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/*-------------------------------------------------------------------------
gen.h - header file for code generation for hc(s)08
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#ifndef SDCCGENHC08_H
#define SDCCGENHC08_H
enum
{
AOP_LIT = 1,
AOP_REG, AOP_DIR,
AOP_STK, AOP_IMMD, AOP_STR,
AOP_CRY,
AOP_EXT, AOP_SOF, AOP_DUMMY, AOP_IDX
};
enum
{
ACCUSE_XA = 1,
ACCUSE_HX
};
/* type asmop : a homogenised type for
all the different spaces an operand can be
in */
typedef struct asmop
{
short type;
/* can have values
AOP_LIT - operand is a literal value
AOP_REG - is in registers
AOP_DIR - operand using direct addressing mode
AOP_STK - should be pushed on stack this
can happen only for the result
AOP_IMMD - immediate value for eg. remateriazable
AOP_CRY - carry contains the value of this
AOP_STR - array of strings
AOP_SOF - operand at an offset on the stack
AOP_EXT - operand using extended addressing mode
AOP_IDX - operand using indexed addressing mode
*/
short regmask; /* register mask if AOP_REG */
short coff; /* current offset */
short size; /* total size */
operand *op; /* originating operand */
unsigned code:1; /* is in Code space */
unsigned freed:1; /* already freed */
unsigned stacked:1; /* partial results stored on stack */
struct asmop *stk_aop[4]; /* asmops for the results on the stack */
union
{
value *aop_lit; /* if literal */
reg_info *aop_reg[4]; /* array of registers */
char *aop_dir; /* if direct */
struct {
char *aop_immd1; /* if immediate others are implied */
char *aop_immd2; /* cast remat will generate this */
} aop_immd;
int aop_stk; /* stack offset when AOP_STK */
}
aopu;
}
asmop;
void genhc08Code (iCode *);
void hc08_emitDebuggerSymbol (const char *);
extern unsigned fReturnSizeHC08;
iCode *hasInchc08 (operand *op, const iCode *ic, int osize);
extern bool hc08_assignment_optimal;
#endif
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