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authorUlrich Drepper <drepper@redhat.com>1998-07-02 22:51:40 +0000
committerUlrich Drepper <drepper@redhat.com>1998-07-02 22:51:40 +0000
commitb0b67c47a5812eae16b0ae3b0a8eeca5a4be9528 (patch)
tree36a758869687c8c769a896ccfeac99cc1efffee8 /elf
parent4c223a7cf65bead4a78da1495bebd2df020b9722 (diff)
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Update.
1998-07-02 21:51 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Define list of subdirs as all-subdirs and make subdirs a copy. * Makefile: Add rules to generate map files. (distribute): Remove libc.map, add Versions.def and versions.awk. * Makerules: Change rules to find map files on common-objpfx. * elf/Makefile: Likewise. * md5-crypt/Makefile: Likewise. * nis/Makefile (libnsl-map): Remove. * Versions.def: New file. * versions.awk: New file. * argp/Versions: New file. * assert/Versions: New file. * catgets/Versions: New file. * csu/Versions: New file. * ctype/Versions: New file. * db/Versions: New file. * debug/Versions: New file. * dirent/Versions: New file. * elf/Versions: New file. * gmon/Versions: New file. * grp/Versions: New file. * hesiod/Versions: New file. * hurd/Versions: New file. * iconv/Versions: New file. * inet/Versions: New file. * intl/Versions: New file. * io/Versions: New file. * libio/Versions: New file. * linuxthreads/Versions: New file. * locale/Versions: New file. * login/Versions: New file. * malloc/Versions: New file. * math/Versions: New file. * md5-crypt/Versions: New file. * misc/Versions: New file. * nis/Versions: New file. * nss/Versions: New file. * posix/Versions: New file. * pwd/Versions: New file. * resolv/Versions: New file. * resource/Versions: New file. * rt/Versions: New file. * setjmp/Versions: New file. * shadow/Versions: New file. * signal/Versions: New file. * socket/Versions: New file. * stdio/Versions: New file. * stdio-common/Versions: New file. * stdlib/Versions: New file. * streams/Versions: New file. * string/Versions: New file. * sunrpc/Versions: New file. * sysdeps/alpha/Versions: New file. * sysdeps/alpha/fpu/Versions: New file. * sysdeps/i386/Versions: New file. * sysdeps/sparc/Versions: New file. * sysdeps/unix/sysv/Versions: New file. * sysdeps/unix/sysv/linux/Versions: New file. * sysdeps/unix/sysv/linux/alpha/Versions: New file. * sysdeps/unix/sysv/linux/i386/Versions: New file. * sysdeps/unix/sysv/linux/mips/Versions: New file. * sysvipc/Versions: New file. * termios/Versions: New file. * time/Versions: New file. * wcsmbs/Versions: New file. * wctype/Versions: New file. * libc.map: Removed. * db/libdb.map: Removed. * elf/libdl.map: Removed. * hesiod/libnss_hesiod.map: Removed. * hurd/libhurduser.map: Removed. * hurd/libmachuser.map: Removed. * linuxthreads/libpthread.map: Removed. * locale/libBrokenLocale.map: Removed. * login/libutil.map: Removed. * math/libm.map: Removed. * md5-crypt/libcrypt.map: Removed. * nis/libnsl.map: Removed. * nis/libnsl_compat.map: Removed. * nis/libnss_nis.map: Removed. * nis/libnss_nisplus.map: Removed. * nss/libnss_db.map: Removed. * nss/libnss_files.map: Removed. * resolv/libnss_dns.map: Removed. * resolv/libresolv.map: Removed. * rt/librt.map: Removed. * elf/dl-load.c (fillin_rpath): Fix test for trusted directory. Fix typos. * elf/rtld.c (process_dl_debug): Recognize 'all'. (process_envvars): LD_BIND_NOW must be followed by y, Y, or 1. * sysdeps/generic/elf/backtracesyms.c: Allocate string memory of correct size. * sysdeps/unix/sysv/linux/getsysstats.c (get_proc_path): Fix typo in comment.
Diffstat (limited to 'elf')
-rw-r--r--elf/Makefile2
-rw-r--r--elf/Versions35
-rw-r--r--elf/dl-load.c19
-rw-r--r--elf/libdl.map7
-rw-r--r--elf/rtld.c20
5 files changed, 65 insertions, 18 deletions
diff --git a/elf/Makefile b/elf/Makefile
index dedc3d5..243761c 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -35,7 +35,7 @@ elide-routines.os = $(dl-routines) dl-support enbl-secure
# ld.so uses those routines, plus some special stuff for being the program
# interpreter and operating independent of libc.
rtld-routines := rtld $(dl-routines) dl-sysdep dl-minimal
-ld-map = $(..)libc.map
+ld-map = $(common-objpfx)libc.map
distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
dl-hash.h soinit.c sofini.c ldd.sh.in ldd.bash.in eval.c \
genrtldtbl.awk atomicity.h dl-procinfo.h ldsodefs.h \
diff --git a/elf/Versions b/elf/Versions
new file mode 100644
index 0000000..d908c59
--- /dev/null
+++ b/elf/Versions
@@ -0,0 +1,35 @@
+libc {
+ GLIBC_2.0 {
+ # global variables
+ _dl_debug_impcalls; _dl_debug_fd;
+
+ # functions used in other libraries
+ _dl_open; _dl_close; _dl_addr; _dl_sysdep_output; _dl_debug_message;
+
+ # Those are in the dynamic linker, but used by libc.so.
