dist/opcodes/bpf-desc.c

1630 build_hw_table (CGEN_CPU_TABLE *cd)
1633   int machs = cd->machs;
1641   cd->hw_table.init_entries = init;
1642   cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
1649   cd->hw_table.entries = selected;
1650   cd->hw_table.num_entries = MAX_HW;
1656 build_ifield_table (CGEN_CPU_TABLE *cd)
1658   cd->ifld_table = & bpf_cgen_ifld_table[0];
1664 build_operand_table (CGEN_CPU_TABLE *cd)
1667   int machs = cd->machs;
1674   cd->operand_table.init_entries = init;
1675   cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
1682   cd->operand_table.entries = selected;
1683   cd->operand_table.num_entries = MAX_OPERANDS;
1695 build_insn_table (CGEN_CPU_TABLE *cd)
1704   cd->insn_table.init_entries = insns;
1705   cd->insn_table.entry_size = sizeof (CGEN_IBASE);
1706   cd->insn_table.num_init_entries = MAX_INSNS;
1712 bpf_cgen_rebuild_tables (CGEN_CPU_TABLE *cd)
1715   CGEN_BITSET *isas = cd->isas;
1716   unsigned int machs = cd->machs;
1718   cd->int_insn_p = CGEN_INT_INSN_P;
1722   cd->default_insn_bitsize = UNSET;
1723   cd->base_insn_bitsize = UNSET;
1724   cd->min_insn_bitsize = 65535; /* Some ridiculously big number.  */
1725   cd->max_insn_bitsize = 0;
1733 	if (cd->default_insn_bitsize == UNSET)
1734 	  cd->default_insn_bitsize = isa->default_insn_bitsize;
1735 	else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
1738 	  cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
1742 	if (cd->base_insn_bitsize == UNSET)
1743 	  cd->base_insn_bitsize = isa->base_insn_bitsize;
1744 	else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
1747 	  cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
1750 	if (isa->min_insn_bitsize < cd->min_insn_bitsize)
1751 	  cd->min_insn_bitsize = isa->min_insn_bitsize;
1752 	if (isa->max_insn_bitsize > cd->max_insn_bitsize)
1753 	  cd->max_insn_bitsize = isa->max_insn_bitsize;
1764 	  if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
1770 		 cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
1774  	  cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
1779   build_hw_table (cd);
1782   build_ifield_table (cd);
1785   build_operand_table (cd);
1788   build_insn_table (cd);
1810   CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
1824   memset (cd, 0, sizeof (*cd));
1879   cd->isas = cgen_bitset_copy (isas);
1880   cd->machs = machs;
1881   cd->endian = endian;
1882   cd->insn_endian
1886   cd->rebuild_tables = bpf_cgen_rebuild_tables;
1887   bpf_cgen_rebuild_tables (cd);
1890   cd->signed_overflow_ok_p = 0;
1892   return (CGEN_CPU_DESC) cd;
1912 bpf_cgen_cpu_close (CGEN_CPU_DESC cd)
1917   if (cd->macro_insn_table.init_entries)
1919       insns = cd->macro_insn_table.init_entries;
1920       for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
1925   if (cd->insn_table.init_entries)
1927       insns = cd->insn_table.init_entries;
1928       for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
1933   free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
1934   free ((CGEN_INSN *) cd->insn_table.init_entries);
1935   free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
1936   free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
1937   free (cd);