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-rw-r--r--misc/pascal/insn16/libinsn/pgen.c623
1 files changed, 312 insertions, 311 deletions
diff --git a/misc/pascal/insn16/libinsn/pgen.c b/misc/pascal/insn16/libinsn/pgen.c
index cc192587c..818bc907f 100644
--- a/misc/pascal/insn16/libinsn/pgen.c
+++ b/misc/pascal/insn16/libinsn/pgen.c
@@ -1,311 +1,312 @@
-/**********************************************************************
- * pgen.c
- * P-Code generation logic
- *
- * Copyright (C) 2008 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- **********************************************************************/
-
-/**********************************************************************
- * Included Files
- **********************************************************************/
-
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-
-#include "config.h" /* Configuration */
-#include "keywords.h" /* Standard types */
-#include "pdefs.h" /* Common types */
-#include "pofflib.h" /* POFF library definitions */
-#include "podefs.h" /* Logical opcode definitions */
-#include "pedefs.h" /* Error codes */
-#include "pinsn16.h" /* 16-bit target INSN opcode definitions */
-#include "perr.h" /* Error handling logic */
-
-#include "pinsn.h" /* (to verify prototypes in this file) */
-
-/**********************************************************************
- * Definitions
- **********************************************************************/
-
-/**********************************************************************
- * Global Variables
- **********************************************************************/
-
-extern poffHandle_t poffHandle; /* Handle to POFF object */
-extern FILE *lstFile; /* LIST file pointer */
-extern sint16 level; /* Static nesting level */
-
-/**********************************************************************
- * Private Variables
- **********************************************************************/
-
-static const uint16 opmap[NUM_OPCODES] =
-{
- oNOP, /* opNOP */
- oNEG, /* opNEG */
- oABS, /* opABS */
- oINC, /* opINC */
- oDEC, /* opDEC */
- oNOT, /* opNOT */
- oADD, /* opADD */
- oSUB, /* opSUB */
- oMUL, /* opMUL */
- oDIV, /* opDIV */
- oMOD, /* opMOD */
- oSLL, /* opSLL */
- oSRL, /* opSRL */
- oSRA, /* opSRA */
- oOR, /* opOR */
- oAND, /* opAND */
- oEQUZ, /* opEQUZ */
- oNEQZ, /* opNEQZ */
- oLTZ, /* opLTZ */
- oGTEZ, /* opGTEZ */
- oGTZ, /* opGTZ */
- oLTEZ, /* opLTEZ */
- oEQU, /* opEQU */
- oNEQ, /* opNEQ */
- oLT, /* opLT */
- oGTE, /* opGTE */
- oGT, /* opGT */
- oLTE, /* opLTE */
- oBIT, /* opBIT */
- oLDIH, /* opLDI -- integer load maps to 16-bit load */
- oLDIB, /* opLDIB */
- oLDIM, /* opLDIM */
- oSTIH, /* opSTI - integer store maps to 16-bit store */
- oSTIB, /* opSTIB */
- oSTIM, /* opSTIM */
- oDUPH, /* opDUP -- integer duplicate maps to 16-bit duplicate */
- oPUSHS, /* opPUSHS */
- oPOPS, /* opPOPS */
- oRET, /* opRET */
- oEND, /* opEND */
- oFLOAT, /* opFLOAT */
- oJEQUZ, /* opJEQUZ */
- oJNEQZ, /* opJNEQZ */
- oJMP, /* opJMP */
- oJEQU, /* opJEQU */
- oJNEQ, /* opJNEQ */
- oJLT, /* opJLT */
- oJGTE, /* opJGTE */
- oJGT, /* opJGT */
- oJLTE, /* opJLTE */
- oLDH, /* opLD -- integer load maps to 16-bit load */
- oLDH, /* opLDH */
- oLDB, /* opLDB */
- oLDM, /* opLDM */
- oSTH, /* opST -- integer store maps to 16-bit store */
- oSTB, /* opSTB */
- oSTM, /* opSTM */
- oLDXH, /* opLDX -- integer load maps to 16-bit load */
- oLDXB, /* opLDXB */
- oLDXM, /* opLDXM */
- oSTXH, /* opSTX -- integer store maps to 16-bit store */
- oSTXB, /* opSTXB */
- oSTXM, /* opSTXM */
- oLA, /* opLA */
- oLAC, /* opLAC */
- oPUSH, /* opPUSH */
- oINDS, /* opINDS */
- oLAX, /* opLAX */
- oLIB, /* opLIB */
- oLABEL, /* opLABEL */
- oPCAL, /* opPCAL */
- oLDSH, /* opLDS -- integer store maps to 16-bit load */
- oLDSH, /* opLDSH */
- oLDSB, /* opLDSB */
- oLDSM, /* opLDSM */
- oSTSH, /* opSTS -- integer store maps to 16-bit store */
- oSTSB, /* opSTSB */
- oSTSM, /* opSTSM */
- oLDSXH, /* opLDSX -- integer load maps to 16-bit load */
- oLDSXB, /* opLDSXB */
- oLDSXM, /* opLDSXM */
- oSTSXH, /* opSTSX -- integer store maps to 16-bit store */
- oSTSXB, /* opSTSXB */
- oSTSXM, /* opSTSXM */
- oLAS, /* opLAS */
- oLASX, /* opLASX */
- oSYSIO, /* opSYSIO */
- oLINE, /* opLINE */
-};
-
-/***********************************************************************
- * Private Function Prototypes
- ***********************************************************************/
-
-/***********************************************************************
- * Private Functions
- ***********************************************************************/
-
-static void
-insn16_Generate(enum pcode_e opcode, uint16 arg1, sint32 arg2);
-
-/***********************************************************************
- * Private Functions
- ***********************************************************************/
-
-/***********************************************************************/
-/* Disassemble an Op-code */
-
-#if CONFIG_DEBUG
-static inline void
-insn16_DisassemblePCode(ubyte opcode, ubyte arg1, uint16 arg2)
-{
- OPTYPE op;
-
- op.op = opcode;
- op.arg1 = arg1;
- op.arg2 = arg2;
-
- insn_DisassemblePCode(lstFile, &op);
-}
-#else
-# define insn16_DisassemblePCode(op,a1,a2)
-#endif
-
-/***********************************************************************/
-/* Generate an Op-Code */
-
-static void
-insn16_Generate(enum pcode_e opcode, uint16 arg1, sint32 arg2)
-{
- uint16 insn_opcode = opmap[opcode];
- uint16 arg16;
- TRACE(lstFile,"[insn16_Generate:0x%02x->0x%04x]", opcode, insn_opcode);
-
- poffAddProgByte(poffHandle, insn_opcode);
- if (insn_opcode & o8)
- {
- if (arg1 > 0xff) error(eINTOVF);
- poffAddProgByte(poffHandle, (ubyte)arg1);
- } /* End if */
-
- if (insn_opcode & o16)
- {
- if ((arg2 < -32768) || (arg2 > 65535)) error(eINTOVF);
- arg16 = (uint16)arg2;
- poffAddProgByte(poffHandle, (ubyte)(arg16 >> 8));
- poffAddProgByte(poffHandle, (ubyte)(arg16 & 0xff));
- } /* End if */
-
- /* Now, add the disassembled PCode to the list file. */
-
- insn16_DisassemblePCode(insn_opcode, arg1, arg2);
-
-} /* end insn16_Generate */
-
-/***********************************************************************
- * Public Functions
- ***********************************************************************/
-
-void
-insn_GenerateSimple(enum pcode_e opcode)
-{
- insn16_Generate(opcode, 0, 0);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateDataOperation(enum pcode_e opcode, sint32 data)
-{
- insn16_Generate(opcode, 0, data);
-}
-
-/***********************************************************************/
-/* Data size for a multiple register operation (in bytes) is simply
- * represented by that value at the top of the stack.
- */
-
-void insn_GenerateDataSize(uint32 dwDataSize)
-{
- insn16_Generate(opPUSH, 0, dwDataSize);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateFpOperation(ubyte fpOpcode)
-{
- insn16_Generate(opFLOAT, fpOpcode, 0);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateIoOperation(uint16 ioOpcode, uint16 fileNumber)
-{
- insn16_Generate(opSYSIO, fileNumber, (sint32)ioOpcode);
-}
-
-/***********************************************************************/
-
-void
-insn_BuiltInFunctionCall(uint16 libOpcode)
-{
- insn16_Generate(opLIB, 0, (sint32)libOpcode);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateLevelReference(enum pcode_e opcode, uint16 level, sint32 offset)
-{
- insn16_Generate(opcode, level, offset);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateProcedureCall(uint16 level, sint32 offset)
-{
- insn16_Generate(opPCAL, level, offset);
-}
-
-/***********************************************************************/
-
-void
-insn_GenerateLineNumber(uint16 includeNumber, uint32 lineNumber)
-{
- insn16_Generate(opLINE, includeNumber, lineNumber);
-}
-
-/***********************************************************************/
-
-void
-insn_SetStackLevel(uint32 level)
-{
- /* Do nothing */
-}
+/**********************************************************************
+ * pgen.c
+ * P-Code generation logic
+ *
+ * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ **********************************************************************/
+
+/**********************************************************************
+ * Included Files
+ **********************************************************************/
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "config.h" /* Configuration */
+#include "keywords.h" /* Standard types */
+#include "pdefs.h" /* Common types */
+#include "pofflib.h" /* POFF library definitions */
+#include "podefs.h" /* Logical opcode definitions */
+#include "pedefs.h" /* Error codes */
+#include "pinsn16.h" /* 16-bit target INSN opcode definitions */
+#include "perr.h" /* Error handling logic */
+
+#include "pinsn.h" /* (to verify prototypes in this file) */
+
+/**********************************************************************
+ * Definitions
+ **********************************************************************/
+
+/**********************************************************************
+ * Global Variables
+ **********************************************************************/
+
+extern poffHandle_t poffHandle; /* Handle to POFF object */
+extern FILE *lstFile; /* LIST file pointer */
+extern int16_t level; /* Static nesting level */
+
+/**********************************************************************
+ * Private Variables
+ **********************************************************************/
+
+static const uint16_t opmap[NUM_OPCODES] =
+{
+ oNOP, /* opNOP */
+ oNEG, /* opNEG */
+ oABS, /* opABS */
+ oINC, /* opINC */
+ oDEC, /* opDEC */
+ oNOT, /* opNOT */
+ oADD, /* opADD */
+ oSUB, /* opSUB */
+ oMUL, /* opMUL */
+ oDIV, /* opDIV */
+ oMOD, /* opMOD */
+ oSLL, /* opSLL */
+ oSRL, /* opSRL */
+ oSRA, /* opSRA */
+ oOR, /* opOR */
+ oAND, /* opAND */
+ oEQUZ, /* opEQUZ */
+ oNEQZ, /* opNEQZ */
+ oLTZ, /* opLTZ */
+ oGTEZ, /* opGTEZ */
+ oGTZ, /* opGTZ */
+ oLTEZ, /* opLTEZ */
+ oEQU, /* opEQU */
+ oNEQ, /* opNEQ */
+ oLT, /* opLT */
+ oGTE, /* opGTE */
+ oGT, /* opGT */
+ oLTE, /* opLTE */
+ oBIT, /* opBIT */
+ oLDIH, /* opLDI -- integer load maps to 16-bit load */
+ oLDIB, /* opLDIB */
+ oLDIM, /* opLDIM */
+ oSTIH, /* opSTI - integer store maps to 16-bit store */
+ oSTIB, /* opSTIB */
+ oSTIM, /* opSTIM */
+ oDUPH, /* opDUP -- integer duplicate maps to 16-bit duplicate */
+ oPUSHS, /* opPUSHS */
+ oPOPS, /* opPOPS */
+ oRET, /* opRET */
+ oEND, /* opEND */
+ oFLOAT, /* opFLOAT */
+ oJEQUZ, /* opJEQUZ */
+ oJNEQZ, /* opJNEQZ */
+ oJMP, /* opJMP */
+ oJEQU, /* opJEQU */
+ oJNEQ, /* opJNEQ */
+ oJLT, /* opJLT */
+ oJGTE, /* opJGTE */
+ oJGT, /* opJGT */
+ oJLTE, /* opJLTE */
+ oLDH, /* opLD -- integer load maps to 16-bit load */
+ oLDH, /* opLDH */
+ oLDB, /* opLDB */
+ oLDM, /* opLDM */
+ oSTH, /* opST -- integer store maps to 16-bit store */
+ oSTB, /* opSTB */
+ oSTM, /* opSTM */
+ oLDXH, /* opLDX -- integer load maps to 16-bit load */
+ oLDXB, /* opLDXB */
+ oLDXM, /* opLDXM */
+ oSTXH, /* opSTX -- integer store maps to 16-bit store */
+ oSTXB, /* opSTXB */
+ oSTXM, /* opSTXM */
+ oLA, /* opLA */
+ oLAC, /* opLAC */
+ oPUSH, /* opPUSH */
+ oINDS, /* opINDS */
+ oLAX, /* opLAX */
+ oLIB, /* opLIB */
+ oLABEL, /* opLABEL */
+ oPCAL, /* opPCAL */
+ oLDSH, /* opLDS -- integer store maps to 16-bit load */
+ oLDSH, /* opLDSH */
+ oLDSB, /* opLDSB */
+ oLDSM, /* opLDSM */
+ oSTSH, /* opSTS -- integer store maps to 16-bit store */
+ oSTSB, /* opSTSB */
+ oSTSM, /* opSTSM */
+ oLDSXH, /* opLDSX -- integer load maps to 16-bit load */
+ oLDSXB, /* opLDSXB */
+ oLDSXM, /* opLDSXM */
+ oSTSXH, /* opSTSX -- integer store maps to 16-bit store */
+ oSTSXB, /* opSTSXB */
+ oSTSXM, /* opSTSXM */
+ oLAS, /* opLAS */
+ oLASX, /* opLASX */
+ oSYSIO, /* opSYSIO */
+ oLINE, /* opLINE */
+};
+
+/***********************************************************************
+ * Private Function Prototypes
+ ***********************************************************************/
+
+/***********************************************************************
+ * Private Functions
+ ***********************************************************************/
+
+static void
+insn16_Generate(enum pcode_e opcode, uint16_t arg1, int32_t arg2);
+
+/***********************************************************************
+ * Private Functions
+ ***********************************************************************/
+
+/***********************************************************************/
+/* Disassemble an Op-code */
+
+#if CONFIG_DEBUG
+static inline void
+insn16_DisassemblePCode(uint8_t opcode, uint8_t arg1, uint16_t arg2)
+{
+ OPTYPE op;
+
+ op.op = opcode;
+ op.arg1 = arg1;
+ op.arg2 = arg2;
+
+ insn_DisassemblePCode(lstFile, &op);
+}
+#else
+# define insn16_DisassemblePCode(op,a1,a2)
+#endif
+
+/***********************************************************************/
+/* Generate an Op-Code */
+
+static void
+insn16_Generate(enum pcode_e opcode, uint16_t arg1, int32_t arg2)
+{
+ uint16_t insn_opcode = opmap[opcode];
+ uint16_t arg16;
+ TRACE(lstFile,"[insn16_Generate:0x%02x->0x%04x]", opcode, insn_opcode);
+
+ poffAddProgByte(poffHandle, insn_opcode);
+ if (insn_opcode & o8)
+ {
+ if (arg1 > 0xff) error(eINTOVF);
+ poffAddProgByte(poffHandle, (uint8_t)arg1);
+ } /* End if */
+
+ if (insn_opcode & o16)
+ {
+ if ((arg2 < -32768) || (arg2 > 65535)) error(eINTOVF);
+ arg16 = (uint16_t)arg2;
+ poffAddProgByte(poffHandle, (uint8_t)(arg16 >> 8));
+ poffAddProgByte(poffHandle, (uint8_t)(arg16 & 0xff));
+ } /* End if */
+
+ /* Now, add the disassembled PCode to the list file. */
+
+ insn16_DisassemblePCode(insn_opcode, arg1, arg2);
+
+} /* end insn16_Generate */
+
+/***********************************************************************
+ * Public Functions
+ ***********************************************************************/
+
+void
+insn_GenerateSimple(enum pcode_e opcode)
+{
+ insn16_Generate(opcode, 0, 0);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateDataOperation(enum pcode_e opcode, int32_t data)
+{
+ insn16_Generate(opcode, 0, data);
+}
+
+/***********************************************************************/
+/* Data size for a multiple register operation (in bytes) is simply
+ * represented by that value at the top of the stack.
+ */
+
+void insn_GenerateDataSize(uint32_t dwDataSize)
+{
+ insn16_Generate(opPUSH, 0, dwDataSize);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateFpOperation(uint8_t fpOpcode)
+{
+ insn16_Generate(opFLOAT, fpOpcode, 0);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateIoOperation(uint16_t ioOpcode, uint16_t fileNumber)
+{
+ insn16_Generate(opSYSIO, fileNumber, (int32_t)ioOpcode);
+}
+
+/***********************************************************************/
+
+void
+insn_BuiltInFunctionCall(uint16_t libOpcode)
+{
+ insn16_Generate(opLIB, 0, (int32_t)libOpcode);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateLevelReference(enum pcode_e opcode, uint16_t level, int32_t offset)
+{
+ insn16_Generate(opcode, level, offset);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateProcedureCall(uint16_t level, int32_t offset)
+{
+ insn16_Generate(opPCAL, level, offset);
+}
+
+/***********************************************************************/
+
+void
+insn_GenerateLineNumber(uint16_t includeNumber, uint32_t lineNumber)
+{
+ insn16_Generate(opLINE, includeNumber, lineNumber);
+}
+
+/***********************************************************************/
+
+void
+insn_SetStackLevel(uint32_t level)
+{
+ /* Do nothing */
+}