mirrors/binutils-gdb
0
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-12-24 17:53:52 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Based on patch from H.J. Lu <hjl@gnu.org>:

Browse Source 
* elf.c (bfd_elf_get_bfd_needed_list): New function.
	* bfd-in.h (bfd_elf_get_bfd_needed_list): Declare.
	* bfd-in2.h: Rebuild.
This commit is contained in:
Ian Lance Taylor 1998-04-27 15:51:27 +00:00
parent f68cdf65e8
commit 0d3887ba8f
2 changed files with 93 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
Mon Apr 27 11:49:55 1998 Ian Lance Taylor <ian@cygnus.com>
Based on patch from H.J. Lu <hjl@gnu.org>:
* elf.c (bfd_elf_get_bfd_needed_list): New function.
* bfd-in.h (bfd_elf_get_bfd_needed_list): Declare.
* bfd-in2.h: Rebuild.
Sat Apr 25 20:07:53 1998 Richard Henderson <rth@cygnus.com>
* elf64-alpha.c (struct alpha_relax_info): Replace elfsym with other.

87
bfd/elf.c
View File

@ -916,7 +916,7 @@ bfd_elf_set_dt_needed_name (abfd, name)
}
/* Get the list of DT_NEEDED entries for a link. This is a hook for
the ELF emulation code. */
the linker ELF emulation code. */
struct bfd_link_needed_list *
bfd_elf_get_needed_list (abfd, info)
@ -941,6 +941,91 @@ bfd_elf_get_dt_soname (abfd)
return elf_dt_name (abfd);
return NULL;
}
/* Get the list of DT_NEEDED entries from a BFD. This is a hook for
the ELF linker emulation code. */
boolean
bfd_elf_get_bfd_needed_list (abfd, pneeded)
bfd *abfd;
struct bfd_link_needed_list **pneeded;
{
asection *s;
bfd_byte *dynbuf = NULL;
int elfsec;
unsigned long link;
bfd_byte *extdyn, *extdynend;
size_t extdynsize;
void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
*pneeded = NULL;
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour
|| bfd_get_format (abfd) != bfd_object)
return true;
s = bfd_get_section_by_name (abfd, ".dynamic");
if (s == NULL || s->_raw_size == 0)
return true;
dynbuf = (bfd_byte *) bfd_malloc (s->_raw_size);
if (dynbuf == NULL)
goto error_return;
if (! bfd_get_section_contents (abfd, s, (PTR) dynbuf, (file_ptr) 0,
s->_raw_size))
goto error_return;
elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
if (elfsec == -1)
goto error_return;
link = elf_elfsections (abfd)[elfsec]->sh_link;
extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
extdyn = dynbuf;
extdynend = extdyn + s->_raw_size;
for (; extdyn < extdynend; extdyn += extdynsize)
{
Elf_Internal_Dyn dyn;
(*swap_dyn_in) (abfd, (PTR) extdyn, &dyn);
if (dyn.d_tag == DT_NULL)
break;
if (dyn.d_tag == DT_NEEDED)
{
const char *string;
struct bfd_link_needed_list *l;
string = bfd_elf_string_from_elf_section (abfd, link,
dyn.d_un.d_val);
if (string == NULL)
goto error_return;
l = (struct bfd_link_needed_list *) bfd_alloc (abfd, sizeof *l);
if (l == NULL)
goto error_return;
l->by = abfd;
l->name = string;
l->next = *pneeded;
*pneeded = l;
}
}
free (dynbuf);
return true;
error_return:
if (dynbuf != NULL)
free (dynbuf);
return false;
}
/* Allocate an ELF string table--force the first byte to be zero. */