#include <gnu/gcj/jvmti/Breakpoint.h>
#include <gnu/gcj/jvmti/BreakpointManager.h>
-#ifdef INTERPRETER
-
// Execution engine for interpreted code.
_Jv_InterpreterEngine _Jv_soleInterpreterEngine;
// the Class monitor as user code in another thread could hold it.
static _Jv_Mutex_t compile_mutex;
+// See class ThreadCountAdjuster and REWRITE_INSN for how this is
+// used.
+_Jv_Mutex_t _Jv_InterpMethod::rewrite_insn_mutex;
+
void
_Jv_InitInterpreter()
{
_Jv_MutexInit (&compile_mutex);
+ _Jv_MutexInit (&_Jv_InterpMethod::rewrite_insn_mutex);
}
#else
void _Jv_InitInterpreter() {}
void
_Jv_InterpMethod::run_normal (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_normal_debug (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_synch_object (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_synch_object_debug (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_class (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_class_debug (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_synch_class (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
void
_Jv_InterpMethod::run_synch_class_debug (ffi_cif *,
void *ret,
- ffi_raw *args,
+ INTERP_FFI_RAW_TYPE *args,
void *__this)
{
_Jv_InterpMethod *_this = (_Jv_InterpMethod *) __this;
prepared = insns;
+ // Now remap the variable table for this method.
+ for (int i = 0; i < local_var_table_len; ++i)
+ {
+ int start_byte = local_var_table[i].bytecode_pc;
+ if (start_byte < 0 || start_byte >= code_length)
+ start_byte = 0;
+ jlocation start = pc_mapping[start_byte];
+
+ int end_byte = start_byte + local_var_table[i].length;
+ if (end_byte < 0)
+ end_byte = 0;
+ jlocation end = ((end_byte >= code_length)
+ ? number_insn_slots
+ : pc_mapping[end_byte]);
+
+ local_var_table[i].pc = &insns[start];
+ local_var_table[i].length = end - start + 1;
+ }
+
if (breakpoint_insn == NULL)
{
bp_insn_slot.insn = const_cast<void *> (insn_targets[op_breakpoint]);
/* Run the given method.
When args is NULL, don't run anything -- just compile it. */
void
-_Jv_InterpMethod::run (void *retp, ffi_raw *args, _Jv_InterpMethod *meth)
+_Jv_InterpMethod::run (void *retp, INTERP_FFI_RAW_TYPE *args,
+ _Jv_InterpMethod *meth)
{
-#undef DEBUG
+#undef __GCJ_DEBUG
#undef DEBUG_LOCALS_INSN
#define DEBUG_LOCALS_INSN(s, t) do {} while (0)
}
void
-_Jv_InterpMethod::run_debug (void *retp, ffi_raw *args, _Jv_InterpMethod *meth)
+_Jv_InterpMethod::run_debug (void *retp, INTERP_FFI_RAW_TYPE *args,
+ _Jv_InterpMethod *meth)
{
-#define DEBUG
+#define __GCJ_DEBUG
#undef DEBUG_LOCALS_INSN
#define DEBUG_LOCALS_INSN(s, t) \
do \
if (ptr != (unsigned char*)signature->chars() + signature->len())
throw_internal_error ("did not find end of signature");
- if (ffi_prep_cif (cif, FFI_DEFAULT_ABI,
+ ffi_abi cabi = FFI_DEFAULT_ABI;
+#if defined (X86_WIN32) && !defined (__CYGWIN__)
+ if (!staticp)
+ cabi = FFI_THISCALL;
+#endif
+ if (ffi_prep_cif (cif, cabi,
arg_count, rtype, arg_types) != FFI_OK)
throw_internal_error ("ffi_prep_cif failed");
return item_count;
}
-#if FFI_NATIVE_RAW_API
-# define FFI_PREP_RAW_CLOSURE ffi_prep_raw_closure_loc
-# define FFI_RAW_SIZE ffi_raw_size
-#else
