Function references missing from __unwind_info on OS X #74771
Description
I tried this code:
fn main() {}In the __TEXT,__unwind_info section of the resulting binary, I expected to find an entry for every single routine.
Instead, of the 368 routines in the binary, only 217 (~59%) have entries in the __TEXT,__unwind_info section. There does not appear to be any obvious determinant for which routines have entries and which do not. Since _Unwind_FindEnclosingFunction ultimately uses this info to locate the enclosing routine, these omissions unsurprisingly result in that function (sometimes) returning erroneous results. See, for example, this unsatisfactory workaround in backtrace-rs.
I believe that the __TEXT,__unwind_info section is generated by the linker's compact_unwind pass, from records that it finds in the __LD,__compact_unwind section. I haven't (yet) determined whether the latter is correctly populated (and therefore whether this is a linker bug) or not (and therefore a compiler bug), although I have tested and observed similar behaviour in clang so am leaning toward the former.
Meta
rustc --version --verbose:
rustc 1.47.0-nightly (d6953df14 2020-07-25)
binary: rustc
commit-hash: d6953df14657f5932270ad2b33bccafe6f39fad4
commit-date: 2020-07-25
host: x86_64-apple-darwin
release: 1.47.0-nightly
LLVM version: 10.0
368 routines in generated binary
$ nm -numeric-sort target/debug/unwind_info --s __TEXT __text | tail -n +2 | rustfilt
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0000000100024380 T _core::fmt::num::imp::<impl core::fmt::Display for usize>::fmt
00000001000244b0 t _<&T as core::fmt::Debug>::fmt
0000000100024570 t _<&T as core::fmt::Debug>::fmt
00000001000246d0 t _<&T as core::fmt::Debug>::fmt
00000001000247c0 t _<&T as core::fmt::Debug>::fmt
00000001000247e0 t _<&T as core::fmt::Debug>::fmt
00000001000247f0 t _<&T as core::fmt::Display>::fmt
0000000100024810 T _<core::str::Utf8Error as core::fmt::Debug>::fmt
00000001000248e0 T _core::unicode::unicode_data::cc::lookup
0000000100024900 T _core::unicode::unicode_data::grapheme_extend::lookup
217 function entries in __unwind_info
$ unwinddump target/debug/unwind_info | rustfilt
### deletia ###
second level index[0] sectionOffset=0x000001F4, count=2, fileOffset=0x00027C0C
kind=UNWIND_SECOND_LEVEL_COMPRESSED
entryPageOffset=0x0000000C
entryCount=0x000000D9
encodingsPageOffset=0x00000370
encodingsCount=0x00000002
[ 0] funcOffset=0x00000C60, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<() as std::process::Termination>::report
[ 1] funcOffset=0x00000CD0, encoding[ 12]=0x51000000 (rbp frame, no saved registers LSDA ) _core::ops::function::FnOnce::call_once
[ 2] funcOffset=0x00000D10, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 3] funcOffset=0x00000E00, encoding[ 11]=0x02010000 (stack size=8, no registers saved ) ___rust_alloc
[ 4] funcOffset=0x00000E30, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<T as core::any::Any>::type_id
[ 5] funcOffset=0x00000E60, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<&T as core::fmt::Debug>::fmt
[ 6] funcOffset=0x00000EE0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<&T as core::fmt::Debug>::fmt
[ 7] funcOffset=0x00000F80, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<&T as core::fmt::Display>::fmt
[ 8] funcOffset=0x00001110, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _core::ops::function::FnOnce::call_once{{vtable.shim}}
[ 9] funcOffset=0x00001190, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ops::function::FnOnce::call_once{{vtable.shim}}
[ 10] funcOffset=0x000011E0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _core::ptr::drop_in_place
[ 11] funcOffset=0x00001220, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _core::ptr::drop_in_place
[ 12] funcOffset=0x000012B0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 13] funcOffset=0x000012F0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _core::ptr::drop_in_place
[ 14] funcOffset=0x00001350, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _core::ptr::drop_in_place
[ 15] funcOffset=0x00001440, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 16] funcOffset=0x00001470, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _core::ptr::drop_in_place
[ 17] funcOffset=0x000014B0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 18] funcOffset=0x00001520, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _core::ptr::drop_in_place
[ 19] funcOffset=0x000015B0, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _core::ptr::drop_in_place
[ 20] funcOffset=0x00001640, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _core::ptr::drop_in_place
