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diff -rup binutils.orig/binutils/readelf.c binutils-2.30/binutils/readelf.c
--- binutils.orig/binutils/readelf.c 2018-04-26 15:14:17.220464639 +0100
+++ binutils-2.30/binutils/readelf.c 2018-04-26 15:14:31.927287474 +0100
@@ -12294,7 +12294,8 @@ is_32bit_abs_reloc (Filedata * filedata,
case EM_OR1K:
return reloc_type == 1; /* R_OR1K_32. */
case EM_PARISC:
- return (reloc_type == 1 /* R_PARISC_DIR32. */
+ return (reloc_type == 1 /* R_PARISC_DIR32. */
+ || reloc_type == 2 /* R_PARISC_DIR21L. */
|| reloc_type == 41); /* R_PARISC_SECREL32. */
case EM_PJ:
case EM_PJ_OLD:
Only in binutils-2.30/binutils: readelf.c.orig
diff -rup binutils.orig/binutils/testsuite/binutils-all/objcopy.exp binutils-2.30/binutils/testsuite/binutils-all/objcopy.exp
--- binutils.orig/binutils/testsuite/binutils-all/objcopy.exp 2018-04-26 15:14:17.215464699 +0100
+++ binutils-2.30/binutils/testsuite/binutils-all/objcopy.exp 2018-04-26 15:14:31.927287474 +0100
@@ -1062,6 +1062,7 @@ if [is_elf_format] {
run_dump_test "note-3-32"
run_dump_test "note-4-32"
}
+ run_dump_test "note-5"
}
run_dump_test "copy-2"
Only in binutils-2.30/binutils/testsuite/binutils-all: objcopy.exp.orig
diff -rup binutils.orig/gas/as.c binutils-2.30/gas/as.c
--- binutils.orig/gas/as.c 2018-04-26 15:14:17.646459507 +0100
+++ binutils-2.30/gas/as.c 2018-04-26 15:14:31.927287474 +0100
@@ -97,6 +97,7 @@ int verbose = 0;
#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
int flag_use_elf_stt_common = DEFAULT_GENERATE_ELF_STT_COMMON;
+bfd_boolean flag_generate_build_notes = DEFAULT_GENERATE_BUILD_NOTES;
#endif
/* Keep the output file. */
@@ -304,8 +305,19 @@ Options:\n\
generate ELF common symbols with STT_COMMON type\n"));
fprintf (stream, _("\
--sectname-subst enable section name substitution sequences\n"));
+
+ fprintf (stream, _("\
+ --generate-missing-build-notes=[no|yes] "));
+#if DEFAULT_GENERATE_BUILD_NOTES
+ fprintf (stream, _("(default: yes)\n"));
+#else
+ fprintf (stream, _("(default: no)\n"));
#endif
fprintf (stream, _("\
+ generate GNU Build notes if none are present in the input\n"));
+#endif /* OBJ_ELF */
+
+ fprintf (stream, _("\
-f skip whitespace and comment preprocessing\n"));
fprintf (stream, _("\
-g --gen-debug generate debugging information\n"));
@@ -470,6 +482,7 @@ parse_args (int * pargc, char *** pargv)
OPTION_NOEXECSTACK,
OPTION_SIZE_CHECK,
OPTION_ELF_STT_COMMON,
+ OPTION_ELF_BUILD_NOTES,
OPTION_SECTNAME_SUBST,
OPTION_ALTERNATE,
OPTION_AL,
@@ -508,6 +521,7 @@ parse_args (int * pargc, char *** pargv)
,{"size-check", required_argument, NULL, OPTION_SIZE_CHECK}
,{"elf-stt-common", required_argument, NULL, OPTION_ELF_STT_COMMON}
,{"sectname-subst", no_argument, NULL, OPTION_SECTNAME_SUBST}
+ ,{"generate-missing-build-notes", required_argument, NULL, OPTION_ELF_BUILD_NOTES}
#endif
,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF2}
@@ -900,7 +914,19 @@ This program has absolutely no warranty.
