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
-struct pCodeOp;
+#include "common.h"
+
+#include "main.h"
+#include "pcode.h"
+#include "ralloc.h"
+
+#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)
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
-
- };
-
-/* type asmop : a homogenised type for
+{
+ AOP_LIT = 1,
+ AOP_REG,
+ AOP_DIR,
+ AOP_STK,
+ AOP_IMMD,
+ AOP_STR,
+ AOP_CRY,
+ AOP_PCODE
+
+};
+
+/* 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_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
{
-
- 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;
+ 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 MOVA(x) if (strcmp(x,"a") && strcmp(x,"acc")) pic14_emitcode(";XXX mov","a,%s %s,%d",x,__FILE__,__LINE__);
#define CLRC pic14_emitcode(";XXX clr","c %s,%d",__FILE__,__LINE__);
-#define BIT_NUMBER(x) (x & 7)
-#define BIT_REGISTER(x) (x>>3)
-
-
#define LSB 0
#define MSB16 1
#define MSB24 2
#define MSB32 3
-
-#define FUNCTION_LABEL_INC 40
-
/*-----------------------------------------------------------------*/
/* Macros for emitting skip instructions */
/*-----------------------------------------------------------------*/
#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, ...);
-asmop *newAsmop (short type);
+void pic14_emitDebuggerSymbol (char *);
bool pic14_sameRegs (asmop *aop1, asmop *aop2 );
char *aopGet (asmop *aop, int offset, bool bit16, bool dname);
+void DEBUGpic14_AopType(int line_no, operand *left, operand *right, operand *result);
+void genpic14Code (iCode *lic);
-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 *popGet (asmop *aop, int offset);//, bool bit16, bool dname);
+pCodeOp *popGetAddr (asmop *aop, int offset, int index);
+pCodeOp *popGetExternal (char *str, int isReg);
pCodeOp *popGetLabel(unsigned int key);
-pCodeOp *popCopyReg(pCodeOpReg *pc);
-pCodeOp *popCopyGPR2Bit(pCodeOp *pc, int bitval);
pCodeOp *popGetLit(unsigned int lit);
-pCodeOp *popGetWithString(char *str);
-pCodeOp *popRegFromString(char *str);
-pCodeOp *popGet (asmop *aop, int offset);//, bool bit16, bool dname);
-pCodeOp *popGetTempReg(void);
-void popReleaseTempReg(pCodeOp *pcop);
void aopPut (asmop *aop, char *s, int offset);
void pic14_outAcc(operand *result);
void aopOp (operand *op, iCode *ic, bool result);
-void pic14_outBitC(operand *result);
-void pic14_toBoolean(operand *oper);
void freeAsmop (operand *op, asmop *aaop, iCode *ic, bool pop);
-
-
+void mov2w (asmop *aop, int offset);
+int op_isLitLike (operand *op);
+
+/*
+ * From genarith.c:
+ */
+const char *AopType(short type);
+const char *pCodeOpType(pCodeOp *pcop);
+void genPlus (iCode *ic);
+void addSign(operand *result, int offset, int sign);
+void genMinus (iCode *ic);
#endif
projects / fw / sdcc / blobdiff