[ 21] funcOffset=0x000016A0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _core::ptr::drop_in_place
[ 22] funcOffset=0x000016F0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 23] funcOffset=0x00001790, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _core::ptr::drop_in_place
[ 24] funcOffset=0x000017E0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 25] funcOffset=0x00001820, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _core::ptr::drop_in_place
[ 26] funcOffset=0x000018D0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::ptr::drop_in_place
[ 27] funcOffset=0x000019D0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<&mut W as core::fmt::Write>::write_char
[ 28] funcOffset=0x00001BE0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<&mut W as core::fmt::Write>::write_char
[ 29] funcOffset=0x00001D80, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<&mut W as core::fmt::Write>::write_str
[ 30] funcOffset=0x00001E50, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<&mut W as core::fmt::Write>::write_str
[ 31] funcOffset=0x00001E60, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _alloc::vec::Vec<T>::into_boxed_slice
[ 32] funcOffset=0x00001F10, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _alloc::sync::Arc<T>::drop_slow
[ 33] funcOffset=0x00001FA0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _alloc::alloc::box_free
[ 34] funcOffset=0x00001FE0, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _alloc::slice::<impl alloc::borrow::ToOwned for [T]>::to_owned
[ 35] funcOffset=0x000020C0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<alloc::string::String as core::fmt::Display>::fmt
[ 36] funcOffset=0x000020E0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _<std::thread::local::AccessError as core::fmt::Debug>::fmt
[ 37] funcOffset=0x000021E0, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _std::thread::local::fast::Key<T>::try_initialize
[ 38] funcOffset=0x000022B0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::thread::local::fast::destroy_value
[ 39] funcOffset=0x00002340, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _std::thread::local::fast::destroy_value
[ 40] funcOffset=0x000023B0, encoding[ 10]=0x51010001 (rbp frame, at -8:rbx LSDA ) _std::thread::park
[ 41] funcOffset=0x000026F0, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::thread::Thread::new
[ 42] funcOffset=0x00002A20, encoding[ 10]=0x51010001 (rbp frame, at -8:rbx LSDA ) _std::thread::Thread::unpark
[ 43] funcOffset=0x00002B20, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::env::current_dir
[ 44] funcOffset=0x00002D80, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::env::_var_os
[ 45] funcOffset=0x00003040, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::error::Error::type_id
[ 46] funcOffset=0x000030C0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<&[u8] as std::ffi::c_str::CString::new::SpecIntoVec>::into_vec
[ 47] funcOffset=0x000031B0, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _std::ffi::c_str::CString::from_vec_unchecked
[ 48] funcOffset=0x00003310, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _std::ffi::c_str::<impl core::convert::From<std::ffi::c_str::NulError> for std::io::error::Error>::from
[ 49] funcOffset=0x00003410, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _<std::io::error::Error as core::fmt::Display>::fmt
[ 50] funcOffset=0x000036C0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write
[ 51] funcOffset=0x00003720, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::is_write_vectored
[ 52] funcOffset=0x00003740, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::flush
[ 53] funcOffset=0x000038D0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<std::io::stdio::StderrRaw as std::io::Write>::flush
[ 54] funcOffset=0x000038E0, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _std::io::stdio::set_panic
[ 55] funcOffset=0x00003A80, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::io::Write::write_all
[ 56] funcOffset=0x00003D00, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::io::Write::write_all_vectored
[ 57] funcOffset=0x00004040, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::io::Write::write_all_vectored
[ 58] funcOffset=0x00004330, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _std::io::Write::write_fmt
[ 59] funcOffset=0x00004510, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _<std::io::Write::write_fmt::Adaptor<T> as core::fmt::Write>::write_str
[ 60] funcOffset=0x000045F0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _std::path::iter_after
