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prims.cc (catch_segv): Create exception in handler.

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2003-06-12  Andrew Haley  <aph@redhat.com>

        * prims.cc (catch_segv): Create exception in handler.
        (catch_fpe): Likewise.
        (_Jv_divI, _Jv_remI, _Jv_divJ, _Jv_remJ): Likewise.
        (_Jv_ThrowSignal): Remove.

        * include/x86_64-signal.h (INIT_SEGV): Delete reference to nullp.
        * include/default-signal.h (INIT_SEGV, INIT_FPE): Delete reference
        to nullp and arithexception.
        * include/dwarf2-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/i386-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/s390-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/sparc-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/win32-signal.h (INIT_SEGV, INIT_FPE): Likewise.

From-SVN: r67892
This commit is contained in:
Andrew Haley 2003-06-13 12:20:45 +00:00 • committed by Andrew Haley
parent 12e816bf16
commit bec3e66d1a
9 changed files with 45 additions and 56 deletions
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16
libjava/ChangeLog
View file

@ -1,3 +1,19 @@
2003-06-12 Andrew Haley <aph@redhat.com>
* prims.cc (catch_segv): Create exception in handler.
(catch_fpe): Likewise.
(_Jv_divI, _Jv_remI, _Jv_divJ, _Jv_remJ): Likewise.
(_Jv_ThrowSignal): Remove.
* include/x86_64-signal.h (INIT_SEGV): Delete reference to nullp.
* include/default-signal.h (INIT_SEGV, INIT_FPE): Delete reference
to nullp and arithexception.
* include/dwarf2-signal.h (INIT_SEGV, INIT_FPE): Likewise.
* include/i386-signal.h (INIT_SEGV, INIT_FPE): Likewise.
* include/s390-signal.h (INIT_SEGV, INIT_FPE): Likewise.
* include/sparc-signal.h (INIT_SEGV, INIT_FPE): Likewise.
* include/win32-signal.h (INIT_SEGV, INIT_FPE): Likewise.
2003-06-11 Andrew Haley <aph@redhat.com>
* jni.cc (_Jv_JNI_check_types): New.

3
libjava/include/default-signal.h
View file

@ -24,7 +24,6 @@ static void _name (int _dummy)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
signal (SIGSEGV, catch_segv); \
} \
while (0)
@ -32,8 +31,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
signal (SIGFPE, catch_fpe); \
} \
while (0)

12
libjava/include/dwarf2-signal.h
View file

@ -143,7 +143,6 @@ extern "C" {
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct kernel_sigaction act; \
unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \
act.k_sa_sigaction = _Jv_catch_segv; \
@ -158,8 +157,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct kernel_sigaction act; \
unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \
act.k_sa_sigaction = _Jv_catch_fpe; \
@ -185,7 +182,6 @@ extern "C" {
do \
{ \
struct kernel_sigaction act; \
nullp = new java::lang::NullPointerException (); \
act.k_sa_sigaction = _Jv_catch_segv; \
act.k_sa_mask = 0; \
act.k_sa_flags = SA_SIGINFO; \
@ -197,8 +193,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct kernel_sigaction act; \
act.k_sa_sigaction = _Jv_catch_fpe; \
act.k_sa_mask = 0; \
@ -212,7 +206,6 @@ while (0)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct sigaction act; \
act.sa_sigaction = _Jv_catch_segv; \
sigemptyset (&act.sa_mask); \
@ -224,8 +217,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct sigaction act; \
act.sa_sigaction = _Jv_catch_fpe; \
sigemptyset (&act.sa_mask); \
@ -250,7 +241,6 @@ while (0)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct sigaction act; \
act.sa_sigaction = _Jv_catch_segv; \
sigemptyset (&act.sa_mask); \
@ -262,8 +252,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct sigaction act; \
act.sa_sigaction = _Jv_catch_fpe; \
sigemptyset (&act.sa_mask); \

3
libjava/include/i386-signal.h
View file

@ -111,7 +111,6 @@ struct old_i386_kernel_sigaction {
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct old_i386_kernel_sigaction kact; \
kact.k_sa_handler = catch_segv; \
kact.k_sa_mask = 0; \
@ -123,8 +122,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct old_i386_kernel_sigaction kact; \
kact.k_sa_handler = catch_fpe; \
kact.k_sa_mask = 0; \

