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authorAndrew Hsieh <andrewhsieh@google.com>2014-12-09 17:57:18 +0800
committerAndrew Hsieh <andrewhsieh@google.com>2014-12-09 19:50:14 +0800
commit5e8c1cf25beccac1d22d10dc866912394f42771b (patch)
treeee16b70f804484dc8e434e647e699ab50da2620f /binutils-2.25/bfd/elf64-mips.c
parent8eebd7953384e6662ca926b003f2cdda8ccd3ee5 (diff)
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[2.25] sync to a30720e3e633f275250e26f85ccae5dbdddfb6c6
local patches will be re-applied later commit a30720e3e633f275250e26f85ccae5dbdddfb6c6 Author: Alan Modra <amodra@gmail.com> Date: Wed Nov 19 10:30:16 2014 +1030 daily update Change-Id: Ieb2a3f4dd2ecb289ac5305ff08d428b2847494ab
Diffstat (limited to 'binutils-2.25/bfd/elf64-mips.c')
-rw-r--r--binutils-2.25/bfd/elf64-mips.c234
1 files changed, 208 insertions, 26 deletions
diff --git a/binutils-2.25/bfd/elf64-mips.c b/binutils-2.25/bfd/elf64-mips.c
index a0c5cc5..2f323c6 100644
--- a/binutils-2.25/bfd/elf64-mips.c
+++ b/binutils-2.25/bfd/elf64-mips.c
@@ -1,7 +1,5 @@
/* MIPS-specific support for 64-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2014 Free Software Foundation, Inc.
Ian Lance Taylor, Cygnus Support
Linker support added by Mark Mitchell, CodeSourcery, LLC.
<mark@codesourcery.com>
@@ -130,8 +128,8 @@ static bfd_boolean elf64_mips_grok_prstatus
static bfd_boolean elf64_mips_grok_psinfo
(bfd *, Elf_Internal_Note *);
-extern const bfd_target bfd_elf64_bigmips_vec;
-extern const bfd_target bfd_elf64_littlemips_vec;
+extern const bfd_target mips_elf64_be_vec;
+extern const bfd_target mips_elf64_le_vec;
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
from smaller values. Start with zero, widen, *then* decrement. */
@@ -807,6 +805,100 @@ static reloc_howto_type mips_elf64_howto_table_rel[] =
0x0, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ EMPTY_HOWTO (52),
+ EMPTY_HOWTO (53),
+ EMPTY_HOWTO (54),
+ EMPTY_HOWTO (55),
+ EMPTY_HOWTO (56),
+ EMPTY_HOWTO (57),
+ EMPTY_HOWTO (58),
+ EMPTY_HOWTO (59),
+
+ HOWTO (R_MIPS_PC21_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 21, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC21_S2", /* name */
+ TRUE, /* partial_inplace */
+ 0x001fffff, /* src_mask */
+ 0x001fffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC26_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC26_S2", /* name */
+ TRUE, /* partial_inplace */
+ 0x03ffffff, /* src_mask */
+ 0x03ffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC18_S3, /* type */
+ 3, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 18, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC18_S3", /* name */
+ TRUE, /* partial_inplace */
+ 0x0003ffff, /* src_mask */
+ 0x0003ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC19_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 19, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC19_S2", /* name */
+ TRUE, /* partial_inplace */
+ 0x0007ffff, /* src_mask */
+ 0x0007ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PCHI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PCHI16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PCLO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PCLO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
};
/* The relocation table used for SHT_RELA sections. */
@@ -1494,6 +1586,100 @@ static reloc_howto_type mips_elf64_howto_table_rela[] =
0x0, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
+
+ EMPTY_HOWTO (52),
+ EMPTY_HOWTO (53),
+ EMPTY_HOWTO (54),
+ EMPTY_HOWTO (55),
+ EMPTY_HOWTO (56),
+ EMPTY_HOWTO (57),
+ EMPTY_HOWTO (58),
+ EMPTY_HOWTO (59),
+
+ HOWTO (R_MIPS_PC21_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 21, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC21_S2", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x001fffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC26_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC26_S2", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x03ffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC18_S3, /* type */
