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-rw-r--r--include/resolv.h107
-rw-r--r--libc/inet/resolv.c4
-rw-r--r--libc/misc/elf/Makefile.in3
-rw-r--r--libc/misc/elf/dl-support.c13
-rw-r--r--libc/misc/internals/__uClibc_main.c8
-rw-r--r--libc/misc/internals/errno.c16
-rw-r--r--libc/misc/utmp/utent.c4
-rw-r--r--libc/sysdeps/linux/common/__syscall_rt_sigaction.c6
-rw-r--r--libc/sysdeps/linux/common/creat.c16
-rw-r--r--libc/sysdeps/linux/common/open64.c2
-rw-r--r--libc/sysdeps/linux/i386/bits/kernel_types.h8
-rw-r--r--librt/Makefile.in9
12 files changed, 111 insertions, 85 deletions
diff --git a/include/resolv.h b/include/resolv.h
index 546de96a9..f253cef1a 100644
--- a/include/resolv.h
+++ b/include/resolv.h
@@ -98,56 +98,87 @@ typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *ns,
# define RES_MAXNDOTS 15 /* should reflect bit field size */
# define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */
# define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */
-# define RES_DFLRETRY 2 /* Default #/tries. */
+# define RES_DFLRETRY 3 /* Default #/tries. */
+/* (glibc uses RES_DFLRETRY of 2 but also does _res.retry = 4 sometimes (!) */
# define RES_MAXTIME 65535 /* Infinity, in milliseconds. */
+/* _res (an instance of this structure) uses 0.5kb in bss
+ * in "ordinary" libc's (glibc, xBSD). We want to be less wasteful.
+ * We (1) shuffle and shrink some integer fields,
+ * and (2) can switch off stuff we don't support.
+ * Everything inside __UCLIBC_HAS_COMPAT_RES_STATE__
+ * is not actually used by uclibc and can be configured off.
+ * However, this will prevent some programs from building.
+ * Really obscure stuff with no observed users in the wild is under
+ * __UCLIBC_HAS_EXTRA_COMPAT_RES_STATE__.
+ * I guess it's safe to set that to N.
+ */
struct __res_state {
- int retrans; /* retransmition time interval */
+#ifdef __UCLIBC_HAS_COMPAT_RES_STATE__
+ int retrans; /* retransmission time interval */
int retry; /* number of times to retransmit */
- u_long options; /* option flags - see below. */
- int nscount; /* number of name servers */
- struct sockaddr_in
- nsaddr_list[MAXNS]; /* address of name server */
-# define nsaddr nsaddr_list[0] /* for backward compatibility */
- u_short id; /* current message id */
- char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
+#endif
+ u_int32_t options; /* (was: ulong) option flags - see below. */
+ struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */
+#define nsaddr nsaddr_list[0] /* for backward compatibility */
+ char *dnsrch[MAXDNSRCH + 1]; /* components of domain to search */
+#ifdef __UCLIBC_HAS_COMPAT_RES_STATE__
+ /* googling for "_res.defdname" says it's still sometimes used.
+ * Pity. It's huge, I want to move it to EXTRA_COMPAT... */
char defdname[256]; /* default domain (deprecated) */
- u_long pfcode; /* RES_PRF_ flags - see below. */
- unsigned ndots:4; /* threshold for initial abs. query */
- unsigned nsort:4; /* number of elements in sort_list[] */
- char unused[3];
+#endif
+ u_int8_t nscount; /* (was: int) number of name servers */
+ u_int8_t ndots; /* (was: unsigned:4) threshold for initial abs. query */
+#ifdef __UCLIBC_HAS_COMPAT_RES_STATE__
+ u_int8_t nsort; /* (was: unsigned:4) number of elements in sort_list[] */
+ u_int16_t pfcode; /* (was: ulong) RES_PRF_ flags. Used by dig. */
+ unsigned short id; /* current message id */
+ int res_h_errno; /* last one set for this context */
struct {
struct in_addr addr;
u_int32_t mask;
} sort_list[MAXRESOLVSORT];
- res_send_qhook qhook; /* query hook */
- res_send_rhook rhook; /* response hook */
- int res_h_errno; /* last one set for this context */
- int _vcsock; /* PRIVATE: for res_send VC i/o */
- u_int _flags; /* PRIVATE: see below */
+#endif
+
+#ifdef __UCLIBC_HAS_IPV6__
+ /* I assume that the intention is to store all
+ * DNS servers' addresses here, and duplicate in nsaddr_list[]
+ * those which have IPv4 address. In the case of IPv4 address
+ * _u._ext.nsaddrs[x] will point to some nsaddr_list[y],
+ * otherwise it will point into malloc'ed sockaddr_in6.
