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/*
* Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
* Copyright (C) 2015, Huawei Inc.
*/
#ifndef __LLVM_UTILS_H
#define __LLVM_UTILS_H
#include "debug.h"
struct llvm_param {
/* Path of clang executable */
const char *clang_path;
/*
* Template of clang bpf compiling. 5 env variables
* can be used:
* $CLANG_EXEC: Path to clang.
* $CLANG_OPTIONS: Extra options to clang.
* $KERNEL_INC_OPTIONS: Kernel include directories.
* $WORKING_DIR: Kernel source directory.
* $CLANG_SOURCE: Source file to be compiled.
*/
const char *clang_bpf_cmd_template;
/* Will be filled in $CLANG_OPTIONS */
const char *clang_opt;
/* Where to find kbuild system */
const char *kbuild_dir;
/*
* Arguments passed to make, like 'ARCH=arm' if doing cross
* compiling. Should not be used for dynamic compiling.
*/
const char *kbuild_opts;
};
extern struct llvm_param llvm_param;
extern int perf_llvm_config(const char *var, const char *value);
#endif
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