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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - tools/perf/util/llvm-utils.h
2 * Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
3 * Copyright (C) 2015, Huawei Inc.
11 /* Path of clang executable */
12 const char *clang_path
;
14 * Template of clang bpf compiling. 5 env variables
16 * $CLANG_EXEC: Path to clang.
17 * $CLANG_OPTIONS: Extra options to clang.
18 * $KERNEL_INC_OPTIONS: Kernel include directories.
19 * $WORKING_DIR: Kernel source directory.
20 * $CLANG_SOURCE: Source file to be compiled.
22 const char *clang_bpf_cmd_template
;
23 /* Will be filled in $CLANG_OPTIONS */
24 const char *clang_opt
;
25 /* Where to find kbuild system */
26 const char *kbuild_dir
;
28 * Arguments passed to make, like 'ARCH=arm' if doing cross
29 * compiling. Should not be used for dynamic compiling.
31 const char *kbuild_opts
;
33 * Default is false. If set to true, write compiling result
38 * Default is false. If one of the above fields is set by user
39 * explicitly then user_set_llvm is set to true. This is used
40 * for perf test. If user doesn't set anything in .perfconfig
41 * and clang is not found, don't trigger llvm test.
46 extern struct llvm_param llvm_param
;
47 int perf_llvm_config(const char *var
, const char *value
);
49 int llvm__compile_bpf(const char *path
, void **p_obj_buf
, size_t *p_obj_buf_sz
);
51 /* This function is for test__llvm() use only */
52 int llvm__search_clang(void);
54 /* Following functions are reused by builtin clang support */
55 void llvm__get_kbuild_opts(char **kbuild_dir
, char **kbuild_include_opts
);
56 int llvm__get_nr_cpus(void);
58 void llvm__dump_obj(const char *path
, void *obj_buf
, size_t size
);