+2001-09-07 Tom Rix <trix@redhat.com>
+
+ * sysdeps/unix/sysv/aix/sysv_termio.h: New file.
+
+2001-08-26 Tom Rix <trix@redhat.com>
+
+ * sysdeps/unix/sysv/aix/Makefile (aix-syscalls.o): More linker
+ command line options.
+ * sysdeps/unix/sysv/aix/start.s: New file, rework of start.c
+ * sysdeps/unix/sysv/aix/start.c: Removed.
+ * sysdeps/unix/sysv/aix/start-libc.c: New file.
+ * sysdeps/unix/sysv/aix/init-first.c: New file.
+ * sysdeps/unix/sysv/aix/fcntl.c: Alias __libc_fcntl to __fcntl.
+
+2001-09-08 Ben Collins <bcollins@debian.org>
+
+ * sysdeps/arm/dl-machine.h: Fix usage of new _dl_signal_error() format.
+ * sysdeps/generic/dl-machine.h: Likewise.
+ * sysdeps/hppa/dl-fptr.c: Likewise.
+ * sysdeps/ia64/dl-fptr.c: Likewise.
+ * sysdeps/mach/hurd/dl-sysdep.c: Likewise.
+ * sysdeps/mips/dl-machine.h: Likewise.
+ * sysdeps/mips/mips64/dl-machine.h: Likewise.
+ * sysdeps/powerpc/dl-machine.c: Likewise.
+
+2001-09-07 Ben Collins <bcollins@debian.org>
+
+ * sysdeps/sparc/sparc32/dl-machine.h: Fix typo.
+
+ * sysdeps/hppa/dl-lookupcfg.h: Forward declare struct link_map.
+
2001-09-08 Ulrich Drepper <drepper@redhat.com>
+ * elf/dl-lookup.c (add_dependency): Bump l_opencount of all
+ dependencies if necessary.
+
* elf/dl-close.c (_dl_close): If object has no r_list (i.e., wasn't
loaded directly) determine length if l_initfini list by iterating
over its elements. Minor optimizations.
if (__builtin_expect (act < undef_map->l_reldepsmax, 1))
undef_map->l_reldeps[undef_map->l_reldepsact++] = map;
- /* And increment the counter in the referenced object. */
- ++map->l_opencount;
+ if (map->l_searchlist.r_list != NULL)
+ /* And increment the counter in the referenced object. */
+ ++map->l_opencount;
+ else
+ /* We have to bump the counts for all dependencies since so far
+ this object was only a normal or transitive dependency.
+ Now it might be closed with _dl_close() directly. */
+ for (list = map->l_initfini; *list != NULL; ++list)
+ ++(*list)->l_opencount;
/* Display information if we are debugging. */
if (__builtin_expect (_dl_debug_mask & DL_DEBUG_FILES, 0))
exit (1);
}
- /* Now close the first object. If must still be around since we have
- a implicit dependency. */
+ /* Now close the first object. It must still be around since we have
+ an implicit dependency. */
if (dlclose (h1) != 0)
{
printf ("closing h1 failed: %s\n", dlerror ());
topbits = newvalue & 0xfe000000;
if (topbits != 0xfe000000 && topbits != 0x00000000)
{
- _dl_signal_error (0, map->l_name,
+ _dl_signal_error (0, map->l_name, NULL,
"R_ARM_PC24 relocation out of range");
}
}
int noplt))
{
_dl_signal_error (0, "Elf32_Rela relocation requested -- unused on "
- ELF_MACHINE_NAME);
+ NULL, ELF_MACHINE_NAME);
}
if (_dl_zerofd == -1)
{
__close (fd);
- _dl_signal_error (errno, NULL,
+ _dl_signal_error (errno, NULL, NULL,
"cannot open zero fill device");
}
}
__fptr_next = __mmap (0, _dl_pagesize, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, ANONFD, 0);
if (__fptr_next == MAP_FAILED)
- _dl_signal_error(errno, NULL, "cannot map page for fptr");
+ _dl_signal_error(errno, NULL, NULL, "cannot map page for fptr");
__fptr_count = _dl_pagesize / sizeof (struct hppa_fptr);
}
f = __fptr_next++;
#define ELF_FUNCTION_PTR_IS_SPECIAL
#define DL_UNMAP_IS_SPECIAL
+/* Forward declaration. */
+struct link_map;
+
void *_dl_symbol_address (const struct link_map *map, const ElfW(Sym) *ref);
#define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref)
new_table = __mmap (0, size, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, -1, 0);
if (new_table == MAP_FAILED)
- _dl_signal_error (errno, NULL, "cannot map pages for fdesc table");
+ _dl_signal_error (errno, NULL, NULL, "cannot map pages for fdesc table");
new_table->len = (size - sizeof (*new_table)) / sizeof (struct ia64_fdesc);
fdesc = &new_table->fdesc[0];
fptr_table = __mmap (NULL, size, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, -1, 0);
if (fptr_table == MAP_FAILED)
- _dl_signal_error (errno, NULL, "cannot map pages for fptr table");
+ _dl_signal_error (errno, NULL, NULL, "cannot map pages for fptr table");
map->l_mach.fptr_table_len = len;
map->l_mach.fptr_table = fptr_table;
