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-rw-r--r--sysdeps/unix/sysv/linux/i386/dl-librecon.h23
-rw-r--r--sysdeps/unix/sysv/linux/i386/readelflib.c19
2 files changed, 33 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/dl-librecon.h b/sysdeps/unix/sysv/linux/i386/dl-librecon.h
index 7d486c5d91..26311b32e4 100644
--- a/sysdeps/unix/sysv/linux/i386/dl-librecon.h
+++ b/sysdeps/unix/sysv/linux/i386/dl-librecon.h
@@ -48,6 +48,29 @@
/* Recognizing extra environment variables. */
#define EXTRA_LD_ENVVARS \
+ case 13: \
+ if (memcmp (&envline[3], "ASSUME_KERNEL", 13) == 0) \
+ { \
+ unsigned long int i, j, osversion = 0; \
+ char *p = &envline[17], *q; \
+ \
+ for (i = 0; i < 3; i++, p = q + 1) \
+ { \
+ j = __strtoul_internal (p, &q, 0, 0); \
+ if (j >= 255 || p == q || (i < 2 && *q && *q != '.')) \
+ { \
+ osversion = 0; \
+ break; \
+ } \
+ osversion |= j << (16 - 8 * i); \
+ if (!*q) \
+ break; \
+ } \
+ if (osversion) \
+ _dl_osversion = osversion; \
+ break; \
+ } \
+ \
case 15: \
if (memcmp (&envline[3], "LIBRARY_VERSION", 15) == 0) \
{ \
diff --git a/sysdeps/unix/sysv/linux/i386/readelflib.c b/sysdeps/unix/sysv/linux/i386/readelflib.c
index f8868bb083..cc219d2c3f 100644
--- a/sysdeps/unix/sysv/linux/i386/readelflib.c
+++ b/sysdeps/unix/sysv/linux/i386/readelflib.c
@@ -20,23 +20,24 @@
int process_elf32_file (const char *file_name, const char *lib, int *flag,
- char **soname, void *file_contents,
- size_t file_length);
+ unsigned int *osversion, char **soname,
+ void *file_contents, size_t file_length);
int process_elf64_file (const char *file_name, const char *lib, int *flag,
- char **soname, void *file_contents,
- size_t file_length);
+ unsigned int *osversion, char **soname,
+ void *file_contents, size_t file_length);
/* Returns 0 if everything is ok, != 0 in case of error. */
int
process_elf_file (const char *file_name, const char *lib, int *flag,
- char **soname, void *file_contents, size_t file_length)
+ unsigned int *osversion, char **soname, void *file_contents,
+ size_t file_length)
{
ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
int ret;
if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
- return process_elf32_file (file_name, lib, flag, soname, file_contents,
- file_length);
+ return process_elf32_file (file_name, lib, flag, osversion, soname,
+ file_contents, file_length);
else
{
switch (elf_header->e_machine)
@@ -50,8 +51,8 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
return 1;
}
- ret = process_elf64_file (file_name, lib, flag, soname, file_contents,
- file_length);
+ ret = process_elf64_file (file_name, lib, flag, osversion, soname,
+ file_contents, file_length);
/* IA64/X86-64 64bit libraries are always libc.so.6+. */
if (!ret)
switch (elf_header->e_machine)