| // Copyright 2025 The IREE Authors |
| // |
| // Licensed 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 |
| |
| // Compile-time configuration for libbacktrace. |
| // Based on Bazel Central Registry's approach - no autotools needed. |
| // https://github.com/bazelbuild/bazel-central-registry/tree/main/modules/libbacktrace |
| |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| #include <stdint.h> |
| |
| // ELF word size detection. |
| #if UINTPTR_MAX == 0xffffffff |
| #define BACKTRACE_ELF_SIZE 32 |
| #ifdef __i386__ |
| #define HAVE_ATOMIC_FUNCTIONS 1 |
| #define HAVE_SYNC_FUNCTIONS 1 |
| #endif |
| #else |
| #if UINTPTR_MAX != 0xffffffffffffffffULL |
| #error bad elf word size!? |
| #endif |
| #define BACKTRACE_ELF_SIZE 64 |
| #define HAVE_ATOMIC_FUNCTIONS 1 |
| #define HAVE_SYNC_FUNCTIONS 1 |
| #endif |
| |
| // Platform detection. |
| #if defined __ELF__ |
| // dl_iterate_phdr availability detected at CMake configure time. |
| // This allows proper cross-compilation support for embedded Linux targets |
| // where the libc may not provide this function (e.g., newlib, minimal uclibc). |
| @LIBBACKTRACE_DL_ITERATE_PHDR_DEF@ |
| @LIBBACKTRACE_LINK_H_DEF@ |
| |
| // FreeBSD-specific features. |
| #if defined __has_include |
| #if __has_include(<sys/sysctl.h>) |
| #include <sys/sysctl.h> |
| #if defined KERN_PROC |
| #define HAVE_KERN_PROC 1 |
| #endif |
| #if defined KERN_PROC_ARGS |
| #define HAVE_KERN_PROC_ARGS 1 |
| #endif |
| #endif |
| #endif |
| |
| #elif defined __MACH__ |
| #define HAVE_MACH_O_DYLD_H 1 |
| #else |
| #error This code only supports ELF (Linux) or Mach-O (macOS) |
| #endif |
| |
| // Standard POSIX features available on Linux/macOS. |
| #define HAVE_FCNTL 1 |
| #define HAVE_LSTAT 1 |
| #define HAVE_MEMORY_H 1 |
| #define HAVE_READLINK 1 |
| #define HAVE_CLOCK_GETTIME 1 |
| #define HAVE_DECL_GETPAGESIZE 1 |
| #define HAVE_DECL_STRNLEN 1 |
| #define HAVE_DECL__PGMPTR 0 |
| #define HAVE_DLFCN_H 1 |
| #define HAVE_GETIPINFO 1 |
| #define HAVE_INTTYPES_H 1 |
| #define HAVE_STDINT_H 1 |
| #define HAVE_STDLIB_H 1 |
| #define HAVE_STRINGS_H 1 |
| #define HAVE_STRING_H 1 |
| #define HAVE_SYS_MMAN_H 1 |
| #define HAVE_SYS_STAT_H 1 |
| #define HAVE_SYS_TYPES_H 1 |
| #define HAVE_UNISTD_H 1 |
