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Re: RFC: ld: Support ELF GNU program properties
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Binutils <binutils at sourceware dot org>
- Date: Thu, 23 Mar 2017 08:25:12 -0700
- Subject: Re: RFC: ld: Support ELF GNU program properties
- Authentication-results: sourceware.org; auth=none
- References: <20170313182054.GA17055@intel.com>
On Mon, Mar 13, 2017 at 11:20 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> From .note.gnu.property section in each ELF input, we build a list of
> GNU properties if .note.gnu.property section isn't corrupt. The unknown
> properties are ignored. All property lists in relocatable inputs are
> merged into an output property list. When -z stack-size=N is used and
> N isn't 0, the GNU_PROPERTY_STACK_SIZE property will be merged with or
> added to the output property list. .note.gnu.property section is
> generated in output from the output property list.
>
> Any comments?
>
> H.J.
> ---
> bfd/
>
> * Makefile.am (BFD32_BACKENDS): Add elf-properties.lo.
> (BFD32_BACKENDS_CFILES): Add elf-properties.c.
> * configure.ac (elf): Add elf-properties.lo.
> * Makefile.in: Regenerated.
> * configure: Likewise.
> * elf-bfd.h (elf_property_kind): New.
> (elf_property): Likewise.
> (elf_property_list): Likewise.
> (elf_properties): Likewise.
> (_bfd_elf_parse_gnu_properties): Likewise.
> (_bfd_elf_get_property): Likewise.
> (_bfd_elf_link_setup_gnu_properties): Likewise.
> (elf_backend_data): Add parse_gnu_properties and
> merge_gnu_properties.
> (elf_obj_tdata): Add properties.
> * elf-properties.c: New file.
> * elf32-i386.c (elf_i386_parse_gnu_properties): New.
> (elf_i386_merge_gnu_properties): Likewise.
> (elf_backend_parse_gnu_properties): Likewise.
> (elf_backend_merge_gnu_properties): Likewise.
> * elf64-x86-64.c (elf_x86_64_parse_gnu_properties): Likewise.
> (elf_x86_64_merge_gnu_properties): Likewise.
> (elf_backend_parse_gnu_properties): Likewise.
> (elf_backend_merge_gnu_properties): Likewise.
> * elfxx-target.h (elf_backend_merge_gnu_properties): Likewise.
> (elf_backend_parse_gnu_properties): Likewise.
> (elfNN_bed): Add elf_backend_parse_gnu_properties and
> elf_backend_merge_gnu_properties.
>
> ld/
>
> * emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Call
> _bfd_elf_link_setup_gnu_properties.
> * testsuite/ld-i386/i386.exp: Run property tests for Linux/i386.
> * testsuite/ld-i386/pass.c: New file.
> * testsuite/ld-i386/property-1.r: Likewise.
> * testsuite/ld-i386/property-2.r: Likewise.
> * testsuite/ld-i386/property-3.r: Likewise.
> * testsuite/ld-i386/property-4.r: Likewise.
> * testsuite/ld-i386/property-5.r: Likewise.
> * testsuite/ld-i386/property-6.r: Likewise.
> * testsuite/ld-i386/property-6a.c: Likewise.
> * testsuite/ld-i386/property-6b.c: Likewise.
> * testsuite/ld-i386/property-6c.S: Likewise.
> * testsuite/ld-i386/property-no-copy.S: Likewise.
> * testsuite/ld-i386/property-stack.S: Likewise.
> * testsuite/ld-i386/property-x86-1.S: Likewise.
> * testsuite/ld-i386/property-x86-2.S: Likewise.
> * testsuite/ld-x86-64/pass.c: Likewise.
> * testsuite/ld-x86-64/property-1.r: Likewise.
> * testsuite/ld-x86-64/property-2.r: Likewise.
> * testsuite/ld-x86-64/property-3.r: Likewise.
> * testsuite/ld-x86-64/property-4.r: Likewise.
> * testsuite/ld-x86-64/property-5.r: Likewise.
> * testsuite/ld-x86-64/property-6.r: Likewise.
> * testsuite/ld-x86-64/property-6a.c: Likewise.
> * testsuite/ld-x86-64/property-6b.c: Likewise.
> * testsuite/ld-x86-64/property-6c.S: Likewise.
> * testsuite/ld-x86-64/property-no-copy.S: Likewise.
> * testsuite/ld-x86-64/property-stack.S: Likewise.
> * testsuite/ld-x86-64/property-x86-1.S: Likewise.
> * testsuite/ld-x86-64/property-x86-2.S: Likewise.
> * testsuite/ld-x86-64/x86-64.exp: Run property tests for
> Linux/x86-64.
> ---
> bfd/Makefile.am | 2 +
> bfd/Makefile.in | 3 +
> bfd/configure | 2 +-
> bfd/configure.ac | 2 +-
> bfd/elf-bfd.h | 44 ++++
> bfd/elf-properties.c | 370 ++++++++++++++++++++++++++++++
> bfd/elf.c | 3 +
> bfd/elf32-i386.c | 62 +++++
> bfd/elf64-x86-64.c | 66 +++++-
> bfd/elfxx-target.h | 8 +
> ld/emultempl/elf32.em | 2 +
> ld/testsuite/ld-i386/i386.exp | 257 +++++++++++++++++++++
> ld/testsuite/ld-i386/pass.c | 8 +
> ld/testsuite/ld-i386/property-1.r | 7 +
> ld/testsuite/ld-i386/property-2.r | 7 +
> ld/testsuite/ld-i386/property-3.r | 8 +
> ld/testsuite/ld-i386/property-4.r | 8 +
> ld/testsuite/ld-i386/property-5.r | 8 +
> ld/testsuite/ld-i386/property-6.r | 7 +
> ld/testsuite/ld-i386/property-6a.c | 7 +
> ld/testsuite/ld-i386/property-6b.c | 8 +
> ld/testsuite/ld-i386/property-6c.S | 18 ++
> ld/testsuite/ld-i386/property-no-copy.S | 15 ++
> ld/testsuite/ld-i386/property-stack.S | 18 ++
> ld/testsuite/ld-i386/property-x86-1.S | 32 +++
> ld/testsuite/ld-i386/property-x86-2.S | 25 ++
> ld/testsuite/ld-x86-64/pass.c | 8 +
> ld/testsuite/ld-x86-64/property-1.r | 7 +
> ld/testsuite/ld-x86-64/property-2.r | 7 +
> ld/testsuite/ld-x86-64/property-3.r | 8 +
> ld/testsuite/ld-x86-64/property-4.r | 8 +
> ld/testsuite/ld-x86-64/property-5.r | 8 +
> ld/testsuite/ld-x86-64/property-6.r | 7 +
> ld/testsuite/ld-x86-64/property-6a.c | 7 +
> ld/testsuite/ld-x86-64/property-6b.c | 8 +
> ld/testsuite/ld-x86-64/property-6c.S | 23 ++
> ld/testsuite/ld-x86-64/property-no-copy.S | 20 ++
> ld/testsuite/ld-x86-64/property-stack.S | 23 ++
> ld/testsuite/ld-x86-64/property-x86-1.S | 37 +++
> ld/testsuite/ld-x86-64/property-x86-2.S | 30 +++
> ld/testsuite/ld-x86-64/x86-64.exp | 257 +++++++++++++++++++++
> 41 files changed, 1452 insertions(+), 3 deletions(-)
> create mode 100644 bfd/elf-properties.c
> create mode 100644 ld/testsuite/ld-i386/pass.c
> create mode 100644 ld/testsuite/ld-i386/property-1.r
> create mode 100644 ld/testsuite/ld-i386/property-2.r
> create mode 100644 ld/testsuite/ld-i386/property-3.r
> create mode 100644 ld/testsuite/ld-i386/property-4.r
> create mode 100644 ld/testsuite/ld-i386/property-5.r
> create mode 100644 ld/testsuite/ld-i386/property-6.r
> create mode 100644 ld/testsuite/ld-i386/property-6a.c
> create mode 100644 ld/testsuite/ld-i386/property-6b.c
