1927 {
1928 unsigned long offset;
1929 __ adrp(rscratch1, ExternalAddress((address)&DTraceMethodProbes), offset);
1930 __ ldrb(rscratch1, Address(rscratch1, offset));
1931 __ cbnzw(rscratch1, dtrace_method_exit);
1932 __ bind(dtrace_method_exit_done);
1933 }
1934
1935 __ reset_last_Java_frame(false);
1936
1937 // Unbox oop result, e.g. JNIHandles::resolve result.
1938 if (ret_type == T_OBJECT || ret_type == T_ARRAY) {
1939 Label done, not_weak;
1940 __ cbz(r0, done); // Use NULL as-is.
1941 STATIC_ASSERT(JNIHandles::weak_tag_mask == 1u);
1942 __ tbz(r0, 0, not_weak); // Test for jweak tag.
1943 // Resolve jweak.
1944 __ ldr(r0, Address(r0, -JNIHandles::weak_tag_value));
1945 __ verify_oop(r0);
1946 #if INCLUDE_ALL_GCS
1947 if (UseG1GC || (UseShenandoahGC && ShenandoahSATBBarrier)) {
1948 __ g1_write_barrier_pre(noreg /* obj */,
1949 r0 /* pre_val */,
1950 rthread /* thread */,
1951 rscratch2 /* tmp */,
1952 true /* tosca_live */,
1953 true /* expand_call */);
1954 }
1955 #endif // INCLUDE_ALL_GCS
1956 __ b(done);
1957 __ bind(not_weak);
1958 // Resolve (untagged) jobject.
1959 __ ldr(r0, Address(r0, 0));
1960 __ verify_oop(r0);
1961 __ bind(done);
1962 }
1963
1964 if (!is_critical_native) {
1965 // reset handle block
1966 __ ldr(r2, Address(rthread, JavaThread::active_handles_offset()));
1967 __ str(zr, Address(r2, JNIHandleBlock::top_offset_in_bytes()));
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1927 {
1928 unsigned long offset;
1929 __ adrp(rscratch1, ExternalAddress((address)&DTraceMethodProbes), offset);
1930 __ ldrb(rscratch1, Address(rscratch1, offset));
1931 __ cbnzw(rscratch1, dtrace_method_exit);
1932 __ bind(dtrace_method_exit_done);
1933 }
1934
1935 __ reset_last_Java_frame(false);
1936
1937 // Unbox oop result, e.g. JNIHandles::resolve result.
1938 if (ret_type == T_OBJECT || ret_type == T_ARRAY) {
1939 Label done, not_weak;
1940 __ cbz(r0, done); // Use NULL as-is.
1941 STATIC_ASSERT(JNIHandles::weak_tag_mask == 1u);
1942 __ tbz(r0, 0, not_weak); // Test for jweak tag.
1943 // Resolve jweak.
1944 __ ldr(r0, Address(r0, -JNIHandles::weak_tag_value));
1945 __ verify_oop(r0);
1946 #if INCLUDE_ALL_GCS
1947 if (UseG1GC || (UseShenandoahGC && ShenandoahKeepAliveBarrier)) {
1948 __ g1_write_barrier_pre(noreg /* obj */,
1949 r0 /* pre_val */,
1950 rthread /* thread */,
1951 rscratch2 /* tmp */,
1952 true /* tosca_live */,
1953 true /* expand_call */);
1954 }
1955 #endif // INCLUDE_ALL_GCS
1956 __ b(done);
1957 __ bind(not_weak);
1958 // Resolve (untagged) jobject.
1959 __ ldr(r0, Address(r0, 0));
1960 __ verify_oop(r0);
1961 __ bind(done);
1962 }
1963
1964 if (!is_critical_native) {
1965 // reset handle block
1966 __ ldr(r2, Address(rthread, JavaThread::active_handles_offset()));
1967 __ str(zr, Address(r2, JNIHandleBlock::top_offset_in_bytes()));
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