Fix a potential buffer overrun when parsing a corrupt ELF file. (#1632912)
Add a .attach_to_group pseuo-op to assembler (for use by annobin). (#1630574) Stop the binutils from statically linking with libstdc++. (#1630550) Include gold testsuite results in test logs. Disable readelf's reporting of gaps in build notes. (#1623556)
This commit is contained in:
Nick Clifton
parent
ae9f9e49b7
commit
b25b0811ad
101
binutils-CVE-2018-17358.patch
Normal file
101
binutils-CVE-2018-17358.patch
Normal file
@ -0,0 +1,101 @@
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diff -rup binutils.orig/bfd/dwarf2.c binutils-2.30/bfd/dwarf2.c
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--- binutils.orig/bfd/dwarf2.c 2018-09-26 15:07:47.162863937 +0100
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+++ binutils-2.30/bfd/dwarf2.c 2018-09-26 15:08:50.868368183 +0100
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@@ -527,6 +527,7 @@ read_section (bfd * abfd,
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asection *msec;
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const char *section_name = sec->uncompressed_name;
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bfd_byte *contents = *section_buffer;
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+ bfd_size_type amt;
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/* The section may have already been read. */
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if (contents == NULL)
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@@ -549,7 +550,14 @@ read_section (bfd * abfd,
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*section_size = msec->rawsize ? msec->rawsize : msec->size;
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/* Paranoia - alloc one extra so that we can make sure a string
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section is NUL terminated. */
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- contents = (bfd_byte *) bfd_malloc (*section_size + 1);
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+ amt = *section_size + 1;
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+ if (amt == 0)
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+ {
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+ bfd_set_error (bfd_error_no_memory);
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+ return FALSE;
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+ }
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+ contents = (bfd_byte *) bfd_malloc (amt);
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+
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if (contents == NULL)
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return FALSE;
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if (syms
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diff -rup binutils.orig/bfd/syms.c binutils-2.30/bfd/syms.c
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--- binutils.orig/bfd/syms.c 2018-09-26 15:07:47.162863937 +0100
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+++ binutils-2.30/bfd/syms.c 2018-09-26 15:11:41.671038993 +0100
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@@ -1035,6 +1035,10 @@ _bfd_stab_section_find_nearest_line (bfd
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0, strsize))
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return FALSE;
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+ /* Stab strings ought to be nul terminated. Ensure the last one
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+ is, to prevent running off the end of the buffer. */
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+ info->strs[strsize - 1] = 0;
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+
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/* If this is a relocatable object file, we have to relocate
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the entries in .stab. This should always be simple 32 bit
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relocations against symbols defined in this object file, so
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@@ -1073,7 +1077,8 @@ _bfd_stab_section_find_nearest_line (bfd
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|| r->howto->bitsize != 32
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|| r->howto->pc_relative
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|| r->howto->bitpos != 0
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- || r->howto->dst_mask != 0xffffffff)
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+ || r->howto->dst_mask != 0xffffffff
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+ || r->address * bfd_octets_per_byte (abfd) + 4 > stabsize)
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{
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_bfd_error_handler
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(_("unsupported .stab relocation"));
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@@ -1195,7 +1200,8 @@ _bfd_stab_section_find_nearest_line (bfd
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{
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nul_fun = stab;
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nul_str = str;
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- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
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+ if (file_name >= (char *) info->strs + strsize
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+ || file_name < (char *) str)
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file_name = NULL;
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if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize
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&& *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO)
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@@ -1206,7 +1212,8 @@ _bfd_stab_section_find_nearest_line (bfd
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directory_name = file_name;
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file_name = ((char *) str
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+ bfd_get_32 (abfd, stab + STRDXOFF));
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- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
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+ if (file_name >= (char *) info->strs + strsize
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+ || file_name < (char *) str)
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file_name = NULL;
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}
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}
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@@ -1217,7 +1224,8 @@ _bfd_stab_section_find_nearest_line (bfd
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file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
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/* PR 17512: file: 0c680a1f. */
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/* PR 17512: file: 5da8aec4. */
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- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
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+ if (file_name >= (char *) info->strs + strsize
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+ || file_name < (char *) str)
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file_name = NULL;
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break;
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@@ -1226,7 +1234,8 @@ _bfd_stab_section_find_nearest_line (bfd
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function_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
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if (function_name == (char *) str)
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continue;
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- if (function_name >= (char *) info->strs + strsize)
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+ if (function_name >= (char *) info->strs + strsize
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+ || function_name < (char *) str)
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function_name = NULL;
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nul_fun = NULL;
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@@ -1335,7 +1344,8 @@ _bfd_stab_section_find_nearest_line (bfd
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if (val <= offset)
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{
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file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF);