> create mode 100644 ld/testsuite/ld-i386/property-6c.S
> create mode 100644 ld/testsuite/ld-i386/property-no-copy.S
> create mode 100644 ld/testsuite/ld-i386/property-stack.S
> create mode 100644 ld/testsuite/ld-i386/property-x86-1.S
> create mode 100644 ld/testsuite/ld-i386/property-x86-2.S
> create mode 100644 ld/testsuite/ld-x86-64/pass.c
> create mode 100644 ld/testsuite/ld-x86-64/property-1.r
> create mode 100644 ld/testsuite/ld-x86-64/property-2.r
> create mode 100644 ld/testsuite/ld-x86-64/property-3.r
> create mode 100644 ld/testsuite/ld-x86-64/property-4.r
> create mode 100644 ld/testsuite/ld-x86-64/property-5.r
> create mode 100644 ld/testsuite/ld-x86-64/property-6.r
> create mode 100644 ld/testsuite/ld-x86-64/property-6a.c
> create mode 100644 ld/testsuite/ld-x86-64/property-6b.c
> create mode 100644 ld/testsuite/ld-x86-64/property-6c.S
> create mode 100644 ld/testsuite/ld-x86-64/property-no-copy.S
> create mode 100644 ld/testsuite/ld-x86-64/property-stack.S
> create mode 100644 ld/testsuite/ld-x86-64/property-x86-1.S
> create mode 100644 ld/testsuite/ld-x86-64/property-x86-2.S
>
> diff --git a/bfd/Makefile.am b/bfd/Makefile.am
> index 0b02263..87dd2db 100644
> --- a/bfd/Makefile.am
> +++ b/bfd/Makefile.am
> @@ -319,6 +319,7 @@ BFD32_BACKENDS = \
> elf-m10200.lo \
> elf-m10300.lo \
> elf-nacl.lo \
> + elf-properties.lo \
> elf-strtab.lo \
> elf-vxworks.lo \
> elf.lo \
> @@ -512,6 +513,7 @@ BFD32_BACKENDS_CFILES = \
> elf-m10200.c \
> elf-m10300.c \
> elf-nacl.c \
> + elf-properties.c \
> elf-strtab.c \
> elf-vxworks.c \
> elf.c \
> diff --git a/bfd/Makefile.in b/bfd/Makefile.in
> index 096c7ef..67d112d 100644
> --- a/bfd/Makefile.in
> +++ b/bfd/Makefile.in
> @@ -653,6 +653,7 @@ BFD32_BACKENDS = \
> elf-m10200.lo \
> elf-m10300.lo \
> elf-nacl.lo \
> + elf-properties.lo \
> elf-strtab.lo \
> elf-vxworks.lo \
> elf.lo \
> @@ -846,6 +847,7 @@ BFD32_BACKENDS_CFILES = \
> elf-m10200.c \
> elf-m10300.c \
> elf-nacl.c \
> + elf-properties.c \
> elf-strtab.c \
> elf-vxworks.c \
> elf.c \
> @@ -1464,6 +1466,7 @@ distclean-compile:
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-m10200.Plo@am__quote@
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-m10300.Plo@am__quote@
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-nacl.Plo@am__quote@
> +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-properties.Plo@am__quote@
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-strtab.Plo@am__quote@
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf-vxworks.Plo@am__quote@
> @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf.Plo@am__quote@
> diff --git a/bfd/configure b/bfd/configure
> index 83256d2..a40e621 100755
> --- a/bfd/configure
> +++ b/bfd/configure
> @@ -14234,7 +14234,7 @@ selarchs="$f"
> # Target backend .o files.
> tb=
>
> -elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo
> +elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo elf-properties.lo
> elf-eh-frame.lo dwarf1.lo dwarf2.lo"
> coffgen="coffgen.lo dwarf2.lo"
> coff="cofflink.lo $coffgen"
> diff --git a/bfd/configure.ac b/bfd/configure.ac
> index ee0c537..e90ea9f 100644
> --- a/bfd/configure.ac
> +++ b/bfd/configure.ac
> @@ -365,7 +365,7 @@ selarchs="$f"
> # Target backend .o files.
> tb=
>
> -elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo
> +elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo elf-properties.lo
> elf-eh-frame.lo dwarf1.lo dwarf2.lo"
> coffgen="coffgen.lo dwarf2.lo"
> coff="cofflink.lo $coffgen"
> diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
> index 9e3d6f5..fd500c5 100644
> --- a/bfd/elf-bfd.h
> +++ b/bfd/elf-bfd.h
> @@ -766,6 +766,31 @@ typedef asection * (*elf_gc_mark_hook_fn)
> (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
> struct elf_link_hash_entry *, Elf_Internal_Sym *);
>
> +enum elf_property_kind
> + {
> + property_unknown = 0,
> + property_ignored,
> + property_corrupt,
> + property_value
> + };
> +
> +typedef struct elf_property
> +{
> + unsigned int type;
> + unsigned int datasz;
> + union
> + {
> + bfd_vma value;
> + } u;
> + enum elf_property_kind kind;
> +} elf_property;
> +
> +typedef struct elf_property_list
> +{
> + struct elf_property_list *next;
> + struct elf_property property;
> +} elf_property_list;
> +
> struct bfd_elf_section_reloc_data;
>
> struct elf_backend_data
> @@ -1389,6 +1414,15 @@ struct elf_backend_data
> or give an error and return FALSE. */
> bfd_boolean (*obj_attrs_handle_unknown) (bfd *, int);
>
> + /* Parse GNU properties. */
> + enum elf_property_kind (*parse_gnu_properties) (bfd *, unsigned int,
> + bfd_byte *,
> + unsigned int);
> +
> + /* Merge GNU properties. */
> + bfd_boolean (*merge_gnu_properties) (bfd *, elf_property *,
> + elf_property *);
> +
> /* Encoding used for compact EH tables. */
> int (*compact_eh_encoding) (struct bfd_link_info *);
>
> @@ -1798,6 +1832,8 @@ struct elf_obj_tdata
> /* Symbol buffer. */
> void *symbuf;
>
> + elf_property_list *properties;
> +
> obj_attribute known_obj_attributes[2][NUM_KNOWN_OBJ_ATTRIBUTES];
> obj_attribute_list *other_obj_attributes[2];
>
> @@ -1882,6 +1918,7 @@ struct elf_obj_tdata
> (elf_known_obj_attributes (bfd) [OBJ_ATTR_PROC])
> #define elf_other_obj_attributes_proc(bfd) \
> (elf_other_obj_attributes (bfd) [OBJ_ATTR_PROC])
> +#define elf_properties(bfd) (elf_tdata (bfd) -> properties)
>
> extern void _bfd_elf_swap_verdef_in
> (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *);
> @@ -2538,6 +2575,13 @@ extern bfd_boolean _bfd_elf_merge_unknown_attribute_low (bfd *, bfd *, int);
> extern bfd_boolean _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *);
> extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec);
>
> +extern bfd_boolean _bfd_elf_parse_gnu_properties
> + (bfd *, Elf_Internal_Note *);
> +extern elf_property * _bfd_elf_get_property
> + (bfd *, unsigned int, unsigned int);
> +extern void _bfd_elf_link_setup_gnu_properties
> + (struct bfd_link_info *);
> +
> /* The linker may need to keep track of the number of relocs that it
> decides to copy as dynamic relocs in check_relocs for each symbol.
