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selftests/bpf: sync kernel headers and introduce arch support in Makefile
Synchronize the uapi kernel header files which solves the broken uapi export of pt_regs. Because of arch-specific uapi headers, extended the include path in the Makefile. With this change, the test_verifier program compiles and runs successfully on s390. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Hendrik Brueckner
Daniel Borkmann
parent
62e1dfa3e1
commit
618e165b2a
9
tools/arch/arm64/include/uapi/asm/bpf_perf_event.h
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9
tools/arch/arm64/include/uapi/asm/bpf_perf_event.h
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@ -0,0 +1,9 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__
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#define _UAPI__ASM_BPF_PERF_EVENT_H__
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#include <asm/ptrace.h>
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typedef struct user_pt_regs bpf_user_pt_regs_t;
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#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */
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9
tools/arch/s390/include/uapi/asm/bpf_perf_event.h
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9
tools/arch/s390/include/uapi/asm/bpf_perf_event.h
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__
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#define _UAPI__ASM_BPF_PERF_EVENT_H__
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#include <asm/ptrace.h>
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typedef user_pt_regs bpf_user_pt_regs_t;
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#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */
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457
tools/arch/s390/include/uapi/asm/ptrace.h
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457
tools/arch/s390/include/uapi/asm/ptrace.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* S390 version
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* Copyright IBM Corp. 1999, 2000
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* Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
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*/
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#ifndef _UAPI_S390_PTRACE_H
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#define _UAPI_S390_PTRACE_H
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/*
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* Offsets in the user_regs_struct. They are used for the ptrace
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* system call and in entry.S
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*/
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#ifndef __s390x__
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#define PT_PSWMASK 0x00
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#define PT_PSWADDR 0x04
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#define PT_GPR0 0x08
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#define PT_GPR1 0x0C
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#define PT_GPR2 0x10
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#define PT_GPR3 0x14
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#define PT_GPR4 0x18
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#define PT_GPR5 0x1C
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#define PT_GPR6 0x20
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#define PT_GPR7 0x24
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#define PT_GPR8 0x28
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#define PT_GPR9 0x2C
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#define PT_GPR10 0x30
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#define PT_GPR11 0x34
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#define PT_GPR12 0x38
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#define PT_GPR13 0x3C
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#define PT_GPR14 0x40
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#define PT_GPR15 0x44
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#define PT_ACR0 0x48
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#define PT_ACR1 0x4C
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#define PT_ACR2 0x50
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#define PT_ACR3 0x54
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#define PT_ACR4 0x58
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#define PT_ACR5 0x5C
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#define PT_ACR6 0x60
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#define PT_ACR7 0x64
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#define PT_ACR8 0x68
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#define PT_ACR9 0x6C
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#define PT_ACR10 0x70
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#define PT_ACR11 0x74
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#define PT_ACR12 0x78
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#define PT_ACR13 0x7C
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#define PT_ACR14 0x80
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#define PT_ACR15 0x84
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#define PT_ORIGGPR2 0x88
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#define PT_FPC 0x90
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/*
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* A nasty fact of life that the ptrace api
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* only supports passing of longs.
