about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
authorAndreas Jaeger <aj@suse.de>2012-03-20 09:14:04 +0100
committerAndreas Jaeger <aj@suse.de>2012-03-20 09:14:04 +0100
commitff962fb6a10c46052535d482c889b3a9e5236637 (patch)
tree18de80f61dc39c437527f406041c35643fcce426 /sysdeps
parent6870c2ed1f2d4ff53e7c36b252f9f2c6b6112552 (diff)
downloadglibc-ff962fb6a10c46052535d482c889b3a9e5236637.tar.gz
glibc-ff962fb6a10c46052535d482c889b3a9e5236637.tar.xz
glibc-ff962fb6a10c46052535d482c889b3a9e5236637.zip
Remove unused start.c files.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/i386/start.c2
-rw-r--r--sysdeps/unix/sparc/start.c186
-rw-r--r--sysdeps/unix/start.c95
3 files changed, 0 insertions, 283 deletions
diff --git a/sysdeps/unix/i386/start.c b/sysdeps/unix/i386/start.c
deleted file mode 100644
index e6c89ee3f3..0000000000
--- a/sysdeps/unix/i386/start.c
+++ /dev/null
@@ -1,2 +0,0 @@
-#define	DUMMIES	dummy0
-#include <sysdeps/unix/start.c>
diff --git a/sysdeps/unix/sparc/start.c b/sysdeps/unix/sparc/start.c
deleted file mode 100644
index 86fb8bb0a5..0000000000
--- a/sysdeps/unix/sparc/start.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/* Copyright (C) 1991-1997,2004,2012 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   In addition to the permissions in the GNU Lesser General Public
-   License, the Free Software Foundation gives you unlimited
-   permission to link the compiled version of this file with other
-   programs, and to distribute those programs without any restriction
-   coming from the use of this file. (The GNU Lesser General Public
-   License restrictions do apply in other respects; for example, they
-   cover modification of the file, and distribution when not linked
-   into another program.)
-
-   Note that people who make modified versions of this file are not
-   obligated to grant this special exception for their modified
-   versions; it is their choice whether to do so. The GNU Lesser
-   General Public License gives permission to release a modified
-   version without this exception; this exception also makes it
-   possible to release a modified version which carries forward this
-   exception.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#ifndef NO_SHLIB
-#include <sys/exec.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <link.h>
-#include <syscall.h>
-#endif
-
-#if !defined (__GNUC__) || __GNUC__ < 2
-  #error This file uses GNU C extensions; you must compile with GCC version 2.
-#endif
-
-/* The first piece of initialized data.  */
-int __data_start = 0;
-weak_alias (__data_start, data_start)
-
-extern void __libc_init (int argc, char **argv, char **envp) __THROW;
-extern int main (int argc, char **argv, char **envp) __THROW;
-
-register long int sp asm("%sp"), fp asm("%fp");
-
-#ifndef NO_SHLIB
-static void init_shlib (void) __THROW;
-#endif
-
-#ifndef NO_EXPLICIT_START
-/* Declare _start with an explicit assembly symbol name of `start'
-   (note no leading underscore).  This is the name Sun's crt0.o uses,
-   and programs are often linked with `ld -e start'.  */
-void _start (void) asm ("start");
-#endif
-
-void
-_start (void)
-{
-  /* It is important that these be declared `register'.
-     Otherwise, when compiled without optimization, they are put on the
-     stack, which loses completely after we zero the FP.  */
-  register int argc;
-  register char **argv, **envp;
-
-  /* Unwind the frame built when we entered the function.  */
-  asm("restore");
-
-  /* And clear the frame pointer.  */
-  fp = 0;
-
-  /* The argument info starts after one register
-     window (64 bytes) past the SP.  */
-  argc = ((int *) sp)[16];
-  argv = (char **) &((int *) sp)[17];
-  envp = &argv[argc + 1];
-  __environ = envp;
-
-#ifndef NO_SHLIB
-  init_shlib ();
-#endif
-
-  /* Allocate 24 bytes of stack space for the register save area.  */
-  sp -= 24;
-  __libc_init (argc, argv, envp);
-
-  exit (main (argc, argv, envp));
-}
-
-#ifndef NO_SHLIB
-
-/* System calls for use by the bootstrap routine.
