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config/binutils: add latest version 2.20

Browse Source 
Also add patchset vampirised from Gentoo.
This commit is contained in:
Yann E. MORIN" 2009-10-27 20:06:46 +01:00
parent 4ae5060ec8
commit ac17b542fe
15 changed files with 552 additions and 0 deletions
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5
config/binutils/binutils.in
View File

@ -8,6 +8,10 @@ choice
# Don't remove next line # Don't remove next line
# CT_INSERT_VERSION_BELOW # CT_INSERT_VERSION_BELOW
config BINUTILS_V_2_20
bool
prompt "2.20"
config BINUTILS_V_2_19_1 config BINUTILS_V_2_19_1
bool bool
prompt "2.19.1" prompt "2.19.1"
@ -34,6 +38,7 @@ config BINUTILS_VERSION
string string
# Don't remove next line # Don't remove next line
# CT_INSERT_VERSION_STRING_BELOW # CT_INSERT_VERSION_STRING_BELOW
default "2.20" if BINUTILS_V_2_20
default "2.19.1" if BINUTILS_V_2_19_1 default "2.19.1" if BINUTILS_V_2_19_1
default "2.19" if BINUTILS_V_2_19 default "2.19" if BINUTILS_V_2_19
default "2.18" if BINUTILS_V_2_18 default "2.18" if BINUTILS_V_2_18

16
patches/binutils/2.20/100-ppc64-pie.patch Normal file
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@ -0,0 +1,16 @@
--- bfd/elf64-ppc.c.jj 2004-09-27 16:46:06.000000000 -0400
+++ bfd/elf64-ppc.c 2004-10-04 09:09:50.000000000 -0400
@@ -9681,7 +9681,12 @@ ppc64_elf_relocate_section (bfd *output_
else if (!SYMBOL_REFERENCES_LOCAL (info, &h->elf)
&& !is_opd
&& r_type != R_PPC64_TOC)
- outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+ {
+ outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+ if (h->elf.dynindx == -1
+ && h->elf.root.type == bfd_link_hash_undefweak)
+ memset (&outrel, 0, sizeof outrel);
+ }
else
{
/* This symbol is local, or marked to become local,

13
patches/binutils/2.20/110-RPATH_ENVVAR-smack.patch Normal file
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@ -0,0 +1,13 @@
http://sourceware.org/ml/binutils/2007-07/msg00401.html
http://sourceware.org/bugzilla/show_bug.cgi?id=4970
--- configure
+++ configure
@@ -5601,6 +5601,7 @@ case "${host}" in
*-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
*) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
esac
+RPATH_ENVVAR="cant_touch_this_nah_nah_nah"
# On systems where the dynamic library environment variable is PATH,
if test "$RPATH_ENVVAR" = PATH; then

47
patches/binutils/2.20/120-sh-targets.patch Normal file
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@ -0,0 +1,47 @@
r10231 | lethal | 2005-05-02 09:58:00 -0400 (Mon, 02 May 2005) | 13 lines
Likewise, binutils has no idea about any of these new targets either, so we
fix that up too.. now we're able to actually build a real toolchain for
sh2a_nofpu- and other more ineptly named toolchains (and yes, there are more
inept targets than that one, really. Go look, I promise).
--- binutils-2.16.90.0.2-dist/configure
+++ binutils-2.16.90.0.2/configure
@@ -1207,7 +1207,7 @@
am33_2.0-*-linux*)
noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
- sh-*-linux*)
+ sh*-*-linux*)
noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
@@ -1495,7 +1495,7 @@
romp-*-*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
;;
- sh-*-* | sh64-*-*)
+ sh*-*-* | sh64-*-*)
case "${host}" in
i[3456789]86-*-vsta) ;; # don't add gprof back in
i[3456789]86-*-go32*) ;; # don't add gprof back in
--- binutils-2.16.90.0.2-dist/configure.ac
+++ binutils-2.16.90.0.2/configure.ac
@@ -424,7 +424,7 @@
am33_2.0-*-linux*)
noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
- sh-*-linux*)
+ sh*-*-linux*)
noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
@@ -712,7 +712,7 @@
romp-*-*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
;;
- sh-*-* | sh64-*-*)
+ sh*-*-* | sh64-*-*)
case "${host}" in
i[[3456789]]86-*-vsta) ;; # don't add gprof back in
i[[3456789]]86-*-go32*) ;; # don't add gprof back in

