More hiding, including __mempcpy

26 files changed, 100 insertions, 44 deletions

diff --git a/libc/sysdeps/linux/common/__rt_sigtimedwait.c b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
index c50eadbbe..3c3d99c2a 100644
--- a/libc/sysdeps/linux/common/__rt_sigtimedwait.c
+++ b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
@@ -13,7 +13,7 @@
 #include <stddef.h>
 #ifdef __NR_rt_sigtimedwait
 #define __NR___rt_sigtimedwait __NR_rt_sigtimedwait
-_syscall4(int, __rt_sigtimedwait, const sigset_t *, set, siginfo_t *, info,
+static _syscall4(int, __rt_sigtimedwait, const sigset_t *, set, siginfo_t *, info,
 		  const struct timespec *, timeout, size_t, setsize);
 
 int sigwaitinfo(const sigset_t * set, siginfo_t * info)
diff --git a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
index 9d4916618..be7709040 100644
--- a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
@@ -14,7 +14,7 @@
 
 #define __NR___syscall_rt_sigaction __NR_rt_sigaction
 #undef sigaction
-_syscall4(int, __syscall_rt_sigaction, int, signum,
+attribute_hidden _syscall4(int, __syscall_rt_sigaction, int, signum,
 		  const struct sigaction *, act, struct sigaction *, oldact,
 		  size_t, size);
 
diff --git a/libc/sysdeps/linux/common/__syscall_sigaction.c b/libc/sysdeps/linux/common/__syscall_sigaction.c
index 6c33b2802..4333a6a1a 100644
--- a/libc/sysdeps/linux/common/__syscall_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_sigaction.c
@@ -13,7 +13,7 @@
 #define __NR___syscall_sigaction __NR_sigaction
 #include <signal.h>
 #undef sigaction
-_syscall3(int, __syscall_sigaction, int, signum, const struct sigaction *,
+attribute_hidden _syscall3(int, __syscall_sigaction, int, signum, const struct sigaction *,
 		  act, struct sigaction *, oldact);
 #endif
 
diff --git a/libc/sysdeps/linux/common/adjtimex.c b/libc/sysdeps/linux/common/adjtimex.c
index 28ad442e8..ef33051e8 100644
--- a/libc/sysdeps/linux/common/adjtimex.c
+++ b/libc/sysdeps/linux/common/adjtimex.c
@@ -9,7 +9,9 @@
 
 #include "syscalls.h"
 #include <sys/timex.h>
-_syscall1(int, adjtimex, struct timex *, buf);
 
-weak_alias(adjtimex, __adjtimex);
-weak_alias(adjtimex, ntp_adjtime);
+#define __NR___adjtimex __NR_adjtimex
+attribute_hidden _syscall1(int, __adjtimex, struct timex *, buf);
+
+strong_alias(__adjtimex, adjtimex)
+weak_alias(__adjtimex, ntp_adjtime)
diff --git a/libc/sysdeps/linux/common/alarm.c b/libc/sysdeps/linux/common/alarm.c
index 7e554fcbf..eec941d07 100644
--- a/libc/sysdeps/linux/common/alarm.c
+++ b/libc/sysdeps/linux/common/alarm.c
@@ -7,6 +7,8 @@
  * GNU Library General Public License (LGPL) version 2 or later.
  */
 
+#define setitimer __setitimer
+
 #include "syscalls.h"
 #include <unistd.h>
 #ifdef __NR_alarm
diff --git a/libc/sysdeps/linux/common/clock_settime.c b/libc/sysdeps/linux/common/clock_settime.c
index 40dadc78d..e2ec03f78 100644
--- a/libc/sysdeps/linux/common/clock_settime.c
+++ b/libc/sysdeps/linux/common/clock_settime.c
@@ -19,6 +19,8 @@
  *
  */
 
+#define settimeofday __settimeofday
+
 #define _GNU_SOURCE
 #include "syscalls.h"
 #include <time.h>
diff --git a/libc/sysdeps/linux/common/getdirname.c b/libc/sysdeps/linux/common/getdirname.c
index d0865fba5..486ee9335 100644
--- a/libc/sysdeps/linux/common/getdirname.c
+++ b/libc/sysdeps/linux/common/getdirname.c
@@ -37,7 +37,7 @@ get_current_dir_name (void)
 	struct stat dotstat, pwdstat;
 #endif
 
