Commit 85ff8a43 authored by Yang Shi's avatar Yang Shi Committed by David S. Miller
Browse files

bpf: sample: define aarch64 specific registers 



Define aarch64 specific registers for building bpf samples correctly.

Signed-off-by: default avatarYang Shi <yang.shi@linaro.org>
Acked-by: default avatarAlexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 20986ed8

samples/bpf/bpf_helpers.h

+12 −0
Original line number Diff line number Diff line
@@ -86,5 +86,17 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag 
#define PT_REGS_RC(x) ((x)->gprs[2])

#define PT_REGS_SP(x) ((x)->gprs[15])



#elif defined(__aarch64__)



#define PT_REGS_PARM1(x) ((x)->regs[0])

#define PT_REGS_PARM2(x) ((x)->regs[1])

#define PT_REGS_PARM3(x) ((x)->regs[2])

#define PT_REGS_PARM4(x) ((x)->regs[3])

#define PT_REGS_PARM5(x) ((x)->regs[4])

#define PT_REGS_RET(x) ((x)->regs[30])

#define PT_REGS_FP(x) ((x)->regs[29]) /* Works only with CONFIG_FRAME_POINTER */

#define PT_REGS_RC(x) ((x)->regs[0])

#define PT_REGS_SP(x) ((x)->sp)



#endif

#endif