SDCCgen51.h - header file for code generation for 8051
Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
- PIC port - T. Scott Dattalo scott@dattalo.com (2000)
+ PIC port - T. Scott Dattalo scott@dattalo.com (2000)
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!
+ what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#ifndef SDCCGENPIC14_H
#define SDCCGENPIC14_H
+extern int debug_verbose;
+
+#define FENTRY do { \
+ /*fprintf (stderr, "%s:%u:%s: *{*\n", __FILE__, __LINE__, __FUNCTION__);*/ \
+ if (options.debug || debug_verbose) { \
+ emitpComment ("; %s:%u:%s *{*", __FILE__, __LINE__, __FUNCTION__); \
+ } \
+} while (0)
+#define FEXIT do { \
+ /*fprintf (stderr, "%s:%u:%s: *}*\n", __FILE__, __LINE__, __FUNCTION__);*/ \
+ if (options.debug || debug.verbose) { \
+ emitpComment ("; %s:%u:%s *}*", __FILE__, __LINE__, __FUNCTION__); \
+ } \
+} while (0)
+
struct pCodeOp;
enum
{
- AOP_LIT = 1,
- AOP_REG, AOP_DIR,
- AOP_DPTR, AOP_DPTR2, AOP_R0, AOP_R1,
- AOP_STK, AOP_IMMD, AOP_STR,
- AOP_CRY, AOP_ACC,
- AOP_PCODE
+ AOP_LIT = 1,
+ AOP_REG,
+ AOP_DIR,
+ AOP_STK,
+ AOP_IMMD,
+ AOP_STR,
+ AOP_CRY,
+ AOP_PCODE
};
-/* type asmop : a homogenised type for
+/* 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 - direct just a name
- AOP_DPTR - dptr contains address of operand
- AOP_DPTR2 - dptr2 contains address of operand (DS80C390 only).
- AOP_R0/R1 - r0/r1 contains address of operand
- 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_ACC - result is in the acc:b pair
- */
- short coff; /* current offset */
- short size; /* total size */
- unsigned code:1; /* is in Code space */
- unsigned paged:1; /* in paged memory */
- unsigned freed:1; /* already freed */
- union
- {
- value *aop_lit; /* if literal */
- regs *aop_reg[4]; /* array of registers */
- char *aop_dir; /* if direct */
- regs *aop_ptr; /* either -> to r0 or r1 */
- char *aop_immd; /* if immediate others are implied */
- int aop_stk; /* stack offset when AOP_STK */
- char *aop_str[4]; /* just a string array containing the location */
-/* regs *aop_alloc_reg; * points to a dynamically allocated register */
- pCodeOp *pcop;
- }
- aopu;
+ short type; /* can have values
+ AOP_LIT - operand is a literal value
+ AOP_REG - is in registers
+ AOP_DIR - direct just a name
+ 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
+ */
+ short coff; /* current offset */
+ short size; /* total size */
+ unsigned code:1; /* is in Code space */
+ unsigned paged:1; /* in paged memory */
+ unsigned freed:1; /* already freed */
+ union
+ {
+ value *aop_lit; /* if literal */
+ regs *aop_reg[4]; /* array of registers */
+ char *aop_dir; /* if direct */
+ regs *aop_ptr; /* either -> to r0 or r1 */
+ char *aop_immd; /* if immediate others are implied */
+ int aop_stk; /* stack offset when AOP_STK */
+ char *aop_str[4]; /* just a string array containing the location */
+ pCodeOp *pcop;
+ }
+ aopu;
}
asmop;
void genpic14Code (iCode *);
-//extern char *fReturnpic14[];
-//extern char *fReturn390[];
extern unsigned fReturnSizePic;
-//extern char **fReturn;
#define AOP(op) op->aop
#define AOP_TYPE(op) AOP(op)->type
#define AOP_SIZE(op) AOP(op)->size
-#define IS_AOP_PREG(x) (AOP(x) && (AOP_TYPE(x) == AOP_R1 || \
- AOP_TYPE(x) == AOP_R0))
-
-#define AOP_NEEDSACC(x) (AOP(x) && (AOP_TYPE(x) == AOP_CRY || \
- AOP_TYPE(x) == AOP_DPTR || AOP_TYPE(x) == AOP_DPTR2 || \
- AOP(x)->paged))
-#define AOP_INPREG(x) (x && (x->type == AOP_REG && \
- (x->aopu.aop_reg[0] == pic14_regWithIdx(R0_IDX) || \
- x->aopu.aop_reg[0] == pic14_regWithIdx(R1_IDX) )))
+#define AOP_NEEDSACC(x) (AOP(x) && (AOP_TYPE(x) == AOP_CRY || AOP(x)->paged))
#define RESULTONSTACK(x) \
(IC_RESULT(x) && IC_RESULT(x)->aop && \
#define emitCLRZ emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_Z_BIT))
#define emitCLRC emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_C_BIT))
#define emitCLRDC emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_DC_BIT))
+#define emitCLRIRP emitpcode(POC_BCF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT))
#define emitSETZ emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_Z_BIT))
#define emitSETC emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_C_BIT))
#define emitSETDC emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_DC_BIT))
+#define emitSETIRP emitpcode(POC_BSF, popCopyGPR2Bit(PCOP(&pc_status),PIC_IRP_BIT))
int pic14_getDataSize(operand *op);
-void emitpcode(PIC_OPCODE poc, pCodeOp *pcop);
+void emitpcode_real(PIC_OPCODE poc, pCodeOp *pcop);
+#define emitpcode(poc,pcop) do { if (options.debug || debug_verbose) { emitpComment (" >>> %s:%d:%s", __FILE__, __LINE__, __FUNCTION__); } emitpcode_real(poc,pcop); } while(0)
+void emitpComment (const char *fmt, ...);
void emitpLabel(int key);
void pic14_emitcode (char *inst,char *fmt, ...);
void DEBUGpic14_emitcode (char *inst,char *fmt, ...);
+void pic14_emitDebuggerSymbol (char *);
asmop *newAsmop (short type);
bool pic14_sameRegs (asmop *aop1, asmop *aop2 );
char *aopGet (asmop *aop, int offset, bool bit16, bool dname);
bool genPlusIncr (iCode *ic);
void pic14_outBitAcc(operand *result);
-void genPlusBits (iCode *ic);
void genPlus (iCode *ic);
-bool genMinusDec (iCode *ic);
void addSign(operand *result, int offset, int sign);
-void genMinusBits (iCode *ic);
void genMinus (iCode *ic);
pCodeOp *popGetWithString(char *str, int isExtern);
pCodeOp *popRegFromString(char *str, int size, int offset);
pCodeOp *popGet (asmop *aop, int offset);//, bool bit16, bool dname);
+pCodeOp *popGetAddr (asmop *aop, int offset, int index);
pCodeOp *popGetTempReg(void);
void popReleaseTempReg(pCodeOp *pcop);
void mov2w (asmop *aop, int offset);
const char *pCodeOpType( pCodeOp *pcop);
-
+int aop_isLitLike (asmop *aop);
+int op_isLitLike (operand *op);
#endif
projects / fw / sdcc / blobdiff