Lines Matching refs:kcore
2004 struct kcore { struct
2011 static int kcore__open(struct kcore *kcore, const char *filename) in kcore__open() argument
2015 kcore->fd = open(filename, O_RDONLY); in kcore__open()
2016 if (kcore->fd == -1) in kcore__open()
2019 kcore->elf = elf_begin(kcore->fd, ELF_C_READ, NULL); in kcore__open()
2020 if (!kcore->elf) in kcore__open()
2023 kcore->elfclass = gelf_getclass(kcore->elf); in kcore__open()
2024 if (kcore->elfclass == ELFCLASSNONE) in kcore__open()
2027 ehdr = gelf_getehdr(kcore->elf, &kcore->ehdr); in kcore__open()
2034 elf_end(kcore->elf); in kcore__open()
2036 close(kcore->fd); in kcore__open()
2040 static int kcore__init(struct kcore *kcore, char *filename, int elfclass, in kcore__init() argument
2043 kcore->elfclass = elfclass; in kcore__init()
2046 kcore->fd = mkstemp(filename); in kcore__init()
2048 kcore->fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0400); in kcore__init()
2049 if (kcore->fd == -1) in kcore__init()
2052 kcore->elf = elf_begin(kcore->fd, ELF_C_WRITE, NULL); in kcore__init()
2053 if (!kcore->elf) in kcore__init()
2056 if (!gelf_newehdr(kcore->elf, elfclass)) in kcore__init()
2059 memset(&kcore->ehdr, 0, sizeof(GElf_Ehdr)); in kcore__init()
2064 elf_end(kcore->elf); in kcore__init()
2066 close(kcore->fd); in kcore__init()
2071 static void kcore__close(struct kcore *kcore) in kcore__close() argument
2073 elf_end(kcore->elf); in kcore__close()
2074 close(kcore->fd); in kcore__close()
2077 static int kcore__copy_hdr(struct kcore *from, struct kcore *to, size_t count) in kcore__copy_hdr()
2113 static int kcore__add_phdr(struct kcore *kcore, int idx, off_t offset, in kcore__add_phdr() argument
2127 if (!gelf_update_phdr(kcore->elf, idx, &phdr)) in kcore__add_phdr()
2133 static off_t kcore__write(struct kcore *kcore) in kcore__write() argument
2135 return elf_update(kcore->elf, ELF_C_WRITE); in kcore__write()
2578 struct kcore kcore; in kcore_copy() local
2579 struct kcore extract; in kcore_copy()
2599 if (kcore__open(&kcore, kcore_filename)) in kcore_copy()
2602 if (kcore_copy__calc_maps(&kci, from_dir, kcore.elf)) in kcore_copy()
2605 if (kcore__init(&extract, extract_filename, kcore.elfclass, false)) in kcore_copy()
2608 if (kcore__copy_hdr(&kcore, &extract, kci.phnum)) in kcore_copy()
2631 if (copy_bytes(kcore.fd, p->offset, extract.fd, offs, p->len)) in kcore_copy()
2645 kcore__close(&kcore); in kcore_copy()
2661 struct kcore kcore; in kcore_extract__create() local
2662 struct kcore extract; in kcore_extract__create()
2667 if (kcore__open(&kcore, kce->kcore_filename)) in kcore_extract__create()
2671 if (kcore__init(&extract, kce->extract_filename, kcore.elfclass, true)) in kcore_extract__create()
2674 if (kcore__copy_hdr(&kcore, &extract, count)) in kcore_extract__create()
2684 if (copy_bytes(kcore.fd, kce->offs, extract.fd, offset, kce->len)) in kcore_extract__create()
2694 kcore__close(&kcore); in kcore_extract__create()