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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [bfd/] [coff-maxq.c] - Blame information for rev 24

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/* BFD back-end for MAXQ COFF binaries.
   Copyright 2004, 2007  Free Software Foundation, Inc.
 
   Contributed by Vineet Sharma (vineets@noida.hcltech.com) Inderpreet S.
   (inderpreetb@noida.hcltech.com)
 
   HCL Technologies Ltd.
 
   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 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.
 
   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 "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
#include "coff/maxq.h"
#include "coff/internal.h"
#include "libcoff.h"
#include "libiberty.h"
 
#ifndef MAXQ20
#define MAXQ20 1
#endif
 
#define RTYPE2HOWTO(cache_ptr, dst)                                     \
  ((cache_ptr)->howto =                                                 \
   ((dst)->r_type < 48                                                  \
    ? howto_table + (((dst)->r_type==47) ? 6: ((dst)->r_type))          \
    : NULL))
 
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
 
/* Code to swap in the reloc offset.  */
#define SWAP_IN_RELOC_OFFSET    H_GET_16
#define SWAP_OUT_RELOC_OFFSET   H_PUT_16
 
#define SHORT_JUMP              BFD_RELOC_16_PCREL_S2
#define LONG_JUMP               BFD_RELOC_14
#define ABSOLUTE_ADDR_FOR_DATA  BFD_RELOC_24
 
/* checks the range of short jump -127 to 128 */
#define IS_SJUMP_RANGE(x) ((x > -128) && (x < 129))
#define HIGH_WORD_MASK    0xff00
#define LOW_WORD_MASK     0x00ff
 
static long
get_symbol_value (asymbol *symbol)
{
  long relocation = 0;
 
  if (bfd_is_com_section (symbol->section))
    relocation = 0;
  else
    relocation = symbol->value +
      symbol->section->output_section->vma + symbol->section->output_offset;
 
  return relocation;
}
 
/* This function performs all the maxq relocations.
   FIXME:  The handling of the addend in the 'BFD_*'
   relocations types.  */
 
static bfd_reloc_status_type
coff_maxq20_reloc (bfd *      abfd,
                   arelent *  reloc_entry,
                   asymbol *  symbol_in,
                   void *     data,
                   asection * input_section ATTRIBUTE_UNUSED,
                   bfd *      output_bfd    ATTRIBUTE_UNUSED,
                   char **    error_message ATTRIBUTE_UNUSED)
{
  unsigned char *addr = NULL;
  unsigned long x = 0;
  long call_addr = 0;
  short addend = 0;
  long diff = 0;
 
  /* If this is an undefined symbol, return error.  */
  if (symbol_in->section == &bfd_und_section
      && (symbol_in->flags & BSF_WEAK) == 0)
    return bfd_reloc_continue;
 
  if (data && reloc_entry)
    {
      addr = (unsigned char *) data + reloc_entry->address;
      call_addr = call_addr - call_addr;
      call_addr = get_symbol_value (symbol_in);
 
      /* Over here the value val stores the 8 bit/16 bit value. We will put a
         check if we are moving a 16 bit immediate value into an 8 bit
         register. In that case we will generate a Upper bytes into PFX[0]
         and move the lower 8 bits as SRC.  */
 
      switch (reloc_entry->howto->type)
        {
          /* BFD_RELOC_16_PCREL_S2 47 Handles all the relative jumps and
             calls Note: Every relative jump or call is in words.  */
        case SHORT_JUMP:
          /* Handle any addend.  */
          addend = reloc_entry->addend;
 
          if (addend > call_addr || addend > 0)
            call_addr = symbol_in->section->output_section->vma + addend;
          else if (addend < call_addr && addend > 0)
            call_addr = call_addr + addend;
          else if (addend < 0)
            call_addr = call_addr + addend;
 
          diff = ((call_addr << 1) - (reloc_entry->address << 1));
 
          if (!IS_SJUMP_RANGE (diff))
            {
              bfd_perror (_("Can't Make it a Short Jump"));
              return bfd_reloc_outofrange;
            }
 
          x = bfd_get_16 (abfd, addr);
 
          x = x & LOW_WORD_MASK;
          x = x | (diff << 8);
          bfd_put_16 (abfd, (bfd_vma) x, addr);
 
          return bfd_reloc_ok;
 
        case ABSOLUTE_ADDR_FOR_DATA:
        case LONG_JUMP:
          /* BFD_RELOC_14 Handles intersegment or long jumps which might be
             from code to code or code to data segment jumps. Note: When this
             fucntion is called by gas the section flags somehow do not
             contain the info about the section type(CODE or DATA). Thus the
             user needs to evoke the linker after assembling the files
             because the Code-Code relocs are word aligned but code-data are
             byte aligned.  */
          addend = (reloc_entry->addend - reloc_entry->addend);
 
