mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-23 10:03:47 +08:00
Fix support for PECOFF weak symbols
This commit is contained in:
Nick Clifton
parent
998b002970
commit
977cdf5aa7
@ -1,3 +1,11 @@
|
||||
2004-11-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
|
||||
|
||||
* coff-i386.c (coff_i386_reloc): Fix weak symbols.
|
||||
* cofflink.c (_bfd_coff_link_input_bfd): Don't process
|
||||
C_NT_WEAK aux entries.
|
||||
(_bfd_coff_generic_relocate_section): Handle undefined
|
||||
aliases.
|
||||
|
||||
2004-11-07 Andreas Schwab <schwab@suse.de>
|
||||
|
||||
* elf32-m68k.c (elf_m68k_adjust_dynamic_symbol): Use
|
||||
|
||||
@ -4,21 +4,21 @@
|
||||
Free Software Foundation, Inc.
|
||||
Written by Cygnus Support.
|
||||
|
||||
This file is part of BFD, the Binary File Descriptor library.
|
||||
This file is part of BFD, the Binary File Descriptor library.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 General Public License for more details.
|
||||
This program 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include "bfd.h"
|
||||
#include "sysdep.h"
|
||||
@ -119,6 +119,8 @@ coff_i386_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
|
||||
here. */
|
||||
if (howto->pc_relative && howto->pcrel_offset)
|
||||
diff = -(1 << howto->size);
|
||||
else if (symbol->flags & BSF_WEAK)
|
||||
diff = reloc_entry->addend - symbol->value;
|
||||
else
|
||||
diff = -reloc_entry->addend;
|
||||
}
|
||||
|
||||
@ -1,3 +1,7 @@
|
||||
2004-11-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
|
||||
|
||||
* doc/binutils.texi (nm): Update description of weak symbols.
|
||||
|
||||
2004-11-03 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* readelf.c (do_debug_ranges): New variable.
|
||||
|
||||
@ -749,7 +749,9 @@ weak object symbol. When a weak defined symbol is linked with a normal
|
||||
defined symbol, the normal defined symbol is used with no error.
|
||||
When a weak undefined symbol is linked and the symbol is not defined,
|
||||
the value of the symbol is determined in a system-specific manner without
|
||||
error. Uppercase indicates that a default value has been specified.
|
||||
error. On some systems, uppercase indicates that a default value has been
|
||||
specified.
|
||||
|
||||
|
||||
@item -
|
||||
The symbol is a stabs symbol in an a.out object file. In this case, the
|
||||
|
||||
@ -1,3 +1,27 @@
|
||||
2004-11-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
|
||||
|
||||
* symbols.c (any_external_name): Define.
|
||||
(resolve_symbol_value): Do not convert weak symbols.
|
||||
(S_SET_EXTERNAL): Support any_external_name.
|
||||
(S_SET_NAME): Qualify parameter const.
|
||||
(symbol_equated_reloc_p): Don't equate weaks when relocating.
|
||||
* symbols.h (S_SET_NAME): Qualfiy parameter const.
|
||||
* tc.h (any_external_name): Declare.
|
||||
* config/obj-coff.c ("coff/pe.h"): Include for BFD
|
||||
assemblers also.
|
||||
(weak_is_altname): Declare and define.
|
||||
(weak_name2altname): Same.
|
||||
(weak_altname2name): Same.
|
||||
(weak_uniquify): Same.
|
||||
(weak_altprefix): Define.
|
||||
(obj_coff_weak): Change .weak syntax and handling.
|
||||
(coff_frob_symbol): Fix PE weak symbol alternates.
|
||||
* config/obj-coff.h (USE_UNIQUE): Define.
|
||||
* config/tc-i386.c (md_apply_fix3): Assume weak symbols
|
||||
are in another segment.
|
||||
(tc_gen_reloc): Remove broken addend hack.
|
||||
doc/as.texinfo: Update.
