| /freebsd/lib/libsys/ |
| H A D | brk.2 | 9 .\" 2. Redistributions in binary form must reproduce the above copyright
18 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 .Dd June 2, 2018
34 .Nd change data segment size
44 .Bf -symbolic
53 .Xr mmap 2
61 functions are used to change the amount of memory allocated in a
62 process's data segment.
66 uninitialized data segment (also known as the
81 bytes of new memory in the data segment.
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| H A D | shmctl.2 | 11 .\" 2. Redistributions in binary form must reproduce the above copyright
17 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
43 on the shared memory segment identified by
45 .Bl -tag -width SHM_UNLOCKX
47 Fetch the segment's
60 members of the segment's
71 Removes the segment from the system.
73 effect until all processes having attached the segment have exited.
84 no further processes will be allowed to attach the segment.
86 .\" Locks the segment in memory. The calling process must have
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| H A D | shmget.2 | 11 .\" 2. Redistributions in binary form must reproduce the above copyright
17 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
31 .Nd obtain a shared memory identifier
44 returns the identifier of a newly created or previously existing shared
45 memory segment.
51 is analogous to a filename: it provides a handle that names an
53 There are three ways to specify a key:
54 .Bl -bullet
56 IPC_PRIVATE may be specified, in which case a new IPC object
65 a new one will be created.
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| H A D | shmat.2 | 11 .\" 2. Redistributions in binary form must reproduce the above copyright
17 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
47 attaches the shared memory segment identified by
50 The address where the segment
56 .Bl -bullet
60 is 0, the segment is attached at an address selected by the
69 the segment is attached the specified address.
87 cleared before the segment is attached.
93 some pre-existing mappings, the
100 detaches the shared memory segment at the address specified by
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| /freebsd/sys/x86/include/ |
| H A D | segments.h | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
16 * 2. Redistributions in binary form must reproduce the above copyright
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 #define ISPL(s) ((s)&3) /* priority level of a selector */
53 #define LSEL(s,r) (((s)<<3) | SEL_LDT | r) /* a local selector */
54 #define GSEL(s,r) (((s)<<3) | r) /* a global selector */
57 * User segment descriptors (%cs, %ds etc for i386 apps. 64 bit wide)
58 * For long-mode apps, %cs only has the conforming bit in sd_type, the sd_dpl,
62 unsigned sd_lolimit:16; /* segment extent (lsb) */
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| /freebsd/share/man/man5/ |
| H A D | a.out.5 | 12 .\" 2. Redistributions in binary form must reproduce the above copyright
21 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 .Nm a.out
48 A binary file consists of up to 7 sections.
50 .Bl -tag -width "text relocations"
53 to load a binary file into memory and execute it,
56 to combine a binary file with other binary files.
58 .It text segment
60 that are loaded into memory when a program executes.
61 May be loaded read-only.
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| H A D | elf.5 | 9 .\" 2. Redistributions in binary form must reproduce the above copyright
15 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
42 followed by a program header table or a section header table, or both.
60 regardless whether the host is 32-bit or 64-bit.
87 The following types are being used for 32-bit architectures:
88 .Bd -literal -offset indent
89 Elf32_Addr Unsigned 32-bit program address
90 Elf32_Half Unsigned 16-bit field
91 Elf32_Lword Unsigned 64-bit field
92 Elf32_Off Unsigned 32-bit file offset
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| /freebsd/sys/contrib/device-tree/Bindings/auxdisplay/ |
| H A D | gpio-7-segment.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/auxdisplay/gpio-7-segment.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO based LED segment display
10 - Chris Packham <chris.packham@alliedtelesis.co.nz>
14 const: gpio-7-segment
16 segment-gpios:
18 An array of GPIOs one per segment. The first GPIO corresponds to the A
19 segment, the seventh GPIO corresponds to the G segment. Some LED blocks
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| /freebsd/sys/i386/i386/ |
| H A D | mpboot.S | 1 /*-
10 * 2. Redistributions in binary form must reproduce the above copyright
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 #define CHECKPOINT(A,D) \ argument
52 movb $(A),%al ; \
59 #define CHECKPOINT(A,D) argument
73 * CPUs older than a Pentium, so we know that we can use the cpuid
83 jz 2f
85 2: testl $CPUID_VME,%edx
131 * copied into 'real-mode' low memory, it is where the
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| /freebsd/sys/net/altq/ |
| H A D | altq_hfsc.h | 1 /*-
2 * Copyright (c) 1997-1999 Carnegie Mellon University. All Rights Reserved.
6 * for-profit use), provided that both the copyright notice and this
14 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
46 u_int m1; /* slope of the first segment in bits/sec */
47 u_int d; /* the x-projection of the first segment in msec */
48 u_int m2; /* slope of the second segment in bits/sec */
52 u_int64_t m1; /* slope of the first segment in bits/sec */
53 u_int d; /* the x-projection of the first segment in msec */
54 u_int64_t m2; /* slope of the second segment in bits/sec */
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| /freebsd/contrib/llvm-project/compiler-rt/lib/sanitizer_common/ |
| H A D | sanitizer_procmaps_mac.cpp | 1 //===-- sanitizer_procmaps_mac.cpp ----------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // Information about the process mappings (Mac-specific parts).
