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Diffstat (limited to 'contrib/binutils/opcodes/arc-ext.c')
-rw-r--r-- | contrib/binutils/opcodes/arc-ext.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/contrib/binutils/opcodes/arc-ext.c b/contrib/binutils/opcodes/arc-ext.c deleted file mode 100644 index fd43d29ab3fd..000000000000 --- a/contrib/binutils/opcodes/arc-ext.c +++ /dev/null @@ -1,260 +0,0 @@ -/* ARC target-dependent stuff. Extension structure access functions - Copyright 1995, 1997, 2000, 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 (const char *) 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 (const char *) 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, (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, (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, (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, (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 = p->_raw_size; - 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); - } -} |