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/linux/tools/objtool/include/objtool/
H A Delf.h42 struct section { struct
49 struct section *base, *rsec; argument
57 struct section *twin; argument
67 struct section *sec;
94 struct section *group_sec;
101 struct section *sec;
129 struct section *section_data;
136 struct section *elf_create_section(struct elf *elf, const char *name,
140 struct section *elf_create_section_pair(struct elf *elf, const char *name,
144 struct section *elf_create_rela_section(struct elf *elf, struct section *sec,
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/linux/tools/perf/util/
H A Dconfig.c629 struct perf_config_section *section; in find_section() local
631 list_for_each_entry(section, sections, node) in find_section()
632 if (!strcmp(section->name, section_name)) in find_section()
633 return section; in find_section()
639 struct perf_config_section *section) in find_config_item() argument
643 list_for_each_entry(item, &section->items, node) in find_config_item()
653 struct perf_config_section *section = zalloc(sizeof(*section)); in add_section() local
655 if (!section) in add_section()
658 INIT_LIST_HEAD(&section->items); in add_section()
659 section->name = strdup(section_name); in add_section()
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H A Dlibbfd.c122 static void find_address_in_section(bfd *abfd, asection *section, void *data) in find_address_in_section() argument
133 flags = bfd_get_section_flags(abfd, section); in find_address_in_section()
135 flags = bfd_section_flags(section); in find_address_in_section()
142 vma = bfd_get_section_vma(abfd, section); in find_address_in_section()
144 vma = bfd_section_vma(section); in find_address_in_section()
147 size = bfd_get_section_size(section); in find_address_in_section()
149 size = bfd_section_size(section); in find_address_in_section()
155 a2l->found = bfd_find_nearest_line(abfd, section, a2l->syms, pc - vma, in find_address_in_section()
319 asection *section; in dso__load_bfd_symbols() local
356 section = bfd_get_section_by_name(abfd, ".text"); in dso__load_bfd_symbols()
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/linux/scripts/
H A Dcheck_extable.sh55 …eval $(objdump -rj .altinstructions ${obj} | grep -B1 "${section}+${section_offset}" | head -n1 | …
62 find_alt_replacement_target ${section} ${section_offset}
72 objdump -hwj ${section} ${obj} | grep -q CODE
78 if is_executable_section ${section}; then
83 echo "Warning: found a reference to section \"${section}\" in __ex_table:"
84 addr2line -fip -j ${section} -e ${obj} ${section_offset} | awk '{print "\t" $0}'
89 …echo "Error: found a reference to non-executable section \"${section}\" in __ex_table at offset ${…
96 case "${section}" in
98 handle_alt_replacement_reloc ${section} ${section_offset}
101 handle_suspicious_generic_reloc ${section} ${section_offset}
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/linux/drivers/mtd/nand/spi/
H A Dwinbond.c135 static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section, in w25m02gv_ooblayout_ecc() argument
138 if (section > 3) in w25m02gv_ooblayout_ecc()
141 region->offset = (16 * section) + 8; in w25m02gv_ooblayout_ecc()
147 static int w25m02gv_ooblayout_free(struct mtd_info *mtd, int section, in w25m02gv_ooblayout_free() argument
150 if (section > 3) in w25m02gv_ooblayout_free()
153 region->offset = (16 * section) + 2; in w25m02gv_ooblayout_free()
174 static int w25n01kv_ooblayout_ecc(struct mtd_info *mtd, int section, in w25n01kv_ooblayout_ecc() argument
177 if (section > 3) in w25n01kv_ooblayout_ecc()
180 region->offset = 64 + (8 * section); in w25n01kv_ooblayout_ecc()
186 static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section, in w25n02kv_ooblayout_ecc() argument
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H A Dato.c30 static int ato25d1ga_ooblayout_ecc(struct mtd_info *mtd, int section, in ato25d1ga_ooblayout_ecc() argument
33 if (section > 3) in ato25d1ga_ooblayout_ecc()
36 region->offset = (16 * section) + 8; in ato25d1ga_ooblayout_ecc()
41 static int ato25d1ga_ooblayout_free(struct mtd_info *mtd, int section, in ato25d1ga_ooblayout_free() argument
44 if (section > 3) in ato25d1ga_ooblayout_free()
47 if (section) { in ato25d1ga_ooblayout_free()
48 region->offset = (16 * section); in ato25d1ga_ooblayout_free()