10 //===----------------------------------------------------------------------===//
18 #include <mach-o/dyld.h>
19 #include <mach-o/loader.h>
51 const Section *sc = (const Section *)data->current_load_cmd_addr; in NextSectionLoad()
52 data->current_load_cmd_addr += sizeof(Section); in NextSectionLoad()
54 uptr sec_start = (sc->addr & data->addr_mask) + data->base_virt_addr; in NextSectionLoad()
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| /freebsd/share/man/man4/ |
| H A D | blackhole.4 | 2 .\" blackhole - drop refused TCP or UDP connects
9 .\" 2. Redistributions in binary form must reproduce the above copyright
20 .Cd sysctl net.inet.sctp.blackhole Ns Op = Ns Brq "0 | 1 | 2"
21 .Cd sysctl net.inet.tcp.blackhole Ns Op = Ns Brq "0 | 1 | 2 | 3"
33 The blackhole behaviour is useful to slow down an attacker who is port-scanning
34 a system in an attempt to detect vulnerable services.
45 Setting the SCTP blackhole MIB to a numeric value of one
47 A MIB value of two will do the same, but will also prevent sending an ABORT packet
50 Normal behaviour, when a TCP SYN segment is received on a port where
52 a RST segment, and drop the incoming SYN segment.
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| H A D | dtrace_tcp.4 | 9 .\" 2. Redistributions in binary form must reproduce the above copyright
15 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 .Nd a DTrace provider for tracing events related to the
34 .Fn tcp:::accept-established "pktinfo_t *" "csinfo_t *" "ipinfo_t *" \
36 .Fn tcp:::accept-refused "pktinfo_t *" "csinfo_t *" "ipinfo_t *" \
38 .Fn tcp:::connect-established "pktinfo_t *" "csinfo_t *" "ipinfo_t *" \
40 .Fn tcp:::connect-refused "pktinfo_t *" "csinfo_t *" "ipinfo_t *" \
42 .Fn tcp:::connect-request "pktinfo_t *" "csinfo_t *" "ipinfo_t *" \
48 .Fn tcp:::state-change "void *" "csinfo_t *" "void *" "tcpsinfo_t *" "void *" \
62 a level higher than packet reception and transmission.
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| H A D | syncache.4 | 2 .\" syncache - TCP SYN caching to handle SYN flood DoS.
9 .\" 2. Redistributions in binary form must reproduce the above copyright
22 .Bl -item -compact
29 .Bl -item -compact
52 When a TCP SYN segment is received on a port corresponding to a listen
55 and a SYN,ACK segment is
60 enough state to perform a SYN,ACK retransmission, and takes up less
61 space than a TCP control block endpoint.
62 An incoming segment which contains an ACK for the SYN,ACK
63 and matches a
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| /freebsd/contrib/netbsd-tests/sys/uvm/ |
| H A D | t_uvm_physseg.c | 3 /*-
16 * 2. Redistributions in binary form must reproduce the above copyright
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
40 * Have a look at machine/uvm_physseg.h for more details.
45 * This is a dummy struct used for testing purposes
57 /* Testing API - assumes userland */
91 #define KASSERT(a) assert(a) argument
100 #define VM_FREELIST_FIRST1G 2
112 #define PAGE_MASK (PAGE_SIZE - 1)
126 * Remember this is a dummy structure used within the ATF Tests and
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| /freebsd/sys/amd64/include/ |
| H A D | segments.h | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
16 * 2. Redistributions in binary form must reproduce the above copyright
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * System segment descriptors (128 bit wide)
53 u_int64_t sd_lolimit:16; /* segment extent (lsb) */
54 u_int64_t sd_lobase:24; /* segment base address (lsb) */
55 u_int64_t sd_type:5; /* segment type */
56 u_int64_t sd_dpl:2; /* segment descriptor priority level */
57 u_int64_t sd_p:1; /* segment descriptor present */
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| /freebsd/contrib/llvm-project/llvm/include/llvm/CodeGen/ |
| H A D | LiveInterval.h | 1 //===- llvm/CodeGen/LiveInterval.h - Interval representation ----*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 // numbering of each the machine instructions an interval [i, j) is said to be a
14 // i.e. a range might look like [1,20), [50,65), [1000,1001). Each
15 // individual segment is represented as an instance of LiveRange::Segment,
18 //===----------------------------------------------------------------------===//
50 /// VNInfo - Value Number Information.
