diff options
Diffstat (limited to 'opcodes/arc-ext.c')
| -rw-r--r-- | opcodes/arc-ext.c | 73 |
1 files changed, 37 insertions, 36 deletions
diff --git a/opcodes/arc-ext.c b/opcodes/arc-ext.c index 1a53da9..fd43d29 100644 --- a/opcodes/arc-ext.c +++ b/opcodes/arc-ext.c @@ -1,4 +1,4 @@ -/* ARC target-dependent stuff. Extension structure access functions +/* ARC target-dependent stuff. Extension structure access functions Copyright 1995, 1997, 2000, 2001 Free Software Foundation, Inc. This file is part of GDB. @@ -17,6 +17,7 @@ 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" @@ -29,9 +30,9 @@ static struct arcExtMap arc_extension_map; /* Get the name of an extension instruction. */ const char * -arcExtMap_instName(int opcode, int minor, int *flags) +arcExtMap_instName(int opcode, int minor, int *flags) { - if (opcode == 3) + if (opcode == 3) { /* FIXME: ??? need to also check 0/1/2 in bit0 for (3f) brk/sleep/swi */ if (minor < 0x09 || minor == 0x3f) @@ -53,7 +54,7 @@ arcExtMap_instName(int opcode, int minor, int *flags) /* Get the name of an extension core register. */ const char * -arcExtMap_coreRegName(int value) +arcExtMap_coreRegName(int value) { if (value < 32) return 0; @@ -63,7 +64,7 @@ arcExtMap_coreRegName(int value) /* Get the name of an extension condition code. */ const char * -arcExtMap_condCodeName(int value) +arcExtMap_condCodeName(int value) { if (value < 16) return 0; @@ -88,7 +89,7 @@ arcExtMap_auxRegName(long address) /* Recursively free auxilliary register strcture pointers until the list is empty. */ -static void +static void clean_aux_registers(struct ExtAuxRegister *r) { if (r -> next) @@ -98,14 +99,14 @@ clean_aux_registers(struct ExtAuxRegister *r) free(r -> next); r ->next = NULL; } - else + else free(r -> name); } - + /* Free memory that has been allocated for the extensions. */ -static void -cleanup_ext_map(void) +static void +cleanup_ext_map(void) { struct ExtAuxRegister *r; struct ExtInstruction *insn; @@ -113,45 +114,45 @@ cleanup_ext_map(void) /* clean aux reg structure */ r = arc_extension_map.auxRegisters; - if (r) + if (r) { (clean_aux_registers(r)); free(r); } - + /* clean instructions */ - for (i = 0; i < NUM_EXT_INST; i++) + 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++) + 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)); + + memset(&arc_extension_map, 0, sizeof(struct arcExtMap)); } -int -arcExtMap_add(void *base, unsigned long length) +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)) + while (p && p < (block + length)) { /* p[0] == length of record p[1] == type of record @@ -170,7 +171,7 @@ arcExtMap_add(void *base, unsigned long length) if (p[0] == 0) return -1; - + switch (p[1]) { case EXT_INSTRUCTION: @@ -178,9 +179,9 @@ arcExtMap_add(void *base, unsigned long length) char opcode = p[2]; char minor = p[3]; char * insn_name = (char *) xmalloc(( (int)*p-5) * sizeof(char)); - struct ExtInstruction * insn = + struct ExtInstruction * insn = (struct ExtInstruction *) xmalloc(sizeof(struct ExtInstruction)); - + if (opcode==3) opcode = 0x1f - 0x10 + minor - 0x09 + 1; else @@ -191,8 +192,8 @@ arcExtMap_add(void *base, unsigned long length) arc_extension_map.instructions[(int) opcode] = insn; } break; - - case EXT_CORE_REGISTER: + + case EXT_CORE_REGISTER: { char * core_name = (char *) xmalloc(((int)*p-3) * sizeof(char)); @@ -200,19 +201,19 @@ arcExtMap_add(void *base, unsigned long length) arc_extension_map.coreRegisters[p[2]-32] = core_name; } break; - - case EXT_COND_CODE: + + 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: + + case EXT_AUX_REGISTER: { /* trickier -- need to store linked list to these */ - struct ExtAuxRegister *newAuxRegister = + struct ExtAuxRegister *newAuxRegister = (struct ExtAuxRegister *)malloc(sizeof(struct ExtAuxRegister)); char * aux_name = (char *) xmalloc ( ((int)*p-6) * sizeof(char)); @@ -223,14 +224,14 @@ arcExtMap_add(void *base, unsigned long length) arc_extension_map.auxRegisters = newAuxRegister; } break; - + default: return -1; - + } p += p[0]; /* move to next record */ } - + return 0; } |