36
patches/binutils/2.20/130-ld-sysroot.patch Normal file
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@ -0,0 +1,36 @@
Signed-off-by: Sven Rebhan <odinshorse@googlemail.com>
Always try to prepend the sysroot prefix to absolute filenames first.
http://bugs.gentoo.org/275666
http://sourceware.org/bugzilla/show_bug.cgi?id=10340
--- ld/ldfile.c
+++ ld/ldfile.c
@@ -308,18 +308,24 @@
directory first. */
if (! entry->is_archive)
{
- if (entry->sysrooted && IS_ABSOLUTE_PATH (entry->filename))
+ /* For absolute pathnames, try to always open the file in the
+ sysroot first. If this fails, try to open the file at the
+ given location. */
+ entry->sysrooted = is_sysrooted_pathname(entry->filename, FALSE);
+ if (IS_ABSOLUTE_PATH (entry->filename) && ld_sysroot && ! entry->sysrooted)
{
char *name = concat (ld_sysroot, entry->filename,
(const char *) NULL);
if (ldfile_try_open_bfd (name, entry))
{
entry->filename = name;
+ entry->sysrooted = TRUE;
return TRUE;
}
free (name);
}
- else if (ldfile_try_open_bfd (entry->filename, entry))
+
+ if (ldfile_try_open_bfd (entry->filename, entry))
{
entry->sysrooted = IS_ABSOLUTE_PATH (entry->filename)
&& is_sysrooted_pathname (entry->filename, TRUE);

47
patches/binutils/2.20/140-check_ldrunpath_length.patch Normal file
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@ -0,0 +1,47 @@
#!/bin/sh -e
## 012_check_ldrunpath_length.dpatch by Chris Chimelis <chris@debian.org>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Only generate an RPATH entry if LD_RUN_PATH is not empty, for
## DP: cases where -rpath isn't specified. (#151024)
if [ $# -ne 1 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
[ -f debian/patches/00patch-opts ] && . debian/patches/00patch-opts
patch_opts="${patch_opts:--f --no-backup-if-mismatch}"
case "$1" in
-patch) patch $patch_opts -p1 < $0;;
-unpatch) patch $patch_opts -p1 -R < $0;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1;;
esac
exit 0
@DPATCH@
diff -urNad /home/james/debian/packages/binutils/new/binutils-2.15/ld/emultempl/elf32.em binutils-2.15/ld/emultempl/elf32.em
--- /home/james/debian/packages/binutils/new/binutils-2.15/ld/emultempl/elf32.em 2004-05-21 23:12:58.000000000 +0100
+++ binutils-2.15/ld/emultempl/elf32.em 2004-05-21 23:12:59.000000000 +0100
@@ -692,6 +692,8 @@
&& command_line.rpath == NULL)
{
lib_path = (const char *) getenv ("LD_RUN_PATH");
+ if ((lib_path) && (strlen (lib_path) == 0))
+ lib_path = NULL;
if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
force))
break;
@@ -871,6 +873,8 @@
rpath = command_line.rpath;
if (rpath == NULL)
rpath = (const char *) getenv ("LD_RUN_PATH");
+ if ((rpath) && (strlen (rpath) == 0))
+ rpath = NULL;
if (! (bfd_elf_size_dynamic_sections
(output_bfd, command_line.soname, rpath,
command_line.filter_shlib,

