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| author | Ulrich Drepper <drepper@redhat.com> | 1999-02-20 09:52:46 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-02-20 09:52:46 +0000 |
| commit | 24d6084042539edf4ea7bf8dca3acfde8eea1600 (patch) | |
| tree | 40325b8cefa3ce5782056e904103afc807563254 /elf/dl-reloc.c | |
| parent | 57846308af51c23f3d442ad68ec667469961cb97 (diff) | |
| download | glibc-24d6084042539edf4ea7bf8dca3acfde8eea1600.tar.gz glibc-24d6084042539edf4ea7bf8dca3acfde8eea1600.tar.xz glibc-24d6084042539edf4ea7bf8dca3acfde8eea1600.zip | |
Update.
* elf/dl-load.c (_dl_map_object_from_fd): Use global _dl_pf_to_proot array to convert p_flags value. * elf/dl-reloc.c (_dl_relocate_object): Likewise.
Diffstat (limited to 'elf/dl-reloc.c')
| -rw-r--r-- | elf/dl-reloc.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c index 35ef88ab71..be860af940 100644 --- a/elf/dl-reloc.c +++ b/elf/dl-reloc.c @@ -1,5 +1,5 @@ /* Relocate a shared object and resolve its references to other loaded objects. - Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -108,11 +108,21 @@ _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[], caddr_t mapend = ((caddr_t) l->l_addr + ((ph->p_vaddr + ph->p_memsz + _dl_pagesize - 1) & ~(_dl_pagesize - 1))); - int prot = 0; - if (ph->p_flags & PF_R) - prot |= PROT_READ; - if (ph->p_flags & PF_X) - prot |= PROT_EXEC; + extern unsigned char _dl_pf_to_prot[8]; + int prot; + + if ((PF_R | PF_W | PF_X) == 7 + && (PROT_READ | PROT_WRITE | PROT_EXEC) == 7) + prot = _dl_pf_to_prot[ph->p_flags & (PF_R | PF_X)]; + else + { + prot = 0; + if (ph->p_flags & PF_R) + prot |= PROT_READ; + if (ph->p_flags & PF_X) + prot |= PROT_EXEC; + } + if (__mprotect (mapstart, mapend - mapstart, prot) < 0) _dl_signal_error (errno, l->l_name, "can't restore segment prot after reloc"); |