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/linux/scripts/
H A Dcheck_extable.sh2 # SPDX-License-Identifier: GPL-2.0
7 file ${obj} | grep -q ELF || (echo "${obj} is not an ELF file." 1>&2 ; exit 0)
9 # Bail out early if there isn't an __ex_table section in this object file.
10 objdump -hj __ex_table ${obj} 2> /dev/null > /dev/null
11 [ $? -ne 0 ] && exit 0
15 suspicious_relocs=$(objdump -rj __ex_table ${obj} | tail -n +6 |
16 grep -v $(eval echo -e{${white_list}}) | awk '{print $3}')
19 [ -z "${suspicious_relocs}" ] && exit 0
24 # white listed. If you're adding a new section in the Linux kernel, and
25 # you're expecting this section to contain code which can fault (i.e. the
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H A Dgenerate_builtin_ranges.awk1 #!/usr/bin/gawk -f
2 # SPDX-License-Identifier: GPL-2.0
27 mod = substr(s, RSTART + 16, RLENGTH - 16);
30 mod = substr(s, RSTART + 13, RLENGTH - 13);
44 gsub(/-/, "_", mod);
53 # Update the ranges entry for the given module 'mod' in section 'osect'.
57 # section data, and the first module may very well start at the same address.
65 entries[idx] = sprintf("%s %08x-
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/linux/arch/powerpc/include/asm/
H A Dhead-64.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 * We can't do CPP stringification and concatination directly into the section
13 .section ".head.text.\name\()","ax",@progbits
16 .section ".head.data.\name\()","a",@progbits
19 .section ".head.text.\name\()","ax",@progbits
24 * fixed section entries into them before closing them. Multiple fixed sections
27 * Each fixed section created in a .S file must have corresponding linkage
30 * For each fixed section, code is generated into it in the order which it
31 * appears in the source. Fixed section entries can be placed at a fixed
32 * location within the section using _LOCATION postifx variants. These must
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/linux/drivers/usb/chipidea/
H A Dotg_fsm.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #include <linux/usb/otg-fsm.h>
14 * A-DEVICE timing constants
18 #define TA_WAIT_VRISE (100) /* a_wait_vrise: section 7.1.2
19 * a_wait_vrise_tmr: section 7.4.5.1
20 * TA_VBUS_RISE <= 100ms, section 4.4
21 * Table 4-1: Electrical Characteristics
22 * ->DC Electrical Timing
25 #define TA_WAIT_VFALL (1000) /* a_wait_vfall: section 7.1.7
26 * a_wait_vfall_tmr: section: 7.4.5.2
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/linux/tools/objtool/include/objtool/
H A Delf.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
33 struct section { struct
40 struct section *base, *rsec; argument
55 struct section *sec; argument
76 struct section *group_sec;
81 struct section *sec;
108 struct section *section_data;
114 struct section *elf_create_section(struct elf *elf, const char *name,
116 struct section *elf_create_section_pair(struct elf *elf, const char *name,
122 struct reloc *elf_init_reloc_text_sym(struct elf *elf, struct section *sec,
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/linux/Documentation/arch/arm64/
H A Dacpi_object_usage.rst8 If a section number is used, it refers to a section number in the ACPI
12 outside of the UEFI Forum (see Section 5.2.6 of the specification).
16 - Required: DSDT, FADT, GTDT, MADT, MCFG, RSDP, SPCR, XSDT
18 - Recommended: BERT, EINJ, ERST, HEST, PCCT, SSDT
20 - Optional: AGDI, BGRT, CEDT, CPEP, CSRT, DBG2, DRTM, ECDT, FACS, FPDT,
24 - Not supported: AEST, APMT, BOOT, DBGP, DMAR, ETDT, HPET, IVRS, LPIT,
41 This table describes a non-maskable event, that is used by the platform
51 BERT Section 18.3 (signature == "BERT")
64 BGRT Section 5.2.22 (signature == "BGRT")
68 Optional, not currently supported, with no real use-case for an
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H A Darm-acpi.rst23 industry-standard Arm systems, they also apply to more than one operating
25 ACPI and Linux only, on an Arm system -- that is, what Linux expects of
30 ----------------
33 exist in Linux for describing non-enumerable hardware, after all. In this
34 section we summarize a blog post [3] from Grant Likely that outlines the
40 - ACPI’s byte code (AML) allows the platform to encode hardware behavior,
45 - ACPI’s OSPM defines a power management model that constrains what the
49 - In the enterprise server environment, ACPI has established bindings (such
55 - Choosing a single interface to describe the abstraction between a platform
61 - The new ACPI governance process works well and Linux is now at the same
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/linux/Documentation/livepatch/
H A Dmodule-elf-format.rst16 Formerly, livepatch required separate architecture-specific code to write
17 relocations. However, arch-specific code to write relocations already
19 code. So, instead of duplicating code and re-implementing what the module
21 loader to perform the all the arch-specific relocation work. Specifically,
26 of arch-specific code required to port livepatch to a particular
29 Since apply_relocate_add() requires access to a module's section header
30 table, symbol table, and relocation section indices, ELF information is
31 preserved for livepatch modules (see section 5). Livepatch manages its own
34 selected from OS-specific ranges according to the definitions from glibc.