symidx = sym - symtab;
if (symidx >= map->l_mach.fptr_table_len)
- _dl_signal_error (0, NULL,
+ _dl_signal_error (0, NULL, NULL,
"internal error: symidx out of range of fptr table");
if (!ftab[symidx])
/* Return an empty array. Hurd has no hardware capabilities. */
result = (struct r_strlenpair *) malloc (sizeof (*result));
if (result == NULL)
- _dl_signal_error (ENOMEM, NULL, "cannot create capability list");
+ _dl_signal_error (ENOMEM, NULL, NULL, "cannot create capability list");
result[0].str = (char *) result; /* Does not really matter. */
result[0].len = 0;
}
}
- _dl_signal_error (0, NULL, "cannot find runtime link map");
+ _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
return NULL;
}
}
}
- _dl_signal_error (0, NULL, "cannot find runtime link map");
+ _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
return NULL;
}
t = stpcpy (t, "'");
}
t = stpcpy (t, " out of range");
- _dl_signal_error (0, map->l_name, buffer);
+ _dl_signal_error (0, map->l_name, NULL, buffer);
}
void
weak_extern (_dl_rtld_map);
#endif
-#if !define RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
+#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0))
{
# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
$(objpfx)aix-syscalls.o : /lib/syscalls.exp
echo "static int a;" > foo.c
$(CC) -c foo.c
- ld -bM:SRE -bnoentry -bI:/lib/syscalls.exp -bE:/lib/syscalls.exp foo.o -o $@
+ ld -bM:SRE -bpT:0x00000000 -bpD:0x00000000 -bnoentry -bI:/lib/syscalls.exp -bE:/lib/syscalls.exp foo.o -o $@
rm foo.c foo.o
-endif
+endif
ifeq ($(subdir),misc)
sysdep_routines += dl-error dl-support dl-libc dl-open dl-sym \
ifeq ($(subdir),timezone)
CPPFLAGS-zic.c = -Dunix
endif
-
-/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001 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
return res;
}
strong_alias (__fcntl, fcntl)
+strong_alias (__fcntl, __libc_fcntl)
--- /dev/null
+/* Initialization code run first thing by the XCOFF startup code. AIX version.
+ Copyright (C) 2001 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.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sysdep.h>
+#include <fpu_control.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <libc-internal.h>
+
+#ifndef SHARED
+# include <ldsodefs.h>
+# include "dl-osinfo.h"
+#endif
+
+extern void __libc_init (int, char **, char **);
+
+/* The function is called from assembly stubs the compiler can't see. */
+static void init (int, char **, char **) __attribute__ ((unused));
+
+extern int _dl_starting_up;
+weak_extern (_dl_starting_up)
+
+extern fpu_control_t _dl_fpu_control;
+extern int _dl_fpu_control_set;
+
+/* Set nonzero if we have to be prepared for more then one libc being
+ used in the process. Safe assumption if initializer never runs. */
+int __libc_multiple_libcs = 1;
+
+/* Remember the command line argument and enviroment contents for
+ later calls of initializers for dynamic libraries. */
+int __libc_argc;
+char **__libc_argv;
+
+
+static void
+init (int argc, char **argv, char **envp)
+{
+ extern void __getopt_clean_environment (char **);
+ /* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
+ If the address would be taken inside the expression the optimizer
+ would try to be too smart and throws it away. Grrr. */
+
+ /* XXX disable dl for now
+ int *dummy_addr = &_dl_starting_up;
+
+ __libc_multiple_libcs = dummy_addr && !_dl_starting_up; */
+
+ /* Save the command-line arguments. */
+ __libc_argc = argc;
+ __libc_argv = argv;
+ __environ = envp;
+
+#ifndef SHARED
+ __libc_init_secure ();
+#endif
+
+ __libc_init (argc, argv, envp);
+
+ /* This is a hack to make the special getopt in GNU libc working. */
+ __getopt_clean_environment (envp);
+
+#ifdef SHARED
+ __libc_global_ctors ();
+#endif
+}
+
+#ifdef SHARED
+
+strong_alias (init, _init);
+
+extern void __libc_init_first (void);
+
+void
+__libc_init_first (void)
+{
+}
+
+#else
+extern void __libc_init_first (int argc, char **argv, char **envp);
+
+void
+__libc_init_first (int argc, char **argv, char **envp)
+{
+ init (argc, argv, envp);
+}
+#endif
--- /dev/null
+/* Initialization code run first thing by the XCOFF startup code. AIX version.