|
||||
|
||||
2004-11-05 Sterling Augustine <sterling@tensilica.com>
|
||||
|
||||
* config/tc-xtensa.c (total_frag_text_expansion): New.
|
||||
|
||||
@ -26,6 +26,10 @@
|
||||
#include "obstack.h"
|
||||
#include "subsegs.h"
|
||||
|
||||
#ifdef TE_PE
|
||||
#include "coff/pe.h"
|
||||
#endif
|
||||
|
||||
/* I think this is probably always correct. */
|
||||
#ifndef KEEP_RELOC_INFO
|
||||
#define KEEP_RELOC_INFO
|
||||
@ -41,6 +45,10 @@
|
||||
/* This is used to hold the symbol built by a sequence of pseudo-ops
|
||||
from .def and .endef. */
|
||||
static symbolS *def_symbol_in_progress;
|
||||
#ifdef TE_PE
|
||||
/* PE weak alternate symbols begin with this string. */
|
||||
static const char weak_altprefix[] = ".weak.";
|
||||
#endif /* TE_PE */
|
||||
|
||||
typedef struct
|
||||
{
|
||||
@ -1096,14 +1104,84 @@ obj_coff_val (ignore)
|
||||
demand_empty_rest_of_line ();
|
||||
}
|
||||
|
||||
#ifdef TE_PE
|
||||
|
||||
/* Return nonzero if name begins with weak alternate symbol prefix. */
|
||||
|
||||
static int
|
||||
weak_is_altname (const char * name)
|
||||
{
|
||||
return ! strncmp (name, weak_altprefix, sizeof (weak_altprefix) - 1);
|
||||
}
|
||||
|
||||
/* Return the name of the alternate symbol
|
||||
name corresponding to a weak symbol's name. */
|
||||
|
||||
static const char *
|
||||
weak_name2altname (const char * name)
|
||||
{
|
||||
char *alt_name;
|
||||
|
||||
alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name));
|
||||
strcpy (alt_name, weak_altprefix);
|
||||
return strcat (alt_name, name);
|
||||
}
|
||||
|
||||
/* Return the name of the weak symbol corresponding to an
|
||||
alterate symbol. */
|
||||
|
||||
static const char *
|
||||
weak_altname2name (const char * name)
|
||||
{
|
||||
char * weak_name;
|
||||
char * dot;
|
||||
|
||||
assert (weak_is_altname (name));
|
||||
|
||||
weak_name = xstrdup (name + 6);
|
||||
if ((dot = strchr (weak_name, '.')))
|
||||
*dot = 0;
|
||||
return weak_name;
|
||||
}
|
||||
|
||||
/* Make a weak symbol name unique by
|
||||
appending the name of an external symbol. */
|
||||
|
||||
static const char *
|
||||
weak_uniquify (const char * name)
|
||||
{
|
||||
char *ret;
|
||||
const char * unique = "";
|
||||
|
||||
#ifdef USE_UNIQUE
|
||||
if (an_external_name != NULL)
|
||||
unique = an_external_name;
|
||||
#endif
|
||||
assert (weak_is_altname (name));
|
||||
|
||||
if (strchr (name + sizeof (weak_altprefix), '.'))
|
||||
return name;
|
||||
|
||||
ret = xmalloc (strlen (name) + strlen (unique) + 2);
|
||||
strcpy (ret, name);
|
||||
strcat (ret, ".");
|
||||
strcat (ret, unique);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif /* TE_PE */
|
||||
|
||||
/* Handle .weak. This is a GNU extension in formats other than PE. */
|
||||
|
||||
static void
|
||||
obj_coff_weak (ignore)
|
||||
int ignore ATTRIBUTE_UNUSED;
|
||||
obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
|
||||
{
|
||||
char *name;
|
||||
int c;
|
||||
symbolS *symbolP;
|
||||
#ifdef TE_PE
|
||||
symbolS *alternateP;
|
||||
#endif
|
||||
|
||||
do
|
||||
{
|
||||
@ -1115,6 +1193,7 @@ obj_coff_weak (ignore)
|
||||
ignore_rest_of_line ();
|
||||
return;
|
||||
}
|
||||
c = 0;
|
||||
symbolP = symbol_find_or_make (name);
|
||||
*input_line_pointer = c;
|
||||
SKIP_WHITESPACE ();
|
||||
@ -1125,42 +1204,20 @@ obj_coff_weak (ignore)
|
||||
|
||||
#ifdef TE_PE
|
||||
/* See _Microsoft Portable Executable and Common Object
|
||||
* File Format Specification_, section 5.5.3.