case OPTION_SECTNAME_SUBST:
flag_sectname_subst = 1;
break;
-#endif
+
+ case OPTION_ELF_BUILD_NOTES:
+ if (strcasecmp (optarg, "no") == 0)
+ flag_generate_build_notes = FALSE;
+ else if (strcasecmp (optarg, "yes") == 0)
+ flag_generate_build_notes = TRUE;
+ else
+ as_fatal (_("Invalid --generate-missing-build-notes option: `%s'"),
+ optarg);
+ break;
+
+#endif /* OBJ_ELF */
+
case 'Z':
flag_always_generate_output = 1;
break;
diff -rup binutils.orig/gas/as.h binutils-2.30/gas/as.h
--- binutils.orig/gas/as.h 2018-04-26 15:14:17.654459410 +0100
+++ binutils-2.30/gas/as.h 2018-04-26 15:14:31.927287474 +0100
@@ -585,6 +585,10 @@ COMMON int flag_allow_nonconst_size;
/* If we should generate ELF common symbols with the STT_COMMON type. */
extern int flag_use_elf_stt_common;
+/* TRUE iff GNU Build attribute notes should
+ be generated if none are in the input files. */
+extern bfd_boolean flag_generate_build_notes;
+
/* If section name substitution sequences should be honored */
COMMON int flag_sectname_subst;
#endif
Only in binutils-2.30/gas: as.h.orig
diff -rup binutils.orig/gas/config.in binutils-2.30/gas/config.in
--- binutils.orig/gas/config.in 2018-04-26 15:14:17.645459519 +0100
+++ binutils-2.30/gas/config.in 2018-04-26 15:14:31.927287474 +0100
@@ -39,6 +39,10 @@
/* Define if you want compressed debug sections by default. */
#undef DEFAULT_FLAG_COMPRESS_DEBUG
+/* Define to 1 if you want to generate GNU Build attribute notes by default,
+ if none are contained in the input. */
+#undef DEFAULT_GENERATE_BUILD_NOTES
+
/* Define to 1 if you want to generate ELF common symbols with the STT_COMMON
type by default. */
#undef DEFAULT_GENERATE_ELF_STT_COMMON
diff -rup binutils.orig/gas/configure binutils-2.30/gas/configure
--- binutils.orig/gas/configure 2018-04-26 15:14:17.645459519 +0100
+++ binutils-2.30/gas/configure 2018-04-26 15:14:31.928287462 +0100
@@ -771,6 +771,7 @@ enable_checking
enable_compressed_debug_sections
enable_x86_relax_relocations
enable_elf_stt_common
+enable_generate_build_notes
enable_werror
enable_build_warnings
with_cpu
@@ -1426,6 +1427,9 @@ Optional Features:
generate x86 relax relocations by default
--enable-elf-stt-common generate ELF common symbols with STT_COMMON type by
default
+ --enable-generate-build-notes
+ generate GNU Build notes if none are provided by the
+ input
--enable-werror treat compile warnings as errors
--enable-build-warnings enable build-time compiler warnings
--disable-nls do not use Native Language Support
@@ -11011,7 +11015,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10990 "configure"
+#line 10994 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11117,7 +11121,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11096 "configure"
+#line 11100 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11771,6 +11775,20 @@ if test "${enable_elf_stt_common+set}" =
esac
fi
+
+# Decide if the ELF assembler should default to generating
+# GNU Build notes if none are provided by the input.
+ac_default_generate_build_notes=0
+# Provide a configuration option to override the default.
+# Check whether --enable-generate_build_notes was given.
+if test "${enable_generate_build_notes+set}" = set; then :
+ enableval=$enable_generate_build_notes; case "${enableval}" in
+ yes) ac_default_generate_build_notes=1 ;;
+ no) ac_default_generate_build_notes=0 ;;
+esac
+fi
+
+
using_cgen=no
@@ -12713,6 +12731,12 @@ cat >>confdefs.h <<_ACEOF
_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_GENERATE_BUILD_NOTES $ac_default_generate_build_notes
+_ACEOF
+
+
if test x$ac_default_compressed_debug_sections = xyes ; then
$as_echo "#define DEFAULT_FLAG_COMPRESS_DEBUG 1" >>confdefs.h
diff -rup binutils.orig/gas/configure.ac binutils-2.30/gas/configure.ac
--- binutils.orig/gas/configure.ac 2018-04-26 15:14:17.645459519 +0100
+++ binutils-2.30/gas/configure.ac 2018-04-26 15:14:31.928287462 +0100
@@ -100,6 +100,20 @@ AC_ARG_ENABLE(elf_stt_common,
yes) ac_default_elf_stt_common=1 ;;
esac])dnl
+
+# Decide if the ELF assembler should default to generating
+# GNU Build notes if none are provided by the input.
+ac_default_generate_build_notes=0
+# Provide a configuration option to override the default.
