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91b875a5e4
A set of macros useful for writing naked BPF functions using inline assembly. E.g. as follows: struct map_struct { ... } map SEC(".maps"); SEC(...) __naked int foo_test(void) { asm volatile( "r0 = 0;" "*(u64*)(r10 - 8) = r0;" "r1 = %[map] ll;" "r2 = r10;" "r2 += -8;" "call %[bpf_map_lookup_elem];" "r0 = 0;" "exit;" : : __imm(bpf_map_lookup_elem), __imm_addr(map) : __clobber_all); } Acked-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> [ Kartikeya: Add acks, include __clobber_common from Andrii ] Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20230121002241.2113993-9-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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.. | ||
accounting | ||
arch | ||
bootconfig | ||
bpf | ||
build | ||
certs | ||
cgroup | ||
counter | ||
debugging | ||
edid | ||
firewire | ||
firmware | ||
gpio | ||
hv | ||
iio | ||
include | ||
io_uring | ||
kvm/kvm_stat | ||
laptop | ||
leds | ||
lib | ||
memory-model | ||
objtool | ||
pci | ||
pcmcia | ||
perf | ||
power | ||
rcu | ||
scripts | ||
spi | ||
testing | ||
thermal | ||
time | ||
tracing | ||
usb | ||
verification | ||
virtio | ||
vm | ||
wmi | ||
Makefile |