|
||||
* Note that weak symbols without aux records are a GNU
|
||||
* extension.
|
||||
*/
|
||||
File Format Specification_, section 5.5.3.
|
||||
Create a symbol representing the alternate value.
|
||||
coff_frob_symbol will set the value of this symbol from
|
||||
the value of the weak symbol itself. */
|
||||
S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
|
||||
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
||||
SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_LIBRARY);
|
||||
|
||||
if (c == '=')
|
||||
{
|
||||
symbolS *alternateP;
|
||||
long characteristics = 2;
|
||||
++input_line_pointer;
|
||||
if (*input_line_pointer == '=')
|
||||
{
|
||||
characteristics = 1;
|
||||
++input_line_pointer;
|
||||
}
|
||||
alternateP = symbol_find_or_make (weak_name2altname (name));
|
||||
S_SET_EXTERNAL (alternateP);
|
||||
S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK);
|
||||
|
||||
SKIP_WHITESPACE();
|
||||
name = input_line_pointer;
|
||||
c = get_symbol_end();
|
||||
if (*name == 0)
|
||||
{
|
||||
as_warn (_("alternate name missing in .weak directive"));
|
||||
ignore_rest_of_line ();
|
||||
return;
|
||||
}
|
||||
alternateP = symbol_find_or_make (name);
|
||||
*input_line_pointer = c;
|
||||
|
||||
S_SET_NUMBER_AUXILIARY (symbolP, 1);
|
||||
SA_SET_SYM_TAGNDX (symbolP, alternateP);
|
||||
SA_SET_SYM_FSIZE (symbolP, characteristics);
|
||||
}
|
||||
#else /* TE_PE */
|
||||
S_SET_STORAGE_CLASS (symbolP, C_WEAKEXT);
|
||||
#endif /* TE_PE */
|
||||
SA_SET_SYM_TAGNDX (symbolP, alternateP);
|
||||
#endif
|
||||
|
||||
if (c == ',')
|
||||
{
|
||||
@ -1214,14 +1271,67 @@ coff_frob_symbol (symp, punt)
|
||||
if (!block_stack)
|
||||
block_stack = stack_init (512, sizeof (symbolS*));
|
||||
|
||||
if (S_IS_WEAK (symp))
|
||||
{
|
||||
#ifdef TE_PE
|
||||
S_SET_STORAGE_CLASS (symp, C_NT_WEAK);
|
||||
#else
|
||||
S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
|
||||
#endif
|
||||
if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK
|
||||
&& ! S_IS_WEAK (symp)
|
||||
&& weak_is_altname (S_GET_NAME (symp)))
|
||||
{
|
||||
/* This is a weak alternate symbol. All processing of
|
||||
PECOFFweak symbols is done here, through the alternate. */
|
||||
symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp)));
|
||||
|
||||
assert (weakp);
|
||||
assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
|
||||
|
||||
if (symbol_equated_p (weakp))
|
||||
{
|
||||
/* The weak symbol has an alternate specified; symp is unneeded. */
|
||||
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
||||
SA_SET_SYM_TAGNDX (weakp,
|
||||
symbol_get_value_expression (weakp)->X_add_symbol);
|
||||
|
||||
S_CLEAR_EXTERNAL (symp);
|
||||
*punt = 1;
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* The weak symbol has been assigned an alternate value.
