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Tue Jun 4 02:25:44 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

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* elf/linux-compat.c (_init): Pass reloc_addr arg to _dl_lookup_symbol.

	* elf/dl-lookup.c (_dl_lookup_symbol): Use l_searchlist.

	* elf/dl-deps.c: New file.
	* elf/Makefile (rtld-routines): Add dl-deps.
	* elf/link.h: Declare _dl_map_object_deps, _dl_open.
	* elf/rtld.c (dl_main): Use _dl_map_object_deps.
	* elf/dlopen.c: Use _dl_open.

	* elf/rtld.c (dl_main): Remove BEFORE_RTLD variable and list
	frobnication based on its value.  Detach RTLD_MAP from the chain if
	its l_opencount is zero after loading deps.

	* elf/dlfcn.h (RTLD_BINDING_MASK): New macro.

	* elf/link.h (struct link_map): Replace l_deps_loaded flag member with
	`struct link_map **l_searchlist' and `unsigned int l_nsearchlist'.
	* elf/dl-lookup.c (_dl_lookup_symbol): Make SYMBOL_SCOPE arg an array
	of two link_map ptrs.  Search the maps in the l_searchlist of each
	elt that is not null.
	* elf/dl-reloc.c (_dl_relocate_object): Pass proper SCOPE array.
	* elf/dl-runtime.c: Likewise.
	* elf/dlsym.c: Likewise.
	* elf/rtld.c (dl_main): Likewise.

	* elf/dl-minimal.c (realloc): Support realloc of the block most
	recently returned by the minimal malloc.

	* intl/localealias.c, intl/dcgettext.c [_LIBC]: Define HAVE_ALLOCA.
This commit is contained in:
Roland McGrath
1996-06-04 05:18:15 +00:00
parent b25ae9c6a4
commit efec1d0c47
13 changed files with 253 additions and 162 deletions
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13
elf/dl-minimal.c
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@@ -1,5 +1,5 @@
/* Minimal replacements for basic facilities used in the dynamic linker.
Copyright (C) 1995 Free Software Foundation, Inc.
Copyright (C) 1995, 1996 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
@@ -84,10 +84,17 @@ free (void *ptr)
}
weak_symbol (free)
/* This is never called. */
/* This is only called with the most recent block returned by malloc. */
void *
realloc (void *ptr, size_t n)
{ ptr += n; abort (); }
{
void *new;
assert (ptr == alloc_last_block);
alloc_ptr = alloc_last_block;
new = malloc (n);
assert (new == ptr);
return new;
}
weak_symbol (realloc)
/* Avoid signal frobnication in setjmp/longjmp. Keeps things smaller. */