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8136421: JEP 243: Java-Level JVM Compiler Interface
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
This commit is contained in:
Christian Thalinger
parent
f5b4bb46f5
commit
16526e000e
505 changed files with 50394 additions and 915 deletions
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@ -26,6 +26,7 @@
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#include "code/codeCache.hpp"
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#include "code/compiledIC.hpp"
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#include "code/dependencies.hpp"
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#include "code/nativeInst.hpp"
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#include "code/nmethod.hpp"
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#include "code/scopeDesc.hpp"
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#include "compiler/abstractCompiler.hpp"
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@ -46,9 +47,27 @@
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#include "utilities/dtrace.hpp"
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#include "utilities/events.hpp"
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#include "utilities/xmlstream.hpp"
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#ifdef TARGET_ARCH_x86
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# include "nativeInst_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "nativeInst_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_zero
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# include "nativeInst_zero.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "nativeInst_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "nativeInst_ppc.hpp"
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#endif
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#ifdef SHARK
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#include "shark/sharkCompiler.hpp"
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#endif
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#if INCLUDE_JVMCI
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#include "jvmci/jvmciJavaClasses.hpp"
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#endif
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PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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@ -84,6 +103,11 @@ bool nmethod::is_compiled_by_c1() const {
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}
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return compiler()->is_c1();
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}
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bool nmethod::is_compiled_by_jvmci() const {
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if (compiler() == NULL || method() == NULL) return false; // can happen during debug printing
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if (is_native_method()) return false;
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return compiler()->is_jvmci();
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}
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bool nmethod::is_compiled_by_c2() const {
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if (compiler() == NULL) {
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return false;
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@ -108,8 +132,7 @@ bool nmethod::is_compiled_by_shark() const {
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#ifndef PRODUCT
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// These variables are put into one block to reduce relocations
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// and make it simpler to print from the debugger.
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static
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struct nmethod_stats_struct {
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struct java_nmethod_stats_struct {
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int nmethod_count;
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int total_size;
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int relocation_size;
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@ -122,6 +145,7 @@ struct nmethod_stats_struct {
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int handler_table_size;
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int nul_chk_table_size;
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int oops_size;
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int metadata_size;
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void note_nmethod(nmethod* nm) {
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nmethod_count += 1;
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@ -131,39 +155,46 @@ struct nmethod_stats_struct {
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insts_size += nm->insts_size();
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stub_size += nm->stub_size();
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oops_size += nm->oops_size();
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metadata_size += nm->metadata_size();
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scopes_data_size += nm->scopes_data_size();
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scopes_pcs_size += nm->scopes_pcs_size();
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dependencies_size += nm->dependencies_size();
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handler_table_size += nm->handler_table_size();
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nul_chk_table_size += nm->nul_chk_table_size();
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}
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void print_nmethod_stats() {
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void print_nmethod_stats(const char* name) {
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if (nmethod_count == 0) return;
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tty->print_cr("Statistics for %d bytecoded nmethods:", nmethod_count);
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tty->print_cr("Statistics for %d bytecoded nmethods for %s:", nmethod_count, name);
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if (total_size != 0) tty->print_cr(" total in heap = %d", total_size);
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if (nmethod_count != 0) tty->print_cr(" header = %d", nmethod_count * sizeof(nmethod));
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if (relocation_size != 0) tty->print_cr(" relocation = %d", relocation_size);
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if (consts_size != 0) tty->print_cr(" constants = %d", consts_size);
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if (insts_size != 0) tty->print_cr(" main code = %d", insts_size);
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if (stub_size != 0) tty->print_cr(" stub code = %d", stub_size);
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if (oops_size != 0) tty->print_cr(" oops = %d", oops_size);
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if (metadata_size != 0) tty->print_cr(" metadata = %d", metadata_size);
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if (scopes_data_size != 0) tty->print_cr(" scopes data = %d", scopes_data_size);
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if (scopes_pcs_size != 0) tty->print_cr(" scopes pcs = %d", scopes_pcs_size);
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if (dependencies_size != 0) tty->print_cr(" dependencies = %d", dependencies_size);
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if (handler_table_size != 0) tty->print_cr(" handler table = %d", handler_table_size);
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if (nul_chk_table_size != 0) tty->print_cr(" nul chk table = %d", nul_chk_table_size);
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}
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};
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struct native_nmethod_stats_struct {
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int native_nmethod_count;
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int native_total_size;
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int native_relocation_size;
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int native_insts_size;
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int native_oops_size;
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int native_metadata_size;
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void note_native_nmethod(nmethod* nm) {
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native_nmethod_count += 1;
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native_total_size += nm->size();
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native_relocation_size += nm->relocation_size();
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native_insts_size += nm->insts_size();
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native_oops_size += nm->oops_size();
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native_metadata_size += nm->metadata_size();
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}
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void print_native_nmethod_stats() {
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if (native_nmethod_count == 0) return;
