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[Patch] ThreadLS: Use Android get current thread symbol

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khanhduytran0 2020-09-16 06:10:45 +07:00
parent 5702ebc07d
commit bb01bff739
2 changed files with 52 additions and 0 deletions
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1
buildjdk.sh
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@ -25,6 +25,7 @@ rm -rf build
# --hostt=aarch64-linux-android \
# --with-toolchain-type=clang \
bash ./configure \
--with-cpu-port=arm64 \
--enable-option-checking=fatal \
--openjdk-target=aarch64-linux-android \
--disable-warnings-as-errors \

51
openjdk-mobile-aarch64-patch/hotspot/src/os_cpu/linux_aarch64/vm/threadLS_linux_aarch64.s Normal file
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@ -0,0 +1,51 @@
// Copyright (c) 2015, Red Hat Inc. All rights reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This code is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License version 2 only, as
// published by the Free Software Foundation.
//
// This code is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// version 2 for more details (a copy is included in the LICENSE file that
// accompanied this code).
//
// You should have received a copy of the GNU General Public License version
// 2 along with this work; if not, write to the Free Software Foundation,
// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
// or visit www.oracle.com if you need additional information or have any
// questions.
// JavaThread::aarch64_get_thread_helper()
//
// Return the current thread pointer in x0.
// Clobber x1, flags.
// All other registers are preserved,
.global _ZN10JavaThread25aarch64_get_thread_helperEv
.type _ZN10JavaThread25aarch64_get_thread_helperEv, %function
_ZN10JavaThread25aarch64_get_thread_helperEv:
stp x29, x30, [sp, -16]!
#ifdef __ANDROID__
adrp x0, :tlsdesc:_ZN3art6Thread14CurrentFromGdbEv
ldr x1, [x0, #:tlsdesc_lo12:_ZN3art6Thread14CurrentFromGdbEv]
add x0, x0, :tlsdesc_lo12:_ZN3art6Thread14CurrentFromGdbEv
.tlsdesccall _ZN3art6Thread14CurrentFromGdbEv
#else
adrp x0, :tlsdesc:_ZN6Thread12_thr_currentE
ldr x1, [x0, #:tlsdesc_lo12:_ZN6Thread12_thr_currentE]
add x0, x0, :tlsdesc_lo12:_ZN6Thread12_thr_currentE
.tlsdesccall _ZN6Thread12_thr_currentE
#endif
blr x1
mrs x1, tpidr_el0
add x0, x1, x0
ldr x0, [x0]
ldp x29, x30, [sp], 16
ret
.size _ZN10JavaThread25aarch64_get_thread_helperEv, .-_ZN10JavaThread25aarch64_get_thread_helperEv