2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ Revert
+ 2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ * elf.c (_bfd_elf_map_sections_to_segments): Don't put
+ executable sections into the same segment with other
+ read only sections if --sep-code.
+ * elf32-bfin.c (elf32_bfin_code_in_l1): New variable.
+ (elf32_bfin_data_in_l1): New variable.
+ (elf32_bfin_final_write_processing): New.
+ (elf32_bfin_special_sections[]): New.
+ (elf_backend_final_write_processing): Define.
+ (elf_backend_special_sections): Define.
+
+2008-07-12 Jie Zhang <jie.zhang@analog.com>
+
* elf.c (_bfd_elf_map_sections_to_segments): Don't put
executable sections into the same segment with other
read only sections if --sep-code.
asection **hdrpp;
bfd_boolean phdr_in_segment = TRUE;
bfd_boolean writable;
- bfd_boolean executable;
int tls_count = 0;
asection *first_tls = NULL;
asection *dynsec, *eh_frame_hdr;
phdr_index = 0;
maxpagesize = bed->maxpagesize;
writable = FALSE;
- executable = FALSE;
dynsec = bfd_get_section_by_name (abfd, ".dynamic");
if (dynsec != NULL
&& (dynsec->flags & SEC_LOAD) == 0)
ends precisely on a page boundary. */
new_segment = TRUE;
}
- else if (info->sep_code
- && ((! executable && (hdr->flags & SEC_CODE) != 0)
- || (executable && (hdr->flags & SEC_CODE) == 0)))
- {
- /* We don't want to put a executable section in a non-executable
- segment. */
- new_segment = TRUE;
- }
else
{
/* Otherwise, we can use the same segment. */
{
if ((hdr->flags & SEC_READONLY) == 0)
writable = TRUE;
- if ((hdr->flags & SEC_CODE) != 0)
- executable = TRUE;
last_hdr = hdr;
/* .tbss sections effectively have zero size. */
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD))
else
writable = FALSE;
- if ((hdr->flags & SEC_CODE) != 0)
- executable = TRUE;
- else
- executable = FALSE;
-
last_hdr = hdr;
/* .tbss sections effectively have zero size. */
if ((hdr->flags & (SEC_THREAD_LOCAL | SEC_LOAD)) != SEC_THREAD_LOCAL)
return (reloc_howto_type *) NULL;
}
-/* Set by ld emulation if --code-in-l1. */
-bfd_boolean elf32_bfin_code_in_l1 = 0;
-
-/* Set by ld emulation if --data-in-l1. */
-bfd_boolean elf32_bfin_data_in_l1 = 0;
-
-static void
-elf32_bfin_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
-{
- if (elf32_bfin_code_in_l1)
- elf_elfheader (abfd)->e_flags |= EF_BFIN_CODE_IN_L1;
- if (elf32_bfin_data_in_l1)
- elf_elfheader (abfd)->e_flags |= EF_BFIN_DATA_IN_L1;
-}
-
/* Return TRUE if the name is a local label.
bfin local labels begin with L$. */
static bfd_boolean
free (internal_relocs);
return FALSE;
}
-
-struct bfd_elf_special_section const elf32_bfin_special_sections[] =
-{
- { ".l1.text", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
- { ".l1.data", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
-};
-
\f
#define TARGET_LITTLE_SYM bfd_elf32_bfin_vec
#define TARGET_LITTLE_NAME "elf32-bfin"
elf32_bfin_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data \
elf32_bfin_print_private_bfd_data
-#define elf_backend_final_write_processing \
- elf32_bfin_final_write_processing
#define elf_backend_reloc_type_class elf32_bfin_reloc_type_class
#define elf_backend_can_gc_sections 1
-#define elf_backend_special_sections elf32_bfin_special_sections
#define elf_backend_can_refcount 1
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 1
2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ Revert
+ 2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ * readelf.c (get_machine_flags): Deal with Blackfin specific
+ flags.
+
+2008-07-12 Jie Zhang <jie.zhang@analog.com>
+
* readelf.c (get_machine_flags): Deal with Blackfin specific
flags.
decode_ARM_machine_flags (e_flags, buf);
break;
- case EM_BLACKFIN:
- if (e_flags & EF_BFIN_PIC)
- strcat (buf, ", PIC");
-
- if (e_flags & EF_BFIN_FDPIC)
- strcat (buf, ", FDPIC");
-
- if (e_flags & EF_BFIN_CODE_IN_L1)
- strcat (buf, ", code in L1");
-
- if (e_flags & EF_BFIN_DATA_IN_L1)
- strcat (buf, ", data in L1");
-
- break;
-
case EM_CYGNUS_FRV:
switch (e_flags & EF_FRV_CPU_MASK)
{
2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ Revert
+ 2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ * bfdlink.h (struct bfd_link_info): Add sep_code member
+ variable.