> This is so that it can later discard them if they are found to be
> diff --git a/bfd/elf-properties.c b/bfd/elf-properties.c
> new file mode 100644
> index 0000000..e849a43
> --- /dev/null
> +++ b/bfd/elf-properties.c
> @@ -0,0 +1,370 @@
> +/* ELF program property support.
> + Copyright (C) 2017 Free Software Foundation, Inc.
> +
> + This file is part of BFD, the Binary File Descriptor library.
> +
> + 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 3 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. */
> +
> +#include "sysdep.h"
> +#include "bfd.h"
> +#include "libbfd.h"
> +#include "elf-bfd.h"
> +
> +/* Get a property, allocate a new one if needed. */
> +
> +elf_property *
> +_bfd_elf_get_property (bfd *abfd, unsigned int type, unsigned int datasz)
> +{
> + elf_property_list *p, **lastp;
> +
> + /* Keep the property list in order of type. */
> + lastp = &elf_properties (abfd);
> + for (p = *lastp; p; p = p->next)
> + {
> + /* Reuse the existing entry. */
> + if (type == p->property.type)
> + return &p->property;
> + else if (type < p->property.type)
> + break;
> + lastp = &p->next;
> + }
> + p = (elf_property_list *) bfd_alloc (abfd, sizeof (*p));
> + memset (p, 0, sizeof (*p));
> + p->property.type = type;
> + p->property.datasz = datasz;
> + p->next = *lastp;
> + *lastp = p;
> + return &p->property;
> +}
> +
> +/* Parse GNU properties. */
> +
> +bfd_boolean
> +_bfd_elf_parse_gnu_properties (bfd *abfd, Elf_Internal_Note *note)
> +{
> + const struct elf_backend_data *bed = get_elf_backend_data (abfd);
> + unsigned int align_size = bed->s->elfclass == ELFCLASS64 ? 8 : 4;
> + bfd_byte *ptr = (bfd_byte *) note->descdata;
> + bfd_byte *ptr_end = ptr + note->descsz;
> +
> + if (note->descsz < 8 || (note->descsz % align_size) != 0)
> + {
> +bad_size:
> + _bfd_error_handler
> + (_("warning: %B: corrupt GNU_PROPERTY_TYPE (%ld) size: %#lx\n"),
> + abfd, note->type, note->descsz);
> + return FALSE;
> + }
> +
> + while (1)
> + {
> + unsigned int type = bfd_h_get_32 (abfd, ptr);
> + unsigned int datasz = bfd_h_get_32 (abfd, ptr + 4);
> + elf_property *prop;
> +
> + ptr += 8;
> +
> + if ((ptr + datasz) > ptr_end)
> + {
> + _bfd_error_handler
> + (_("warning: %B: corrupt GNU_PROPERTY_TYPE (%ld) type (0x%x) datasz: 0x%x\n"),
> + abfd, note->type, type, datasz);
> + /* Clear all properties. */
> + elf_properties (abfd) = NULL;
> + return FALSE;
> + }
> +
> + if (type >= GNU_PROPERTY_LOPROC)
> + {
> + if (type < GNU_PROPERTY_LOUSER && bed->parse_gnu_properties)
> + {
> + enum elf_property_kind kind
> + = bed->parse_gnu_properties (abfd, type, ptr, datasz);
> + if (kind == property_corrupt)
> + {
> + /* Clear all properties. */
> + elf_properties (abfd) = NULL;
> + return FALSE;
> + }
> + else if (kind != property_ignored)
> + goto next;
> + }
> + }
> + else
> + {
> + switch (type)
> + {
> + case GNU_PROPERTY_STACK_SIZE:
> + if (datasz != align_size)
> + {
> + _bfd_error_handler
> + (_("warning: %B: corrupt stack size: 0x%x\n"),
> + abfd, datasz);
> + /* Clear all properties. */
> + elf_properties (abfd) = NULL;
> + return FALSE;
> + }
> + prop = _bfd_elf_get_property (abfd, type, datasz);
> + if (datasz == 8)
> + prop->u.value = bfd_h_get_64 (abfd, ptr);
> + else
> + prop->u.value = bfd_h_get_32 (abfd, ptr);
> + prop->kind = property_value;
> + goto next;
> +
> + case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
> + if (datasz != 0)
> + {
> + _bfd_error_handler
> + (_("warning: %B: corrupt no copy on protected size: 0x%x\n"),
> + abfd, datasz);
> + /* Clear all properties. */
> + elf_properties (abfd) = NULL;
> + return FALSE;
> + }
> + prop = _bfd_elf_get_property (abfd, type, datasz);
> + prop->kind = property_value;
> + goto next;
> +
> + default:
> + break;
> + }
> + }
> +
> + _bfd_error_handler
> + (_("warning: %B: unsupported GNU_PROPERTY_TYPE (%ld) type: 0x%x\n"),
> + abfd, note->type, type);
> +
> +next:
> + ptr += (datasz + (align_size - 1)) & ~ (align_size - 1);
> + if (ptr == ptr_end)
> + break;
> +
> + if (ptr > (ptr_end - 8))
> + goto bad_size;
> + }
> +
> + return TRUE;
> +}
> +
> +/* Merge GNU property. Return TRUE if property is updated. */
> +
> +static bfd_boolean
> +elf_merge_gnu_properties (bfd *abfd, elf_property *prop, elf_property *p)
> +{
> + const struct elf_backend_data *bed = get_elf_backend_data (abfd);
> +
> + if (prop->type >= GNU_PROPERTY_LOPROC
> + && prop->type < GNU_PROPERTY_LOUSER
> + && bed->merge_gnu_properties != NULL)
> + return bed->merge_gnu_properties (abfd, prop, p);
> +
> + switch (prop->type)
> + {
> + case GNU_PROPERTY_STACK_SIZE:
> + if (p->u.value > prop->u.value)
> + {
> + prop->u.value = p->u.value;
> + return TRUE;
> + }
> + break;
> +
> + case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
> + break;
> +
> + default:
> + /* Never should happen. */
> + abort ();
> + }
> +
> + return FALSE;
> +}
> +
> +/* Merge GNU property list. Return TRUE if property list is updated. */
> +
> +static bfd_boolean
> +elf_merge_gnu_property_list (bfd *abfd, elf_property_list *list)
> +{
> + bfd_boolean updated = FALSE;
> +
> + for (; list != NULL; list = list->next)
> + {
> + elf_property *p;
> + p = _bfd_elf_get_property (abfd, list->property.type,
> + list->property.datasz);
> + if (p->kind == property_unknown)
> + {
> + /* Add a new property. */
> + *p = list->property;
> + updated = TRUE;
> + }
> + else
> + updated |= elf_merge_gnu_properties (abfd, p, &list->property);
> + }
> +
> + return updated;
> +}
> +
> +/* Set up GNU properties. */
> +
> +void
> +_bfd_elf_link_setup_gnu_properties (struct bfd_link_info *info)
> +{
> + bfd *abfd, *first_pbfd = NULL;
> + elf_property_list *list;
> + asection *sec;
> + bfd_boolean updated = FALSE;
> + const struct elf_backend_data *bed;
> + unsigned int align_size;
> +
> + for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next)
> + if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
> + && bfd_count_sections (abfd) != 0)
> + {
> + /* Check .note.gnu.property section in relocatable ELF input. */
> + list = elf_properties (abfd);
> + if (list)
> + {
> + if (first_pbfd == NULL)
> + {
> + /* Keep .note.gnu.property section in FIRST_PBFD. */
> + first_pbfd = abfd;
> + continue;
> + }
> +
