diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2006-08-23 21:22:10 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2006-08-23 21:22:10 +0000 |
| commit | 47a98a137d2ec982c9f58cf29c5299a6f5c8c5f2 (patch) | |
| tree | 845d33bf8fca0cb2e032d3213d77c5b74ac3d2ff /libexec/ld.so/arm | |
| parent | d9b6b238fa4502d20760fcb6e02a9c550fad83fc (diff) | |
Support arm libraries with DT_TEXTREL, has no affect for other libraries.
ok kettenis, 'in then' deraadt@
Diffstat (limited to 'libexec/ld.so/arm')
| -rw-r--r-- | libexec/ld.so/arm/rtld_machine.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/libexec/ld.so/arm/rtld_machine.c b/libexec/ld.so/arm/rtld_machine.c index 7524a6a5e6e..63225443da6 100644 --- a/libexec/ld.so/arm/rtld_machine.c +++ b/libexec/ld.so/arm/rtld_machine.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtld_machine.c,v 1.9 2005/09/22 01:33:08 drahn Exp $ */ +/* $OpenBSD: rtld_machine.c,v 1.10 2006/08/23 21:22:09 drahn Exp $ */ /* * Copyright (c) 2004 Dale Rahn @@ -156,9 +156,6 @@ static int reloc_target_bitmask[] = { void _dl_reloc_plt(Elf_Word *where, Elf_Addr value, Elf_Rel *rel); -/* -#define LD_ALLOW_WRITEABLE_TEXT -*/ int _dl_md_reloc(elf_object_t *object, int rel, int relsz) { @@ -167,9 +164,7 @@ _dl_md_reloc(elf_object_t *object, int rel, int relsz) long fails = 0; Elf_Addr loff; Elf_Rel *rels; -#ifdef LD_ALLOW_WRITEABLE_TEXT struct load_list *llist; -#endif loff = object->load_offs; numrel = object->Dyn.info[relsz] / sizeof(Elf_Rel); @@ -178,11 +173,10 @@ _dl_md_reloc(elf_object_t *object, int rel, int relsz) if (rels == NULL) return(0); -#ifdef LD_ALLOW_WRITEABLE_TEXT /* * unprotect some segments if we need it. */ - if ((rel == DT_REL || rel == DT_RELA)) { + if ((object->dyn.textrel == 1) && (rel == DT_REL || rel == DT_RELA)) { for (llist = object->load_list; llist != NULL; llist = llist->next) { @@ -191,7 +185,6 @@ _dl_md_reloc(elf_object_t *object, int rel, int relsz) llist->prot|PROT_WRITE); } } -#endif for (i = 0; i < numrel; i++, rels++) { Elf_Addr *where, value, ooff, mask; @@ -307,9 +300,8 @@ resolve_failed: } } -#ifdef LD_ALLOW_WRITEABLE_TEXT /* reprotect the unprotected segments */ - if ((rel == DT_REL || rel == DT_RELA)) { + if ((object->dyn.textrel == 1) && (rel == DT_REL || rel == DT_RELA)) { for (llist = object->load_list; llist != NULL; llist = llist->next) { @@ -318,7 +310,6 @@ resolve_failed: llist->prot); } } -#endif return (fails); } |