+ * nscount is the number of IPv4 addresses and _u._ext.nscount
+ * is the number of addresses of all kinds.
+ *
+ * If this differs from established usage and you need
+ * to change this, please describe how it is supposed to work.
+ */
union {
- char pad[52]; /* On an i386 this means 512b total. */
struct {
- u_int16_t nscount;
-#if 0
- u_int16_t nsmap[MAXNS];
-#else
- u_int16_t nstimes[MAXNS]; /* ms. */
-#endif
+ struct sockaddr_in6 *nsaddrs[MAXNS];
+ u_int8_t nscount; /* (was: u_int16_t) */
+#ifdef __UCLIBC_HAS_COMPAT_RES_STATE__
+ /* rather obscure, and differs in BSD and glibc */
+ u_int16_t nstimes[MAXNS];
int nssocks[MAXNS];
u_int16_t nscount6;
u_int16_t nsinit;
- struct sockaddr_in6 *nsaddrs[MAXNS];
-#if 0
-#ifdef _LIBC
- unsigned long long int initstamp
- __attribute__((packed));
-#else
- unsigned int _initstamp[2];
-#endif
+ /* glibc also has: */
+ /*u_int16_t nsmap[MAXNS];*/
+ /*unsigned long long initstamp;*/
#endif
} _ext;
} _u;
+#endif
+
+#ifdef __UCLIBC_HAS_EXTRA_COMPAT_RES_STATE__
+ /* Truly obscure stuff.
+ * Googling for "_res.XXX" for these members
+ * turned up basically empty */
+ res_send_qhook qhook; /* query hook */
+ res_send_rhook rhook; /* response hook */
+ int _vcsock; /* PRIVATE: for res_send VC i/o */
+ unsigned _flags; /* PRIVATE: see below */
+#endif
};
typedef struct __res_state *res_state;
@@ -196,6 +227,7 @@ struct res_sym {
/*
* Resolver options (keep these in synch with res_debug.c, please)
+ * (which of these do we really implement??)