51 /// This class holds information about a machine level values, including
75 /// Returns true if this value is defined by a PHI instruction (or was,
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| /freebsd/usr.bin/posixshmcontrol/ |
| H A D | posixshmcontrol.1 | 12 .\" 2. Redistributions in binary form must reproduce the above copyright
18 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
68 unmaps the segment and closes file descriptor pointing to the segment,
79 .Bl -tag -width truncate
87 .Xr mmap 2 .
88 By default, the system page size is used, but on some platforms a
90 The size of an object backed by large pages must be a multiple of the
103 For each segment, the user and group owner, size, and path are displayed.
110 Output raw bytes values from the segment to standard output.
120 The human-friendly 'k', 'm', 'g' suffixes can be used, see
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| /freebsd/contrib/llvm-project/llvm/lib/Target/AMDGPU/ |
| H A D | AMDKernelCodeT.h | 1 //===-- AMDGPUKernelCodeT.h - Print AMDGPU assembly code ---------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 //===----------------------------------------------------------------------===//
16 //---------------------------------------------------------------------------//
18 //---------------------------------------------------------------------------//
56 AMD_ELEMENT_8_BYTES = 2,
65 /// a number of bit fields. Every bit field has a mask (AMD_CODE_PROPERTY_*),
87 …BUFFER = ((1 << AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER_WIDTH) - 1) << AMD_CODE_PROPE…
91 …GPR_DISPATCH_PTR = ((1 << AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR_WIDTH) - 1) << AMD_CODE_PROPE…
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| /freebsd/share/doc/psd/02.implement/ |
| H A D | implement | 4 .\" Copyright (C) Caldera International Inc. 2001-2002. All rights reserved.
30 .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 .EH 'PSD:2-%''UNIX Implementation'
41 .OH 'UNIX Implementation''PSD:2-%'
51 \%\&\\$3\f3\\$1\fR\&\\$2
55 \&\\$3\s-1\\$1\\s0\&\\$2
60 \%\&\\$3\f2\\$1\fR\&\\$2
69 .AU "MH 2C-523" 2394
75 This paper describes in high-level terms the
111 cannot be substituted by a user to his
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| /freebsd/contrib/llvm-project/llvm/lib/CodeGen/ |
| H A D | LiveInterval.cpp | 1 //===- LiveInterval.cpp - Live Interval Representation --------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 // numbering of each the machine instructions an interval [i, j) is said to be a
14 // i.e. a range might look like [1,20), [50,65), [1000,1001). Each
15 // individual segment is represented as an instance of LiveRange::Segment,
18 //===----------------------------------------------------------------------===//
35 #include "llvm/Config/llvm-config.h"
50 //===----------------------------------------------------------------------===//
53 // segment collection.
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| /freebsd/share/doc/psd/01.cacm/ |
| H A D | p3 | 9 is a computer execution environment.
10 It includes a memory image,
14 An image is the current state of a pseudo-computer.
16 A
19 While the processor is executing on behalf of a process,
22 unless the appearance of an active, higher-priority
26 The user-memory part of an image is divided into three logical segments.
27 The program text segment begins at location 0 in the virtual address space.
28 During execution, this segment is write-protected
29 and a single copy of it is shared among
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| /freebsd/sys/amd64/vmm/amd/ |
| H A D | vmcb.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
13 * 2. Redistributions in binary form must reproduce the above copyright
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * The VMCB aka Virtual Machine Control Block is a 4KB aligned page
52 * - instructions or events in the guest to intercept
53 * - control bits that modify execution environment of the guest
54 * - guest processor state (e.g. general purpose registers)
58 * Return VMCB segment area.
66 state = &vmcb->state; in vmcb_segptr()
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| /freebsd/stand/i386/pxeldr/ |
| H A D | pxeldr.S | 9 * 2. Redistributions in binary form must reproduce the above copyright
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * This simple program is a preloader for the normal boot3 loader. It is simply
28 * prepended to the beginning of a fully built and btxld'd loader. It then
30 * boot[12] environment (protected mode, a bootinfo struct, etc.), and then jumps
31 * to the start of btxldr to start the boot process. This method allows a stock
32 * /boot/loader to be booted over the network via PXE w/o having to write a
33 * separate PXE-aware client just to load the loader.
53 * a.out header fields
55 .set AOUT_TEXT,0x04 # text segment size
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| /freebsd/sys/powerpc/powerpc/ |
| H A D | gdb_machdep.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
13 * 2. Redistributions in binary form must reproduce the above copyright
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
56 if (regnum == 0 || (regnum >= 2 && regnum <= 31)) in gdb_cpu_getreg()
57 return (kdb_frame->fixreg + regnum); in gdb_cpu_getreg()
59 return (&kdb_frame->srr0); in gdb_cpu_getreg()
61 return (&kdb_frame->lr); in gdb_cpu_getreg()
65 return (&kdb_thrctx->pcb_sp); in gdb_cpu_getreg()
66 if (regnum == 2 && *regsz == 8) in gdb_cpu_getreg()
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|