ARM thumb disassembly (Paul Brook)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1416 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/arm-dis.c b/arm-dis.c
index a84d91b..1e027ef 100644
--- a/arm-dis.c
+++ b/arm-dis.c
@@ -1556,6 +1556,11 @@
}
is_thumb = force_thumb;
+ if (pc & 1)
+ {
+ is_thumb = 1;
+ pc &= ~(bfd_vma) 1;
+ }
#if 0
if (!is_thumb && info->symbols != NULL)
diff --git a/disas.c b/disas.c
index 8754713..ded2c6d 100644
--- a/disas.c
+++ b/disas.c
@@ -108,8 +108,20 @@
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 @@
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)