|
||||
Copy this value to symp, and set symp as weakp's alternate. */
|
||||
if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK)
|
||||
{
|
||||
S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp));
|
||||
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
|
||||
}
|
||||
|
||||
if (S_IS_DEFINED (weakp))
|
||||
{
|
||||
/* This is a defined weak symbol. Copy value information
|
||||
from the weak symbol itself to the alternate symbol. */
|
||||
symbol_set_value_expression (symp,
|
||||
symbol_get_value_expression (weakp));
|
||||
symbol_set_frag (symp, symbol_get_frag (weakp));
|
||||
S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp));
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This is an undefined weak symbol.
|
||||
Define the alternate symbol to zero. */
|
||||
S_SET_VALUE (symp, 0);
|
||||
S_SET_SEGMENT (symp, absolute_section);
|
||||
}
|
||||
|
||||
S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp)));
|
||||
S_SET_STORAGE_CLASS (symp, C_EXT);
|
||||
|
||||
S_SET_VALUE (weakp, 0);
|
||||
S_SET_SEGMENT (weakp, undefined_section);
|
||||
}
|
||||
}
|
||||
#else /* TE_PE */
|
||||
if (S_IS_WEAK (symp))
|
||||
S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
|
||||
#endif /* TE_PE */
|
||||
|
||||
if (!S_IS_DEFINED (symp)
|
||||
&& !S_IS_WEAK (symp)
|
||||
@ -1722,10 +1832,6 @@ symbol_dump ()
|
||||
#include "libbfd.h"
|
||||
#include "libcoff.h"
|
||||
|
||||
#ifdef TE_PE
|
||||
#include "coff/pe.h"
|
||||
#endif
|
||||
|
||||
/* The NOP_OPCODE is for the alignment fill value. Fill with nop so
|
||||
that we can stick sections together without causing trouble. */
|
||||
#ifndef NOP_OPCODE
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* coff object file format
|
||||
Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
||||
1999, 2000, 2002, 2003
|
||||
1999, 2000, 2002, 2003, 2004
|
||||
Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GAS.
|
||||
@ -180,14 +180,19 @@
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef TE_PE
|
||||
/* PE weak symbols need USE_UNIQUE. */
|
||||
#define USE_UNIQUE 1
|
||||
#endif
|
||||
|
||||
/* Targets may also set this. Also, if BFD_ASSEMBLER is defined, this
|
||||
will already have been defined. */
|
||||
#undef SYMBOLS_NEED_BACKPOINTERS
|
||||
#undef SYMBOLS_NEED_BACKPOINTERS
|
||||
#define SYMBOLS_NEED_BACKPOINTERS 1
|
||||
|
||||
#ifndef OBJ_COFF_MAX_AUXENTRIES
|
||||
#define OBJ_COFF_MAX_AUXENTRIES 1
|
||||
#endif /* OBJ_COFF_MAX_AUXENTRIES */
|
||||
#endif
|
||||
|
||||
extern void coff_obj_symbol_new_hook PARAMS ((symbolS *));
|
||||
#define obj_symbol_new_hook coff_obj_symbol_new_hook
|
||||
|
||||
@ -4801,9 +4801,13 @@ md_apply_fix3 (fixP, valP, seg)
|
||||
}
|
||||
#endif
|
||||
#if defined (OBJ_COFF) && defined (TE_PE)
|
||||
/* For some reason, the PE format does not store a section
|
||||
address offset for a PC relative symbol. */
|
||||
if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
|
||||
/* For some reason, the PE format does not store a
|
||||
section address offset for a PC relative symbol. */
|
||||
if (S_GET_SEGMENT (fixP->fx_addsy) != seg
|
||||
#if defined(BFD_ASSEMBLER) || defined(S_IS_WEAK)
|
||||
|| S_IS_WEAK (fixP->fx_addsy)
|
||||
#endif
|
||||
)
|
||||
value += md_pcrel_from (fixP);
|
||||
#endif
|
||||
}
|
||||
@ -5378,11 +5382,6 @@ tc_gen_reloc (section, fixp)
|
||||
|
||||
rel->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
||||
|
||||
#ifdef TE_PE
|
||||
if (S_IS_WEAK (fixp->fx_addsy))
|
||||
rel->addend = rel->address - (*rel->sym_ptr_ptr)->value + 4;
|
||||
else
|
||||
#endif
|
||||
if (!use_rela_relocations)
|
||||
{
|
||||
/* HACK: Since i386 ELF uses Rel instead of Rela, encode the
|
||||
|
||||
@ -5872,24 +5872,13 @@ parent name of @code{0} is treated as refering the @code{*ABS*} section.