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@ -172,8 +203,11 @@ struct nmethod_stats_struct {
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if (native_relocation_size != 0) tty->print_cr(" N. relocation = %d", native_relocation_size);
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if (native_insts_size != 0) tty->print_cr(" N. main code = %d", native_insts_size);
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if (native_oops_size != 0) tty->print_cr(" N. oops = %d", native_oops_size);
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if (native_metadata_size != 0) tty->print_cr(" N. metadata = %d", native_metadata_size);
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}
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};
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struct pc_nmethod_stats_struct {
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int pc_desc_resets; // number of resets (= number of caches)
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int pc_desc_queries; // queries to nmethod::find_pc_desc
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int pc_desc_approx; // number of those which have approximate true
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@ -194,9 +228,51 @@ struct nmethod_stats_struct {
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pc_desc_repeats, pc_desc_hits,
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pc_desc_tests, pc_desc_searches, pc_desc_adds);
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}
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} nmethod_stats;
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#endif //PRODUCT
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};
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#ifdef COMPILER1
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static java_nmethod_stats_struct c1_java_nmethod_stats;
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#endif
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#ifdef COMPILER2
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static java_nmethod_stats_struct c2_java_nmethod_stats;
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#endif
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#if INCLUDE_JVMCI
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static java_nmethod_stats_struct jvmci_java_nmethod_stats;
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#endif
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#ifdef SHARK
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static java_nmethod_stats_struct shark_java_nmethod_stats;
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#endif
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static java_nmethod_stats_struct unknown_java_nmethod_stats;
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static native_nmethod_stats_struct native_nmethod_stats;
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static pc_nmethod_stats_struct pc_nmethod_stats;
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static void note_java_nmethod(nmethod* nm) {
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#ifdef COMPILER1
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if (nm->is_compiled_by_c1()) {
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c1_java_nmethod_stats.note_nmethod(nm);
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} else
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#endif
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#ifdef COMPILER2
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if (nm->is_compiled_by_c2()) {
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c2_java_nmethod_stats.note_nmethod(nm);
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} else
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#endif
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#if INCLUDE_JVMCI
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if (nm->is_compiled_by_jvmci()) {
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jvmci_java_nmethod_stats.note_nmethod(nm);
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} else
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#endif
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#ifdef SHARK
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if (nm->is_compiled_by_shark()) {
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shark_java_nmethod_stats.note_nmethod(nm);
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} else
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#endif
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{
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unknown_java_nmethod_stats.note_nmethod(nm);
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}
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}
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#endif // !PRODUCT
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//---------------------------------------------------------------------------------
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@ -276,7 +352,7 @@ ExceptionCache* nmethod::exception_cache_entry_for_exception(Handle exception) {
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// Helper used by both find_pc_desc methods.
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static inline bool match_desc(PcDesc* pc, int pc_offset, bool approximate) {
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NOT_PRODUCT(++nmethod_stats.pc_desc_tests);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_tests);
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if (!approximate)
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return pc->pc_offset() == pc_offset;
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else
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@ -288,7 +364,7 @@ void PcDescCache::reset_to(PcDesc* initial_pc_desc) {
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_pc_descs[0] = NULL; // native method; no PcDescs at all
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return;
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}
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NOT_PRODUCT(++nmethod_stats.pc_desc_resets);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_resets);
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// reset the cache by filling it with benign (non-null) values
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assert(initial_pc_desc->pc_offset() < 0, "must be sentinel");
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for (int i = 0; i < cache_size; i++)
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@ -296,8 +372,8 @@ void PcDescCache::reset_to(PcDesc* initial_pc_desc) {
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}
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PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) {
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NOT_PRODUCT(++nmethod_stats.pc_desc_queries);
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NOT_PRODUCT(if (approximate) ++nmethod_stats.pc_desc_approx);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_queries);
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NOT_PRODUCT(if (approximate) ++pc_nmethod_stats.pc_desc_approx);
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// Note: one might think that caching the most recently
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// read value separately would be a win, but one would be
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@ -313,7 +389,7 @@ PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) {
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res = _pc_descs[0];
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if (res == NULL) return NULL; // native method; no PcDescs at all
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if (match_desc(res, pc_offset, approximate)) {
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NOT_PRODUCT(++nmethod_stats.pc_desc_repeats);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_repeats);
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return res;
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}
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@ -322,7 +398,7 @@ PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) {
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res = _pc_descs[i];
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if (res->pc_offset() < 0) break; // optimization: skip empty cache
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if (match_desc(res, pc_offset, approximate)) {
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NOT_PRODUCT(++nmethod_stats.pc_desc_hits);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_hits);
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return res;
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}
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}
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@ -332,7 +408,7 @@ PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) {
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}
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void PcDescCache::add_pc_desc(PcDesc* pc_desc) {
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NOT_PRODUCT(++nmethod_stats.pc_desc_adds);
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NOT_PRODUCT(++pc_nmethod_stats.pc_desc_adds);
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// Update the LRU cache by shifting pc_desc forward.
