e6c401b5e8
This patch adds the initial support required to support basic priting in `stdio.h` via `puts` and `fputs`. This is done using the existing LLVM C library `File` API. In this sense we can think of the RPC interface as our system call to dump the character string to the file. We carry a `uintptr_t` reference as our native "file descriptor" as it will be used as an opaque reference to the host's version once functions like `fopen` are supported. For some unknown reason the declaration of the `StdIn` variable causes both the AMDGPU and NVPTX backends to crash if I use the `READ` flag. This is not used currently as we only support output now, but it needs to be fixed Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D151282
29 lines
526 B
TableGen
29 lines
526 B
TableGen
include "config/public_api.td"
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include "spec/stdc.td"
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def StringAPI : PublicAPI<"string.h"> {
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let Types = ["size_t"];
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}
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def StdlibAPI : PublicAPI<"stdlib.h"> {
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let Types = [
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"size_t",
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"__atexithandler_t",
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];
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}
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def FenvAPI: PublicAPI<"fenv.h"> {
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let Types = ["fenv_t"];
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}
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def StdIOAPI : PublicAPI<"stdio.h"> {
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let Macros = [
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SimpleMacroDef<"_IOFBF", "0">,
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SimpleMacroDef<"_IOLBF", "1">,
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SimpleMacroDef<"_IONBF", "2">,
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SimpleMacroDef<"EOF", "-1">,
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];
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let Types = ["size_t", "FILE"];
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}
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