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authorRichard Earnshaw <richard.earnshaw@arm.com>2002-01-16 13:01:54 +0000
committerRichard Earnshaw <richard.earnshaw@arm.com>2002-01-16 13:01:54 +0000
commit96a846ea2324acd8d167080c146ebea148453aeb (patch)
tree6fe0aa593bca57203508ce354853b969072efc3a
parentca4ebd1e04f9dec885ddc5b2499c99efbbf8eb8f (diff)
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* elf32-arm.h (elf32_arm_merge_private_bfd_data): Handle
EF_ARM_VFP_FLOAT. (elf32_arm_print_private_bfd_data): Likewise.
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elf32-arm.h49
2 files changed, 46 insertions, 9 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index cb50b2a..f72c429 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2002-01-16 Richard Earnshaw <rearnsha@arm.com>
+
+ * elf32-arm.h (elf32_arm_merge_private_bfd_data): Handle
+ EF_ARM_VFP_FLOAT.
+ (elf32_arm_print_private_bfd_data): Likewise.
+
2002-01-16 Nick Clifton <nickc@cambridge.redhat.com>
* po/tr.po: Import new version.
diff --git a/bfd/elf32-arm.h b/bfd/elf32-arm.h
index 9d0a405..ab8a6b3 100644
--- a/bfd/elf32-arm.h
+++ b/bfd/elf32-arm.h
@@ -2297,22 +2297,47 @@ Error: %s passes floats in integer registers, whereas %s passes them in FP regis
flags_compatible = false;
}
-#ifdef EF_ARM_SOFT_FLOAT
- if ((in_flags & EF_ARM_SOFT_FLOAT) != (out_flags & EF_ARM_SOFT_FLOAT))
+ if ((in_flags & EF_ARM_VFP_FLOAT) != (out_flags & EF_ARM_VFP_FLOAT))
{
- if (in_flags & EF_ARM_SOFT_FLOAT)
- _bfd_error_handler (_ ("\
-Error: %s uses software FP, whereas %s uses hardware FP"),
+ if (in_flags & EF_ARM_VFP_FLOAT)
+ _bfd_error_handler (_("\
+Error: %s uses VFP instructions, whereas %s FPA instructions"),
bfd_archive_filename (ibfd),
bfd_get_filename (obfd));
else
- _bfd_error_handler (_ ("\
-Error: %s uses hardware FP, whereas %s uses software FP"),
+ _bfd_error_handler (_("\
+Error: %s uses FPA instructions, whereas %s VFP instructions"),
bfd_archive_filename (ibfd),
bfd_get_filename (obfd));
flags_compatible = false;
}
+
+#ifdef EF_ARM_SOFT_FLOAT
+ if ((in_flags & EF_ARM_SOFT_FLOAT) != (out_flags & EF_ARM_SOFT_FLOAT))
+ {
+ /* We can allow interworking between code that is VFP format
+ layout, and uses either soft float or integer regs for
+ passing floating point arguments and results. We already
+ know that the APCS_FLOAT flags match; similarly for VFP
+ flags. */
+ if ((in_flags & EF_ARM_APCS_FLOAT) != 0
+ || (in_flags & EF_ARM_VFP_FLOAT) == 0)
+ {
+ if (in_flags & EF_ARM_SOFT_FLOAT)
+ _bfd_error_handler (_ ("\
+Error: %s uses software FP, whereas %s uses hardware FP"),
+ bfd_archive_filename (ibfd),
+ bfd_get_filename (obfd));
+ else
+ _bfd_error_handler (_ ("\
+Error: %s uses hardware FP, whereas %s uses software FP"),
+ bfd_archive_filename (ibfd),
+ bfd_get_filename (obfd));
+
+ flags_compatible = false;
+ }
+ }
#endif
/* Interworking mismatch is only a warning. */
@@ -2374,6 +2399,11 @@ elf32_arm_print_private_bfd_data (abfd, ptr)
else
fprintf (file, _(" [APCS-32]"));
+ if (flags & EF_ARM_VFP_FLOAT)
+ fprintf (file, _(" [VFP float format]"));
+ else
+ fprintf (file, _(" [FPA float format]"));
+
if (flags & EF_ARM_APCS_FLOAT)
fprintf (file, _(" [floats passed in float registers]"));
@@ -2389,8 +2419,9 @@ elf32_arm_print_private_bfd_data (abfd, ptr)
if (flags & EF_ARM_SOFT_FLOAT)
fprintf (file, _(" [software FP]"));
- flags &= ~(EF_ARM_INTERWORK | EF_ARM_APCS_26 | EF_ARM_APCS_FLOAT | EF_ARM_PIC
- | EF_ARM_NEW_ABI | EF_ARM_OLD_ABI | EF_ARM_SOFT_FLOAT);
+ flags &= ~(EF_ARM_INTERWORK | EF_ARM_APCS_26 | EF_ARM_APCS_FLOAT
+ | EF_ARM_PIC | EF_ARM_NEW_ABI | EF_ARM_OLD_ABI
+ | EF_ARM_SOFT_FLOAT | EF_ARM_VFP_FLOAT);
break;
case EF_ARM_EABI_VER1: