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authorH.J. Lu <hjl.tools@gmail.com>2016-02-15 15:58:42 -0800
committerH.J. Lu <hjl.tools@gmail.com>2016-02-15 16:04:54 -0800
commit6b72c95a77f477c0048fddc8f1f602667632cab2 (patch)
treea12c94803a1d977f1b547d0741f0ad9e7602f05d
parent426348473466253b929fa05fd2cf43822f0600c0 (diff)
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Add parentheses to prevent truncated addresses
Backport from master * i386-dis.c (print_insn): Parenthesize expression to prevent truncated addresses. (OP_J): Likewise.
-rw-r--r--opcodes/ChangeLog9
-rw-r--r--opcodes/i386-dis.c4
2 files changed, 11 insertions, 2 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index e485a36..7e20a8f 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,12 @@
+2016-02-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ Backport from master
+ 2016-02-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ * i386-dis.c (print_insn): Parenthesize expression to prevent
+ truncated addresses.
+ (OP_J): Likewise.
+
2016-01-25 Tristan Gingold <gingold@adacore.com>
* configure: Regenerate.
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 1b4c51a..3712b59 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -13644,7 +13644,7 @@ print_insn (bfd_vma pc, disassemble_info *info)
if (op_index[i] != -1 && op_riprel[i])
{
(*info->fprintf_func) (info->stream, " # ");
- (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep
+ (*info->print_address_func) ((bfd_vma) (start_pc + (codep - start_codep)
+ op_address[op_index[i]]), info);
break;
}
@@ -16158,7 +16158,7 @@ OP_J (int bytemode, int sizeflag)
the displacement is added! */
mask = 0xffff;
if ((prefixes & PREFIX_DATA) == 0)
- segment = ((start_pc + codep - start_codep)
+ segment = ((start_pc + (codep - start_codep))
& ~((bfd_vma) 0xffff));
}
if (address_mode != mode_64bit