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Re: [PATCH] Save CS segment register for ljmp instruction

Could one of you write an assembly language testcase?


Hui Zhu wrote:
Could you post some code to test the ljmp and cs? I am not sure about cs part.

Thanks,
Hui

On Mon, Oct 12, 2009 at 10:24, Jiang Jilin <freephp@gmail.com> wrote:
Hi Hui,

I think CS register should be stored for ljmp instruction, but I'm
not pretty sure, please help me confirm it.

Thanks!

2009-10-12 Jiang Jilin <freephp@gmail.com>

       * i386-tdep.c (i386_process_record): Save CS segment register
       for ljmp instruction
---
 gdb/i386-tdep.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index b4dc646..0145008 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -3606,8 +3606,11 @@ reswitch:
         break;
         /* jmp */
       case 4:
+         I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+         break;
         /* ljmp */
       case 5:
+         I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_CS_REGNUM);
         I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
         break;
         /* push */
--
1.5.4.3



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