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for (int i = 0; i < cache_size; i++) {
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PcDesc* next = _pc_descs[i];
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@ -459,7 +535,7 @@ void nmethod::init_defaults() {
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_marked_for_deoptimization = 0;
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_lock_count = 0;
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_stack_traversal_mark = 0;
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_unload_reported = false; // jvmti state
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_unload_reported = false; // jvmti state
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#ifdef ASSERT
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_oops_are_stale = false;
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@ -478,6 +554,10 @@ void nmethod::init_defaults() {
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#if INCLUDE_RTM_OPT
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_rtm_state = NoRTM;
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#endif
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#if INCLUDE_JVMCI
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_jvmci_installed_code = NULL;
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_speculation_log = NULL;
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#endif
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}
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nmethod* nmethod::new_native_nmethod(methodHandle method,
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@ -503,7 +583,7 @@ nmethod* nmethod::new_native_nmethod(methodHandle method,
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code_buffer, frame_size,
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basic_lock_owner_sp_offset,
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basic_lock_sp_offset, oop_maps);
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NOT_PRODUCT(if (nm != NULL) nmethod_stats.note_native_nmethod(nm));
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NOT_PRODUCT(if (nm != NULL) native_nmethod_stats.note_native_nmethod(nm));
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if ((PrintAssembly || CompilerOracle::should_print(method)) && nm != NULL) {
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Disassembler::decode(nm);
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}
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@ -531,6 +611,10 @@ nmethod* nmethod::new_nmethod(methodHandle method,
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ImplicitExceptionTable* nul_chk_table,
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AbstractCompiler* compiler,
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int comp_level
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#if INCLUDE_JVMCI
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, Handle installed_code,
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Handle speculationLog
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#endif
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)
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{
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assert(debug_info->oop_recorder() == code_buffer->oop_recorder(), "shared OR");
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@ -553,7 +637,12 @@ nmethod* nmethod::new_nmethod(methodHandle method,
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handler_table,
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nul_chk_table,
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compiler,
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comp_level);
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comp_level
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#if INCLUDE_JVMCI
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, installed_code,
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speculationLog
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#endif
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);
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if (nm != NULL) {
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// To make dependency checking during class loading fast, record
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@ -578,7 +667,7 @@ nmethod* nmethod::new_nmethod(methodHandle method,
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InstanceKlass::cast(klass)->add_dependent_nmethod(nm);
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}
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}
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NOT_PRODUCT(nmethod_stats.note_nmethod(nm));
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NOT_PRODUCT(if (nm != NULL) note_java_nmethod(nm));
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if (PrintAssembly || CompilerOracle::has_option_string(method, "PrintAssembly")) {
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Disassembler::decode(nm);
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}
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@ -593,7 +682,10 @@ nmethod* nmethod::new_nmethod(methodHandle method,
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return nm;
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}
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4355) // warning C4355: 'this' : used in base member initializer list
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#endif
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// For native wrappers
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nmethod::nmethod(
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Method* method,
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@ -683,6 +775,10 @@ nmethod::nmethod(
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}
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}
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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void* nmethod::operator new(size_t size, int nmethod_size, int comp_level) throw () {
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return CodeCache::allocate(nmethod_size, CodeCache::get_code_blob_type(comp_level));