-	pwd = getenv ("PWD");
+	pwd = __getenv ("PWD");
 	if (pwd != NULL
 #if defined __UCLIBC_HAS_LFS__
 		&& stat64 (".", &dotstat) == 0
diff --git a/libc/sysdeps/linux/common/getdtablesize.c b/libc/sysdeps/linux/common/getdtablesize.c
index 8cbcebdce..de3af63d7 100644
--- a/libc/sysdeps/linux/common/getdtablesize.c
+++ b/libc/sysdeps/linux/common/getdtablesize.c
@@ -27,7 +27,7 @@
 
 /* Return the maximum number of file descriptors
    the current process could possibly have.  */
-int getdtablesize (void)
+int attribute_hidden __getdtablesize (void)
 {
   struct rlimit ru;
 
@@ -36,4 +36,4 @@ int getdtablesize (void)
      returns -1.  */
   return getrlimit (RLIMIT_NOFILE, &ru) < 0 ? __LOCAL_OPEN_MAX : ru.rlim_cur;
 }
-
+strong_alias(__getdtablesize,getdtablesize)
diff --git a/libc/sysdeps/linux/common/getpagesize.c b/libc/sysdeps/linux/common/getpagesize.c
index 8469cbb76..669cdb075 100644
--- a/libc/sysdeps/linux/common/getpagesize.c
+++ b/libc/sysdeps/linux/common/getpagesize.c
@@ -22,7 +22,8 @@
 extern size_t __pagesize;
 
 /* Return the system page size.  */
-int attribute_hidden __libc_getpagesize(void)
+/* couldn't make __getpagesize hidden, because shm.h uses it in a macro */
+int attribute_hidden __getpagesize_internal(void)
 {
   if (__pagesize != 0)
     return __pagesize;
@@ -40,6 +41,6 @@ int attribute_hidden __libc_getpagesize(void)
 #endif	/* NBPG.  */
 #endif	/* EXEC_PAGESIZE.  */
 }
-strong_alias(__libc_getpagesize, __getpagesize)
-weak_alias(__getpagesize, getpagesize)
+strong_alias(__getpagesize_internal, __getpagesize)
+weak_alias(__getpagesize_internal, getpagesize)
 
diff --git a/libc/sysdeps/linux/common/getpid.c b/libc/sysdeps/linux/common/getpid.c
index a4e07d97c..6a6a9e129 100644
--- a/libc/sysdeps/linux/common/getpid.c
+++ b/libc/sysdeps/linux/common/getpid.c
@@ -11,9 +11,10 @@
 #include <unistd.h>
 
 #if defined (__alpha__)
-#define __NR_getpid     __NR_getxpid
+#define __NR___getpid __NR_getxpid
 #endif
-#define __NR___libc_getpid __NR_getpid
-_syscall0(pid_t, __libc_getpid);
-weak_alias(__libc_getpid, getpid);
-weak_alias(__libc_getpid, __getpid);
+#define __NR___getpid __NR_getpid
+attribute_hidden _syscall0(pid_t, __getpid);
+strong_alias(__getpid, getpid)
+/* not used in libpthread */
+/* weak_alias(__getpid, __libc_getpid) */
diff --git a/libc/sysdeps/linux/common/getppid.c b/libc/sysdeps/linux/common/getppid.c
index efd542863..b2944e5e0 100644
--- a/libc/sysdeps/linux/common/getppid.c
+++ b/libc/sysdeps/linux/common/getppid.c
@@ -14,6 +14,6 @@ _syscall0(pid_t, getppid);
 #	else
 pid_t getppid(void)
 {
-	return (getpid());
+	return (__getpid());
 }
 #	endif
diff --git a/libc/sysdeps/linux/common/kill.c b/libc/sysdeps/linux/common/kill.c
index d8033fabc..2d1d9ae8a 100644
--- a/libc/sysdeps/linux/common/kill.c
+++ b/libc/sysdeps/linux/common/kill.c
@@ -14,7 +14,8 @@
 #define __NR___syscall_kill __NR_kill
 static inline _syscall2(int, __syscall_kill, __kernel_pid_t, pid, int, sig);
 
-int kill(pid_t pid, int sig)
+int attribute_hidden __kill(pid_t pid, int sig)
 {
 	return (__syscall_kill(pid, sig));
 }
+strong_alias(__kill,kill)
diff --git a/libc/sysdeps/linux/common/ntp_gettime.c b/libc/sysdeps/linux/common/ntp_gettime.c
index 07f380402..0c4d1549f 100644
--- a/libc/sysdeps/linux/common/ntp_gettime.c
+++ b/libc/sysdeps/linux/common/ntp_gettime.c
@@ -16,6 +16,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#define adjtimex __adjtimex
+
 #include <sys/timex.h>
 
 int ntp_gettime(struct ntptimeval *ntv)
diff --git a/libc/sysdeps/linux/common/poll.c b/libc/sysdeps/linux/common/poll.c
index 87d0dbb27..f021e0269 100644
--- a/libc/sysdeps/linux/common/poll.c
+++ b/libc/sysdeps/linux/common/poll.c
@@ -17,6 +17,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#define getdtablesize __getdtablesize
+
 #include "syscalls.h"
 #include <sys/poll.h>
 
diff --git a/libc/sysdeps/linux/common/setitimer.c b/libc/sysdeps/linux/common/setitimer.c
index 981f1a158..be51cb5c5 100644
--- a/libc/sysdeps/linux/common/setitimer.c
+++ b/libc/sysdeps/linux/common/setitimer.c
@@ -9,5 +9,7 @@
 
 #include "syscalls.h"
 #include <sys/time.h>
-_syscall3(int, setitimer, __itimer_which_t, which,
+#define __NR___setitimer __NR_setitimer
+attribute_hidden _syscall3(int, __setitimer, __itimer_which_t, which,
 		  const struct itimerval *, new, struct itimerval *, old);
+strong_alias(__setitimer,setitimer)
diff --git a/libc/sysdeps/linux/common/settimeofday.c b/libc/sysdeps/linux/common/settimeofday.c
index b63c421c7..4e88b3edb 100644
--- a/libc/sysdeps/linux/common/settimeofday.c
+++ b/libc/sysdeps/linux/common/settimeofday.c
@@ -9,5 +9,7 @@
 
 #include "syscalls.h"
 #include <sys/time.h>
-_syscall2(int, settimeofday, const struct timeval *, tv,
+#define __NR___settimeofday __NR_settimeofday
+attribute_hidden _syscall2(int, __settimeofday, const struct timeval *, tv,
 		  const struct timezone *, tz);
+strong_alias(__settimeofday,settimeofday)
diff --git a/libc/sysdeps/linux/common/ssp.c b/libc/sysdeps/linux/common/ssp.c
index 4c52d070f..7a977f56a 100644
--- a/libc/sysdeps/linux/common/ssp.c
+++ b/libc/sysdeps/linux/common/ssp.c
@@ -16,12 +16,29 @@
  * Mike Frysinger <vapier[@]gentoo.org>
  */
 
+#if defined __SSP__ || defined __SSP_ALL__
+#error "file must not be compiled with stack protection enabled on it. Use -fno-stack-protector"
+#endif
+
+#ifdef __PROPOLICE_BLOCK_SEGV__
+# define SSP_SIGTYPE SIGSEGV
+#else
+# define SSP_SIGTYPE SIGABRT
+#endif
+
+#define openlog __openlog
+#define syslog __syslog
+#define closelog __closelog
+#define sigfillset __sigfillset_internal
+#define sigdelset __sigdelset_internal
+#define sigaction __sigaction_internal
+#define kill __kill
+
 #include <string.h>
 #include <unistd.h>
+#include <signal.h>
 #include <sys/syslog.h>
 
