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2009-07-02 Tristan Gingold <gingold@adacore.com>

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* Makefile.am (OBJ_FORMATS): Add macho.
	(CPU_OBJ_VALID): Ditto.
	(OBJ_FORMAT_CFILES): Add config/obj-macho.c
	(OBJ_FORMAT_HFILES): Add config/obj-macho.h
	(obj-macho.o): New rule.
	* Makefile.in: Regenerated.
	* configure.tgt (generic_target): Add i386-*-darwin*.
	* config/tc-i386.h: Use i386_target_format for Mach-O.
	* config/tc-i386.c (i386_target_format): Define it for Mach-O.
	(i386_target_format): Add a case for bfd_target_mach_o_flavour.
	* config/obj-macho.h: New file.
	* config/obj-macho.c: New file.
This commit is contained in:
Tristan Gingold 2009-07-02 08:09:35 +00:00
parent 16fb2c8c42
commit e57f8c655c
8 changed files with 138 additions and 4 deletions
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15
gas/ChangeLog
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@ -1,3 +1,18 @@
2009-07-02 Tristan Gingold <gingold@adacore.com>
* Makefile.am (OBJ_FORMATS): Add macho.
(CPU_OBJ_VALID): Ditto.
(OBJ_FORMAT_CFILES): Add config/obj-macho.c
(OBJ_FORMAT_HFILES): Add config/obj-macho.h
(obj-macho.o): New rule.
* Makefile.in: Regenerated.
* configure.tgt (generic_target): Add i386-*-darwin*.
* config/tc-i386.h: Use i386_target_format for Mach-O.
* config/tc-i386.c (i386_target_format): Define it for Mach-O.
(i386_target_format): Add a case for bfd_target_mach_o_flavour.
* config/obj-macho.h: New file.
* config/obj-macho.c: New file.
2009-07-01 Nick Clifton <nickc@redhat.com>
PR 10168

11
gas/Makefile.am
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@ -109,7 +109,8 @@ OBJ_FORMATS = \
coff \
ecoff \
elf \
evax
evax \
macho
# This is an sh case which sets valid according to whether the CPU
# type in the shell variable c and the OS type in the shell variable o
@ -142,6 +143,10 @@ CPU_OBJ_VALID = \
case $$c in \
alpha) valid=yes ;; \
esac ;; \
macho) \
case $$c in \
i386) valid=yes ;; \
esac ;; \
vms) \
case $$c in \
vax) valid=yes ;; \
@ -368,6 +373,7 @@ OBJ_FORMAT_CFILES = \
config/obj-elf.c \
config/obj-evax.c \
config/obj-fdpicelf.c \
config/obj-macho.c \
config/obj-som.c
OBJ_FORMAT_HFILES = \
@ -377,6 +383,7 @@ OBJ_FORMAT_HFILES = \
config/obj-elf.h \
config/obj-evax.h \
config/obj-fdpicelf.h \
config/obj-macho.h \
config/obj-som.h
# Emulation header files in config
@ -594,6 +601,8 @@ obj-evax.o : $(srcdir)/config/obj-evax.c
$(COMPILE) -c $(srcdir)/config/obj-evax.c
obj-fdpicelf.o : $(srcdir)/config/obj-fdpicelf.c
$(COMPILE) -c $(srcdir)/config/obj-fdpicelf.c
obj-macho.o : $(srcdir)/config/obj-macho.c
$(COMPILE) -c $(srcdir)/config/obj-macho.c
obj-multi.o : $(srcdir)/config/obj-multi.c
$(COMPILE) -c $(srcdir)/config/obj-multi.c
obj-som.o : $(srcdir)/config/obj-som.c