[ 61] funcOffset=0x00004870, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<std::path::PrefixComponent as core::cmp::PartialEq>::eq
[ 62] funcOffset=0x00004950, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _std::path::Components::as_path
[ 63] funcOffset=0x00004E00, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _std::path::Components::parse_next_component_back
[ 64] funcOffset=0x00005140, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<std::path::Components as core::iter::traits::iterator::Iterator>::next
[ 65] funcOffset=0x000056D0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<std::path::Display as core::fmt::Debug>::fmt
[ 66] funcOffset=0x00005700, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::sync::once::Once::call_once::{{closure}}
[ 67] funcOffset=0x000058F0, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::sync::once::Once::call_inner
[ 68] funcOffset=0x00005BF0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _<std::sync::once::WaiterQueue as core::ops::drop::Drop>::drop
[ 69] funcOffset=0x00005D10, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _<std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
[ 70] funcOffset=0x00005F10, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::sys_common::backtrace::_print_fmt::{{closure}}
[ 71] funcOffset=0x00005F60, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::sys_common::backtrace::_print_fmt::{{closure}}::{{closure}}
[ 72] funcOffset=0x00006440, encoding[ 10]=0x51010001 (rbp frame, at -8:rbx LSDA ) _std::sys_common::backtrace::_print_fmt::{{closure}}
[ 73] funcOffset=0x00006550, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::sys_common::backtrace::__rust_begin_short_backtrace
[ 74] funcOffset=0x00006560, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::sys_common::backtrace::output_filename
[ 75] funcOffset=0x000067C0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<std::sys_common::os_str_bytes::Slice as core::fmt::Debug>::fmt
[ 76] funcOffset=0x00006BD0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<std::sys_common::poison::PoisonError<T> as core::fmt::Debug>::fmt
[ 77] funcOffset=0x00006BF0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _std::sys_common::thread_info::ThreadInfo::with::{{closure}}
[ 78] funcOffset=0x00006D80, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _std::sys_common::thread_info::set
[ 79] funcOffset=0x00006F80, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::sys_common::util::dumb_print
[ 80] funcOffset=0x00006FE0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::sys_common::util::abort
[ 81] funcOffset=0x00007030, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _std::sys_common::util::report_overflow
[ 82] funcOffset=0x000071C0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _std::alloc::default_alloc_error_hook
[ 83] funcOffset=0x00007290, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _rust_oom
[ 84] funcOffset=0x00007330, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) ___rdl_realloc
[ 85] funcOffset=0x000073E0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) ___rust_drop_panic
[ 86] funcOffset=0x00007420, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _std::panicking::default_hook
[ 87] funcOffset=0x000077F0, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::panicking::default_hook::{{closure}}
[ 88] funcOffset=0x00007A70, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::panicking::panic_count::is_zero_slow_path
[ 89] funcOffset=0x00007B50, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::panicking::begin_panic_fmt
[ 90] funcOffset=0x00007B90, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _rust_begin_unwind
[ 91] funcOffset=0x00007C30, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _<std::panicking::begin_panic_handler::PanicPayload as core::panic::BoxMeUp>::take_box
[ 92] funcOffset=0x00007DA0, encoding[ 5]=0x51020021 (rbp frame, at -16:rbx,r14 LSDA ) _<std::panicking::begin_panic_handler::PanicPayload as core::panic::BoxMeUp>::get
[ 93] funcOffset=0x00007EA0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::panicking::begin_panic
[ 94] funcOffset=0x00007ED0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<std::panicking::begin_panic::PanicPayload<A> as core::panic::BoxMeUp>::take_box
[ 95] funcOffset=0x00007F30, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<std::panicking::begin_panic::PanicPayload<A> as core::panic::BoxMeUp>::get
[ 96] funcOffset=0x00007F50, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _std::panicking::rust_panic_with_hook
[ 97] funcOffset=0x00008120, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _rust_panic
