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Diffstat (limited to 'contrib/binutils/opcodes/s390-mkopc.c')
| -rw-r--r-- | contrib/binutils/opcodes/s390-mkopc.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/contrib/binutils/opcodes/s390-mkopc.c b/contrib/binutils/opcodes/s390-mkopc.c deleted file mode 100644 index d79ff810f0e5..000000000000 --- a/contrib/binutils/opcodes/s390-mkopc.c +++ /dev/null @@ -1,190 +0,0 @@ -/* s390-mkopc.c -- Generates opcode table out of s390-opc.txt - Copyright 2000, 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - - This file is part of GDB, GAS, and the GNU binutils. - - 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 of the License, 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, Inc., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -/* ARCHBITS_ESA and ARCH_ESAME correspond to the bit numbers defined - by s390_opcode_arch_val in include/opcode/s390.h: - ARCHBITS_ESAONLY = (1<<S390_OPCODE_ESA) - ARCHBITS_ESA = (1<<S390_OPCODE_ESA) + (1<<S390_OPCODE_ESAME) - ARCHBITS_ESA = (1<<S390_OPCODE_ESAME). */ -#define ARCHBITS_ESAONLY 1 -#define ARCHBITS_ESA 3 -#define ARCHBITS_ESAME 2 - -struct op_struct - { - char opcode[16]; - char mnemonic[16]; - char format[16]; - int archbits; - unsigned long long sort_value; - int no_nibbles; - }; - -struct op_struct *op_array; -int max_ops; -int no_ops; - -static void -createTable (void) -{ - max_ops = 256; - op_array = malloc (max_ops * sizeof (struct op_struct)); - no_ops = 0; -} - -/* `insertOpcode': insert an op_struct into sorted opcode array. */ - -static void -insertOpcode (char *opcode, char *mnemonic, char *format, int archbits) -{ - char *str; - unsigned long long sort_value; - int no_nibbles; - int ix, k; - - while (no_ops >= max_ops) - { - max_ops = max_ops * 2; - op_array = realloc (op_array, max_ops * sizeof (struct op_struct)); - } - - sort_value = 0; - str = opcode; - for (ix = 0; ix < 16; ix++) - { - if (*str >= '0' && *str <= '9') - sort_value = (sort_value << 4) + (*str - '0'); - else if (*str >= 'a' && *str <= 'f') - sort_value = (sort_value << 4) + (*str - 'a' + 10); - else if (*str >= 'A' && *str <= 'F') - sort_value = (sort_value << 4) + (*str - 'A' + 10); - else if (*str == '?') - sort_value <<= 4; - else - break; - str ++; - } - sort_value <<= 4*(16 - ix); - no_nibbles = ix; - for (ix = 0; ix < no_ops; ix++) - if (sort_value > op_array[ix].sort_value) - break; - for (k = no_ops; k > ix; k--) - op_array[k] = op_array[k-1]; - strcpy(op_array[ix].opcode, opcode); - strcpy(op_array[ix].mnemonic, mnemonic); - strcpy(op_array[ix].format, format); - op_array[ix].sort_value = sort_value; - op_array[ix].no_nibbles = no_nibbles; - op_array[ix].archbits = archbits; - no_ops++; -} - -static char file_header[] = - "/* The opcode table. This file was generated by s390-mkopc.\n\n" - " The format of the opcode table is:\n\n" - " NAME OPCODE MASK OPERANDS\n\n" - " Name is the name of the instruction.\n" - " OPCODE is the instruction opcode.\n" - " MASK is the opcode mask; this is used to tell the disassembler\n" - " which bits in the actual opcode must match OPCODE.\n" - " OPERANDS is the list of operands.\n\n" - " The disassembler reads the table in order and prints the first\n" - " instruction which matches. */\n\n" - "const struct s390_opcode s390_opcodes[] =\n {\n"; - -/* `dumpTable': write opcode table. */ - -static void -dumpTable (void) -{ - char *str; - int ix; - - /* Write hash table entries (slots). */ - printf (file_header); - - for (ix = 0; ix < no_ops; ix++) - { - printf (" { \"%s\", ", op_array[ix].mnemonic); - for (str = op_array[ix].opcode; *str != 0; str++) - if (*str == '?') - *str = '0'; - printf ("OP%i(0x%sLL), ", - op_array[ix].no_nibbles*4, op_array[ix].opcode); - printf ("MASK_%s, INSTR_%s, ", - op_array[ix].format, op_array[ix].format); - printf ("%i}", op_array[ix].archbits); - if (ix < no_ops-1) - printf (",\n"); - else - printf ("\n"); - } - printf ("};\n\n"); - printf ("const int s390_num_opcodes =\n"); - printf (" sizeof (s390_opcodes) / sizeof (s390_opcodes[0]);\n\n"); -} - -int -main (void) -{ - char currentLine[256]; - - createTable (); - - /* Read opcode descriptions from `stdin'. For each mnemonic, - make an entry into the opcode table. */ - while (fgets (currentLine, sizeof (currentLine), stdin) != NULL) - { - char opcode[16]; - char mnemonic[16]; - char format[16]; - char description[64]; - char archtag[16]; - int archbits; - - if (currentLine[0] == '#') - continue; - memset (opcode, 0, 8); - if (sscanf (currentLine, "%15s %15s %15s \"%[^\"]\" %15s", - opcode, mnemonic, format, description, archtag) == 5) - { - if (strcmp (archtag, "esaonly") == 0) - archbits = ARCHBITS_ESAONLY; - else if (strcmp (archtag, "esa") == 0) - archbits = ARCHBITS_ESA; - else if (strcmp (archtag, "esame") == 0) - archbits = ARCHBITS_ESAME; - else - archbits = 0; - insertOpcode (opcode, mnemonic, format, archbits); - } - else - fprintf (stderr, "Couldn't scan line %s\n", currentLine); - } - - dumpTable (); - return 0; -} |