svn commit: r281048 - in head/contrib/binutils: bfd include/elf
Andrew Turner
andrew at FreeBSD.org
Fri Apr 3 19:33:29 UTC 2015
Author: andrew
Date: Fri Apr 3 19:33:26 2015
New Revision: 281048
URL: https://svnweb.freebsd.org/changeset/base/281048
Log:
More ARM EABI object attributes in binutils. This adds support to binutils
to include the Unaligned Access and Floating-point Half-precision
attributes. the former marks ELF objects that may access ARMv6 style
unaligned data, the latter that the binary uses the VFPv3/Advanced SIMD
half-precision extension.
These may be emmitted by clang so it's best to print a warning when the
linker hits one of them.
Differential Revision: http://reviews.freebsd.org/D2194
Submitted by: Michal Meloun <meloun at miracle.cz>
MFC after: 1 week
Modified:
head/contrib/binutils/bfd/elf-bfd.h
head/contrib/binutils/bfd/elf32-arm.c
head/contrib/binutils/include/elf/arm.h
Modified: head/contrib/binutils/bfd/elf-bfd.h
==============================================================================
--- head/contrib/binutils/bfd/elf-bfd.h Fri Apr 3 18:42:38 2015 (r281047)
+++ head/contrib/binutils/bfd/elf-bfd.h Fri Apr 3 19:33:26 2015 (r281048)
@@ -1286,7 +1286,7 @@ struct elf_find_verdep_info
};
/* The maximum number of known object attributes for any target. */
-#define NUM_KNOWN_OBJ_ATTRIBUTES 32
+#define NUM_KNOWN_OBJ_ATTRIBUTES 71
/* The value of an object attribute. type & 1 indicates whether there
is an integer value; type & 2 indicates whether there is a string
Modified: head/contrib/binutils/bfd/elf32-arm.c
==============================================================================
--- head/contrib/binutils/bfd/elf32-arm.c Fri Apr 3 18:42:38 2015 (r281047)
+++ head/contrib/binutils/bfd/elf32-arm.c Fri Apr 3 19:33:26 2015 (r281048)
@@ -6835,6 +6835,8 @@ elf32_arm_merge_eabi_attributes (bfd *ib
case Tag_ABI_FP_number_model:
case Tag_ABI_align8_preserved:
case Tag_ABI_HardFP_use:
+ case Tag_CPU_unaligned_access:
+ case Tag_FP_HP_extension:
/* Use the largest value specified. */
if (in_attr[i].i > out_attr[i].i)
out_attr[i].i = in_attr[i].i;
@@ -6951,7 +6953,9 @@ elf32_arm_merge_eabi_attributes (bfd *ib
}
break;
default: /* All known attributes should be explicitly covered. */
- abort ();
+ /* XXX Not now */
+ /* abort (); */
+ break;
}
}
Modified: head/contrib/binutils/include/elf/arm.h
==============================================================================
--- head/contrib/binutils/include/elf/arm.h Fri Apr 3 18:42:38 2015 (r281047)
+++ head/contrib/binutils/include/elf/arm.h Fri Apr 3 19:33:26 2015 (r281048)
@@ -271,7 +271,11 @@ enum
Tag_ABI_optimization_goals,
Tag_ABI_FP_optimization_goals,
/* 32 is generic. */
-
+ Tag_CPU_unaligned_access = 34,
+ Tag_FP_HP_extension = 36,
+ Tag_ABI_FP_16bit_format = 38,
+ Tag_MPextension_use = 42,
+ Tag_DIV_use = 44,
Tag_Virtualization_use = 68,
};
More information about the svn-src-all
mailing list