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}
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@ -703,6 +799,10 @@ nmethod::nmethod(
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ImplicitExceptionTable* nul_chk_table,
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AbstractCompiler* compiler,
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int comp_level
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#if INCLUDE_JVMCI
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, Handle installed_code,
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Handle speculation_log
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#endif
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)
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: CodeBlob("nmethod", code_buffer, sizeof(nmethod),
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nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, oop_maps),
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@ -727,15 +827,42 @@ nmethod::nmethod(
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_consts_offset = content_offset() + code_buffer->total_offset_of(code_buffer->consts());
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_stub_offset = content_offset() + code_buffer->total_offset_of(code_buffer->stubs());
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#if INCLUDE_JVMCI
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_jvmci_installed_code = installed_code();
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_speculation_log = (instanceOop)speculation_log();
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if (compiler->is_jvmci()) {
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// JVMCI might not produce any stub sections
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if (offsets->value(CodeOffsets::Exceptions) != -1) {
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_exception_offset = code_offset() + offsets->value(CodeOffsets::Exceptions);
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} else {
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_exception_offset = -1;
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}
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if (offsets->value(CodeOffsets::Deopt) != -1) {
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_deoptimize_offset = code_offset() + offsets->value(CodeOffsets::Deopt);
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} else {
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_deoptimize_offset = -1;
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}
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if (offsets->value(CodeOffsets::DeoptMH) != -1) {
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_deoptimize_mh_offset = code_offset() + offsets->value(CodeOffsets::DeoptMH);
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} else {
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_deoptimize_mh_offset = -1;
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}
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} else {
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#endif
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// Exception handler and deopt handler are in the stub section
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assert(offsets->value(CodeOffsets::Exceptions) != -1, "must be set");
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assert(offsets->value(CodeOffsets::Deopt ) != -1, "must be set");
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_exception_offset = _stub_offset + offsets->value(CodeOffsets::Exceptions);
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_deoptimize_offset = _stub_offset + offsets->value(CodeOffsets::Deopt);
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if (offsets->value(CodeOffsets::DeoptMH) != -1) {
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_deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH);
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} else {
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_deoptimize_mh_offset = -1;
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#if INCLUDE_JVMCI
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}
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#endif
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}
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if (offsets->value(CodeOffsets::UnwindHandler) != -1) {
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_unwind_handler_offset = code_offset() + offsets->value(CodeOffsets::UnwindHandler);
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@ -779,12 +906,12 @@ nmethod::nmethod(
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// we use the information of entry points to find out if a method is
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// static or non static
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assert(compiler->is_c2() ||
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assert(compiler->is_c2() || compiler->is_jvmci() ||
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_method->is_static() == (entry_point() == _verified_entry_point),
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" entry points must be same for static methods and vice versa");
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}
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bool printnmethods = PrintNMethods
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bool printnmethods = PrintNMethods || PrintNMethodsAtLevel == _comp_level
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|| CompilerOracle::should_print(_method)
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|| CompilerOracle::has_option_string(_method, "PrintNMethods");
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if (printnmethods || PrintDebugInfo || PrintRelocations || PrintDependencies || PrintExceptionHandlers) {
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@ -792,7 +919,6 @@ nmethod::nmethod(
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}
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}
|
||||
|
||||
|
||||
// Print a short set of xml attributes to identify this nmethod. The
|
||||
// output should be embedded in some other element.