> + /* Merge properties with FIRST_PBFD. */
> + updated |= elf_merge_gnu_property_list (first_pbfd, list);
> +
> + /* Discard .note.gnu.property section in the rest inputs. */
> + sec = bfd_get_section_by_name (abfd, ".note.gnu.property");
> + sec->output_section = bfd_abs_section_ptr;
> + }
> + }
> +
> + /* Do nothing if there is no .note.gnu.property section. */
> + if (first_pbfd == NULL)
> + return;
> +
> + bed = get_elf_backend_data (first_pbfd);
> + align_size = bed->s->elfclass == ELFCLASS64 ? 8 : 4;
> +
> + /* Update stack size in .note.gnu.property with -z stack-size=N if
> + N > 0. */
> + if (info->stacksize && first_pbfd != NULL && info->stacksize > 0)
> + {
> + elf_property *p;
> + bfd_vma stacksize = info->stacksize;
> +
> + p = _bfd_elf_get_property (first_pbfd, GNU_PROPERTY_STACK_SIZE,
> + align_size);
> + if (p->kind == property_unknown)
> + {
> + /* Create GNU_PROPERTY_STACK_SIZE. */
> + p->u.value = stacksize;
> + p->kind = property_value;
> + updated = TRUE;
> + }
> + else if (stacksize > p->u.value)
> + {
> + p->u.value = stacksize;
> + updated = TRUE;
> + }
> + }
> +
> + if (updated)
> + {
> + unsigned int size;
> + unsigned int descsz;
> + bfd_byte *contents;
> + Elf_External_Note *e_note;
> +
> + sec = bfd_get_section_by_name (first_pbfd, ".note.gnu.property");
> +
> + /* Compute the section size. */
> + descsz = offsetof (Elf_External_Note, name[sizeof "GNU"]);
> + descsz = (descsz + 3) & -(unsigned int) 4;
> + size = descsz;
> + for (list = elf_properties (first_pbfd);
> + list != NULL;
> + list = list->next)
> + {
> + /* There are 4 byte type + 4 byte datasz for each property. */
> + size += 4 + 4 + list->property.datasz;
> + /* Align each property. */
> + size = (size + (align_size - 1)) & ~(align_size - 1);
> + }
> +
> + /* Update .note.gnu.property section now. */
> + sec->size = size;
> + contents = (bfd_byte *) bfd_zalloc (first_pbfd, size);
> +
> + e_note = (Elf_External_Note *) contents;
> + bfd_h_put_32 (first_pbfd, sizeof "GNU", &e_note->namesz);
> + bfd_h_put_32 (first_pbfd, size - descsz, &e_note->descsz);
> + bfd_h_put_32 (first_pbfd, NT_GNU_PROPERTY_TYPE_0, &e_note->type);
> + memcpy (e_note->name, "GNU", sizeof "GNU");
> +
> + size = descsz;
> + for (list = elf_properties (first_pbfd);
> + list != NULL;
> + list = list->next)
> + {
> + /* There are 4 byte type + 4 byte datasz for each property. */
> + bfd_h_put_32 (first_pbfd, list->property.type,
> + contents + size);
> + bfd_h_put_32 (first_pbfd, list->property.datasz,
> + contents + size + 4);
> + size += 4 + 4;
> +
> + /* Write out property value. */
> + switch (list->property.kind)
> + {
> + case property_value:
> + switch (list->property.datasz)
> + {
> + default:
> + /* Never should happen. */
> + abort ();
> +
> + case 0:
> + break;
> +
> + case 4:
> + bfd_h_put_32 (first_pbfd, list->property.u.value,
> + contents + size);
> + break;
> +
> + case 8:
> + bfd_h_put_64 (first_pbfd, list->property.u.value,
> + contents + size);
> + break;
> + }
> + break;
> +
> + default:
> + /* Never should happen. */
> + abort ();
> + }
> + size += list->property.datasz;
> +
> + /* Align each property. */
> + size = (size + (align_size - 1)) & ~ (align_size - 1);
> + }
> +
> + /* Cache the section contents for elf_link_input_bfd. */
> + elf_section_data (sec)->this_hdr.contents = contents;
> + }
> +}
> diff --git a/bfd/elf.c b/bfd/elf.c
> index 9418e51..d4d91b6 100644
> --- a/bfd/elf.c
> +++ b/bfd/elf.c
> @@ -9691,6 +9691,9 @@ elfobj_grok_gnu_note (bfd *abfd, Elf_Internal_Note *note)
> default:
> return TRUE;
>
> + case NT_GNU_PROPERTY_TYPE_0:
> + return _bfd_elf_parse_gnu_properties (abfd, note);
> +
> case NT_GNU_BUILD_ID:
> return elfobj_grok_gnu_build_id (abfd, note);
> }
> diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
> index 2784ef7..7e82b0d 100644
> --- a/bfd/elf32-i386.c
> +++ b/bfd/elf32-i386.c
> @@ -6131,6 +6131,66 @@ elf_i386_hash_symbol (struct elf_link_hash_entry *h)
> return _bfd_elf_hash_symbol (h);
> }
>
> +/* Parse i386 GNU properties. */
> +
> +static enum elf_property_kind
> +elf_i386_parse_gnu_properties (bfd *abfd, unsigned int type,
> + bfd_byte *ptr, unsigned int datasz)
> +{
> + elf_property *prop;
> +
> + switch (type)
> + {
> + case GNU_PROPERTY_X86_ISA_1_USED:
> + case GNU_PROPERTY_X86_ISA_1_NEEDED:
> + if (datasz != 4)
> + {
> + _bfd_error_handler
> + ((type == GNU_PROPERTY_X86_ISA_1_USED
> + ? _("error: %B: <corrupt x86 ISA used size: 0x%x>\n")
> + : _("error: %B: <corrupt x86 ISA needed size: 0x%x>\n")),
> + abfd, datasz);
> + return property_corrupt;
> + }
> + prop = _bfd_elf_get_property (abfd, type, datasz);
> + prop->u.value = bfd_h_get_32 (abfd, ptr);
> + prop->kind = property_value;
> + break;
> +
> + default:
> + return property_ignored;
> + }
> +
> + return property_value;
> +}
> +
> +/* Merge i386 GNU property. Return TRUE if property is updated. */
> +
> +static bfd_boolean
> +elf_i386_merge_gnu_properties (bfd *abfd ATTRIBUTE_UNUSED,
> + elf_property *prop,
> + elf_property *p)
> +{
> + unsigned int value;
> + bfd_boolean updated = FALSE;
> +
> + switch (prop->type)
> + {
> + case GNU_PROPERTY_X86_ISA_1_USED:
> + case GNU_PROPERTY_X86_ISA_1_NEEDED:
> + value = prop->u.value;
> + prop->u.value = value | p->u.value;
> + updated = value != (unsigned int) prop->u.value;
> + break;
> +
> + default:
> + /* Never should happen. */
> + abort ();
> + }
> +
> + return updated;
> +}
> +
> #define TARGET_LITTLE_SYM i386_elf32_vec
> #define TARGET_LITTLE_NAME "elf32-i386"
> #define ELF_ARCH bfd_arch_i386
> @@ -6182,6 +6242,8 @@ elf_i386_hash_symbol (struct elf_link_hash_entry *h)
> ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
> #define elf_backend_hash_symbol elf_i386_hash_symbol
> #define elf_backend_fixup_symbol elf_i386_fixup_symbol
> +#define elf_backend_parse_gnu_properties elf_i386_parse_gnu_properties
> +#define elf_backend_merge_gnu_properties elf_i386_merge_gnu_properties
>
> #include "elf32-target.h"
>
> diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
> index e0e6c16..717e087 100644
> --- a/bfd/elf64-x86-64.c
> +++ b/bfd/elf64-x86-64.c
> @@ -6896,8 +6896,68 @@ elf_x86_64_relocs_compatible (const bfd_target *input,
> && _bfd_elf_relocs_compatible (input, output));
> }
>
> +/* Parse x86-64 GNU properties. */
> +
> +static enum elf_property_kind
> +elf_x86_64_parse_gnu_properties (bfd *abfd, unsigned int type,
> + bfd_byte *ptr, unsigned int datasz)
> +{
> + elf_property *prop;
> +
> + switch (type)
> + {
> + case GNU_PROPERTY_X86_ISA_1_USED:
> + case GNU_PROPERTY_X86_ISA_1_NEEDED:
> + if (datasz != 4)
> + {
> + _bfd_error_handler
> + ((type == GNU_PROPERTY_X86_ISA_1_USED
> + ? _("error: %B: <corrupt x86 ISA used size: 0x%x>\n")
> + : _("error: %B: <corrupt x86 ISA needed size: 0x%x>\n")),
> + abfd, datasz);
> + return property_corrupt;
> + }
> + prop = _bfd_elf_get_property (abfd, type, datasz);
> + prop->u.value = bfd_h_get_32 (abfd, ptr);
> + prop->kind = property_value;
> + break;
> +
> + default:
> + return property_ignored;
> + }
> +
> + return property_value;
> +}
> +
> +/* Merge x86-64 GNU property. Return TRUE if property is updated. */
> +
> +static bfd_boolean
> +elf_x86_64_merge_gnu_properties (bfd *abfd ATTRIBUTE_UNUSED,
> + elf_property *prop,
> + elf_property *p)
> +{
> + unsigned int value;
> + bfd_boolean updated = FALSE;
> +
> + switch (prop->type)
> + {
> + case GNU_PROPERTY_X86_ISA_1_USED:
> + case GNU_PROPERTY_X86_ISA_1_NEEDED:
> + value = prop->u.value;
> + prop->u.value = value | p->u.value;
> + updated = value != (unsigned int) prop->u.value;
> + break;
> +
> + default:
> + /* Never should happen. */
> + abort ();
> + }
> +
> + return updated;
> +}
> +
> static const struct bfd_elf_special_section
> - elf_x86_64_special_sections[]=
> +elf_x86_64_special_sections[]=
> {
> { STRING_COMMA_LEN (".gnu.linkonce.lb"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_X86_64_LARGE},
> { STRING_COMMA_LEN (".gnu.linkonce.lr"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_X86_64_LARGE},
> @@ -6988,6 +7048,10 @@ static const struct bfd_elf_special_section
> ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
> #define elf_backend_fixup_symbol \
> elf_x86_64_fixup_symbol
> +#define elf_backend_parse_gnu_properties \
> + elf_x86_64_parse_gnu_properties
> +#define elf_backend_merge_gnu_properties \
> + elf_x86_64_merge_gnu_properties
>
> #include "elf64-target.h"
>
> diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h
> index d063fb7..8aa2de5 100644
> --- a/bfd/elfxx-target.h
> +++ b/bfd/elfxx-target.h
> @@ -519,6 +519,12 @@
> #ifndef elf_backend_obj_attrs_handle_unknown
> #define elf_backend_obj_attrs_handle_unknown NULL
> #endif
> +#ifndef elf_backend_parse_gnu_properties
> +#define elf_backend_parse_gnu_properties NULL
> +#endif
> +#ifndef elf_backend_merge_gnu_properties
> +#define elf_backend_merge_gnu_properties NULL
> +#endif
> #ifndef elf_backend_static_tls_alignment
> #define elf_backend_static_tls_alignment 1
> #endif
> @@ -838,6 +844,8 @@ static struct elf_backend_data elfNN_bed =
> elf_backend_obj_attrs_section_type,
> elf_backend_obj_attrs_order,
> elf_backend_obj_attrs_handle_unknown,
> + elf_backend_parse_gnu_properties,
> + elf_backend_merge_gnu_properties,
> elf_backend_compact_eh_encoding,
> elf_backend_cant_unwind_opcode,
> elf_backend_static_tls_alignment,
> diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
> index d4837d0..1bd1265 100644
> --- a/ld/emultempl/elf32.em
> +++ b/ld/emultempl/elf32.em
> @@ -1258,6 +1258,8 @@ gld${EMULATION_NAME}_after_open (void)
> }
> }
>
> + _bfd_elf_link_setup_gnu_properties (&link_info);
> +
> if (bfd_link_relocatable (&link_info))
> {
> if (link_info.execstack == ! link_info.noexecstack)
> diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
> index c489227..2f6fe76 100644
> --- a/ld/testsuite/ld-i386/i386.exp
> +++ b/ld/testsuite/ld-i386/i386.exp
> @@ -736,6 +736,158 @@ if { [isnative]
> {{objdump {-dw} pr19319.dd}} \
> "pr19319" \
> ] \
> + [list \
> + "Build property 1" \
> + "" \
> + "" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1" \
> + ] \
> + [list \
> + "Build property 1 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1.o" \
> + ] \
> + [list \
> + "Build property 1 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1.so" \
> + ] \
> + [list \
> + "Build property 2" \
> + "" \
> + "" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2" \
> + ] \
> + [list \
> + "Build property 2 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2.o" \
> + ] \
> + [list \
> + "Build property 2 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2.so" \
> + ] \
> + [list \
> + "Build property 3" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3" \
> + ] \
> + [list \
> + "Build property 3 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3.o" \
> + ] \
> + [list \
> + "Build property 3 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3.so" \
> + ] \
> + [list \
> + "Build property 4" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4" \
> + ] \
> + [list \
> + "Build property 4 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4.o" \
> + ] \
> + [list \
> + "Build property 4 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4.so" \
> + ] \
> + [list \
> + "Build property 4 (-Wl,-z,stack-size=0)" \
> + "-Wl,-z,stack-size=0" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4" \
> + ] \
> + [list \
> + "Build property 5" \
> + "-Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5" \
> + ] \
> + [list \
> + "Build property 5 (.o)" \
> + "-r -nostdlib -Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5.o" \
> + ] \
> + [list \
> + "Build property 5 (.so)" \
> + "-shared -Wl,-z,stack-size=0x900000" \
> + "-fPIC" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5.so" \
> + ] \
> + [list \
> + "Build property-6.so" \
> + "-shared" \
> + "-fPIC" \
> + {property-6a.c property-6c.S} \
> + {{readelf {-n} property-6.r}} \
> + "property-6.so" \
> + ] \
> + [list \
> + "Build property-6.o" \
> + "-r -nostdlib" \
> + "" \
> + {property-6b.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-6.o" \
> + ] \
> + [list \
> + "Build property-6" \
> + "-Wl,--as-needed tmpdir/property-6.o tmpdir/property-6.so" \
> + { dummy.s } \
> + "" \
> + {{readelf {-n} property-2.r}} \
> + "property-6" \
> + ] \
> ]
>
> run_ld_link_exec_tests [list \
> @@ -814,6 +966,111 @@ if { [isnative]
> "got1" \
> "got1.out" \
> ] \
> + [list \
> + "Run property 1" \
