"long", "unsigned long", "record", "int *", "char *",
|
|
"", "float", "double"
|
|
};
|
|
|
|
struct TypeContainer
|
|
{
|
|
hlType m_type;
|
|
size_t m_size;
|
|
TypeContainer(hlType t,size_t sz) : m_type(t),m_size(sz)
|
|
{
|
|
}
|
|
static size_t typeSize(hlType t)
|
|
{
|
|
switch(t)
|
|
{
|
|
case TYPE_WORD_SIGN: case TYPE_WORD_UNSIGN:
|
|
return 2;
|
|
case TYPE_BYTE_SIGN: case TYPE_BYTE_UNSIGN:
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
static hlType defaultTypeForSize(size_t x)
|
|
{
|
|
/* Type of the symbol according to the number of bytes it uses */
|
|
static hlType cbType[] = {TYPE_UNKNOWN, TYPE_BYTE_UNSIGN, TYPE_WORD_SIGN,
|
|
TYPE_UNKNOWN, TYPE_LONG_SIGN};
|
|
|
|
assert(x < sizeof(cbType)/sizeof(hlType));
|
|
return cbType[x];
|
|
}
|
|
static constexpr const char *typeName(hlType t)
|
|
{
|
|
return hlTypes[t];
|
|
}
|
|
};
|