3
libjava/include/s390-signal.h
View file

@ -52,7 +52,6 @@ struct old_s390_kernel_sigaction {
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct old_s390_kernel_sigaction kact; \
kact.k_sa_handler = catch_segv; \
kact.k_sa_mask = 0; \
@ -64,8 +63,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct old_s390_kernel_sigaction kact; \
kact.k_sa_handler = catch_fpe; \
kact.k_sa_mask = 0; \

3
libjava/include/sparc-signal.h
View file

@ -45,7 +45,6 @@ while (0)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct sigaction act; \
act.sa_sigaction = catch_segv; \
act.sa_flags = SA_SIGINFO | SA_NODEFER; \
@ -57,8 +56,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct sigaction act; \
act.sa_flags = SA_SIGINFO | SA_NODEFER; \
act.sa_sigaction = catch_fpe; \

3
libjava/include/win32-signal.h
View file

@ -26,7 +26,6 @@ static void _name (int _dummy)
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
} \
while (0)
@ -34,8 +33,6 @@ while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
} \
while (0)

1
libjava/include/x86_64-signal.h
View file

@ -64,7 +64,6 @@ static void restore_rt (void) asm ("__restore_rt");
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct kernel_sigaction act; \
act.k_sa_sigaction = _Jv_catch_segv; \
sigemptyset (&act.k_sa_mask); \

57
libjava/prims.cc
View file

@ -122,39 +122,27 @@ void (*_Jv_JVMPI_Notify_THREAD_END) (JVMPI_Event *event);
#endif
extern "C" void _Jv_ThrowSignal (jthrowable) __attribute ((noreturn));
// Just like _Jv_Throw, but fill in the stack trace first. Although
// this is declared extern in order that its name not be mangled, it
// is not intended to be used outside this file.
void
_Jv_ThrowSignal (jthrowable throwable)
{
throwable->fillInStackTrace ();
throw throwable;
}
#ifdef HANDLE_SEGV
static java::lang::NullPointerException *nullp;
SIGNAL_HANDLER (catch_segv)
{
java::lang::NullPointerException *nullp
= new java::lang::NullPointerException;
MAKE_THROW_FRAME (nullp);
_Jv_ThrowSignal (nullp);
throw nullp;
}
#endif
static java::lang::ArithmeticException *arithexception;
#ifdef HANDLE_FPE
SIGNAL_HANDLER (catch_fpe)
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
#ifdef HANDLE_DIVIDE_OVERFLOW
HANDLE_DIVIDE_OVERFLOW;
#else
MAKE_THROW_FRAME (arithexception);
#endif
_Jv_ThrowSignal (arithexception);
throw arithexception;
}
#endif
@ -921,9 +909,6 @@ _Jv_CreateJavaVM (void* /*vm_args*/)
INIT_SEGV;
#ifdef HANDLE_FPE
INIT_FPE;
#else
arithexception = new java::lang::ArithmeticException
(JvNewStringLatin1 ("/ by zero"));
#endif
no_memory = new java::lang::OutOfMemoryError;
@ -1093,7 +1078,11 @@ jint
_Jv_divI (jint dividend, jint divisor)
{
if (__builtin_expect (divisor == 0, false))
_Jv_ThrowSignal (arithexception);
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
if (dividend == (jint) 0x80000000L && divisor == -1)
return dividend;
@ -1105,11 +1094,15 @@ jint
_Jv_remI (jint dividend, jint divisor)
{
if (__builtin_expect (divisor == 0, false))
_Jv_ThrowSignal (arithexception);
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
if (dividend == (jint) 0x80000000L && divisor == -1)
return 0;
return dividend % divisor;
}
@ -1117,8 +1110,12 @@ jlong
_Jv_divJ (jlong dividend, jlong divisor)
{
if (__builtin_expect (divisor == 0, false))
_Jv_ThrowSignal (arithexception);
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
if (dividend == (jlong) 0x8000000000000000LL && divisor == -1)
return dividend;
@ -1129,8 +1126,12 @@ jlong
_Jv_remJ (jlong dividend, jlong divisor)
{
if (__builtin_expect (divisor == 0, false))
_Jv_ThrowSignal (arithexception);
{
java::lang::ArithmeticException *arithexception
= new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero"));
throw arithexception;
}
if (dividend == (jlong) 0x8000000000000000LL && divisor == -1)
return 0;