> + "" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "property-1" "pass.out" \
> + ] \
> + [list \
> + "Run property 1 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "property-1-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 1 (static)" \
> + "-static" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "roperty-1-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 2" \
> + "" \
> + "" \
> + {pass.c property-stack.S} \
> + "property-2" "pass.out" \
> + ] \
> + [list \
> + "Run property 2 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-stack.S} \
> + "property-2-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 2 (static)" \
> + "-static" \
> + "" \
> + {pass.c property-stack.S} \
> + "roperty-3-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 3" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S} \
> + "property-3" "pass.out" \
> + ] \
> + [list \
> + "Run property 3 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-x86-1.S property-stack.S} \
> + "property-3-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 3 (static)" \
> + "-static" \
> + "" \
> + {property-x86-1.S pass.c property-stack.S} \
> + "roperty-3-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 4" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + "property-4" "pass.out" \
> + ] \
> + [list \
> + "Run property 4 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + "property-4-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 4 (static)" \
> + "-static" \
> + "" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + "roperty-4-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 5" \
> + "-Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + "property-5" "pass.out" \
> + ] \
> + [list \
> + "Run property 5 (PIE)" \
> + "-pie -Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + "property-5-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 5 (static)" \
> + "-static -Wl,-z,stack-size=0x900000" \
> + "" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + "roperty-5-static" "pass.out" \
> + ] \
> ]
>
> undefined_weak "" ""
> diff --git a/ld/testsuite/ld-i386/pass.c b/ld/testsuite/ld-i386/pass.c
> new file mode 100644
> index 0000000..8fb892c
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/pass.c
> @@ -0,0 +1,8 @@
> +#include <stdio.h>
> +
> +int
> +main ()
> +{
> + printf ("PASS\n");
> + return 0;
> +}
> diff --git a/ld/testsuite/ld-i386/property-1.r b/ld/testsuite/ld-i386/property-1.r
> new file mode 100644
> index 0000000..d8f08c0
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-1.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: no copy on protected
> +
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-2.r b/ld/testsuite/ld-i386/property-2.r
> new file mode 100644
> index 0000000..5e3d156
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-2.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> +
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-3.r b/ld/testsuite/ld-i386/property-3.r
> new file mode 100644
> index 0000000..0ed91f5
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-3.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> + x86 ISA used: 586, SSE
> + x86 ISA needed: i486, 586
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-4.r b/ld/testsuite/ld-i386/property-4.r
> new file mode 100644
> index 0000000..cb2bc15
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-4.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> + x86 ISA used: i486, 586, SSE
> + x86 ISA needed: i486, 586, SSE
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-5.r b/ld/testsuite/ld-i386/property-5.r
> new file mode 100644
> index 0000000..5529650
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-5.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x900000
> + x86 ISA used: i486, 586, SSE
> + x86 ISA needed: i486, 586, SSE
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-6.r b/ld/testsuite/ld-i386/property-6.r
> new file mode 100644
> index 0000000..97a479f
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-6.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0xa00000
> +
> +#pass
> diff --git a/ld/testsuite/ld-i386/property-6a.c b/ld/testsuite/ld-i386/property-6a.c
> new file mode 100644
> index 0000000..c7cc10b
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-6a.c
> @@ -0,0 +1,7 @@
> +#include <stdio.h>
> +
> +void
> +property (void)
> +{
> + printf ("PASS\n");
> +}
> diff --git a/ld/testsuite/ld-i386/property-6b.c b/ld/testsuite/ld-i386/property-6b.c
> new file mode 100644
> index 0000000..5336b0e
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-6b.c
> @@ -0,0 +1,8 @@
> +extern void property (void);
> +
> +int
> +main ()
> +{
> + property ();
> + return 0;
> +}
> diff --git a/ld/testsuite/ld-i386/property-6c.S b/ld/testsuite/ld-i386/property-6c.S
> new file mode 100644
> index 0000000..13f729d
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-6c.S
> @@ -0,0 +1,18 @@
> + .section ".note.gnu.property", "a"
> + .p2align 2
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0xa00000 /* Stack size. */
> +5:
> + .p2align 2
> +3:
> diff --git a/ld/testsuite/ld-i386/property-no-copy.S b/ld/testsuite/ld-i386/property-no-copy.S
> new file mode 100644
> index 0000000..3116911
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-no-copy.S
> @@ -0,0 +1,15 @@
> + .section ".note.gnu.property", "a"
> + .p2align 2
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_NO_COPY_ON_PROTECTED */
> + .long 2 /* pr_type. */
> + .long 0 /* pr_datasz. */
> + .p2align 2
> +3:
> diff --git a/ld/testsuite/ld-i386/property-stack.S b/ld/testsuite/ld-i386/property-stack.S
> new file mode 100644
> index 0000000..5e9bcce
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-stack.S
> @@ -0,0 +1,18 @@
> + .section ".note.gnu.property", "a"
> + .p2align 2
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0x800000 /* Stack size. */
> +5:
> + .p2align 2
> +3:
> diff --git a/ld/testsuite/ld-i386/property-x86-1.S b/ld/testsuite/ld-i386/property-x86-1.S
> new file mode 100644
> index 0000000..953ca87
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-x86-1.S
> @@ -0,0 +1,32 @@
> + .section ".note.gnu.property", "a"
> + .p2align 2
