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authorBen Elliston <bje@au.ibm.com>2001-06-24 01:04:16 +0000
committerBen Elliston <bje@au.ibm.com>2001-06-24 01:04:16 +0000
commit62d964d8392e918a84e57b97b89ba282a7f4e9e4 (patch)
tree6f19f34d6c26a67cca361b260e6af5e8b200e990 /opcodes
parent62b7d3f1f1b805c22545bc5cafcd014655daf476 (diff)
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2001-06-24 Ben Elliston <bje@redhat.com>
* m88k-dis.c: Format to conform to GNU coding standards.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog4
-rw-r--r--opcodes/m88k-dis.c145
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 <bje@redhat.com>
+
+ * m88k-dis.c: Format to conform to GNU coding standards.
+
2001-06-23 Andreas Jaeger <aj@suse.de>
* 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 <dis error> 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 <dis error> 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)