02e5d7d78e
This patch implements strace argument printing functionality for following syscalls:
* mlock, munlock, mlockall, munlockall - lock and unlock memory
int mlock(const void *addr, size_t len)
int munlock(const void *addr, size_t len)
int mlockall(int flags)
int munlockall(void)
man page: https://man7.org/linux/man-pages/man2/mlock.2.html
Implementation notes:
Syscall mlockall() takes an argument that is composed of predefined values
which represent flags that determine the type of locking operation that is
to be performed. For that reason, a printing function "print_mlockall" was
stated in file "strace.list". This printing function uses an already existing
function "print_flags()" to print the "flags" argument. These flags are stated
inside an array "mlockall_flags" that contains values of type "struct flags".
These values are instantiated using an existing macro "FLAG_TARGET()" that
crates aproppriate target flag values based on those defined in files
'/target_syscall.h'. These target flag values were changed from
"TARGET_MLOCKALL_MCL*" to "TARGET_MCL_*" so that they can be aproppriately set
and recognised in "strace.c" with "FLAG_TARGET()". Value for "MCL_ONFAULT"
was added in this patch. This value was also added in "syscall.c" in function
"target_to_host_mlockall_arg()". Because this flag value was added in kernel
version 4.4, it is enwrapped in an #ifdef directive (both in "syscall.c" and
in "strace.c") as to support older kernel versions.
The other syscalls have only primitive argument types, so the
rest of the implementation was handled by stating an appropriate
printing format in file "strace.list". Syscall mlock2() is not implemented in
"syscall.c" and thus it's argument printing is not implemented in this patch.
Signed-off-by: Filip Bozuta <Filip.Bozuta@syrmia.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200811164553.27713-4-Filip.Bozuta@syrmia.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
266 lines
6.4 KiB
C
266 lines
6.4 KiB
C
#ifndef ALPHA_TARGET_SYSCALL_H
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#define ALPHA_TARGET_SYSCALL_H
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/* default linux values for the selectors */
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#define __USER_DS (1)
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struct target_pt_regs {
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abi_ulong r0;
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abi_ulong r1;
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abi_ulong r2;
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abi_ulong r3;
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abi_ulong r4;
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abi_ulong r5;
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abi_ulong r6;
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abi_ulong r7;
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abi_ulong r8;
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abi_ulong r19;
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abi_ulong r20;
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abi_ulong r21;
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abi_ulong r22;
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abi_ulong r23;
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abi_ulong r24;
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abi_ulong r25;
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abi_ulong r26;
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abi_ulong r27;
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abi_ulong r28;
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abi_ulong hae;
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/* JRP - These are the values provided to a0-a2 by PALcode */
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abi_ulong trap_a0;
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abi_ulong trap_a1;
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abi_ulong trap_a2;
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/* These are saved by PAL-code: */
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abi_ulong ps;
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abi_ulong pc;
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abi_ulong gp;
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abi_ulong r16;
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abi_ulong r17;
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abi_ulong r18;
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/* Those is needed by qemu to temporary store the user stack pointer */
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abi_ulong usp;
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abi_ulong unique;
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};
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#define UNAME_MACHINE "alpha"
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#define UNAME_MINIMUM_RELEASE "2.6.32"
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#undef TARGET_EDEADLK
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#define TARGET_EDEADLK 11
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#undef TARGET_EAGAIN
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#define TARGET_EAGAIN 35
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#undef TARGET_EINPROGRESS
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#define TARGET_EINPROGRESS 36
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#undef TARGET_EALREADY
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#define TARGET_EALREADY 37
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#undef TARGET_ENOTSOCK
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#define TARGET_ENOTSOCK 38
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#undef TARGET_EDESTADDRREQ
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#define TARGET_EDESTADDRREQ 39
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#undef TARGET_EMSGSIZE
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#define TARGET_EMSGSIZE 40
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#undef TARGET_EPROTOTYPE
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#define TARGET_EPROTOTYPE 41
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#undef TARGET_ENOPROTOOPT
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#define TARGET_ENOPROTOOPT 42
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#undef TARGET_EPROTONOSUPPORT
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#define TARGET_EPROTONOSUPPORT 43
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#undef TARGET_ESOCKTNOSUPPORT
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#define TARGET_ESOCKTNOSUPPORT 44
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#undef TARGET_EOPNOTSUPP
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#define TARGET_EOPNOTSUPP 45
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#undef TARGET_EPFNOSUPPORT
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#define TARGET_EPFNOSUPPORT 46
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#undef TARGET_EAFNOSUPPORT
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#define TARGET_EAFNOSUPPORT 47
