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sparc: support %dN and %qN syntax for FP registers.
[deliverable/binutils-gdb.git] / bfd / elf32-mips.c
diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index e0342e05ad373f3568ff625e11808c6cf8dad7c9..fff08e5568d3c8225187de80aa2ed9be51e45336 100644 (file)
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -1,5 +1,5 @@
 /* MIPS-specific support for 32-bit ELF
-   Copyright (C) 1993-2014 Free Software Foundation, Inc.
+   Copyright (C) 1993-2015 Free Software Foundation, Inc.
 
    Most of the information added by Ian Lance Taylor, Cygnus Support,
    <ian@cygnus.com>.
@@ -82,8 +82,8 @@ static bfd_boolean elf32_mips_grok_psinfo
 static irix_compat_t elf32_mips_irix_compat
   (bfd *);
 
-extern const bfd_target bfd_elf32_bigmips_vec;
-extern const bfd_target bfd_elf32_littlemips_vec;
+extern const bfd_target mips_elf32_be_vec;
+extern const bfd_target mips_elf32_le_vec;
 
 /* Nonzero if ABFD is using the N32 ABI.  */
 #define ABI_N32_P(abfd) \
@@ -107,7 +107,7 @@ static reloc_howto_type elf_mips_howto_table_rel[] =
   /* No relocation.  */
   HOWTO (R_MIPS_NONE,          /* type */
         0,                     /* rightshift */
-        0,                     /* size (0 = byte, 1 = short, 2 = long) */
+        3,                     /* size (0 = byte, 1 = short, 2 = long) */
         0,                     /* bitsize */
         FALSE,                 /* pc_relative */
         0,                     /* bitpos */
@@ -716,6 +716,99 @@ static reloc_howto_type elf_mips_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 reloc used for BFD_RELOC_CTOR when doing a 64 bit link.  This
@@ -1905,7 +1998,13 @@ 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[] =
@@ -2105,7 +2204,12 @@ mips_elf32_rtype_to_howto (unsigned int r_type,
        return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
       if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
         return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
-      BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
+      if (r_type >= (unsigned int) R_MIPS_max)
+       {
+         (*_bfd_error_handler) (_("Unrecognised MIPS reloc number: %d"), r_type);
+         bfd_set_error (bfd_error_bad_value);
+         r_type = R_MIPS_NONE;
+       }
       return &elf_mips_howto_table_rel[r_type];
     }
 }
@@ -2259,8 +2363,8 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
 static irix_compat_t
 elf32_mips_irix_compat (bfd *abfd)
 {
-  if ((abfd->xvec == &bfd_elf32_bigmips_vec)
-      || (abfd->xvec == &bfd_elf32_littlemips_vec))
+  if ((abfd->xvec == &mips_elf32_be_vec)
+      || (abfd->xvec == &mips_elf32_le_vec))
     return ict_irix5;
   else
     return ict_none;
@@ -2315,6 +2419,8 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #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_info_to_howto_rela
 #define elf_info_to_howto_rel          mips_info_to_howto_rel
 #define elf_backend_sym_is_global      mips_elf_sym_is_global
@@ -2372,6 +2478,8 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define elf_backend_write_section      _bfd_mips_elf_write_section
 #define elf_backend_mips_irix_compat   elf32_mips_irix_compat
 #define elf_backend_mips_rtype_to_howto        mips_elf32_rtype_to_howto
+#define elf_backend_sort_relocs_p      _bfd_mips_elf_sort_relocs_p
+
 #define bfd_elf32_bfd_is_local_label_name \
                                        mips_elf_is_local_label_name
 #define bfd_elf32_bfd_is_target_special_symbol \
@@ -2395,9 +2503,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define bfd_elf32_mkobject             _bfd_mips_elf_mkobject
 
 /* Support for SGI-ish mips targets.  */
-#define TARGET_LITTLE_SYM              bfd_elf32_littlemips_vec
+#define TARGET_LITTLE_SYM              mips_elf32_le_vec
 #define TARGET_LITTLE_NAME             "elf32-littlemips"
-#define TARGET_BIG_SYM                 bfd_elf32_bigmips_vec
+#define TARGET_BIG_SYM                 mips_elf32_be_vec
 #define TARGET_BIG_NAME                        "elf32-bigmips"
 
 /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
@@ -2416,9 +2524,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #undef ELF_MAXPAGESIZE
 #undef ELF_COMMONPAGESIZE
 
-#define TARGET_LITTLE_SYM               bfd_elf32_tradlittlemips_vec
+#define TARGET_LITTLE_SYM               mips_elf32_trad_le_vec
 #define TARGET_LITTLE_NAME              "elf32-tradlittlemips"
-#define TARGET_BIG_SYM                  bfd_elf32_tradbigmips_vec
+#define TARGET_BIG_SYM                  mips_elf32_trad_be_vec
 #define TARGET_BIG_NAME                 "elf32-tradbigmips"
 
 /* The MIPS ABI says at Page 5-1:
@@ -2440,9 +2548,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #undef TARGET_BIG_SYM
 #undef TARGET_BIG_NAME
 
-#define        TARGET_LITTLE_SYM               bfd_elf32_tradlittlemips_freebsd_vec
+#define        TARGET_LITTLE_SYM               mips_elf32_tradfbsd_le_vec
 #define        TARGET_LITTLE_NAME              "elf32-tradlittlemips-freebsd"
-#define        TARGET_BIG_SYM                  bfd_elf32_tradbigmips_freebsd_vec
+#define        TARGET_BIG_SYM                  mips_elf32_tradfbsd_be_vec
 #define        TARGET_BIG_NAME                 "elf32-tradbigmips-freebsd"
 
 #undef ELF_OSABI
@@ -2469,9 +2577,9 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
 #undef ELF_MAXPAGESIZE
 #undef ELF_COMMONPAGESIZE
 
-#define TARGET_LITTLE_SYM               bfd_elf32_littlemips_vxworks_vec
+#define TARGET_LITTLE_SYM               mips_elf32_vxworks_le_vec
 #define TARGET_LITTLE_NAME              "elf32-littlemips-vxworks"
-#define TARGET_BIG_SYM                  bfd_elf32_bigmips_vxworks_vec
+#define TARGET_BIG_SYM                  mips_elf32_vxworks_be_vec
 #define TARGET_BIG_NAME                 "elf32-bigmips-vxworks"
 #undef ELF_OSABI
 
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