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-rw-r--r--Makefile13
-rw-r--r--ldso/include/dl-elf.h3
-rw-r--r--ldso/include/ld_elf.h3
-rw-r--r--ldso/util/Makefile64
-rw-r--r--ldso/util/ldconfig.c103
-rw-r--r--ldso/util/readsoname.c6
6 files changed, 90 insertions, 102 deletions
diff --git a/Makefile b/Makefile
index d0da77cbd..5284c502f 100644
--- a/Makefile
+++ b/Makefile
@@ -346,16 +346,13 @@ endif
install_target_utils:
ifeq ($(strip $(HAVE_SHARED)),y)
- @$(MAKE) -C ldso/util ldd.target readelf.target #ldconfig.target
+ @$(MAKE) -C ldso/util ldd.target ldconfig.target #readelf.target
+ install -d $(PREFIX)$(TARGET_PREFIX)/etc;
+ install -d $(PREFIX)$(TARGET_PREFIX)/sbin;
install -d $(PREFIX)$(TARGET_PREFIX)/usr/bin;
install -m 755 ldso/util/ldd.target $(PREFIX)$(TARGET_PREFIX)/usr/bin/ldd
- install -m 755 ldso/util/readelf.target $(PREFIX)$(TARGET_PREFIX)/usr/bin/readelf
- @if [ -x ldso/util/ldconfig.target ] ; then \
- set -x -e; \
- install -d $(PREFIX)$(TARGET_PREFIX)/etc; \
- install -d $(PREFIX)$(TARGET_PREFIX)/sbin; \
- install -m 755 ldso/util/ldconfig.target $(PREFIX)$(TARGET_PREFIX)/sbin/ldconfig; \
- fi;
+ install -m 755 ldso/util/ldconfig.target $(PREFIX)$(TARGET_PREFIX)/sbin/ldconfig;
+ #install -m 755 ldso/util/readelf.target $(PREFIX)$(TARGET_PREFIX)/usr/bin/readelf;
endif
ifeq ($(strip $(UCLIBC_HAS_LOCALE)),y)
@$(MAKE) -C libc/misc/wchar iconv.target
diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h
index 992a608b1..db9ee9556 100644
--- a/ldso/include/dl-elf.h
+++ b/ldso/include/dl-elf.h
@@ -19,9 +19,10 @@
#define LIB_ANY -1
#define LIB_DLL 0
#define LIB_ELF 1
+#define LIB_ELF64 0x80
#define LIB_ELF_LIBC5 2
#define LIB_ELF_LIBC6 3
-#define LIB_ELF64 0x80
+#define LIB_ELF_LIBC0 4
/* Forward declarations for stuff defined in ld_hash.h */
struct dyn_elf;
diff --git a/ldso/include/ld_elf.h b/ldso/include/ld_elf.h
index 992a608b1..db9ee9556 100644
--- a/ldso/include/ld_elf.h
+++ b/ldso/include/ld_elf.h
@@ -19,9 +19,10 @@
#define LIB_ANY -1
#define LIB_DLL 0
#define LIB_ELF 1
+#define LIB_ELF64 0x80
#define LIB_ELF_LIBC5 2
#define LIB_ELF_LIBC6 3
-#define LIB_ELF64 0x80
+#define LIB_ELF_LIBC0 4
/* Forward declarations for stuff defined in ld_hash.h */
struct dyn_elf;
diff --git a/ldso/util/Makefile b/ldso/util/Makefile
index 4765fd2e3..87e69b4ea 100644
--- a/ldso/util/Makefile
+++ b/ldso/util/Makefile
@@ -24,59 +24,77 @@ TOPDIR=../../
include $(TOPDIR)Rules.mak
TARGET_CC = $(TOPDIR)extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc
-TARGETS = ldd
+TARGETS = ldd ldconfig
ifeq ($(OSTYPE),linux)
TARGETS += readelf
endif
-ifneq ($(strip $(LIBRARY_CACHE)),)
-TARGETS += ldconfig
-endif
-all: $(TARGETS)
+#ifneq ($(strip $(LIBRARY_CACHE)),)
+#TARGETS += ldconfig
+#endif
ifeq ($(strip $(LDSO_LDD_SUPPORT)),y)
-XXFLAGS=-D__LDSO_LDD_SUPPORT
+XXFLAGS = -D__LDSO_LDD_SUPPORT
endif
+all: $(TARGETS)
+
headers:
ln -fs $(TOPDIR)include/elf.h
-readelf: headers readelf.c
- $(HOSTCC) $(HOSTCFLAGS) -I . readelf.c -o $@
+readelf: readelf.c
+ $(HOSTCC) $(HOSTCFLAGS) -I. -I../include $^ -o $@
strip -x -R .note -R .comment $@
readelf.target: readelf.c
- $(TARGET_CC) $(CFLAGS) -Wl,-s readelf.c -o $@
+ $(TARGET_CC) $(CFLAGS) -Wl,-s $^ -o $@
$(STRIPTOOL) -x -R .note -R .comment $@