+ Copyright (C) 2001 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.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* hack to use uchar's */
+typedef unsigned char uchar;
+#include <xcoff.h>
+#include <rtinit.h>
+#include <dlldr.h>
+#include <bits/libc-lock.h>
+
+extern void __libc_init_first (int argc, char **argv, char **envp);
+
+/* XXX disable for now
+extern int _dl_starting_up;
+weak_extern (_dl_starting_up)
+extern int __libc_multiple_libcs; */
+
+/* XXX normally defined in generic/dl-sydep.c, hack it into existance
+extern void *__libc_stack_end; */
+void *__libc_stack_end;
+
+struct __libc_start_data_rec
+{
+ void *stack;
+ void *toc;
+ int argc;
+ char **argv;
+ char **envp;
+ char *data;
+ char *text;
+ unsigned int mcount;
+ unsigned int special;
+ int (*main) (int, char **, char **);
+ void (*init) (void);
+ void (*fini) (void);
+ void (*rtld_fini) (void);
+};
+
+extern struct __libc_start_data_rec __libc_start_data;
+extern int errno;
+
+/* The first piece of initialized data. */
+int __data_start = 0;
+
+#ifndef HAVE_ELF
+/* Since gcc/crtstuff.c won't define it unless the ELF format is used
+ we will need to define it here. */
+void *__dso_handle = NULL;
+#endif
+
+/* AIX kernel function */
+extern int __loadx (int flag, void *module, void *arg1, void *arg2,
+ void *arg3);
+/* Needed by setenv */
+char **__environ;
+
+/* Needed by dl-support.c */
+/* XXX stubbing out dl-support.c for now..
+ size_t _dl_pagesize = 0; */
+
+/*
+ Find __rtinit symbol
+
+ __RTINIT *find_rtinit()
+
+ __RTINIT *rti - pointer to __rtinit data structure
+ */
+
+static __RTINIT *
+find_rtinit (void)
+{
+ struct xcoffhdr *xcoff_hdr;
+ SCNHDR *sec_hdr;
+ SCNHDR *ldr_sec_hdr;
+ SCNHDR *data_sec_hdr;
+ LDSYM *ldsym_hdr;
+ __RTINIT *rtl;
+
+ xcoff_hdr = (struct xcoffhdr *) __libc_start_data.text;
+ sec_hdr = (SCNHDR *) ((caddr_t) &xcoff_hdr->aouthdr
+ + xcoff_hdr->filehdr.f_opthdr);
+ ldr_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_snloader - 1));
+ ldsym_hdr = (LDSYM *) ((caddr_t)xcoff_hdr + ldr_sec_hdr->s_scnptr
+ + LDHDRSZ);
+
+ if ( __libc_start_data.mcount <= 0)
+ {
+ if (!ldr_sec_hdr->s_scnptr)
+ return (__RTINIT *) 0;
+
+ if (memcmp (ldsym_hdr, RTINIT_NAME, sizeof (RTINIT_NAME) - 1))
+ return (__RTINIT *) 0;
+ }
+
+ data_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_sndata - 1));
+ rtl = (__RTINIT *) (ldsym_hdr->l_value
+ + (__libc_start_data.data - data_sec_hdr->s_vaddr));
+ return rtl;
+}
+
+/*
+ The mod_init1 calls every initialization function for a given module.
+
+ void mod_init1(handler, rti)
+
+ void *handler - if NULL init funtions for modules loaded at exec time
+ are being executed. Otherwise, the handler points to the
+ module loaded.
