diff options
Diffstat (limited to 'arch/s390/net/bpf_jit.h')
| -rw-r--r-- | arch/s390/net/bpf_jit.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/arch/s390/net/bpf_jit.h b/arch/s390/net/bpf_jit.h deleted file mode 100644 index 7822ea92e54a..000000000000 --- a/arch/s390/net/bpf_jit.h +++ /dev/null @@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * BPF Jit compiler defines - * - * Copyright IBM Corp. 2012,2015 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - * Michael Holzheu <holzheu@linux.vnet.ibm.com> - */ - -#ifndef __ARCH_S390_NET_BPF_JIT_H -#define __ARCH_S390_NET_BPF_JIT_H - -#ifndef __ASSEMBLY__ - -#include <linux/filter.h> -#include <linux/types.h> - -#endif /* __ASSEMBLY__ */ - -/* - * Stackframe layout (packed stack): - * - * ^ high - * +---------------+ | - * | old backchain | | - * +---------------+ | - * | r15 - r6 | | - * +---------------+ | - * | 4 byte align | | - * | tail_call_cnt | | - * BFP -> +===============+ | - * | | | - * | BPF stack | | - * | | | - * R15+160 -> +---------------+ | - * | new backchain | | - * R15+152 -> +---------------+ | - * | + 152 byte SA | | - * R15 -> +---------------+ + low - * - * We get 160 bytes stack space from calling function, but only use - * 12 * 8 byte for old backchain, r15..r6, and tail_call_cnt. - * - * The stack size used by the BPF program ("BPF stack" above) is passed - * via "aux->stack_depth". - */ -#define STK_SPACE_ADD (160) -#define STK_160_UNUSED (160 - 12 * 8) -#define STK_OFF (STK_SPACE_ADD - STK_160_UNUSED) - -#define STK_OFF_R6 (160 - 11 * 8) /* Offset of r6 on stack */ -#define STK_OFF_TCCNT (160 - 12 * 8) /* Offset of tail_call_cnt on stack */ - -#endif /* __ARCH_S390_NET_BPF_JIT_H */ |