276 lines
20 KiB
Go
276 lines
20 KiB
Go
package wasmdebug_test
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/tetratelabs/wazero/api"
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"github.com/tetratelabs/wazero/internal/testing/dwarftestdata"
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"github.com/tetratelabs/wazero/internal/testing/hammer"
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"github.com/tetratelabs/wazero/internal/testing/require"
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"github.com/tetratelabs/wazero/internal/wasm"
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"github.com/tetratelabs/wazero/internal/wasm/binary"
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)
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func TestDWARFLines_Line_Zig(t *testing.T) {
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mod, err := binary.DecodeModule(dwarftestdata.ZigWasm, api.CoreFeaturesV2, wasm.MemoryLimitPages, false, true, false)
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require.NoError(t, err)
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require.NotNil(t, mod.DWARFLines)
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// codeSecStart is the beginning of the code section in the Wasm binary.
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// If dwarftestdata.ZigWasm has been changed, we need to inspect by `wasm-tools objdump`.
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const codeSecStart = 0x46
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// These cases are crafted by matching the stack trace result from wasmtime. To verify, run:
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//
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// WASMTIME_BACKTRACE_DETAILS=1 wasmtime run internal/testing/dwarftestdata/testdata/zig/main.wasm
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//
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// And this should produce the output as:
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//
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// Caused by:
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// 0: failed to invoke command default
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// 1: error while executing at wasm backtrace:
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// 0: 0xa9 - builtin.default_panic
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// at /Users/adrian/Downloads/zig-macos-aarch64-0.11.0-dev.3334+cd1417dbd/lib/std/builtin.zig:889:17
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// 1: 0x6b - main.inlined_b
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// at /Users/adrian/oss/wazero/internal/testing/dwarftestdata/testdata/zig/main.zig:10:5 - main.inlined_a
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// at /Users/adrian/oss/wazero/internal/testing/dwarftestdata/testdata/zig/main.zig:6:5 - main.main
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// at /Users/adrian/oss/wazero/internal/testing/dwarftestdata/testdata/zig/main.zig:2:5
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// 2: 0xb0 - start.callMain
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// at /Users/adrian/Downloads/zig-macos-aarch64-0.11.0-dev.3334+cd1417dbd/lib/std/start.zig:609:37 - _start
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// at /Users/adrian/Downloads/zig-macos-aarch64-0.11.0-dev.3334+cd1417dbd/lib/std/start.zig:224:5
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// 2: wasm trap: wasm `unreachable` instruction executed
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for _, tc := range []struct {
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offset uint64
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exp []string
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}{
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{offset: 0xa9 - codeSecStart, exp: []string{
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"lib/std/builtin.zig:889:17",
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}},
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{offset: 0x6b - codeSecStart, exp: []string{
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"zig/main.zig:10:5 (inlined)",
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"zig/main.zig:6:5 (inlined)",
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"zig/main.zig:2:5",
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}},
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{offset: 0xb0 - codeSecStart, exp: []string{
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"lib/std/start.zig:609:37 (inlined)",
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"lib/std/start.zig:224:5",
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}},
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} {
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tc := tc
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t.Run(fmt.Sprintf("%#x/%s", tc.offset, tc.exp), func(t *testing.T) {
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// Ensures that DWARFLines.Line is goroutine-safe.
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hammer.NewHammer(t, 100, 5).Run(func(p, n int) {
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actual := mod.DWARFLines.Line(tc.offset)
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require.Equal(t, len(tc.exp), len(actual))
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for i := range tc.exp {
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require.Contains(t, actual[i], tc.exp[i])
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}
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}, nil)
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})
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}
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}
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func TestDWARFLines_Line_Rust(t *testing.T) {
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if len(dwarftestdata.RustWasm) == 0 {
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t.Skip()
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}
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mod, err := binary.DecodeModule(dwarftestdata.RustWasm, api.CoreFeaturesV2, wasm.MemoryLimitPages, false, true, false)
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require.NoError(t, err)
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require.NotNil(t, mod.DWARFLines)
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// codeSecStart is the beginning of the code section in the Wasm binary.
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// If dwarftestdata.RustWasm has been changed, we need to inspect by `wasm-tools objdump`.
