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Allow external access to `abi::shared`, but mark it as hidden. This allows `sys` to meddle with the native abi but re-use `abi::shared`. Signed-off-by: David Rheinsberg <david@readahead.eu>
Add the Sys-V ABI of Aarch64. Signed-off-by: David Rheinsberg <david@readahead.eu>
Use the canonical name `target` rather than the otherwise unused term `auto` to refer to the compilation target platform. Signed-off-by: David Rheinsberg <david@readahead.eu>
Extend the wishlist with a new item for documentation of re-exports of other modules. So far, rustdoc does not allow documenting them, yet the way our platform aliases work would really benefit from documentation on re-exports. Signed-off-by: David Rheinsberg <david@readahead.eu>
Rework the sys::ffi file-system layout and platform generation. This makes it a lot easier to add new platforms, and no longer requires patching multiple places. This also adds aarch64 support, showing how new platforms can be easily added. Signed-off-by: David Rheinsberg <david@readahead.eu>
Fix a couple of rustdoc references, which are either redundant, unresolved, or not available in no_std. Signed-off-by: David Rheinsberg <david@readahead.eu>
Use a proper module doc header. Signed-off-by: David Rheinsberg <david@readahead.eu>
Add sys::ffi::elf with common definitions of the executable and linkable format. Signed-off-by: David Rheinsberg <david@readahead.eu>
Avoid comparing alignments of foreign types against libc. The types in `libc` are not correctly aligned, unless they a native to the target platform. Hence, only compare alignment for native types. Signed-off-by: David Rheinsberg <david@readahead.eu>
Fix the alignment of i128 and u128 to 16 for i686. This was already fixed for x86-64, but not for x86 proper. This changed semi-recently in rustc and now matches the respective ABI. Unfortunately, x86 does not define 128-bit integers in its ABI and likely never will. But all compilers now agree to use 16-byte alignment for them, given that 128-bit floating points do so on x86. Signed-off-by: David Rheinsberg <david@readahead.eu>
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Rework the ffi layout of sys::ffi, and add an elf module to show how this is supposed to work.