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In line with similar support for other architectures by Daniel Borkmann. 'MOD Default X' from test_bpf without constant blinding: 84 bytes emitted from JIT compiler (pass:3, flen:7) d0000000058a4688 + <x>: 0: nop 4: nop 8: std r27,-40(r1) c: std r28,-32(r1) 10: xor r8,r8,r8 14: xor r28,r28,r28 18: mr r27,r3 1c: li r8,66 20: cmpwi r28,0 24: bne 0x0000000000000030 28: li r8,0 2c: b 0x0000000000000044 30: divwu r9,r8,r28 34: mullw r9,r28,r9 38: subf r8,r9,r8 3c: rotlwi r8,r8,0 40: li r8,66 44: ld r27,-40(r1) 48: ld r28,-32(r1) 4c: mr r3,r8 50: blr ... and with constant blinding: 140 bytes emitted from JIT compiler (pass:3, flen:11) d00000000bd6ab24 + <x>: 0: nop 4: nop 8: std r27,-40(r1) c: std r28,-32(r1) 10: xor r8,r8,r8 14: xor r28,r28,r28 18: mr r27,r3 1c: lis r2,-22834 20: ori r2,r2,36083 24: rotlwi r2,r2,0 28: xori r2,r2,36017 2c: xoris r2,r2,42702 30: rotlwi r2,r2,0 34: mr r8,r2 38: rotlwi r8,r8,0 3c: cmpwi r28,0 40: bne 0x000000000000004c 44: li r8,0 48: b 0x000000000000007c 4c: divwu r9,r8,r28 50: mullw r9,r28,r9 54: subf r8,r9,r8 58: rotlwi r8,r8,0 5c: lis r2,-17137 60: ori r2,r2,39065 64: rotlwi r2,r2,0 68: xori r2,r2,39131 6c: xoris r2,r2,48399 70: rotlwi r2,r2,0 74: mr r8,r2 78: rotlwi r8,r8,0 7c: ld r27,-40(r1) 80: ld r28,-32(r1) 84: mr r3,r8 88: blr Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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| .. | ||
| bpf_jit32.h | ||
| bpf_jit64.h | ||
| bpf_jit_asm64.S | ||
| bpf_jit_asm.S | ||
| bpf_jit_comp64.c | ||
| bpf_jit_comp.c | ||
| bpf_jit.h | ||
| Makefile | ||