238
patches/binutils/2.20/150-pt-pax-flags-20090909.patch Normal file
View File

@ -0,0 +1,238 @@
--- binutils-2.20/bfd/elf-bfd.h
+++ binutils-2.20/bfd/elf-bfd.h
@@ -1527,6 +1527,9 @@ struct elf_obj_tdata
/* Segment flags for the PT_GNU_STACK segment. */
unsigned int stack_flags;
+ /* Segment flags for the PT_PAX_FLAGS segment. */
+ unsigned int pax_flags;
+
/* Symbol version definitions in external objects. */
Elf_Internal_Verdef *verdef;
--- binutils-2.20/bfd/elf.c
+++ binutils-2.20/bfd/elf.c
@@ -1081,6 +1081,7 @@ get_segment_type (unsigned int p_type)
case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break;
case PT_GNU_STACK: pt = "STACK"; break;
case PT_GNU_RELRO: pt = "RELRO"; break;
+ case PT_PAX_FLAGS: pt = "PAX_FLAGS"; break;
default: pt = NULL; break;
}
return pt;
@@ -2379,6 +2380,9 @@ bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int index)
case PT_GNU_RELRO:
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "relro");
+ case PT_PAX_FLAGS:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "pax_flags");
+
default:
/* Check for any processor-specific program segment types. */
bed = get_elf_backend_data (abfd);
@@ -3393,6 +3397,11 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info)
++segs;
}
+ {
+ /* We need a PT_PAX_FLAGS segment. */
+ ++segs;
+ }
+
for (s = abfd->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LOAD) != 0
@@ -3972,6 +3981,20 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info)
}
}
+ {
+ amt = sizeof (struct elf_segment_map);
+ m = bfd_zalloc (abfd, amt);
+ if (m == NULL)
+ goto error_return;
+ m->next = NULL;
+ m->p_type = PT_PAX_FLAGS;
+ m->p_flags = elf_tdata (abfd)->pax_flags;
+ m->p_flags_valid = 1;
+
+ *pm = m;
+ pm = &m->next;
+ }
+
free (sections);
elf_tdata (abfd)->segment_map = mfirst;
}
@@ -5176,7 +5199,8 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd)
6. PT_TLS segment includes only SHF_TLS sections.
7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments.
8. PT_DYNAMIC should not contain empty sections at the beginning
- (with the possible exception of .dynamic). */
+ (with the possible exception of .dynamic).
+ 9. PT_PAX_FLAGS segments do not include any sections. */
#define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \
((((segment->p_paddr \
? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \
@@ -5184,6 +5208,7 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd)
&& (section->flags & SEC_ALLOC) != 0) \
|| IS_NOTE (segment, section)) \
&& segment->p_type != PT_GNU_STACK \
+ && segment->p_type != PT_PAX_FLAGS \
&& (segment->p_type != PT_TLS \
|| (section->flags & SEC_THREAD_LOCAL)) \
&& (segment->p_type == PT_LOAD \
--- binutils-2.20/bfd/elflink.c
+++ binutils-2.20/bfd/elflink.c
@@ -5465,16 +5465,30 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
return TRUE;
bed = get_elf_backend_data (output_bfd);
+
+ elf_tdata (output_bfd)->pax_flags = PF_NORANDEXEC;
+ if (info->execheap)
+ elf_tdata (output_bfd)->pax_flags |= PF_NOMPROTECT;
+ else if (info->noexecheap)
+ elf_tdata (output_bfd)->pax_flags |= PF_MPROTECT;
+
if (info->execstack)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
+ {
+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
+ }
else if (info->noexecstack)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
+ {
+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W;
+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
+ }
else
{
bfd *inputobj;
asection *notesec = NULL;
int exec = 0;
+ elf_tdata (output_bfd)->pax_flags |= PF_NOEMUTRAMP;
for (inputobj = info->input_bfds;
inputobj;
inputobj = inputobj->link_next)
@@ -5487,7 +5501,11 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
if (s)
{
if (s->flags & SEC_CODE)