+
+ __RTINIT *rti - pointer to __rtinit data structure (with rti->init_offset
+ not equal to zero)
+ */
+
+static void
+mod_init1 (void *handler,__RTINIT *rtl)
+{
+ __RTINIT_DESCRIPTOR *descriptor;
+
+ descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t) &rtl->rtl
+ + rtl->init_offset);
+ while (descriptor->f != NULL)
+ {
+ if (!(descriptor->flags & _RT_CALLED))
+ {
+ descriptor->flags |= _RT_CALLED;
+ (descriptor->f) (handler, rtl, descriptor); /* execute init/fini */
+ }
+ descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t) descriptor
+ + rtl->__rtinit_descriptor_size);
+ }
+}
+
+/* The modinit() function performs run-time linking, if enabled, and calling
+ the init() function for all loaded modules. */
+
+#define DL_BUFFER_SIZE 1000
+
+static int
+modinit (void)
+{
+ int *handler = 0;
+ __RTINIT *rtinit_info = 0;
+ int flag;
+ DL_INFO dl_buffer[DL_BUFFER_SIZE];
+ DL_INFO *dl_info = dl_buffer;
+ int i;
+
+ /* Find __rtinit symbols */
+ rtinit_info = find_rtinit ();
+
+ flag = DL_EXECQ;
+ if (rtinit_info && rtinit_info->rtl)
+ flag |= DL_LOAD_RTL;
+
+ /* Get a list of modules that have __rtinit */
+ if (__loadx (flag, dl_info, (void *) sizeof (dl_buffer), NULL, NULL))
+ exit (0x90);
+
+ if (dl_info[0].dlinfo_xflags & DL_INFO_OK)
+ {
+ rtinit_info = find_rtinit ();
+ if ((rtinit_info != NULL) & (rtinit_info->rtl != NULL))
+ {
+ if ((*rtinit_info->rtl) (dl_info, 0))
+ exit (0x90);
+ }
+ }
+
+ /* Initialization each module loaded that has __rtinit. */
+ if (dl_info[0].dlinfo_xflags & DL_INFO_OK)
+ {
+ for (i = 1; i < dl_info[0].dlinfo_arraylen + 1; ++i)
+ if (dl_info[i].dlinfo_flags & DL_HAS_RTINIT)
+ {
+ rtinit_info = find_rtini t();
+ if (rtinit_info)
+ mod_init1 (handler, rtinit_info);
+ }
+ }
+
+ return 0;
+}
+
+
+void
+__libc_start_init (void)
+{
+ /* Do run-time linking, if enabled and call the init()
+ for all loaded modules. */
+ if (__libc_start_data.mcount != __libc_start_data.special)
+ modinit ();
+}
+
+/* For now these are just stubs. */
+void
+__libc_start_fini (void)
+{
+}
+
+void
+__libc_start_rtld_fini (void)
+{
+}
+
+
+int
+__libc_start_main (void)
+{
+ /* Store the lowest stack address. */
+ __libc_stack_end = __libc_start_data.stack;
+
+ /* Used by setenv */
+ __environ = __libc_start_data.envp;
+
+#ifndef SHARED
+ /* Clear errno. */
+ errno = 0;
+
+ /* Some security at this point. Prevent starting a SUID binary where
+ the standard file descriptors are not opened. We have to do this
+ only for statically linked applications since otherwise the dynamic
+ loader did the work already. */
+ if (__builtin_expect (__libc_enable_secure, 0))
+ __libc_check_standard_fds ();
+
+#endif
+
+ /* Register the destructor of the dynamic linker if there is any. */
+ if (__builtin_expect (__libc_start_data.rtld_fini != NULL, 1))
+ __cxa_atexit ((void (*) (void *)) __libc_start_data.rtld_fini, NULL, NULL);
+
+ /* Call the initializer of the libc. This is only needed here if we
+ are compiling for the static library in which case we haven't
+ run the constructors in `_dl_start_user'. */
+#ifndef SHARED
+ __libc_init_first (__libc_start_data.argc, __libc_start_data.argv,
+ __libc_start_data.envp);
+#endif
+
+ /* Register the destructor of the program, if any. */
+ if (__libc_start_data.fini)
+ __cxa_atexit ((void (*) (void *)) __libc_start_data.fini, NULL, NULL);
+
+ /* Call the initializer of the program, if any. */
+ if (__libc_start_data.init)
+ (*__libc_start_data.init) ();
+
+ exit ((*__libc_start_data.main) (__libc_start_data.argc,
+ __libc_start_data.argv,
+ __libc_start_data.envp));
+}
+++ /dev/null
-/* Copyright (C) 1991, 93, 1995-1998, 2000, 2001 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.
