* elfxx-mips.c (mips_elf_merge_obj_attributes): New.
(_bfd_mips_elf_merge_private_bfd_data): Call it.
binutils:
* readelf.c (display_mips_gnu_attribute): New.
(process_mips_specific): Call process_attributes.
include/elf:
* mips.h (Tag_GNU_MIPS_ABI_FP): Define.
ld/testsuite:
* ld-mips-elf/attr-gnu-4-0.s, ld-mips-elf/attr-gnu-4-00.d,
ld-mips-elf/attr-gnu-4-01.d, ld-mips-elf/attr-gnu-4-02.d,
ld-mips-elf/attr-gnu-4-03.d, ld-mips-elf/attr-gnu-4-1.s,
ld-mips-elf/attr-gnu-4-10.d, ld-mips-elf/attr-gnu-4-11.d,
ld-mips-elf/attr-gnu-4-12.d, ld-mips-elf/attr-gnu-4-13.d,
ld-mips-elf/attr-gnu-4-14.d, ld-mips-elf/attr-gnu-4-2.s,
ld-mips-elf/attr-gnu-4-20.d, ld-mips-elf/attr-gnu-4-21.d,
ld-mips-elf/attr-gnu-4-22.d, ld-mips-elf/attr-gnu-4-23.d,
ld-mips-elf/attr-gnu-4-3.s, ld-mips-elf/attr-gnu-4-30.d,
ld-mips-elf/attr-gnu-4-31.d, ld-mips-elf/attr-gnu-4-32.d,
ld-mips-elf/attr-gnu-4-33.d, ld-mips-elf/attr-gnu-4-4.s,
ld-mips-elf/attr-gnu-4-41.d: New.
* ld-mips-elf/mips-elf.exp: Run these new tests.
2007-06-29 Joseph Myers <joseph@codesourcery.com>
+ * elfxx-mips.c (mips_elf_merge_obj_attributes): New.
+ (_bfd_mips_elf_merge_private_bfd_data): Call it.
+
+2007-06-29 Joseph Myers <joseph@codesourcery.com>
+
* elf-attrs.c: New.
* Makefile.am (BFD32_BACKENDS): Add elf-attrs.lo.
(BFD32_BACKENDS_CFILES): Add elf-attrs.c.
}
+/* Merge object attributes from IBFD into OBFD. Raise an error if
+ there are conflicting attributes. */
+static bfd_boolean
+mips_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
+{
+ obj_attribute *in_attr;
+ obj_attribute *out_attr;
+
+ if (!elf_known_obj_attributes_proc (obfd)[0].i)
+ {
+ /* This is the first object. Copy the attributes. */
+ _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
+ /* Use the Tag_null value to indicate the attributes have been
+ initialized. */
+ elf_known_obj_attributes_proc (obfd)[0].i = 1;
+
+ return TRUE;
+ }
+
+ /* Check for conflicting Tag_GNU_MIPS_ABI_FP attributes and merge
+ non-conflicting ones. */
+ in_attr = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
+ out_attr = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
+ if (in_attr[Tag_GNU_MIPS_ABI_FP].i != out_attr[Tag_GNU_MIPS_ABI_FP].i)
+ {
+ out_attr[Tag_GNU_MIPS_ABI_FP].type = 1;
+ if (out_attr[Tag_GNU_MIPS_ABI_FP].i == 0)
+ out_attr[Tag_GNU_MIPS_ABI_FP].i = in_attr[Tag_GNU_MIPS_ABI_FP].i;
+ else if (in_attr[Tag_GNU_MIPS_ABI_FP].i == 0)
+ ;
+ else if (in_attr[Tag_GNU_MIPS_ABI_FP].i > 3)
+ _bfd_error_handler
+ (_("Warning: %B uses unknown floating point ABI %d"), ibfd,
+ in_attr[Tag_GNU_MIPS_ABI_FP].i);
+ else if (out_attr[Tag_GNU_MIPS_ABI_FP].i > 3)
+ _bfd_error_handler
+ (_("Warning: %B uses unknown floating point ABI %d"), obfd,
+ out_attr[Tag_GNU_MIPS_ABI_FP].i);
+ else
+ switch (out_attr[Tag_GNU_MIPS_ABI_FP].i)
+ {
+ case 1:
+ switch (in_attr[Tag_GNU_MIPS_ABI_FP].i)
+ {
+ case 2:
+ _bfd_error_handler
+ (_("Warning: %B uses -msingle-float, %B uses -mdouble-float"),
+ obfd, ibfd);
+
+ case 3:
+ _bfd_error_handler
+ (_("Warning: %B uses hard float, %B uses soft float"),
+ obfd, ibfd);
+ break;
+
+ default:
+ abort ();
+ }
+ break;
+
+ case 2:
+ switch (in_attr[Tag_GNU_MIPS_ABI_FP].i)
+ {
+ case 1:
+ _bfd_error_handler
+ (_("Warning: %B uses -msingle-float, %B uses -mdouble-float"),
+ ibfd, obfd);
+
+ case 3:
+ _bfd_error_handler
+ (_("Warning: %B uses hard float, %B uses soft float"),
+ obfd, ibfd);
+ break;
+
+ default:
+ abort ();
+ }
+ break;
+
+ case 3:
+ switch (in_attr[Tag_GNU_MIPS_ABI_FP].i)
+ {
+ case 1:
+ case 2:
+ _bfd_error_handler