-readsoname.o: headers readsoname.c readsoname2.c
- $(HOSTCC) $(HOSTCFLAGS) -I . -c $< -o $@
- strip -x -R .note -R .comment $*.o
-
-ldconfig.o: headers ldconfig.c
- $(HOSTCC) $(HOSTCFLAGS) -I . \
- -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" -c $< -o $@
+readsoname.o: readsoname.c readsoname2.c
+ $(HOSTCC) $(HOSTCFLAGS) -I. -I../include -c $< -o $@
strip -x -R .note -R .comment $*.o
-ldconfig: headers ldconfig.o readsoname.o
- $(HOSTCC) $(HOSTCFLAGS) $^ -o $@
+#ldconfig.o: ldconfig.c
+# $(HOSTCC) $(HOSTCFLAGS) -I. -I../include \
+# -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" -c $< -o $@
+# strip -x -R .note -R .comment $*.o
+
+#ldconfig: ldconfig.o readsoname.o
+# $(HOSTCC) $(HOSTCFLAGS) $^ -o $@
+# strip -x -R .note -R .comment $@
+
+ldconfig: ldconfig.c readsoname.c
+ $(HOSTCC) $(HOSTCFLAGS) $(XXFLAGS) -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" \
+ -DUCLIBC_DEVEL_PREFIX=\"$(DEVEL_PREFIX)\" \
+ -DUCLIBC_BUILD_DIR=\"$(shell cd $(TOPDIR) && pwd)\" \
+ -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" -I. -I../include \
+ $^ -o $@
strip -x -R .note -R .comment $@
-ldd: headers ldd.c
+ldconfig.target: ldconfig.c readsoname.c
+ $(TARGET_CC) $(CFLAGS) $(XXFLAGS) -Wl,-s -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" \
+ -DUCLIBC_DEVEL_PREFIX=\"$(DEVEL_PREFIX)\" \
+ -DUCLIBC_BUILD_DIR=\"$(shell cd $(TOPDIR) && pwd)\" \
+ -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" -I. -I../include \
+ $^ -o $@
+ $(STRIPTOOL) -x -R .note -R .comment $@
+
+ldd: ldd.c
$(HOSTCC) $(HOSTCFLAGS) $(XXFLAGS) -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" \
-DUCLIBC_DEVEL_PREFIX=\"$(DEVEL_PREFIX)\" \
-DUCLIBC_BUILD_DIR=\"$(shell cd $(TOPDIR) && pwd)\" \
- -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" -I . \
- ldd.c -o $@
+ -DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" -I. -I../include \
+ $^ -o $@
strip -x -R .note -R .comment $@
-ldd.target: ldd.c
+ldd.target: ldd.c
$(TARGET_CC) $(CFLAGS) $(XXFLAGS) -Wl,-s -DUCLIBC_TARGET_PREFIX=\"$(TARGET_PREFIX)\" \
-DUCLIBC_DEVEL_PREFIX=\"$(DEVEL_PREFIX)\" \
-DUCLIBC_BUILD_DIR=\"$(shell cd $(TOPDIR) && pwd)\" \
-DUCLIBC_LDSO=\"$(UCLIBC_LDSO)\" \
- ldd.c -o $@
+ $^ -o $@
$(STRIPTOOL) -x -R .note -R .comment $@
clean:
rm -f $(TARGETS) *.o *~ core *.target elf.h
+readelf.c readsoname.c ldconfig.c ldd.c: headers
diff --git a/ldso/util/ldconfig.c b/ldso/util/ldconfig.c
index f90cb073f..e971f5aa1 100644
--- a/ldso/util/ldconfig.c
+++ b/ldso/util/ldconfig.c
@@ -33,11 +33,12 @@
#include <dirent.h>
#include <unistd.h>
#include <link.h>
-#include <sys/stat.h>
#include <fcntl.h>
-#include <sys/mman.h>
+#include <err.h>
#include <errno.h>
-#include <ldso.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <ld_elf.h>
#include "readsoname.h"
struct exec
@@ -66,10 +67,6 @@ struct exec
#define QMAGIC 0314
/* Code indicating core file. */
#define CMAGIC 0421
-#ifdef __GNUC__
-void warn(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
-void error(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
-#endif
char *___strtok = NULL;
@@ -100,46 +97,11 @@ void cache_print(void);
void cache_dolib(const char *dir, const char *so, int libtype);
void cache_write(void);
-void warn(const char *fmt, ...)