          /* Handle any addend.  */
          addend = reloc_entry->addend;
 
          /* For relocation involving multiple file added becomes zero thus
             this fails - check for zero added. In another case when we try
             to add a stub to a file the addend shows the offset from the
             start od this file.  */
          addend = 0;
 
          if (!bfd_is_com_section (symbol_in->section) &&
              ((symbol_in->flags & BSF_OLD_COMMON) == 0))
            {
              if (reloc_entry->addend > symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
 
              if ((reloc_entry->addend < symbol_in->value)
                  && (reloc_entry->addend != 0))
                addend = reloc_entry->addend - symbol_in->value;
 
              if (reloc_entry->addend == symbol_in->value)
                addend = 0;
            }
 
          if (bfd_is_com_section (symbol_in->section) ||
              ((symbol_in->flags & BSF_OLD_COMMON) != 0))
            addend = reloc_entry->addend;
 
          if (addend < 0
              &&  (call_addr < (long) (addend * (-1))))
            addend = 0;
 
          call_addr += addend;
 
          /* FIXME: This check does not work well with the assembler,
             linker needs to be run always.  */
          if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)
            {
              /* Convert it into words.  */
              call_addr = call_addr >> 1;
 
              if (call_addr > 0xFFFF)   /* Intersegment Jump.  */
                {
                  bfd_perror (_("Exceeds Long Jump Range"));
                  return bfd_reloc_outofrange;
                }
            }
          else
            {
              /* case ABSOLUTE_ADDR_FOR_DATA : Resolves any code-data
                 segemnt relocs. These are NOT word aligned.  */
 
              if (call_addr > 0xFFFF)   /* Intersegment Jump.  */
                {
                  bfd_perror (_("Absolute address Exceeds 16 bit Range"));
                  return bfd_reloc_outofrange;
                }
            }
 
          x = bfd_get_32 (abfd, addr);
 
          x = (x & 0xFF00FF00);
          x = (x | ((call_addr & HIGH_WORD_MASK) >> 8));
          x = (x | (call_addr & LOW_WORD_MASK) << 16);
 
          bfd_put_32 (abfd, (bfd_vma) x, addr);
          return bfd_reloc_ok;
 
        case BFD_RELOC_8:
          addend = (reloc_entry->addend - reloc_entry->addend);
 
          if (!bfd_is_com_section (symbol_in->section) &&
              ((symbol_in->flags & BSF_OLD_COMMON) == 0))
            {
              if (reloc_entry->addend > symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
              if (reloc_entry->addend < symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
              if (reloc_entry->addend == symbol_in->value)
                addend = 0;
            }
 
          if (bfd_is_com_section (symbol_in->section) ||
              ((symbol_in->flags & BSF_OLD_COMMON) != 0))
            addend = reloc_entry->addend;
 
          if (addend < 0
              && (call_addr < (long) (addend * (-1))))
            addend = 0;
 
          if (call_addr + addend > 0xFF)
            {
              bfd_perror (_("Absolute address Exceeds 8 bit Range"));
              return bfd_reloc_outofrange;
            }
 
          x = bfd_get_8 (abfd, addr);
          x = x & 0x00;
          x = x | (call_addr + addend);
 
          bfd_put_8 (abfd, (bfd_vma) x, addr);
          return bfd_reloc_ok;
 
        case BFD_RELOC_16:
          addend = (reloc_entry->addend - reloc_entry->addend);
          if (!bfd_is_com_section (symbol_in->section) &&
              ((symbol_in->flags & BSF_OLD_COMMON) == 0))
            {
              if (reloc_entry->addend > symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
 
              if (reloc_entry->addend < symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
 
              if (reloc_entry->addend == symbol_in->value)
                addend = 0;
            }
 
          if (bfd_is_com_section (symbol_in->section) ||
              ((symbol_in->flags & BSF_OLD_COMMON) != 0))
            addend = reloc_entry->addend;
 
          if (addend < 0
              && (call_addr < (long) (addend * (-1))))
            addend = 0;
 
          if ((call_addr + addend) > 0xFFFF)
            {
              bfd_perror (_("Absolute address Exceeds 16 bit Range"));
              return bfd_reloc_outofrange;
            }
          else
            {
              unsigned short val = (call_addr + addend);
 
              x = bfd_get_16 (abfd, addr);
 
