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1a92cc5a0a
Summary: This patch implements 'getenv'. I was torn on how to implement this, since realistically we only have access to this environment pointer in the "loader" interface. An alternative would be to use an RPC call every time, but I think that's overkill for what this will be used for. A better solution is just to emit a common `DataEnvironment` that contains all of the host visible resources to initialize. Right now this is the `env_ptr`, `clock_freq`, and `rpc_client`. I did this by making the `app.h` interface that Linux uses more general, could possibly move that into a separate patch, but I figured it's easier to see with the usage.
29 lines
817 B
C++
29 lines
817 B
C++
//===-- Classes to capture properites of GPU applications -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_CONFIG_GPU_APP_H
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#define LLVM_LIBC_CONFIG_GPU_APP_H
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#include "src/__support/macros/config.h"
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#include "src/__support/macros/properties/architectures.h"
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#include <stdint.h>
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namespace LIBC_NAMESPACE_DECL {
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// TODO: Move other global values here and export them to the host.
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struct DataEnvironment {
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uintptr_t *env_ptr;
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};
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extern DataEnvironment app;
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} // namespace LIBC_NAMESPACE_DECL
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#endif // LLVM_LIBC_CONFIG_GPU_APP_H
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