-
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-
-/* Old compatibility names for C types. */
-typedef unsigned char uchar; /* sb in libc/posix/types.h */
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <xcoff.h>
-#include <rtinit.h>
-#include <dlldr.h>
-#include <bits/libc-lock.h>
-
-/* The first piece of initialized data. */
-int __data_start = 0;
-
-#ifndef HAVE_ELF
-/* Since gcc/crtstuff.c won't define it unless the ELF format is used
- we will need to define it here. */
-void *__dso_handle = NULL;
-#endif
-
-extern int errno;
-
-/* extern __pthread_init; */
-
-typedef void (*FPV)(void);
-
-typedef struct crt0_info
-{
- int *p_argc;
- FPV threads_init;
-} INFO;
-
-
-INFO crt0_info;
-int argc;
-char **argv;
-char **__environ;
-int module_count;
-caddr_t text_origin;
-caddr_t data_origin;
-
-asm("
- .toc
-LL..0: .tc argc[TC],argc
-LL..1: .tc argv[TC],argv
-LL..2: .tc __environ[TC],__environ
-LL..3: .tc module_count[TC],module_count
-LL..4: .tc text_origin[TC],text_origin
-LL..5: .tc data_origin[TC],data_origin
-");
-
-int main (int argc,char **argv,char **__environ);
-int modinit(int argc,INFO *crt0_info, int module_count,
- caddr_t text_origin, caddr_t data_origin);
-
-void mod_init1(void *handler,__RTINIT *rti);
-
-__RTINIT *find_rtinit(caddr_t text_origin,caddr_t data_origin, int module_count);
-
-extern int *__loadx();
-
-void __start(void)
-{
-#ifdef __64BIT__
-asm("
- ld 17,LL..0(2) # argc
- std 14,0(17) # copy reg14 to argc
- ld 17,LL..1(2) # argv
- std 15,0(17) # copy reg15 to argv
- ld 17,LL..2(2) # envp
- std 16,0(17) # copy reg16 to envp
- ld 17,LL..3(2) # module_count
- std 30,0(17) # copy reg30 to module_count
- ld 17,LL..4(2) # text_origin
- std 29,0(17) # copy reg29 to text_origin
- ld 17,LL..5(2) # data_origin
- std 28,0(17) # copy reg28 to data_origin
-");
-#else
-asm("
- lwz 17,LL..0(2) # argc
- stw 3,0(17) # copy reg3 to argc
- lwz 17,LL..1(2) # argv
- stw 4,0(17) # copy reg4 to argv
- lwz 17,LL..2(2) # envp
- stw 5,0(17) # copy reg5 to envp
- lwz 17,LL..3(2) # module_count
- stw 30,0(17) # copy reg30 to module_count
- lwz 17,LL..4(2) # text_origin
- stw 29,0(17) # copy reg29 to text_origin
- lwz 17,LL..5(2) # data_origin
- stw 28,0(17) # copy reg28 to data_origin
-");
-#endif
- crt0_info.p_argc = (int*)&argc;
-
-/* crt0_info.threads_init = (FPV) &__pthread_init; */
-
- /*
- * Do run-time linking, if enabled and call the init()
- * for all loaded modules.
- */
- argc = modinit(argc,&crt0_info,module_count,text_origin,data_origin);
-
- errno=0;
- /*
- * Call the user program.
- */
- exit (main (argc, argv, __environ));
-}
-
-/*
- * The modinit() function performs run-time linking,
- * if enabled, and calling the init() function for
- * all loaded modules.
- *
- * int modinit(argc,crt0_info,module_count,text,data)
- *
- * argc - current value of argc.
- * info - crt0 information passed
- * module_count - number of modules loaded.