|
||||
void nmethod::log_identity(xmlStream* log) const {
|
||||
|
|
@ -833,6 +959,7 @@ void nmethod::log_new_nmethod() const {
|
|||
LOG_OFFSET(xtty, handler_table);
|
||||
LOG_OFFSET(xtty, nul_chk_table);
|
||||
LOG_OFFSET(xtty, oops);
|
||||
LOG_OFFSET(xtty, metadata);
|
||||
|
||||
xtty->method(method());
|
||||
xtty->stamp();
|
||||
|
|
@ -874,13 +1001,13 @@ void nmethod::print_nmethod(bool printmethod) {
|
|||
oop_maps()->print();
|
||||
}
|
||||
}
|
||||
if (PrintDebugInfo) {
|
||||
if (PrintDebugInfo || CompilerOracle::has_option_string(_method, "PrintDebugInfo")) {
|
||||
print_scopes();
|
||||
}
|
||||
if (PrintRelocations) {
|
||||
if (PrintRelocations || CompilerOracle::has_option_string(_method, "PrintRelocations")) {
|
||||
print_relocations();
|
||||
}
|
||||
if (PrintDependencies) {
|
||||
if (PrintDependencies || CompilerOracle::has_option_string(_method, "PrintDependencies")) {
|
||||
print_dependencies();
|
||||
}
|
||||
if (PrintExceptionHandlers) {
|
||||
|
|
@ -990,7 +1117,7 @@ ScopeDesc* nmethod::scope_desc_at(address pc) {
|
|||
PcDesc* pd = pc_desc_at(pc);
|
||||
guarantee(pd != NULL, "scope must be present");
|
||||
return new ScopeDesc(this, pd->scope_decode_offset(),
|
||||
pd->obj_decode_offset(), pd->should_reexecute(),
|
||||
pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(),
|
||||
pd->return_oop());
|
||||
}
|
||||
|
||||
|
|
@ -1161,7 +1288,7 @@ bool nmethod::can_convert_to_zombie() {
|
|||
}
|
||||
|
||||
void nmethod::inc_decompile_count() {
|
||||
if (!is_compiled_by_c2()) return;
|
||||
if (!is_compiled_by_c2() && !is_compiled_by_jvmci()) return;
|
||||
// Could be gated by ProfileTraps, but do not bother...
|
||||
Method* m = method();
|
||||
if (m == NULL) return;
|
||||
|
|
@ -1225,6 +1352,7 @@ void nmethod::make_unloaded(BoolObjectClosure* is_alive, oop cause) {
|
|||
}
|
||||
_method = NULL; // Clear the method of this dead nmethod
|
||||
}
|
||||
|
||||
// Make the class unloaded - i.e., change state and notify sweeper
|
||||
assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
|
||||
if (is_in_use()) {
|
||||
|
|
@ -1237,6 +1365,18 @@ void nmethod::make_unloaded(BoolObjectClosure* is_alive, oop cause) {
|
|||
// Unregister must be done before the state change
|
||||
Universe::heap()->unregister_nmethod(this);
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
// The method can only be unloaded after the pointer to the installed code
|
||||
// Java wrapper is no longer alive. Here we need to clear out this weak
|
||||
// reference to the dead object. Nulling out the reference has to happen
|
||||
// after the method is unregistered since the original value may be still
|
||||
// tracked by the rset.
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
InstalledCode::set_address(_jvmci_installed_code, 0);
|
||||
_jvmci_installed_code = NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
_state = unloaded;
|
||||
|
||||
// Log the unloading.
|
||||
|
|
@ -1400,9 +1540,16 @@ bool nmethod::make_not_entrant_or_zombie(unsigned int state) {
|
|||
} else {
|
||||
assert(state == not_entrant, "other cases may need to be handled differently");
|
||||
}
|
||||
#if INCLUDE_JVMCI
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
// Break the link between nmethod and InstalledCode such that the nmethod can subsequently be flushed safely.
|
||||
InstalledCode::set_address(_jvmci_installed_code, 0);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (TraceCreateZombies) {
|
||||
tty->print_cr("nmethod <" INTPTR_FORMAT "> code made %s", this, (state == not_entrant) ? "not entrant" : "zombie");
|
||||
ResourceMark m;
|
||||
tty->print_cr("nmethod <" INTPTR_FORMAT "> %s code made %s", this, this->method() ? this->method()->name_and_sig_as_C_string() : "null", (state == not_entrant) ? "not entrant" : "zombie");
|
||||
}
|
||||
|
||||
NMethodSweeper::report_state_change(this);
|
||||
|
|
@ -1690,6 +1837,33 @@ void nmethod::do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred)
|
|||
}
|
||||
}
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
// Follow JVMCI method
|
||||
BarrierSet* bs = Universe::heap()->barrier_set();
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
