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aa61fd05 WN |
1 | /* |
2 | * Copyright (C) 2015, Wang Nan <wangnan0@huawei.com> | |
3 | * Copyright (C) 2015, Huawei Inc. | |
4 | */ | |
5 | #ifndef __LLVM_UTILS_H | |
6 | #define __LLVM_UTILS_H | |
7 | ||
8 | #include "debug.h" | |
9 | ||
10 | struct llvm_param { | |
11 | /* Path of clang executable */ | |
12 | const char *clang_path; | |
13 | /* | |
14 | * Template of clang bpf compiling. 5 env variables | |
15 | * can be used: | |
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. | |
21 | */ | |
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; | |
27 | /* | |
28 | * Arguments passed to make, like 'ARCH=arm' if doing cross | |
29 | * compiling. Should not be used for dynamic compiling. | |
30 | */ | |
31 | const char *kbuild_opts; | |
f0784649 WN |
32 | /* |
33 | * Default is false. If set to true, write compiling result | |
34 | * to object file. | |
35 | */ | |
36 | bool dump_obj; | |
9bc898c7 WN |
37 | /* |
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. | |
42 | */ | |
43 | bool user_set_param; | |
aa61fd05 WN |
44 | }; |
45 | ||
46 | extern struct llvm_param llvm_param; | |
3938bad4 | 47 | int perf_llvm_config(const char *var, const char *value); |
4cea3a9c | 48 | |
3938bad4 | 49 | int llvm__compile_bpf(const char *path, void **p_obj_buf, size_t *p_obj_buf_sz); |
9bc898c7 WN |
50 | |
51 | /* This function is for test__llvm() use only */ | |
3938bad4 | 52 | int llvm__search_clang(void); |
aa61fd05 | 53 | #endif |