+ * elf/bfin.h (EF_BFIN_CODE_IN_L1): Define.
+ (EF_BFIN_DATA_IN_L1): Define.
+
+2008-07-12 Jie Zhang <jie.zhang@analog.com>
+
* bfdlink.h (struct bfd_link_info): Add sep_code member
variable.
* elf/bfin.h (EF_BFIN_CODE_IN_L1): Define.
/* Non-NULL if .note.gnu.build-id section should be created. */
char *emit_note_gnu_build_id;
- /* TRUE if putting code into separate segment. */
- unsigned int sep_code: 1;
-
/* What to do with unresolved symbols in an object file.
When producing executables the default is GENERATE_ERROR.
When producing shared libraries the default is IGNORE. The
#define EF_BFIN_PIC 0x00000001 /* -fpic */
#define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */
-#define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */
-#define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */
-
#define EF_BFIN_PIC_FLAGS (EF_BFIN_PIC | EF_BFIN_FDPIC)
#endif /* _ELF_BFIN_H */
2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ Revert
+ 2008-07-12 Jie Zhang <jie.zhang@analog.com>
+ * Makefile.am (eelf32bfin.c): Depend on bfin.em.
+ (eelf32bfinfd.c): Likewise.
+ * Makefile.in: Regenerate.
+ * gen-doc.texi: Set Blackfin.
+ * ld.texinfo: Document --sep-code and Blackfin specific
+ options.
+ * ldmain.c (main): Initialize link_info.sep_code.
+ * lexsup.c (enum option_values): Add OPTION_SEP_CODE.
+ (ld_options[]): Add --sep-code.
+ (parse_args): Deal with --sep-code.
+ * emulparams/bfin.sh (EXTRA_EM_FILE): Define.
+ * emulparams/elf32bfinfd.sh (OTHER_SECTIONS): Define.
+ * emultempl/bfin.em: New file.
+
+2008-07-12 Jie Zhang <jie.zhang@analog.com>
+
* Makefile.am (eelf32bfin.c): Depend on bfin.em.
(eelf32bfinfd.c): Likewise.
* Makefile.in: Regenerate.
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/delta68.sc ${GEN_DEPENDS}
${GENSCRIPTS} delta68 "$(tdir_delta68)"
eelf32bfin.c: $(srcdir)/emulparams/bfin.sh \
- $(ELF_DEPS) $(srcdir)/emultempl/bfin.em \
+ $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bfin "$(tdir_elf32bfin)" bfin
eelf32bfinfd.c: $(srcdir)/emulparams/elf32bfinfd.sh $(srcdir)/emulparams/bfin.sh \
- $(ELF_DEPS) $(srcdir)/emultempl/bfin.em \
+ $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bfinfd "$(tdir_elf32bfinfd)" elf32bfinfd
eelf32_dlx.c: $(srcdir)/emulparams/elf32_dlx.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/delta68.sc ${GEN_DEPENDS}
${GENSCRIPTS} delta68 "$(tdir_delta68)"
eelf32bfin.c: $(srcdir)/emulparams/bfin.sh \
- $(ELF_DEPS) $(srcdir)/emultempl/bfin.em \
+ $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bfin "$(tdir_elf32bfin)" bfin
eelf32bfinfd.c: $(srcdir)/emulparams/elf32bfinfd.sh $(srcdir)/emulparams/bfin.sh \
- $(ELF_DEPS) $(srcdir)/emultempl/bfin.em \
+ $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bfinfd "$(tdir_elf32bfinfd)" elf32bfinfd
eelf32_dlx.c: $(srcdir)/emulparams/elf32_dlx.sh \
GENERATE_SHLIB_SCRIPT=yes
EMBEDDED=yes
USER_LABEL_PREFIX=_
-EXTRA_EM_FILE=bfin
${RELOCATING+__ROFIXUP_END__ = .;}
}
"
-# 0xff700000, 0xff800000, 0xff900000 and 0xffa00000 are also used in
-# Dynamic linker and linux kernel. They need to be keep synchronized.
-OTHER_SECTIONS="
- .l1.data 0xff700000 :
- {
- *(.l1.data)
- }
- .l1.data.A 0xff800000 :
- {
- *(.l1.data.A)
- }
- .l1.data.B 0xff900000 :
- {
- *(.l1.data.B)
- }
- .l1.text 0xffa00000 :
- {
- *(.l1.text)
- }
-"
-EXTRA_EM_FILE=bfin
+++ /dev/null
-# This shell script emits a C file. -*- C -*-
-# Copyright 2006 Free Software Foundation, Inc.
-#
-# This file is part of GLD, the Gnu Linker.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
-#
-
-# This file is sourced from elf32.em, and defines extra bfin-elf
-# specific routines.
