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comparison src/cpu/x86/vm/sharedRuntime_x86_64.cpp @ 14518:d8041d695d19

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Merged with jdk9/dev/hotspot changeset 3812c088b945
author twisti
date Tue, 11 Mar 2014 18:45:59 -0700
parents 7ad529321294 abec000618bf
children 4ca6dc0799b6
comparison
equal deleted inserted replaced
14141:f97c5ec83832 14518:d8041d695d19
1 /* 1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
901 return AdapterHandlerLibrary::new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); 901 return AdapterHandlerLibrary::new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry);
902 } 902 }
903 903
904 int SharedRuntime::c_calling_convention(const BasicType *sig_bt, 904 int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
905 VMRegPair *regs, 905 VMRegPair *regs,
906 VMRegPair *regs2,
906 int total_args_passed) { 907 int total_args_passed) {
908 assert(regs2 == NULL, "not needed on x86");
907 // We return the amount of VMRegImpl stack slots we need to reserve for all 909 // We return the amount of VMRegImpl stack slots we need to reserve for all
908 // the arguments NOT counting out_preserve_stack_slots. 910 // the arguments NOT counting out_preserve_stack_slots.
909 911
910 // NOTE: These arrays will have to change when c1 is ported 912 // NOTE: These arrays will have to change when c1 is ported
911 #ifdef _WIN64 913 #ifdef _WIN64
1893 } 1895 }
1894 1896
1895 // Now figure out where the args must be stored and how much stack space 1897 // Now figure out where the args must be stored and how much stack space
1896 // they require. 1898 // they require.
1897 int out_arg_slots; 1899 int out_arg_slots;
1898 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, total_c_args); 1900 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args);
1899 1901
1900 // Compute framesize for the wrapper. We need to handlize all oops in 1902 // Compute framesize for the wrapper. We need to handlize all oops in
1901 // incoming registers 1903 // incoming registers
1902 1904
1903 // Calculate the total number of stack slots we will need. 1905 // Calculate the total number of stack slots we will need.
2797 // Now figure out where the args must be stored and how much stack space 2799 // Now figure out where the args must be stored and how much stack space
2798 // they require (neglecting out_preserve_stack_slots but space for storing 2800 // they require (neglecting out_preserve_stack_slots but space for storing
2799 // the 1st six register arguments). It's weird see int_stk_helper. 2801 // the 1st six register arguments). It's weird see int_stk_helper.
2800 2802
2801 int out_arg_slots; 2803 int out_arg_slots;
2802 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, total_c_args); 2804 out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args);
2803 2805
2804 // Calculate the total number of stack slots we will need. 2806 // Calculate the total number of stack slots we will need.
2805 2807
2806 // First count the abi requirement plus all of the outgoing args 2808 // First count the abi requirement plus all of the outgoing args
2807 int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots; 2809 int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots;