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9301c5d613
These helpers are valuable and can be used outside. Signed-off-by: Stanislav Kinsburskiy <skinsbursky@virtuozzo.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
#ifndef UAPI_COMPEL_PTRACE_H__
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#define UAPI_COMPEL_PTRACE_H__
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/*
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* We'd want to include both sys/ptrace.h and linux/ptrace.h,
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* hoping that most definitions come from either one or another.
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* Alas, on Alpine/musl both files declare struct ptrace_peeksiginfo_args,
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* so there is no way they can be used together. Let's rely on libc one.
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*/
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#include <sys/ptrace.h>
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#include <compel/asm/breakpoints.h>
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/*
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* Some constants for ptrace that might be missing from the
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* standard library includes due to being (relatively) new.
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*/
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#ifndef PTRACE_SEIZE
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# define PTRACE_SEIZE 0x4206
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#endif
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#ifndef PTRACE_O_SUSPEND_SECCOMP
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# define PTRACE_O_SUSPEND_SECCOMP (1 << 21)
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#endif
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#ifndef PTRACE_INTERRUPT
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# define PTRACE_INTERRUPT 0x4207
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#endif
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#ifndef PTRACE_PEEKSIGINFO
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#define PTRACE_PEEKSIGINFO 0x4209
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/* Read signals from a shared (process wide) queue */
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#define PTRACE_PEEKSIGINFO_SHARED (1 << 0)
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#endif
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#ifndef PTRACE_GETREGSET
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# define PTRACE_GETREGSET 0x4204
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# define PTRACE_SETREGSET 0x4205
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#endif
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#ifndef PTRACE_GETSIGMASK
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# define PTRACE_GETSIGMASK 0x420a
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# define PTRACE_SETSIGMASK 0x420b
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#endif
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#ifndef PTRACE_SECCOMP_GET_FILTER
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#define PTRACE_SECCOMP_GET_FILTER 0x420c
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#endif
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#ifdef PTRACE_EVENT_STOP
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# if PTRACE_EVENT_STOP == 7 /* Bad value from Linux 3.1-3.3, fixed in 3.4 */
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# undef PTRACE_EVENT_STOP
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# endif
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#endif
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#ifndef PTRACE_EVENT_STOP
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# define PTRACE_EVENT_STOP 128
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#endif
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extern int ptrace_suspend_seccomp(pid_t pid);
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extern int ptrace_peek_area(pid_t pid, void *dst, void *addr, long bytes);
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extern int ptrace_poke_area(pid_t pid, void *src, void *addr, long bytes);
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extern int ptrace_swap_area(pid_t pid, void *dst, void *src, long bytes);
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#endif /* UAPI_COMPEL_PTRACE_H__ */
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