-#include <ssp-internal.h>
-
 static __always_inline void block_signals(void)
 {
 	struct sigaction sa;
@@ -37,7 +54,7 @@ static __always_inline void block_signals(void)
 	sigfillset(&sa.sa_mask);	/* Block all signals */
 	sa.sa_flags = 0;
 	sa.sa_handler = SIG_DFL;
-	SIGACTION(SSP_SIGTYPE, &sa, NULL);
+	sigaction(SSP_SIGTYPE, &sa, NULL);
 }
 
 static __always_inline void ssp_write(int fd, const char *msg1, const char *msg2, const char *msg3)
@@ -46,15 +63,15 @@ static __always_inline void ssp_write(int fd, const char *msg1, const char *msg2
 	__write(fd, msg2, __strlen(msg2));
 	__write(fd, msg3, __strlen(msg3));
 	__write(fd, "()\n", 3);
-	openlog("ssp", LOG_CONS | LOG_PID, LOG_USER);
-	syslog(LOG_INFO, "%s%s%s()", msg1, msg2, msg3);
-	closelog();
+	__openlog("ssp", LOG_CONS | LOG_PID, LOG_USER);
+	__syslog(LOG_INFO, "%s%s%s()", msg1, msg2, msg3);
+	__closelog();
 }
 
-static __always_inline void terminate(void)
+static __always_inline attribute_noreturn void terminate(void)
 {
-	(void) KILL(GETPID(), SSP_SIGTYPE);
-	EXIT(127);
+	(void) kill(__getpid(), SSP_SIGTYPE);
+	_exit(127);
 }
 
 void attribute_noreturn __stack_smash_handler(char func[], int damaged __attribute__ ((unused)));
diff --git a/libc/sysdeps/linux/common/stime.c b/libc/sysdeps/linux/common/stime.c
index 586088695..bfb7682d0 100644
--- a/libc/sysdeps/linux/common/stime.c
+++ b/libc/sysdeps/linux/common/stime.c
@@ -7,6 +7,8 @@
  * GNU Library General Public License (LGPL) version 2 or later.
  */
 
+#define settimeofday __settimeofday
+
 #include "syscalls.h"
 #include <time.h>
 #include <sys/time.h>
diff --git a/libc/sysdeps/linux/common/time.c b/libc/sysdeps/linux/common/time.c
index 0c37c375c..506850ff9 100644
--- a/libc/sysdeps/linux/common/time.c
+++ b/libc/sysdeps/linux/common/time.c
@@ -11,9 +11,10 @@
 #include <time.h>
 #include <sys/time.h>
 #ifdef __NR_time
-_syscall1(time_t, time, time_t *, t);
+#define __NR___time __NR_time
+attribute_hidden _syscall1(time_t, __time, time_t *, t);
 #else
-time_t time(time_t * t)
+time_t attribute_hidden __time(time_t * t)
 {
 	time_t result;
 	struct timeval tv;
@@ -29,3 +30,4 @@ time_t time(time_t * t)
 	return result;
 }
 #endif
+strong_alias(__time,time)
diff --git a/libc/sysdeps/linux/common/times.c b/libc/sysdeps/linux/common/times.c
index beb07fb35..0fefdca10 100644
--- a/libc/sysdeps/linux/common/times.c
+++ b/libc/sysdeps/linux/common/times.c
@@ -9,4 +9,6 @@
 
 #include "syscalls.h"
 #include <sys/times.h>
-_syscall1(clock_t, times, struct tms *, buf);
+#define __NR___times __NR_times
+attribute_hidden _syscall1(clock_t, __times, struct tms *, buf);
+strong_alias(__times,times)
diff --git a/libc/sysdeps/linux/common/utime.c b/libc/sysdeps/linux/common/utime.c
index d7a71d690..5515488cd 100644
--- a/libc/sysdeps/linux/common/utime.c
+++ b/libc/sysdeps/linux/common/utime.c
@@ -7,14 +7,17 @@
  * GNU Library General Public License (LGPL) version 2 or later.
  */
 
+#define utimes __utimes
+
 #include "syscalls.h"
 #include <utime.h>
 #ifdef __NR_utime
-_syscall2(int, utime, const char *, file, const struct utimbuf *, times);
+#define __NR___utime __NR_utime
+attribute_hidden _syscall2(int, __utime, const char *, file, const struct utimbuf *, times);
 #else
 #include <stdlib.h>
 #include <sys/time.h>
-int utime(const char *file, const struct utimbuf *times)
+int attribute_hidden __utime(const char *file, const struct utimbuf *times)
 {
 	struct timeval timevals[2];
 