if (_jvmci_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_jvmci_installed_code)) {
|
||||
if (!is_alive->do_object_b(_jvmci_installed_code)) {
|
||||
bs->write_ref_nmethod_pre(&_jvmci_installed_code, this);
|
||||
_jvmci_installed_code = NULL;
|
||||
bs->write_ref_nmethod_post(&_jvmci_installed_code, this);
|
||||
}
|
||||
} else {
|
||||
if (can_unload(is_alive, (oop*)&_jvmci_installed_code, unloading_occurred)) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (_speculation_log != NULL) {
|
||||
if (!is_alive->do_object_b(_speculation_log)) {
|
||||
bs->write_ref_nmethod_pre(&_speculation_log, this);
|
||||
_speculation_log = NULL;
|
||||
bs->write_ref_nmethod_post(&_speculation_log, this);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
// Ensure that all metadata is still alive
|
||||
verify_metadata_loaders(low_boundary, is_alive);
|
||||
}
|
||||
|
|
@ -1772,6 +1946,27 @@ bool nmethod::do_unloading_parallel(BoolObjectClosure* is_alive, bool unloading_
|
|||
unloading_occurred = true;
|
||||
}
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
// Follow JVMCI method
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
if (_jvmci_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_jvmci_installed_code)) {
|
||||
if (!is_alive->do_object_b(_jvmci_installed_code)) {
|
||||
_jvmci_installed_code = NULL;
|
||||
}
|
||||
} else {
|
||||
if (can_unload(is_alive, (oop*)&_jvmci_installed_code, unloading_occurred)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (_speculation_log != NULL) {
|
||||
if (!is_alive->do_object_b(_speculation_log)) {
|
||||
_speculation_log = NULL;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// Exception cache
|
||||
clean_exception_cache(is_alive);
|
||||
|
||||
|
|
@ -1829,6 +2024,32 @@ bool nmethod::do_unloading_parallel(BoolObjectClosure* is_alive, bool unloading_
|
|||
return postponed;
|
||||
}
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
// Follow JVMCI method
|
||||
BarrierSet* bs = Universe::heap()->barrier_set();
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
if (_jvmci_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_jvmci_installed_code)) {
|
||||
if (!is_alive->do_object_b(_jvmci_installed_code)) {
|
||||
bs->write_ref_nmethod_pre(&_jvmci_installed_code, this);
|
||||
_jvmci_installed_code = NULL;
|
||||
bs->write_ref_nmethod_post(&_jvmci_installed_code, this);
|
||||
}
|
||||
} else {
|
||||
if (can_unload(is_alive, (oop*)&_jvmci_installed_code, unloading_occurred)) {
|
||||
is_unloaded = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (_speculation_log != NULL) {
|
||||
if (!is_alive->do_object_b(_speculation_log)) {
|
||||
bs->write_ref_nmethod_pre(&_speculation_log, this);
|
||||
_speculation_log = NULL;
|
||||
bs->write_ref_nmethod_post(&_speculation_log, this);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// Ensure that all metadata is still alive
|
||||
verify_metadata_loaders(low_boundary, is_alive);
|
||||
|
||||
|
|
@ -2013,6 +2234,15 @@ void nmethod::oops_do(OopClosure* f, bool allow_zombie) {
|
|||
// (See comment above.)
|
||||
}
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
if (_jvmci_installed_code != NULL) {
|
||||
f->do_oop((oop*) &_jvmci_installed_code);
|
||||
}
|
||||
if (_speculation_log != NULL) {
|
||||
f->do_oop((oop*) &_speculation_log);
|
||||
}
|
||||
#endif
|
||||
|
||||
RelocIterator iter(this, low_boundary);
|
||||
|
||||
while (iter.next()) {
|
||||
|
|
@ -2137,7 +2367,7 @@ bool nmethod::detect_scavenge_root_oops() {
|
|||
// called with a frame corresponding to a Java invoke
|
||||
void nmethod::preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, OopClosure* f) {
|
||||
#ifndef SHARK
|
||||
if (!method()->is_native()) {
|
||||
if (method() != NULL && !method()->is_native()) {
|
||||
SimpleScopeDesc ssd(this, fr.pc());
|
||||
Bytecode_invoke call(ssd.method(), ssd.bci());
|
||||
bool has_receiver = call.has_receiver();
|
||||
|
|
@ -2203,6 +2433,14 @@ void nmethod::copy_scopes_data(u_char* buffer, int size) {
|
|||
memcpy(scopes_data_begin(), buffer, size);
|
||||
}
|
||||
|
||||
// When using JVMCI the address might be off by the size of a call instruction.