- * text - Beginning of text address
- * data - Beginning of data address
- */
-
-#define DL_BUFFER_SIZE 1000
-
-int modinit(int argc,INFO *crt0_info, int module_count,
- caddr_t text_origin, caddr_t data_origin)
-{
- int *handler = 0;
- __RTINIT *rtinit_info = 0;
- int flag;
- DL_INFO dl_buffer[DL_BUFFER_SIZE];
- DL_INFO *dl_info = dl_buffer;
- int i;
- FPV p;
- __libc_lock_define_initialized(static,modinit_lock);
-
- /*
- * try to find __rtinit symbols
- */
- rtinit_info = find_rtinit(text_origin,data_origin,module_count);
-
- flag = DL_EXECQ;
- if (rtinit_info && rtinit_info->rtl) flag |= DL_LOAD_RTL;
-
- /*
- * get a list of modules that have __rtinit
- */
- if (__loadx(flag, dl_info, sizeof(dl_buffer))) exit(0x90);
-
- if (( dl_info[0].dlinfo_xflags & DL_INFO_OK))
- {
- rtinit_info = find_rtinit(dl_info[1].dlinfo_textorg,
- dl_info[1].dlinfo_dataorg,
- module_count);
- if ((rtinit_info != NULL) & (rtinit_info->rtl != NULL))
- {
- if((*rtinit_info->rtl)(dl_info,0)) exit(0x90);
- }
- }
-
- /*
- * initialize threads in case any init
- * functions need thread functions
- */
- if (crt0_info->threads_init)
- (*crt0_info->threads_init)();
-
- p = (FPV) __loadx(DL_GLOBALSYM | DL_SRCHLOADLIST,"pthread_init");
- if (p)
- (*p)();
-
- __libc_lock_lock(modinit_lock);
-
- /*
- * initialization each module loaded that has __rtinit.
- */
- if (( dl_info[0].dlinfo_xflags & DL_INFO_OK))
- {
- for (i=1; i < dl_info[0].dlinfo_arraylen + 1; i++)
- {
- if (dl_info[i].dlinfo_flags & DL_HAS_RTINIT)
- {
- rtinit_info = find_rtinit(dl_info[i].dlinfo_textorg,
- dl_info[i].dlinfo_dataorg,
- module_count);
- if (rtinit_info)
- {
- mod_init1(handler,rtinit_info);
- }
- }
- }
- }
-
- __libc_lock_unlock(modinit_lock);
- /*
- * reload argc if needed.
- */
- return((int) (*crt0_info->p_argc));
-}
-
-/*
- * The mod_init1 calls every initialization function
- * for a given module.
- *
- * void mod_init1(handler, rti)
- *
- * void *handler - if NULL init funtions for modules loaded at exec time
- * are being executed. Otherwise, the handler points to the
- * module loaded.
- *
- * __RTINIT *rti - pointer to __rtinit data structure (with rti->init_offset
- * not equal to zero)
- */
-
-void mod_init1(void *handler,__RTINIT *rtl)
-{
- __RTINIT_DESCRIPTOR *descriptor;
-
- descriptor =(__RTINIT_DESCRIPTOR *) ((caddr_t)&rtl->rtl + rtl->init_offset);
- while (descriptor->f)
- {
- if (!(descriptor->flags & _RT_CALLED))
- {
- descriptor->flags |= _RT_CALLED;
- ( descriptor->f )(handler,rtl,descriptor); /* execute init/fini */
- }
- descriptor = (__RTINIT_DESCRIPTOR *) ((caddr_t)descriptor +
- rtl->__rtinit_descriptor_size);
- }
-}
-
-
-/*
- * Find __rtinit symbol
- *
- * __RTINIT *find_rtinit(caddr_t text_origin)
- *
- * caddr_t text_origin - Beginning of text area
- * caddr_t data_origin - Beginning of data area
- * int module_count - Number of modules loaded
- * __RTINIT *rti - pointer to __rtinit data structure
- */
-
-__RTINIT *find_rtinit(caddr_t text_origin, caddr_t data_origin, int module_count)
-{
- struct xcoffhdr *xcoff_hdr;
- SCNHDR *sec_hdr;
- SCNHDR *ldr_sec_hdr;
- SCNHDR *data_sec_hdr;
- LDSYM *ldsym_hdr;
- __RTINIT *rtl;
-
- xcoff_hdr = (struct xcoffhdr *) text_origin;