|
||||
This directive sets the weak attribute on the comma separated list of symbol
|
||||
@code{names}. If the symbols do not already exist, they will be created.
|
||||
|
||||
Weak symbols are supported in COFF as a GNU extension. This directive
|
||||
sets the weak attribute on the comma separated list of symbol
|
||||
On COFF targets other than PE, weak symbols are a GNU extension. This
|
||||
directive sets the weak attribute on the comma separated list of symbol
|
||||
@code{names}. If the symbols do not already exist, they will be created.
|
||||
|
||||
@smallexample
|
||||
@code{.weak @var{name} [ < = | == > @var{alternate}] [, ...]}
|
||||
@end smallexample
|
||||
|
||||
On the PE target, weak aliases are supported natively. Weak aliases
|
||||
(usually called "weak externals" in PE) are created when an alternate
|
||||
name is specified. When a weak symbol is linked and the symbol is not
|
||||
defined, the weak symbol becomes an alias for the alternate symbol. If
|
||||
one equal sign is used, the linker searches for defined symbols within
|
||||
other objects and libraries. This is the usual mode, historically
|
||||
called "lazy externals." Otherwise, when two equal signs are used,
|
||||
the linker searches for defined symbols only within other objects.
|
||||
|
||||
Non-alias weak symbols are supported on PE as a GNU extension.
|
||||
On the PE target, weak symbols are supported natively as weak aliases.
|
||||
When a weak symbol is created that is not an alias, GAS creates an
|
||||
alternate symbol to hold the default value.
|
||||
|
||||
@node Word
|
||||
@section @code{.word @var{expressions}}
|
||||
|
||||
@ -59,6 +59,11 @@ symbolS abs_symbol;
|
||||
#define LOCAL_LABEL_CHAR '\002'
|
||||
|
||||
struct obstack notes;
|
||||
#ifdef USE_UNIQUE
|
||||
/* The name of an external symbol which is
|
||||
used to make weak PE symbol names unique. */
|
||||
const char * an_external_name;
|
||||
#endif
|
||||
|
||||
static char *save_symbol_name (const char *);
|
||||
static void fb_label_init (void);
|
||||
@ -989,7 +994,11 @@ resolve_symbol_value (symbolS *symp)
|
||||
relocation to detect this case, and convert the
|
||||
relocation to be against the symbol to which this symbol
|
||||
is equated. */
|
||||
if (! S_IS_DEFINED (add_symbol) || S_IS_COMMON (add_symbol))
|
||||
if (! S_IS_DEFINED (add_symbol)
|
||||
#if defined(BFD_ASSEMBLER) || defined(S_IS_WEAK)
|
||||
|| S_IS_WEAK (add_symbol)
|
||||
#endif
|
||||
|| S_IS_COMMON (add_symbol))
|
||||
{
|
||||
if (finalize_syms)
|
||||
{
|
||||
@ -1905,6 +1914,11 @@ S_SET_EXTERNAL (symbolS *s)
|
||||
}
|
||||
s->bsym->flags |= BSF_GLOBAL;
|
||||
s->bsym->flags &= ~(BSF_LOCAL | BSF_WEAK);
|
||||
|
||||
#ifdef USE_UNIQUE
|
||||
if (! an_external_name && S_GET_NAME(s)[0] != '.')
|
||||
an_external_name = S_GET_NAME (s);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
@ -1949,7 +1963,7 @@ S_SET_THREAD_LOCAL (symbolS *s)
|
||||
}
|
||||
|
||||
void
|
||||
S_SET_NAME (symbolS *s, char *name)
|
||||
S_SET_NAME (symbolS *s, const char *name)
|
||||
{
|
||||
if (LOCAL_SYMBOL_CHECK (s))
|
||||
{
|
||||
@ -2225,6 +2239,9 @@ symbol_equated_reloc_p (symbolS *s)
|
||||
resolve_symbol_value to flag expression syms that have been
|
||||
equated. */
|
||||
return (s->sy_value.X_op == O_symbol
|
||||
#if defined(BFD_ASSEMBLER) || defined(S_IS_WEAK)
|
||||
&& ! S_IS_WEAK (s)
|
||||
#endif
|
||||
&& ((s->sy_resolved && s->sy_value.X_op_symbol != NULL)
|
||||
|| ! S_IS_DEFINED (s)
|
||||
|| S_IS_COMMON (s)));
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* symbols.h -
|
||||
Copyright 1987, 1990, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001,
|
||||
2002, 2003 Free Software Foundation, Inc.
|
||||
2002, 2003, 2004 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GAS, the GNU Assembler.
|
||||
|
||||
@ -105,7 +105,7 @@ extern const char *S_GET_NAME (symbolS *);
|
||||
extern segT S_GET_SEGMENT (symbolS *);
|
||||
extern void S_SET_SEGMENT (symbolS *, segT);
|
||||
extern void S_SET_EXTERNAL (symbolS *);
|
||||
extern void S_SET_NAME (symbolS *, char *);
|
||||
extern void S_SET_NAME (symbolS *, const char *);
|
||||
extern void S_CLEAR_EXTERNAL (symbolS *);
|
||||
extern void S_SET_WEAK (symbolS *);
|
||||
extern void S_SET_THREAD_LOCAL (symbolS *);
|
||||
|
||||
8
gas/tc.h
8
gas/tc.h
@ -1,6 +1,6 @@
|
||||
/* tc.h - target cpu dependent
|
||||
|
||||
Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 2000, 2001, 2003
|
||||
Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 2000, 2001, 2003, 2004
|
||||
Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GAS, the GNU Assembler.
|
||||
@ -59,6 +59,12 @@ extern int md_short_jump_size;
|
||||
extern int md_long_jump_size;
|
||||
#endif
|
||||
|
||||
#ifdef USE_UNIQUE
|
||||
/* The name of an external symbol which is
|
||||
used to make weak PE symbol names unique. */
|
||||
extern const char * an_external_name;
|
||||
#endif
|
||||
|
||||
#ifndef md_create_long_jump
|
||||
void md_create_long_jump (char *, addressT, addressT, fragS *, symbolS *);
|
||||
#endif
|
||||
|
||||
@ -1,3 +1,9 @@
|
||||
2004-11-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
|
||||
|
||||
* pe.h (IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY): Define.
|
||||
(IMAGE_WEAK_EXTERN_SEARCH_LIBRARY): Same.
|
||||
(IMAGE_WEAK_EXTERN_SEARCH_ALIAS): Same.
|
||||
|
||||
2004-08-13 Mark Kettenis <kettenis@gnu.org>
|
||||
|
||||
* symconst.h (langMax): Fix typo in comment.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* pe.h - PE COFF header information
|
||||
|
||||
Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
|
||||
Copyright 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of BFD, the Binary File Descriptor library.
|
||||
|
||||
@ -310,4 +310,9 @@ typedef struct
|
||||
#define IMPORT_NAME_NOPREFIX 2
|
||||
#define IMPORT_NAME_UNDECORATE 3
|
||||
|
||||
/* Weak external characteristics. */
|
||||
#define IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1
|
||||
#define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY 2
|
||||
#define IMAGE_WEAK_EXTERN_SEARCH_ALIAS 3
|
||||
|
||||
#endif /* _PE_H */
|
||||
|
||||
@ -1,3 +1,11 @@
|
||||
2004-11-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
|
||||
|
||||
* testsuite/ld-scripts/weak.exp: Enable test on PE,
|
||||
XFAIL non-i386 PE.