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const codeSecStart = 0x309
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// These cases are crafted by matching the stack trace result from wasmtime. To verify, run:
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//
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// WASMTIME_BACKTRACE_DETAILS=1 wasmtime run internal/testing/dwarftestdata/testdata/rust/main.wasm
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//
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// And this should produce the output as:
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// Caused by:
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// 0: failed to invoke command default
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// 1: error while executing at wasm backtrace:
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// 0: 0xc77d - core::ptr::const_ptr::<impl *const T>::offset::ha55096d7e14d75d8
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/index.rs:286:39 - core::ptr::const_ptr::<impl *const T>::add::h089d5a72f68a4291
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/const_ptr.rs:870:18 - <core::ops::range::Range<usize> as core::slice::index::SliceIndex<[T]>>::get_unchecked::h29ddcf1882fa0f66
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/index.rs:286:39 - <core::ops::range::RangeFrom<usize> as core::slice::index::SliceIndex<[T]>>::get_unchecked::h75ebc890f16858ff
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/mod.rs:1630:46 - core::slice::<impl [T]>::get_unchecked::h6278e5a065ea078a
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/mod.rs:405:20 - core::slice::<impl [T]>::split_at_unchecked::h88a6f1e7c576a79c
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/mod.rs:1630:46 - core::slice::<impl [T]>::split_at::h68e6904057100aef
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/mod.rs:1548:18 - <core::slice::iter::Chunks<T> as core::iter::traits::iterator::Iterator>::next::h9e3ea1e50ad1cfcf
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/iter.rs:1478:30 - core::str::count::do_count_chars::h124622240ac1fb8b
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/count.rs:74:18
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// 1: 0xa701 - core::str::validations::utf8_acc_cont_byte::hb47c34b8c4cbf06b
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/validations.rs:57:19 - core::str::validations::next_code_point::hbb42fe8b8fcbddc3
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/validations.rs:57:19 - <core::str::iter::Chars as core::iter::traits::iterator::Iterator>::next::h2dc4678e3c0bda18
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/iter.rs:140:15 - <core::str::iter::CharIndices as core::iter::traits::iterator::Iterator>::next::h430b9a1b0d2fcfcd
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/iter.rs:140:15 - core::iter::traits::iterator::Iterator::advance_by::hadbf2e62b9ea873e
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/traits/iterator.rs:330:13 - core::iter::traits::iterator::Iterator::nth::h68978ac344a2c26f
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/traits/iterator.rs:377:9 - core::fmt::Formatter::pad::hc91f9fb3fb51f81f
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1455:35
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// 2: 0x45e8 - alloc::alloc::dealloc::hde3d57428722ee9b
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/alloc/src/alloc.rs:244:22 - <alloc::alloc::Global as core::alloc::Allocator>::deallocate::h9c672f23742d6fbc
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/alloc/src/alloc.rs:244:22 - alloc::alloc::box_free::hd090040c59659308
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/alloc/src/alloc.rs:342:9 - core::ptr::drop_in_place<alloc::boxed::Box<std::io::error::Custom>>::h3d2c76e2b4a26668
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/mod.rs:487:1 - core::ptr::drop_in_place<std::io::error::ErrorData<alloc::boxed::Box<std::io::error::Custom>>>::hcaa143fc963fdc85
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/mod.rs:487:1 - core::ptr::drop_in_place<std::io::error::repr_unpacked::Repr>::hf8eda15dbd953cd1
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/mod.rs:487:1 - core::ptr::drop_in_place<std::io::error::Error>::ha50d906acd95a768
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/mod.rs:487:1 - core::ptr::drop_in_place<core::result::Result<(),std::io::error::Error>>::h1a246d5cbc0481cf
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/ptr/mod.rs:487:1 - core::mem::drop::h37b541d3c993930c
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/std/src/panicking.rs:292:17 - std::panicking::default_hook::{{closure}}::h78d75d30689791e7
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/std/src/panicking.rs:292:17
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// 3: 0xad95 - core::fmt::ArgumentV1::as_usize::h1da6b057d1a7dc54
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:362:12 - core::fmt::getcount::h8c5d6b3aea75a2d3
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1257:22 - core::fmt::run::h78a98448d78ecec3
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1235:21 - core::fmt::write::h5471a2341ce22f17
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1214:26
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// 4: 0xc44d - core::fmt::Write::write_fmt::h4a7e084f8beacf08
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:188:26
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// 5: 0xbae8 - core::fmt::Formatter::write_str::hc634aaecc183d175
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1629:9 - core::fmt::builders::DebugStruct::finish_non_exhaustive::{{closure}}::h51dc89dce87b7120
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/builders.rs:199:17 - core::result::Result<T,E>::and_then::hea34a5d4dd616ad6
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/result.rs:1352:22 - core::fmt::builders::DebugStruct::finish_non_exhaustive::h87daf5524c71dda9
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/builders.rs:187:23
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// 6: 0xc046 - core::fmt::Formatter::pad_integral::ha8bb3db77298fecc
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1384:17
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// 7: 0xb035 - core::slice::memchr::memchr_general_case::hb481b2edf3b1871e
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/slice/memchr.rs
