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/*
* Copyright (C) 2015, Wang Nan <wangnan0@huawei.com>
* Copyright (C) 2015, Huawei Inc.
*/
#include <stdio.h>
#include "util.h"
#include "debug.h"
#include "llvm-utils.h"
#include "cache.h"
#define CLANG_BPF_CMD_DEFAULT_TEMPLATE \
"$CLANG_EXEC -D__KERNEL__ $CLANG_OPTIONS " \
"$KERNEL_INC_OPTIONS -Wno-unused-value " \
"-Wno-pointer-sign -working-directory " \
"$WORKING_DIR -c \"$CLANG_SOURCE\" -target bpf -O2 -o -"
struct llvm_param llvm_param = {
.clang_path = "clang",
.clang_bpf_cmd_template = CLANG_BPF_CMD_DEFAULT_TEMPLATE,
.clang_opt = NULL,
.kbuild_dir = NULL,
.kbuild_opts = NULL,
};
int perf_llvm_config(const char *var, const char *value)
{
if (prefixcmp(var, "llvm."))
return 0;
var += sizeof("llvm.") - 1;
if (!strcmp(var, "clang-path"))
llvm_param.clang_path = strdup(value);
else if (!strcmp(var, "clang-bpf-cmd-template"))
llvm_param.clang_bpf_cmd_template = strdup(value);
else if (!strcmp(var, "clang-opt"))
llvm_param.clang_opt = strdup(value);
else if (!strcmp(var, "kbuild-dir"))
llvm_param.kbuild_dir = strdup(value);
else if (!strcmp(var, "kbuild-opts"))
llvm_param.kbuild_opts = strdup(value);
else
return -1;
return 0;
}
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