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*/
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#define PT_FPR0_HI 0x98
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#define PT_FPR0_LO 0x9C
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#define PT_FPR1_HI 0xA0
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#define PT_FPR1_LO 0xA4
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#define PT_FPR2_HI 0xA8
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#define PT_FPR2_LO 0xAC
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#define PT_FPR3_HI 0xB0
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#define PT_FPR3_LO 0xB4
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#define PT_FPR4_HI 0xB8
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#define PT_FPR4_LO 0xBC
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#define PT_FPR5_HI 0xC0
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#define PT_FPR5_LO 0xC4
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#define PT_FPR6_HI 0xC8
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#define PT_FPR6_LO 0xCC
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#define PT_FPR7_HI 0xD0
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#define PT_FPR7_LO 0xD4
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#define PT_FPR8_HI 0xD8
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#define PT_FPR8_LO 0XDC
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#define PT_FPR9_HI 0xE0
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#define PT_FPR9_LO 0xE4
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#define PT_FPR10_HI 0xE8
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#define PT_FPR10_LO 0xEC
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#define PT_FPR11_HI 0xF0
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#define PT_FPR11_LO 0xF4
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#define PT_FPR12_HI 0xF8
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#define PT_FPR12_LO 0xFC
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#define PT_FPR13_HI 0x100
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#define PT_FPR13_LO 0x104
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#define PT_FPR14_HI 0x108
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#define PT_FPR14_LO 0x10C
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#define PT_FPR15_HI 0x110
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#define PT_FPR15_LO 0x114
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#define PT_CR_9 0x118
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#define PT_CR_10 0x11C
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#define PT_CR_11 0x120
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#define PT_IEEE_IP 0x13C
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#define PT_LASTOFF PT_IEEE_IP
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#define PT_ENDREGS 0x140-1
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#define GPR_SIZE 4
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#define CR_SIZE 4
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#define STACK_FRAME_OVERHEAD 96 /* size of minimum stack frame */
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#else /* __s390x__ */
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#define PT_PSWMASK 0x00
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#define PT_PSWADDR 0x08
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#define PT_GPR0 0x10
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#define PT_GPR1 0x18
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#define PT_GPR2 0x20
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#define PT_GPR3 0x28
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#define PT_GPR4 0x30
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#define PT_GPR5 0x38
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#define PT_GPR6 0x40
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#define PT_GPR7 0x48
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#define PT_GPR8 0x50
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#define PT_GPR9 0x58
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#define PT_GPR10 0x60
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#define PT_GPR11 0x68
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#define PT_GPR12 0x70
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#define PT_GPR13 0x78
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#define PT_GPR14 0x80
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#define PT_GPR15 0x88
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#define PT_ACR0 0x90
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#define PT_ACR1 0x94
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#define PT_ACR2 0x98
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#define PT_ACR3 0x9C
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#define PT_ACR4 0xA0
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#define PT_ACR5 0xA4
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#define PT_ACR6 0xA8
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#define PT_ACR7 0xAC
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#define PT_ACR8 0xB0
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#define PT_ACR9 0xB4
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#define PT_ACR10 0xB8
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#define PT_ACR11 0xBC
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#define PT_ACR12 0xC0
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#define PT_ACR13 0xC4
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#define PT_ACR14 0xC8
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#define PT_ACR15 0xCC
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#define PT_ORIGGPR2 0xD0
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#define PT_FPC 0xD8
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#define PT_FPR0 0xE0
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#define PT_FPR1 0xE8
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#define PT_FPR2 0xF0
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#define PT_FPR3 0xF8
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#define PT_FPR4 0x100
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#define PT_FPR5 0x108
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#define PT_FPR6 0x110
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#define PT_FPR7 0x118
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#define PT_FPR8 0x120
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#define PT_FPR9 0x128
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#define PT_FPR10 0x130
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#define PT_FPR11 0x138
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#define PT_FPR12 0x140
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#define PT_FPR13 0x148
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#define PT_FPR14 0x150
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#define PT_FPR15 0x158
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#define PT_CR_9 0x160
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#define PT_CR_10 0x168
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#define PT_CR_11 0x170
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#define PT_IEEE_IP 0x1A8
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#define PT_LASTOFF PT_IEEE_IP
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#define PT_ENDREGS 0x1B0-1
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#define GPR_SIZE 8
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#define CR_SIZE 8
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#define STACK_FRAME_OVERHEAD 160 /* size of minimum stack frame */
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#endif /* __s390x__ */
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#define NUM_GPRS 16
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#define NUM_FPRS 16
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#define NUM_CRS 16
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#define NUM_ACRS 16
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#define NUM_CR_WORDS 3
