06fca841fb
Use the compiler-defined __BYTE_ORDER__ instead of the libc-defined __BYTE_ORDER for consistency. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211026010831.748682-4-iii@linux.ibm.com
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
{
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"check bpf_perf_event_data->sample_period byte load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 7),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period half load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 6),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period word load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 4),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period dword load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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