I have found that actually, the problem is that DEBUG builds now throw this
error on Linux, whereas release builds are fine. I have tried to determine
if there are any flags my app needs to have or to omit when linking against
the monolithic V8 lib on linux for debug. Any help would be appreciated!
On Friday, July 12, 2019 at 4:54:39 PM UTC-4, Christopher Nelson wrote:
>
>
> I have the following code, which works fine on v8 7.2:
>
> isolate::isolate() {
> create_params.array_buffer_allocator =
> v8::
> ArrayBuffer::Allocator::NewDefaultAllocator();
> i = v8::Isolate
> ::New(create_params);
> i->SetData(0, this);
>
> }
>
> However, when run on 7.3+ it yields this:
>
> #0 __memmove_sse2_unaligned_erms () at
> ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:321
> #1 0x00007ffff7dc66d9 in std::__1::basic_string<char,
> std::__1::char_traits<char>, std::__1::allocator<char> >::append(char
> const*, unsigned long) () from /lib/x86_64-linux-gnu/libc++.so.1
> #2 0x00000000044bbd79 in operator+<char, std::__1::char_traits<char>,
> std::__1::allocator<char> > () at
> ../../buildtools/third_party/libc++/trunk/include/string:4147
> #3 operator() () at ../../src/interpreter/interpreter.cc:277
> #4 __invoke<(lambda at ../../src/interpreter/interpreter.cc:270:19) &,
> v8::internal::interpreter::Bytecode,
> v8::internal::interpreter::OperandScale> () at
> ../../buildtools/third_party/libc++/trunk/include/type_traits:4353
> #5 __call<(lambda at ../../src/interpreter/interpreter.cc:270:19) &,
> v8::internal::interpreter::Bytecode,
> v8::internal::interpreter::OperandScale> () at
> ../../buildtools/third_party/libc++/trunk/include/__functional_base:349
> #6 operator() () at
> ../../buildtools/third_party/libc++/trunk/include/functional:1527
> #7 __call_impl<std::__1::__function::__alloc_func<(lambda at
> ../../src/interpreter/interpreter.cc:270:19), std::__1::allocator<(lambda
> at ../../src/interpreter/interpreter.cc:270:19)>, void
> (v8::internal::interpreter::Bytecode,
> v8::internal::interpreter::OperandScale)> > () at
> ../../buildtools/third_party/libc++/trunk/include/functional:2010
> #8 0x00000000044ba5f4 in operator() () at
> ../../buildtools/third_party/libc++/trunk/include/functional:2123
> #9 operator() () at
> ../../buildtools/third_party/libc++/trunk/include/functional:2347
> #10 ForEachBytecode () at ../../src/interpreter/interpreter.cc:251
> #11 0x00000000044ba834 in Initialize () at
> ../../src/interpreter/interpreter.cc:270
> #12 0x000000000452aa8b in Init () at ../../src/isolate.cc:3336
> #13 0x00000000048f72da in Initialize () at
> ../../src/snapshot/snapshot-common.cc:50
> #14 0x0000000003e2c492 in Initialize () at ../../src/api.cc:8174
> #15 0x0000000003e2ca2f in New () at ../../src/api.cc:8196
> #16 0x0000000003d986bc in hiram::js::isolate::isolate
> (this=0x7fffffffcf38) at ../../../../../engine/src/js/isolate.cpp:20
> #17 0x0000000003c93997 in ____C_A_T_C_H____T_E_S_T____6 () at
> ../../../../../engine/test/test_element_node.cpp:62
> #18 0x0000000003be6b33 in Catch::TestInvokerAsFunction::invoke
> (this=0x7326650) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11841
> #19 0x0000000003be16d6 in Catch::TestCase::invoke (this=0x738eb00) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11742
> #20 0x0000000003be160a in Catch::RunContext::invokeActiveTestCase
> (this=0x7fffffffd7c8) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10601
> #21 0x0000000003be0164 in Catch::RunContext::runCurrentTest
> (this=0x7fffffffd7c8, redirectedCout=..., redirectedCerr=...) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10574
> #22 0x0000000003bdf4fc in Catch::RunContext::runTest (this=0x7fffffffd7c8,
> testCase=...) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10344
> #23 0x0000000003be39fd in Catch::(anonymous namespace)::runTests
> (config=...) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10903
> #24 0x0000000003be34b2 in Catch::Session::runInternal
> (this=0x7fffffffdb50) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11098
> #25 0x0000000003be322b in Catch::Session::run (this=0x7fffffffdb50) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11055
> #26 0x0000000003c1257a in Catch::Session::run<char> (this=0x7fffffffdb50,
> argc=1, argv=0x7fffffffdda8) at
> ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10801
> #27 0x0000000003bf4c58 in main (argc=1, argv=0x7fffffffdda8) at
> ../../../../../engine/test/main.cpp:25
>
> I am building on Linux using clang 8, with the following parameters:
>
> v8_build_args = [
> 'target_cpu="x64"',
> 'is_component_build = false',
> 'v8_enable_i18n_support = false',
> 'v8_enable_backtrace = true',
> 'v8_enable_disassembler = true',
> 'v8_enable_object_print = true',
> 'v8_enable_verify_heap = true',
> 'v8_use_snapshot = true',
> 'v8_use_external_startup_data = false',
> 'v8_monolithic = true',
> ]
>
> Any help would be much appreciated.
>
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