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* ppc.h (PPC_OPERAND_NEXT): Define.

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(PPC_OPERAND_NEGATIVE): Change value to make room for above.
	(struct powerpc_macro): Define.
	(powerpc_macros, powerpc_num_macros): Declare.
This commit is contained in:
Ian Lance Taylor
1994-02-05 04:38:05 +00:00
parent 6a5439a91f
commit 3f0c3fdc12
2 changed files with 42 additions and 1 deletions
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7
include/opcode/ChangeLog
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@ -1,3 +1,10 @@
Fri Feb 4 23:36:52 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* ppc.h (PPC_OPERAND_NEXT): Define.
(PPC_OPERAND_NEGATIVE): Change value to make room for above.
(struct powerpc_macro): Define.
(powerpc_macros, powerpc_num_macros): Declare.
Fri Jan 21 19:13:50 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) Fri Jan 21 19:13:50 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* ppc.h: New file. Header file for PowerPC opcode table. * ppc.h: New file. Header file for PowerPC opcode table.

36
include/opcode/ppc.h
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@ -186,11 +186,45 @@ extern const struct powerpc_operand powerpc_operands[];
print this operand out only if it is not zero. */ print this operand out only if it is not zero. */
#define PPC_OPERAND_OPTIONAL (0400) #define PPC_OPERAND_OPTIONAL (0400)
/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
is omitted, then for the next operand use this operand value plus
1, ignoring the next operand field for the opcode. This wretched
hack is needed because the Power rotate instructions can take
either 4 or 5 operands. The disassembler should print this operand
out regardless of the PPC_OPERAND_OPTIONAL field. */
#define PPC_OPERAND_NEXT (01000)
/* This operand should be regarded as a negative number for the /* This operand should be regarded as a negative number for the
purposes of overflow checking (i.e., the normal most negative purposes of overflow checking (i.e., the normal most negative
number is disallowed and one more than the normal most positive number is disallowed and one more than the normal most positive
number is allowed). This flag will only be set for a signed number is allowed). This flag will only be set for a signed
operand. */ operand. */
#define PPC_OPERAND_NEGATIVE (01000) #define PPC_OPERAND_NEGATIVE (02000)
/* The POWER and PowerPC assemblers use a few macros. We keep them
with the operands table for simplicity. The macro table is an
array of struct powerpc_macro. */
struct powerpc_macro
{
/* The macro name. */
const char *name;
/* The number of operands the macro takes. */
unsigned int operands;
/* One bit flags for the opcode. These are used to indicate which
specific processors support the instructions. The values are the
same as those for the struct powerpc_opcode flags field. */
unsigned long flags;
/* A format string to turn the macro into a normal instruction.
Each %N in the string is replaced with operand number N (zero
based). */
const char *format;
};
extern const struct powerpc_macro powerpc_macros[];
extern const int powerpc_num_macros;
#endif /* PPC_H */ #endif /* PPC_H */