/* D30V-specific support for 32-bit ELF
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997-2020 Free Software Foundation, Inc.
Contributed by Martin Hunt (hunt@cygnus.com).
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
+#include "elf/d30v.h"
-static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void d30v_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
-static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS ((
- bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- PTR data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message));
-
-/* Use REL instead of RELA to save space */
-#define USE_REL
-
-enum reloc_type
-{
- R_D30V_NONE = 0,
- R_D30V_6,
- R_D30V_15,
- R_D30V_15_PCREL,
- R_D30V_21,
- R_D30V_21_PCREL,
- R_D30V_32,
- R_D30V_32_PCREL,
- R_D30V_32_NORMAL,
- R_D30V_max
-};
+#define MAX32 ((bfd_signed_vma) 0x7fffffff)
+#define MIN32 (- MAX32 - 1)
-static reloc_howto_type elf_d30v_howto_table[] =
+static bfd_reloc_status_type
+bfd_elf_d30v_reloc (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
- /* This reloc does nothing. */
- HOWTO (R_D30V_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_NONE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A 6 bit absolute relocation */
- HOWTO (R_D30V_6, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 6, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_6", /* name */
- false, /* partial_inplace */
- 0x3f, /* src_mask */
- 0x3f, /* dst_mask */
- false), /* pcrel_offset */
-
- /* An absolute 15 bit relocation, right shifted by 3 */
- HOWTO (R_D30V_15, /* type */
- 3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 15, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_15", /* name */
- false, /* partial_inplace */
- 0xfff, /* src_mask */
- 0xfff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A relative 15 bit relocation, right shifted by 3 */
- HOWTO (R_D30V_15_PCREL, /* type */
- 3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 15, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_15_PCREL", /* name */
- false, /* partial_inplace */
- 0xfff, /* src_mask */
- 0xfff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* An absolute 21 bit relocation, right shifted by 3 */
- HOWTO (R_D30V_21_PCREL, /* type */
- 3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 21, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_21", /* name */
- false, /* partial_inplace */
- 0x3ffff, /* src_mask */
- 0x3ffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A relative 21 bit relocation, right shifted by 3 */
- HOWTO (R_D30V_21_PCREL, /* type */
- 3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 21, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_21_PCREL", /* name */
- false, /* partial_inplace */
- 0x3ffff, /* src_mask */
- 0x3ffff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* A D30V 32 bit absolute relocation */
- HOWTO (R_D30V_32, /* type */
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_d30v_reloc, /* special_function */
- "R_D30V_32", /* name */
- false, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A relative 32 bit relocation */
- HOWTO (R_D30V_32_PCREL, /* type */
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_d30v_reloc, /* special_function */
- "R_D30V_32_PCREL", /* name */
- false, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* A regular 32 bit absolute relocation */
- HOWTO (R_D30V_32_NORMAL, /* type */
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_D30V_32_NORMAL", /* name */
- false, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ bfd_signed_vma relocation;
+ bfd_vma in1, in2, num;
+ bfd_vma tmp_addr = 0;
+ bfd_reloc_status_type r;
+ asection *reloc_target_output_section;
+ bfd_size_type addr = reloc_entry->address;
+ bfd_reloc_status_type flag = bfd_reloc_ok;
+ bfd_vma output_base = 0;
+ reloc_howto_type *howto = reloc_entry->howto;
+ int make_absolute = 0;
-};
+ if (output_bfd != NULL)
+ {
+ /* Partial linking -- do nothing. */
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+ if (r != bfd_reloc_continue)
+ return r;
+
+ /* A hacked-up version of bfd_perform_reloc() follows. */
+ if (bfd_is_und_section (symbol->section)
+ && (symbol->flags & BSF_WEAK) == 0
+ && output_bfd == NULL)
+ flag = bfd_reloc_undefined;
+
+ /* Is the address of the relocation really within the section? */
