+2001-07-25 Jakub Jelinek <jakub@redhat.com>
+
+ * elf/Makefile (routines): Add dl-iteratephdr and
+ dl-iteratephdr-static.
+ (elide-routines.os): Add dl-iteratephdr-static.
+ * elf/dl-iteratephdr.c: New file.
+ * elf/link.h (struct dl_phdr_info): New definition.
+ (dl_iterate_phdr): New prototype.
+ * elf/Versions (dl_iterate_phdr): Add at GLIBC_2.2.4.
+ * include/link.h (struct dl_phdr_info): New definition.
+ (dl_iterate_phdr, __dl_iterate_phdr): New prototypes.
+ * sysdeps/generic/dl-iteratephdr-static.c: New file.
+ * sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c: New file.
+
2001-07-24 Igor Khavkine <i_khavki@alcor.concordia.ca>
- * hurd/hurdsig.c (_hurdsig_init): Fix incorrect initialization
- of pending signals.
+ * hurd/hurdsig.c (_hurdsig_init): Fix incorrect initialization
+ of pending signals.
2001-06-22 Jakub Jelinek <jakub@redhat.com>
# functions used in other libraries
_dl_sym; _dl_vsym;
}
+ GLIBC_2.2.4 {
+ dl_iterate_phdr;
+ }
}
ld {
--- /dev/null
+/* Get loaded objects program headers.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <ldsodefs.h>
+#include <stddef.h>
+#include <bits/libc-lock.h>
+
+__libc_lock_define (extern, _dl_load_lock)
+
+int
+__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data), void *data)
+{
+ struct link_map *l;
+ struct dl_phdr_info info;
+ int ret = 0;
+
+ /* Make sure we are alone. */
+ __libc_lock_lock (_dl_load_lock);
+
+ for (l = _dl_loaded; l != NULL; l = l->l_next)
+ {
+ /* Skip the dynamic linker. */
+ if (l->l_phdr == NULL)
+ continue;
+ info.dlpi_addr = l->l_addr;
+ info.dlpi_name = l->l_name;
+ info.dlpi_phdr = l->l_phdr;
+ info.dlpi_phnum = l->l_phnum;
+ ret = callback (&info, sizeof (struct dl_phdr_info), data);
+ if (ret)
+ break;
+ }
+
+ /* Release the lock. */
+ __libc_lock_unlock (_dl_load_lock);
+
+ return ret;
+}
+
+#ifdef SHARED
+weak_alias (__dl_iterate_phdr, dl_iterate_phdr);
+#endif
/* Data structure for communication from the run-time dynamic linker for
loaded ELF shared objects.
- Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995-1999, 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
struct link_map *l_next, *l_prev; /* Chain of loaded objects. */
};
+#ifdef __USE_GNU
+
+struct dl_phdr_info
+ {
+ ElfW(Addr) dlpi_addr;
+ const char *dlpi_name;
+ const ElfW(Phdr) *dlpi_phdr;
+ ElfW(Half) dlpi_phnum;
+ };
+
+__BEGIN_DECLS
+
+extern int dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data),
+ void *data) __THROW;
+
+__END_DECLS
+
+#endif
+
#endif /* link.h */
unsigned int l_idx;
};
+struct dl_phdr_info
+ {
+ ElfW(Addr) dlpi_addr;
+ const char *dlpi_name;
+ const ElfW(Phdr) *dlpi_phdr;
+ ElfW(Half) dlpi_phnum;
+ };
+
+extern int dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data),
+ void *data);
+extern int __dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data),
+ void *data);
+
#endif /* link.h */
--- /dev/null
+/* Get static program's program headers.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <elf/link.h>
+#include <stddef.h>
+
+int
+dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data), void *data)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
--- /dev/null
+/* Get static program's program headers. IA-64 version.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <assert.h>
+#include <errno.h>
+#include <link.h>
+#include <stddef.h>
+
+extern unsigned long ip_segrel;
+
+asm (".section .rodata; ip_segrel: data8 @segrel(ip#); .previous");
+
+int
+dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
+ size_t size, void *data), void *data)
+{
+ char *ip;
+ ElfW(Ehdr) *ehdr;
+ struct dl_phdr_info info;
+ int ret;
+
+ asm ("ip: mov %0 = ip" : "=r" (ip));
+ ehdr = (ElfW(Ehdr) *) (ip - ip_segrel);
+
+ assert (ehdr->e_ident[0] == 0x7f
+ && ehdr->e_ident[1] == 'E'
+ && ehdr->e_ident[2] == 'L'
+ && ehdr->e_ident[3] == 'F'
+ && ehdr->e_ident[EI_CLASS] == ELFCLASS64
+ && ehdr->e_ident[EI_DATA] == ELFDATA2LSB
+ && ehdr->e_machine == EM_IA_64
+ && ehdr->e_type == ET_EXEC);
+
+ info.dlpi_addr = 0;
+ info.dlpi_name = NULL;
+ info.dlpi_phdr = (ElfW(Phdr) *) ((char *) ehdr + ehdr->e_phoff);
+ info.dlpi_phnum = ehdr->e_phnum;
+
+ ret = callback (&info, sizeof (struct dl_phdr_info), data);
+ if (ret)
+ return ret;
+
+ return __dl_iterate_phdr (callback, data);
+}
projects / platform / upstream / linaro-glibc.git / commitdiff