-#
-cat >>e${EMULATION_NAME}.c <<EOF
-
-#include "elf-bfd.h"
-
-/* Whether to put code in Blackfin L1 SRAM. */
-extern bfd_boolean elf32_bfin_code_in_l1;
-
-/* Whether to put (writable) data in Blackfin L1 SRAM. */
-extern bfd_boolean elf32_bfin_data_in_l1;
-
-EOF
-
-
-# Define some shell vars to insert bits of code into the standard elf
-# parse_args and list_options functions.
-#
-PARSE_AND_LIST_PROLOGUE='
-#define OPTION_CODE_IN_L1 300
-#define OPTION_DATA_IN_L1 301
-'
-
-PARSE_AND_LIST_LONGOPTS='
- { "code-in-l1", no_argument, NULL, OPTION_CODE_IN_L1 },
- { "data-in-l1", no_argument, NULL, OPTION_DATA_IN_L1 },
-'
-
-PARSE_AND_LIST_OPTIONS='
- fprintf (file, _("\
- --code-in-l1 Put code in l1.\n\
- --data-in-l1 Put data in l1.\n"
- ));
-'
-
-PARSE_AND_LIST_ARGS_CASES='
- case OPTION_CODE_IN_L1:
- elf32_bfin_code_in_l1 = TRUE;
- break;
- case OPTION_DATA_IN_L1:
- elf32_bfin_data_in_l1 = TRUE;
- break;
-'
@c 2. Specific target machines
@set ARM
-@set Blackfin
@set H8300
@set HPPA
@set I960
@set UsesEnvVars
@set GENERIC
@set ARM
-@set Blackfin
@set H8300
@set HPPA
@set I960
@ifset ARM
* ARM:: ld and the ARM family
@end ifset
-@ifset Blackfin
-* Blackfin:: ld and the Blackfin family
-@end ifset
@ifset HPPA
* HPPA ELF32:: ld and HPPA 32-bit ELF
@end ifset
followed by a directory name, rather than a file name, it is treated as
the @option{-rpath} option.
-@kindex --sep-code
-@cindex input files, displaying
-@itemx --sep-code
-Put code in a seperate segment, not along with other read only data.
-
@kindex -s
@kindex --strip-all
@cindex strip all symbols
@ifset ARM
* ARM:: @command{ld} and the ARM family
@end ifset
-@ifset Blackfin
-* Blackfin:: @command{ld} and the Blackfin family
-@end ifset
@ifset HPPA
* HPPA ELF32:: @command{ld} and HPPA 32-bit ELF
@end ifset
@end ifclear
@end ifset
-@ifset Blackfin
-@ifclear GENERIC
-@raisesections
-@end ifclear
-
-@node Blackfin
-@section @command{ld} and the Blackfin family
-
-@cindex Put code in L1 instruction SRAM
-@kindex --code-in-l1
-The @samp{--code-in-l1} option adds a specific flag in the ELF header.
-This flag tells loader to put the code segments into Blackfin
-L1 instruction SRAM.
-
-@cindex Put code in L1 data SRAM
-@kindex --data-in-l1
-The @samp{--data-in-l1} option adds a specific flag in the ELF header.
-This flag tells loader to put the data segments into Blackfin L1 data SRAM.
-
-@ifclear GENERIC
-@lowersections
-@end ifclear
-@end ifset
-
@ifset HPPA
@ifclear GENERIC
@raisesections
link_info.pei386_auto_import = -1;
link_info.spare_dynamic_tags = 5;
link_info.path_separator = ':';
- link_info.sep_code = FALSE;
ldfile_add_arch ("");
emulation = get_emulation (argc, argv);
OPTION_RETAIN_SYMBOLS_FILE,
OPTION_RPATH,
OPTION_RPATH_LINK,
- OPTION_SEP_CODE,
OPTION_SHARED,
OPTION_SONAME,
OPTION_SORT_COMMON,
'\0', NULL, N_("Create a position independent executable"), ONE_DASH },
{ {"pic-executable", no_argument, NULL, OPTION_PIE},
'\0', NULL, NULL, TWO_DASHES },
- { {"sep-code", no_argument, NULL, OPTION_SEP_CODE},
- '\0', NULL, N_("Put code into separate segment"), TWO_DASHES },
{ {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
'\0', N_("[=ascending|descending]"),
N_("Sort common symbols by alignment [in specified order]"),
else
einfo (_("%P%F: -pie not supported\n"));
break;
- case OPTION_SEP_CODE:
- link_info.sep_code = TRUE;
- break;
case 'h': /* Used on Solaris. */
case OPTION_SONAME:
command_line.soname = optarg;
projects / platform / upstream / binutils.git / commitdiff