/* MIPS-specific support for 32-bit ELF
- Copyright (C) 1993-2017 Free Software Foundation, Inc.
+ Copyright (C) 1993-2018 Free Software Foundation, Inc.
Most of the information added by Ian Lance Taylor, Cygnus Support,
<ian@cygnus.com>.
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
(bfd *, bfd_reloc_code_real_type);
-static reloc_howto_type *mips_elf_n32_rtype_to_howto
- (unsigned int, bfd_boolean);
-static void mips_info_to_howto_rel
+static bfd_boolean mips_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
-static void mips_info_to_howto_rela
+static bfd_boolean mips_info_to_howto_rela
(bfd *, arelent *, Elf_Internal_Rela *);
static bfd_boolean mips_elf_sym_is_global
(bfd *, asymbol *);
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- /* This needs complex overflow
+ /* This needs complex overflow
detection, because the upper four
bits must match the PC + 4. */
_bfd_mips_elf_generic_reloc, /* special_function */
/* Protected jump conversion. This is an optimization hint. No
relocation is required for correctness. */
- HOWTO (R_MIPS_JALR, /* type */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
- "R_MIPS_JALR", /* name */
+ "R_MIPS_JALR", /* name */
FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0x00000000, /* dst_mask */
/* Protected jump conversion. This is an optimization hint. No
relocation is required for correctness. */
- HOWTO (R_MIPS_JALR, /* type */
+ HOWTO (R_MIPS_JALR, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
_bfd_mips_elf_generic_reloc, /* special_function */
- "R_MIPS_JALR", /* name */
+ "R_MIPS_JALR", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- /* This needs complex overflow
+ /* This needs complex overflow
detection, because the upper four
bits must match the PC. */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_GPREL", /* name */
TRUE, /* partial_inplace */
0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A MIPS16 reference to the global offset table. */
"R_MIPS16_GOT16", /* name */
TRUE, /* partial_inplace */
0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A MIPS16 call through the global offset table. */
"R_MIPS16_CALL16", /* name */
TRUE, /* partial_inplace */
0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* MIPS16 high 16 bits of symbol value. */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- /* This needs complex overflow
+ /* This needs complex overflow
detection, because the upper four
bits must match the PC. */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_GPREL", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A MIPS16 reference to the global offset table. */
"R_MIPS16_GOT16", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* A MIPS16 call through the global offset table. */
"R_MIPS16_CALL16", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
- 0x0000ffff, /* dst_mask */
+ 0x0000ffff, /* dst_mask */
FALSE), /* pcrel_offset */
/* MIPS16 high 16 bits of symbol value. */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- /* This needs complex overflow
+ /* This needs complex overflow
detection, because the upper four
bits must match the PC. */
_bfd_mips_elf_generic_reloc, /* special_function */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- /* This needs complex overflow
+ /* This needs complex overflow
detection, because the upper four
bits must match the PC. */
_bfd_mips_elf_generic_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_COPY", /* name */
FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0x0, /* dst_mask */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
FALSE); /* pcrel_offset */
/* Originally a VxWorks extension, but now used for other systems too. */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS_JUMP_SLOT", /* name */
FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0x0, /* dst_mask */
+ 0x0, /* src_mask */
+ 0x0, /* dst_mask */
FALSE); /* pcrel_offset */
/* Used in EH tables. */
"R_MIPS_EH", /* name */
TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
+ 0xffffffff, /* dst_mask */
FALSE); /* pcrel_offset */
\f
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
static reloc_howto_type *
-mips_elf_n32_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p)
+mips_elf_n32_rtype_to_howto (bfd *abfd, unsigned int r_type, bfd_boolean rela_p)
{
+ reloc_howto_type *howto = NULL;
+
switch (r_type)
{
case R_MIPS_GNU_VTINHERIT:
if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
{
if (rela_p)
- return &elf_micromips_howto_table_rela[r_type - R_MICROMIPS_min];
+ howto = &elf_micromips_howto_table_rela[r_type - R_MICROMIPS_min];
else
- return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
+ howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
}
if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
{
if (rela_p)
- return &elf_mips16_howto_table_rela[r_type - R_MIPS16_min];
+ howto = &elf_mips16_howto_table_rela[r_type - R_MIPS16_min];
else
- return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
+ howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
}
- if (r_type >= R_MIPS_max)
+ if (r_type < 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;
+ if (rela_p)
+ howto = &elf_mips_howto_table_rela[r_type];
+ else
+ howto = &elf_mips_howto_table_rel[r_type];
}
- if (rela_p)
- return &elf_mips_howto_table_rela[r_type];
- else
- return &elf_mips_howto_table_rel[r_type];
- break;
+ if (howto != NULL && howto->name != NULL)
+ return howto;
+
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
}
}
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
-static void
+static bfd_boolean
mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE);
+ cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, FALSE);
+
+ if (cache_ptr->howto == NULL)
+ return FALSE;
/* The addend for a GPREL16 or LITERAL relocation comes from the GP
value for the object file. We get the addend now, rather than
if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
&& (gprel16_reloc_p (r_type) || r_type == (unsigned int) R_MIPS_LITERAL))
cache_ptr->addend = elf_gp (abfd);
+
+ return TRUE;
}
/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
-static void
-mips_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
+static bfd_boolean
+mips_info_to_howto_rela (bfd *abfd,
arelent *cache_ptr, Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE);
+ cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, TRUE);
cache_ptr->addend = dst->r_addend;
+ return cache_ptr->howto != NULL;
}
\f
/* Determine whether a symbol is global for the purposes of splitting
return FALSE;
case 128: /* Linux/MIPS elf_prpsinfo */
+ elf_tdata (abfd)->core->pid
+ = bfd_get_32 (abfd, note->descdata + 16);
elf_tdata (abfd)->core->program
= _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
elf_tdata (abfd)->core->command
/* Support for SGI-ish mips targets using n32 ABI. */
-#define TARGET_LITTLE_SYM mips_elf32_n_le_vec
-#define TARGET_LITTLE_NAME "elf32-nlittlemips"
-#define TARGET_BIG_SYM mips_elf32_n_be_vec
-#define TARGET_BIG_NAME "elf32-nbigmips"
+#define TARGET_LITTLE_SYM mips_elf32_n_le_vec
+#define TARGET_LITTLE_NAME "elf32-nlittlemips"
+#define TARGET_BIG_SYM mips_elf32_n_be_vec
+#define TARGET_BIG_NAME "elf32-nbigmips"
#define ELF_MAXPAGESIZE 0x10000
#define ELF_COMMONPAGESIZE 0x1000
#undef ELF_MAXPAGESIZE
#undef ELF_COMMONPAGESIZE
-#define TARGET_LITTLE_SYM mips_elf32_ntrad_le_vec
-#define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
-#define TARGET_BIG_SYM mips_elf32_ntrad_be_vec
-#define TARGET_BIG_NAME "elf32-ntradbigmips"
+#define TARGET_LITTLE_SYM mips_elf32_ntrad_le_vec
+#define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
+#define TARGET_BIG_SYM mips_elf32_ntrad_be_vec
+#define TARGET_BIG_NAME "elf32-ntradbigmips"
#define ELF_MAXPAGESIZE 0x10000
#define ELF_COMMONPAGESIZE 0x1000
projects / deliverable / binutils-gdb.git / blobdiff