From 62d964d8392e918a84e57b97b89ba282a7f4e9e4 Mon Sep 17 00:00:00 2001 From: Ben Elliston Date: Sun, 24 Jun 2001 01:04:16 +0000 Subject: 2001-06-24 Ben Elliston * m88k-dis.c: Format to conform to GNU coding standards. --- opcodes/ChangeLog | 4 ++ opcodes/m88k-dis.c | 145 ++++++++++++++++++++--------------------------------- 2 files changed, 58 insertions(+), 91 deletions(-) diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 8c0351d..e449b79 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2001-06-24 Ben Elliston + + * m88k-dis.c: Format to conform to GNU coding standards. + 2001-06-23 Andreas Jaeger * disassemble.c (disassembler_usage): Add unused attribute. diff --git a/opcodes/m88k-dis.c b/opcodes/m88k-dis.c index f0336c7..cd549d6 100644 --- a/opcodes/m88k-dis.c +++ b/opcodes/m88k-dis.c @@ -1,5 +1,5 @@ /* Print instructions for the Motorola 88000, for GDB and GNU Binutils. - Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1998, 2000 + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1998, 2000, 2001 Free Software Foundation, Inc. Contributed by Data General Corporation, November 1989. Partially derived from an earlier printcmd.c. @@ -31,28 +31,16 @@ static int m88kdis PARAMS ((bfd_vma, unsigned long, struct disassemble_info *)); static void -printop PARAMS ((struct disassemble_info *, OPSPEC *, - unsigned long, bfd_vma, int)); +printop PARAMS ((struct disassemble_info *, OPSPEC *, unsigned long, bfd_vma, int)); static void init_disasm PARAMS ((void)); static void install PARAMS ((INSTAB *instptr)); + -/* -* Disassemble an M88000 Instruction -* -* -* This module decodes the instruction at memaddr. -* -* Revision History -* -* Revision 1.0 11/08/85 Creation date by Motorola -* 05/11/89 R. Trawick adapted to GDB interface. -* 07/12/93 Ian Lance Taylor updated to -* binutils interface. -*/ +/* Disassemble an M88000 instruction at `memaddr'. */ int print_insn_m88k (memaddr, info) @@ -62,7 +50,7 @@ print_insn_m88k (memaddr, info) bfd_byte buffer[4]; int status; - /* Instruction addresses may have low two bits set. Clear them. */ + /* Instruction addresses may have low two bits set. Clear them. */ memaddr &=~ (bfd_vma) 3; status = (*info->read_memory_func) (memaddr, buffer, 4, info); @@ -76,10 +64,11 @@ print_insn_m88k (memaddr, info) } /* - * disassemble the instruction in 'instruction'. - * 'pc' should be the address of this instruction, it will - * be used to print the target address if this is a relative jump or call - * the disassembled instruction is written to 'info'. + * Disassemble the instruction in `instruction'. + * `pc' should be the address of this instruction, it will be used to + * print the target address if this is a relative jump or call the + * disassembled instruction is written to `info'. + * * The function returns the length of this instruction in bytes. */ @@ -98,7 +87,7 @@ m88kdis (pc, instruction, info) if (! ihashtab_initialized) init_disasm (); - /* create the appropriate mask to isolate the opcode */ + /* Create the appropriate mask to isolate the opcode. */ opmask = DEFMASK; class = instruction & DEFMASK; if ((class >= SFU0) && (class <= SFU7)) @@ -113,10 +102,10 @@ m88kdis (pc, instruction, info) else if (class == RRI10) opmask = RRI10MASK; - /* isolate the opcode */ + /* Isolate the opcode. */ opcode = instruction & opmask; - /* search the hash table with the isolated opcode */ + /* Search the hash table with the isolated opcode. */ for (entry_ptr = hashtable[opcode % HASHVAL]; (entry_ptr != NULL) && (entry_ptr->opcode != opcode); entry_ptr = entry_ptr->next) @@ -136,35 +125,27 @@ m88kdis (pc, instruction, info) } /* -* Decode an Operand of an Instruction -* -* Functional Description -* -* This module formats and writes an operand of an instruction to info -* based on the operand specification. When the first flag is set this -* is the