diff options
Diffstat (limited to 'compiler-rt/lib/builtins/int_util.c')
-rw-r--r-- | compiler-rt/lib/builtins/int_util.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/int_util.c b/compiler-rt/lib/builtins/int_util.c new file mode 100644 index 000000000000..226a6e93440d --- /dev/null +++ b/compiler-rt/lib/builtins/int_util.c @@ -0,0 +1,67 @@ +//===-- int_util.c - Implement internal utilities -------------------------===// +// +// 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 "int_lib.h" + +// NOTE: The definitions in this file are declared weak because we clients to be +// able to arbitrarily package individual functions into separate .a files. If +// we did not declare these weak, some link situations might end up seeing +// duplicate strong definitions of the same symbol. +// +// We can't use this solution for kernel use (which may not support weak), but +// currently expect that when built for kernel use all the functionality is +// packaged into a single library. + +#ifdef KERNEL_USE + +NORETURN extern void panic(const char *, ...); +#ifndef _WIN32 +__attribute__((visibility("hidden"))) +#endif +void __compilerrt_abort_impl(const char *file, int line, const char *function) { + panic("%s:%d: abort in %s", file, line, function); +} + +#elif __APPLE__ + +// from libSystem.dylib +NORETURN extern void __assert_rtn(const char *func, const char *file, int line, + const char *message); + +#ifndef _WIN32 +__attribute__((weak)) +__attribute__((visibility("hidden"))) +#endif +void __compilerrt_abort_impl(const char *file, int line, const char *function) { + __assert_rtn(function, file, line, "libcompiler_rt abort"); +} + +#elif __Fuchsia__ + +#ifndef _WIN32 +__attribute__((weak)) +__attribute__((visibility("hidden"))) +#endif +void __compilerrt_abort_impl(const char *file, int line, const char *function) { + __builtin_trap(); +} + +#else + +// Get the system definition of abort() +#include <stdlib.h> + +#ifndef _WIN32 +__attribute__((weak)) +__attribute__((visibility("hidden"))) +#endif +void __compilerrt_abort_impl(const char *file, int line, const char *function) { + abort(); +} + +#endif |