On Tue, 26 Jan 2021 12:01:30 GMT, Coleen Phillimore wrote:
>> I assume a WXVerifier class that tracks W^X mode in debug mode and does
>> nothing in release mode. I've considered to do this, it's relates to small
>> inefficiencies, while this patch brings zero overhead (in release) for a
>>
On Tue, 26 Jan 2021 12:50:22 GMT, Anton Kozlov wrote:
>> Yes, that's why I thought it should be added to the classes
>> ThreadInVMfromNative, etc like:
>> class ThreadInVMfromNative : public ThreadStateTransition {
>> ResetNoHandleMark __rnhm;
>>
>> We can look at it with cleaning up the
On Mon, 25 Jan 2021 17:43:35 GMT, Phil Race wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Tue, 26 Jan 2021 16:35:54 GMT, Bernhard Urban-Forster
wrote:
>> @lewurm This and other harfbuzz changes came from MS, could you please
>> comment here ?
>
> This looks like a merge fix mistake:
>
On Tue, 26 Jan 2021 16:07:19 GMT, Vladimir Kempik wrote:
>> src/java.desktop/share/native/libharfbuzz/hb-common.h line 113:
>>
>>> 111:
>>> 112: #define HB_TAG(c1,c2,c3,c4)
>>>
On Mon, 25 Jan 2021 17:43:22 GMT, Phil Race wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Mon, 25 Jan 2021 19:12:17 GMT, Coleen Phillimore wrote:
>> I've tried to do something like this initially. The idea was to use Write in
>> VM state and Exec in Java and Native states. However, for example, JIT runs
>> in the Native state and needs Write access. So instead, W^X is managed on
On Tue, 26 Jan 2021 11:31:18 GMT, Anton Kozlov wrote:
>> This could be a follow-up RFE.
>
> I assume a WXVerifier class that tracks W^X mode in debug mode and does
> nothing in release mode. I've considered to do this, it's relates to small
> inefficiencies, while this patch brings zero
On Mon, 25 Jan 2021 14:40:42 GMT, Coleen Phillimore wrote:
>> src/hotspot/share/runtime/thread.hpp line 915:
>>
>>> 913: verify_wx_state(WXExec);
>>> 914: }
>>> 915: };
>>
>> Rather than add all this to thread.hpp, can you make a wxVerifier.hpp and
>> just add the class instance
On Mon, 25 Jan 2021 15:01:25 GMT, Anton Kozlov wrote:
>> src/hotspot/share/jfr/instrumentation/jfrJvmtiAgent.cpp line 87:
>>
>>> 85: JavaThread* jt = JavaThread::thread_from_jni_environment(jni_env);
>>> 86: DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_native(jt));;
>>> 87:
On Mon, 25 Jan 2021 09:52:00 GMT, Andrew Haley wrote:
>> Hello
>> Why is it not nice ?
>> linux_aarch64 uses some linux specific tls function
>> _ZN10JavaThread25aarch64_get_thread_helperEv from
>> hotspot/os_cpu/linux_aarch64/threadLS_linux_aarch64.s
>> which clobbers only r0 and r1
>>
On Sun, 24 Jan 2021 15:32:59 GMT, Anton Kozlov wrote:
>> Please review the implementation of JEP 391: macOS/AArch64 Port.
>>
>> It's heavily based on existing ports to linux/aarch64, macos/x86_64, and
>> windows/aarch64.
