diff options
Diffstat (limited to 'include/opcode/cgen.h')
| -rw-r--r-- | include/opcode/cgen.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/opcode/cgen.h b/include/opcode/cgen.h index 84542a37c..0cff7c826 100644 --- a/include/opcode/cgen.h +++ b/include/opcode/cgen.h @@ -1,6 +1,6 @@ /* Header file for targets using CGEN: Cpu tools GENerator. -Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. +Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of GDB, the GNU debugger, and the GNU Binutils. @@ -1037,6 +1037,12 @@ extern int cgen_macro_insn_count PARAMS ((CGEN_CPU_DESC)); /* Return value of base part of INSN. */ #define CGEN_INSN_BASE_VALUE(insn) \ CGEN_OPCODE_BASE_VALUE (CGEN_INSN_OPCODE (insn)) + +/* Standard way to test whether INSN is supported by MACH. + MACH is one of enum mach_attr. + The "|1" is because the base mach is always selected. */ +#define CGEN_INSN_MACH_HAS_P(insn, mach) \ +((CGEN_INSN_ATTR_VALUE ((insn), CGEN_INSN_MACH) & ((1 << (mach)) | 1)) != 0) /* Macro instructions. Macro insns aren't real insns, they map to one or more real insns. @@ -1275,6 +1281,10 @@ typedef struct cgen_cpu_desc /* Disassembler instruction hash table. */ CGEN_INSN_LIST **dis_hash_table; CGEN_INSN_LIST *dis_hash_table_entries; + + /* This field could be turned into a bitfield if room for other flags is needed. */ + unsigned int signed_overflow_ok_p; + } CGEN_CPU_TABLE; /* wip */ @@ -1377,4 +1387,13 @@ extern void cgen_put_insn_value extern const char * cgen_read_cpu_file PARAMS ((CGEN_CPU_DESC, const char * filename_)); +/* Allow signed overflow of instruction fields. */ +extern void cgen_set_signed_overflow_ok PARAMS ((CGEN_CPU_DESC)); + +/* Generate an error message if a signed field in an instruction overflows. */ +extern void cgen_clear_signed_overflow_ok PARAMS ((CGEN_CPU_DESC)); + +/* Will an error message be generated if a signed field in an instruction overflows ? */ +extern unsigned int cgen_signed_overflow_ok_p PARAMS ((CGEN_CPU_DESC)); + #endif /* CGEN_H */ |