H A Dfmsh.c37 static int fm25s01a_ooblayout_ecc(struct mtd_info *mtd, int section, in fm25s01a_ooblayout_ecc() argument
43 static int fm25s01a_ooblayout_free(struct mtd_info *mtd, int section, in fm25s01a_ooblayout_free() argument
46 if (section) in fm25s01a_ooblayout_free()
81 static int fm25s01bi3_ooblayout_ecc(struct mtd_info *mtd, int section, in fm25s01bi3_ooblayout_ecc() argument
84 if (section) in fm25s01bi3_ooblayout_ecc()
93 static int fm25s01bi3_ooblayout_free(struct mtd_info *mtd, int section, in fm25s01bi3_ooblayout_free() argument
96 if (section > 3) in fm25s01bi3_ooblayout_free()
99 region->offset = (16 * section) + 4; in fm25s01bi3_ooblayout_free()
H A Ddosilicon.c26 static int ds35xx_ooblayout_ecc(struct mtd_info *mtd, int section, in ds35xx_ooblayout_ecc() argument
29 if (section > 3) in ds35xx_ooblayout_ecc()
32 region->offset = 8 + (section * 16); in ds35xx_ooblayout_ecc()
38 static int ds35xx_ooblayout_free(struct mtd_info *mtd, int section, in ds35xx_ooblayout_free() argument
41 if (section > 3) in ds35xx_ooblayout_free()
44 if (section == 0) { in ds35xx_ooblayout_free()
49 region->offset = section * 16; in ds35xx_ooblayout_free()
H A Dparagon.c41 static int pn26g0xa_ooblayout_ecc(struct mtd_info *mtd, int section, in pn26g0xa_ooblayout_ecc() argument
44 if (section > 3) in pn26g0xa_ooblayout_ecc()
47 region->offset = 6 + (15 * section); /* 4 BBM + 2 user bytes */ in pn26g0xa_ooblayout_ecc()
53 static int pn26g0xa_ooblayout_free(struct mtd_info *mtd, int section, in pn26g0xa_ooblayout_free() argument
56 if (section > 4) in pn26g0xa_ooblayout_free()
59 if (section == 4) { in pn26g0xa_ooblayout_free()
63 region->offset = 4 + (15 * section); in pn26g0xa_ooblayout_free()
H A Dgigadevice.c147 static int gd5fxgq4xa_ooblayout_ecc(struct mtd_info *mtd, int section, in gd5fxgq4xa_ooblayout_ecc() argument
150 if (section > 3) in gd5fxgq4xa_ooblayout_ecc()
153 region->offset = (16 * section) + 8; in gd5fxgq4xa_ooblayout_ecc()
159 static int gd5fxgq4xa_ooblayout_free(struct mtd_info *mtd, int section, in gd5fxgq4xa_ooblayout_free() argument
162 if (section > 3) in gd5fxgq4xa_ooblayout_free()
165 if (section) { in gd5fxgq4xa_ooblayout_free()
166 region->offset = 16 * section; in gd5fxgq4xa_ooblayout_free()
205 static int gd5fxgqx_variant2_ooblayout_ecc(struct mtd_info *mtd, int section, in gd5fxgqx_variant2_ooblayout_ecc() argument
208 if (section) in gd5fxgqx_variant2_ooblayout_ecc()
217 static int gd5fxgqx_variant2_ooblayout_free(struct mtd_info *mtd, int section, in gd5fxgqx_variant2_ooblayout_free() argument
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/linux/arch/x86/kernel/cpu/sgx/
H A Dsgx.h33 unsigned int section; member
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()
H A Dmain.c82 struct sgx_epc_section *section = &sgx_epc_sections[page->section]; in __sgx_sanitize_pages() local
83 struct sgx_numa_node *node = section->node; in __sgx_sanitize_pages()
609 struct sgx_epc_section *section = &sgx_epc_sections[page->section]; in sgx_free_epc_page() local
610 struct sgx_numa_node *node = section->node; in sgx_free_epc_page()
627 struct sgx_epc_section *section) in sgx_setup_epc_section() argument
632 section->virt_addr = memremap(phys_addr, size, MEMREMAP_WB); in sgx_setup_epc_section()
633 if (!section->virt_addr) in sgx_setup_epc_section()
636 section->pages = vmalloc_array(nr_pages, sizeof(struct sgx_epc_page)); in sgx_setup_epc_section()
637 if (!section->pages) { in sgx_setup_epc_section()
638 memunmap(section->virt_addr); in sgx_setup_epc_section()
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/linux/tools/perf/
H A Dbuiltin-config.c40 struct perf_config_section *section = NULL; in set_config() local
55 perf_config_items__for_each_entry(&set->sections, section) { in set_config()
56 if (!use_system_config && section->from_system_config) in set_config()
58 fprintf(fp, "[%s]\n", section->name); in set_config()
60 perf_config_items__for_each_entry(&section->items, item) { in set_config()
75 struct perf_config_section *section; in show_spec_config() local
81 perf_config_items__for_each_entry(&set->sections, section) { in show_spec_config()
82 if (!strstarts(var, section->name)) in show_spec_config()
85 perf_config_items__for_each_entry(&section->items, item) { in show_spec_config()
86 const char *name = var + strlen(section->name) + 1; in show_spec_config()