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#undef TARGET_EADDRINUSE
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#define TARGET_EADDRINUSE 48
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#undef TARGET_EADDRNOTAVAIL
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#define TARGET_EADDRNOTAVAIL 49
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#undef TARGET_ENETDOWN
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#define TARGET_ENETDOWN 50
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#undef TARGET_ENETUNREACH
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#define TARGET_ENETUNREACH 51
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#undef TARGET_ENETRESET
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#define TARGET_ENETRESET 52
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#undef TARGET_ECONNABORTED
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#define TARGET_ECONNABORTED 53
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#undef TARGET_ECONNRESET
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#define TARGET_ECONNRESET 54
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#undef TARGET_ENOBUFS
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#define TARGET_ENOBUFS 55
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#undef TARGET_EISCONN
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#define TARGET_EISCONN 56
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#undef TARGET_ENOTCONN
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#define TARGET_ENOTCONN 57
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#undef TARGET_ESHUTDOWN
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#define TARGET_ESHUTDOWN 58
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#undef TARGET_ETOOMANYREFS
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#define TARGET_ETOOMANYREFS 59
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#undef TARGET_ETIMEDOUT
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#define TARGET_ETIMEDOUT 60
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#undef TARGET_ECONNREFUSED
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#define TARGET_ECONNREFUSED 61
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#undef TARGET_ELOOP
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#define TARGET_ELOOP 62
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#undef TARGET_ENAMETOOLONG
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#define TARGET_ENAMETOOLONG 63
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#undef TARGET_EHOSTDOWN
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#define TARGET_EHOSTDOWN 64
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#undef TARGET_EHOSTUNREACH
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#define TARGET_EHOSTUNREACH 65
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#undef TARGET_ENOTEMPTY
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#define TARGET_ENOTEMPTY 66
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// Unused 67
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#undef TARGET_EUSERS
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#define TARGET_EUSERS 68
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#undef TARGET_EDQUOT
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#define TARGET_EDQUOT 69
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#undef TARGET_ESTALE
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#define TARGET_ESTALE 70
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#undef TARGET_EREMOTE
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#define TARGET_EREMOTE 71
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// Unused 72-76
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#undef TARGET_ENOLCK
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#define TARGET_ENOLCK 77
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#undef TARGET_ENOSYS
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#define TARGET_ENOSYS 78
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// Unused 79
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#undef TARGET_ENOMSG
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#define TARGET_ENOMSG 80
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#undef TARGET_EIDRM
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#define TARGET_EIDRM 81
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#undef TARGET_ENOSR
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#define TARGET_ENOSR 82
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#undef TARGET_ETIME
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#define TARGET_ETIME 83
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#undef TARGET_EBADMSG
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#define TARGET_EBADMSG 84
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#undef TARGET_EPROTO
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#define TARGET_EPROTO 85
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#undef TARGET_ENODATA
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#define TARGET_ENODATA 86
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#undef TARGET_ENOSTR
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#define TARGET_ENOSTR 87
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#undef TARGET_ECHRNG
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#define TARGET_ECHRNG 88
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#undef TARGET_EL2NSYNC
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#define TARGET_EL2NSYNC 89
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#undef TARGET_EL3HLT
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#define TARGET_EL3HLT 90
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#undef TARGET_EL3RST
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#define TARGET_EL3RST 91
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#undef TARGET_ENOPKG
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#define TARGET_ENOPKG 92
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#undef TARGET_ELNRNG
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#define TARGET_ELNRNG 93
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#undef TARGET_EUNATCH
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#define TARGET_EUNATCH 94
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#undef TARGET_ENOCSI
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#define TARGET_ENOCSI 95
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#undef TARGET_EL2HLT
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#define TARGET_EL2HLT 96
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#undef TARGET_EBADE
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#define TARGET_EBADE 97
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#undef TARGET_EBADR
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#define TARGET_EBADR 98
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#undef TARGET_EXFULL
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#define TARGET_EXFULL 99
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#undef TARGET_ENOANO