first operand of an instruction. Undefined operand types -* cause a message. -* -* Parameters -* disassemble_info where the operand may be printed -* OPSPEC *opptr Pointer to an operand specification -* UINT inst Instruction from which operand is extracted -* UINT pc PC of instruction; used for pc-relative disp. -* int first Flag which if nonzero indicates the first -* operand of an instruction -* -* Output -* -* The operand specified is extracted from the instruction and is -* written to buf in the format specified. The operand is preceded -* by a comma if it is not the first operand of an instruction and it -* is not a register indirect form. Registers are preceded by 'r' and -* hex values by '0x'. -* -* Revision History -* -* Revision 1.0 11/08/85 Creation date -*/ + * Decode an Operand of an instruction. + * + * This function formats and writes an operand of an instruction to + * info based on the operand specification. When the `first' flag is + * set this is the first operand of an instruction. Undefined operand + * types cause a message. + * + * Parameters: + * disassemble_info where the operand may be printed + * OPSPEC *opptr pointer to an operand specification + * UINT inst instruction from which operand is extracted + * UINT pc pc of instruction; used for pc-relative disp. + * int first flag which if nonzero indicates the first + * operand of an instruction + * + * The operand specified is extracted from the instruction and is + * written to buf in the format specified. The operand is preceded by + * a comma if it is not the first operand of an instruction and it is + * not a register indirect form. Registers are preceded by 'r' and + * hex values by '0x'. + */ static void printop (info, opptr, inst, pc, first) @@ -250,7 +231,7 @@ printop (info, opptr, inst, pc, first) else (*info->fprintf_func) (info->stream, "%x", extracted_field); break; - + case PCREL: (*info->print_address_func) (pc + (4 * (SEXT (inst, opptr->offset, opptr->width))), @@ -265,8 +246,8 @@ printop (info, opptr, inst, pc, first) case BF: (*info->fprintf_func) (info->stream, "%d<%d>", - UEXT (inst, (opptr->offset) + 5, 5), - UEXT (inst, opptr->offset, 5)); + UEXT (inst, (opptr->offset) + 5, 5), + UEXT (inst, opptr->offset, 5)); break; default: @@ -276,48 +257,30 @@ printop (info, opptr, inst, pc, first) } /* -* Initialize the Disassembler Instruction Table -* -* Initialize the hash table and instruction table for the disassembler. -* This should be called once before the first call to disasm(). -* -* Parameters -* -* Output -* -* If the debug option is selected, certain statistics about the hashing -* distribution are written to stdout. -* -* Revision History -* -* Revision 1.0 11/08/85 Creation date -*/ + * Initialize the disassembler instruction table. + * + * Initialize the hash table and instruction table for the + * disassembler. This should be called once before the first call to + * disasm(). + */ static void init_disasm () { - int i, size; - - for (i = 0; i < HASHVAL; i++) - hashtable[i] = NULL; - - size = sizeof (instructions) / sizeof (INSTAB); - for (i = 0; i < size; i++) - install (&instructions[i]); + int i, size; + + for (i = 0; i < HASHVAL; i++) + hashtable[i] = NULL; + + size = sizeof (instructions) / sizeof (INSTAB); + for (i = 0; i < size; i++) + install (&instructions[i]); } /* -* Insert an instruction into the disassembler table by hashing the -* opcode and inserting it into the linked list for that hash value. -* -* Parameters -* -* INSTAB *instptr Pointer to the entry in the instruction table -* to be installed -* -* Revision 1.0 11/08/85 Creation date -* 05/11/89 R. TRAWICK ADAPTED FROM MOTOROLA -*/ + * Insert an instruction into the disassembler table by hashing the + * opcode and inserting it into the linked list for that hash value. + */ static void install (instptr) -- cgit v1.1