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43 lines
1.2 KiB
43 lines
1.2 KiB
// SPDX-License-Identifier: LGPL-2.1 |
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/* |
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* trace/beauty/kcmp.c |
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* |
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* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <[email protected]> |
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*/ |
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#include "trace/beauty/beauty.h" |
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#include <linux/kernel.h> |
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#include <sys/types.h> |
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#include <machine.h> |
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#include <uapi/linux/kcmp.h> |
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#include "trace/beauty/generated/kcmp_type_array.c" |
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size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg) |
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{ |
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unsigned long fd = arg->val; |
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int type = syscall_arg__val(arg, 2); |
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pid_t pid; |
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if (type != KCMP_FILE) |
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return syscall_arg__scnprintf_long(bf, size, arg); |
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pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */ |
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return pid__scnprintf_fd(arg->trace, pid, fd, bf, size); |
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} |
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static size_t kcmp__scnprintf_type(int type, char *bf, size_t size, bool show_prefix) |
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{ |
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static DEFINE_STRARRAY(kcmp_types, "KCMP_"); |
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return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", show_prefix, type); |
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} |
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size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg) |
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{ |
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unsigned long type = arg->val; |
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if (type != KCMP_FILE) |
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arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */ |
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return kcmp__scnprintf_type(type, bf, size, arg->show_string_prefix); |
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}
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