ELF: fix all "Elf" typos

ELF is acronym and therefore should be spelled in all caps.

I left one exception at Documentation/arm/nwfpe/nwfpe.rst which looks like
being written in the first person.

Link: https://lkml.kernel.org/r/Y/3wGWQviIOkyLJW@p183
Signed-off-by: Alexey Dobriyan <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

arch/mips/boot/tools/relocs.c

···
 		die("Unknown ELF version\n");
 
 	if (ehdr.e_ehsize != sizeof(Elf_Ehdr))
-		die("Bad Elf header size\n");
+		die("Bad ELF header size\n");
 
 	if (ehdr.e_phentsize != sizeof(Elf_Phdr))
 		die("Bad program header entry\n");

arch/um/os-Linux/elf_aux.c

···
 /*
  *  arch/um/kernel/elf_aux.c
  *
- *  Scan the Elf auxiliary vector provided by the host to extract
+ *  Scan the ELF auxiliary vector provided by the host to extract
  *  information about vsyscall-page, etc.
  *
  *  Copyright (C) 2004 Fujitsu Siemens Computers GmbH

arch/x86/tools/relocs.c

···
 	if (ehdr.e_version != EV_CURRENT)
 		die("Unknown ELF version\n");
 	if (ehdr.e_ehsize != sizeof(Elf_Ehdr))
-		die("Bad Elf header size\n");
+		die("Bad ELF header size\n");
 	if (ehdr.e_phentsize != sizeof(Elf_Phdr))
 		die("Bad program header entry\n");
 	if (ehdr.e_shentsize != sizeof(Elf_Shdr))

drivers/remoteproc/remoteproc_coredump.c

···
 		return;
 
 	if (class == ELFCLASSNONE) {
-		dev_err(&rproc->dev, "Elf class is not set\n");
+		dev_err(&rproc->dev, "ELF class is not set\n");
 		return;
 	}
 
···
 		return;
 
 	if (class == ELFCLASSNONE) {
-		dev_err(&rproc->dev, "Elf class is not set\n");
+		dev_err(&rproc->dev, "ELF class is not set\n");
 		return;
 	}
 

drivers/remoteproc/remoteproc_elf_loader.c

···
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Remote Processor Framework Elf loader
+ * Remote Processor Framework ELF loader
  *
  * Copyright (C) 2011 Texas Instruments, Inc.
  * Copyright (C) 2011 Google, Inc.
···
 	const char *name = rproc->firmware;
 	struct device *dev = &rproc->dev;
 	/*
-	 * Elf files are beginning with the same structure. Thus, to simplify
+	 * ELF files are beginning with the same structure. Thus, to simplify
 	 * header parsing, we can use the elf32_hdr one for both elf64 and
 	 * elf32.
 	 */

fs/binfmt_elf.c

···
 
 	has_dumped = 1;
 
-	offset += sizeof(elf);				/* Elf header */
+	offset += sizeof(elf);				/* ELF header */
 	offset += segs * sizeof(struct elf_phdr);	/* Program headers */
 
 	/* Write notes phdr entry */

fs/binfmt_elf_fdpic.c

···
 	fill_note(&auxv_note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
 	thread_status_size += notesize(&auxv_note);
 
-	offset = sizeof(*elf);				/* Elf header */
+	offset = sizeof(*elf);				/* ELF header */
 	offset += segs * sizeof(struct elf_phdr);	/* Program headers */
 
 	/* Write notes phdr entry */

fs/proc/vmcore.c

···
 			return acc;
 	}
 
-	/* Read Elf note segment */
+	/* Read ELF note segment */
 	if (*fpos < elfcorebuf_sz + elfnotes_sz) {
 		void *kaddr;
 
···
 	ehdr_ptr = (Elf64_Ehdr *)elfptr;
 	phdr_ptr = (Elf64_Phdr*)(elfptr + sizeof(Elf64_Ehdr)); /* PT_NOTE hdr */
 
-	/* Skip Elf header, program headers and Elf note segment. */
+	/* Skip ELF header, program headers and ELF note segment. */
 	vmcore_off = elfsz + elfnotes_sz;
 
 	for (i = 0; i < ehdr_ptr->e_phnum; i++, phdr_ptr++) {
···
 	ehdr_ptr = (Elf32_Ehdr *)elfptr;
 	phdr_ptr = (Elf32_Phdr*)(elfptr + sizeof(Elf32_Ehdr)); /* PT_NOTE hdr */
 
-	/* Skip Elf header, program headers and Elf note segment. */
+	/* Skip ELF header, program headers and ELF note segment. */
 	vmcore_off = elfsz + elfnotes_sz;
 
 	for (i = 0; i < ehdr_ptr->e_phnum; i++, phdr_ptr++) {
···
 	loff_t vmcore_off;
 	struct vmcore *m;
 