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// 8: 0xc06a - core::fmt::Formatter::pad_integral::ha8bb3db77298fecc
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs
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// 9: 0xc09e - core::fmt::Formatter::padding::h4b882ffb39d00a12
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1504:35 - core::fmt::Formatter::pad_integral::ha8bb3db77298fecc
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1407:36
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// 10: 0xb1a3 - <core::panic::location::Location as core::fmt::Display>::fmt::hf3870c0af6a67fac
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/panic/location.rs:196:6
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// 11: 0x8ee0 - <unknown>!std::rt::lang_start_internal::h3c39e5d3c278a90f
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// 12: 0xae9d - core::fmt::write::h5471a2341ce22f17
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:1226:2
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// 13: 0xc3b7 - core::char::methods::encode_utf8_raw::h700e7a293d6eb2b7
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/char/methods.rs:1677:13 - core::char::methods::<impl char>::encode_utf8::h641f2d1d001008d5
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:165:24 - core::fmt::Write::write_char::ha951e2975b9730c3
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:165:24
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// 14: 0xc418 - core::fmt::Write::write_fmt::h4a7e084f8beacf08
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/fmt/mod.rs:187
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// 15: 0xc6e7 - core::iter::traits::iterator::Iterator::fold::h99ed29c108afc948
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/traits/iterator.rs:2414:21 - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::ha5be3bb1eeeaf8fe
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/adapters/map.rs:124:9 - <usize as core::iter::traits::accum::Sum>::sum::h00b4d0c0300e94a9
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/traits/accum.rs:42:17 - core::iter::traits::iterator::Iterator::sum::h04374b17d4abbea5
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/iter/traits/iterator.rs:3347:9 - <core::iter::adapters::filter::Filter<I,P> as core::iter::traits::iterator::Iterator>::count::h5c8b4c5e67e6831c
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/count.rs:135:5 - core::str::count::char_count_general_case::hfffa06842344b9fe
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/count.rs:135:5 - core::str::count::do_count_chars::h124622240ac1fb8b
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// at /rustc/c396bb3b8a16b1f2762b7c6078dc3e023f6a2493/library/core/src/str/count.rs:71:21
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for _, tc := range []struct {
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offset uint64
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exp []string
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}{
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{offset: 0xc77d - codeSecStart, exp: []string{
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"/library/core/src/slice/index.rs:286:39",
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"/library/core/src/ptr/const_ptr.rs:870:18",
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"/library/core/src/slice/index.rs:286:39",
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"/library/core/src/slice/mod.rs:1630:46",
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"/library/core/src/slice/mod.rs:405:20",
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"/library/core/src/slice/mod.rs:1630:46",
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"/library/core/src/slice/mod.rs:1548:18",
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"/library/core/src/slice/iter.rs:1478:30",
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"/library/core/src/str/count.rs:74:18",
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}},
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{offset: 0xc06a - codeSecStart, exp: []string{"/library/core/src/fmt/mod.rs"}},
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{offset: 0xc6e7 - codeSecStart, exp: []string{
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"/library/core/src/iter/traits/iterator.rs:2414:21",
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"/library/core/src/iter/adapters/map.rs:124:9",
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"/library/core/src/iter/traits/accum.rs:42:17",
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"/library/core/src/iter/traits/iterator.rs:3347:9",
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"/library/core/src/str/count.rs:135:5",
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"/library/core/src/str/count.rs:135:5",
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"/library/core/src/str/count.rs:71:21",
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}},
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} {
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tc := tc
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t.Run(fmt.Sprintf("%#x/%s", tc.offset, tc.exp), func(t *testing.T) {
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actual := mod.DWARFLines.Line(tc.offset)
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require.Equal(t, len(tc.exp), len(actual))
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for i := range tc.exp {
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require.Contains(t, actual[i], tc.exp[i])
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}
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})
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}
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}
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func TestDWARFLines_Line_TinyGo(t *testing.T) {
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mod, err := binary.DecodeModule(dwarftestdata.TinyGoWasm, api.CoreFeaturesV2, wasm.MemoryLimitPages, false, true, false)
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require.NoError(t, err)
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require.NotNil(t, mod.DWARFLines)
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// codeSecStart is the beginning of the code section in the Wasm binary.