[ 98] funcOffset=0x00008190, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::rt::lang_start_internal
[ 99] funcOffset=0x00008480, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<std::ffi::c_str::NulError as core::fmt::Debug>::fmt
[100] funcOffset=0x000084F0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::sys::unix::os::error_string
[101] funcOffset=0x000085F0, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _std::sys::unix::stack_overflow::imp::signal_handler
[102] funcOffset=0x00008840, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _std::sys::unix::stack_overflow::imp::make_handler
[103] funcOffset=0x00008940, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<std::sys::unix::stdio::Stderr as std::io::Write>::is_write_vectored
[104] funcOffset=0x00008950, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _std::sys::unix::thread_local_dtor::register_dtor
[105] funcOffset=0x00008AF0, encoding[ 6]=0x510558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 LSDA ) _std::sys::unix::thread_local_dtor::register_dtor::run_dtors
[106] funcOffset=0x00008C30, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _std::sys::unix::decode_error_kind
[107] funcOffset=0x00008DB0, encoding[ 8]=0x51030161 (rbp frame, at -24:rbx,r14,r15 LSDA ) _core::ptr::drop_in_place
[108] funcOffset=0x00008E30, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _alloc::alloc::box_free
[109] funcOffset=0x00008E70, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _panic_unwind::dwarf::eh::read_encoded_pointer
[110] funcOffset=0x00009040, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) ___rust_panic_cleanup
[111] funcOffset=0x00009120, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _panic_unwind::real_imp::panic::exception_cleanup
[112] funcOffset=0x00009160, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _rust_eh_personality
[113] funcOffset=0x00009490, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<&T as core::fmt::Display>::fmt
[114] funcOffset=0x00009510, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _<*mut T as core::fmt::Debug>::fmt
[115] funcOffset=0x00009580, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _backtrace::backtrace::Frame::ip
[116] funcOffset=0x000095A0, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _backtrace::symbolize::Symbol::name
[117] funcOffset=0x000098B0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _backtrace::symbolize::SymbolName::as_str
[118] funcOffset=0x00009910, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _backtrace::print::BacktraceFmt::new
[119] funcOffset=0x00009950, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _backtrace::print::BacktraceFrameFmt::symbol
[120] funcOffset=0x0000A100, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<backtrace::print::BacktraceFrameFmt as core::ops::drop::Drop>::drop
[121] funcOffset=0x0000A110, encoding[ 10]=0x51010001 (rbp frame, at -8:rbx LSDA ) _backtrace::backtrace::libunwind::trace::trace_fn
[122] funcOffset=0x0000A160, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<backtrace::symbolize::SymbolName as core::fmt::Display>::fmt
[123] funcOffset=0x0000A260, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _backtrace::symbolize::libbacktrace::error_cb
[124] funcOffset=0x0000A270, encoding[ 9]=0x51040B11 (rbp frame, at -32:rbx,r12,r14,r15 LSDA ) _backtrace::symbolize::libbacktrace::syminfo_cb
[125] funcOffset=0x0000A350, encoding[ 10]=0x51010001 (rbp frame, at -8:rbx LSDA ) _backtrace::symbolize::libbacktrace::pcinfo_cb
[126] funcOffset=0x0000A3B0, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _backtrace::symbolize::libbacktrace::resolve
[127] funcOffset=0x0000A580, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _backtrace::symbolize::libbacktrace::resolve::{{closure}}
[128] funcOffset=0x0000A5A0, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) ___rdos_backtrace_alloc
[129] funcOffset=0x0000A5F0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) ___rdos_backtrace_free
[130] funcOffset=0x0000A600, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_vector_grow
[131] funcOffset=0x0000A6C0, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) ___rdos_backtrace_vector_finish
[132] funcOffset=0x0000A7B0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_dwarf_add
[133] funcOffset=0x0000CA80, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _unit_addrs_compare
[134] funcOffset=0x0000CAD0, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _read_uint64
[135] funcOffset=0x0000CBD0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _find_address_ranges
[136] funcOffset=0x0000D6C0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _abbrev_compare