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/linux/Documentation/firmware-guide/acpi/apei/
H A Doutput_format.rst13 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>
34 <generic processor section data> :=
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/linux/drivers/mtd/nand/raw/
H A Dsm_common.c12 static int oob_sm_ooblayout_ecc(struct mtd_info *mtd, int section, in oob_sm_ooblayout_ecc() argument
15 if (section > 1) in oob_sm_ooblayout_ecc()
19 oobregion->offset = ((section + 1) * 8) - 3; in oob_sm_ooblayout_ecc()
24 static int oob_sm_ooblayout_free(struct mtd_info *mtd, int section, in oob_sm_ooblayout_free() argument
27 switch (section) { in oob_sm_ooblayout_free()
61 static int oob_sm_small_ooblayout_ecc(struct mtd_info *mtd, int section, in oob_sm_small_ooblayout_ecc() argument
64 if (section) in oob_sm_small_ooblayout_ecc()
73 static int oob_sm_small_ooblayout_free(struct mtd_info *mtd, int section, in oob_sm_small_ooblayout_free() argument
76 switch (section) { in oob_sm_small_ooblayout_free()
/linux/Documentation/locking/
H A Dseqlock.rst17 read side critical section is even and the same sequence count value is
18 read again at the end of the critical section. The data in the set must
19 be copied out inside the read side critical section. If the sequence
20 count has changed between the start and the end of the critical section,
24 critical section. After starting the critical section the sequence count
26 the end of the write side critical section the sequence count becomes
29 A sequence counter write side critical section must never be preempted
50 write side section. If the read section can be invoked from hardirq or
52 disabled before entering the write section.
78 /* ... [[write-side critical section]] ... */
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/linux/arch/m68k/ifpsp060/
H A DTEST.DOC60 | | - 128 byte-sized section
68 | | - code section
74 The first section of this module is the "Call-out" section. This section
75 is NOT INCLUDED in {i,f}test.sa (an example "Call-out" section is provided at
76 the end of this file). The purpose of this section is to allow the test
78 by the host operating system. This section MUST be exactly 128 bytes in
83 the starting address of the "call-out" section. The "Call-out" section must
87 The second section, the "Entry-point" section, is used by external routines
89 no symbol names, this section contains function entry points that are fixed
91 are listed in section "68060{ISP,FPSP}-TEST entry points" below. A calling
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H A Dfpsp.doc66 | | - 128 byte-sized section
74 | | - code section
80 The first section of this module is the "Call-out" section. This section
81 is NOT INCLUDED in fpsp.sa (an example "Call-out" section is provided at
82 the end of the file fskeleton.s). The purpose of this section is to allow
84 by the host operating system. This section MUST be exactly 128 bytes in
89 of the "call-out" section. The "Call-out" section must sit adjacent to the
92 The second section, the "Entry-point" section, is used by external routines
94 no symbol names, this section contains function entry points that are fixed
96 are listed in section "68060 FPSP entry points" below. A calling routine
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H A Disp.doc74 | | - 128 byte-sized section
82 | | - code section
88 The first section of this module is the "Call-out" section. This section
89 is NOT INCLUDED in isp.sa (an example "Call-out" section is provided at
90 the end of the file iskeleton.s). The purpose of this section is to allow
92 by the host operating system. This section MUST be exactly 128 bytes in
97 of the "call-out" section. The "Call-out" section must sit adjacent to the
100 The second section, the "Entry-point" section, is used by external routines
102 no symbol names, this section contains function entry points that are fixed
104 are listed in section "68060 ISP entry points" below. A calling routine
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/linux/drivers/net/wireless/intel/iwlwifi/mvm/
H A Dnvm.c33 static int iwl_nvm_write_chunk(struct iwl_mvm *mvm, u16 section, in iwl_nvm_write_chunk() argument
39 .type = cpu_to_le16(section), in iwl_nvm_write_chunk()