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// If dwarftestdata.TinyGoWasm has been changed, we need to inspect by `wasm-tools objdump`.
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const codeSecStart = 0x16f
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// These cases are crafted by matching the stack trace result from wasmtime. To verify, run:
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//
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// WASMTIME_BACKTRACE_DETAILS=1 wasmtime run internal/testing/dwarftestdata/testdata/tinygo/main.wasm
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//
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// And this should produce the output as:
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//
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// Caused by:
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// 0: failed to invoke command default
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// 1: error while executing at wasm backtrace:
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// 0: 0x1a62 - runtime.abort
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// at /Users/mathetake/Downloads/tinygo/src/runtime/runtime_tinygowasm.go:70:6 - runtime._panic
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// at /Users/mathetake/Downloads/tinygo/src/runtime/panic.go:52:7
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// 1: 0x3168 - main.c
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// at /Users/mathetake/Downloads/tinygo/tmo/main.go:16:7
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// 2: 0x3106 - main.b
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// at /Users/mathetake/Downloads/tinygo/tmo/main.go:12:3
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// 3: 0x30a8 - main.a
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// at /Users/mathetake/Downloads/tinygo/tmo/main.go:8:3
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// 4: 0x22b8 - main.main
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// at /Users/mathetake/Downloads/tinygo/tmo/main.go:4:3
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// 5: 0x213a - runtime.run$1
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// at /Users/mathetake/Downloads/tinygo/src/runtime/scheduler_any.go:25:11
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// 6: 0x85f - <goroutine wrapper>
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// at /Users/mathetake/Downloads/tinygo/src/runtime/scheduler_any.go:23:2
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// 7: 0x192 - tinygo_launch
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// at /Users/mathetake/Downloads/tinygo/src/internal/task/task_asyncify_wasm.S:59
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// 8: 0x2033 - (*internal/task.Task).Resume
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// at /Users/mathetake/Downloads/tinygo/src/internal/task/task_asyncify.go:109:17 - runtime.scheduler
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// at /Users/mathetake/Downloads/tinygo/src/runtime/scheduler.go:236:11
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// 9: 0x1f01 - runtime.run
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// at /Users/mathetake/Downloads/tinygo/src/runtime/scheduler_any.go:28:11
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// 10: 0x1e81 - _start
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// at /Users/mathetake/Downloads/tinygo/src/runtime/runtime_wasm_wasi.go:21:5
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for _, tc := range []struct {
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offset uint64
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exp []string
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}{
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{offset: 0x1e81 - codeSecStart, exp: []string{"runtime/runtime_wasm_wasi.go:21:5"}},
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{offset: 0x1f01 - codeSecStart, exp: []string{"runtime/scheduler_any.go:28:11"}},
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{offset: 0x2033 - codeSecStart, exp: []string{
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"internal/task/task_asyncify.go:109:17",
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"runtime/scheduler.go:236:11",
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}},
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{offset: 0x192 - codeSecStart, exp: []string{"internal/task/task_asyncify_wasm.S:59"}},
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{offset: 0x85f - codeSecStart, exp: []string{"runtime/scheduler_any.go:23:2"}},
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{offset: 0x213a - codeSecStart, exp: []string{"runtime/scheduler_any.go:25:11"}},
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{offset: 0x22b8 - codeSecStart, exp: []string{"main.go:4:3"}},
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{offset: 0x30a8 - codeSecStart, exp: []string{"main.go:8:3"}},
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{offset: 0x3106 - codeSecStart, exp: []string{"main.go:12:3"}},
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{offset: 0x3168 - codeSecStart, exp: []string{"main.go:16:7"}},
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// Note(important): this case is different from the output of Wasmtime, which produces the incorrect inline info (panic.go:52:7).
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// Actually, "runtime_tinygowasm.go:70:6" invokes trap() which is translated as "unreachable" instruction by LLVM, so there won't be
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// any inlined function invocation here.
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{offset: 0x1a62 - codeSecStart, exp: []string{"runtime/runtime_tinygowasm.go:70:6"}},
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} {
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tc := tc
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t.Run(fmt.Sprintf("%#x/%s", tc.offset, tc.exp), func(t *testing.T) {
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actual := mod.DWARFLines.Line(tc.offset)
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require.Equal(t, len(tc.exp), len(actual), "\nexp: %s\ngot: %s", strings.Join(tc.exp, "\n"), strings.Join(actual, "\n"))
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for i := range tc.exp {
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require.Contains(t, actual[i], tc.exp[i])
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}
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})
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}
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}
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