- exec = PF_X;
+ {
+ elf_tdata (output_bfd)->pax_flags &= ~PF_NOEMUTRAMP;
+ elf_tdata (output_bfd)->pax_flags |= PF_EMUTRAMP;
+ exec = PF_X;
+ }
notesec = s;
}
else if (bed->default_execstack)
--- binutils-2.20/binutils/readelf.c
+++ binutils-2.20/binutils/readelf.c
@@ -2556,6 +2556,7 @@ get_segment_type (unsigned long p_type)
return "GNU_EH_FRAME";
case PT_GNU_STACK: return "GNU_STACK";
case PT_GNU_RELRO: return "GNU_RELRO";
+ case PT_PAX_FLAGS: return "PAX_FLAGS";
default:
if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
--- binutils-2.20/include/bfdlink.h
+++ binutils-2.20/include/bfdlink.h
@@ -319,6 +319,14 @@ struct bfd_link_info
/* TRUE if PT_GNU_RELRO segment should be created. */
unsigned int relro: 1;
+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_NOMPROTECT
+ flags. */
+ unsigned int execheap: 1;
+
+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_MPROTECT
+ flags. */
+ unsigned int noexecheap: 1;
+
/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
unsigned int warn_shared_textrel: 1;
--- binutils-2.20/include/elf/common.h
+++ binutils-2.20/include/elf/common.h
@@ -422,6 +422,7 @@
#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
#define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
#define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) /* PaX flags */
/* Program segment permissions, in program header p_flags field. */
@@ -432,6 +433,21 @@
#define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
+/* Flags to control PaX behavior. */
+
+#define PF_PAGEEXEC (1 << 4) /* Enable PAGEEXEC */
+#define PF_NOPAGEEXEC (1 << 5) /* Disable PAGEEXEC */
+#define PF_SEGMEXEC (1 << 6) /* Enable SEGMEXEC */
+#define PF_NOSEGMEXEC (1 << 7) /* Disable SEGMEXEC */
+#define PF_MPROTECT (1 << 8) /* Enable MPROTECT */
+#define PF_NOMPROTECT (1 << 9) /* Disable MPROTECT */
+#define PF_RANDEXEC (1 << 10) /* Enable RANDEXEC */
+#define PF_NORANDEXEC (1 << 11) /* Disable RANDEXEC */
+#define PF_EMUTRAMP (1 << 12) /* Enable EMUTRAMP */
+#define PF_NOEMUTRAMP (1 << 13) /* Disable EMUTRAMP */
+#define PF_RANDMMAP (1 << 14) /* Enable RANDMMAP */
+#define PF_NORANDMMAP (1 << 15) /* Disable RANDMMAP */
+
/* Values for section header, sh_type field. */
#define SHT_NULL 0 /* Section header table entry unused */
--- binutils-2.20/ld/emultempl/elf32.em
+++ binutils-2.20/ld/emultempl/elf32.em
@@ -2159,6 +2159,16 @@ fragment <<EOF
link_info.noexecstack = TRUE;
link_info.execstack = FALSE;
}
+ else if (strcmp (optarg, "execheap") == 0)
+ {
+ link_info.execheap = TRUE;
+ link_info.noexecheap = FALSE;
+ }
+ else if (strcmp (optarg, "noexecheap") == 0)
+ {
+ link_info.noexecheap = TRUE;
+ link_info.execheap = FALSE;
+ }
EOF
if test -n "$COMMONPAGESIZE"; then
@@ -2237,6 +2247,8 @@ fragment <<EOF
fprintf (file, _("\
-z execstack Mark executable as requiring executable stack\n"));
fprintf (file, _("\
+ -z execheap Mark executable as requiring executable heap\n"));
+ fprintf (file, _("\
-z initfirst Mark DSO to be initialized first at runtime\n"));
fprintf (file, _("\
-z interpose Mark object to interpose all DSOs but executable\n"));
@@ -2260,6 +2272,8 @@ fragment <<EOF
-z nodump Mark DSO not available to dldump\n"));
fprintf (file, _("\
-z noexecstack Mark executable as not requiring executable stack\n"));
+ fprintf (file, _("\
+ -z noexecheap Mark executable as not requiring executable heap\n"));
EOF
if test -n "$COMMONPAGESIZE"; then
--- binutils-2.20/ld/ldgram.y
+++ binutils-2.20/ld/ldgram.y
@@ -1116,6 +1116,8 @@ phdr_type:
$$ = exp_intop (0x6474e550);
else if (strcmp (s, "PT_GNU_STACK") == 0)
$$ = exp_intop (0x6474e551);
+ else if (strcmp (s, "PT_PAX_FLAGS") == 0)
+ $$ = exp_intop (0x65041580);
else
{
einfo (_("\