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+ return bfd_reloc_outofrange;
+
+ /* Work out which section the relocation is targeted at and the
+ initial relocation command value. */
+
+ /* Get symbol value. (Common symbols are special.) */
+ if (bfd_is_com_section (symbol->section))
+ relocation = 0;
+ else
+ relocation = symbol->value;
+
+ reloc_target_output_section = symbol->section->output_section;
+
+ /* Convert input-section-relative symbol value to absolute. */
+ output_base = reloc_target_output_section->vma;
+ relocation += output_base + symbol->section->output_offset;
+
+ /* Add in supplied addend. */
+ relocation += reloc_entry->addend;
+
+ /* Here the variable relocation holds the final address of the
+ symbol we are relocating against, plus any addend. */
+ if (howto->pc_relative)
+ {
+ tmp_addr = input_section->output_section->vma
+ + input_section->output_offset
+ + reloc_entry->address;
+ relocation -= tmp_addr;
+ }
+
+ in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
+ in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
+
+ /* Extract the addend. */
+ num = ((in2 & 0x3FFFF)
+ | ((in2 & 0xFF00000) >> 2)
+ | ((in1 & 0x3F) << 26));
+ in1 &= 0xFFFFFFC0;
+ in2 = 0x80000000;
+
+ relocation += num;
+
+ if (howto->pc_relative && howto->bitsize == 32)
+ {
+ /* The D30V has a PC that doesn't wrap and PC-relative jumps are
+ signed, so a PC-relative jump can't be more than +/- 2^31 bytes.
+ If one exceeds this, change it to an absolute jump. */
+ if (relocation > MAX32 || relocation < MIN32)
+ {
+ relocation = (relocation + tmp_addr) & 0xffffffff;
+ make_absolute = 1;
+ }
+ }
+
+ in1 |= (relocation >> 26) & 0x3F; /* Top 6 bits. */
+ in2 |= ((relocation & 0x03FC0000) << 2); /* Next 8 bits. */
+ in2 |= relocation & 0x0003FFFF; /* Bottom 18 bits. */
+
+ /* Change a PC-relative instruction to its
+ absolute equivalent with this simple hack. */
+ if (make_absolute)
+ in1 |= 0x00100000;
+
+ bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
+ bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
+
+ return flag;
+}
static bfd_reloc_status_type
-bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+bfd_elf_d30v_reloc_21 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
bfd_vma relocation;
- bfd_vma in1, in2;
+ bfd_vma in1, num;
bfd_reloc_status_type r;
asection *reloc_target_output_section;
bfd_size_type addr = reloc_entry->address;
bfd_reloc_status_type flag = bfd_reloc_ok;
bfd_vma output_base = 0;
reloc_howto_type *howto = reloc_entry->howto;
+ int mask, max;
+
+ if (output_bfd != NULL)
+ {
+ /* Partial linking -- do nothing. */
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
+ input_section, output_bfd, error_message);
if (r != bfd_reloc_continue)
- return r;
+ return r;
- /* a hacked-up version of bfd_perform_reloc() follows */
+ /* A hacked-up version of bfd_perform_reloc() follows. */
+ if (bfd_is_und_section (symbol->section)
+ && (symbol->flags & BSF_WEAK) == 0
+ && output_bfd == NULL)
+ flag = bfd_reloc_undefined;
/* Is the address of the relocation really within the section? */
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
- /* Work out which section the relocation is targetted at and the
+ /* Work out which section the relocation is targeted at and the
initial relocation command value. */
/* Get symbol value. (Common symbols are special.) */
else
relocation = symbol->value;
-
reloc_target_output_section = symbol->section->output_section;
/* Convert input-section-relative symbol value to absolute. */
- if (output_bfd)
- output_base = 0;
- else
- output_base = reloc_target_output_section->vma;
-
+ output_base = reloc_target_output_section->vma;
relocation += output_base + symbol->section->output_offset;
/* Add in supplied addend. */
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
- if (howto->pc_relative == true)
+ if (howto->pc_relative)
{
- relocation -= input_section->output_section->vma + input_section->output_offset;
-
- if (howto->pcrel_offset == true)
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset);
+ if (howto->pcrel_offset)
relocation -= reloc_entry->address;
}
- if (output_bfd != (bfd *) NULL)
+ in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
+
+ mask = (1 << howto->bitsize) - 1;
+ if (howto->bitsize == 6)
+ mask <<= 12;
+ max = (1 << (howto->bitsize + 2)) - 1;
+
+ /* Extract the addend. */
