https://github.com/bassiounix updated https://github.com/llvm/llvm-project/pull/163316
>From cbc97af08677be32cdec2c69ba63b2611b2057a6 Mon Sep 17 00:00:00 2001 From: bassiounix <[email protected]> Date: Tue, 14 Oct 2025 06:45:09 +0300 Subject: [PATCH] [libc][annex_k] Add libc_constraint_handler macros. --- libc/src/__support/annex_k/CMakeLists.txt | 9 ++++ .../src/__support/annex_k/constraint_macros.h | 44 +++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 libc/src/__support/annex_k/constraint_macros.h diff --git a/libc/src/__support/annex_k/CMakeLists.txt b/libc/src/__support/annex_k/CMakeLists.txt index 8eb65f2469b4f..4ef4e32ebdd85 100644 --- a/libc/src/__support/annex_k/CMakeLists.txt +++ b/libc/src/__support/annex_k/CMakeLists.txt @@ -11,6 +11,15 @@ add_header_library( libc.src.stdlib.abort ) +add_header_library( + constraint_macros + HDRS + constraint_macros.h + DEPENDS + .libc_constraint_handler + libc.src.__support.libc_errno +) + add_header_library( libc_constraint_handler HDRS diff --git a/libc/src/__support/annex_k/constraint_macros.h b/libc/src/__support/annex_k/constraint_macros.h new file mode 100644 index 0000000000000..835c161dd0d30 --- /dev/null +++ b/libc/src/__support/annex_k/constraint_macros.h @@ -0,0 +1,44 @@ +//===-- Helper macros header for constraint violations ----------*- C++ -*-===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIBC_SRC___SUPPORT_ANNEX_K_MACROS_H +#define LLVM_LIBC_SRC___SUPPORT_ANNEX_K_MACROS_H + +#include "libc_constraint_handler.h" +#include "src/__support/libc_errno.h" + +#define _CONSTRAINT_VIOLATION(msg, error_code, ret_code) \ + { \ + libc_errno = error_code; \ + libc_constraint_handler(msg, nullptr, error_code); \ + return ret_code; \ + } + +#define _CONSTRAINT_VIOLATION_IF(expr, error_code, return_code) \ + { \ + auto expr_val = expr; \ + if (expr_val) { \ + libc_errno = error_code; \ + libc_constraint_handler(nullptr, nullptr, error_code); \ + return return_code; \ + } \ + } + +#define _CONSTRAINT_VIOLATION_CLEANUP_IF(expr, cleanup, error_code, \ + return_code) \ + { \ + auto expr_val = expr; \ + if (expr_val) { \ + cleanup; \ + libc_errno = error_code; \ + libc_constraint_handler(nullptr, nullptr, error_code); \ + return return_code; \ + } \ + } + +#endif // LLVM_LIBC_SRC___SUPPORT_ANNEX_K_MACROS_H _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