@@ -32,3 +35,4 @@ int utime(const char *file, const struct utimbuf *times)
 	return utimes(file, timevals);
 }
 #endif
+strong_alias(__utime,utime)
diff --git a/libc/sysdeps/linux/common/utimes.c b/libc/sysdeps/linux/common/utimes.c
index ef0fffe11..ca45204c7 100644
--- a/libc/sysdeps/linux/common/utimes.c
+++ b/libc/sysdeps/linux/common/utimes.c
@@ -7,14 +7,17 @@
  * GNU Library General Public License (LGPL) version 2 or later.
  */
 
+#define utime __utime
+
 #include "syscalls.h"
 #include <utime.h>
 #ifdef __NR_utimes
-_syscall2(int, utimes, const char *, file, const struct timeval *, tvp);
+#define __NR___utimes __NR_utimes
+attribute_hidden _syscall2(int, __utimes, const char *, file, const struct timeval *, tvp);
 #else
 #include <stdlib.h>
 #include <sys/time.h>
-int utimes(const char *file, const struct timeval tvp[2])
+int attribute_hidden __utimes(const char *file, const struct timeval tvp[2])
 {
 	struct utimbuf buf, *times;
 
@@ -28,3 +31,4 @@ int utimes(const char *file, const struct timeval tvp[2])
 	return utime(file, times);
 }
 #endif
+strong_alias(__utimes,utimes)
diff --git a/libc/sysdeps/linux/common/wait.c b/libc/sysdeps/linux/common/wait.c
index 6c46d0caa..b2a6d2295 100644
--- a/libc/sysdeps/linux/common/wait.c
+++ b/libc/sysdeps/linux/common/wait.c
@@ -1,3 +1,5 @@
+#define wait4 __wait4
+
 #include <stdlib.h>
 #include <syscall.h>
 #include <sys/types.h>
@@ -6,8 +8,8 @@
 
 /* Wait for a child to die.  When one does, put its status in *STAT_LOC
  * and return its process ID.  For errors, return (pid_t) -1.  */
-__pid_t __libc_wait (__WAIT_STATUS_DEFN stat_loc)
+__pid_t wait (__WAIT_STATUS_DEFN stat_loc)
 {
-      return wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL);
+      return __wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL);
 }
-weak_alias(__libc_wait, wait)
+weak_alias(wait,__libc_wait)
diff --git a/libc/sysdeps/linux/common/wait3.c b/libc/sysdeps/linux/common/wait3.c
index 6a8bc77fc..4b4d6aef1 100644
--- a/libc/sysdeps/linux/common/wait3.c
+++ b/libc/sysdeps/linux/common/wait3.c
@@ -1,3 +1,5 @@
+#define wait4 __wait4
+
 #include <syscall.h>
 #include <sys/types.h>
 #include <sys/wait.h>
diff --git a/libc/sysdeps/linux/common/wait4.c b/libc/sysdeps/linux/common/wait4.c
index 5434a009e..b5a2c5933 100644
--- a/libc/sysdeps/linux/common/wait4.c
+++ b/libc/sysdeps/linux/common/wait4.c
@@ -14,7 +14,8 @@
 static inline _syscall4(int, __syscall_wait4, __kernel_pid_t, pid,
 		int *, status, int, opts, struct rusage *, rusage);
 
-pid_t wait4(pid_t pid, int *status, int opts, struct rusage *rusage)
+pid_t attribute_hidden __wait4(pid_t pid, int *status, int opts, struct rusage *rusage)
 {
 	return (__syscall_wait4(pid, status, opts, rusage));
 }
+strong_alias(__wait4,wait4)
diff --git a/libc/sysdeps/linux/common/waitpid.c b/libc/sysdeps/linux/common/waitpid.c
index fef93173b..612917fcf 100644
--- a/libc/sysdeps/linux/common/waitpid.c
+++ b/libc/sysdeps/linux/common/waitpid.c
@@ -1,11 +1,14 @@
+#define wait4 __wait4
+
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/resource.h>
 
-__pid_t __libc_waitpid(__pid_t pid, int *wait_stat, int options)
+__pid_t attribute_hidden __waitpid(__pid_t pid, int *wait_stat, int options)
 {
-    return wait4(pid, wait_stat, options, NULL);
+    return __wait4(pid, wait_stat, options, NULL);
 }
-weak_alias(__libc_waitpid, waitpid)
+strong_alias(__waitpid,waitpid)
+weak_alias(__waitpid,__libc_waitpid)