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0x600000 /* Stack size. */
> +5:
> + .p2align 2
> + /* GNU_PROPERTY_X86_ISA_1_USED */
> + .long 0xc0000000 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0xa
> +5:
> + .p2align 2
> + /* GNU_PROPERTY_X86_ISA_1_NEEDED */
> + .long 0xc0000001 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0x3
> +5:
> + .p2align 2
> +3:
> diff --git a/ld/testsuite/ld-i386/property-x86-2.S b/ld/testsuite/ld-i386/property-x86-2.S
> new file mode 100644
> index 0000000..f11e1fe
> --- /dev/null
> +++ b/ld/testsuite/ld-i386/property-x86-2.S
> @@ -0,0 +1,25 @@
> + .section ".note.gnu.property", "a"
> + .p2align 2
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_X86_ISA_1_USED */
> + .long 0xc0000000 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0x3
> +5:
> + .p2align 2
> + /* GNU_PROPERTY_X86_ISA_1_NEEDED */
> + .long 0xc0000001 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0xa
> +5:
> + .p2align 2
> +3:
> diff --git a/ld/testsuite/ld-x86-64/pass.c b/ld/testsuite/ld-x86-64/pass.c
> new file mode 100644
> index 0000000..8fb892c
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/pass.c
> @@ -0,0 +1,8 @@
> +#include <stdio.h>
> +
> +int
> +main ()
> +{
> + printf ("PASS\n");
> + return 0;
> +}
> diff --git a/ld/testsuite/ld-x86-64/property-1.r b/ld/testsuite/ld-x86-64/property-1.r
> new file mode 100644
> index 0000000..d8f08c0
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-1.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: no copy on protected
> +
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-2.r b/ld/testsuite/ld-x86-64/property-2.r
> new file mode 100644
> index 0000000..5e3d156
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-2.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> +
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-3.r b/ld/testsuite/ld-x86-64/property-3.r
> new file mode 100644
> index 0000000..0ed91f5
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-3.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> + x86 ISA used: 586, SSE
> + x86 ISA needed: i486, 586
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-4.r b/ld/testsuite/ld-x86-64/property-4.r
> new file mode 100644
> index 0000000..cb2bc15
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-4.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x800000
> + x86 ISA used: i486, 586, SSE
> + x86 ISA needed: i486, 586, SSE
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-5.r b/ld/testsuite/ld-x86-64/property-5.r
> new file mode 100644
> index 0000000..5529650
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-5.r
> @@ -0,0 +1,8 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0x900000
> + x86 ISA used: i486, 586, SSE
> + x86 ISA needed: i486, 586, SSE
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-6.r b/ld/testsuite/ld-x86-64/property-6.r
> new file mode 100644
> index 0000000..97a479f
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-6.r
> @@ -0,0 +1,7 @@
> +#...
> +Displaying notes found in: .note.gnu.property
> + Owner Data size Description
> + GNU 0x[0-9a-f]+ NT_GNU_PROPERTY_TYPE_0
> + Properties: stack size: 0xa00000
> +
> +#pass
> diff --git a/ld/testsuite/ld-x86-64/property-6a.c b/ld/testsuite/ld-x86-64/property-6a.c
> new file mode 100644
> index 0000000..c7cc10b
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-6a.c
> @@ -0,0 +1,7 @@
> +#include <stdio.h>
> +
> +void
> +property (void)
> +{
> + printf ("PASS\n");
> +}
> diff --git a/ld/testsuite/ld-x86-64/property-6b.c b/ld/testsuite/ld-x86-64/property-6b.c
> new file mode 100644
> index 0000000..5336b0e
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-6b.c
> @@ -0,0 +1,8 @@
> +extern void property (void);
> +
> +int
> +main ()
> +{
> + property ();
> + return 0;
> +}
> diff --git a/ld/testsuite/ld-x86-64/property-6c.S b/ld/testsuite/ld-x86-64/property-6c.S
> new file mode 100644
> index 0000000..fbe4713
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-6c.S
> @@ -0,0 +1,23 @@
> +#ifdef __LP64__
> +# define ALIGN 3
> +#else
> +# define ALIGN 2
> +#endif
> + .section ".note.gnu.property", "a"
> + .p2align ALIGN
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0xa00000 /* Stack size. */
> +5:
> + .p2align ALIGN
> +3:
> diff --git a/ld/testsuite/ld-x86-64/property-no-copy.S b/ld/testsuite/ld-x86-64/property-no-copy.S
> new file mode 100644
> index 0000000..1b62f78
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-no-copy.S
> @@ -0,0 +1,20 @@
> +#ifdef __LP64__
> +# define ALIGN 3
> +#else
> +# define ALIGN 2
> +#endif
> + .section ".note.gnu.property", "a"
> + .p2align ALIGN
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_NO_COPY_ON_PROTECTED */
> + .long 2 /* pr_type. */
> + .long 0 /* pr_datasz. */
> + .p2align ALIGN
> +3:
> diff --git a/ld/testsuite/ld-x86-64/property-stack.S b/ld/testsuite/ld-x86-64/property-stack.S
> new file mode 100644
> index 0000000..ccf7820
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-stack.S
> @@ -0,0 +1,23 @@
> +#ifdef __LP64__
> +# define ALIGN 3
> +#else
> +# define ALIGN 2
> +#endif
> + .section ".note.gnu.property", "a"
> + .p2align ALIGN
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0x800000 /* Stack size. */
> +5:
> + .p2align ALIGN
> +3:
> diff --git a/ld/testsuite/ld-x86-64/property-x86-1.S b/ld/testsuite/ld-x86-64/property-x86-1.S
> new file mode 100644
> index 0000000..d2c1ff7
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-x86-1.S
> @@ -0,0 +1,37 @@
> +#ifdef __LP64__
> +# define ALIGN 3
> +#else
> +# define ALIGN 2
> +#endif
> + .section ".note.gnu.property", "a"
> + .p2align ALIGN
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_STACK_SIZE */
> + .long 1 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .dc.a 0x600000 /* Stack size. */
> +5:
> + .p2align ALIGN
> + /* GNU_PROPERTY_X86_ISA_1_USED */
> + .long 0xc0000000 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0xa
> +5:
> + .p2align ALIGN
> + /* GNU_PROPERTY_X86_ISA_1_NEEDED */
> + .long 0xc0000001 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0x3
> +5:
> + .p2align ALIGN
> +3:
> diff --git a/ld/testsuite/ld-x86-64/property-x86-2.S b/ld/testsuite/ld-x86-64/property-x86-2.S
