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[/] [scarts/] [trunk/] [toolchain/] [scarts-binutils/] [binutils-2.19.1/] [cgen/] [opc-asmdis.scm] - Rev 6
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; Assembler/disassembler support generator. ; Copyright (C) 2000, 2001, 2005, 2009 Red Hat, Inc. ; This file is part of CGEN. ; Assembler support. "Generating parse switch ...\n""\ const char * @arch@_cgen_parse_operand (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *); /* Main entry point for operand parsing. This function is basically just a big switch statement. Earlier versions used tables to look up the function to use, but - if the table contains both assembler and disassembler functions then the disassembler contains much of the assembler and vice-versa, - there's a lot of inlining possibilities as things grow, - using a switch statement avoids the function call overhead. This function could be moved into `parse_insn_normal', but keeping it separate makes clear the interface between `parse_insn_normal' and each of the handlers. */ const char * @arch@_cgen_parse_operand (CGEN_CPU_DESC cd, int opindex, const char ** strp, CGEN_FIELDS * fields) { const char * errmsg = NULL; /* Used by scalar operands that still need to be parsed. */ "" junk ATTRIBUTE_UNUSED; switch (opindex) { "" default : /* xgettext:c-format */ fprintf (stderr, _(\"Unrecognized field %d while parsing.\\n\"), opindex); abort (); } return errmsg; }\n\n"; Assembler initialization C code ; Code is appended during processing. ""; Return C code to define the assembler init function. ; This is called after opcode_open. "\ void @arch@_cgen_init_asm (CGEN_CPU_DESC cd) { @arch@_cgen_init_opcode_table (cd); @arch@_cgen_init_ibld_table (cd); cd->parse_handlers = & @arch@_cgen_parse_handlers[0]; cd->parse_operand = @arch@_cgen_parse_operand; #ifdef CGEN_ASM_INIT_HOOK CGEN_ASM_INIT_HOOK #endif ""}\n\n"; Generate C code that is inserted into the assembler source. "Generating ""-asm.in ...\n"; No need for copyright, appended to file with one. "\n""\n""parse"; Disassembler support. "Generating print switch ...\n""\ void @arch@_cgen_print_operand (CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *, void const *, bfd_vma, int); /* Main entry point for printing operands. XINFO is a `void *' and not a `disassemble_info *' to not put a requirement of dis-asm.h on cgen.h. This function is basically just a big switch statement. Earlier versions used tables to look up the function to use, but - if the table contains both assembler and disassembler functions then the disassembler contains much of the assembler and vice-versa, - there's a lot of inlining possibilities as things grow, - using a switch statement avoids the function call overhead. This function could be moved into `print_insn_normal', but keeping it separate makes clear the interface between `print_insn_normal' and each of the handlers. */ void @arch@_cgen_print_operand (CGEN_CPU_DESC cd, int opindex, void * xinfo, CGEN_FIELDS *fields, void const *attrs ATTRIBUTE_UNUSED, bfd_vma pc, int length) { disassemble_info *info = (disassemble_info *) xinfo; switch (opindex) { "" default : /* xgettext:c-format */ fprintf (stderr, _(\"Unrecognized field %d while printing insn.\\n\"), opindex); abort (); } }\n\n"; Disassembler initialization C code. ; Code is appended during processing. ""; Return C code to define the disassembler init function. " void @arch@_cgen_init_dis (CGEN_CPU_DESC cd) { @arch@_cgen_init_opcode_table (cd); @arch@_cgen_init_ibld_table (cd); cd->print_handlers = & @arch@_cgen_print_handlers[0]; cd->print_operand = @arch@_cgen_print_operand; ""}\n\n"; Generate C code that is inserted into the disassembler source. "Generating ""-dis.in ...\n"; No need for copyright, appended to file with one. "\n""\n""print"