-{
- va_list ap;
-
- if (verbose < 0)
- return;
-
- fflush(stdout); /* don't mix output and error messages */
- fprintf(stderr, "%s: warning: ", prog);
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\n");
-
- return;
-}
-
-void error(const char *fmt, ...)
-{
- va_list ap;
-
- fflush(stdout); /* don't mix output and error messages */
- fprintf(stderr, "%s: ", prog);
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\n");
-
- exit(EXIT_FATAL);
-}
-
void *xmalloc(size_t size)
{
void *ptr;
if ((ptr = malloc(size)) == NULL)
- error("out of memory");
+ err(EXIT_FATAL,"out of memory");
return ptr;
}
@@ -147,7 +109,7 @@ char *xstrdup(const char *str)
{
char *ptr;
if ((ptr = strdup(str)) == NULL)
- error("out of memory");
+ err(EXIT_FATAL,"out of memory");
return ptr;
}
@@ -470,8 +432,10 @@ void scan_dir(const char *name)
{
if (!lp->islink)
link_shlib(name, lp->name, lp->so);
+#ifdef USE_CACHE
if (!nocache)
cache_dolib(name, lp->so, lp->libtype);
+#endif
}
/* always try to clean up after ourselves */
@@ -520,11 +484,10 @@ char *get_extpath(void)
void usage(void)
{
fprintf(stderr,
- "ldconfig - update shared library symlinks\n"
- "\n"
- "usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
+ "ldconfig - updates symlinks for shared libraries\n\n"
+ "Usage: ldconfig [-DvqnNX] [-f conf] [-C cache] [-r root] dir ...\n"
" ldconfig -l [-Dv] lib ...\n"
- " ldconfig -p\n"
+ " ldconfig -p\n\nOptions:\n"
"\t-D:\t\tdebug mode, don't update links\n"
"\t-v:\t\tverbose mode, print things as we go\n"
"\t-q:\t\tquiet mode, don't print warnings\n"
@@ -537,9 +500,7 @@ void usage(void)
"\t-C cache:\tuse cache instead of %s\n"
"\t-r root :\tfirst, do a chroot to the indicated directory\n"
"\tdir ... :\tdirectories to process\n"
- "\tlib ... :\tlibraries to link\n"
- "\n"
- "Copyright 1994-2000 David Engel and Mitch D'Souza\n",
+ "\tlib ... :\tlibraries to link\n\n",
LDSO_CONF, LDSO_CACHE
);
exit(EXIT_FATAL);
@@ -610,9 +571,9 @@ int main(int argc, char **argv)
if (chroot_dir && *chroot_dir) {
if (chroot(chroot_dir) < 0)
- error("couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
+ err(EXIT_FATAL,"couldn't chroot to %s (%s)", chroot_dir, strerror(errno));
if (chdir("/") < 0)
- error("couldn't chdir to / (%s)", strerror(errno));
+ err(EXIT_FATAL,"couldn't chdir to / (%s)", strerror(errno));
}
/* allow me to introduce myself, hi, my name is ... */
@@ -622,7 +583,11 @@ int main(int argc, char **argv)
if (printcache)
{
/* print the cache -- don't you trust me? */
+#ifdef USE_CACHE
cache_print();
+#else
+ warnx("Cache support disabled\n");
+#endif
exit(EXIT_OK);
}
else if (libmode)
@@ -649,7 +614,7 @@ int main(int argc, char **argv)
/* we'd better do a little bit of checking */
if ((so = is_shlib(dir, cp, &libtype, &islink, LIB_ANY)) == NULL)
- error("%s%s%s is not a shared library", dir,
+ err(EXIT_FATAL,"%s%s%s is not a shared library", dir,
(*dir && strcmp(dir, "/")) ? "/" : "", cp);
/* so far, so good, maybe he knows what he's doing */
@@ -687,13 +652,16 @@ int main(int argc, char **argv)
scan_dir(UCLIBC_TARGET_PREFIX "/lib");
}
+#ifdef USE_CACHE
if (!nocache)
cache_write();
+#endif
}
exit(EXIT_OK);
}
+#ifdef USE_CACHE
typedef struct liblist
{
int flags;
@@ -761,13 +729,13 @@ void cache_write(void)
sprintf(tempfile, "%s~", cachefile);
