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