linux_dsm_epyc7002/tools/perf/util/llvm-utils.h
Arnaldo Carvalho de Melo 3938bad44e perf tools: Remove needless 'extern' from function prototypes
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-w246stf7ponfamclsai6b9zo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-23 15:06:35 -03:00

49 lines
1.4 KiB
C

/*
* 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;
/*
* Default is false. If one of the above fields is set by user
* explicitly then user_set_llvm is set to true. This is used
* for perf test. If user doesn't set anything in .perfconfig
* and clang is not found, don't trigger llvm test.
*/
bool user_set_param;
};
extern struct llvm_param llvm_param;
int perf_llvm_config(const char *var, const char *value);
int llvm__compile_bpf(const char *path, void **p_obj_buf, size_t *p_obj_buf_sz);
/* This function is for test__llvm() use only */
int llvm__search_clang(void);
#endif