>>
>> Major changes are in:
>> * src/hotspot/cpu/aarch64: support of
On Sun, 24 Jan 2021 15:50:01 GMT, Anton Kozlov wrote:
>> src/hotspot/cpu/aarch64/interpreterRT_aarch64.cpp line 86:
>>
>>> 84:
>>> 85: switch (_num_int_args) {
>>> 86: case 0:
>>
>> I don't think you need such a large switch statement. I think this can be
>> expressed as
>> if
On Mon, 25 Jan 2021 13:30:55 GMT, Vladimir Kempik wrote:
>> make/modules/jdk.hotspot.agent/Lib.gmk line 34:
>>
>>> 32:
>>> 33: else ifeq ($(call isTargetOs, macosx), true)
>>> 34: SA_CFLAGS := -D_GNU_SOURCE -mno-omit-leaf-frame-pointer \
>>
>> Is this really proper for macos-x64? I thought
On Mon, 25 Jan 2021 14:36:35 GMT, Coleen Phillimore wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Mon, 25 Jan 2021 14:40:09 GMT, Coleen Phillimore wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Sun, 24 Jan 2021 15:32:59 GMT, Anton Kozlov wrote:
>> Please review the implementation of JEP 391: macOS/AArch64 Port.
>>
>> It's heavily based on existing ports to linux/aarch64, macos/x86_64, and
>> windows/aarch64.
>>
>> Major changes are in:
>> * src/hotspot/cpu/aarch64: support of
On Sun, 24 Jan 2021 15:32:59 GMT, Anton Kozlov wrote:
>> Please review the implementation of JEP 391: macOS/AArch64 Port.
>>
>> It's heavily based on existing ports to linux/aarch64, macos/x86_64, and
>> windows/aarch64.
>>
>> Major changes are in:
>> * src/hotspot/cpu/aarch64: support of
On Mon, 25 Jan 2021 13:23:27 GMT, Magnus Ihse Bursie wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
> Changes requested by ihse
On Mon, 25 Jan 2021 14:03:40 GMT, Per Liden wrote:
> In `make/autoconf/jvm-features.m4` I notice that you haven't enabled ZGC for
> macos/aarch64. Is that just an oversight, or is there a reason for that?
because it does not work
processor_id has no "official docs"-friendly implementation,
On Mon, 25 Jan 2021 13:18:34 GMT, Magnus Ihse Bursie wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Sun, 24 Jan 2021 15:32:59 GMT, Anton Kozlov wrote:
>> Please review the implementation of JEP 391: macOS/AArch64 Port.
>>
>> It's heavily based on existing ports to linux/aarch64, macos/x86_64, and
>> windows/aarch64.
>>
>> Major changes are in:
>> * src/hotspot/cpu/aarch64: support of
On Sun, 24 Jan 2021 16:29:31 GMT, Vladimir Kempik wrote:
>> src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp line 5272:
>>
>>> 5270: void MacroAssembler::get_thread(Register dst) {
>>> 5271: RegSet saved_regs = RegSet::range(r0, r1) +
>>> BSD_ONLY(RegSet::range(r2, r17)) + lr - dst;
>>>
On Sun, 24 Jan 2021 16:10:44 GMT, Anton Kozlov wrote:
>> src/hotspot/cpu/aarch64/interpreterRT_aarch64.cpp line 394:
>>
>>> 392:
>>> 393: class SlowSignatureHandler
>>> 394: : public NativeSignatureIterator {
>>
>> SlowSignatureHandler is turning into a maintenance nightmare. This isn't the
On Sat, 23 Jan 2021 11:43:31 GMT, Andrew Haley wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Sat, 23 Jan 2021 11:42:48 GMT, Andrew Haley wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Sat, 23 Jan 2021 11:10:17 GMT, Andrew Haley wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
>
On Fri, 22 Jan 2021 20:18:51 GMT, Erik Joelsson wrote:
>> Anton Kozlov has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Address feedback for signature generators
>> - Enable -Wformat-nonliteral back
>
> make/autoconf/flags-cflags.m4
> Please review the implementation of JEP 391: macOS/AArch64 Port.
>
> It's heavily based on existing ports to linux/aarch64, macos/x86_64, and
> windows/aarch64.
>
> Major changes are in:
> * src/hotspot/cpu/aarch64: support of the new calling convention (subtasks
> JDK-8253817, JDK-8253818)
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