x86_64 support for host_dasm

[libpicofe.git] / linux / host_dasm.c

diff --git a/linux/host_dasm.c b/linux/host_dasm.c
index cd2db69..66a83ea 100644 (file)
--- a/linux/host_dasm.c
+++ b/linux/host_dasm.c
@@ -1,3 +1,14 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2009-2010
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ *  - MAME license.
+ * See the COPYING file in the top-level directory.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -11,15 +22,23 @@ extern char **g_argv;
 
 static struct disassemble_info di;
 
-#ifdef ARM
+#ifdef __arm__
 #define print_insn_func print_insn_little_arm
 #define BFD_ARCH bfd_arch_arm
-#define BFD_MACH bfd_mach_arm_4T
-#else
+#define BFD_MACH bfd_mach_arm_unknown
+#define DASM_OPTS "reg-names-std"
+#elif defined(__x86_64__) || defined(__i386__)
 #define print_insn_func print_insn_i386_intel
 #define BFD_ARCH bfd_arch_i386
+#ifdef __x86_64__
+#define BFD_MACH bfd_mach_x86_64_intel_syntax
+#else
 #define BFD_MACH bfd_mach_i386_i386_intel_syntax
 #endif
+#define DASM_OPTS NULL
+#else
+#error "missing arch support"
+#endif
 
 /* symbols */
 static asymbol **symbols;
@@ -121,7 +140,7 @@ static int
 dis_asm_read_memory(bfd_vma memaddr, bfd_byte *myaddr, unsigned int len,
                      struct disassemble_info *info)
 {
-  memcpy(myaddr, (void *)(int)memaddr, len);
+  memcpy(myaddr, (void *)(long)memaddr, len);
   return 0;
 }
 
@@ -129,7 +148,7 @@ static void
 dis_asm_memory_error(int status, bfd_vma memaddr,
                       struct disassemble_info *info)
 {
-  fprintf(stderr, "memory_error %p\n", (void *)(int)memaddr);
+  fprintf(stderr, "memory_error %p\n", (void *)(long)memaddr);
 }
 
 static void
@@ -170,6 +189,7 @@ static void host_dasm_init(void)
   di.arch = BFD_ARCH;
   di.mach = BFD_MACH;
   di.endian = BFD_ENDIAN_LITTLE;
+  di.disassembler_options = DASM_OPTS;
   disassemble_init_for_target(&di);
   init_done = 1;
 }
@@ -188,7 +208,7 @@ void host_dasm(void *addr, int len)
     if (name != NULL)
       printf("%s:\n", name);
 
-    printf("      %p ", (void *)(long)vma);
+    printf("   %08lx ", (long)vma);
     vma += print_insn_func(vma, &di);
     printf("\n");
   }