*/
#define RES_INIT 0x00000001 /* address initialized */
#define RES_DEBUG 0x00000002 /* print debug messages */
@@ -247,10 +279,14 @@ struct res_sym {
/* 0x00008000 */
/* Things involving an internal (static) resolver context. */
+#if 0
__BEGIN_DECLS
extern struct __res_state *__res_state(void) __attribute__ ((__const__));
__END_DECLS
#define _res (*__res_state())
+#else
+extern struct __res_state _res;
+#endif
#define fp_nquery __fp_nquery
#define fp_query __fp_query
@@ -274,12 +310,15 @@ void p_query (const u_char *) __THROW;
void res_close (void) __THROW;
#endif
int res_init (void) __THROW;
+libc_hidden_proto(res_init)
int res_isourserver (const struct sockaddr_in *) __THROW;
int res_mkquery (int, const char *, int, int, const u_char *,
int, const u_char *, u_char *, int) __THROW;
int res_query (const char *, int, int, u_char *, int) __THROW;
+libc_hidden_proto(res_query)
int res_querydomain (const char *, const char *, int, int,
u_char *, int) __THROW;
+libc_hidden_proto(res_querydomain)
int res_search (const char *, int, int, u_char *, int) __THROW;
int res_send (const u_char *, int, u_char *, int) __THROW;
__END_DECLS
@@ -386,7 +425,6 @@ int res_nsend (res_state, const u_char *, int, u_char *, int)
__THROW;
void res_nclose (res_state) __THROW;
__END_DECLS
-
# if _LIBC
# ifdef __UCLIBC_HAS_THREADS__
# if defined __UCLIBC_HAS_THREADS_NATIVE__ \
@@ -404,5 +442,4 @@ extern __thread struct __res_state *__resp attribute_tls_model_ie;
# endif /* __UCLIBC_HAS_THREADS_NATIVE__ */
# endif /* __UCLIBC_HAS_THREADS__ */
# endif /* _LIBC */
-
#endif /* !_RESOLV_H_ */
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index 86f189a5f..e5b2622d0 100644
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -1254,7 +1254,7 @@ void res_close(void)
which can have an alias. */
struct __res_state _res __attribute__((section (".bss")));
#else
-struct __res_state _res __attribute__((section (".bss"))) attribute_hidden;
+struct __res_state _res __attribute__((section (".bss"))) ;//attribute_hidden;
# if defined __UCLIBC_HAS_THREADS_NATIVE__
# undef __resp
@@ -1275,7 +1275,7 @@ struct __res_state *__resp = &_res;
#endif
#ifdef L_res_state
-# if defined __UCLIBC_HAS_THREADS__
+# if defined __UCLIBC_HAS_THREADS_NATIVE__
struct __res_state *
__res_state (void)
{
diff --git a/libc/misc/elf/Makefile.in b/libc/misc/elf/Makefile.in
index c97d29929..4c5d9c8b7 100644
--- a/libc/misc/elf/Makefile.in
+++ b/libc/misc/elf/Makefile.in
@@ -5,7 +5,8 @@
#
libc_a_CSRC = dl-support.c dl-core.c dl-iterate-phdr.c
-CFLAGS-dl-iterate-phdr.c=-D_GNU_SOURCE
+CFLAGS-dl-iterate-phdr.c=-D_GNU_SOURCE -I$(top_srcdir)ldso/ldso/$(TARGET_ARCH) -I$(top_srcdir)ldso/include
+CFLAGS-dl-core.c=-I$(top_srcdir)ldso/ldso/$(TARGET_ARCH) -I$(top_srcdir)ldso/include
MISC_ELF_OUT:=$(top_builddir)libc/misc/elf
MISC_ELF_OBJ:=$(patsubst %.c,$(MISC_ELF_OUT)/%.o,$(libc_a_CSRC))
diff --git a/libc/misc/elf/dl-support.c b/libc/misc/elf/dl-support.c
index 2f6682706..ce05f348a 100644
--- a/libc/misc/elf/dl-support.c
+++ b/libc/misc/elf/dl-support.c
@@ -11,14 +11,21 @@
*
*/
+#if USE_TLS
#include <assert.h>
#include <tls.h>
-#include <link.h>
#include <ldsodefs.h>
#include <string.h>
+#endif
+#include <link.h>
+#include <elf.h>
+
+#if USE_TLS
void (*_dl_init_static_tls) (struct link_map *) = &_dl_nothread_init_static_tls;
+#endif
+
ElfW(Phdr) *_dl_phdr;
size_t _dl_phnum;
@@ -33,6 +40,7 @@ _dl_aux_init (ElfW(auxv_t) *av)
_dl_phnum = (size_t) av[AT_PHNUM].a_un.a_val;
}
+#if USE_TLS
/* Initialize static TLS area and DTV for current (only) thread.