+ num = in1 & mask; /* 18 bits. */
+ if (howto->bitsize == 6)
+ num >>= 12;
+ num <<= 3; /* shift left 3. */
+ in1 &= ~mask; /* Mask out addend. */
+
+ relocation += num;
+ if (howto->type == R_D30V_21_PCREL_R
+ || howto->type == R_D30V_15_PCREL_R
+ || howto->type == R_D30V_9_PCREL_R)
+ relocation += 4;
+
+ if ((int) relocation < 0)
{
- /* This is a partial relocation, and we want to apply the relocation
- to the reloc entry rather than the raw data. Modify the reloc
- inplace to reflect what we now know. */
- reloc_entry->addend = relocation;
- reloc_entry->address += input_section->output_offset;
- return flag;
+ if (~ (int) relocation > max)
+ flag = bfd_reloc_overflow;
}
else
- reloc_entry->addend = 0;
-
- in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
- in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
+ {
+ if ((int) relocation > max)
+ flag = bfd_reloc_overflow;
+ }
+
+ relocation >>= 3;
+ if (howto->bitsize == 6)
+ in1 |= ((relocation & (mask >> 12)) << 12);
+ else
+ in1 |= relocation & mask;
- printf("D30V 32-bit reloc at addr 0x%lx insn=0x%08x%08x\n",(long)relocation, (int)in1, (int)in2);
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
- bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
-
+
return flag;
-}
+}
+
+static reloc_howto_type elf_d30v_howto_table[] =
+{
+ /* This reloc does nothing. */
+ HOWTO (R_D30V_NONE, /* Type. */
+ 0, /* Rightshift. */
+ 3, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_dont, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D30V_NONE", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0, /* Src_mask. */
+ 0, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A 6 bit absolute relocation. */
+ HOWTO (R_D30V_6, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 6, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D30V_6", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3f, /* Src_mask. */
+ 0x3f, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A relative 9 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_9_PCREL, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 6, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_9_PCREL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3f, /* Src_mask. */
+ 0x3f, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A relative 9 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_9_PCREL_R, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 6, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_9_PCREL_R", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3f, /* Src_mask. */
+ 0x3f, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* An absolute 15 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_15, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 12, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D30V_15", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xfff, /* Src_mask. */
+ 0xfff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A relative 15 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_15_PCREL, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 12, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_15_PCREL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xfff, /* Src_mask. */
+ 0xfff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A relative 15 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_15_PCREL_R, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 12, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_15_PCREL_R", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xfff, /* Src_mask. */
+ 0xfff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* An absolute 21 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_21, /* Type. */
+ 3, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 18, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D30V_21", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3ffff, /* Src_mask. */
+ 0x3ffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A relative 21 bit relocation, right shifted by 3. */
+ HOWTO (R_D30V_21_PCREL, /* 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_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_21_PCREL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3ffff, /* Src_mask. */
+ 0x3ffff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A relative 21 bit relocation, right shifted by 3, in the Right container. */