-   These are defined here since the usual calls may be dynamically linked.  */
-
-int syscall (int sysno, ...) asm ("init_syscall");
-asm ("init_syscall:\n"
-     "	clr %g1\n"
-     "	ta 0\n"
-     "	bcc 1f\n"
-     "	sethi %hi(_errno), %g1\n"
-     "	st %o0, [%g1 + %lo(_errno)]\n"
-     "	sub %g0, 1, %o0\n"
-     "1:retl\n"
-     "	nop");
-
-static void
-init_shlib ()
-{
-  extern struct link_dynamic _DYNAMIC;
-  int so, zf;
-  caddr_t somap;
-  caddr_t sodmap;
-  caddr_t sobssmap;
-  void (*ldstart) (int, int);
-  struct exec soexec;
-  struct
-    {
-      caddr_t crt_ba;
-      int crt_dzfd;
-      int crt_ldfd;
-      struct link_dynamic *crt_dp;
-      char **crt_ep;
-      caddr_t crt_bp;
-    } soarg;
-
-  /* If not dynamically linked, do nothing.  */
-  if (&_DYNAMIC == 0)
-    return;
-
-  /* Map in the dynamic linker.  */
-  so = syscall (SYS_open, "/usr/lib/ld.so", O_RDONLY);
-  if (syscall (SYS_read, so, &soexec, sizeof (soexec)) != sizeof (soexec)
-      || soexec.a_magic != ZMAGIC)
-    {
-      static const char emsg[] = "crt0: no /usr/lib/ld.so\n";
-
-      syscall (SYS_write, 2, emsg, sizeof (emsg) - 1);
-      syscall (SYS_exit, 127);
-    }
-  somap = (caddr_t) syscall (SYS_mmap, 0,
-			     soexec.a_text + soexec.a_data + soexec.a_bss,
-			     PROT_READ | PROT_EXEC, _MAP_NEW | MAP_PRIVATE,
-			     so, 0);
-  sodmap = (caddr_t) syscall (SYS_mmap, somap + soexec.a_text, soexec.a_data,
-			      PROT_READ | PROT_WRITE | PROT_EXEC,
-			      _MAP_NEW | MAP_FIXED | MAP_PRIVATE,
-			      so, soexec.a_text);
-  zf = syscall (SYS_open, "/dev/zero", O_RDONLY);
-  if (soexec.a_bss != 0)
-    sobssmap = (caddr_t) syscall (SYS_mmap,
-				  somap + soexec.a_text + soexec.a_data,
-				  soexec.a_bss,
-				  PROT_READ | PROT_WRITE | PROT_EXEC,
-				  _MAP_NEW | MAP_FIXED | MAP_PRIVATE,
-				  zf, 0);
-
-  /* Call the entry point of the dynamic linker.  */
-  soarg.crt_ba = somap;
-  soarg.crt_dzfd = zf;
-  soarg.crt_ldfd = so;
-  soarg.crt_dp = &_DYNAMIC;
-  soarg.crt_ep = __environ;
-  soarg.crt_bp = (caddr_t) &&retaddr;
-
-  ldstart = (__typeof (ldstart)) (somap + soexec.a_entry);
-  (*ldstart) (1, (char *) &soarg - (char *) sp);
-
- retaddr:
-}
-
-#endif
diff --git a/sysdeps/unix/start.c b/sysdeps/unix/start.c
deleted file mode 100644
index ecedc55119..0000000000
--- a/sysdeps/unix/start.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* Copyright (C) 1991, 93, 1995-1998, 2000, 2012 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   In addition to the permissions in the GNU Lesser General Public
-   License, the Free Software Foundation gives you unlimited
-   permission to link the compiled version of this file with other
-   programs, and to distribute those programs without any restriction
-   coming from the use of this file. (The GNU Lesser General Public
-   License restrictions do apply in other respects; for example, they
-   cover modification of the file, and distribution when not linked
-   into another program.)
-
-   Note that people who make modified versions of this file are not
-   obligated to grant this special exception for their modified
-   versions; it is their choice whether to do so. The GNU Lesser
-   General Public License gives permission to release a modified
-   version without this exception; this exception also makes it
-   possible to release a modified version which carries forward this
-   exception.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sysdep.h>		/* In case it wants to define anything.  */
-
-/* The first piece of initialized data.  */
-int __data_start = 0;
-weak_alias (__data_start, data_start)
-
-#ifdef	DUMMIES
-#define	ARG_DUMMIES	DUMMIES,
-#define	DECL_DUMMIES	int DUMMIES;
-#else
-#define	ARG_DUMMIES
-#define	DECL_DUMMIES
-#endif
-
-extern void __libc_init (int argc, char **argv, char **envp);
-extern int main (int argc, char **argv, char **envp);
-
-
-/* Not a prototype because it gets called strangely.  */
-static void start1();
-
-#ifndef	HAVE__start
-
-/* N.B.: It is important that this be the first function.
-   This file is the first thing in the text section.  */
-void
-_start ()
-{
-  start1 ();
-}
-
-#endif
-
-/* ARGSUSED */
-static void
-start1 (ARG_DUMMIES argc, argp)
-     DECL_DUMMIES
-     int argc;
-     char *argp;
-{
-  char **argv = &argp;
-
-  /* The environment starts just after ARGV.  */
-  __environ = &argv[argc + 1];
-
-  /* If the first thing after ARGV is the arguments
-     themselves, there is no environment.  */
-  if ((char *) __environ == *argv)
-    /* The environment is empty.  Make __environ
-       point at ARGV[ARGC], which is NULL.  */
-    --__environ;
-
-  /* Do C library initializations.  */
-  __libc_init (argc, argv, __environ);
-
-  /* Call the user program.  */
-  exit (main (argc, argv, __environ));
-}