libpthread implementations should provide their own hook
to handle all threads. */
@@ -57,3 +65,6 @@ _dl_nothread_init_static_tls (struct link_map *map)
memset (mempcpy (dest, map->l_tls_initimage, map->l_tls_initimage_size),
'\0', map->l_tls_blocksize - map->l_tls_initimage_size);
}
+
+#endif
+
diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c
index a1e02c4e4..ab6adb130 100644
--- a/libc/misc/internals/__uClibc_main.c
+++ b/libc/misc/internals/__uClibc_main.c
@@ -51,10 +51,6 @@ libc_hidden_proto(geteuid)
libc_hidden_proto(fstat)
/* libc_hidden_proto(abort) */
-extern __typeof(open) __libc_open;
-libc_hidden_proto(__libc_open)
-extern __typeof(fcntl) __libc_fcntl;
-libc_hidden_proto(__libc_fcntl)
#endif
#ifndef SHARED
@@ -150,10 +146,10 @@ size_t __pagesize = 0;
static void __check_one_fd(int fd, int mode)
{
/* Check if the specified fd is already open */
- if (__libc_fcntl(fd, F_GETFD) == -1)
+ if (fcntl(fd, F_GETFD) == -1)
{
/* The descriptor is probably not open, so try to use /dev/null */
- int nullfd = __libc_open(_PATH_DEVNULL, mode);
+ int nullfd = open(_PATH_DEVNULL, mode);
/* /dev/null is major=1 minor=3. Make absolutely certain
* that is in fact the device that we have opened and not
* some other wierd file... */
diff --git a/libc/misc/internals/errno.c b/libc/misc/internals/errno.c
index 23b2bb375..a89b5addf 100644
--- a/libc/misc/internals/errno.c
+++ b/libc/misc/internals/errno.c
@@ -19,18 +19,20 @@ extern __thread int __libc_h_errno __attribute__ ((alias ("h_errno")));
#define h_errno __libc_h_errno
#else
-extern int errno;
-extern int h_errno;
-
+#include "internal_errno.h"
#if 0
/* Unfortunately, this doesn't work... */
int h_errno __attribute__ ((section (".bss"))) = 0;
int errno __attribute__ ((section (".bss"))) = 0;
#else
-int _errno = 0;
-int _h_errno = 0;
+int errno = 0;
+int h_errno = 0;
#endif
-weak_alias(_errno, errno)
-weak_alias(_h_errno, h_errno)
+#ifdef __UCLIBC_HAS_THREADS__
+libc_hidden_def(errno)
+weak_alias(errno, _errno)
+libc_hidden_def(h_errno)
+weak_alias(h_errno, _h_errno)
+#endif
#endif
diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c
index 3752a68d4..11908b667 100644
--- a/libc/misc/utmp/utent.c
+++ b/libc/misc/utmp/utent.c
@@ -210,11 +210,7 @@ struct utmp *pututline (const struct utmp *utmp_entry)
lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
else
lseek(static_fd, (off_t) 0, SEEK_END);
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-#else
- if (write_not_cancel(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-#endif
utmp_entry = NULL;
__UCLIBC_MUTEX_UNLOCK(utmplock);
diff --git a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
index 6fb416039..c3246b1bf 100644
--- a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
@@ -13,8 +13,8 @@
#include <signal.h>
#include <bits/kernel_sigaction.h>
-#define __NR___rt_sigaction __NR_rt_sigaction
-_syscall4(int, __rt_sigaction, int, signum,
- const struct kernel_sigaction *, act, struct kernel_sigaction *, oldact,
+#define __NR___syscall_rt_sigaction __NR_rt_sigaction
+_syscall4(int, __syscall_rt_sigaction, int, signum,
+ const struct sigaction *, act, struct sigaction *, oldact,
size_t, size)
#endif
diff --git a/libc/sysdeps/linux/common/creat.c b/libc/sysdeps/linux/common/creat.c
deleted file mode 100644
index 429b4824c..000000000
--- a/libc/sysdeps/linux/common/creat.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * open() for uClibc
- *
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
-#include <fcntl.h>
-
-extern int __libc_open(const char *file, int flags, ...);
-
-int creat(const char *file, mode_t mode)
-{
- return __libc_open(file, O_WRONLY | O_CREAT | O_TRUNC, mode);
-}
diff --git a/libc/sysdeps/linux/common/open64.c b/libc/sysdeps/linux/common/open64.c
index 7a68b4cd9..403e91a46 100644
--- a/libc/sysdeps/linux/common/open64.c
+++ b/libc/sysdeps/linux/common/open64.c
@@ -44,7 +44,7 @@ int open64 (const char *file, int oflag, ...)
