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[Patch]: arm disassembler: handle arm vs thumb for Mach-O
- From: Tristan Gingold <gingold at adacore dot com>
- To: Binutils <binutils at sourceware dot org>
- Date: Fri, 20 Nov 2015 17:46:00 +0100
- Subject: [Patch]: arm disassembler: handle arm vs thumb for Mach-O
- Authentication-results: sourceware.org; auth=none
Hi,
the arm disassembler has some format specific code to detect
the thumb mode. Add support for Mach-O.
The code was manually tested.
Ok for master ?
Tristan.
opcodes: handle mach-o for thumb/arm disambiguation.
opcodes/
* arm-dis.c (print_insn): Also set is_thumb for Mach-O.
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 3eb88d4..2eb7a04 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-20 Tristan Gingold <gingold@adacore.com>
+
+ * arm-dis.c (print_insn): Also set is_thumb for Mach-O.
+
2015-11-20 Nick Clifton <nickc@redhat.com>
PR binutils/19224
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c
index 430da08..cff4b3f 100644
--- a/opcodes/arm-dis.c
+++ b/opcodes/arm-dis.c
@@ -34,6 +34,7 @@
#include "elf-bfd.h"
#include "elf/internal.h"
#include "elf/arm.h"
+#include "mach-o.h"
/* FIXME: Belongs in global header. */
#ifndef strneq
@@ -6374,6 +6375,13 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little)
== ST_BRANCH_TO_THUMB)
|| type == STT_ARM_16BIT);
}
+ else if (bfd_asymbol_flavour (*info->symbols)
+ == bfd_target_mach_o_flavour)
+ {
+ bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)*info->symbols;
+
+ is_thumb = (asym->n_desc & BFD_MACH_O_N_ARM_THUMB_DEF);
+ }
}
if (force_thumb)