diff options
Diffstat (limited to 'libexec/rtld-elf/map_object.c')
| -rw-r--r-- | libexec/rtld-elf/map_object.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libexec/rtld-elf/map_object.c b/libexec/rtld-elf/map_object.c index 0f75cca..2e17fbf 100644 --- a/libexec/rtld-elf/map_object.c +++ b/libexec/rtld-elf/map_object.c @@ -68,6 +68,7 @@ map_object(int fd, const char *path, const struct stat *sb) Elf_Addr base_vaddr; Elf_Addr base_vlimit; caddr_t base_addr; + int base_flags; Elf_Off data_offset; Elf_Addr data_vaddr; Elf_Addr data_vlimit; @@ -176,9 +177,11 @@ map_object(int fd, const char *path, const struct stat *sb) base_vlimit = round_page(segs[nsegs]->p_vaddr + segs[nsegs]->p_memsz); mapsize = base_vlimit - base_vaddr; base_addr = (caddr_t) base_vaddr; + base_flags = MAP_PRIVATE | MAP_ANON | MAP_NOCORE; + if (npagesizes > 1 && round_page(segs[0]->p_filesz) >= pagesizes[1]) + base_flags |= MAP_ALIGNED_SUPER; - mapbase = mmap(base_addr, mapsize, PROT_NONE, MAP_ANON | MAP_PRIVATE | - MAP_NOCORE, -1, 0); + mapbase = mmap(base_addr, mapsize, PROT_NONE, base_flags, -1, 0); if (mapbase == (caddr_t) -1) { _rtld_error("%s: mmap of entire address space failed: %s", path, rtld_strerror(errno)); |