16
patches/binutils/2.20/160-amd64-32bit-path.patch Normal file
View File

@ -0,0 +1,16 @@
--- binutils/ld/emulparams/elf_i386.sh
+++ binutils/ld/emulparams/elf_i386.sh
@@ -13,3 +13,13 @@
NO_SMALL_DATA=yes
SEPARATE_GOTPLT=12
IREL_IN_PLT=
+
+# In Gentoo, we install 32bit libs into /lib32 in an
+# ABI setup with amd64/x86
+case "$target" in
+ x86_64*-linux*)
+ case "$EMULATION_NAME" in
+ *i386*) LIBPATH_SUFFIX=32 ;;
+ esac
+ ;;
+esac

59
patches/binutils/2.20/170-warn-textrel.patch Normal file
View File

@ -0,0 +1,59 @@
textrels are bad for forcing copy-on-write (this affects everyone),
and for security/runtime code generation, this affects security ppl.
But in either case, it doesn't matter who needs textrels, it's
the very fact that they're needed at all.
2006-06-10 Ned Ludd <solar@gentoo.org>, Mike Frysinger <vapier@gentoo.org>
* bfd/elflink.c (bfd_elf_final_link): Check all objects for TEXTRELs.
* ld/ldmain.c (main): Change textrel warning default to true.
* ld/testsuite/lib/ld-lib.exp (default_ld_simple_link): Scrub TEXTREL
warnings from ld output.
--- bfd/elflink.c
+++ bfd/elflink.c
@@ -8652,14 +8652,12 @@
goto error_return;
/* Check for DT_TEXTREL (late, in case the backend removes it). */
- if (info->warn_shared_textrel && info->shared)
+ o = bfd_get_section_by_name (dynobj, ".dynamic");
+ if (info->warn_shared_textrel && o != NULL)
{
bfd_byte *dyncon, *dynconend;
/* Fix up .dynamic entries. */
- o = bfd_get_section_by_name (dynobj, ".dynamic");
- BFD_ASSERT (o != NULL);
-
dyncon = o->contents;
dynconend = o->contents + o->size;
for (; dyncon < dynconend; dyncon += bed->s->sizeof_dyn)
@@ -8702,7 +8702,7 @@ bfd_elf_final_link (bfd *abfd, struct bf
if (dyn.d_tag == DT_TEXTREL)
{
info->callbacks->einfo
- (_("%P: warning: creating a DT_TEXTREL in a shared object.\n"));
+ (_("%P: warning: creating a DT_TEXTREL in object.\n"));
break;
}
}
--- ld/ldmain.c
+++ ld/ldmain.c
@@ -282,2 +282,3 @@ main (int argc, char **argv)
link_info.spare_dynamic_tags = 5;
+ link_info.warn_shared_textrel = TRUE;
link_info.sharable_sections = FALSE;
--- ld/testsuite/lib/ld-lib.exp
+++ ld/testsuite/lib/ld-lib.exp
@@ -181,6 +181,10 @@ proc default_ld_simple_link { ld target
# symbol, since the default linker script might use ENTRY.
regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
+ # Gentoo tweak:
+ # We want to ignore TEXTREL warnings since we force enable them by default
+ regsub -all "^lt-ld-new: warning: creating a DT_TEXTREL in object\." $exec_output "\\1" exec_output
+
if [string match "" $exec_output] then {
return 1
} else {

25
patches/binutils/2.20/180-only-use-new-ld-dtags.patch.disabled Normal file
View File