+AC_ARG_ENABLE(generate_build_notes,
+ AS_HELP_STRING([--enable-generate-build-notes],
+ [generate GNU Build notes if none are provided by the input]),
+[case "${enableval}" in
+ yes) ac_default_generate_build_notes=1 ;;
+ no) ac_default_generate_build_notes=0 ;;
+esac])dnl
+
+
using_cgen=no
AM_BINUTILS_WARNINGS
@@ -610,6 +624,11 @@ AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_
[Define to 1 if you want to generate ELF common symbols with the
STT_COMMON type by default.])
+AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
+ $ac_default_generate_build_notes,
+ [Define to 1 if you want to generate GNU Build attribute notes
+ by default, if none are contained in the input.])
+
if test x$ac_default_compressed_debug_sections = xyes ; then
AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
fi
Only in binutils-2.30/gas: configure.ac.orig
Only in binutils-2.30/gas: configure.orig
diff -rup binutils.orig/gas/doc/as.texinfo binutils-2.30/gas/doc/as.texinfo
--- binutils.orig/gas/doc/as.texinfo 2018-04-26 15:14:17.665459278 +0100
+++ binutils-2.30/gas/doc/as.texinfo 2018-04-26 15:14:31.929287450 +0100
@@ -244,6 +244,7 @@ gcc(1), ld(1), and the Info entries for
[@b{-Z}] [@b{@@@var{FILE}}]
[@b{--sectname-subst}] [@b{--size-check=[error|warning]}]
[@b{--elf-stt-common=[no|yes]}]
+ [@b{--generate-missing-build-notes=[no|yes]}]
[@b{--target-help}] [@var{target-options}]
[@b{--}|@var{files} @dots{}]
@c
@@ -754,6 +755,14 @@ Issue an error or warning for invalid EL
These options control whether the ELF assembler should generate common
symbols with the @code{STT_COMMON} type. The default can be controlled
by a configure option @option{--enable-elf-stt-common}.
+
+@item --generate-missing-build-notes=yes
+@itemx --generate-missing-build-notes=no
+These options control whether the ELF assembler should generate GNU Build
+attribute notes if none are present in the input sources.
+The default can be controlled by the @option{--enable-generate-build-notes}
+configure option.
+
@end ifset
@item --help
Only in binutils-2.30/gas/doc: as.texinfo.orig
diff -rup binutils.orig/gas/NEWS binutils-2.30/gas/NEWS
--- binutils.orig/gas/NEWS 2018-04-26 15:14:17.646459507 +0100
+++ binutils-2.30/gas/NEWS 2018-04-26 15:15:32.276560482 +0100
@@ -1,5 +1,11 @@
-*- text -*-
+* Add --generate-missing-build-notes=[yes|no] option to create (or not) GNU
+ Build Attribute notes if none are present in the input sources. Add a
+ --enable-generate-build-notes=[yes|no] configure time option to set the
+ default behaviour. Set the default if the configure option is not used
+ to "no".
+
Changes in 2.30:
* Add support for loaction views in DWARF debug line information.
Only in binutils-2.30/gas: NEWS.orig
Only in binutils-2.30/gas: NEWS.rej
diff -rup binutils.orig/gas/symbols.c binutils-2.30/gas/symbols.c
--- binutils.orig/gas/symbols.c 2018-04-26 15:14:17.667459254 +0100
+++ binutils-2.30/gas/symbols.c 2018-04-26 15:14:31.929287450 +0100
@@ -108,6 +108,7 @@ save_symbol_name (const char *name)
size_t name_length;
char *ret;
+ gas_assert (name != NULL);
name_length = strlen (name) + 1; /* +1 for \0. */
obstack_grow (¬es, name, name_length);
ret = (char *) obstack_finish (¬es);
diff -rup binutils.orig/gas/write.c binutils-2.30/gas/write.c
--- binutils.orig/gas/write.c 2018-04-26 15:14:18.296451677 +0100
+++ binutils-2.30/gas/write.c 2018-04-26 15:14:31.929287450 +0100
@@ -1822,25 +1822,200 @@ create_obj_attrs_section (void)
const char *name;
size = bfd_elf_obj_attr_size (stdoutput);
- if (size)
+ if (size == 0)
+ return;
+
+ name = get_elf_backend_data (stdoutput)->obj_attrs_section;
+ if (!name)
+ name = ".gnu.attributes";
+ s = subseg_new (name, 0);
+ elf_section_type (s)
+ = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
+ bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
+ frag_now_fix ();
+ p = frag_more (size);
+ bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
+
+ subsegs_finish_section (s);
+ relax_segment (seg_info (s)->frchainP->frch_root, s, 0);
+ size_seg (stdoutput, s, NULL);
+}
+
+#include "struc-symbol.h"
+
+/* Create a relocation against an entry in a GNU Build attribute section. */
+
+static void
+create_note_reloc (segT sec,
+ symbolS * sym,
+ bfd_size_type offset,
+ int reloc_type,
+ bfd_vma addend,
+ char * note)
+{
+ struct reloc_list * reloc;
+
+ reloc = XNEW (struct reloc_list);
+
+ /* We create a .b type reloc as resolve_reloc_expr_symbols() has already been called. */
+ reloc->u.b.sec = sec;
+ reloc->u.b.s = sym->bsym;
+ reloc->u.b.r.sym_ptr_ptr = & reloc->u.b.s;
+ reloc->u.b.r.address = offset;
+ reloc->u.b.r.addend = addend;
+ reloc->u.b.r.howto = bfd_reloc_type_lookup (stdoutput, reloc_type);
+
+ if (reloc->u.b.r.howto == NULL)
{
- name = get_elf_backend_data (stdoutput)->obj_attrs_section;
- if (!name)
- name = ".gnu.attributes";
- s = subseg_new (name, 0);
- elf_section_type (s)
- = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
- bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
- frag_now_fix ();
- p = frag_more (size);
- bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
-
- subsegs_finish_section (s);
- relax_segment (seg_info (s)->frchainP->frch_root, s, 0);
- size_seg (stdoutput, s, NULL);
+ as_bad (_("unable to create reloc for build note"));
+ return;
+ }
+
+ reloc->file = N_("<gnu build note>");
+ reloc->line = 0;
+
+ reloc->next = reloc_list;
+ reloc_list = reloc;
+
+ /* For REL relocs, store the addend in the section. */
+ if (! sec->use_rela_p
+ /* The SH target is a special case that uses RELA relocs
+ but still stores the addend in the word being relocated. */
+ || strstr (bfd_get_target (stdoutput), "-sh") != NULL)
+ {
+ if (target_big_endian)
+ {
+ if (bfd_arch_bits_per_address (stdoutput) <= 32)
+ note[offset + 3] = addend;
+ else
+ note[offset + 7] = addend;
+ }
+ else
+ note[offset] = addend;
}
}
-#endif
+
+static void
+maybe_generate_build_notes (void)
+{
+ segT sec;
+ char * note;
+ offsetT note_size;
+ offsetT desc_size;
+ offsetT desc2_offset;
+ int desc_reloc;
+ symbolS * sym;
+
+ if (! flag_generate_build_notes
+ || bfd_get_section_by_name (stdoutput,
+ GNU_BUILD_ATTRS_SECTION_NAME) != NULL)
+ return;
+
+ /* Create a GNU Build Attribute section. */
+ sec = subseg_new (GNU_BUILD_ATTRS_SECTION_NAME, FALSE);
+ elf_section_type (sec) = SHT_NOTE;
+ bfd_set_section_flags (stdoutput, sec,
+ SEC_READONLY | SEC_HAS_CONTENTS | SEC_DATA);
+ bfd_set_section_alignment (stdoutput, sec, 2);
+
+ /* Create a version note. */
+ if (bfd_arch_bits_per_address (stdoutput) <= 32)
+ {
+ note_size = 28;
+ desc_size = 8; /* Two 4-byte offsets. */
+ desc2_offset = 24;
+
+ /* FIXME: The BFD backend for the CRX target does not support the
+ BFD_RELOC_32, even though it really should. Likewise for the
+ CR16 target. So we have special case code here... */
+ if (strstr (bfd_get_target (stdoutput), "-crx") != NULL)
+ desc_reloc = BFD_RELOC_CRX_NUM32;
+ else if (strstr (bfd_get_target (stdoutput), "-cr16") != NULL)
+ desc_reloc = BFD_RELOC_CR16_NUM32;
+ else
+ desc_reloc = BFD_RELOC_32;
+ }
+ else
+ {
+ note_size = 36;
+ desc_size = 16; /* Two 8-byte offsets. */
+ desc2_offset = 28;
+ /* FIXME: The BFD backend for the IA64 target does not support the
+ BFD_RELOC_64, even though it really should. The HPPA backend
+ has a similar issue, although it does not support BFD_RELOCs at