|
||||
* testsuite/ld-undefined/weak-undef.exp: Enable test on PE,
|
||||
XFAIL non-i386 PE.
|
||||
* testsuite/lib/ld-lib.exp (is_pecoff_format): New.
|
||||
|
||||
2004-11-04 Daniel Jacobowitz <dan@debian.org>
|
||||
|
||||
* Makefile.am (ALL_EMULATIONS): Remove earmelf_oabi.o.
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
# Test weak symbols.
|
||||
# By Ian Lance Taylor, Cygnus Solutions.
|
||||
# Copyright 2001
|
||||
# Copyright 2001, 2004
|
||||
# Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; you can redistribute it and/or modify
|
||||
@ -19,12 +19,17 @@
|
||||
|
||||
set testname "weak symbols"
|
||||
|
||||
# This test only works for ELF targets. It ought to work for some
|
||||
# a.out targets, but it doesn't.
|
||||
if ![is_elf_format] {
|
||||
# This test only works for ELF targets.
|
||||
# It ought to work for some a.out targets, but it doesn't.
|
||||
if {! [is_elf_format] && ! [is_pecoff_format]} {
|
||||
unsupported $testname
|
||||
return
|
||||
}
|
||||
|
||||
# Weak symbols are broken for non-i386 PE targets.
|
||||
if {! [istarget i?86-*-*]} {
|
||||
setup_xfail *-*-pe*
|
||||
}
|
||||
|
||||
if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o]
|
||||
|| ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then {
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
# Test handling of weak undefined symbols
|
||||
# Copyright 2001
|
||||
# Copyright 2001, 2004
|
||||
# Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; you can redistribute it and/or modify
|
||||
@ -29,15 +29,23 @@ if { ![istarget *-*-sysv4*] \
|
||||
&& ![istarget *-*-linux*] \
|
||||
&& ![istarget *-*-irix5*] \
|
||||
&& ![istarget *-*-irix6*] \
|
||||
&& ![is_pecoff_format] \
|
||||
&& ![istarget *-*-solaris2*] } then {
|
||||
unsupported $testname
|
||||
return
|
||||
}
|
||||
|
||||
if { [istarget *-*-linux*aout*] \
|
||||
|| [istarget *-*-linux*oldld*] } {
|
||||
unsupported $testname
|
||||
return
|
||||
}
|
||||
|
||||
# Weak symbols are broken for non-i386 PE targets.
|
||||
if {! [istarget i?86-*-*]} {
|
||||
setup_xfail *-*-pe*
|
||||
}
|
||||
|
||||
if {! [ld_assemble $as $srcdir/$subdir/weak-undef.s tmpdir/weak-undef.o]} then {
|
||||
# It's OK if .weak doesn't work on this target.
|
||||
unresolved $testname
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
# Support routines for LD testsuite.
|
||||
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
|
||||
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
|
||||
# Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is free software; you can redistribute it and/or modify
|
||||
@ -416,6 +416,20 @@ proc is_elf64 { binary_file } {
|
||||
return 0
|
||||
}
|
||||
|
||||
#
|
||||
# is_pecoff_format
|
||||
# true if the object format is known to be PECOFF
|
||||
#
|
||||
proc is_pecoff_format {} {
|
||||
if { ![istarget *-*-mingw32*] \
|
||||
&& ![istarget *-*-cygwin*] \
|
||||
&& ![istarget *-*-pe*] } {
|
||||
return 0
|
||||
}
|
||||
|
||||
return 1
|
||||
}
|
||||
|
||||
#
|
||||
# simple_diff
|
||||
# compares two files line-by-line
|
||||
|
||||
Loading…
Reference in New Issue
Block a user