@ -0,0 +1,25 @@
Don't generate RPATH if we're going to be generating RUNPATH.
need to ponder what ramifications this has before enabling it
--- binutils/bfd/elflink.c
+++ binutils/bfd/elflink.c
@@ -5382,11 +5382,15 @@
indx = _bfd_elf_strtab_add (elf_hash_table (info)->dynstr, rpath,
TRUE);
- if (indx == (bfd_size_type) -1
- || !_bfd_elf_add_dynamic_entry (info, DT_RPATH, indx))
+ if (indx == (bfd_size_type) -1)
return FALSE;
- if (info->new_dtags)
+ if (!info->new_dtags)
+ {
+ if (!_bfd_elf_add_dynamic_entry (info, DT_RPATH, indx))
+ return FALSE;
+ }
+ else
{
_bfd_elf_strtab_addref (elf_hash_table (info)->dynstr, indx);
if (!_bfd_elf_add_dynamic_entry (info, DT_RUNPATH, indx))

10
patches/binutils/2.20/190-use-new-ld-dtags.patch Normal file
View File

@ -0,0 +1,10 @@
--- binutils/ld/ldmain.c
+++ binutils/ld/ldmain.c
@@ -296,6 +296,7 @@ main (int argc, char **argv)
link_info.allow_undefined_version = TRUE;
link_info.keep_memory = TRUE;
+ link_info.new_dtags = TRUE;
link_info.combreloc = TRUE;
link_info.strip_discarded = TRUE;
link_info.callbacks = &link_callbacks;

16
patches/binutils/2.20/200-document-new-dtags-behaviour.patch Normal file
View File

@ -0,0 +1,16 @@
Index: binutils-2.19.51.0.5/ld/ld.texinfo
===================================================================
--- binutils-2.19.51.0.5.orig/ld/ld.texinfo
+++ binutils-2.19.51.0.5/ld/ld.texinfo
@@ -2036,8 +2036,9 @@ This linker can create the new dynamic t
systems may not understand them. If you specify
@option{--enable-new-dtags}, the dynamic tags will be created as needed.
If you specify @option{--disable-new-dtags}, no new dynamic tags will be
-created. By default, the new dynamic tags are not created. Note that
-those options are only available for ELF systems.
+created. On Gentoo, by default, the new dynamic tags are created (this
+differs from upstream behaviour). Note that those options are only
+available for ELF systems.
@kindex --hash-size=@var{number}
@item --hash-size=@var{number}

8
patches/binutils/2.20/210-generate-gnu-hash.patch Normal file
View File

@ -0,0 +1,8 @@
--- binutils/ld/ldmain.c
+++ binutils/ld/ldmain.c
@@ -273,2 +273,5 @@ main (int argc, char **argv)
link_info.emit_hash = TRUE;
+#ifndef __mips__
+ link_info.emit_gnu_hash = TRUE;
+#endif
link_info.callbacks = &link_callbacks;

6
patches/binutils/2.20/220-use-relro.patch Normal file
View File

@ -0,0 +1,6 @@
--- binutils/ld/ldmain.c
+++ binutils/ld/ldmain.c
@@ -293,2 +293,3 @@ main (int argc, char **argv)
link_info.combreloc = TRUE;
+ link_info.relro = TRUE;
link_info.strip_discarded = TRUE;

10
patches/binutils/2.20/230-libiberty-pic.patch Normal file
View File

@ -0,0 +1,10 @@
--- libiberty/Makefile.in.mps 2004-05-13 15:53:17.000000000 +0200
+++ libiberty/Makefile.in 2004-05-13 15:52:53.000000000 +0200
@@ -224,6 +224,7 @@ $(TARGETLIB): $(REQUIRED_OFILES) $(EXTRA
$(AR) $(AR_FLAGS) $(TARGETLIB) \
$(REQUIRED_OFILES) $(EXTRA_OFILES) $(LIBOBJS); \
$(RANLIB) $(TARGETLIB); \
+ cp $(TARGETLIB) ../ ; \
cd ..; \
else true; fi