+ all! So we have special case code to handle these targets. */
+ if (strstr (bfd_get_target (stdoutput), "-ia64") != NULL)
+ desc_reloc = target_big_endian ? BFD_RELOC_IA64_DIR32MSB : BFD_RELOC_IA64_DIR32LSB;
+ else if (strstr (bfd_get_target (stdoutput), "-hppa") != NULL)
+ desc_reloc = 80; /* R_PARISC_DIR64. */
+ else
+ desc_reloc = BFD_RELOC_64;
+ }
+
+ frag_now_fix ();
+ note = frag_more (note_size);
+ memset (note, 0, note_size);
+
+ if (target_big_endian)
+ {
+ note[3] = 8; /* strlen (name) + 1. */
+ note[7] = desc_size; /* Two 8-byte offsets. */
+ note[10] = NT_GNU_BUILD_ATTRIBUTE_OPEN >> 8;
+ note[11] = NT_GNU_BUILD_ATTRIBUTE_OPEN & 0xff;
+ }
+ else
+ {
+ note[0] = 8; /* strlen (name) + 1. */
+ note[4] = desc_size; /* Two 8-byte offsets. */
+ note[8] = NT_GNU_BUILD_ATTRIBUTE_OPEN & 0xff;
+ note[9] = NT_GNU_BUILD_ATTRIBUTE_OPEN >> 8;
+ }
+
+ /* The a1 version number indicates that this note was
+ generated by the assembler and not the gcc annobin plugin. */
+ memcpy (note + 12, "GA$3a1", 8);
+
+ /* Find the first code section symbol. */
+ for (sym = symbol_rootP; sym != NULL; sym = sym->sy_next)
+ if (sym->bsym != NULL
+ && sym->bsym->flags & BSF_SECTION_SYM
+ && sym->bsym->section != NULL
+ && sym->bsym->section->flags & SEC_CODE)
+ {
+ /* Found one - now create a relocation against this symbol. */
+ create_note_reloc (sec, sym, 20, desc_reloc, 0, note);
+ break;
+ }
+
+ /* Find the last code section symbol. */
+ if (sym)
+ {
+ for (sym = symbol_lastP; sym != NULL; sym = sym->sy_previous)
+ if (sym->bsym != NULL
+ && sym->bsym->flags & BSF_SECTION_SYM
+ && sym->bsym->section != NULL
+ && sym->bsym->section->flags & SEC_CODE)
+ {
+ /* Create a relocation against the end of this symbol. */
+ create_note_reloc (sec, sym, desc2_offset, desc_reloc,
+ bfd_get_section_size (sym->bsym->section),
+ note);
+ break;
+ }
+ }
+ /* else - if we were unable to find any code section symbols then
+ probably there is no code in the output. So leaving the start
+ and end values as zero in the note is OK. */
+
+ /* FIXME: Maybe add a note recording the assembler command line and version ? */
+
+ /* Install the note(s) into the section. */
+ bfd_set_section_contents (stdoutput, sec, (bfd_byte *) note, 0, note_size);
+ subsegs_finish_section (sec);
+ relax_segment (seg_info (sec)->frchainP->frch_root, sec, 0);
+ size_seg (stdoutput, sec, NULL);
+}
+#endif /* OBJ_ELF */
/* Write the object file. */
@@ -2052,6 +2227,11 @@ write_object_file (void)
resolve_local_symbol_values ();
resolve_reloc_expr_symbols ();
+#ifdef OBJ_ELF
+ if (IS_ELF)
+ maybe_generate_build_notes ();
+#endif
+
PROGRESS (1);
#ifdef tc_frob_file_before_adjust
Only in binutils-2.30/gas: write.c.orig
Only in binutils-2.30: testsuite
--- /dev/null 2018-04-26 08:07:19.307057583 +0100
+++ binutils-2.30/binutils/testsuite/binutils-all/note-5.d 2018-04-26 15:17:06.318427614 +0100
@@ -0,0 +1,11 @@
+#PROG: objcopy
+#as: --generate-missing-build-notes=yes
+#readelf: --notes --wide
+#name: assembler generated build notes
+#source: note-5.s
+
+#...
+Displaying notes found in: .gnu.build.attributes
+[ ]+Owner[ ]+Data size[ ]+Description
+[ ]+GA\$<version>3a1[ ]+0x000000(08|10)[ ]+OPEN[ ]+Applies to region from 0 to 0x.. \(note_5.s\)
+#...
--- /dev/null 2018-04-26 08:07:19.307057583 +0100
+++ binutils-2.30/binutils/testsuite/binutils-all/note-5.s 2018-04-26 15:17:06.318427614 +0100
@@ -0,0 +1,14 @@
+ .text
+ .global note_5.s
+note_5.s:
+ .dc.l 2
+ .dc.l 4
+ .dc.l 6
+ .dc.l 8
+ .dc.l 8
+ .dc.l 8
+ .dc.l 8
+ .dc.l 8
+ .dc.l 8
+ .dc.l 8
+
\ No newline at end of file
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