The attached patch implements disassembly of arm thumb instructions in the
debugging dumps.
Paul
Index: arm-dis.c
===================================================================
RCS file: /cvsroot/qemu/qemu/arm-dis.c,v
retrieving revision 1.2
diff -u -p -r1.2 arm-dis.c
--- arm-dis.c 9 Jul 2003 17:10:32 -0000 1.2
+++ arm-dis.c 26 Apr 2005 22:41:39 -0000
@@ -1556,6 +1556,11 @@ print_insn_arm (pc, info)
}
is_thumb = force_thumb;
+ if (pc & 1)
+ {
+ is_thumb = 1;
+ pc &= ~(bfd_vma) 1;
+ }
#if 0
if (!is_thumb && info->symbols != NULL)
Index: disas.c
===================================================================
RCS file: /cvsroot/qemu/qemu/disas.c,v
retrieving revision 1.21
diff -u -p -r1.21 disas.c
--- disas.c 23 Apr 2005 18:16:07 -0000 1.21
+++ disas.c 26 Apr 2005 22:41:39 -0000
@@ -108,8 +108,20 @@ bfd_vma bfd_getb32 (const bfd_byte *addr
return (bfd_vma) v;
}
-/* Disassemble this for me please... (debugging). 'flags' is only used
- for i386: non zero means 16 bit code */
+#ifdef TARGET_ARM
+static int
+print_insn_thumb1(bfd_vma pc, disassemble_info *info)
+{
+ return print_insn_arm(pc | 1, info);
+}
+#endif
+
+/* Disassemble this for me please... (debugging). 'flags' has teh following
+ values:
+ i386 - nonzero means 16 bit code
+ arm - nonzero means thumb code
+ other targets - unused
+ */
void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
{
target_ulong pc;
@@ -137,7 +149,10 @@ void target_disas(FILE *out, target_ulon
disasm_info.mach = bfd_mach_i386_i386;
print_insn = print_insn_i386;
#elif defined(TARGET_ARM)
- print_insn = print_insn_arm;
+ if (flags)
+ print_insn = print_insn_thumb1;
+ else
+ print_insn = print_insn_arm;
#elif defined(TARGET_SPARC)
print_insn = print_insn_sparc;
#elif defined(TARGET_PPC)
_______________________________________________
Qemu-devel mailing list
Qemu-devel@nongnu.org
http://lists.nongnu.org/mailman/listinfo/qemu-devel