+ (_("Warning: %B uses hard float, %B uses soft float"),
+ ibfd, obfd);
+ break;
+
+ default:
+ abort ();
+ }
+ break;
+
+ default:
+ abort ();
+ }
+ }
+
+ /* Merge Tag_compatibility attributes and any common GNU ones. */
+ _bfd_elf_merge_object_attributes (ibfd, obfd);
+
+ return TRUE;
+}
+
/* Merge backend specific data from an object file to the output
object file when linking. */
return FALSE;
}
+ if (!mips_elf_merge_obj_attributes (ibfd, obfd))
+ return FALSE;
+
new_flags = elf_elfheader (ibfd)->e_flags;
elf_elfheader (obfd)->e_flags |= new_flags & EF_MIPS_NOREORDER;
old_flags = elf_elfheader (obfd)->e_flags;
2007-06-29 Joseph Myers <joseph@codesourcery.com>
+ * readelf.c (display_mips_gnu_attribute): New.
+ (process_mips_specific): Call process_attributes.
+
+2007-06-29 Joseph Myers <joseph@codesourcery.com>
+
* readelf.c (display_gnu_attribute): New.
(process_arm_specific): Rearrange as process_attributes.
(process_arm_specific): Replace by wrapper of process_attributes.
return p;
}
+static unsigned char *
+display_mips_gnu_attribute (unsigned char *p, int tag)
+{
+ int type;
+ unsigned int len;
+ int val;
+
+ if (tag == Tag_GNU_MIPS_ABI_FP)
+ {
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_GNU_MIPS_ABI_FP: ");
+ switch (val)
+ {
+ case 0:
+ printf ("Hard or soft float\n");
+ break;
+ case 1:
+ printf ("Hard float (-mdouble-float)\n");
+ break;
+ case 2:
+ printf ("Hard float (-msingle-float)\n");
+ break;
+ case 3:
+ printf ("Soft float\n");
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+ }
+
+ if (tag & 1)
+ type = 1; /* String. */
+ else
+ type = 2; /* uleb128. */
+ printf (" Tag_unknown_%d: ", tag);
+
+ if (type == 1)
+ {
+ printf ("\"%s\"\n", p);
+ p += strlen ((char *)p) + 1;
+ }
+ else
+ {
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf ("%d (0x%x)\n", val, val);
+ }
+
+ return p;
+}
+
static int
process_attributes (FILE *file, const char *public_name,
unsigned int proc_type,
size_t options_offset = 0;
size_t conflicts_offset = 0;
+ process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL,
+ display_mips_gnu_attribute);
+
/* We have a lot of special sections. Thanks SGI! */
if (dynamic_section == NULL)
/* No information available. */
2007-06-29 Joseph Myers <joseph@codesourcery.com>
+ * mips.h (Tag_GNU_MIPS_ABI_FP): Define.
+
+2007-06-29 Joseph Myers <joseph@codesourcery.com>
+
* arm.h (elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
elf32_arm_get_eabi_attr_int, elf32_arm_set_eabi_attr_contents,
#define OHWA0_R4KEOP_CLEAN 0x00000002
\f
+/* Object attribute tags. */
+enum
+{
+ /* 0-3 are generic. */
+ Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2
+ for hard-float -msingle-float, 3 for
+ soft-float; 0 for not tagged or not
+ using any ABIs affected by the
+ differences. */
+};
+
#endif /* _ELF_MIPS_H */
+2007-06-29 Joseph Myers <joseph@codesourcery.com>
+
+ * ld-mips-elf/attr-gnu-4-0.s, ld-mips-elf/attr-gnu-4-00.d,
+ ld-mips-elf/attr-gnu-4-01.d, ld-mips-elf/attr-gnu-4-02.d,
+ ld-mips-elf/attr-gnu-4-03.d, ld-mips-elf/attr-gnu-4-1.s,
+ ld-mips-elf/attr-gnu-4-10.d, ld-mips-elf/attr-gnu-4-11.d,
+ ld-mips-elf/attr-gnu-4-12.d, ld-mips-elf/attr-gnu-4-13.d,
+ ld-mips-elf/attr-gnu-4-14.d, ld-mips-elf/attr-gnu-4-2.s,
+ ld-mips-elf/attr-gnu-4-20.d, ld-mips-elf/attr-gnu-4-21.d,
+ ld-mips-elf/attr-gnu-4-22.d, ld-mips-elf/attr-gnu-4-23.d,
+ ld-mips-elf/attr-gnu-4-3.s, ld-mips-elf/attr-gnu-4-30.d,
+ ld-mips-elf/attr-gnu-4-31.d, ld-mips-elf/attr-gnu-4-32.d,
+ ld-mips-elf/attr-gnu-4-33.d, ld-mips-elf/attr-gnu-4-4.s,
+ ld-mips-elf/attr-gnu-4-41.d: New.
