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Abi.android on its own is not enough to know whether soft float or hard float
should be used. In the C world, androideabi is typically used for the soft float
case, so let's go with that.
Note that Android doesn't have a hard float ABI, so no androideabihf.
Closes #21488.
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netbsd fix:
- `Futex.zig:542:56: error: expected error union type, found 'c_int'`
openbsd fix:
- `emutls.zig:10:21: error: root struct of file 'os' has no member named 'abort'`
- `Thread.zig:627:22: error: expected 6 argument(s), found 5`
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- complete std.builtin.AtomicOrder renames that were missed from 6067d39522f
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Importantly, fixes incorrectly annotated types in `__aeabi_?2h`.
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Most of this migration was performed automatically with `zig fmt`. There
were a few exceptions which I had to manually fix:
* `@alignCast` and `@addrSpaceCast` cannot be automatically rewritten
* `@truncate`'s fixup is incorrect for vectors
* Test cases are not formatted, and their error locations change
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Now they use slices or array pointers with any element type instead of
requiring byte pointers.
This is a breaking enhancement to the language.
The safety check for overlapping pointers will be implemented in a
future commit.
closes #14040
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When we're compiling compiler_rt for any WebAssembly target, we do
not want to expose all the compiler-rt functions to the host runtime.
By setting the visibility of all exports to `hidden`, we allow the
linker to resolve the symbols during linktime, while not expose the
functions to the host runtime. This also means the linker can
properly garbage collect any compiler-rt function that does not get
resolved. The symbol visibility for all target remains the same as
before: `default`.
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These errdefer where never executed, while this didn't bother the stage1
compiler, it caused an error in stage2.
The fix is just removing those errdefer which doesn't change any
behaviour because they were never executed in the first place.
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Commit f14cc75 accidentally added a const when grepping for assignments
to `std.builtin.Type.StructField.default_value`, however when looking
into it further, I noticed that even though this default_value field is
emitted into the .data section, the value it points to is actually
emitted into the .rodata section, so it seems correct to use const here.
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If the type happens to be a pointer, then the double pointer will not
coerce implicitly.
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Finishes cleanups that I started in other commits in this branch.
* Use common.linkage for all exports instead of redoing the logic in
each file.
* Remove pointless `@setRuntimeSafety` calls.
* Avoid redundantly exporting multiple versions of functions. For
example, if PPC wants `ceilf128` then don't also export `ceilq`;
similarly if ARM wants `__aeabi_ddiv` then don't also export
`__divdf3`.
* Use `inline` for helper functions instead of making inline calls at
callsites.
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stage2: change logic for detecting whether the main package is inside
the std package. Previously it relied on realpath() which is not portable.
This uses resolve() which is how imports already work.
* stage2: fix cleanup bug when creating Module
* flatten lib/std/special/* to lib/*
- this was motivated by making main_pkg_is_inside_std false for
compiler_rt & friends.
* rename "mini libc" to "universal libc"
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