diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/dl-iteratephdr-static.c | 31 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c | 61 |
2 files changed, 92 insertions, 0 deletions
diff --git a/sysdeps/generic/dl-iteratephdr-static.c b/sysdeps/generic/dl-iteratephdr-static.c new file mode 100644 index 0000000000..8483b483c2 --- /dev/null +++ b/sysdeps/generic/dl-iteratephdr-static.c @@ -0,0 +1,31 @@ +/* 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; +} diff --git a/sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c b/sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c new file mode 100644 index 0000000000..af646233aa --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/dl-iteratephdr-static.c @@ -0,0 +1,61 @@ +/* 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); +} |