+ * ld-mips-elf/mips-elf.exp: Run these new tests.
+
2007-06-29 Paul Brook <paul@codesourcery.com>
* ld-arm/arm-elf.exp (armelftests): Add callweak.
--- /dev/null
+.gnu_attribute 4,0
--- /dev/null
+#source: attr-gnu-4-0.s
+#source: attr-gnu-4-0.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
--- /dev/null
+#source: attr-gnu-4-0.s
+#source: attr-gnu-4-1.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-mdouble-float\)
--- /dev/null
+#source: attr-gnu-4-0.s
+#source: attr-gnu-4-2.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-msingle-float\)
--- /dev/null
+#source: attr-gnu-4-0.s
+#source: attr-gnu-4-3.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Soft float
--- /dev/null
+.gnu_attribute 4,1
--- /dev/null
+#source: attr-gnu-4-1.s
+#source: attr-gnu-4-0.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-mdouble-float\)
--- /dev/null
+#source: attr-gnu-4-1.s
+#source: attr-gnu-4-1.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-mdouble-float\)
--- /dev/null
+#source: attr-gnu-4-1.s
+#source: attr-gnu-4-2.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses -msingle-float, .* uses -mdouble-float
+#target: mips*-*-*
--- /dev/null
+#source: attr-gnu-4-1.s
+#source: attr-gnu-4-3.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses hard float, .* uses soft float
+#target: mips*-*-*
--- /dev/null
+#source: attr-gnu-4-1.s
+#source: attr-gnu-4-4.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses unknown floating point ABI 4
+#target: mips*-*-*
--- /dev/null
+.gnu_attribute 4,2
--- /dev/null
+#source: attr-gnu-4-2.s
+#source: attr-gnu-4-0.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-msingle-float\)
--- /dev/null
+#source: attr-gnu-4-2.s
+#source: attr-gnu-4-1.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses -msingle-float, .* uses -mdouble-float
+#target: mips*-*-*
--- /dev/null
+#source: attr-gnu-4-2.s
+#source: attr-gnu-4-2.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Hard float \(-msingle-float\)
--- /dev/null
+#source: attr-gnu-4-2.s
+#source: attr-gnu-4-3.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses hard float, .* uses soft float
+#target: mips*-*-*
--- /dev/null
+.gnu_attribute 4,3
--- /dev/null
+#source: attr-gnu-4-3.s
+#source: attr-gnu-4-0.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Soft float
--- /dev/null
+#source: attr-gnu-4-3.s
+#source: attr-gnu-4-1.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses hard float, .* uses soft float
+#target: mips*-*-*
--- /dev/null
+#source: attr-gnu-4-3.s
+#source: attr-gnu-4-2.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses hard float, .* uses soft float
+#target: mips*-*-*
--- /dev/null
+#source: attr-gnu-4-3.s
+#source: attr-gnu-4-3.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#readelf: -A
+#target: mips*-*-*
+
+Attribute Section: gnu
+File Attributes
+ Tag_GNU_MIPS_ABI_FP: Soft float
--- /dev/null
+.gnu_attribute 4,4
--- /dev/null
+#source: attr-gnu-4-4.s
+#source: attr-gnu-4-1.s
+#as: -EB -32
+#ld: -r -melf32btsmip
+#warning: Warning: .* uses unknown floating point ABI 4
+#target: mips*-*-*
run_ld_link_tests $mips16_intermix_test
run_dump_test "mips16-local-stubs-1"
+
+run_dump_test "attr-gnu-4-00"
+run_dump_test "attr-gnu-4-01"
+run_dump_test "attr-gnu-4-02"
+run_dump_test "attr-gnu-4-03"
+run_dump_test "attr-gnu-4-10"
+run_dump_test "attr-gnu-4-11"
+run_dump_test "attr-gnu-4-12"
+run_dump_test "attr-gnu-4-13"
+run_dump_test "attr-gnu-4-14"
+run_dump_test "attr-gnu-4-20"
+run_dump_test "attr-gnu-4-21"
+run_dump_test "attr-gnu-4-22"
+run_dump_test "attr-gnu-4-23"
+run_dump_test "attr-gnu-4-30"
+run_dump_test "attr-gnu-4-31"
+run_dump_test "attr-gnu-4-32"
+run_dump_test "attr-gnu-4-33"
+run_dump_test "attr-gnu-4-41"