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[libc] Add wasm support for some submodules in llvm-libc. #154383

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Merged
merged 3 commits into from
Sep 4, 2025
+23 −1
Merged

[libc] Add wasm support for some submodules in llvm-libc. #154383

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7317d54
[libc] Add wasm support for some submodules in
google-yfyang Aug 19, 2025
da6f66b
Create an emscripten-specific platform errors.h
google-yfyang Aug 19, 2025
b5a9628
Remove emscripten specific error messages
google-yfyang Sep 3, 2025
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2 changes: 1 addition & 1 deletion libc/src/__support/StringUtil/platform_errors.h
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Expand Up @@ -9,7 +9,7 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_PLATFORM_ERRORS_H
#define LLVM_LIBC_SRC___SUPPORT_STRINGUTIL_PLATFORM_ERRORS_H

#if defined(__linux__) || defined(__Fuchsia__)
#if defined(__linux__) || defined(__Fuchsia__) || defined(__EMSCRIPTEN__)
#include "tables/linux_platform_errors.h"
#else
#include "tables/minimal_platform_errors.h"
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4 changes: 4 additions & 0 deletions libc/src/__support/macros/properties/architectures.h
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Expand Up @@ -41,6 +41,10 @@
#define LIBC_TARGET_ARCH_IS_ARM
#endif

#if defined(__wasm__)
#define LIBC_TARGET_ARCH_IS_WASM
#endif

#if defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
#define LIBC_TARGET_ARCH_IS_AARCH64
#endif
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18 changes: 18 additions & 0 deletions libc/src/setjmp/wasm/sigsetjmp.cpp
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@@ -0,0 +1,18 @@
//===-- Implementation of sigsetjmp ---------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "src/setjmp/sigsetjmp.h"
#include "hdr/offsetof_macros.h"
#include "src/__support/common.h"

namespace LIBC_NAMESPACE_DECL {
[[gnu::returns_twice]] int sigsetjmp(jmp_buf sigjmp_buf,
[[maybe_unused]] int savesigs) {
return setjmp(sigjmp_buf);
}
} // namespace LIBC_NAMESPACE_DECL
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