-	/* Skip Elf header, program headers and Elf note segment. */
+	/* Skip ELF header, program headers and ELF note segment. */
 	vmcore_off = elfsz + elfnotes_sz;
 
 	list_for_each_entry(m, vc_list, list) {
···
 
 	addr = elfcorehdr_addr;
 
-	/* Read Elf header */
+	/* Read ELF header */
 	rc = elfcorehdr_read((char *)&ehdr, sizeof(Elf64_Ehdr), &addr);
 	if (rc < 0)
 		return rc;
···
 
 	addr = elfcorehdr_addr;
 
-	/* Read Elf header */
+	/* Read ELF header */
 	rc = elfcorehdr_read((char *)&ehdr, sizeof(Elf32_Ehdr), &addr);
 	if (rc < 0)
 		return rc;
···
 }
 
 /**
- * vmcoredd_update_program_headers - Update all Elf program headers
+ * vmcoredd_update_program_headers - Update all ELF program headers
  * @elfptr: Pointer to elf header
  * @elfnotesz: Size of elf notes aligned to page size
  * @vmcoreddsz: Size of device dumps to be added to elf note header
  *
- * Determine type of Elf header (Elf64 or Elf32) and update the elf note size.
+ * Determine type of ELF header (Elf64 or Elf32) and update the elf note size.
  * Also update the offsets of all the program headers after the elf note header.
  */
 static void vmcoredd_update_program_headers(char *elfptr, size_t elfnotesz,
···
 
 /**
  * vmcoredd_update_size - Update the total size of the device dumps and update
- * Elf header
+ * ELF header
  * @dump_size: Size of the current device dump to be added to total size
  *
- * Update the total size of all the device dumps and update the Elf program
+ * Update the total size of all the device dumps and update the ELF program
  * headers. Calculate the new offsets for the vmcore list and update the
  * total vmcore size.
  */
···
  * @data: dump info.
  *
  * Allocate a buffer and invoke the calling driver's dump collect routine.
- * Write Elf note at the beginning of the buffer to indicate vmcore device
+ * Write ELF note at the beginning of the buffer to indicate vmcore device
  * dump and add the dump to global list.
  */
 int vmcore_add_device_dump(struct vmcoredd_data *data)

lib/buildid.c

···
 
 /**
  * build_id_parse_buf - Get build ID from a buffer
- * @buf:      Elf note section(s) to parse
+ * @buf:      ELF note section(s) to parse
  * @buf_size: Size of @buf in bytes
  * @build_id: Build ID parsed from @buf, at least BUILD_ID_SIZE_MAX long
  *

sound/soc/codecs/rt5677.c

···
 	if (strncmp(elf_hdr->e_ident, ELFMAG, sizeof(ELFMAG) - 1))
 		dev_err(component->dev, "Wrong ELF header prefix\n");
 	if (elf_hdr->e_ehsize != sizeof(Elf32_Ehdr))
-		dev_err(component->dev, "Wrong Elf header size\n");
+		dev_err(component->dev, "Wrong ELF header size\n");
 	if (elf_hdr->e_machine != EM_XTENSA)
 		dev_err(component->dev, "Wrong DSP code file\n");
 

tools/bpf/resolve_btfids/main.c

···
 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
 
 /*
- * resolve_btfids scans Elf object for .BTF_ids section and resolves
+ * resolve_btfids scans ELF object for .BTF_ids section and resolves
  * its symbols with BTF ID values.
  *
  * Each symbol points to 4 bytes data and is expected to have

tools/lib/bpf/libbpf.c

···
 		goto errout;
 	}
 
-	/* Elf is corrupted/truncated, avoid calling elf_strptr. */
+	/* ELF is corrupted/truncated, avoid calling elf_strptr. */
 	if (!elf_rawdata(elf_getscn(elf, obj->efile.shstrndx), NULL)) {
 		pr_warn("elf: failed to get section names strings from %s: %s\n",
 			obj->path, elf_errmsg(-1));

tools/lib/bpf/usdt.c

···
 		target->rel_ip = usdt_rel_ip;
 		target->sema_off = usdt_sema_off;
 
-		/* notes.args references strings from Elf itself, so they can
+		/* notes.args references strings from ELF itself, so they can
 		 * be referenced safely until elf_end() call
 		 */
 		target->spec_str = note.args;

tools/perf/util/symbol-elf.c

···
 	Elf_Scn *sec = NULL;
 	size_t cnt = 1;
 
-	/* Elf is corrupted/truncated, avoid calling elf_strptr. */
+	/* ELF is corrupted/truncated, avoid calling elf_strptr. */
 	if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL))
 		return NULL;