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#define FPR_SIZE 8
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#define FPC_SIZE 4
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#define FPC_PAD_SIZE 4 /* gcc insists on aligning the fpregs */
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#define ACR_SIZE 4
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#define PTRACE_OLDSETOPTIONS 21
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#ifndef __ASSEMBLY__
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#include <linux/stddef.h>
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#include <linux/types.h>
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typedef union {
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float f;
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double d;
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__u64 ui;
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struct
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{
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__u32 hi;
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__u32 lo;
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} fp;
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} freg_t;
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typedef struct {
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__u32 fpc;
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__u32 pad;
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freg_t fprs[NUM_FPRS];
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} s390_fp_regs;
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#define FPC_EXCEPTION_MASK 0xF8000000
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#define FPC_FLAGS_MASK 0x00F80000
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#define FPC_DXC_MASK 0x0000FF00
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#define FPC_RM_MASK 0x00000003
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/* this typedef defines how a Program Status Word looks like */
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typedef struct {
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unsigned long mask;
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unsigned long addr;
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} __attribute__ ((aligned(8))) psw_t;
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#ifndef __s390x__
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#define PSW_MASK_PER 0x40000000UL
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#define PSW_MASK_DAT 0x04000000UL
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#define PSW_MASK_IO 0x02000000UL
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#define PSW_MASK_EXT 0x01000000UL
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#define PSW_MASK_KEY 0x00F00000UL
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#define PSW_MASK_BASE 0x00080000UL /* always one */
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#define PSW_MASK_MCHECK 0x00040000UL
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#define PSW_MASK_WAIT 0x00020000UL
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#define PSW_MASK_PSTATE 0x00010000UL
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#define PSW_MASK_ASC 0x0000C000UL
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#define PSW_MASK_CC 0x00003000UL
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#define PSW_MASK_PM 0x00000F00UL
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#define PSW_MASK_RI 0x00000000UL
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#define PSW_MASK_EA 0x00000000UL
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#define PSW_MASK_BA 0x00000000UL
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#define PSW_MASK_USER 0x0000FF00UL
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#define PSW_ADDR_AMODE 0x80000000UL
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#define PSW_ADDR_INSN 0x7FFFFFFFUL
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#define PSW_DEFAULT_KEY (((unsigned long) PAGE_DEFAULT_ACC) << 20)
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#define PSW_ASC_PRIMARY 0x00000000UL
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#define PSW_ASC_ACCREG 0x00004000UL
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#define PSW_ASC_SECONDARY 0x00008000UL
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#define PSW_ASC_HOME 0x0000C000UL
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#else /* __s390x__ */
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#define PSW_MASK_PER 0x4000000000000000UL
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#define PSW_MASK_DAT 0x0400000000000000UL
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#define PSW_MASK_IO 0x0200000000000000UL
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#define PSW_MASK_EXT 0x0100000000000000UL
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#define PSW_MASK_BASE 0x0000000000000000UL
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#define PSW_MASK_KEY 0x00F0000000000000UL
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#define PSW_MASK_MCHECK 0x0004000000000000UL
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#define PSW_MASK_WAIT 0x0002000000000000UL
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#define PSW_MASK_PSTATE 0x0001000000000000UL
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#define PSW_MASK_ASC 0x0000C00000000000UL
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#define PSW_MASK_CC 0x0000300000000000UL
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#define PSW_MASK_PM 0x00000F0000000000UL
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#define PSW_MASK_RI 0x0000008000000000UL
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#define PSW_MASK_EA 0x0000000100000000UL
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#define PSW_MASK_BA 0x0000000080000000UL
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#define PSW_MASK_USER 0x0000FF0180000000UL
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#define PSW_ADDR_AMODE 0x0000000000000000UL
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#define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL
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#define PSW_DEFAULT_KEY (((unsigned long) PAGE_DEFAULT_ACC) << 52)
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#define PSW_ASC_PRIMARY 0x0000000000000000UL
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#define PSW_ASC_ACCREG 0x0000400000000000UL
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#define PSW_ASC_SECONDARY 0x0000800000000000UL
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#define PSW_ASC_HOME 0x0000C00000000000UL
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#endif /* __s390x__ */
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/*
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* The s390_regs structure is used to define the elf_gregset_t.
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*/
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typedef struct {
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psw_t psw;
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unsigned long gprs[NUM_GPRS];
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unsigned int acrs[NUM_ACRS];
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unsigned long orig_gpr2;
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} s390_regs;
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/*
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* The user_pt_regs structure exports the beginning of
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* the in-kernel pt_regs structure to user space.
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*/
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typedef struct {
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unsigned long args[1];
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psw_t psw;
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unsigned long gprs[NUM_GPRS];
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} user_pt_regs;
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/*
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* Now for the user space program event recording (trace) definitions.
