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authorTimo Teräs <timo.teras@iki.fi>2010-04-22 08:28:10 +0000
committerAustin Foxley <austinf@cetoncorp.com>2010-04-22 08:52:17 -0700
commitb93b98daf0dd45ac52f99fc4d906e5926cdd5239 (patch)
tree66c617599c0d459a479adc70c33d93c0631fbd8c /ldso/ldso/dl-elf.c
parentdfedf78cc696bb51069ca591c3be8f05018d5be1 (diff)
ldso: support RTLD_NODELETE and DF_1_NODELETE
Honor the nodelete flags so we don't delete shared library if it's sticky. This is useful for libpthread if it gets pulled in by a dlopen'ed library. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'ldso/ldso/dl-elf.c')
-rw-r--r--ldso/ldso/dl-elf.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c
index 8fb8ffa2d..5562e0784 100644
--- a/ldso/ldso/dl-elf.c
+++ b/ldso/ldso/dl-elf.c
@@ -337,6 +337,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
unsigned long *lpnt;
unsigned long libaddr;
unsigned long minvma = 0xffffffff, maxvma = 0;
+ unsigned int rtld_flags;
int i, flags, piclib, infile;
ElfW(Addr) relro_addr = 0;
size_t relro_size = 0;
@@ -700,7 +701,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
dpnt = (ElfW(Dyn) *) dynamic_addr;
_dl_memset(dynamic_info, 0, sizeof(dynamic_info));
- _dl_parse_dynamic_info(dpnt, dynamic_info, NULL, lib_loadaddr);
+ rtld_flags = _dl_parse_dynamic_info(dpnt, dynamic_info, NULL, lib_loadaddr);
/* If the TEXTREL is set, this means that we need to make the pages
writable before we perform relocations. Do this now. They get set
back again later. */
@@ -732,6 +733,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure,
tpnt->st_ino = st.st_ino;
tpnt->ppnt = (ElfW(Phdr) *) DL_RELOC_ADDR(tpnt->loadaddr, epnt->e_phoff);
tpnt->n_phent = epnt->e_phnum;
+ tpnt->rtld_flags |= rtld_flags;
#if defined(USE_TLS) && USE_TLS
if (tlsppnt) {
@@ -991,8 +993,8 @@ char *_dl_strdup(const char *string)
return retval;
}
-void _dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[],
- void *debug_addr, DL_LOADADDR_TYPE load_off)
+unsigned int _dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[],
+ void *debug_addr, DL_LOADADDR_TYPE load_off)
{
- __dl_parse_dynamic_info(dpnt, dynamic_info, debug_addr, load_off);
+ return __dl_parse_dynamic_info(dpnt, dynamic_info, debug_addr, load_off);
}