[137] funcOffset=0x0000D6E0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _read_attribute
[138] funcOffset=0x000128D0, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _add_unit_addr
[139] funcOffset=0x00012970, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _dwarf_lookup_pc
[140] funcOffset=0x00012FF0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _unit_addrs_search
[141] funcOffset=0x00013010, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _read_line_info
[142] funcOffset=0x00015ED0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _line_search
[143] funcOffset=0x00015F10, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _report_inlined_functions
[144] funcOffset=0x00016040, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _line_compare
[145] funcOffset=0x00016070, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _read_line_header_format_entries
[146] funcOffset=0x00017750, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _function_addrs_compare
[147] funcOffset=0x00017790, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _read_referenced_name_from_attr
[148] funcOffset=0x00017960, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _read_referenced_name
[149] funcOffset=0x00017EE0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _units_search
[150] funcOffset=0x00017F00, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_pcinfo
[151] funcOffset=0x00018230, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) ___rdos_backtrace_open
[152] funcOffset=0x000182A0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) ___rdos_backtrace_close
[153] funcOffset=0x000182E0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_qsort
[154] funcOffset=0x00018AB0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) ___rdos_backtrace_create_state
[155] funcOffset=0x00018B30, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_get_view
[156] funcOffset=0x00018C50, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) ___rdos_backtrace_release_view
[157] funcOffset=0x00018C90, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_backtrace_initialize
[158] funcOffset=0x00018E80, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _macho_nodebug
[159] funcOffset=0x00018EA0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) ___rdos_macho_add
[160] funcOffset=0x00019D60, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _macho_nosyms
[161] funcOffset=0x00019D80, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _macho_add_fat
[162] funcOffset=0x0001A1D0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _macho_symbol_compare
[163] funcOffset=0x0001A2D0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<core::str::Split<P> as core::iter::traits::iterator::Iterator>::next
[164] funcOffset=0x0001B630, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _rustc_demangle::v0::Parser::ident
[165] funcOffset=0x0001B8A0, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _rustc_demangle::v0::Parser::skip_path
[166] funcOffset=0x0001BE70, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _rustc_demangle::v0::Parser::skip_type
[167] funcOffset=0x0001C4A0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _rustc_demangle::v0::Parser::skip_const
[168] funcOffset=0x0001C670, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _rustc_demangle::v0::Printer::print_lifetime_from_index
[169] funcOffset=0x0001C740, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _rustc_demangle::v0::Printer::print_path
[170] funcOffset=0x0001CFF0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _rustc_demangle::v0::Printer::print_generic_arg
[171] funcOffset=0x0001D100, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _rustc_demangle::v0::Printer::print_type
[172] funcOffset=0x0001E060, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _rustc_demangle::v0::Printer::print_path_maybe_open_generics
[173] funcOffset=0x0001E270, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _rustc_demangle::v0::Printer::print_dyn_trait
[174] funcOffset=0x0001F6E0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _rustc_demangle::try_demangle
[175] funcOffset=0x0001F750, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _rustc_demangle::Demangle::as_str
[176] funcOffset=0x0001F760, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<rustc_demangle::Demangle as core::fmt::Debug>::fmt
[177] funcOffset=0x0001F800, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _alloc::alloc::handle_alloc_error
[178] funcOffset=0x0001F880, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _core::num::from_str_radix