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* The following structures are used only for the ptrace interface, don't
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* touch or even look at it if you don't want to modify the user-space
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* ptrace interface. In particular stay away from it for in-kernel PER.
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*/
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typedef struct {
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unsigned long cr[NUM_CR_WORDS];
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} per_cr_words;
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#define PER_EM_MASK 0xE8000000UL
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typedef struct {
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#ifdef __s390x__
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unsigned : 32;
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#endif /* __s390x__ */
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unsigned em_branching : 1;
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unsigned em_instruction_fetch : 1;
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/*
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* Switching on storage alteration automatically fixes
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* the storage alteration event bit in the users std.
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*/
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unsigned em_storage_alteration : 1;
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unsigned em_gpr_alt_unused : 1;
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unsigned em_store_real_address : 1;
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unsigned : 3;
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unsigned branch_addr_ctl : 1;
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unsigned : 1;
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unsigned storage_alt_space_ctl : 1;
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unsigned : 21;
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unsigned long starting_addr;
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unsigned long ending_addr;
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} per_cr_bits;
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typedef struct {
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unsigned short perc_atmid;
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unsigned long address;
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unsigned char access_id;
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} per_lowcore_words;
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typedef struct {
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unsigned perc_branching : 1;
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unsigned perc_instruction_fetch : 1;
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unsigned perc_storage_alteration : 1;
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unsigned perc_gpr_alt_unused : 1;
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unsigned perc_store_real_address : 1;
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unsigned : 3;
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unsigned atmid_psw_bit_31 : 1;
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unsigned atmid_validity_bit : 1;
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unsigned atmid_psw_bit_32 : 1;
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unsigned atmid_psw_bit_5 : 1;
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unsigned atmid_psw_bit_16 : 1;
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unsigned atmid_psw_bit_17 : 1;
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unsigned si : 2;
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unsigned long address;
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unsigned : 4;
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unsigned access_id : 4;
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} per_lowcore_bits;
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typedef struct {
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union {
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per_cr_words words;
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per_cr_bits bits;
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} control_regs;
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/*
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* The single_step and instruction_fetch bits are obsolete,
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* the kernel always sets them to zero. To enable single
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* stepping use ptrace(PTRACE_SINGLESTEP) instead.
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*/
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unsigned single_step : 1;
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unsigned instruction_fetch : 1;
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unsigned : 30;
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/*
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* These addresses are copied into cr10 & cr11 if single
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* stepping is switched off
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*/
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unsigned long starting_addr;
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unsigned long ending_addr;
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union {
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per_lowcore_words words;
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per_lowcore_bits bits;
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} lowcore;
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} per_struct;
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typedef struct {
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unsigned int len;
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unsigned long kernel_addr;
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unsigned long process_addr;
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} ptrace_area;
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/*
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* S/390 specific non posix ptrace requests. I chose unusual values so
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* they are unlikely to clash with future ptrace definitions.
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*/
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#define PTRACE_PEEKUSR_AREA 0x5000
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#define PTRACE_POKEUSR_AREA 0x5001
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#define PTRACE_PEEKTEXT_AREA 0x5002
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#define PTRACE_PEEKDATA_AREA 0x5003
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#define PTRACE_POKETEXT_AREA 0x5004
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#define PTRACE_POKEDATA_AREA 0x5005
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#define PTRACE_GET_LAST_BREAK 0x5006
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#define PTRACE_PEEK_SYSTEM_CALL 0x5007
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#define PTRACE_POKE_SYSTEM_CALL 0x5008
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#define PTRACE_ENABLE_TE 0x5009
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#define PTRACE_DISABLE_TE 0x5010
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#define PTRACE_TE_ABORT_RAND 0x5011
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/*
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* The numbers chosen here are somewhat arbitrary but absolutely MUST
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* not overlap with any of the number assigned in <linux/ptrace.h>.