if (unlink(tempfile) && errno != ENOENT)
- error("can't unlink %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't unlink %s (%s)", tempfile, strerror(errno));
if ((cachefd = creat(tempfile, 0644)) < 0)
- error("can't create %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't create %s (%s)", tempfile, strerror(errno));
if (write(cachefd, &magic, sizeof (header_t)) != sizeof (header_t))
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
@@ -777,27 +745,27 @@ void cache_write(void)
stroffset += strlen(cur_lib->libname) + 1;
if (write(cachefd, cur_lib, sizeof (libentry_t)) !=
sizeof (libentry_t))
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
for (cur_lib = lib_head; cur_lib != NULL; cur_lib = cur_lib->next)
{
if (write(cachefd, cur_lib->soname, strlen(cur_lib->soname) + 1)
!= strlen(cur_lib->soname) + 1)
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
if (write(cachefd, cur_lib->libname, strlen(cur_lib->libname) + 1)
!= strlen(cur_lib->libname) + 1)
- error("can't write %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't write %s (%s)", tempfile, strerror(errno));
}
if (close(cachefd))
- error("can't close %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't close %s (%s)", tempfile, strerror(errno));
if (chmod(tempfile, 0644))
- error("can't chmod %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't chmod %s (%s)", tempfile, strerror(errno));
if (rename(tempfile, cachefile))
- error("can't rename %s (%s)", tempfile, strerror(errno));
+ err(EXIT_FATAL,"can't rename %s (%s)", tempfile, strerror(errno));
}
void cache_print(void)
@@ -810,16 +778,16 @@ void cache_print(void)
libentry_t *libent;
if (stat(cachefile, &st) || (fd = open(cachefile, O_RDONLY))<0)
- error("can't read %s (%s)", cachefile, strerror(errno));
+ err(EXIT_FATAL,"can't read %s (%s)", cachefile, strerror(errno));
if ((c = mmap(0,st.st_size, PROT_READ, MAP_SHARED ,fd, 0)) == (caddr_t)-1)
- error("can't map %s (%s)", cachefile, strerror(errno));
+ err(EXIT_FATAL,"can't map %s (%s)", cachefile, strerror(errno));
close(fd);
if (memcmp(((header_t *)c)->magic, LDSO_CACHE_MAGIC, LDSO_CACHE_MAGIC_LEN))
- error("%s cache corrupt", cachefile);
+ err(EXIT_FATAL,"%s cache corrupt", cachefile);
if (memcmp(((header_t *)c)->version, LDSO_CACHE_VER, LDSO_CACHE_VER_LEN))
- error("wrong cache version - expected %s", LDSO_CACHE_VER);
+ err(EXIT_FATAL,"wrong cache version - expected %s", LDSO_CACHE_VER);
header = (header_t *)c;
libent = (libentry_t *)(c + sizeof (header_t));
@@ -853,4 +821,5 @@ void cache_print(void)
munmap (c,st.st_size);
}
+#endif
diff --git a/ldso/util/readsoname.c b/ldso/util/readsoname.c
index 2b3f8353f..12c2428f2 100644
--- a/ldso/util/readsoname.c
+++ b/ldso/util/readsoname.c
@@ -7,8 +7,7 @@
#include <link.h>
#include <unistd.h>
#include <sys/types.h>
-#include "elf.h"
-#include "../config.h"
+#include <ld_elf.h>
#include "readsoname.h"
void warn(char *fmt, ...);
@@ -21,6 +20,9 @@ struct needed_tab
};
struct needed_tab needed_tab[] = {
+ { "libc.so.0", LIB_ELF_LIBC0 },
+ { "libm.so.0", LIB_ELF_LIBC0 },
+ { "libdl.so.0", LIB_ELF_LIBC0 },
{ "libc.so.5", LIB_ELF_LIBC5 },
{ "libm.so.5", LIB_ELF_LIBC5 },
{ "libdl.so.1", LIB_ELF_LIBC5 },
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 20:49:17 +0000