11
gas/Makefile.in
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@ -372,7 +372,8 @@ OBJ_FORMATS = \
coff \
ecoff \
elf \
evax
evax \
macho
# This is an sh case which sets valid according to whether the CPU
@ -405,6 +406,10 @@ CPU_OBJ_VALID = \
case $$c in \
alpha) valid=yes ;; \
esac ;; \
macho) \
case $$c in \
i386) valid=yes ;; \
esac ;; \
vms) \
case $$c in \
vax) valid=yes ;; \
@ -629,6 +634,7 @@ OBJ_FORMAT_CFILES = \
config/obj-elf.c \
config/obj-evax.c \
config/obj-fdpicelf.c \
config/obj-macho.c \
config/obj-som.c
OBJ_FORMAT_HFILES = \
@ -638,6 +644,7 @@ OBJ_FORMAT_HFILES = \
config/obj-elf.h \
config/obj-evax.h \
config/obj-fdpicelf.h \
config/obj-macho.h \
config/obj-som.h
@ -4680,6 +4687,8 @@ obj-evax.o : $(srcdir)/config/obj-evax.c
$(COMPILE) -c $(srcdir)/config/obj-evax.c
obj-fdpicelf.o : $(srcdir)/config/obj-fdpicelf.c
$(COMPILE) -c $(srcdir)/config/obj-fdpicelf.c
obj-macho.o : $(srcdir)/config/obj-macho.c
$(COMPILE) -c $(srcdir)/config/obj-macho.c
obj-multi.o : $(srcdir)/config/obj-multi.c
$(COMPILE) -c $(srcdir)/config/obj-multi.c
obj-som.o : $(srcdir)/config/obj-som.c

57
gas/config/obj-macho.c Normal file
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@ -0,0 +1,57 @@
/* Mach-O object file format
Copyright 2009 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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 3,
or (at your option) any later version.
GAS 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 GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#define OBJ_HEADER "obj-macho.h"
#include "as.h"
#include "mach-o.h"
static void
obj_mach_o_weak (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int c;
symbolS *symbolP;
do
{
/* Get symbol name. */
name = input_line_pointer;
c = get_symbol_end ();
symbolP = symbol_find_or_make (name);
S_SET_WEAK (symbolP);
*input_line_pointer = c;
SKIP_WHITESPACE ();
if (c != ',')
break;
input_line_pointer++;
SKIP_WHITESPACE ();
}
while (*input_line_pointer != '\n');
demand_empty_rest_of_line ();
}
const pseudo_typeS mach_o_pseudo_table[] =
{
{"weak", obj_mach_o_weak, 0},
{NULL, NULL, 0}
};

39
gas/config/obj-macho.h Normal file
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@ -0,0 +1,39 @@
/* Mach-O object file format for gas, the assembler.
Copyright 2009 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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 3,
or (at your option) any later version.
GAS 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 GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* Tag to validate Mach-O object file format processing */
#define OBJ_MACH_O 1
#include "targ-cpu.h"
#define OUTPUT_FLAVOR bfd_target_mach_o_flavour
extern const pseudo_typeS mach_o_pseudo_table[];
#ifndef obj_pop_insert
#define obj_pop_insert() pop_insert (mach_o_pseudo_table)
#endif
#define obj_sec_sym_ok_for_reloc(SEC) 1
#define obj_read_begin_hook() {;}
#define obj_symbol_new_hook(s) {;}
#define EMIT_SECTION_SYMBOLS 0

6
gas/config/tc-i386.c
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@ -7881,7 +7881,7 @@ md_show_usage (stream)
#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \
|| defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \
|| defined (TE_PE) || defined (TE_PEP))
|| defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O))
/* Pick the target format to use. */
@ -7960,6 +7960,10 @@ i386_target_format (void)
}
return flag_code == CODE_64BIT ? ELF_TARGET_FORMAT64 : ELF_TARGET_FORMAT;
}
#endif
#if defined (OBJ_MACH_O)
case bfd_target_mach_o_flavour:
return flag_code == CODE_64BIT ? "mach-o-x86-64" : "mach-o-i386";
#endif
default:
abort ();

2
gas/config/tc-i386.h
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@ -72,7 +72,7 @@ extern unsigned long i386_mach (void);
#if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \
|| defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \
|| defined (TE_PE) || defined (TE_PEP))
|| defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O))
extern const char *i386_target_format (void);
#define TARGET_FORMAT i386_target_format ()
#else

1
gas/configure.tgt
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@ -233,6 +233,7 @@ case ${generic_target} in
i386-*-*nt*) fmt=coff em=pe ;;
i386-*-chaos) fmt=elf ;;
i386-*-rdos*) fmt=elf ;;
i386-*-darwin*) fmt=macho ;;
i860-*-*) fmt=elf endian=little ;;