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*/
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#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
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/*
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* PT_PROT definition is loosely based on hppa bsd definition in
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* gdb/hppab-nat.c
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*/
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#define PTRACE_PROT 21
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typedef enum {
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ptprot_set_access_watchpoint,
|
||||
ptprot_set_write_watchpoint,
|
||||
ptprot_disable_watchpoint
|
||||
} ptprot_flags;
|
||||
|
||||
typedef struct {
|
||||
unsigned long lowaddr;
|
||||
unsigned long hiaddr;
|
||||
ptprot_flags prot;
|
||||
} ptprot_area;
|
||||
|
||||
/* Sequence of bytes for breakpoint illegal instruction. */
|
||||
#define S390_BREAKPOINT {0x0,0x1}
|
||||
#define S390_BREAKPOINT_U16 ((__u16)0x0001)
|
||||
#define S390_SYSCALL_OPCODE ((__u16)0x0a00)
|
||||
#define S390_SYSCALL_SIZE 2
|
||||
|
||||
/*
|
||||
* The user_regs_struct defines the way the user registers are
|
||||
* store on the stack for signal handling.
|
||||
*/
|
||||
struct user_regs_struct {
|
||||
psw_t psw;
|
||||
unsigned long gprs[NUM_GPRS];
|
||||
unsigned int acrs[NUM_ACRS];
|
||||
unsigned long orig_gpr2;
|
||||
s390_fp_regs fp_regs;
|
||||
/*
|
||||
* These per registers are in here so that gdb can modify them
|
||||
* itself as there is no "official" ptrace interface for hardware
|
||||
* watchpoints. This is the way intel does it.
|
||||
*/
|
||||
per_struct per_info;
|
||||
unsigned long ieee_instruction_pointer; /* obsolete, always 0 */
|
||||
};
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
#endif /* _UAPI_S390_PTRACE_H */
|
||||
9
tools/include/uapi/asm-generic/bpf_perf_event.h
Normal file
9
tools/include/uapi/asm-generic/bpf_perf_event.h
Normal file
@ -0,0 +1,9 @@
|
||||
#ifndef _UAPI__ASM_GENERIC_BPF_PERF_EVENT_H__
|
||||
#define _UAPI__ASM_GENERIC_BPF_PERF_EVENT_H__
|
||||
|
||||
#include <linux/ptrace.h>
|
||||
|
||||
/* Export kernel pt_regs structure */
|
||||
typedef struct pt_regs bpf_user_pt_regs_t;
|
||||
|
||||
#endif /* _UAPI__ASM_GENERIC_BPF_PERF_EVENT_H__ */
|
||||
@ -1,3 +1,4 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
||||
/* Copyright (c) 2016 Facebook
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
@ -7,11 +8,10 @@
|
||||
#ifndef _UAPI__LINUX_BPF_PERF_EVENT_H__
|
||||
#define _UAPI__LINUX_BPF_PERF_EVENT_H__
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/ptrace.h>
|
||||
#include <asm/bpf_perf_event.h>
|
||||
|
||||
struct bpf_perf_event_data {
|
||||
struct pt_regs regs;
|
||||
bpf_user_pt_regs_t regs;
|
||||
__u64 sample_period;
|
||||
};
|
||||
|
||||
|
||||
@ -1,7 +1,19 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
ifeq ($(srctree),)
|
||||
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
|
||||
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
||||
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
||||
srctree := $(patsubst %/,%,$(dir $(srctree)))
|
||||
endif
|
||||
include $(srctree)/tools/scripts/Makefile.arch
|
||||
|
||||
$(call detected_var,SRCARCH)
|
||||
|
||||
LIBDIR := ../../../lib
|
||||
BPFDIR := $(LIBDIR)/bpf
|
||||
APIDIR := ../../../include/uapi
|
||||
ASMDIR:= ../../../arch/$(ARCH)/include/uapi
|
||||
GENDIR := ../../../../include/generated
|
||||
GENHDR := $(GENDIR)/autoconf.h
|
||||
|
||||
@ -9,7 +21,7 @@ ifneq ($(wildcard $(GENHDR)),)
|
||||
GENFLAGS := -DHAVE_GENHDR
|
||||
endif
|
||||
|
||||
CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
|
||||
CFLAGS += -Wall -O2 -I$(APIDIR) -I$(ASMDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
|
||||
LDLIBS += -lcap -lelf
|
||||
|
||||
TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user