> new file mode 100644
> index 0000000..a2f1b7a
> --- /dev/null
> +++ b/ld/testsuite/ld-x86-64/property-x86-2.S
> @@ -0,0 +1,30 @@
> +#ifdef __LP64__
> +# define ALIGN 3
> +#else
> +# define ALIGN 2
> +#endif
> + .section ".note.gnu.property", "a"
> + .p2align ALIGN
> + .long 1f - 0f /* name length. */
> + .long 3f - 1f /* data length. */
> + /* NT_GNU_PROPERTY_TYPE_0 */
> + .long 5 /* note type. */
> +0:
> + .asciz "GNU" /* vendor name. */
> +1:
> + .p2align 2
> + /* GNU_PROPERTY_X86_ISA_1_USED */
> + .long 0xc0000000 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0x3
> +5:
> + .p2align ALIGN
> + /* GNU_PROPERTY_X86_ISA_1_NEEDED */
> + .long 0xc0000001 /* pr_type. */
> + .long 5f - 4f /* pr_datasz. */
> +4:
> + .long 0xa
> +5:
> + .p2align ALIGN
> +3:
> diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
> index 8e4e422..070a2c2 100644
> --- a/ld/testsuite/ld-x86-64/x86-64.exp
> +++ b/ld/testsuite/ld-x86-64/x86-64.exp
> @@ -828,6 +828,158 @@ if { [isnative] && [which $CC] != 0 } {
> {{objdump {-dw} pr19319.dd}} \
> "pr19319" \
> ] \
> + [list \
> + "Build property 1" \
> + "" \
> + "" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1" \
> + ] \
> + [list \
> + "Build property 1 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1.o" \
> + ] \
> + [list \
> + "Build property 1 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {pass.c property-no-copy.S} \
> + {{readelf {-n} property-1.r}} \
> + "property-1.so" \
> + ] \
> + [list \
> + "Build property 2" \
> + "" \
> + "" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2" \
> + ] \
> + [list \
> + "Build property 2 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2.o" \
> + ] \
> + [list \
> + "Build property 2 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {pass.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-2.so" \
> + ] \
> + [list \
> + "Build property 3" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3" \
> + ] \
> + [list \
> + "Build property 3 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3.o" \
> + ] \
> + [list \
> + "Build property 3 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-3.r}} \
> + "property-3.so" \
> + ] \
> + [list \
> + "Build property 4" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4" \
> + ] \
> + [list \
> + "Build property 4 (.o)" \
> + "-r -nostdlib" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4.o" \
> + ] \
> + [list \
> + "Build property 4 (.so)" \
> + "-shared" \
> + "-fPIC" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4.so" \
> + ] \
> + [list \
> + "Build property 4 (-Wl,-z,stack-size=0)" \
> + "-Wl,-z,stack-size=0" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-4.r}} \
> + "property-4" \
> + ] \
> + [list \
> + "Build property 5" \
> + "-Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5" \
> + ] \
> + [list \
> + "Build property 5 (.o)" \
> + "-r -nostdlib -Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5.o" \
> + ] \
> + [list \
> + "Build property 5 (.so)" \
> + "-shared -Wl,-z,stack-size=0x900000" \
> + "-fPIC" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + {{readelf {-n} property-5.r}} \
> + "property-5.so" \
> + ] \
> + [list \
> + "Build property-6.so" \
> + "-shared" \
> + "-fPIC" \
> + {property-6a.c property-6c.S} \
> + {{readelf {-n} property-6.r}} \
> + "property-6.so" \
> + ] \
> + [list \
> + "Build property-6.o" \
> + "-r -nostdlib" \
> + "" \
> + {property-6b.c property-stack.S} \
> + {{readelf {-n} property-2.r}} \
> + "property-6.o" \
> + ] \
> + [list \
> + "Build property-6" \
> + "-Wl,--as-needed tmpdir/property-6.o tmpdir/property-6.so" \
> + { dummy.s } \
> + "" \
> + {{readelf {-n} property-2.r}} \
> + "property-6" \
> + ] \
> ]
>
> run_ld_link_exec_tests [list \
> @@ -898,6 +1050,111 @@ if { [isnative] && [which $CC] != 0 } {
> "gotpcrel1" \
> "gotpcrel1.out" \
> ] \
> + [list \
> + "Run property 1" \
> + "" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "property-1" "pass.out" \
> + ] \
> + [list \
> + "Run property 1 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "property-1-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 1 (static)" \
> + "-static" \
> + "" \
> + {pass.c property-no-copy.S} \
> + "roperty-1-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 2" \
> + "" \
> + "" \
> + {pass.c property-stack.S} \
> + "property-2" "pass.out" \
> + ] \
> + [list \
> + "Run property 2 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-stack.S} \
> + "property-2-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 2 (static)" \
> + "-static" \
> + "" \
> + {pass.c property-stack.S} \
> + "roperty-3-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 3" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S} \
> + "property-3" "pass.out" \
> + ] \
> + [list \
> + "Run property 3 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-x86-1.S property-stack.S} \
> + "property-3-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 3 (static)" \
> + "-static" \
> + "" \
> + {property-x86-1.S pass.c property-stack.S} \
> + "roperty-3-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 4" \
> + "" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + "property-4" "pass.out" \
> + ] \
> + [list \
> + "Run property 4 (PIE)" \
> + "-pie" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + "property-4-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 4 (static)" \
> + "-static" \
> + "" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + "roperty-4-static" "pass.out" \
> + ] \
> + [list \
> + "Run property 5" \
> + "-Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-stack.S property-x86-1.S property-x86-2.S} \
> + "property-5" "pass.out" \
> + ] \
> + [list \
> + "Run property 5 (PIE)" \
> + "-pie -Wl,-z,stack-size=0x900000" \
> + "" \
> + {pass.c property-x86-2.S property-x86-1.S property-stack.S} \
> + "property-5-pie" "pass.out" "-fPIE" \
> + ] \
> + [list \
> + "Run property 5 (static)" \
> + "-static -Wl,-z,stack-size=0x900000" \
> + "" \
> + {property-x86-2.S property-x86-1.S pass.c property-stack.S} \
> + "roperty-5-static" "pass.out" \
> + ] \
> ]
>
> # Run-time tests which require working ifunc attribute support.
> --
> 2.9.3
>
Any comments?
--
H.J.