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#define TARGET_ENOANO 100
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#undef TARGET_EBADRQC
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#define TARGET_EBADRQC 101
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#undef TARGET_EBADSLT
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#define TARGET_EBADSLT 102
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// Unused 103
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#undef TARGET_EBFONT
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#define TARGET_EBFONT 104
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#undef TARGET_ENONET
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#define TARGET_ENONET 105
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#undef TARGET_ENOLINK
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#define TARGET_ENOLINK 106
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#undef TARGET_EADV
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#define TARGET_EADV 107
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#undef TARGET_ESRMNT
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#define TARGET_ESRMNT 108
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#undef TARGET_ECOMM
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#define TARGET_ECOMM 109
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#undef TARGET_EMULTIHOP
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#define TARGET_EMULTIHOP 110
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#undef TARGET_EDOTDOT
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#define TARGET_EDOTDOT 111
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#undef TARGET_EOVERFLOW
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#define TARGET_EOVERFLOW 112
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#undef TARGET_ENOTUNIQ
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#define TARGET_ENOTUNIQ 113
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#undef TARGET_EBADFD
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#define TARGET_EBADFD 114
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#undef TARGET_EREMCHG
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#define TARGET_EREMCHG 115
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#undef TARGET_EILSEQ
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#define TARGET_EILSEQ 116
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// Same as default 117-121
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#undef TARGET_ELIBACC
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#define TARGET_ELIBACC 122
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#undef TARGET_ELIBBAD
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#define TARGET_ELIBBAD 123
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#undef TARGET_ELIBSCN
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#define TARGET_ELIBSCN 124
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#undef TARGET_ELIBMAX
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#define TARGET_ELIBMAX 125
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#undef TARGET_ELIBEXEC
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#define TARGET_ELIBEXEC 126
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#undef TARGET_ERESTART
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#define TARGET_ERESTART 127
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#undef TARGET_ESTRPIPE
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#define TARGET_ESTRPIPE 128
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#undef TARGET_ENOMEDIUM
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#define TARGET_ENOMEDIUM 129
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#undef TARGET_EMEDIUMTYPE
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#define TARGET_EMEDIUMTYPE 130
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#undef TARGET_ECANCELED
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#define TARGET_ECANCELED 131
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#undef TARGET_ENOKEY
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#define TARGET_ENOKEY 132
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#undef TARGET_EKEYEXPIRED
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#define TARGET_EKEYEXPIRED 133
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#undef TARGET_EKEYREVOKED
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#define TARGET_EKEYREVOKED 134
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#undef TARGET_EKEYREJECTED
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#define TARGET_EKEYREJECTED 135
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#undef TARGET_EOWNERDEAD
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#define TARGET_EOWNERDEAD 136
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#undef TARGET_ENOTRECOVERABLE
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#define TARGET_ENOTRECOVERABLE 137
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#undef TARGET_ERFKILL
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#define TARGET_ERFKILL 138
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#undef TARGET_EHWPOISON
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#define TARGET_EHWPOISON 139
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// For sys_osf_getsysinfo
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#define TARGET_GSI_UACPROC 8
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#define TARGET_GSI_IEEE_FP_CONTROL 45
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#define TARGET_GSI_IEEE_STATE_AT_SIGNAL 46
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#define TARGET_GSI_PROC_TYPE 60
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#define TARGET_GSI_GET_HWRPB 101
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// For sys_ofs_setsysinfo
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#define TARGET_SSI_NVPAIRS 1
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#define TARGET_SSI_IEEE_FP_CONTROL 14
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#define TARGET_SSI_IEEE_STATE_AT_SIGNAL 15
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#define TARGET_SSI_IEEE_IGNORE_STATE_AT_SIGNAL 16
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#define TARGET_SSI_IEEE_RAISE_EXCEPTION 1001
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#define TARGET_SSIN_UACPROC 6
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#define TARGET_UAC_NOPRINT 1
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#define TARGET_UAC_NOFIX 2
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#define TARGET_UAC_SIGBUS 4
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#define TARGET_MINSIGSTKSZ 4096
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#define TARGET_MCL_CURRENT 0x2000
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#define TARGET_MCL_FUTURE 0x4000
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#define TARGET_MCL_ONFAULT 0x8000
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#endif /* ALPHA_TARGET_SYSCALL_H */
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