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2007-01-11 Andrew Haley <aph@redhat.com>

Browse source 
* prims.cc (jdwpOptions) Fix deprecated cast from char[] constant
        to char*.
        * include/x86_64-signal.h (HANDLE_DIVIDE_OVERFLOW): Rewrite to fix
        aliasing violation.

From-SVN: r120672
This commit is contained in:
Andrew Haley 2007-01-11 13:54:49 +00:00 • committed by Andrew Haley
parent e69bf64be9
commit 9d5b51ff57
3 changed files with 18 additions and 9 deletions
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7
libjava/ChangeLog
View file

@ -1,3 +1,10 @@
2007-01-11 Andrew Haley <aph@redhat.com>
* prims.cc (jdwpOptions) Fix deprecated cast from char[] constant
to char*.
* include/x86_64-signal.h (HANDLE_DIVIDE_OVERFLOW): Rewrite to fix
aliasing violation.
2007-01-10 Tom Tromey <tromey@redhat.com>
* gnu/gcj/xlib/*.h: New files.

15
libjava/include/x86_64-signal.h
View file

@ -29,9 +29,8 @@ static void _Jv_##_name (int, siginfo_t *, \
do \
{ \
struct ucontext *_uc = (struct ucontext *)_p; \
volatile struct sigcontext *_sc = (struct sigcontext *) &_uc->uc_mcontext; \
\
register unsigned char *_rip = (unsigned char *)_sc->rip; \
gregset_t &_gregs = _uc->uc_mcontext.gregs; \
unsigned char *_rip = (unsigned char *)_gregs[REG_RIP]; \
\
/* According to the JVM spec, "if the dividend is the negative \
* integer of largest possible magnitude for the type and the \
@ -64,15 +63,17 @@ do \
if (((_modrm >> 3) & 7) == 7) \
{ \
if (_is_64_bit) \
_min_value_dividend = (_sc->rax == 0x8000000000000000L); \
_min_value_dividend = \
_gregs[REG_RAX] == (greg_t)0x8000000000000000UL; \
else \
_min_value_dividend = ((_sc->rax & 0xffffffff) == 0x80000000); \
_min_value_dividend = \
(_gregs[REG_RAX] & 0xffffffff) == (greg_t)0x80000000UL; \
} \
\
if (_min_value_dividend) \
{ \
unsigned char _rm = _modrm & 7; \
_sc->rdx = 0; /* the remainder is zero */ \
_gregs[REG_RDX] = 0; /* the remainder is zero */ \
switch (_modrm >> 6) \
{ \
case 0: /* register indirect */ \
@ -95,7 +96,7 @@ do \
break; \
} \
_rip += 2; \
_sc->rip = (unsigned long)_rip; \
_gregs[REG_RIP] = (greg_t)_rip; \
return; \
} \
} \

5
libjava/prims.cc
View file

@ -87,7 +87,7 @@ static java::lang::OutOfMemoryError *no_memory;
// Number of bytes in largest array object we create. This could be
// increased to the largest size_t value, so long as the appropriate
// functions are changed to take a size_t argument instead of jint.
#define MAX_OBJECT_SIZE ((1<<31) - 1)
#define MAX_OBJECT_SIZE (((size_t)1<<31) - 1)
// Properties set at compile time.
const char **_Jv_Compiler_Properties = NULL;
@ -104,7 +104,8 @@ int _Jv_argc;
// Debugging options
static bool remoteDebug = false;
static char *jdwpOptions = "";
static char defaultJdwpOptions[] = "";
static char *jdwpOptions = defaultJdwpOptions;
// Argument support.
int