|
||||
bool nmethod::is_deopt_entry(address pc) {
|
||||
return pc == deopt_handler_begin()
|
||||
#if INCLUDE_JVMCI
|
||||
|| pc == (deopt_handler_begin() + NativeCall::instruction_size)
|
||||
#endif
|
||||
;
|
||||
}
|
||||
|
||||
#ifdef ASSERT
|
||||
static PcDesc* linear_search(nmethod* nm, int pc_offset, bool approximate) {
|
||||
|
|
@ -2211,7 +2449,7 @@ static PcDesc* linear_search(nmethod* nm, int pc_offset, bool approximate) {
|
|||
lower += 1; // exclude initial sentinel
|
||||
PcDesc* res = NULL;
|
||||
for (PcDesc* p = lower; p < upper; p++) {
|
||||
NOT_PRODUCT(--nmethod_stats.pc_desc_tests); // don't count this call to match_desc
|
||||
NOT_PRODUCT(--pc_nmethod_stats.pc_desc_tests); // don't count this call to match_desc
|
||||
if (match_desc(p, pc_offset, approximate)) {
|
||||
if (res == NULL)
|
||||
res = p;
|
||||
|
|
@ -2258,7 +2496,7 @@ PcDesc* nmethod::find_pc_desc_internal(address pc, bool approximate) {
|
|||
|
||||
// Use the last successful return as a split point.
|
||||
PcDesc* mid = _pc_desc_cache.last_pc_desc();
|
||||
NOT_PRODUCT(++nmethod_stats.pc_desc_searches);
|
||||
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches);
|
||||
if (mid->pc_offset() < pc_offset) {
|
||||
lower = mid;
|
||||
} else {
|
||||
|
|
@ -2271,7 +2509,7 @@ PcDesc* nmethod::find_pc_desc_internal(address pc, bool approximate) {
|
|||
for (int step = (1 << (LOG2_RADIX*3)); step > 1; step >>= LOG2_RADIX) {
|
||||
while ((mid = lower + step) < upper) {
|
||||
assert_LU_OK;
|
||||
NOT_PRODUCT(++nmethod_stats.pc_desc_searches);
|
||||
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches);
|
||||
if (mid->pc_offset() < pc_offset) {
|
||||
lower = mid;
|
||||
} else {
|
||||
|
|
@ -2286,7 +2524,7 @@ PcDesc* nmethod::find_pc_desc_internal(address pc, bool approximate) {
|
|||
while (true) {
|
||||
assert_LU_OK;
|
||||
mid = lower + 1;
|
||||
NOT_PRODUCT(++nmethod_stats.pc_desc_searches);
|
||||
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches);
|
||||
if (mid->pc_offset() < pc_offset) {
|
||||
lower = mid;
|
||||
} else {
|
||||
|
|
@ -2473,7 +2711,6 @@ void nmethodLocker::unlock_nmethod(nmethod* nm) {
|
|||
assert(nm->_lock_count >= 0, "unmatched nmethod lock/unlock");
|
||||
}
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// nmethod::get_deopt_original_pc
|
||||
//
|
||||
|
|
@ -2587,7 +2824,7 @@ void nmethod::verify_interrupt_point(address call_site) {
|
|||
PcDesc* pd = pc_desc_at(nativeCall_at(call_site)->return_address());
|
||||
assert(pd != NULL, "PcDesc must exist");
|
||||
for (ScopeDesc* sd = new ScopeDesc(this, pd->scope_decode_offset(),
|
||||
pd->obj_decode_offset(), pd->should_reexecute(),
|
||||
pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(),
|
||||
pd->return_oop());
|
||||
!sd->is_top(); sd = sd->sender()) {
|
||||
sd->verify();
|
||||
|
|
@ -2680,6 +2917,8 @@ void nmethod::print() const {
|
|||
tty->print("(c2) ");
|
||||
} else if (is_compiled_by_shark()) {
|
||||
tty->print("(shark) ");
|
||||
} else if (is_compiled_by_jvmci()) {
|
||||
tty->print("(JVMCI) ");
|
||||
} else {
|
||||
tty->print("(nm) ");
|
||||
}
|
||||
|
|
@ -2764,7 +3003,10 @@ void nmethod::print_scopes() {
|
|||
continue;
|
||||
|
||||
ScopeDesc* sd = scope_desc_at(p->real_pc(this));
|
||||
sd->print_on(tty, p);
|
||||
while (sd != NULL) {
|
||||
sd->print_on(tty, p);
|
||||
sd = sd->sender();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2881,7 +3123,7 @@ ScopeDesc* nmethod::scope_desc_in(address begin, address end) {
|
|||
PcDesc* p = pc_desc_near(begin+1);
