diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2005-07-07 04:46:29 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2005-07-07 04:46:29 +0000 |
| commit | f7437324306a4ed6d81b6e112059684b90773cde (patch) | |
| tree | 9569e5a6ded9bc5cf6ba03de41b8a34fd98f4511 /ldso | |
| parent | ce9f1cf9c26bbc4e0cf23c14d8058e1847b1dd8a (diff) | |
| download | uClibc-alpine-f7437324306a4ed6d81b6e112059684b90773cde.tar.bz2 uClibc-alpine-f7437324306a4ed6d81b6e112059684b90773cde.tar.xz | |
make RUNPATH/RPATH support configurable
Diffstat (limited to 'ldso')
| -rw-r--r-- | ldso/include/dl-elf.h | 2 | ||||
| -rw-r--r-- | ldso/ldso/dl-elf.c | 13 |
2 files changed, 11 insertions, 4 deletions
diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h index 6ecdfddfb..a3e453f58 100644 --- a/ldso/include/dl-elf.h +++ b/ldso/include/dl-elf.h @@ -106,10 +106,12 @@ void __dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info[], void dynamic_info[DT_BIND_NOW] = 1; if (dpnt->d_tag == DT_TEXTREL) dynamic_info[DT_TEXTREL] = 1; +#ifdef __LDSO_RUNPATH__ if (dpnt->d_tag == DT_RUNPATH) dynamic_info[DT_RPATH] = 0; if (dpnt->d_tag == DT_RPATH && dynamic_info[DT_RUNPATH]) dynamic_info[DT_RPATH] = 0; +#endif } else if (dpnt->d_tag < DT_LOPROC) { if (dpnt->d_tag == DT_RELOCCOUNT) dynamic_info[DT_RELCONT_IDX] = dpnt->d_un.d_val; diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c index d15621ea3..bf0e1bb03 100644 --- a/ldso/ldso/dl-elf.c +++ b/ldso/ldso/dl-elf.c @@ -255,7 +255,7 @@ unsigned long _dl_internal_error_number; struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, struct elf_resolve *tpnt, char *full_libname, int __attribute__((unused)) trace_loaded_objects) { - char *pnt, *pnt1; + char *pnt; struct elf_resolve *tpnt1; char *libname; @@ -269,9 +269,9 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, /* Skip over any initial initial './' and '/' stuff to * get the short form libname with no path garbage */ - pnt1 = _dl_strrchr(libname, '/'); - if (pnt1) { - libname = pnt1 + 1; + pnt = _dl_strrchr(libname, '/'); + if (pnt) { + libname = pnt + 1; } /* Critical step! Weed out duplicates early to avoid @@ -300,6 +300,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, * The ABI specifies that RPATH is searched before LD_LIBRARY_PATH or * the default path of /usr/lib. Check in rpath directories. */ +#ifdef __LDSO_RUNPATH__ pnt = (tpnt ? (char *) tpnt->dynamic_info[DT_RPATH] : NULL); if (pnt) { pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB]; @@ -307,6 +308,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt)) != NULL) return tpnt1; } +#endif /* Check in LD_{ELF_}LIBRARY_PATH, if specified and allowed */ if (_dl_library_path) { @@ -316,9 +318,11 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, return tpnt1; } } + /* * The ABI specifies that RUNPATH is searched after LD_LIBRARY_PATH. */ +#ifdef __LDSO_RUNPATH__ pnt = (tpnt ? (char *)tpnt->dynamic_info[DT_RUNPATH] : NULL); if (pnt) { pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB]; @@ -326,6 +330,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt)) != NULL) return tpnt1; } +#endif /* * Where should the cache be searched? There is no such concept in the |