aboutsummaryrefslogtreecommitdiff
path: root/elf
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2001-11-10 22:47:40 +0000
committerUlrich Drepper <drepper@redhat.com>2001-11-10 22:47:40 +0000
commit9d63abbc7fa8a80190d80b4fbc088fdc3f0c7e4d (patch)
tree877f2dc684212b1858a5b2727512fe12666a9b7f /elf
parent94a758fe850a09fd39dcb61e49ac9060959f8aa5 (diff)
downloadglibc-9d63abbc7fa8a80190d80b4fbc088fdc3f0c7e4d.tar
glibc-9d63abbc7fa8a80190d80b4fbc088fdc3f0c7e4d.tar.gz
glibc-9d63abbc7fa8a80190d80b4fbc088fdc3f0c7e4d.tar.bz2
glibc-9d63abbc7fa8a80190d80b4fbc088fdc3f0c7e4d.zip
Update.
2001-11-10 Ulrich Drepper <drepper@redhat.com> * elf/dl-load.c (_dl_map_object_from_fd): Remove use of _dl_pf_to_prot. Use arithmetic operation using PF_TO_PROT macro. * sysdeps/generic/ldsodefs.h (PF_TO_PROT): New macro. * elf/dl-reloc.c (_dl_relocate_object): Likewise.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-reloc.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c
index efdccea151..da964b7948 100644
--- a/elf/dl-reloc.c
+++ b/elf/dl-reloc.c
@@ -167,20 +167,20 @@ cannot make segment writable for relocation"));
caddr_t mapend = ((caddr_t) l->l_addr +
((ph->p_vaddr + ph->p_memsz + _dl_pagesize - 1)
& ~(_dl_pagesize - 1)));
- 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 (PF_R | PF_W | PF_X) == 7 && (PROT_READ | PROT_WRITE | PROT_EXEC) == 7
+ prot = (PF_TO_PROT
+ >> ((ph->p_flags & (PF_R | PF_W | PF_X)) * 4)) & 0xf;
+#else
+ prot = 0;
+ if (ph->p_flags & PF_R)
+ prot |= PROT_READ;
+ if (ph->p_flags & PF_W)
+ prot |= PROT_WRITE;
+ if (ph->p_flags & PF_X)
+ prot |= PROT_EXEC;
+#endif
if (__builtin_expect (__mprotect (mapstart, mapend - mapstart,
prot), 0) < 0)