+ 3, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 18, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC18_S3", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0003ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PC19_S2, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 19, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PC19_S2", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PCHI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PCHI16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_MIPS_PCLO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_mips_elf_generic_reloc, /* special_function */
+ "R_MIPS_PCLO16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
};
static reloc_howto_type mips16_elf64_howto_table_rel[] =
@@ -3204,7 +3390,13 @@ static const struct elf_reloc_map mips_reloc_map[] =
{ BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
{ BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
{ BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
- { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }
+ { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 },
+ { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 },
+ { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 },
+ { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 },
+ { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 },
+ { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 },
+ { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 }
};
static const struct elf_reloc_map mips16_reloc_map[] =
@@ -4033,8 +4225,8 @@ mips_elf64_object_p (bfd *abfd)
static irix_compat_t
elf64_mips_irix_compat (bfd *abfd)
{
- if ((abfd->xvec == &bfd_elf64_bigmips_vec)
- || (abfd->xvec == &bfd_elf64_littlemips_vec))
+ if ((abfd->xvec == &mips_elf64_be_vec)
+ || (abfd->xvec == &mips_elf64_le_vec))
return ict_irix6;
else
return ict_none;
@@ -4187,6 +4379,8 @@ const struct elf_size_info mips_elf64_size_info =
#define elf_backend_collect TRUE
#define elf_backend_type_change_ok TRUE
#define elf_backend_can_gc_sections TRUE
+#define elf_backend_gc_mark_extra_sections \
+ _bfd_mips_elf_gc_mark_extra_sections
#define elf_info_to_howto mips_elf64_info_to_howto_rela
#define elf_info_to_howto_rel mips_elf64_info_to_howto_rel
#define elf_backend_object_p mips_elf64_object_p
@@ -4302,9 +4496,9 @@ extern bfd_boolean bfd_elf64_archive_write_armap
_bfd_archive_coff_update_armap_timestamp
/* The SGI style (n)64 NewABI. */
-#define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec
+#define TARGET_LITTLE_SYM mips_elf64_le_vec
#define TARGET_LITTLE_NAME "elf64-littlemips"
-#define TARGET_BIG_SYM bfd_elf64_bigmips_vec
+#define TARGET_BIG_SYM mips_elf64_be_vec
#define TARGET_BIG_NAME "elf64-bigmips"
#define ELF_MAXPAGESIZE 0x10000
@@ -4321,9 +4515,9 @@ extern bfd_boolean bfd_elf64_archive_write_armap
#undef ELF_MAXPAGESIZE
#undef ELF_COMMONPAGESIZE
-#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec
+#define TARGET_LITTLE_SYM mips_elf64_trad_le_vec
#define TARGET_LITTLE_NAME "elf64-tradlittlemips"
-#define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec
+#define TARGET_BIG_SYM mips_elf64_trad_be_vec
#define TARGET_BIG_NAME "elf64-tradbigmips"
#define ELF_MAXPAGESIZE 0x10000
@@ -4341,26 +4535,14 @@ extern bfd_boolean bfd_elf64_archive_write_armap
#undef TARGET_BIG_SYM
#undef TARGET_BIG_NAME
-#define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_freebsd_vec
+#define TARGET_LITTLE_SYM mips_elf64_tradfbsd_le_vec
#define TARGET_LITTLE_NAME "elf64-tradlittlemips-freebsd"
-#define TARGET_BIG_SYM bfd_elf64_tradbigmips_freebsd_vec
+#define TARGET_BIG_SYM mips_elf64_tradfbsd_be_vec
#define TARGET_BIG_NAME "elf64-tradbigmips-freebsd"
#undef ELF_OSABI
#define ELF_OSABI ELFOSABI_FREEBSD
-/* The kernel recognizes executables as valid only if they carry a
- "FreeBSD" label in the ELF header. So we put this label on all
- executables and (for simplicity) also all other object files. */
-
-static void
-elf_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info)
-{
- _bfd_elf_set_osabi (abfd, info);
-}
-
-#undef elf_backend_post_process_headers
-#define elf_backend_post_process_headers elf_fbsd_post_process_headers
#undef elf64_bed
#define elf64_bed elf64_fbsd_tradbed
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