diff options
Diffstat (limited to 'sysdeps/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-osinfo.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h index befa804cb1..dfb4cde72d 100644 --- a/sysdeps/unix/sysv/linux/dl-osinfo.h +++ b/sysdeps/unix/sysv/linux/dl-osinfo.h @@ -43,45 +43,6 @@ dl_fatal (const char *str) static inline int __attribute__ ((always_inline)) _dl_discover_osversion (void) { -#if (defined NEED_DL_SYSINFO || defined NEED_DL_SYSINFO_DSO) && defined SHARED - if (GLRO(dl_sysinfo_map) != NULL) - { - /* If the kernel-supplied DSO contains a note indicating the kernel's - version, we don't need to call uname or parse any strings. */ - - static const struct - { - ElfW(Word) vendorlen; - ElfW(Word) datalen; - ElfW(Word) type; - char vendor[8]; - } expected_note = { sizeof "Linux", sizeof (ElfW(Word)), 0, "Linux" }; - const ElfW(Phdr) *const phdr = GLRO(dl_sysinfo_map)->l_phdr; - const ElfW(Word) phnum = GLRO(dl_sysinfo_map)->l_phnum; - for (uint_fast16_t i = 0; i < phnum; ++i) - if (phdr[i].p_type == PT_NOTE) - { - const ElfW(Addr) start = (phdr[i].p_vaddr - + GLRO(dl_sysinfo_map)->l_addr); - const struct - { - ElfW(Word) vendorlen; - ElfW(Word) datalen; - ElfW(Word) type; - } *note = (const void *) start; - while ((ElfW(Addr)) (note + 1) - start < phdr[i].p_memsz) - { - if (!memcmp (note, &expected_note, sizeof expected_note)) - return *(const ElfW(Word) *) ((const void *) note - + sizeof expected_note); -#define ROUND(len) (((len) + sizeof (ElfW(Word)) - 1) & -sizeof (ElfW(Word))) - note = ((const void *) (note + 1) - + ROUND (note->vendorlen) + ROUND (note->datalen)); - } - } - } -#endif - char bufmem[64]; char *buf = bufmem; unsigned int version; |