diff --git a/src/cpu/x86/vm/methodHandles_x86.cpp b/src/cpu/x86/vm/methodHandles_x86.cpp index 55f0eb0ee9eb2ca9fdddfbe6822fce5cc6107f3f..60c4b0196d71baf766692be106cbac66a527c5ae 100644 --- a/src/cpu/x86/vm/methodHandles_x86.cpp +++ b/src/cpu/x86/vm/methodHandles_x86.cpp @@ -1018,41 +1018,26 @@ extern "C" void print_method_handle(oop mh); void trace_method_handle_stub(const char* adaptername, oop mh, intptr_t* saved_regs, - intptr_t* entry_sp, - intptr_t* saved_sp, - intptr_t* saved_bp) { + intptr_t* entry_sp) { // called as a leaf from native code: do not block the JVM! bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have rcx_mh + const char* mh_reg_name = has_mh ? "rcx_mh" : "rcx"; + tty->print_cr("MH %s %s="PTR_FORMAT" sp="PTR_FORMAT, adaptername, mh_reg_name, mh, entry_sp); - intptr_t* last_sp = (intptr_t*) saved_bp[frame::interpreter_frame_last_sp_offset]; - intptr_t* base_sp = last_sp; - typedef MethodHandles::RicochetFrame RicochetFrame; - RicochetFrame* rfp = (RicochetFrame*)((address)saved_bp - RicochetFrame::sender_link_offset_in_bytes()); - if (Universe::heap()->is_in((address) rfp->saved_args_base())) { - // Probably an interpreter frame. - base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset]; - } - intptr_t mh_reg = (intptr_t)mh; - const char* mh_reg_name = "rcx_mh"; - if (!has_mh) mh_reg_name = "rcx"; - tty->print_cr("MH %s %s="PTR_FORMAT" sp=("PTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="PTR_FORMAT, - adaptername, mh_reg_name, mh_reg, - (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp); if (Verbose) { - tty->print(" reg dump: "); - int saved_regs_count = (entry_sp-1) - saved_regs; - // 32 bit: rdi rsi rbp rsp; rbx rdx rcx (*) rax - int i; - for (i = 0; i <= saved_regs_count; i++) { - if (i > 0 && i % 4 == 0 && i != saved_regs_count) { + tty->print_cr("Registers:"); + const int saved_regs_count = RegisterImpl::number_of_registers; + for (int i = 0; i < saved_regs_count; i++) { + Register r = as_Register(i); + // The registers are stored in reverse order on the stack (by pusha). + tty->print("%3s=" PTR_FORMAT, r->name(), saved_regs[((saved_regs_count - 1) - i)]); + if ((i + 1) % 4 == 0) { tty->cr(); - tty->print(" + dump: "); + } else { + tty->print(", "); } - tty->print(" %d: "PTR_FORMAT, i, saved_regs[i]); } tty->cr(); - if (last_sp != saved_sp && last_sp != NULL) - tty->print_cr("*** last_sp="PTR_FORMAT, (intptr_t)last_sp); { // dumping last frame with frame::describe @@ -1102,14 +1087,7 @@ void trace_method_handle_stub(const char* adaptername, values.describe(-1, dump_sp, "sp for #1"); } - // mark saved_sp if seems valid - if (has_mh) { - if ((saved_sp >= dump_sp - UNREASONABLE_STACK_MOVE) && (saved_sp < dump_fp)) { - values.describe(-1, saved_sp, "*saved_sp"); - } - } - - tty->print_cr(" stack layout:"); + tty->print_cr("Stack layout:"); values.print(p); } if (has_mh) @@ -1125,16 +1103,12 @@ struct MethodHandleStubArguments { oopDesc* mh; intptr_t* saved_regs; intptr_t* entry_sp; - intptr_t* saved_sp; - intptr_t* saved_bp; }; void trace_method_handle_stub_wrapper(MethodHandleStubArguments* args) { trace_method_handle_stub(args->adaptername, args->mh, args->saved_regs, - args->entry_sp, - args->saved_sp, - args->saved_bp); + args->entry_sp); } void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { @@ -1157,20 +1131,18 @@ void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adapt __ fst_d(Address(rsp, 0)); } - // incoming state: + // Incoming state: // rcx: method handle - // r13 or rsi: saved sp - // To avoid calling convention issues, build a record on the stack and pass the pointer to that instead. - // Note: fix the increment below if pushing more arguments - __ push(rbp); // saved_bp - __ push(saved_last_sp_register()); // saved_sp + // + // To avoid calling convention issues, build a record on the stack + // and pass the pointer to that instead. __ push(rbp); // entry_sp (with extra align space) __ push(rbx); // pusha saved_regs __ push(rcx); // mh __ push(rcx); // slot for adaptername __ movptr(Address(rsp, 0), (intptr_t) adaptername); __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub_wrapper), rsp); - __ increment(rsp, 6 * wordSize); // MethodHandleStubArguments + __ increment(rsp, sizeof(MethodHandleStubArguments)); if (UseSSE >= 2) { __ movdbl(xmm0, Address(rsp, 0));