From b541d3afb3e9c4503c83fc2fd727540328b9ee36 Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 5 Jan 2008 16:12:11 +0000 Subject: P-code library git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@500 42af7a65-404d-4744-a932-0658087f49c3 --- misc/pascal/insn32/libinsn/Makefile | 76 ++++ misc/pascal/insn32/libinsn/paddopcode.c | 96 +++++ misc/pascal/insn32/libinsn/paddtmpopcode.c | 97 +++++ misc/pascal/insn32/libinsn/pdasm.c | 429 ++++++++++++++++++++++ misc/pascal/insn32/libinsn/pgen.c | 383 +++++++++++++++++++ misc/pascal/insn32/libinsn/pgetopcode.c | 126 +++++++ misc/pascal/insn32/libinsn/preloc.c | 147 ++++++++ misc/pascal/insn32/libinsn/presettmpopcodewrite.c | 97 +++++ 8 files changed, 1451 insertions(+) create mode 100644 misc/pascal/insn32/libinsn/Makefile create mode 100644 misc/pascal/insn32/libinsn/paddopcode.c create mode 100644 misc/pascal/insn32/libinsn/paddtmpopcode.c create mode 100644 misc/pascal/insn32/libinsn/pdasm.c create mode 100644 misc/pascal/insn32/libinsn/pgen.c create mode 100644 misc/pascal/insn32/libinsn/pgetopcode.c create mode 100644 misc/pascal/insn32/libinsn/preloc.c create mode 100644 misc/pascal/insn32/libinsn/presettmpopcodewrite.c (limited to 'misc') diff --git a/misc/pascal/insn32/libinsn/Makefile b/misc/pascal/insn32/libinsn/Makefile new file mode 100644 index 000000000..04ea4cee8 --- /dev/null +++ b/misc/pascal/insn32/libinsn/Makefile @@ -0,0 +1,76 @@ +############################################################################ +# insn32/libinsn/Makefile +# +# Copyright (C) 2008 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ +# +# Directories +# +LIBINSNDIR = ${shell pwd} +INSNDIR = $(LIBINSNDIR)/.. +PASCAL = $(LIBINSNDIR)/../.. + +include $(PASCAL)/Make.config +include $(PASCAL)/Make.defs + +INCDIR = $(PASCAL)/include +LIBDIR = $(PASCAL)/lib + +# +# Tools +# +EXTRA_INCLUDES = -I$(INSNDIR)/include +INCLUDES += $(EXTRA_INCLUDES) +CFLAGS += $(EXTRA_INCLUDES) + +# +# Objects and targets +# +LIBINSNSRCS = paddopcode.c paddtmpopcode.c pdasm.c pgen.c \ + pgetopcode.c preloc.c +LIBINSNOBJS = $(LIBINSNSRCS:.c=.o) + +OBJS = $(LIBINSNOBJS) + +all: libinsn.a +.PHONY: all libinsn.a clean + +$(OBJS): %.o: %.c + $(CC) -c $(CFLAGS) $< -o $@ + +$(LIBDIR)/libinsn.a: $(LIBINSNOBJS) + $(AR) $(ARFLAGS) $@ $^ + +libinsn.a: $(LIBDIR)/libinsn.a + +clean: + $(RM) libinsn.a *.o core *~ diff --git a/misc/pascal/insn32/libinsn/paddopcode.c b/misc/pascal/insn32/libinsn/paddopcode.c new file mode 100644 index 000000000..247c46e2c --- /dev/null +++ b/misc/pascal/insn32/libinsn/paddopcode.c @@ -0,0 +1,96 @@ +/********************************************************************** + * paddopcode + * P-Code access utilities + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 "keywords.h" +#include "podefs.h" +#include "pinsn32.h" + +#include "paslib.h" +#include "pofflib.h" +#include "pinsn.h" + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +/********************************************************************** + * Global Functions + **********************************************************************/ + +/**********************************************************************/ + +void insn_AddOpCode(poffHandle_t hProg, OPTYPE *ptr) +{ + /* Handle big-endian byte stream */ + + (void)poffAddProgByte(hProg, ptr->op); + + /* Write the 32-bit argument if present */ + + if (ptr->op & o32) + { + ubyte *pb = (ubyte*)&ptr->arg; + (void)poffAddProgByte(hProg, pb[opB1]); + (void)poffAddProgByte(hProg, pb[opB2]); + (void)poffAddProgByte(hProg, pb[opB3]); + (void)poffAddProgByte(hProg, pb[opB4]); + } +} + +/**********************************************************************/ + +void insn_ResetOpCodeWrite(poffHandle_t hProg) +{ + poffResetAccess(hProg); +} + +/***********************************************************************/ diff --git a/misc/pascal/insn32/libinsn/paddtmpopcode.c b/misc/pascal/insn32/libinsn/paddtmpopcode.c new file mode 100644 index 000000000..3b66521e0 --- /dev/null +++ b/misc/pascal/insn32/libinsn/paddtmpopcode.c @@ -0,0 +1,97 @@ +/********************************************************************** + * paddtmpopcode + * P-Code access utilities + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 "keywords.h" +#include "podefs.h" +#include "pinsn32.h" + +#include "paslib.h" +#include "pofflib.h" +#include "pinsn.h" + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +/********************************************************************** + * Global Functions + **********************************************************************/ + +/**********************************************************************/ + +void insn_AddTmpOpCode(poffProgHandle_t hProg, OPTYPE *ptr) +{ + /* Write the opcode which is always present */ + + (void)poffAddTmpProgByte(hProg, ptr->op); + + /* Write the 32-bit argument if present */ + + if (ptr->op & o32) + { + ubyte *pb = (ubyte*)&ptr->arg; + + (void)poffAddTmpProgByte(hProg, pb[opB1]); + (void)poffAddTmpProgByte(hProg, pb[opB2]); + (void)poffAddTmpProgByte(hProg, pb[opB3]); + (void)poffAddTmpProgByte(hProg, pb[opB4]); + } +} + +/**********************************************************************/ + +void insn_ResetTmpOpCodeWrite(poffProgHandle_t hProg) +{ + poffResetProgHandle(hProg); +} + +/***********************************************************************/ diff --git a/misc/pascal/insn32/libinsn/pdasm.c b/misc/pascal/insn32/libinsn/pdasm.c new file mode 100644 index 000000000..0db6db932 --- /dev/null +++ b/misc/pascal/insn32/libinsn/pdasm.c @@ -0,0 +1,429 @@ +/********************************************************************** + * pdasm.c + * P-Code Disassembler + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + **********************************************************************/ + +#include + +#include "keywords.h" +#include "podefs.h" +#include "pinsn32.h" +#include "pfdefs.h" +#include "pxdefs.h" +#include "paslib.h" + +#include "pinsn.h" + +/***********************************************************************/ + +/* These are all the format codes that apply to opcodes with an argument */ + +enum { + SIMPLE = 0, /* No argument */ + HEX, /* Hexadecimal argument */ + DECIMAL, /* Signed Decimal argument (w/shift) */ + UDECIMAL, /* Unsigned Decimal argument (w/shift) */ + LABEL_DEC, /* Label number */ + xOP, lbOP, fpOP, /* Sub opcode */ + FILENO, LINENO /* File number, line number */ +}; + +/* The following table defines everything that is needed to disassemble + * a P-Code. NOTE: The order of definition in this table must exactly + * match the declaration sequence in pinsn.h. */ + +static const char invOp[] = "Invalid Opcode"; +struct optab_s +{ + const char *opName; /* Opcode mnemonics */ + ubyte format; /* arg16 format */ +}; + +/******************** OPCODES WITH NO ARGUMENTS *************************/ + +static const struct optab_s g_sNoArgOpTable[64] = +{ + /* Program control (No stack arguments) */ + + /* 0x00 */ { "NOP ", SIMPLE }, + + /* Arithmetic & logical & and integer conversions (One stack argument) */ + + /* 0x01 */ { "NEG ", SIMPLE }, + /* 0x02 */ { "ABS ", SIMPLE }, + /* 0x03 */ { "INC ", SIMPLE }, + /* 0x04 */ { "DEC ", SIMPLE }, + /* 0x05 */ { "NOT ", SIMPLE }, + + /* Arithmetic & logical (Two stack arguments) */ + + /* 0x06 */ { "ADD ", SIMPLE }, + /* 0x07 */ { "SUB ", SIMPLE }, + /* 0x08 */ { "MUL ", SIMPLE }, + /* 0x09 */ { "DIV ", SIMPLE }, + /* 0x0a */ { "MOD ", SIMPLE }, + /* 0x0b */ { "SLL ", SIMPLE }, + /* 0x0c */ { "SRL ", SIMPLE }, + /* 0x0d */ { "SRA ", SIMPLE }, + /* 0x0e */ { "OR ", SIMPLE }, + /* 0x0f */ { "AND ", SIMPLE }, + + /* Comparisons (One stack argument) */ + + /* 0x10 */ { "EQUZ ", SIMPLE }, + /* 0x11 */ { "NEQZ ", SIMPLE }, + /* 0x12 */ { "LTZ ", SIMPLE }, + /* 0x13 */ { "GTEZ ", SIMPLE }, + /* 0x14 */ { "GTZ ", SIMPLE }, + /* 0x15 */ { "LTEZ ", SIMPLE }, + /* 0x16 */ { invOp, SIMPLE }, + /* 0x17 */ { invOp, SIMPLE }, + + /* Comparisons (Two stack arguments) */ + + /* 0x18 */ { "EQU ", SIMPLE }, + /* 0x19 */ { "NEQ ", SIMPLE }, + /* 0x1a */ { "LT ", SIMPLE }, + /* 0x1b */ { "GTE ", SIMPLE }, + /* 0x1c */ { "GT ", SIMPLE }, + /* 0x1d */ { "LTE ", SIMPLE }, + /* 0x1e */ { invOp, SIMPLE }, + /* 0x1f */ { "BIT ", SIMPLE }, + + /* Load (One) or Store (Two stack argument) */ + + /* 0x20 */ { "LDI ", SIMPLE }, + /* 0x21 */ { "LDIH", SIMPLE }, + /* 0x22 */ { "LDIB", SIMPLE }, + /* 0x23 */ { "LDIM", SIMPLE }, + /* 0x24 */ { "STI ", SIMPLE }, + /* 0x25 */ { "STIH", SIMPLE }, + /* 0x26 */ { "STIB", SIMPLE }, + /* 0x27 */ { "STIM", SIMPLE }, + + /* Data stack operations */ + + /* 0x28 */ { "DUP ", SIMPLE }, + /* 0x29 */ { "DUPH ", SIMPLE }, + /* 0x2a */ { "PUSHS", SIMPLE }, + /* 0x2b */ { "POPS", SIMPLE }, + /* 0x2c */ { invOp, SIMPLE }, + /* 0x2d */ { invOp, SIMPLE }, + /* 0x2e */ { invOp, SIMPLE }, + /* 0x2f */ { "RET ", SIMPLE }, + + /* 0x30 */ { invOp, SIMPLE }, + /* 0x31 */ { invOp, SIMPLE }, + /* 0x32 */ { invOp, SIMPLE }, + /* 0x33 */ { invOp, SIMPLE }, + /* 0x34 */ { invOp, SIMPLE }, + /* 0x35 */ { invOp, SIMPLE }, + /* 0x36 */ { invOp, SIMPLE }, + /* 0x37 */ { invOp, SIMPLE }, + + /* System Functions (No stack arguments) */ + + /* 0x38 */ { invOp, SIMPLE }, + /* 0x39 */ { invOp, SIMPLE }, + /* 0x3a */ { invOp, SIMPLE }, + /* 0x3b */ { invOp, SIMPLE }, + /* 0x3c */ { invOp, SIMPLE }, + /* 0x3d */ { invOp, SIMPLE }, + /* 0x3e */ { invOp, SIMPLE }, + /* 0x3f */ { "EXIT ", SIMPLE } +}; + +/****************** OPCODES WITH 25-BIT ARGUMENT ************************/ + +static const struct optab_s g_sArg32OpTable[64] = +{ + /* Load: arg = unsigned base offset */ + + /* 0x80 */ { "LD ", UDECIMAL }, /* No stack arguments */ + /* 0x81 */ { "LDH ", UDECIMAL }, /* No stack arguments */ + /* 0x82 */ { "LDB ", UDECIMAL }, /* No stack arguments */ + /* 0x83 */ { "LDM ", UDECIMAL }, /* One 32-bit stack argument */ + + /* Store: arg = unsigned base offset (One stack arguments) */ + + /* 0x84 */ { "ST ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x85 */ { "STH ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x86 */ { "STB ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x87 */ { "STM ", UDECIMAL }, /* One+n 32-bit stack argument */ + + /* Load Indexed: arg = unsigned base offset */ + + /* 0x88 */ { "LDX ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x89 */ { "LDXH ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x8a */ { "LDXB ", UDECIMAL }, /* One 32-bit stack argument */ + /* 0x8b */ { "LDXM ", UDECIMAL }, /* Two 32-bit stack argument */ + + /* Store Indexed: arg = unsigned base offset */ + + /* 0x8c */ { "STX ", UDECIMAL }, /* Two 32-bit stack argument */ + /* 0x8d */ { "STXH ", UDECIMAL }, /* Two 32-bit stack argument */ + /* 0x8e */ { "STXB ", UDECIMAL }, /* Two 32-bit stack argument */ + /* 0x8f */ { "STXM ", UDECIMAL }, /* Two+n 32-bit stack argument */ + + /* Program control: arg = unsigned label (One stack argument) */ + + /* 0x90 */ { "JEQUZ", HEX }, + /* 0x91 */ { "JNEQZ", HEX }, + /* 0x92 */ { "JLTZ ", HEX }, + /* 0x93 */ { "JGTEZ", HEX }, + /* 0x94 */ { "JGTZ ", HEX }, + /* 0x95 */ { "JLTEZ", HEX }, + + /* Program control: arg = unsigned label (no stack arguments) */ + + /* 0x96 */ { "JMP ", HEX }, + /* 0x97 */ { "PUSH ", DECIMAL }, + + /* Program control: arg = unsigned label (One stack argument) */ + + /* 0x98 */ { "JEQU ", HEX }, + /* 0x99 */ { "JNEQ ", HEX }, + /* 0x9a */ { "JLT ", HEX }, + /* 0x9b */ { "JGTE ", HEX }, + /* 0x9c */ { "JGT ", HEX }, + /* 0x9d */ { "JLTE ", HEX }, + /* 0x9e */ { invOp, SIMPLE }, + /* 0x9f */ { "INDS ", DECIMAL }, + + /* Load: Uses LSP; arg = signed frame offset */ + + /* 0xa0 */ { "LDS ", DECIMAL }, /* No stack arguments */ + /* 0xa1 */ { "LDSH ", DECIMAL }, /* No stack arguments */ + /* 0xa2 */ { "LDSB ", DECIMAL }, /* No stack arguments */ + /* 0xa3 */ { "LDSM ", DECIMAL }, /* One 32-bit stack argument */ + + /* Store: Uses LSP; arg = signed frame offset */ + + /* 0xa4 */ { "STS ", DECIMAL }, /* One 32-bit stack argument */ + /* 0xa5 */ { "STSH ", DECIMAL }, /* One 32-bit stack argument */ + /* 0xa6 */ { "STSB ", DECIMAL }, /* One 32-bit stack argument */ + /* 0xa7 */ { "STSM ", DECIMAL }, /* One+n 32-bit stack argument */ + + /* Load Indexed: Uses LSP; arg = signed frame offset */ + + /* 0xa8 */ { "LDSX ", DECIMAL }, /* One 32-bit stack argument */ + /* 0xa9 */ { "LDSXH", DECIMAL }, /* One 32-bit stack argument */ + /* 0xaa */ { "LDSXB", DECIMAL }, /* One 32-bit stack argument */ + /* 0xab */ { "LDSXM", DECIMAL }, /* Two 32-bit stack argument */ + + /* Store Indexed: Uses LSP; arg = signed frame offset */ + + /* 0xac */ { "STSX ", DECIMAL }, /* Two 32-bit stack argument */ + /* 0xad */ { "STSXH", DECIMAL }, /* Two 32-bit stack argument */ + /* 0xae */ { "STSXB", DECIMAL }, /* Two 32-bit stack argument */ + /* 0xaf */ { "STSXM", DECIMAL }, /* Two+n 32-bit stack argument */ + + /* Load address relative to stack base: arg = unsigned offset */ + + /* 0xb0 */ { "LA ", UDECIMAL }, + + /* Load address: Uses SLP, arg = signed frame offset */ + + /* 0xb1 */ { "LAS ", DECIMAL }, + + /* Load absolute stack address: arg = RODATA offset (No stack arguments) */ + + /* 0xb2 */ { "LAC ", HEX, }, + /* 0xb3 */ { invOp, SIMPLE }, + + /* Load address relative to stack base: arg = unsigned offset, TOS=index */ + + /* 0xb4 */ { "LAX ", UDECIMAL }, + + /* Load address indexed: Uses SLP, arg = signed frame offset */ + + /* 0xb5 */ { "LASX ", DECIMAL }, + + /* Set LSP: arg = new level that evaluates to LSP value */ + + /* 0xb6 */ { "SLSP ", UDECIMAL }, + /* 0xb7 */ { "SDC ", UDECIMAL }, + /* 0xb8 */ { invOp, SIMPLE }, + + /* Program Control: Uses LSP; arg = unsigned label (No stack arguments) */ + + /* 0xb9 */ { "PCAL ", HEX }, + + /* System calls: arg = file number | sub-function code */ + + /* 0xba */ { "SYSIO", xOP }, + + /* System functions: arg = 32-bit library call identifier */ + + /* 0xbb */ { "LIB ", lbOP }, + + /* Floating point operations: arg = FP op-code */ + + /* 0xbc */ { "FLOAT", fpOP }, + + /* Program control: arg = unsigned label (no stack arguments) */ + + /* 0xbd */ { NULL, LABEL_DEC }, + + /* Psuedo-operations: arg = file number OR line number */ + + /* 0xbe */ { "INCLUDE ", FILENO }, + /* 0xbf */ { "LINE ", LINENO }, +}; + +static const char invXOp[] = "Invalid SYSIO"; +static const char *xName[MAX_XOP] = { /* SYSIO opcode mnemonics */ +/* 0x00 */ invXOp, "EOF", "EOLN", "RESET", +/* 0x04 */ "REWRITE", invXOp, invXOp, invXOp, +/* 0x08 */ invXOp, invXOp, invXOp, invXOp, +/* 0x0c */ invXOp, invXOp, invXOp, invXOp, +/* 0x10 */ "READLN", "READPG", "READBIN", "READINT", +/* 0x14 */ "READCHR", "READSTR", "READRL", invXOp, +/* 0x18 */ invXOp, invXOp, invXOp, invXOp, +/* 0x1c */ invXOp, invXOp, invXOp, invXOp, +/* 0x20 */ "WRITELN", "WRITEPG", "WRITEBIN", "WRITEINT", +/* 0x24 */ "WRITECHR", "WRITESTR", "WRITERL" }; + +static const char invLbOp[] = "Invalid runtime code"; +static const char *lbName[MAX_LBOP] = { /* LIB opcode mnemonics */ +/* 0x00 */ "GETENV", "STR2STR", "CSTR2STR", "STR2RSTR", +/* 0x04 */ "CSTR2RSTR", "VAL", "MKSTK", "MKSTKSTR", +/* 0x08 */ "MKSTKC", "STRCAT", "STRCATC", "STRCMP" }; + +#define MAX_FOP 16 +static const char invFpOp[] = "Invalid FP Operation"; +static const char *fpName[MAX_FOP] = { +/* 0x00 */ invFpOp, "FLOAT", "TRUNC", "ROUND", +/* 0x04 */ "NEG", "ADD", "SUB", "MUL", +/* 0x08 */ "DIV", "MOD", "EQU", "NEQ", +/* 0x0c */ "LT", "GTE", "GT", "LTE" }; + +/***********************************************************************/ + +void insn_DisassemblePCode(FILE* lfile, OPTYPE *pop) +{ + const struct optab_s *opTable; + int idx; + + /* Select table based upon whether an opcode is included or not */ + + if (pop->op & o32) + { + opTable = g_sArg32OpTable; + idx = pop->op & ~o32; + } + else + { + opTable = g_sNoArgOpTable; + idx = pop->op; + } + + /* Indent, comment or label as appropriate */ + + switch (opTable[idx].format) + { + case LABEL_DEC : + fprintf(lfile, "L%08lx:\n", pop->arg); + return; + case FILENO : + case LINENO : + fprintf(lfile, "; "); + break; + default : + fprintf(lfile, " "); + } /* end switch */ + + /* Print the opcode mnemonic */ + + fprintf(lfile, "%s ", opTable[idx].opName); + + /* Print the argument (if present) */ + + if (pop->op & o32) + { + switch (opTable[idx].format) + { + case HEX : + fprintf(lfile, "0x%08lx", pop->arg); + break; + + case FILENO : + case LINENO : + case DECIMAL : + fprintf(lfile, "%ld", (sint32)pop->arg); + break; + + case UDECIMAL : + fprintf(lfile, "%1lu", pop->arg); + break; + + case fpOP : + if ((pop->arg & 0x3f) < MAX_FOP) + fprintf(lfile, "%s", fpName[(pop->arg & 0x3f)]); + else + fprintf(lfile, "%s", invFpOp); + break; + + case xOP : + { + unsigned fileno = pop->arg >> 16; + unsigned xop = pop->arg & 0xffff; + fprintf(lfile, "%d, ", fileno); + if (xop < MAX_XOP) + fprintf(lfile, "%s", xName[xop]); + else + fprintf(lfile, "%s", invXOp); + } + break; + + case lbOP : + if (pop->arg < MAX_LBOP) + fprintf(lfile, "%s", lbName[pop->arg]); + else + fprintf(lfile, "%s", invLbOp); + break; + + case LABEL_DEC : + default : + break; + } + } + + /* Don't forget the newline! */ + + fputc('\n', lfile); + +} /* end dissassemblePcode */ + +/***********************************************************************/ diff --git a/misc/pascal/insn32/libinsn/pgen.c b/misc/pascal/insn32/libinsn/pgen.c new file mode 100644 index 000000000..7283622aa --- /dev/null +++ b/misc/pascal/insn32/libinsn/pgen.c @@ -0,0 +1,383 @@ +/********************************************************************** + * pgen.c + * P-Code generation logic + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 +#include +#include + +#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 "pinsn32.h" /* 32-bit target INSN opcode definitions */ +#include "perr.h" /* Error handling logic */ + +#include "pinsn.h" /* (to verify prototypes in this file) */ + +/********************************************************************** + * Definitions + **********************************************************************/ + +#define INVALID_INCLUDE (-1) + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/* See pas.h */ +extern poffHandle_t poffHandle; /* Handle to POFF object */ +extern FILE *lstFile; /* LIST file pointer */ +extern sint16 level; /* Static nesting level */ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +static const ubyte 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 */ + oLDI, /* opLDI */ + oLDIB, /* opLDIB */ + oLDIM, /* opLDIM */ + oSTI, /* opSTI */ + oSTIB, /* opSTIB */ + oSTIM, /* opSTIM */ + oDUP, /* opDUP */ + 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 */ + oLD, /* opLD */ + oLDH, /* opLDH */ + oLDB, /* opLDB */ + oLDM, /* opLDM */ + oST, /* opST */ + oSTB, /* opSTB */ + oSTM, /* opSTM */ + oLDX, /* opLDX */ + oLDXB, /* opLDXB */ + oLDXM, /* opLDXM */ + oSTX, /* opSTX */ + oSTXB, /* opSTXB */ + oSTXM, /* opSTXM */ + oLA, /* opLA */ + oLAC, /* opLAC */ + oPUSH, /* opPUSH */ + oINDS, /* opINDS */ + oLAX, /* opLAX */ + oLIB, /* opLIB */ + oLABEL, /* opLABEL */ + oPCAL, /* opPCAL */ + oLDS, /* opLDS */ + oLDSH, /* opLDSH */ + oLDSB, /* opLDSB */ + oLDSM, /* opLDSM */ + oSTS, /* opSTS */ + oSTSB, /* opSTSB */ + oSTSM, /* opSTSM */ + oLDSX, /* opLDSX */ + oLDSXB, /* opLDSXB */ + oLDSXM, /* opLDSXM */ + oSTSX, /* opSTSX */ + oSTSXB, /* opSTSXB */ + oSTSXM, /* opSTSXM */ + oLAS, /* opLAS */ + oLASX, /* opLASX */ + oSYSIO, /* opSYSIO */ + oLINE, /* opLINE */ +}; + +static uint16 g_nCurrentIncludeNumber = INVALID_INCLUDE; + +/*********************************************************************** + * Private Function Prototypes + ***********************************************************************/ + +/*********************************************************************** + * Private Functions + ***********************************************************************/ + +static void +insn32_GenerateSimple(ubyte opcode); +static void +insn32_GenerateDataOperation(ubyte opcode, uint32 data); +static void +insn32_Generate(enum pcode_e opcode, uint32 arg); + +/*********************************************************************** + * Private Functions + ***********************************************************************/ + +/***********************************************************************/ +/* Disassemble an Op-code */ + +#if CONFIG_DEBUG +static inline void +insn32_DisassemblePCode(ubyte opcode, uint32 arg) +{ + OPTYPE op; + + op.op = opcode; + op.arg = arg; + + insn_DisassemblePCode(lstFile, &op); +} +#else +# define insn32_DisassemblePCode(op,a) +#endif + +/***********************************************************************/ +static inline void +insn32_DisassembleOpcode(ubyte opcode, uint32 data) +{ +#if CONFIG_DEBUG + OPTYPE op; + op.op = opcode; + op.arg = data; + insn32_DisassemblePCode(opcode, 0); +#endif +} + +/***********************************************************************/ +/* Generate an Op-Code */ + +static void +insn32_GenerateSimple(ubyte opcode) +{ + TRACE(lstFile,"[insn32_GenerateSimple:0x%02x]", opcode); + + /* Write the 8-bit opcode */ + + poffAddProgByte(poffHandle, opcode); + + /* Now, add the disassembled PCode to the list file. */ + + insn32_DisassembleOpcode(opcode, 0); +} + +/***********************************************************************/ + +static void +insn32_GenerateDataOperation(ubyte opcode, uint32 data) +{ + union + { + ubyte b[4]; + uint32 w; + } udata; + + TRACE(lstFile,"[insn32_GenerateDataOperation:0x%02x:0x%07x]", opcode, data); + + /* Write the 8-bit opcode */ + + poffAddProgByte(poffHandle, opcode); + + /* Write the 32-bit opcode */ + + udata.w = data; + (void)poffAddProgByte(poffHandle, udata.b[opB1]); + (void)poffAddProgByte(poffHandle, udata.b[opB2]); + (void)poffAddProgByte(poffHandle, udata.b[opB3]); + (void)poffAddProgByte(poffHandle, udata.b[opB4]); + + /* Now, add the disassembled PCode to the list file. */ + + insn32_DisassembleOpcode(opcode, data); +} + +/***********************************************************************/ + +static void +insn32_Generate(enum pcode_e opcode, uint32 arg) +{ + ubyte insn_opcode = opmap[opcode]; + + TRACE(lstFile,"[insn32_Generate:0x%02x->0x%02x]", opcode, insn_opcode); + + if (insn_opcode & o32) + { + insn32_GenerateDataOperation(insn_opcode, arg); + } + else + { + insn32_GenerateSimple(insn_opcode); + + /* We ignore the argument... what if one was provided? */ + + if (arg != 0) + { + warn(eARGIGNORED); + } + } +} + +/*********************************************************************** + * Public Functions + ***********************************************************************/ + +void +insn_GenerateSimple(enum pcode_e opcode) +{ + insn32_Generate(opcode, 0); +} + +/***********************************************************************/ + +void +insn_GenerateDataOperation(enum pcode_e opcode, sint32 data) +{ + insn32_Generate(opcode, (uint32)data); +} + +/***********************************************************************/ +/* Data size for the next multiple register operation (in bytes) is + * retained in the DC register. + */ + +void insn_GenerateDataSize(uint32 dwDataSize) +{ + insn32_GenerateDataOperation(oSDC, dwDataSize); +} + +/***********************************************************************/ + +void +insn_GenerateFpOperation(ubyte fpOpcode) +{ + insn32_GenerateDataOperation(oFLOAT, fpOpcode); +} + +/***********************************************************************/ + +void +insn_GenerateIoOperation(uint16 ioOpcode, uint16 fileNumber) +{ + uint32 arg = (uint32)fileNumber << 16 | (uint32)ioOpcode; + insn32_GenerateDataOperation(oSYSIO, arg); +} + +/***********************************************************************/ + +void +insn_BuiltInFunctionCall(uint16 libOpcode) +{ + insn32_GenerateDataOperation(oLIB, (uint32)libOpcode); +} + +/***********************************************************************/ + +void +insn_GenerateLevelReference(enum pcode_e opcode, uint16 level, sint32 offset) +{ + /* Note that level is ignored. We used the level set by the + * preceding call to insn_SetStackLevel(). + */ + + insn32_Generate(opcode, (uint32)offset); +} + +/***********************************************************************/ + +void +insn_GenerateProcedureCall(uint16 level, sint32 offset) +{ + insn32_GenerateDataOperation(oPCAL, (uint32)offset); +} + +/***********************************************************************/ + +void +insn_GenerateLineNumber(uint16 includeNumber, uint32 lineNumber) +{ + if (includeNumber != g_nCurrentIncludeNumber) + { + g_nCurrentIncludeNumber = includeNumber; + insn32_GenerateDataOperation(oINCLUDE, includeNumber); + } + insn32_GenerateDataOperation(oLINE, lineNumber); +} + +/***********************************************************************/ + +void +insn_SetStackLevel(uint32 level) +{ + insn32_GenerateDataOperation(oSLSP, level); +} diff --git a/misc/pascal/insn32/libinsn/pgetopcode.c b/misc/pascal/insn32/libinsn/pgetopcode.c new file mode 100644 index 000000000..7ccabb5a1 --- /dev/null +++ b/misc/pascal/insn32/libinsn/pgetopcode.c @@ -0,0 +1,126 @@ +/********************************************************************** + * pgetopcode.c + * P-Code access utilities + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 "keywords.h" +#include "podefs.h" +#include "pinsn32.h" + +#include "paslib.h" +#include "pofflib.h" +#include "pinsn.h" + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +static sint16 g_bEndIn = 0; /* 1 = oEND pcode or EOF received */ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +/********************************************************************** + * Global Functions + **********************************************************************/ + +/**********************************************************************/ + +uint32 insn_GetOpCode(poffHandle_t handle, OPTYPE *ptr) +{ + uint32 opsize = 1; + int c; + + TRACE(stderr, "[insn_GetOpCode]"); + + /* If we are not already at the EOF, read the next character from + * the input stream. + */ + + if (!g_bEndIn) + c = poffGetProgByte(handle); + else + c = EOF; + + /* Check for end of file. We may have previously parsed oEND which + * is a 'logical' end of file for a pascal program (but not a unit) + * or we may be at the physical end of the file wihout encountering + * oEND (typical for a UNIT file). + */ + + if ((g_bEndIn) || (c == EOF)) + { + ptr->op = oEND; + } + else + { + ptr->op = c; + g_bEndIn = (c == oEND); + + if (c & o32) + { + ubyte *pb = (ubyte*)&ptr->arg; + pb[opB1] = poffGetProgByte(handle); + pb[opB2] = poffGetProgByte(handle); + pb[opB3] = poffGetProgByte(handle); + pb[opB4] = poffGetProgByte(handle); + opsize += 4; + } + } + + return opsize; +} + +/**********************************************************************/ + +void insn_ResetOpCodeRead(poffHandle_t handle) +{ + poffResetAccess(handle); + g_bEndIn = 0; +} + +/***********************************************************************/ diff --git a/misc/pascal/insn32/libinsn/preloc.c b/misc/pascal/insn32/libinsn/preloc.c new file mode 100644 index 000000000..6d0b017a4 --- /dev/null +++ b/misc/pascal/insn32/libinsn/preloc.c @@ -0,0 +1,147 @@ +/********************************************************************** + * preloc.c + * Perform P-Code relocations + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 "keywords.h" +#include "pdefs.h" +#include "pedefs.h" +#include "podefs.h" +#include "pinsn32.h" + +#include "pofflib.h" +#include "perr.h" +#include "pinsn.h" + +/********************************************************************** + * Definitions + **********************************************************************/ + +/********************************************************************** + * Private Type Definitions + **********************************************************************/ + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +int insn_Relocate(OPTYPE *op, uint32 pcOffset, uint32 roOffset) +{ + switch (op->op) + { + /* Catch each instruction that references the read-only data + * section. + */ + + case oLAC: + /* Add the offset to the read-only data section */ + + op->arg += roOffset; + break; + + /* Catch each instruction that references the text section + * data via an offset. + */ + + case oPCAL: /* Procedure / Function calls */ + case oJMP: /* Unconditional jump */ + case oJEQUZ: /* Jump on unary comparisons with zero */ + case oJNEQZ: + case oJLTZ: + case oJGTEZ: + case oJGTZ: + case oJLTEZ: + case oJEQU: /* Jump on binary comparisons */ + case oJNEQ: + case oJLT: + case oJGTE: + case oJGT: + case oJLTE: + /* Add the offset to the text section */ + + op->arg += pcOffset; + break; + + /* Return an end of file indication if oEND encountered */ + + case oEND: + return 1; + + /* Otherwise, it is not an interesting opcode */ + default: + break; + } + + /* Return 0 on all opcodes other than oEND */ + + return 0; +} + +/***********************************************************************/ + +void insn_FixupProcedureCall(ubyte *progData, uint32 symValue) +{ + + /* Sanity checking */ + + if (progData[0] != oPCAL) + fatal(ePOFFCONFUSION); + + if (symValue > 0xffff) + fatal(eBADSHORTINT); + + /* Perform the relocation */ + + progData[2] = symValue >> 8; + progData[3] = symValue & 0xff; +} + + +/***********************************************************************/ diff --git a/misc/pascal/insn32/libinsn/presettmpopcodewrite.c b/misc/pascal/insn32/libinsn/presettmpopcodewrite.c new file mode 100644 index 000000000..3b66521e0 --- /dev/null +++ b/misc/pascal/insn32/libinsn/presettmpopcodewrite.c @@ -0,0 +1,97 @@ +/********************************************************************** + * paddtmpopcode + * P-Code access utilities + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 "keywords.h" +#include "podefs.h" +#include "pinsn32.h" + +#include "paslib.h" +#include "pofflib.h" +#include "pinsn.h" + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +/********************************************************************** + * Global Functions + **********************************************************************/ + +/**********************************************************************/ + +void insn_AddTmpOpCode(poffProgHandle_t hProg, OPTYPE *ptr) +{ + /* Write the opcode which is always present */ + + (void)poffAddTmpProgByte(hProg, ptr->op); + + /* Write the 32-bit argument if present */ + + if (ptr->op & o32) + { + ubyte *pb = (ubyte*)&ptr->arg; + + (void)poffAddTmpProgByte(hProg, pb[opB1]); + (void)poffAddTmpProgByte(hProg, pb[opB2]); + (void)poffAddTmpProgByte(hProg, pb[opB3]); + (void)poffAddTmpProgByte(hProg, pb[opB4]); + } +} + +/**********************************************************************/ + +void insn_ResetTmpOpCodeWrite(poffProgHandle_t hProg) +{ + poffResetProgHandle(hProg); +} + +/***********************************************************************/ -- cgit v1.2.3