- sec_hdr = (SCNHDR *) ((caddr_t)&xcoff_hdr->aouthdr +
- xcoff_hdr->filehdr.f_opthdr);
- ldr_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_snloader - 1));
- ldsym_hdr = (LDSYM *) ((caddr_t)xcoff_hdr + ldr_sec_hdr->s_scnptr +
- LDHDRSZ);
-
- if ( module_count <= 0)
- {
- if ( !(ldr_sec_hdr->s_scnptr) ) return ((__RTINIT *) 0);
-
- if ( memcmp(ldsym_hdr,RTINIT_NAME,sizeof(RTINIT_NAME)-1))
- return ((__RTINIT *) 0);
- }
-
- data_sec_hdr = (SCNHDR *) (sec_hdr + (xcoff_hdr->aouthdr.o_sndata - 1));
- rtl = (__RTINIT *) (ldsym_hdr->l_value +
- (data_origin - data_sec_hdr->s_vaddr));
- return(rtl);
-}
--- /dev/null
+/* Copyright (C) 2001 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.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+ .file "start.s"
+ .toc
+T.lsd: .tc __libc_start_data[tc], __libc_start_data[rw]
+T.main: .tc main[tc], main[rw]
+T.init: .tc __libc_start_init[tc], __libc_start_init[rw]
+T.fini: .tc __libc_start_fini[tc], __libc_start_init[rw]
+T.rtld_fini : .tc __libc_start_rtld_fini[tc], __libc_start_rtld_fini[rw]
+
+ .globl __start
+ .globl .__start
+ .globl __libc_start_data
+
+ .extern .__libc_start_main
+ .extern .main
+ .extern main
+ .extern __libc_start_init
+ .extern __libc_start_fini
+ .extern __libc_start_rtld_fini
+
+/* Text */
+
+ .csect __start[ds]
+__start:
+ .long .__start, TOC[tc0], 0
+
+ .csect .text[pr]
+.__start:
+
+/* No prologue needed, __start does not have to follow the ABI.
+
+ Input from kernel/loader
+ r1 : stack
+ r2 : TOC
+ r3 : argc
+ r4 : argv
+ r5 : envp
+ r28 : data origin
+ r29 : text origin
+ r30 : module count
+ r31 : default processing flag
+
+ If r31 == r30, no special processing is needed, ie r28, r29 & r30
+ are not used
+
+ Save input in __libc_start_data */
+ l 16, T.lsd(2)
+ st 1, 0(16) /* stack */
+ st 2, 4(16) /* toc */
+ st 3, 8(16) /* argc */
+ st 4, 12(16) /* argv */
+ st 5, 16(16) /* envp */
+ st 28, 20(16) /* data origin */
+ st 29, 24(16) /* text origin */
+ st 30, 28(16) /* module count */
+ st 31, 32(16) /* special */
+
+/* Call __libc_start_main() */
+
+ bl .__libc_start_main
+ nop
+
+/* No epilog needed, __start does not have to follow the ABI */
+
+/* Trace back */
+TB.__start:
+ .long 0x0
+ .long 0xc2040
+ .long 0x0
+ .long TB.__start - .__start
+ .short 7
+ .byte "__start"
+ .byte 0,0,0
+
+/* Data
+ __libc_start_data
+ Space to keep libc initialization information */
+
+ .csect __libc_start_data[rw]
+__libc_start_data:
+/* For kernel/loader input args */
+ .space 36
+
+/* Externs */
+ .long main
+init:
+ .long __libc_start_init
+fini:
+ .long __libc_start_fini
+rtld_fini:
+ .long __libc_start_rtld_fini
+ .space 0x1000 + (4 + rtld_fini - __libc_start_data)
--- /dev/null
+/* Copyright (C) 1992, 1997, 2001 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.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* In various parts of this file we define the System V values for
+ things as _SYSV_<whatever>. Those are the values that System V
+ uses for termio, and also (SVR4) termios. Not necessarily the
+ same as the GNU termios that the library user sees. */
+
+/* Number of elements of c_cc. termio only. */
+#define _SYSV_NCC 8
+