37 -----------------------------------------------------
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/linux/arch/m68k/ifpsp060/
H A DTEST.DOC3 M68000 Hi-Performance Microprocessor Division
5 Production Release P1.00 -- October 10, 1994
30 -----------------------------------------------------
36 --------------------
56 -----------------------
59 -----------------
60 | | - 128 byte-sized section
61 (1) | Call-Out | - 4 bytes per entry (user fills these in)
63 -----------------
64 | | - 8 bytes per entry
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H A Disp.doc3 M68000 Hi-Performance Microprocessor Division
5 Production Release P1.00 -- October 10, 1994
30 ------------------------------------------------
41 64-bit divide
42 64-bit multiply
50 --------------------
70 -----------------------
73 -----------------
74 | | - 128 byte-sized section
75 (1) | Call-Out | - 4 bytes per entry (user fills these in)
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/linux/mm/
H A Dsparse.c1 // SPDX-License-Identifier: GPL-2.0
24 * 1) mem_section - memory sections, mem_map's for valid memory
65 struct mem_section *section = NULL; in sparse_index_alloc() local
70 section = kzalloc_node(array_size, GFP_KERNEL, nid); in sparse_index_alloc()
72 section = memblock_alloc_node(array_size, SMP_CACHE_BYTES, in sparse_index_alloc()
74 if (!section) in sparse_index_alloc()
79 return section; in sparse_index_alloc()
85 struct mem_section *section; in sparse_index_init() local
88 * An existing section is possible in the sub-section hotplug in sparse_index_init()
89 * case. First hot-add instantiates, follow-on hot-add reuses in sparse_index_init()
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/linux/drivers/media/test-drivers/vidtv/
H A Dvidtv_psi.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This file contains the logic to work with MPEG Program-Specific Information.
4 * These are defined both in ISO/IEC 13818-1 (systems) and ETSI EN 300 468.
7 * hence 'table' and 'section' are interchangeable for vidtv.
18 * all section lengths start immediately after the 'section_length' field
19 * see ISO/IEC 13818-1 : 2000 and ETSI EN 300 468 V 1.10.1 for
35 REGISTRATION_DESCRIPTOR = 0x05, /* See ISO/IEC 13818-1 section 2.6.8 */
36 NETWORK_NAME_DESCRIPTOR = 0x40, /* See ETSI EN 300 468 section 6.2.27 */
37 SERVICE_LIST_DESCRIPTOR = 0x41, /* See ETSI EN 300 468 section 6.2.35 */
38 SERVICE_DESCRIPTOR = 0x48, /* See ETSI EN 300 468 section 6.2.33 */
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/linux/LICENSES/deprecated/
H A DGFDL-1.21 Valid-License-Identifier: GPL-2.0 OR GFDL-1.2-no-invariants-or-later
2 Valid-License-Identifier: GPL-2.0 OR GFDL-1.2-no-invariants-only
3 Valid-License-Identifier: GFDL-1.2-no-invariants-or-later
4 Valid-License-Identifier: GFDL-1.2-no-invariants-only
5 SPDX-URL: https://spdx.org/licenses/GFDL-1.2-no-invariants-or-later.html
6 Usage-Guide:
8 Invariant Sections, Front-Cover Texts or Back-Cover Texts.
13 SPDX-License-Identifier: GPL-2.0 OR GFDL-1.2-no-invariants-or-later
15 SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-only
17 SPDX-License-Identifier: GFDL-1.2-no-invariants-or-later
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H A DGFDL-1.11 Valid-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
2 Valid-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-only
3 Valid-License-Identifier: GFDL-1.1-no-invariants-or-later
4 Valid-License-Identifier: GFDL-1.1-no-invariants-only
5 SPDX-URL: https://spdx.org/licenses/GFDL-1.1-no-invariants-or-later.html
6 Usage-Guide:
8 Invariant Sections, Front-Cover Texts or Back-Cover Texts.
11 userspace-api media documentation).