[179] funcOffset=0x0001F9F0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<core::ops::range::Range<Idx> as core::fmt::Debug>::fmt
[180] funcOffset=0x0001FA70, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<T as core::any::Any>::type_id
[181] funcOffset=0x0001FE30, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<core::fmt::builders::PadAdapter as core::fmt::Write>::write_str
[182] funcOffset=0x000201F0, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _core::fmt::builders::DebugStruct::finish
[183] funcOffset=0x00020250, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _core::fmt::builders::DebugTuple::field
[184] funcOffset=0x00020380, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _core::fmt::builders::DebugTuple::finish
[185] funcOffset=0x00020400, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _core::fmt::builders::DebugInner::entry
[186] funcOffset=0x00020510, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _core::fmt::builders::DebugSet::entry
[187] funcOffset=0x00020530, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::fmt::builders::DebugList::finish
[188] funcOffset=0x00020850, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _core::fmt::write
[189] funcOffset=0x00020FE0, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _core::fmt::Formatter::pad_integral::write_prefix
[190] funcOffset=0x00021040, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _core::fmt::Formatter::pad
[191] funcOffset=0x00021620, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::fmt::Formatter::write_str
[192] funcOffset=0x000216D0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _core::fmt::Formatter::debug_struct
[193] funcOffset=0x00021700, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _core::fmt::Formatter::debug_tuple
[194] funcOffset=0x00021750, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _core::fmt::Formatter::debug_list
[195] funcOffset=0x00021790, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<core::fmt::Formatter as core::fmt::Write>::write_char
[196] funcOffset=0x000217B0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<str as core::fmt::Debug>::fmt
[197] funcOffset=0x00021C60, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<str as core::fmt::Display>::fmt
[198] funcOffset=0x00021C80, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<char as core::fmt::Debug>::fmt
[199] funcOffset=0x00021F90, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<char as core::fmt::Display>::fmt
[200] funcOffset=0x000223B0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _core::str::pattern::StrSearcher::new
[201] funcOffset=0x00022C10, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::str::lossy::Utf8Lossy::from_bytes
[202] funcOffset=0x00022C30, encoding[ 4]=0x01040B11 (rbp frame, at -32:rbx,r12,r14,r15 ) _<core::str::lossy::Utf8LossyChunksIter as core::iter::traits::iterator::Iterator>::next
[203] funcOffset=0x000230C0, encoding[ 1]=0x010558D1 (rbp frame, at -40:rbx,r12,r13,r14,r15 ) _<core::str::lossy::Utf8Lossy as core::fmt::Display>::fmt
[204] funcOffset=0x000231B0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::str::Utf8Error::valid_up_to
[205] funcOffset=0x000231D0, encoding[ 7]=0x01030161 (rbp frame, at -24:rbx,r14,r15 ) _core::str::from_utf8
[206] funcOffset=0x00023450, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::str::traits::<impl core::slice::SliceIndex<str> for core::ops::range::Range<usize>>::index::{{closure}}
[207] funcOffset=0x00023840, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _core::unicode::printable::is_printable
[208] funcOffset=0x00023AE0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::num::<impl u32>::from_str_radix
[209] funcOffset=0x00023B70, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<core::num::ParseIntError as core::fmt::Debug>::fmt
[210] funcOffset=0x00023C20, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::fmt::num::<impl core::fmt::Debug for usize>::fmt
[211] funcOffset=0x00024110, encoding[ 2]=0x01010001 (rbp frame, at -8:rbx ) _core::fmt::num::imp::<impl core::fmt::Display for i32>::fmt
[212] funcOffset=0x00024250, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::fmt::num::imp::<impl core::fmt::Display for u32>::fmt
[213] funcOffset=0x000246D0, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<&T as core::fmt::Debug>::fmt
[214] funcOffset=0x000247C0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _<&T as core::fmt::Debug>::fmt
[215] funcOffset=0x00024810, encoding[ 3]=0x01020021 (rbp frame, at -16:rbx,r14 ) _<core::str::Utf8Error as core::fmt::Debug>::fmt
[216] funcOffset=0x000248E0, encoding[ 0]=0x01000000 (rbp frame, no saved registers ) _core::unicode::unicode_data::cc::lookup