+#define _SYSV_VINTR 0
+#define _SYSV_VQUIT 1
+#define _SYSV_VERASE 2
+#define _SYSV_VKILL 3
+#define _SYSV_VEOF 4
+/* This field means VEOF if ICANON, VMIN if not. */
+#define _SYSV_VMIN 4
+#define _SYSV_VEOL 5
+/* This field means VEOL if ICANON, VTIME if not. */
+#define _SYSV_VTIME 5
+#define _SYSV_VEOL2 6
+
+/* Flags in c_iflag. */
+#define _SYSV_IGNBRK 1
+#define _SYSV_BRKINT 2
+#define _SYSV_IGNPAR 4
+#define _SYSV_PARMRK 8
+#define _SYSV_INPCK 0x10
+#define _SYSV_ISTRIP 0x20
+#define _SYSV_INLCR 0x40
+#define _SYSV_IGNCR 0x80
+#define _SYSV_ICRNL 0x100
+#define _SYSV_IUCLC 0x200
+#define _SYSV_IXON 0x400
+#define _SYSV_IXANY 0x800
+#define _SYSV_IXOFF 0x1000
+#define _SYSV_IMAXBEL 0x2000
+
+/* Flags in c_cflag. */
+#define _SYSV_CBAUD 0xf
+#define _SYSV_CIBAUD 0xf0000 /* termios only. */
+#define _SYSV_IBSHIFT 16
+/* Values for CBAUD and CIBAUD. */
+#define _SYSV_B0 0
+#define _SYSV_B50 1
+#define _SYSV_B75 2
+#define _SYSV_B110 3
+#define _SYSV_B134 4
+#define _SYSV_B150 5
+#define _SYSV_B200 6
+#define _SYSV_B300 7
+#define _SYSV_B600 8
+#define _SYSV_B1200 9
+#define _SYSV_B1800 10
+#define _SYSV_B2400 11
+#define _SYSV_B4800 12
+#define _SYSV_B9600 13
+#define _SYSV_B19200 14
+#define _SYSV_B38400 15
+
+#define _SYSV_CS5 0
+#define _SYSV_CS6 0x10
+#define _SYSV_CS7 0x20
+#define _SYSV_CS8 0x30
+#define _SYSV_CSIZE 0x30
+#define _SYSV_CSTOPB 0x40
+#define _SYSV_CREAD 0x80
+#define _SYSV_PARENB 0x100
+#define _SYSV_PARODD 0x200
+#define _SYSV_HUPCL 0x400
+#define _SYSV_CLOCAL 0x800
+
+/* Flags in c_lflag. */
+#define _SYSV_ISIG 1
+#define _SYSV_ICANON 2
+#define _SYSV_ECHO 8
+#define _SYSV_ECHOE 0x10
+#define _SYSV_ECHOK 0x20
+#define _SYSV_ECHONL 0x40
+#define _SYSV_NOFLSH 0x80
+#define _SYSV_TOSTOP 0x100
+#define _SYSV_ECHOCTL 0x200
+#define _SYSV_ECHOPRT 0x400
+#define _SYSV_ECHOKE 0x800
+#define _SYSV_FLUSHO 0x2000
+#define _SYSV_PENDIN 0x4000
+#define _SYSV_IEXTEN 0x8000
+
+/* Flags in c_oflag. */
+#define _SYSV_OPOST 1
+#define _SYSV_OLCUC 2
+#define _SYSV_ONLCR 4
+#define _SYSV_NLDLY 0x100
+#define _SYSV_NL0 0
+#define _SYSV_NL1 0x100
+#define _SYSV_CRDLY 0x600
+#define _SYSV_CR0 0
+#define _SYSV_CR1 0x200
+#define _SYSV_CR2 0x400
+#define _SYSV_CR3 0x600
+#define _SYSV_TABDLY 0x1800
+#define _SYSV_TAB0 0
+#define _SYSV_TAB1 0x0800
+#define _SYSV_TAB2 0x1000
+/* TAB3 is an obsolete name for XTABS. But we provide it since some
+ programs expect it to exist. */
+#define _SYSV_TAB3 0x1800
+#define _SYSV_XTABS 0x1800
+#define _SYSV_BSDLY 0x2000
+#define _SYSV_BS0 0
+#define _SYSV_BS1 0x2000
+#define _SYSV_VTDLY 0x4000
+#define _SYSV_VT0 0
+#define _SYSV_VT1 0x4000
+#define _SYSV_FFDLY 0x8000
+#define _SYSV_FF0 0
+#define _SYSV_FF1 0x8000
+
+/* ioctl's. */
+
+#define _TCGETA 0x5405
+#define _TCSETA 0x5406
+#define _TCSETAW 0x5407
+#define _TCSETAF 0x5408
+#define _TCSBRK 0x5409
+#define _TCXONC 0x540B
+#define _TCFLSH 0x540C
+#define _TIOCGPGRP 0x7414
+#define _TIOCSPGRP 0x7415
+
+struct __sysv_termio
+ {
+ unsigned short c_iflag;
+ unsigned short c_oflag;
+ unsigned short c_cflag;
+ unsigned short c_lflag;
+ char c_line;
+ unsigned char c_cc[_SYSV_NCC];
+ };
projects / platform / upstream / linaro-glibc.git / commitdiff