memory. All functions writing values into the data area return the offset
relative the begin of the code area (start of procedure).
- $Id: codegen-common.c 7693 2007-04-12 14:56:49Z michi $
+ $Id: codegen-common.c 7797 2007-04-23 20:12:39Z michi $
*/
#include "threads/threads-common.h"
+#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/stringlocal.h"
# include "vmcore/statistics.h"
+#if defined(ENABLE_VMLOG)
+#include <vmlog_cacao.h>
+#endif
+
/* in this tree we store all method addresses *********************************/
cd->linenumbertablestartpos = 0;
cd->linenumbertab = 0;
- cd->maxstack = m->maxstack;
-
#if defined(ENABLE_THREADS)
cd->threadcritcurrent.next = NULL;
cd->threadcritcount = 0;
void codegen_branch_label_add(codegendata *cd, s4 label, s4 condition, s4 reg, u4 options)
{
- list *list;
+ list_t *list;
branch_label_ref_t *br;
s4 mpc;
if (mte == NULL) {
/* No method was found. Let's dump a stacktrace. */
+#if defined(ENABLE_VMLOG)
+ vmlog_cacao_signl("SIGSEGV");
+#endif
+
log_println("We received a SIGSEGV and tried to handle it, but we were");
log_println("unable to find a Java method at:");
log_println("");
#if defined(ENABLE_THREADS)
/* XXX michi: This should be available even without threads! */
- threads_print_stacktrace(THREADOBJECT);
+ threads_print_stacktrace();
#endif
vm_abort("Exiting...");
}
+/* codegen_generate_stub_builtin ***********************************************
+
+ Wrapper for codegen_emit_stub_builtin.
+
+ Returns:
+ Pointer to the entrypoint of the stub.
+
+*******************************************************************************/
+
+void codegen_generate_stub_builtin(builtintable_entry *bte)
+{
+ jitdata *jd;
+ codeinfo *code;
+ s4 dumpsize;
+
+ /* mark dump memory */
+
+ dumpsize = dump_size();
+
+ jd = DNEW(jitdata);
+
+ jd->m = NULL;
+ jd->cd = DNEW(codegendata);
+ jd->rd = NULL;
+ jd->flags = 0;
+
+ /* Allocate codeinfo memory from the heap as we need to keep them. */
+
+ jd->code = code_codeinfo_new(NULL);
+
+ /* get required compiler data */
+
+ code = jd->code;
+
+ /* setup code generation stuff */
+
+ codegen_setup(jd);
+
+ /* generate the code */
+
+#if defined(ENABLE_JIT)
+# if defined(ENABLE_INTRP)
+ if (!opt_intrp)
+# endif
+ codegen_emit_stub_builtin(jd, bte);
+#endif
+
+ /* reallocate the memory and finish the code generation */
+
+ codegen_finish(jd);
+
+ /* set the stub entry point in the builtin table */
+
+ bte->stub = code->entrypoint;
+
+#if defined(ENABLE_STATISTICS)
+ if (opt_stat)
+ count_nstub_len += code->mcodelength;
+#endif
+
+ /* release memory */
+
+ dump_release(dumpsize);
+}
+
+
/* codegen_generate_stub_native ************************************************
Wrapper for codegen_emit_stub_native.
intrp_createnativestub(f, jd, nmd);
#endif
+ /* reallocate the memory and finish the code generation */
+
+ codegen_finish(jd);
+
#if defined(ENABLE_STATISTICS)
if (opt_stat)
count_nstub_len += code->mcodelength;
#endif
- /* reallocate the memory and finish the code generation */
-
- codegen_finish(jd);
-
#if !defined(NDEBUG)
/* disassemble native stub */
#endif
+/* codegen_stub_builtin_enter **************************************************
+
+ Prepares the stuff required for a builtin function call:
+
+ - adds a stackframe info structure to the chain, for stacktraces
+
+ The layout of the builtin stub stackframe should look like this:
+
+ +---------------------------+ <- SP (of parent Java function)
+ | return address |
+ +---------------------------+
+ | |
+ | stackframe info structure |
+ | |
+ +---------------------------+
+ | |
+ | arguments (if any) |
+ | |
+ +---------------------------+ <- SP (native stub)
+
+*******************************************************************************/
+
+void codegen_stub_builtin_enter(u1 *datasp, u1 *pv, u1 *sp, u1 *ra)
+{
+ stackframeinfo *sfi;
+
+ /* get data structures from stack */
+
+ sfi = (stackframeinfo *) (datasp - sizeof(stackframeinfo));
+
+ /* add a stackframeinfo to the chain */
+
+ stacktrace_create_native_stackframeinfo(sfi, pv, sp, ra);
+
+#if defined(ENABLE_THREADS) && defined(ENABLE_GC_CACAO)
+ /* set the native world flag */
+
+ THREADOBJECT->flags |= THREAD_FLAG_IN_NATIVE;
+#endif
+}
+
+
+/* codegen_stub_builtin_exit ***************************************************
+
+ Removes the stuff required for a builtin function call.
+
+*******************************************************************************/
+
+void codegen_stub_builtin_exit(u1 *datasp)
+{
+ stackframeinfo *sfi;
+ stackframeinfo **psfi;
+
+ /* get data structures from stack */
+
+ sfi = (stackframeinfo *) (datasp - sizeof(stackframeinfo));
+
+ /* remove current stackframeinfo from chain */
+
+ psfi = &STACKFRAMEINFO;
+
+ *psfi = sfi->prev;
+
+#if defined(ENABLE_THREADS) && defined(ENABLE_GC_CACAO)
+ /* clear the native world flag */
+
+ THREADOBJECT->flags &= ~THREAD_FLAG_IN_NATIVE;
+#endif
+}
+
+
/* codegen_start_native_call ***************************************************
Prepares the stuff required for a native (JNI) function call:
{
stackframeinfo *sfi;
stackframeinfo **psfi;
+#if defined(ENABLE_JAVASE)
localref_table *lrt;
localref_table *plrt;
s4 localframes;
+#endif
java_objectheader *e;
/* get data structures from stack */
sfi = (stackframeinfo *) (datasp - sizeof(stackframeinfo));
- lrt = (localref_table *) (datasp - sizeof(stackframeinfo) -
- sizeof(localref_table));
#if defined(ENABLE_THREADS) && defined(ENABLE_GC_CACAO)
/* clear the native world flag */
projects / cacao.git / blobdiff