15 SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
17 SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-only
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/linux/Documentation/firmware-guide/acpi/apei/
H A Doutput_format.rst1 .. SPDX-License-Identifier: GPL-2.0
13 section: <integer>, severity: <integer>, <severity string>
15 <section flags strings>
18 section_type: <section type string>
19 <section data>
23 <section flags strings># :=
27 <section type string> := generic processor error | memory error | \
30 <section data> :=
31 <generic processor section data> | <memory section data> | \
32 <pcie section data> | <null>
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/linux/arch/mips/include/asm/
H A Dunaligned-emul.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
18 ".section\t.fixup,\"ax\"\n\t" \
22 ".section\t__ex_table,\"a\"\n\t" \
27 : "r" (addr), "i" (-EFAULT)); \
39 ".section\t.fixup,\"ax\"\n\t" \
43 ".section\t__ex_table,\"a\"\n\t" \
48 : "r" (addr), "i" (-EFAULT)); \
72 ".section\t.fixup,\"ax\"\n\t" \
76 ".section\t__ex_table,\"a\"\n\t" \
83 : "r" (addr), "i" (-EFAULT)); \
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/linux/tools/perf/util/
H A Dlibbfd.c1 // SPDX-License-Identifier: GPL-2.0
4 #include "bpf-event.h"
5 #include "bpf-utils.h"
14 #include <tools/dis-asm-compat.h>
53 return -1; in bfd_error()
85 a2l->syms = syms; in slurp_symtab()
89 static void find_address_in_section(bfd *abfd, asection *section, void *data) in find_address_in_section() argument
96 if (a2l->found) in find_address_in_section()
100 flags = bfd_get_section_flags(abfd, section); in find_address_in_section()
102 flags = bfd_section_flags(section); in find_address_in_section()
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H A Dconfig.c1 // SPDX-License-Identifier: GPL-2.0
17 #include <subcmd/exec-cmd.h>
23 #include "build-id.h"
50 .ctl_fd = -1,
51 .ctl_fd_ack = -1,
100 if (len >= sizeof(value) - 1) in parse_value()
150 quote = 1-quote; in parse_value()
159 return isalnum(c) || c == '-' || c == '_'; in iskeychar()
176 return -1; in get_value()
185 return -1; in get_value()
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/linux/drivers/gpu/drm/
H A Ddrm_displayid.c1 // SPDX-License-Identifier: MIT
17 if (sizeof(*base) > length - index) in displayid_get_header()
18 return ERR_PTR(-EINVAL); in displayid_get_header()
37 dispid_length = sizeof(*base) + base->bytes + 1; in validate_displayid()
38 if (dispid_length > length - idx) in validate_displayid()
39 return ERR_PTR(-EINVAL); in validate_displayid()
45 return ERR_PTR(-EINVAL); in validate_displayid()
63 *length = EDID_LENGTH - 1; in drm_find_displayid_extension()
70 *length = *idx + sizeof(*base) + base->bytes; in drm_find_displayid_extension()
80 iter->drm_edid = drm_edid; in displayid_iter_edid_begin()
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/linux/arch/arc/include/asm/
H A Duaccess.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 * -__clear_user( ) called multiple times during elf load was byte loop
10 * -Hand crafted constant propagation for "constant" copy sizes
11 * -stock kernel shrunk by 33K at -O3
14 * -Added option to (UN)inline copy_(to|from)_user to reduce code sz
15 * -kernel shrunk by 200K even at -O3 (gcc 4.2.1)
16 * -Enabled when doing -Os
41 * Returns 0 on success, -EFAULT if not.
42 * @ret already contains 0 - given that errors will be less likely
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/linux/drivers/mtd/nand/spi/
H A Dwinbond.c1 // SPDX-License-Identifier: GPL-2.0
90 static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section, in w25m02gv_ooblayout_ecc() argument
93 if (section > 3) in w25m02gv_ooblayout_ecc()
94 return -ERANGE; in w25m02gv_ooblayout_ecc()
96 region->offset = (16 * section) + 8; in w25m02gv_ooblayout_ecc()
97 region->length = 8; in w25m02gv_ooblayout_ecc()
102 static int w25m02gv_ooblayout_free(struct mtd_info *mtd, int section, in w25m02gv_ooblayout_free() argument
105 if (section > 3) in w25m02gv_ooblayout_free()
106 return -ERANGE; in w25m02gv_ooblayout_free()
108 region->offset = (16 * section) + 2; in w25m02gv_ooblayout_free()
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/linux/arch/x86/kernel/cpu/sgx/
H A Dsgx.h1 /* SPDX-License-Identifier: GPL-2.0 */
33 unsigned int section; member
54 * used to store EPC pages for one EPC section and virtual memory area where
68 struct sgx_epc_section *section = &sgx_epc_sections[page->section]; in sgx_get_epc_phys_addr() local
71 index = ((unsigned long)page - (unsigned long)section->pages) / sizeof(*page); in sgx_get_epc_phys_addr()
73 return section->phys_addr + index * PAGE_SIZE; in sgx_get_epc_phys_addr()
78 struct sgx_epc_section *section = &sgx_epc_sections[page->section]; in sgx_get_epc_virt_addr() local
81 index = ((unsigned long)page - (unsigned long)section->pages) / sizeof(*page); in sgx_get_epc_virt_addr()
83 return section->virt_addr + index * PAGE_SIZE; in sgx_get_epc_virt_addr()
101 return -ENODEV; in sgx_vepc_init()
/linux/include/media/
H A Ddemux.h4 * The Kernel Digital TV Demux kABI defines a driver-internal interface for
5 * registering low-level, hardware specific driver to a hardware independent
40 * DMX_MAX_FILTER_SIZE: Maximum length (in bytes) of a section/PES filter.
48 * DMX_MAX_SECFEED_SIZE: Maximum length (in bytes) of a private section feed
64 * enum ts_filter_type - filter type bitmap for dmx_ts_feed.set\(\)
69 * @TS_DECODER: Send stream to built-in decoder (if present).
81 * struct dmx_ts_feed - Structure that contains a TS feed filter
83 * @is_filtering: Set to non-zero when filtering in progress
108 * Section reception
112 * struct dmx_section_filter - Structure that describes a section filter
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/linux/include/linux/
H A Dsctp.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (c) 1999-2000 Cisco, Inc.
5 * Copyright (c) 1999-2001 Motorola, Inc.
16 * lksctp developers <linux-sctp@vger.kernel.org>
44 /* Section 3.1. SCTP Common Header Format */
57 /* Section 3.2. Chunk Field Descriptions. */
65 /* Section 3.2. Chunk Type Values.
87 /* AUTH Extension Section 4.1 */
90 /* sctp ndata 5.1. I-DATA */
93 /* PR-SCTP Sec 3.2 */
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/linux/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/
H A Dsmu11_driver_if_sienna_cichlid.h53 #define MAX_GFXCLK_DPM_LEVEL (NUM_GFXCLK_DPM_LEVELS - 1)
54 #define MAX_SMNCLK_DPM_LEVEL (NUM_SMNCLK_DPM_LEVELS - 1)
55 #define MAX_SOCCLK_DPM_LEVEL (NUM_SOCCLK_DPM_LEVELS - 1)
56 #define MAX_MP0CLK_DPM_LEVEL (NUM_MP0CLK_DPM_LEVELS - 1)
57 #define MAX_DCLK_DPM_LEVEL (NUM_DCLK_DPM_LEVELS - 1)
58 #define MAX_VCLK_DPM_LEVEL (NUM_VCLK_DPM_LEVELS - 1)
59 #define MAX_DCEFCLK_DPM_LEVEL (NUM_DCEFCLK_DPM_LEVELS - 1)
60 #define MAX_DISPCLK_DPM_LEVEL (NUM_DISPCLK_DPM_LEVELS - 1)
61 #define MAX_PIXCLK_DPM_LEVEL (NUM_PIXCLK_DPM_LEVELS - 1)
62 #define MAX_PHYCLK_DPM_LEVEL (NUM_PHYCLK_DPM_LEVELS - 1)
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