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- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str)
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+ if (file_name >= (char *) info->strs + strsize
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+ || file_name < (char *) str)
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file_name = NULL;
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*pline = 0;
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}
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68
binutils-attach-to-group.patch
Normal file
68
binutils-attach-to-group.patch
Normal file
@ -0,0 +1,68 @@
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diff -rup binutils.orig/gas/config/obj-elf.c binutils-2.30/gas/config/obj-elf.c
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--- binutils.orig/gas/config/obj-elf.c 2018-09-24 17:50:06.974172867 +0100
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+++ binutils-2.30/gas/config/obj-elf.c 2018-09-25 15:19:33.559830794 +0100
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@@ -82,9 +82,11 @@ static void obj_elf_gnu_attribute (int);
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static void obj_elf_tls_common (int);
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static void obj_elf_lcomm (int);
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static void obj_elf_struct (int);
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+static void obj_elf_attach_to_group (int);
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static const pseudo_typeS elf_pseudo_table[] =
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{
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+ {"attach_to_group", obj_elf_attach_to_group, 0},
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{"comm", obj_elf_common, 0},
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{"common", obj_elf_common, 1},
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{"ident", obj_elf_ident, 0},
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@@ -1007,6 +1009,27 @@ obj_elf_section_name (void)
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return name;
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}
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+static void
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+obj_elf_attach_to_group (int dummy ATTRIBUTE_UNUSED)
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+{
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+ const char * gname = obj_elf_section_name ();
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+
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+ if (gname == NULL)
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+ {
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+ as_warn ("group name not parseable");
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+ return;
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+ }
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+
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+ if (elf_group_name (now_seg))
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+ {
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+ as_warn ("already has a group");
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+ return;
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+ }
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+
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+ elf_group_name (now_seg) = xstrdup (gname);
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+ elf_section_flags (now_seg) |= SHF_GROUP;
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+}
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+
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void
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obj_elf_section (int push)
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{
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diff -rup binutils.orig/gas/doc/as.texinfo binutils-2.30/gas/doc/as.texinfo
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--- binutils.orig/gas/doc/as.texi 2018-09-24 17:50:06.984172788 +0100
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+++ binutils-2.30/gas/doc/as.texi 2018-09-25 15:19:43.557748972 +0100
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@@ -4407,6 +4407,7 @@ Some machine configurations provide addi
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* Altmacro:: @code{.altmacro}
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* Ascii:: @code{.ascii "@var{string}"}@dots{}
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* Asciz:: @code{.asciz "@var{string}"}@dots{}
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+* Attach_to_group:: @code{.attach_to_group @var{name}}
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* Balign:: @code{.balign @var{abs-expr} , @var{abs-expr}}
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* Bundle directives:: @code{.bundle_align_mode @var{abs-expr}}, etc
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* Byte:: @code{.byte @var{expressions}}
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@@ -4703,6 +4704,12 @@ trailing zero byte) into consecutive add
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@code{.asciz} is just like @code{.ascii}, but each string is followed by
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a zero byte. The ``z'' in @samp{.asciz} stands for ``zero''.
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+@node Attach_to_group
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+@section @code{.attach_to_group @var{name}}
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+Attaches the current section to the named group. This is like declaring
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+the section with the @code{G} attribute, but can be done after the section
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+has been created.
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+
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@node Balign
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@section @code{.balign[wl] @var{abs-expr}, @var{abs-expr}, @var{abs-expr}}
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16
binutils-disable-readelf-gap-reports.patch
Normal file
16
binutils-disable-readelf-gap-reports.patch
Normal file
@ -0,0 +1,16 @@
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--- binutils.orig/binutils/readelf.c 2018-09-05 14:08:22.733186922 +0100
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+++ binutils-2.30/binutils/readelf.c 2018-09-05 15:35:38.009749485 +0100
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@@ -17634,11 +17634,12 @@ print_gnu_build_attribute_description (E
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if (is_open_attr)
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{
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+#if 0
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/* FIXME: Need to properly allow for section alignment. 16 is just the alignment used on x86_64. */
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if (global_end > 0 && start > BFD_ALIGN (global_end, 16))
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warn (_("Gap in build notes detected from %#lx to %#lx\n"),
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global_end + 1, start - 1);
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-
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+#endif
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printf (_(" Applies to region from %#lx"), start);
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global_offset = start;
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83
binutils-do-not-link-with-static-libstdc++.patch
Normal file
83
binutils-do-not-link-with-static-libstdc++.patch
Normal file
@ -0,0 +1,83 @@
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diff -rup binutils.orig/configure binutils-2.30/configure
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--- binutils.orig/configure 2018-09-24 17:50:06.967172922 +0100
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+++ binutils-2.30/configure 2018-09-24 17:51:16.648624865 +0100
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@@ -4996,49 +4996,6 @@ if test -z "$LD"; then
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fi
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fi
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-# Check whether -static-libstdc++ -static-libgcc is supported.