|
||||
if (p != NULL && p->real_pc(this) <= end) {
|
||||
return new ScopeDesc(this, p->scope_decode_offset(),
|
||||
p->obj_decode_offset(), p->should_reexecute(),
|
||||
p->obj_decode_offset(), p->should_reexecute(), p->rethrow_exception(),
|
||||
p->return_oop());
|
||||
}
|
||||
return NULL;
|
||||
|
|
@ -2890,9 +3132,9 @@ ScopeDesc* nmethod::scope_desc_in(address begin, address end) {
|
|||
void nmethod::print_nmethod_labels(outputStream* stream, address block_begin) const {
|
||||
if (block_begin == entry_point()) stream->print_cr("[Entry Point]");
|
||||
if (block_begin == verified_entry_point()) stream->print_cr("[Verified Entry Point]");
|
||||
if (block_begin == exception_begin()) stream->print_cr("[Exception Handler]");
|
||||
if (JVMCI_ONLY(_exception_offset >= 0 &&) block_begin == exception_begin()) stream->print_cr("[Exception Handler]");
|
||||
if (block_begin == stub_begin()) stream->print_cr("[Stub Code]");
|
||||
if (block_begin == deopt_handler_begin()) stream->print_cr("[Deopt Handler Code]");
|
||||
if (JVMCI_ONLY(_deoptimize_offset >= 0 &&) block_begin == deopt_handler_begin()) stream->print_cr("[Deopt Handler Code]");
|
||||
|
||||
if (has_method_handle_invokes())
|
||||
if (block_begin == deopt_mh_handler_begin()) stream->print_cr("[Deopt MH Handler Code]");
|
||||
|
|
@ -3058,6 +3300,7 @@ void nmethod::print_code_comment_on(outputStream* st, int column, u_char* begin,
|
|||
}
|
||||
}
|
||||
}
|
||||
st->print(" {reexecute=%d rethrow=%d return_oop=%d}", sd->should_reexecute(), sd->rethrow_exception(), sd->return_oop());
|
||||
}
|
||||
|
||||
// Print all scopes
|
||||
|
|
@ -3130,12 +3373,49 @@ void nmethod::print_nul_chk_table() {
|
|||
void nmethod::print_statistics() {
|
||||
ttyLocker ttyl;
|
||||
if (xtty != NULL) xtty->head("statistics type='nmethod'");
|
||||
nmethod_stats.print_native_nmethod_stats();
|
||||
nmethod_stats.print_nmethod_stats();
|
||||
native_nmethod_stats.print_native_nmethod_stats();
|
||||
#ifdef COMPILER1
|
||||
c1_java_nmethod_stats.print_nmethod_stats("C1");
|
||||
#endif
|
||||
#ifdef COMPILER2
|
||||
c2_java_nmethod_stats.print_nmethod_stats("C2");
|
||||
#endif
|
||||
#if INCLUDE_JVMCI
|
||||
jvmci_java_nmethod_stats.print_nmethod_stats("JVMCI");
|
||||
#endif
|
||||
#ifdef SHARK
|
||||
shark_java_nmethod_stats.print_nmethod_stats("Shark");
|
||||
#endif
|
||||
unknown_java_nmethod_stats.print_nmethod_stats("Unknown");
|
||||
DebugInformationRecorder::print_statistics();
|
||||
nmethod_stats.print_pc_stats();
|
||||
#ifndef PRODUCT
|
||||
pc_nmethod_stats.print_pc_stats();
|
||||
#endif
|
||||
Dependencies::print_statistics();
|
||||
if (xtty != NULL) xtty->tail("statistics");
|
||||
}
|
||||
|
||||
#endif // PRODUCT
|
||||
#endif // !PRODUCT
|
||||
|
||||
#if INCLUDE_JVMCI
|
||||
char* nmethod::jvmci_installed_code_name(char* buf, size_t buflen) {
|
||||
if (!this->is_compiled_by_jvmci()) {
|
||||
return NULL;
|
||||
}
|
||||
oop installedCode = this->jvmci_installed_code();
|
||||
if (installedCode != NULL) {
|
||||
oop installedCodeName = NULL;
|
||||
if (installedCode->is_a(InstalledCode::klass())) {
|
||||
installedCodeName = InstalledCode::name(installedCode);
|
||||
}
|
||||
if (installedCodeName != NULL) {
|
||||
return java_lang_String::as_utf8_string(installedCodeName, buf, (int)buflen);
|
||||
} else {
|
||||
jio_snprintf(buf, buflen, "null");
|
||||
return buf;
|
||||
}
|
||||
}
|
||||
jio_snprintf(buf, buflen, "noInstalledCode");
|
||||
return buf;
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue