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-rw-r--r--opcodes/arc-ext.c261
1 files changed, 0 insertions, 261 deletions
diff --git a/opcodes/arc-ext.c b/opcodes/arc-ext.c
deleted file mode 100644
index 07419bf..0000000
--- a/opcodes/arc-ext.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/* ARC target-dependent stuff. Extension structure access functions
- Copyright 1995, 1997, 2000, 2001, 2004, 2005
- Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include "bfd.h"
-#include "arc-ext.h"
-#include "libiberty.h"
-
-/* Extension structure */
-static struct arcExtMap arc_extension_map;
-
-/* Get the name of an extension instruction. */
-
-const char *
-arcExtMap_instName(int opcode, int minor, int *flags)
-{
- if (opcode == 3)
- {
- /* FIXME: ??? need to also check 0/1/2 in bit0 for (3f) brk/sleep/swi */
- if (minor < 0x09 || minor == 0x3f)
- return 0;
- else
- opcode = 0x1f - 0x10 + minor - 0x09 + 1;
- }
- else
- if (opcode < 0x10)
- return 0;
- else
- opcode -= 0x10;
- if (!arc_extension_map.instructions[opcode])
- return 0;
- *flags = arc_extension_map.instructions[opcode]->flags;
- return arc_extension_map.instructions[opcode]->name;
-}
-
-/* Get the name of an extension core register. */
-
-const char *
-arcExtMap_coreRegName(int value)
-{
- if (value < 32)
- return 0;
- return arc_extension_map.coreRegisters[value-32];
-}
-
-/* Get the name of an extension condition code. */
-
-const char *
-arcExtMap_condCodeName(int value)
-{
- if (value < 16)
- return 0;
- return arc_extension_map.condCodes[value-16];
-}
-
-/* Get the name of an extension aux register. */
-
-const char *
-arcExtMap_auxRegName(long address)
-{
- /* walk the list of aux reg names and find the name */
- struct ExtAuxRegister *r;
-
- for (r = arc_extension_map.auxRegisters; r; r = r->next) {
- if (r->address == address)
- return (const char *) r->name;
- }
- return 0;
-}
-
-/* Recursively free auxilliary register strcture pointers until
- the list is empty. */
-
-static void
-clean_aux_registers(struct ExtAuxRegister *r)
-{
- if (r -> next)
- {
- clean_aux_registers( r->next);
- free(r -> name);
- free(r -> next);
- r ->next = NULL;
- }
- else
- free(r -> name);
-}
-
-/* Free memory that has been allocated for the extensions. */
-
-static void
-cleanup_ext_map(void)
-{
- struct ExtAuxRegister *r;
- struct ExtInstruction *insn;
- int i;
-
- /* clean aux reg structure */
- r = arc_extension_map.auxRegisters;
- if (r)
- {
- (clean_aux_registers(r));
- free(r);
- }
-
- /* clean instructions */
- for (i = 0; i < NUM_EXT_INST; i++)
- {
- insn = arc_extension_map.instructions[i];
- if (insn)
- free(insn->name);
- }
-
- /* clean core reg struct */
- for (i = 0; i < NUM_EXT_CORE; i++)
- {
- if (arc_extension_map.coreRegisters[i])
- free(arc_extension_map.coreRegisters[i]);
- }
-
- for (i = 0; i < NUM_EXT_COND; i++) {
- if (arc_extension_map.condCodes[i])
- free(arc_extension_map.condCodes[i]);
- }
-
- memset(&arc_extension_map, 0, sizeof(struct arcExtMap));
-}
-
-int
-arcExtMap_add(void *base, unsigned long length)
-{
- unsigned char *block = base;
- unsigned char *p = block;
-
- /* Clean up and reset everything if needed. */
- cleanup_ext_map();
-
- while (p && p < (block + length))
- {
- /* p[0] == length of record
- p[1] == type of record
- For instructions:
- p[2] = opcode
- p[3] = minor opcode (if opcode == 3)
- p[4] = flags
- p[5]+ = name
- For core regs and condition codes:
- p[2] = value
- p[3]+ = name
- For aux regs:
- p[2..5] = value
- p[6]+ = name
- (value is p[2]<<24|p[3]<<16|p[4]<<8|p[5]) */
-
- if (p[0] == 0)
- return -1;
-
- switch (p[1])
- {
- case EXT_INSTRUCTION:
- {
- char opcode = p[2];
- char minor = p[3];
- char * insn_name = (char *) xmalloc(( (int)*p-5) * sizeof(char));
- struct ExtInstruction * insn =
- (struct ExtInstruction *) xmalloc(sizeof(struct ExtInstruction));
-
- if (opcode==3)
- opcode = 0x1f - 0x10 + minor - 0x09 + 1;
- else
- opcode -= 0x10;
- insn -> flags = (char) *(p+4);
- strcpy (insn_name, (char *) (p+5));
- insn -> name = insn_name;
- arc_extension_map.instructions[(int) opcode] = insn;
- }
- break;
-
- case EXT_CORE_REGISTER:
- {
- char * core_name = (char *) xmalloc(((int)*p-3) * sizeof(char));
-
- strcpy(core_name, (char *) (p+3));
- arc_extension_map.coreRegisters[p[2]-32] = core_name;
- }
- break;
-
- case EXT_COND_CODE:
- {
- char * cc_name = (char *) xmalloc( ((int)*p-3) * sizeof(char));
- strcpy(cc_name, (char *) (p+3));
- arc_extension_map.condCodes[p[2]-16] = cc_name;
- }
- break;
-
- case EXT_AUX_REGISTER:
- {
- /* trickier -- need to store linked list to these */
- struct ExtAuxRegister *newAuxRegister =
- (struct ExtAuxRegister *)malloc(sizeof(struct ExtAuxRegister));
- char * aux_name = (char *) xmalloc ( ((int)*p-6) * sizeof(char));
-
- strcpy (aux_name, (char *) (p+6));
- newAuxRegister->name = aux_name;
- newAuxRegister->address = p[2]<<24 | p[3]<<16 | p[4]<<8 | p[5];
- newAuxRegister->next = arc_extension_map.auxRegisters;
- arc_extension_map.auxRegisters = newAuxRegister;
- }
- break;
-
- default:
- return -1;
-
- }
- p += p[0]; /* move to next record */
- }
-
- return 0;
-}
-
-/* Load hw extension descibed in .extArcMap ELF section. */
-
-void
-build_ARC_extmap (text_bfd)
- bfd *text_bfd;
-{
- char *arcExtMap;
- bfd_size_type count;
- asection *p;
-
- for (p = text_bfd->sections; p != NULL; p = p->next)
- if (!strcmp (p->name, ".arcextmap"))
- {
- count = bfd_get_section_size (p);
- arcExtMap = (char *) xmalloc (count);
- if (bfd_get_section_contents (text_bfd, p, (PTR) arcExtMap, 0, count))
- {
- arcExtMap_add ((PTR) arcExtMap, count);
- break;
- }
- free ((PTR) arcExtMap);
- }
-}
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