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jlechner |
; General cpu info generator support.
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; Copyright (C) 2000, 2003, 2009 Red Hat, Inc.
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; This file is part of CGEN.
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;
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; This file generates C versions of the more salient parts of the description
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; file. It's currently part of opcodes or simulator support,
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; and doesn't exist as its own "application" (i.e. user of cgen),
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; though that's not precluded.
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; to record them in the syntax field as the mnemonic field also contains it.
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; Furthermore, the insn table can be hashed on complete mnemonic.
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; ??? Should live in <derived-arch-data> or some such.
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; Attribute support code.
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/* Attributes. */
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static const CGEN_ATTR_ENTRY bool_attr[] =
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{ \"#f\", 0 },
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{ \"#t\", 1 },
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{ 0, 0 }
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};
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"; Generate tables mapping names to values for all the non-boolean attrs.
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; Generate tables for each domain (ifld, insn, etc.) mapping attribute type
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; to index.
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"ifield""hardware""operand""insn"; HW-ASM is the base class for supporting hardware elements in the opcode table
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; (aka assembler/disassembler).
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; Return the C declaration.
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; It is up to a derived class to redefine this as necessary.
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""; Return the C definition.
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; It is up to a derived class to redefine this as necessary.
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"""0""""CGEN_ASM_NONE, 0, "; Prefix of global variables describing operand values.
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"@arch@_cgen_opval_"; Emit a C reference to a value operand.
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; Usually the operand's details are stored in a struct so in the default
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; case return that struct (?correct?). The caller must add the "&" if desired.
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; Keyword support.
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; Keyword operands.
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; Return the C declaration of a keyword list.
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"extern CGEN_KEYWORD "";\n"; Return the C definition of a keyword list.
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" { \""; operand name
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"\", "; value
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", {0, {{{0, 0}}}}, 0, 0"" },\n""\n};\n\n""CGEN_KEYWORD "" =\n{\n"" & ""_entries[0],\n"" "",\n"" 0, 0, 0, 0, \"\"\n""};\n\n"; Return a reference to a keyword table.
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"& ""CGEN_ASM_KEYWORD, (PTR) "", "; Return the C code to initialize a keyword.
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; If the `hash' attr is present, the values are hashed. Currently this is
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; FIXME: Currently unused. Should be done either in the open routine or
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; lazily upon lookup.
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" @arch@_cgen_asm_hash_keywords ("");\n"""; Operand support.
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; Return a reference to the operand's attributes.
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"& CGEN_OPERAND_ATTRS (CGEN_SYM (operand_table)) ""[""]"; Name of C variable that is a pointer to the fields struct.
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"fields"; Given FIELD, an `ifield' object, return an lvalue for the operand in
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"->"; Basic description init,finish,analyzer support.
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; Return a boolean indicating if all insns have a constant mnemonic
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; (ie: no $'s in insn's name in `syntax' field).
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; If constant, one can build the assembler hash table using the entire
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; mnemonic.
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; FIXME
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; Initialize any "desc" specific things before loading the .cpu file.
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; N.B. Since "desc" is always a part of another application, that
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; application's init! routine must call this one.
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; Finish any "desc" specific things after loading the .cpu file.
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; This is separate from analyze-data! as cpu-load performs some
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; N.B. Since "desc" is always a part of another application, that
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; application's finish! routine must call this one.
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; the various objects. This is the standard routine that is called after
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; a .cpu file is loaded.
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; application's analyze! routine must call this one.
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