along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
typedef unsigned long int insn32;
typedef unsigned short int insn16;
int no_pipeline_knowledge;
};
-
/* Create an entry in an ARM ELF linker hash table. */
static struct bfd_hash_entry *
}
}
- /* If the relocation is not against a symbol it cannot concern us. */
+ /* If the relocation is not against a symbol it cannot concern us. */
h = NULL;
/* We don't care about local symbols. */
(bfd_vma) 0);
case R_ARM_GOTPC:
- /* Use global offset table as symbol value. */
+ /* Use global offset table as symbol value. */
BFD_ASSERT (sgot != NULL);
if (sgot == NULL)
switch (r)
{
case bfd_reloc_overflow:
- if (!((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
+ /* If the overflowing reloc was to an undefined symbol,
+ we have already printed one error message and there
+ is no point complaining again. */
+ if ((! h ||
+ h->root.type != bfd_link_hash_undefined)
+ && (!((*info->callbacks->reloc_overflow)
+ (info, name, howto->name, (bfd_vma) 0,
+ input_bfd, input_section, rel->r_offset))))
+ return false;
break;
case bfd_reloc_undefined:
&& EF_ARM_EABI_VERSION (out_flags) == EF_ARM_EABI_UNKNOWN
&& in_flags != out_flags)
{
- /* Cannot mix PIC and non-PIC code. */
- if ((in_flags & EF_PIC) != (out_flags & EF_PIC))
- return false;
-
/* Cannot mix APCS26 and APCS32 code. */
if ((in_flags & EF_APCS_26) != (out_flags & EF_APCS_26))
return false;
in_flags &= ~EF_INTERWORK;
}
+
+ /* Likewise for PIC, though don't warn for this case. */
+ if ((in_flags & EF_PIC) != (out_flags & EF_PIC))
+ in_flags &= ~EF_PIC;
}
elf_elfheader (obfd)->e_flags = in_flags;
{
flagword out_flags;
flagword in_flags;
+ boolean flags_compatible = true;
+ boolean null_input_bfd = true;
+ asection *sec;
/* Check if we have the same endianess. */
if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
return true;
}
- /* Check flag compatibility. */
+ /* Identical flags must be compatible. */
if (in_flags == out_flags)
return true;
+ /* Check to see if the input BFD actually contains any sections.
+ If not, its flags may not have been initialised either, but it cannot
+ actually cause any incompatibility. */
+ for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+ {
+ /* Ignore synthetic glue sections. */
+ if (strcmp (sec->name, ".glue_7")
+ && strcmp (sec->name, ".glue_7t"))
+ {
+ null_input_bfd = false;
+ break;
+ }
+ }
+ if (null_input_bfd)
+ return true;
+
/* Complain about various flag mismatches. */
if (EF_ARM_EABI_VERSION (in_flags) != EF_ARM_EABI_VERSION (out_flags))
{
(in_flags & EF_ARM_EABIMASK) >> 24,
bfd_get_filename (obfd),
(out_flags & EF_ARM_EABIMASK) >> 24);
+ return false;
}
- else if (EF_ARM_EABI_VERSION (in_flags) != EF_ARM_EABI_UNKNOWN)
- /* Not sure what needs to be checked for EABI versions >= 1. */
- return true;
- if ((in_flags & EF_APCS_26) != (out_flags & EF_APCS_26))
- _bfd_error_handler (_("\
+ /* Not sure what needs to be checked for EABI versions >= 1. */
+ if (EF_ARM_EABI_VERSION (in_flags) == EF_ARM_EABI_UNKNOWN)
+ {
+ if ((in_flags & EF_APCS_26) != (out_flags & EF_APCS_26))
+ {
+ _bfd_error_handler (_("\
Error: %s compiled for APCS-%d, whereas %s is compiled for APCS-%d"),
bfd_get_filename (ibfd),
in_flags & EF_APCS_26 ? 26 : 32,
bfd_get_filename (obfd),
out_flags & EF_APCS_26 ? 26 : 32);
+ flags_compatible = false;
+ }
- if ((in_flags & EF_APCS_FLOAT) != (out_flags & EF_APCS_FLOAT))
- _bfd_error_handler (_("\
+ if ((in_flags & EF_APCS_FLOAT) != (out_flags & EF_APCS_FLOAT))
+ {
+ _bfd_error_handler (_("\
Error: %s passes floats in %s registers, whereas %s passes them in %s registers"),
bfd_get_filename (ibfd),
in_flags & EF_APCS_FLOAT ? _("float") : _("integer"),
bfd_get_filename (obfd),
out_flags & EF_APCS_26 ? _("float") : _("integer"));
+ flags_compatible = false;
+ }
- if ((in_flags & EF_PIC) != (out_flags & EF_PIC))
- _bfd_error_handler (_("\
-Error: %s is compiled as position %s code, whereas %s is not"),
- bfd_get_filename (ibfd),
- in_flags & EF_PIC ? _("independent") : _("dependent"),
- bfd_get_filename (obfd));
+#ifdef EF_SOFT_FLOAT
+ if ((in_flags & EF_SOFT_FLOAT) != (out_flags & EF_SOFT_FLOAT))
+ {
+ _bfd_error_handler (_ ("\
+Error: %s uses %s floating point, whereas %s uses %s floating point"),
+ bfd_get_filename (ibfd),
+ in_flags & EF_SOFT_FLOAT ? _("soft") : _("hard"),
+ bfd_get_filename (obfd),
+ out_flags & EF_SOFT_FLOAT ? _("soft") : _("hard"));
+ flags_compatible = false;
+ }
+#endif
- /* Interworking mismatch is only a warning. */
- if ((in_flags & EF_INTERWORK) != (out_flags & EF_INTERWORK))
- {
- _bfd_error_handler (_("\
+ /* Interworking mismatch is only a warning. */
+ if ((in_flags & EF_INTERWORK) != (out_flags & EF_INTERWORK))
+ _bfd_error_handler (_("\
Warning: %s %s interworking, whereas %s %s"),
bfd_get_filename (ibfd),
in_flags & EF_INTERWORK ? _("supports") : _("does not support"),
bfd_get_filename (obfd),
out_flags & EF_INTERWORK ? _("does not") : _("does"));
- return true;
}
- return false;
+ return flags_compatible;
}
/* Display the flags field. */
return true;
}
-
/* Find the nearest line to a particular section and offset, for error
reporting. This code is a duplicate of the code in elf.c, except
that it also accepts STT_ARM_TFUNC as a symbol that names a function. */
i_ehdrp->e_ident[EI_ABIVERSION] = ARM_ELF_ABI_VERSION;
}
-
#define ELF_ARCH bfd_arch_arm
#define ELF_MACHINE_CODE EM_ARM
#define ELF_MAXPAGESIZE 0x8000
-
#define bfd_elf32_bfd_copy_private_bfd_data elf32_arm_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data elf32_arm_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags elf32_arm_set_private_flags
projects / binutils-gdb.git / blobdiff