+ __libc_enable_secure; _dl_catch_error; _dl_check_all_versions;
+ _dl_debug_initialize; _dl_debug_state; _dl_default_scope;
+ _dl_global_scope_end; _dl_init_next; _dl_lookup_symbol;
+ _dl_map_object; _dl_map_object_deps; _dl_object_relocation_scope;
+ _dl_relocate_object; _dl_signal_error; _dl_starting_up;
+ _dl_sysdep_start; _r_debug;
+ _dl_global_scope; _dl_lookup_symbol_skip;
+ _dl_lookup_versioned_symbol; _dl_lookup_versioned_symbol_skip;
+ }
+ GLIBC_2.1 {
+ # global variables
+ _dl_profile; _dl_profile_map; _dl_profile_output; _dl_start_profile;
+
+ # functions used in other libraries
+ _dl_mcount; _dl_mcount_wrapper;
+ }
+}
+
+libdl {
+ GLIBC_2.0 {
+ dladdr; dlclose; dlerror; dlopen; dlsym;
+ }
+ GLIBC_2.1 {
+ dlvsym;
+ }
+}
diff --git a/elf/dl-load.c b/elf/dl-load.c
index ad981bc..b14e52f 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -204,13 +204,14 @@ fillin_rpath (char *rpath, struct r_search_path_elem **result, const char *sep,
{
const char **trun = trusted;
- /* All trusted directory must be complete name. */
+ /* All trusted directories must be complete names. */
if (cp[0] != '/')
continue;
while (*trun != NULL
&& (memcmp (*trun, cp, len) != 0
- || ((*trun)[len] != '/' && (*trun)[len + 1] != '\0')))
+ || (*trun)[len] != '/'
+ || (*trun)[len + 1] != '\0'))
++trun;
if (*trun == NULL)
@@ -392,7 +393,7 @@ _dl_init_paths (const char *llp)
if (rtld_search_dirs[0] == NULL)
_dl_signal_error (ENOMEM, NULL, "cannot create cache for search path");
- pelem = all_dirs= rtld_search_dirs[0];
+ pelem = all_dirs = rtld_search_dirs[0];
for (strp = system_dirs; *strp != NULL; ++strp, pelem += round_size)
{
size_t cnt;
@@ -904,12 +905,13 @@ open_path (const char *name, size_t namelen, int preloaded,
return -1;
}
- buf = __alloca (max_dirnamelen + max_capstrlen + namelen + 1);
+ buf = __alloca (max_dirnamelen + max_capstrlen + namelen);
do
{
struct r_search_path_elem *this_dir = *dirs;
size_t buflen = 0;
size_t cnt;
+ char *edp;
/* If we are debugging the search for libraries print the path
now if it hasn't happened now. */
@@ -919,6 +921,7 @@ open_path (const char *name, size_t namelen, int preloaded,
print_search_path (dirs, current_what, this_dir->where);
}
+ edp = (char *) __mempcpy (buf, this_dir->dirname, this_dir->dirnamelen);
for (cnt = 0; fd == -1 && cnt < ncapstr; ++cnt)
{
/* Skip this directory if we know it does not exist. */
@@ -926,8 +929,7 @@ open_path (const char *name, size_t namelen, int preloaded,
continue;
buflen =
- ((char *) __mempcpy (__mempcpy (__mempcpy (buf, this_dir->dirname,
- this_dir->dirnamelen),
+ ((char *) __mempcpy (__mempcpy (edp,
capstr[cnt].str, capstr[cnt].len),
name, namelen)
- buf);
@@ -946,12 +948,11 @@ open_path (const char *name, size_t namelen, int preloaded,
test whether there is any directory at all. */
struct stat st;
- buf[this_dir->dirnamelen
- + MAX (capstr[cnt].len - 1, 0)] = '\0';
+ buf[buflen - namelen - 1] = '\0';
if (__xstat (_STAT_VER, buf, &st) != 0
|| ! S_ISDIR (st.st_mode))
- /* The directory does not exist ot it is no directory. */
+ /* The directory does not exist or it is no directory. */
this_dir->status[cnt] = nonexisting;
else
this_dir->status[cnt] = existing;
diff --git a/elf/libdl.map b/elf/libdl.map
deleted file mode 100644
index 4bd2145..0000000
--- a/elf/libdl.map
+++ /dev/null
@@ -1,7 +0,0 @@
-GLIBC_2.0 {
- global:
- dladdr; dlclose; dlerror; dlopen; dlsym; dlvsym;
-
- local:
- *;
-};
diff --git a/elf/rtld.c b/elf/rtld.c
index 5bd4b7c..bf4a142 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -968,6 +968,22 @@ process_dl_debug (const char *dl_debug)
switch (len)
{
+ case 3:
+ /* This option is not documented since it is not generally
+ useful. */
+ if (memcmp (dl_debug, "all", 3) == 0)
+ {
+ _dl_debug_libs = 1;
+ _dl_debug_impcalls = 1;
+ _dl_debug_reloc = 1;
+ _dl_debug_files = 1;
+ _dl_debug_symbols = 1;
+ _dl_debug_bindings = 1;
+ _dl_debug_versions = 1;
+ any_debug = 1;
+ }
+ break;
+
case 4:
if (memcmp (dl_debug, "help", 4) == 0)
{
@@ -1117,7 +1133,9 @@ process_envvars (enum mode *modep, int *lazyp)
case 8:
/* Do we bind early? */
- if (memcmp (&envline[3], "BIND_NOW", 8) == 0)
+ if (memcmp (&envline[3], "BIND_NOW", 8) == 0
+ && (envline[12] == '1' || envline[12] == 'y'
+ || envline[12] == 'Y'))
bind_now = 1;
break;