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-have_static_libs=no
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-if test "$GCC" = yes; then
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- saved_LDFLAGS="$LDFLAGS"
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-
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- LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
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- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether g++ accepts -static-libstdc++ -static-libgcc" >&5
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-$as_echo_n "checking whether g++ accepts -static-libstdc++ -static-libgcc... " >&6; }
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- ac_ext=cpp
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-ac_cpp='$CXXCPP $CPPFLAGS'
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-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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-
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-
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-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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-/* end confdefs.h. */
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-
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-#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
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-#error -static-libstdc++ not implemented
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-#endif
|
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-int main() {}
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-_ACEOF
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-if ac_fn_cxx_try_link "$LINENO"; then :
|
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- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
|
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-$as_echo "yes" >&6; }; have_static_libs=yes
|
||||
-else
|
||||
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
|
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-$as_echo "no" >&6; }
|
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-fi
|
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-rm -f core conftest.err conftest.$ac_objext \
|
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- conftest$ac_exeext conftest.$ac_ext
|
||||
- ac_ext=c
|
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-ac_cpp='$CPP $CPPFLAGS'
|
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-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
|
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-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
|
||||
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
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||||
-
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||||
-
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||||
- LDFLAGS="$saved_LDFLAGS"
|
||||
-fi
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||||
-
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||||
-
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||||
|
||||
|
||||
if test -n "$ac_tool_prefix"; then
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||||
diff -rup binutils.orig/configure.ac binutils-2.30/configure.ac
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--- binutils.orig/configure.ac 2018-09-24 17:50:07.241170767 +0100
|
||||
+++ binutils-2.30/configure.ac 2018-09-24 17:50:29.908992486 +0100
|
||||
@@ -1288,26 +1288,6 @@ if test -z "$LD"; then
|
||||
fi
|
||||
fi
|
||||
|
||||
-# Check whether -static-libstdc++ -static-libgcc is supported.
|
||||
-have_static_libs=no
|
||||
-if test "$GCC" = yes; then
|
||||
- saved_LDFLAGS="$LDFLAGS"
|
||||
-
|
||||
- LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
|
||||
- AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
|
||||
- AC_LANG_PUSH(C++)
|
||||
- AC_LINK_IFELSE([AC_LANG_SOURCE([
|
||||
-#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
|
||||
-#error -static-libstdc++ not implemented
|
||||
-#endif
|
||||
-int main() {}])],
|
||||
- [AC_MSG_RESULT([yes]); have_static_libs=yes],
|
||||
- [AC_MSG_RESULT([no])])
|
||||
- AC_LANG_POP(C++)
|
||||
-
|
||||
- LDFLAGS="$saved_LDFLAGS"
|
||||
-fi
|
||||
-
|
||||
ACX_PROG_GNAT
|
||||
ACX_PROG_CMP_IGNORE_INITIAL
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
|
||||
%if %{with debug}
|
||||
%undefine with_testsuite
|
||||
%endif1599521)
|
||||
%endif
|
||||
|
||||
%if 0%{!?binutils_target:1}
|
||||
%define binutils_target %{_target_platform}
|
||||
@ -69,7 +69,7 @@
|
||||
Summary: A GNU collection of binary utilities
|
||||
Name: %{?cross}binutils%{?_with_debug:-debug}
|
||||
Version: 2.31.1
|
||||
Release: 13%{?dist}
|
||||
Release: 14%{?dist}
|
||||
License: GPLv3+
|
||||
URL: https://sourceware.org/binutils
|
||||
|
||||
@ -186,6 +186,23 @@ Patch16: binutils-detect-corrupt-sym-version-info.patch
|
||||
# Lifetime: Fixed in 2.32
|
||||
Patch17: binutils-delay-ld-script-constant-eval.patch
|
||||
|
||||
# Purpose: Stop readelf's reports of gaps in build notes - they are unreliable.
|
||||
# Lifetime: Unknown.
|
||||
Patch18: binutils-disable-readelf-gap-reports.patch
|
||||
|
||||
# Purpose: Stop the binutils from statically linking with libstdc++.
|
||||
# Lifetime: Permanent.
|
||||
Patch20: binutils-do-not-link-with-static-libstdc++.patch
|
||||
|
||||
# Purpose: Add a .attach_to_group pseudo-op to the assembler for
|
||||
# use by the annobin gcc plugin.
|
||||
# Lifetime: Permanent.
|
||||
Patch21: binutils-attach-to-group.patch
|
||||
|
||||
# Purpose: Fix a potential buffer overrun when parsing a corrupt ELF file.
|
||||
# Lifetime: Fixed in 2.32.
|
||||
Patch22: binutils-CVE-2018-17358.patch
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
|
||||
Provides: bundled(libiberty)
|
||||
@ -314,7 +331,6 @@ using libelf instead of BFD.
|
||||
%patch02 -p1
|
||||
%patch03 -p1
|
||||
%patch04 -p1
|
||||
#% patch05 -p1
|
||||
%patch06 -p1
|
||||
%patch07 -p1
|
||||
%patch08 -p1
|
||||
@ -327,8 +343,13 @@ using libelf instead of BFD.
|
||||
%patch15 -p1
|
||||
%patch16 -p1
|
||||
%patch17 -p1
|
||||
%patch18 -p1
|
||||
%patch20 -p1
|
||||
%patch21 -p1
|
||||
%patch22 -p1
|
||||
|
||||
# We cannot run autotools as there is an exact requirement of autoconf-2.59.
|
||||
# FIXME - this is no longer true. Maybe try reinstating autotool use ?
|
||||
|
||||
# On ppc64 and aarch64, we might use 64KiB pages
|
||||
sed -i -e '/#define.*ELF_COMMONPAGESIZE/s/0x1000$/0x10000/' bfd/elf*ppc.c
|
||||
@ -475,7 +496,7 @@ export LDFLAGS=$RPM_LD_FLAGS
|
||||
%make_build %{_smp_mflags} tooldir=%{_prefix} MAKEINFO=true all
|
||||
%endif
|
||||
|
||||
# Do not use %%check as it is run after %%install where libbfd.so is rebuild
|
||||
# Do not use %%check as it is run after %%install where libbfd.so is rebuilt
|
||||
# with -fvisibility=hidden no longer being usable in its shared form.
|
||||
%if %{without testsuite}
|
||||
echo ====================TESTSUITE DISABLED=========================
|
||||
@ -483,14 +504,29 @@ echo ====================TESTSUITE DISABLED=========================
|
||||
make -k check < /dev/null || :
|
||||
echo ====================TESTING=========================
|
||||
cat {gas/testsuite/gas,ld/ld,binutils/binutils}.sum
|
||||
%if "%{build_gold}" == "both"
|
||||
if [ -f gold/test-suite.log ]; then
|
||||
cat gold/test-suite.log
|
||||
fi
|
||||
if [ -f gold/testsuite/test-suite.log ]; then
|
||||
cat gold/testsuite/*.log
|
||||
fi
|
||||
%endif
|
||||
echo ====================TESTING END=====================
|
||||
for file in {gas/testsuite/gas,ld/ld,binutils/binutils}.{sum,log}
|
||||
do
|
||||
ln $file binutils-%{_target_platform}-$(basename $file) || :
|
||||
done
|
||||
tar cjf binutils-%{_target_platform}.tar.bz2 binutils-%{_target_platform}-*.{sum,log}
|
||||
uuencode binutils-%{_target_platform}.tar.bz2 binutils-%{_target_platform}.tar.bz2
|
||||
rm -f binutils-%{_target_platform}.tar.bz2 binutils-%{_target_platform}-*.{sum,log}
|
||||
tar cjf binutils-%{_target_platform}.tar.xz binutils-%{_target_platform}-*.{sum,log}
|
||||
uuencode binutils-%{_target_platform}.tar.xz binutils-%{_target_platform}.tar.xz
|
||||
rm -f binutils-%{_target_platform}.tar.xz binutils-%{_target_platform}-*.{sum,log}
|
||||
%if "%{build_gold}" == "both"
|
||||
if [-f gold/testsuite/test-suite.log ]; then
|
||||
tar cjf binutils-%{_target_platform}-gold.log.tar.xz gold/testsuite/*.log
|
||||
uuencode binutils-%{_target_platform}-gold.log.tar.xz binutils-%{_target_platform}-gold.log.tar.xz
|
||||
rm -f binutils-%{_target_platform}-gold.log.tar.xz
|
||||
fi
|
||||
%endif
|
||||
%endif
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
@ -734,6 +770,13 @@ exit 0
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
%changelog
|
||||
* Fri Sep 28 2018 Nick Clifton <nickc@redhat.com> - 2.31.1-14
|
||||
- Fix a potential buffer overrun when parsing a corrupt ELF file. (#1632912)
|
||||
- Add a .attach_to_group pseuo-op to assembler (for use by annobin). (#1630574)
|
||||
- Stop the binutils from statically linking with libstdc++. (#1630550)
|
||||
- Include gold testsuite results in test logs.
|
||||
- Disable readelf's reporting of gaps in build notes. (#1623556)
|
||||
|
||||
* Tue Sep 04 2018 Nick Clifton <nickc@redhat.com> - 2.31.1-13
|
||||
- Delay the evaluation of linker script constants until after the configuration options have been set. (#1624751)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user