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now it's smarter about omitting tls stuff if there end up being no
TLS data sections
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fix calculation of alignment and size
include __tls_align and __tls_size globals along with __tls_base
include them only if the TLS segment is emitted
add missing reloc logic for memory_addr_tls_sleb
fix name of data segments to include only the prefix
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Certain symbols were left unmarked, meaning they would not be emit into
the final binary incorrectly. We now mark the synthetic symbols to ensure
they are emit as they are already created under the circumstance they're
needed for. This also re-enables disabled tests that were left disabled
in a previous merge conflict.
Lastly, this adds the shared-memory test to the test harnass as it was
previously forgotten and therefore regressed.
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Introduce the concept of "target query" and "resolved target". A target
query is what the user specifies, with some things left to default. A
resolved target has the default things discovered and populated.
In the future, std.zig.CrossTarget will be rename to std.Target.Query.
Introduces `std.Build.resolveTargetQuery` to get from one to the other.
The concept of `main_mod_path` is gone, no longer supported. You have to
put the root source file at the module root now.
* remove deprecated API
* update build.zig for the breaking API changes in this branch
* move std.Build.Step.Compile.BuildId to std.zig.BuildId
* add more options to std.Build.ExecutableOptions, std.Build.ObjectOptions,
std.Build.SharedLibraryOptions, std.Build.StaticLibraryOptions, and
std.Build.TestOptions.
* remove `std.Build.constructCMacro`. There is no use for this API.
* deprecate `std.Build.Step.Compile.defineCMacro`. Instead,
`std.Build.Module.addCMacro` is provided.
- remove `std.Build.Step.Compile.defineCMacroRaw`.
* deprecate `std.Build.Step.Compile.linkFrameworkNeeded`
- use `std.Build.Module.linkFramework`
* deprecate `std.Build.Step.Compile.linkFrameworkWeak`
- use `std.Build.Module.linkFramework`
* move more logic into `std.Build.Module`
* allow `target` and `optimize` to be `null` when creating a Module.
Along with other fields, those unspecified options will be inherited
from parent `Module` when inserted into an import table.
* the `target` field of `addExecutable` is now required. pass `b.host`
to get the host target.
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This updates all linker tests to include `no_entry` as well as changes
all tests to executable so they do not need to be updated later when
the in-house WebAssembly linker supports dynamic libraries.
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Previously, they were only created when we had any TLS segment.
This meant that while the symbol existed, the global itself wouldn't.
The result of this was a crash during symbol names writing as it
would attempt to write the symbol name of a global that didn't exist.
Now we always create them, and instead update its `init` value during
`setupMemory`.
In the future, the entire symbol (and global) will be removed by
the garbage collector.
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