return result;
#else
- return __libc_open(file, oflag | O_LARGEFILE, mode);
+ return open(file, oflag | O_LARGEFILE, mode);
#endif
}
libc_hidden_def(open64)
diff --git a/libc/sysdeps/linux/i386/bits/kernel_types.h b/libc/sysdeps/linux/i386/bits/kernel_types.h
index 6609dd312..8641a48c0 100644
--- a/libc/sysdeps/linux/i386/bits/kernel_types.h
+++ b/libc/sysdeps/linux/i386/bits/kernel_types.h
@@ -7,10 +7,14 @@
/* a hack for compiling a 32 bit user space with 64 bit
* kernel on x86_64 */
-#if !defined(__ARCH_I386_POSIX_TYPES_H) && !defined(_ASM_X86_64_POSIX_TYPES_H)
+#if !defined(__ARCH_I386_POSIX_TYPES_H) && \
+ !defined(_ASM_X86_64_POSIX_TYPES_H) && \
+ !defined(_ASM_X86_POSIX_TYPES_32_H) && \
+ !defined(_ASM_X86_POSIX_TYPES_64_H)
#define _ASM_X86_64_POSIX_TYPES_H
#define __ARCH_I386_POSIX_TYPES_H
-
+#define _ASM_X86_POSIX_TYPES_32_H
+#define _ASM_X86_POSIX_TYPES_64_H
typedef unsigned short __kernel_dev_t;
typedef unsigned long __kernel_ino_t;
typedef unsigned short __kernel_mode_t;
diff --git a/librt/Makefile.in b/librt/Makefile.in
index d67960083..4db0fbce8 100644
--- a/librt/Makefile.in
+++ b/librt/Makefile.in
@@ -7,12 +7,7 @@
CFLAGS-librt := -DNOT_IN_libc -DIS_IN_librt $(SSP_ALL_CFLAGS)
-ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-LDFLAGS-librt.so := $(LDFLAGS) $(top_builddir)lib/libdl.so \
- $(top_builddir)lib/libpthread.so
-else
LDFLAGS-librt.so := $(LDFLAGS)
-endif
LIBS-librt.so := $(LIBS)
@@ -30,8 +25,9 @@ librt_SSRC := $(wildcard $(librt_DIR)/*.S)
librt_OBJ := $(patsubst %.c,$(librt_OUT)/%.o,$(librt_CSRC))
librt_OBJ += $(patsubst $(librt_DIR)/%.S,$(librt_OUT)/%.o,$(librt_SSRC))
else
-librt_SRC := $(filter-out clock_nanosleep.c clock_getcpuclockid.c, \
+librt_CSRC := $(filter-out clock_nanosleep.c clock_getcpuclockid.c, \
$(notdir $(wildcard $(librt_DIR)/*.c)))
+
librt_OBJ := $(patsubst $(librt_DIR)/%.c,$(librt_OUT)/%.o,$(librt_SRC))
endif
@@ -49,7 +45,6 @@ lib-a-y += $(top_builddir)lib/librt.a
lib-so-y += $(top_builddir)lib/librt.so
endif
-
ifeq ($(DOPIC)$(UCLIBC_HAS_THREADS_NATIVE),yn)
$(top_builddir)lib/librt.so: $(top_builddir)lib/librt.a $(libc.dpend)
else