diff options
Diffstat (limited to 'elf/dl-load.h')
| -rw-r--r-- | elf/dl-load.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/elf/dl-load.h b/elf/dl-load.h index 1d5207694b..ecf6910c68 100644 --- a/elf/dl-load.h +++ b/elf/dl-load.h @@ -83,11 +83,14 @@ struct loadcmd /* This is a subroutine of _dl_map_segments. It should be called for each load command, some time after L->l_addr has been set correctly. It is - responsible for setting the l_phdr fields */ + responsible for setting up the l_text_end and l_phdr fields. */ static __always_inline void _dl_postprocess_loadcmd (struct link_map *l, const ElfW(Ehdr) *header, const struct loadcmd *c) { + if (c->prot & PROT_EXEC) + l->l_text_end = l->l_addr + c->mapend; + if (l->l_phdr == 0 && c->mapoff <= header->e_phoff && ((size_t) (c->mapend - c->mapstart + c->mapoff) @@ -100,7 +103,7 @@ _dl_postprocess_loadcmd (struct link_map *l, const ElfW(Ehdr) *header, /* This is a subroutine of _dl_map_object_from_fd. It is responsible for filling in several fields in *L: l_map_start, l_map_end, l_addr, - l_contiguous, l_phdr. On successful return, all the + l_contiguous, l_text_end, l_phdr. On successful return, all the segments are mapped (or copied, or whatever) from the file into their final places in the address space, with the correct page permissions, and any bss-like regions already zeroed. It returns a null pointer |