FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Skip 67h address size prefix unconditionally

Browse source 
PR libjava/53973
	* include/x86_64-signal.h (CHECK_67H_PREFIX): Removed.
	(HANDLE_DIVIDE_OVERFLOW): Skip 67h address size prefix
	unconditionally.

From-SVN: r189623
This commit is contained in:
H.J. Lu 2012-07-18 18:09:49 +00:00 • committed by H.J. Lu
parent e4f9276749
commit 1692603266
2 changed files with 9 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
libjava/ChangeLog
View file

@ -1,3 +1,10 @@
2012-07-18 H.J. Lu <hongjiu.lu@intel.com>
PR libjava/53973
* include/x86_64-signal.h (CHECK_67H_PREFIX): Removed.
(HANDLE_DIVIDE_OVERFLOW): Skip 67h address size prefix
unconditionally.
2012-07-18 H.J. Lu <hongjiu.lu@intel.com>
PR libjava/53973

10
libjava/include/x86_64-signal.h
View file

@ -21,12 +21,6 @@ details. */
#define HANDLE_SEGV 1
#define HANDLE_FPE 1
#ifdef __ILP32__
# define CHECK_67H_PREFIX 1
#else
# define CHECK_67H_PREFIX 0
#endif
#define SIGNAL_HANDLER(_name) \
static void _Jv_##_name (int, siginfo_t *, \
void *_p __attribute__ ((__unused__)))
@ -53,8 +47,8 @@ do \
\
bool _is_64_bit = false; \
\
/* Check and skip 67h address size prefix if needed. */ \
if (CHECK_67H_PREFIX && _rip[0] == 0x67) \
/* Skip 67h address size prefix. */ \
if (_rip[0] == 0x67) \
_rip++; \
\
if ((_rip[0] & 0xf0) == 0x40) /* REX byte present. */ \