-# define FFI_PREP_RAW_CLOSURE ffi_prep_java_raw_closure_loc
-# define FFI_RAW_SIZE ffi_java_raw_size
-#endif
-
/* we put this one here, and not in interpret.cc because it
* calls the utility routines _Jv_count_arguments
* which are static to this module. The following struct defines the
* layout we use for the stubs, it's only used in the ncode method. */
+#if FFI_NATIVE_RAW_API
+# define FFI_PREP_RAW_CLOSURE ffi_prep_raw_closure_loc
+# define FFI_RAW_SIZE ffi_raw_size
typedef struct {
ffi_raw_closure closure;
_Jv_ClosureList list;
ffi_cif cif;
ffi_type *arg_types[0];
} ncode_closure;
-
-typedef void (*ffi_closure_fun) (ffi_cif*,void*,ffi_raw*,void*);
+typedef void (*ffi_closure_fun) (ffi_cif*,void*,INTERP_FFI_RAW_TYPE*,void*);
+#else
+# define FFI_PREP_RAW_CLOSURE ffi_prep_java_raw_closure_loc
+# define FFI_RAW_SIZE ffi_java_raw_size
+typedef struct {
+ ffi_java_raw_closure closure;
+ _Jv_ClosureList list;
+ ffi_cif cif;
+ ffi_type *arg_types[0];
+} ncode_closure;
+typedef void (*ffi_closure_fun) (ffi_cif*,void*,ffi_java_raw*,void*);
+#endif
void *
_Jv_InterpMethod::ncode (jclass klass)
if (exc[i].handler_type.i != 0)
handler
= (_Jv_Linker::resolve_pool_entry (meth->defining_class,
- ex$
+ exc[i].handler_type.i)).clazz;
#endif /* DIRECT_THREADED */
if (handler == NULL || handler->isAssignableFrom (exc_class))
{
char **generic_sig, jlong *startloc,
jint *length, jint *slot,
int table_slot)
-{
+{
+#ifdef DIRECT_THREADED
+ _Jv_CompileMethod (this);
+#endif
+
if (local_var_table == NULL)
return -2;
if (table_slot >= local_var_table_len)
*sig = local_var_table[table_slot].descriptor;
*generic_sig = local_var_table[table_slot].descriptor;
- *startloc = static_cast<jlong>
- (local_var_table[table_slot].bytecode_start_pc);
+#ifdef DIRECT_THREADED
+ *startloc = insn_index (local_var_table[table_slot].pc);
+#else
+ *startloc = static_cast<jlong> (local_var_table[table_slot].bytecode_pc);
+#endif
*length = static_cast<jint> (local_var_table[table_slot].length);
*slot = static_cast<jint> (local_var_table[table_slot].slot);
}
- return local_var_table_len - table_slot -1;
+ return local_var_table_len - table_slot - 1;
}
pc_t
return (insn->insn == breakpoint_insn->insn);
#else
pc_t code = reinterpret_cast<pc_t> (bytecode ());
- return (code[index] == breakpoint_insn);
+ return (code[index] == bp_insn_opcode);
#endif
}
CATCH_LOCATION with the method and location where the catch will
occur. If the exception is not caught, these are set to 0.
- This function should only be used with the DEBUG interpreter. */
+ This function should only be used with the __GCJ_DEBUG interpreter. */
static void
find_catch_location (::java::lang::Throwable *exc, jthread thread,
jmethodID *catch_method, jlong *catch_loc)
caught (if it is caught).
Like find_catch_location, this should only be called with the
- DEBUG interpreter. Since a few exceptions occur outside the
+ __GCJ_DEBUG interpreter. Since a few exceptions occur outside the
interpreter proper, it is important to not call this function
without checking JVMTI_REQUESTED_EVENT(Exception) first. */
void
}
}
#endif // DIRECT_THREADED
-
-#endif // INTERPRETER