diff options
Diffstat (limited to 'elf/dl-load.c')
| -rw-r--r-- | elf/dl-load.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index ff7f5cf487..29ac0bfd87 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -59,7 +59,14 @@ Cambridge, MA 02139, USA. */ #define STRING(x) #x +#ifdef MAP_ANON +/* The fd is not examined when using MAP_ANON. */ +#define ANONFD -1 +#else int _dl_zerofd = -1; +#define ANONFD _dl_zerofd +#endif + size_t _dl_pagesize; @@ -176,6 +183,8 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname, if (header->e_phentsize != sizeof (ElfW(Phdr))) LOSE ("ELF file's phentsize not the expected size"); +#ifndef MAP_ANON +#define MAP_ANON 0 if (_dl_zerofd == -1) { _dl_zerofd = _dl_sysdep_open_zero_fill (); @@ -185,6 +194,7 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname, _dl_signal_error (errno, NULL, "cannot open zero fill device"); } } +#endif /* Enter the new object in the list of loaded objects. */ l = _dl_new_object (realname, name, l_type); @@ -329,7 +339,7 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname, caddr_t mapat; mapat = __mmap ((caddr_t) zeropage, zeroend - zeropage, c->prot, MAP_ANON|MAP_PRIVATE|MAP_FIXED, - _dl_zerofd, 0); + ANONFD, 0); if (mapat == (caddr_t) -1) lose (errno, "cannot map zero-fill pages"); } |