+ HOWTO (R_D30V_21_PCREL_R, /* 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_elf_d30v_reloc_21, /* Special_function. */
+ "R_D30V_21_PCREL_R", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0x3ffff, /* Src_mask. */
+ 0x3ffff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A D30V 32 bit absolute relocation. */
+ HOWTO (R_D30V_32, /* Type. */
+ 0, /* Rightshift. */
+ 4, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc, /* Special_function. */
+ "R_D30V_32", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffffffff, /* Src_mask. */
+ 0xffffffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+ /* A relative 32 bit relocation. */
+ HOWTO (R_D30V_32_PCREL, /* Type. */
+ 0, /* Rightshift. */
+ 4, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ TRUE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_signed, /* Complain_on_overflow. */
+ bfd_elf_d30v_reloc, /* Special_function. */
+ "R_D30V_32_PCREL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffffffff, /* Src_mask. */
+ 0xffffffff, /* Dst_mask. */
+ TRUE), /* PCrel_offset. */
+
+ /* A regular 32 bit absolute relocation. */
+ HOWTO (R_D30V_32_NORMAL, /* Type. */
+ 0, /* Rightshift. */
+ 2, /* Size (0 = byte, 1 = short, 2 = long). */
+ 32, /* Bitsize. */
+ FALSE, /* PC_relative. */
+ 0, /* Bitpos. */
+ complain_overflow_bitfield, /* Complain_on_overflow. */
+ bfd_elf_generic_reloc, /* Special_function. */
+ "R_D30V_32_NORMAL", /* Name. */
+ FALSE, /* Partial_inplace. */
+ 0xffffffff, /* Src_mask. */
+ 0xffffffff, /* Dst_mask. */
+ FALSE), /* PCrel_offset. */
+
+};
/* Map BFD reloc types to D30V ELF reloc types. */
struct d30v_reloc_map
{
- unsigned char bfd_reloc_val;
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
-
static const struct d30v_reloc_map d30v_reloc_map[] =
{
{ BFD_RELOC_NONE, R_D30V_NONE, },
{ BFD_RELOC_D30V_6, R_D30V_6 },
+ { BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL },
+ { BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R },
{ BFD_RELOC_D30V_15, R_D30V_15 },
{ BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL },
+ { BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R },
{ BFD_RELOC_D30V_21, R_D30V_21 },
{ BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL },
+ { BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R },
{ BFD_RELOC_D30V_32, R_D30V_32 },
{ BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL },
{ BFD_RELOC_32, R_D30V_32_NORMAL },
};
static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
- bfd_reloc_code_real_type code;
+bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
{
unsigned int i;
return NULL;
}
-/* Set the howto pointer for an D30V ELF reloc. */
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (elf_d30v_howto_table) / sizeof (elf_d30v_howto_table[0]);
+ i++)
+ if (elf_d30v_howto_table[i].name != NULL
+ && strcasecmp (elf_d30v_howto_table[i].name, r_name) == 0)
+ return &elf_d30v_howto_table[i];
+
+ return NULL;
+}
-static void
-d30v_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd *abfd;
- arelent *cache_ptr;
- Elf32_Internal_Rel *dst;
+/* Set the howto pointer for an D30V ELF reloc (type REL). */
+
+static bfd_boolean
+d30v_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);
- BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
+ if (r_type >= (unsigned int) R_D30V_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+ cache_ptr->howto = &elf_d30v_howto_table[r_type];
+ return TRUE;
+}
+
+/* Set the howto pointer for an D30V ELF reloc (type RELA). */
+
+static bfd_boolean
+d30v_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);
+ if (r_type >= (unsigned int) R_D30V_max)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
cache_ptr->howto = &elf_d30v_howto_table[r_type];
+ return TRUE;
}
#define ELF_ARCH bfd_arch_d30v
-#define ELF_MACHINE_CODE EM_CYGNUS_D30V
+#define ELF_MACHINE_CODE EM_D30V
+#define ELF_MACHINE_ALT1 EM_CYGNUS_D30V
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_d30v_vec
+#define TARGET_BIG_SYM d30v_elf32_vec
#define TARGET_BIG_NAME "elf32-d30v"
-#define elf_info_to_howto 0
+#define elf_info_to_howto d30v_info_to_howto_rela
#define elf_info_to_howto_rel d30v_info_to_howto_rel
#define elf_backend_object_p 0
-#define elf_backend_final_write_processing 0
#include "elf32-target.h"
projects / thirdparty / binutils-gdb.git / blobdiff