64 section, le16_to_cpu(nvm_resp->status)); in iwl_nvm_write_chunk()
72 static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, in iwl_nvm_read_chunk() argument
78 .type = cpu_to_le16(section), in iwl_nvm_read_chunk()
145 static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section, in iwl_nvm_write_section() argument
158 ret = iwl_nvm_write_chunk(mvm, section, offset, in iwl_nvm_write_section()
179 static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, in iwl_nvm_read_section() argument
199 ret = iwl_nvm_read_chunk(mvm, section, offset, length, data); in iwl_nvm_read_section()
203 section, offset, length); in iwl_nvm_read_section()
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/linux/tools/testing/selftests/x86/bugs/
H A Dcommon.py108 section = elffile.get_section_by_name(section_name)
109 if section is None:
114 return section['sh_addr'], section['sh_offset'], section['sh_size']
131 def get_instruction_from_vmlinux(elffile, section, virtual_address, target_address): argument
133 section_start = section['sh_addr']
134 section_end = section_start + section['sh_size']
140 code = section.data()[offset:offset + 16]
/linux/Documentation/livepatch/
H A Dmodule-elf-format.rst29 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
52 relas reference are special livepatch symbols (see section 2 and 3). The
87 relocation section(s) to the driver once it loads.
92 between a livepatch relocation section and the target section (usually the
93 text section of a function) to which the relocation(s) apply. It is
99 livepatch relocation section can be applied simply by passing in the
100 appropriate section index to apply_relocate_add(), which then uses it to
101 access the relocation section and apply the relocations.
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/linux/tools/objtool/
H A Delf.c133 struct section *find_section_by_name(const struct elf *elf, const char *name) in find_section_by_name()
135 struct section *sec; in find_section_by_name()
145 static struct section *find_section_by_index(struct elf *elf, in find_section_by_index()
148 struct section *sec; in find_section_by_index()
150 elf_hash_for_each_possible(section, sec, hash, idx) { in find_section_by_index()
170 struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset) in find_symbol_by_offset()
183 struct symbol *find_func_by_offset(struct section *sec, unsigned long offset) in find_func_by_offset()
196 struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset) in find_symbol_containing()
227 int find_symbol_hole_containing(const struct section *sec, unsigned long offset) in find_symbol_hole_containing()
264 struct symbol *find_func_containing(struct section *sec, unsigned long offset) in find_func_containing()
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/linux/drivers/mtd/nand/
H A Decc.c163 static int nand_ooblayout_ecc_sp(struct mtd_info *mtd, int section, in nand_ooblayout_ecc_sp() argument
169 if (section > 1) in nand_ooblayout_ecc_sp()
172 if (!section) { in nand_ooblayout_ecc_sp()
189 static int nand_ooblayout_free_sp(struct mtd_info *mtd, int section, in nand_ooblayout_free_sp() argument
192 if (section > 1) in nand_ooblayout_free_sp()
196 if (section) in nand_ooblayout_free_sp()
203 if (!section) in nand_ooblayout_free_sp()
223 static int nand_ooblayout_ecc_lp(struct mtd_info *mtd, int section, in nand_ooblayout_ecc_lp() argument
229 if (section || !total_ecc_bytes) in nand_ooblayout_ecc_lp()
238 static int nand_ooblayout_free_lp(struct mtd_info *mtd, int section, in nand_ooblayout_free_lp() argument
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/linux/scripts/gcc-plugins/
H A Dstackleak_plugin.c451 tree section; in stackleak_gate() local
453 section = lookup_attribute("section", in stackleak_gate()
455 if (section && TREE_VALUE(section)) { in stackleak_gate()
456 section = TREE_VALUE(TREE_VALUE(section)); in stackleak_gate()
458 if (STRING_EQUAL(section, ".init.text")) in stackleak_gate()
460 if (STRING_EQUAL(section, ".devinit.text")) in stackleak_gate()
462 if (STRING_EQUAL(section, ".cpuinit.text")) in stackleak_gate()
464 if (STRING_EQUAL(section, ".meminit.text")) in stackleak_gate()
466 if (STRING_EQUAL(section, ".noinstr.text")) in stackleak_gate()
468 if (STRING_EQUAL(section, ".entry.text")) in stackleak_gate()
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