              /* LE */
              x = (x & 0x0000); /* Flush garbage value.  */
              x = val;
              if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)
                x = x >> 1;     /* Convert it into words.  */
            }
 
          bfd_put_16 (abfd, (bfd_vma) x, addr);
          return bfd_reloc_ok;
 
        case BFD_RELOC_32:
          addend = (reloc_entry->addend - reloc_entry->addend);
 
          if (!bfd_is_com_section (symbol_in->section) &&
              ((symbol_in->flags & BSF_OLD_COMMON) == 0))
            {
              if (reloc_entry->addend > symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
              if (reloc_entry->addend < symbol_in->value)
                addend = reloc_entry->addend - symbol_in->value;
              if (reloc_entry->addend == symbol_in->value)
                addend = 0;
            }
 
          if (bfd_is_com_section (symbol_in->section) ||
              ((symbol_in->flags & BSF_OLD_COMMON) != 0))
            addend = reloc_entry->addend;
 
          if (addend < 0
              && (call_addr < (long) (addend * (-1))))
            addend = 0;
 
          if ((call_addr + addend) < 0)
            {
              bfd_perror ("Absolute address Exceeds 32 bit Range");
              return bfd_reloc_outofrange;
            }
 
          x = bfd_get_32 (abfd, addr);
          x = (x & 0x0000);     /* Flush garbage value.  */
          x = call_addr + addend;
          if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)
            x = x >> 1; /* Convert it into words.  */
 
          bfd_put_32 (abfd, (bfd_vma) x, addr);
          return bfd_reloc_ok;
 
        default:
          bfd_perror (_("Unrecognized Reloc Type"));
          return bfd_reloc_notsupported;
        }
    }
 
  return bfd_reloc_notsupported;
}
 
static reloc_howto_type howto_table[] =
{
  EMPTY_HOWTO (0),
  EMPTY_HOWTO (1),
  {
   BFD_RELOC_32, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "32Bit", TRUE, 0x000000ff, 0x000000ff, TRUE
  },
  {
   SHORT_JUMP, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "SHORT_JMP", TRUE, 0x000000ff, 0x000000ff, TRUE
  },
  {
   ABSOLUTE_ADDR_FOR_DATA, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "INTERSEGMENT_RELOC", TRUE, 0x00000000, 0x00000000,
   FALSE
  },
  {
   BFD_RELOC_16, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "16Bit", TRUE, 0x000000ff, 0x000000ff, TRUE
  },
  {
   LONG_JUMP, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "LONG_JUMP", TRUE, 0x00000000, 0x00000000, FALSE
  },
  {
   BFD_RELOC_8, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,
   coff_maxq20_reloc, "8bit", TRUE, 0x000000ff, 0x000000ff, TRUE
  },
  EMPTY_HOWTO (8),
  EMPTY_HOWTO (9),
  EMPTY_HOWTO (10),
};
 
static reloc_howto_type *
maxq_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
                        bfd_reloc_code_real_type code)
{
  switch (code)
    {
      /* SHORT JUMP */
    case BFD_RELOC_16_PCREL_S2:
      return howto_table + 3;
 
      /* INTERSEGMENT JUMP */
    case BFD_RELOC_24:
      return howto_table + 4;
 
      /* BYTE RELOC */
    case BFD_RELOC_8:
      return howto_table + 7;
 
      /* WORD RELOC */
    case BFD_RELOC_16:
      return howto_table + 5;
 
      /* LONG RELOC */
    case BFD_RELOC_32:
      return howto_table + 2;
 
      /* LONG JUMP */
    case BFD_RELOC_14:
      return howto_table + 6;
 
    default:
      return NULL;
    }
}
 
static reloc_howto_type *
maxq_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
{
  unsigned int i;
 
  for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++)
    if (howto_table[i].name != NULL
        && strcasecmp (howto_table[i].name, r_name) == 0)
      return &howto_table[i];
 
  return NULL;
}
 
#define coff_bfd_reloc_type_lookup maxq_reloc_type_lookup
#define coff_bfd_reloc_name_lookup maxq_reloc_name_lookup
 
/* Perform any necessary magic to the addend in a reloc entry.  */
#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
 cache_ptr->addend =  ext_reloc.r_offset;
 
#include "coffcode.h"
 
#ifndef TARGET_UNDERSCORE
#define TARGET_UNDERSCORE 1
#endif
 
#ifndef EXTRA_S_FLAGS
#define EXTRA_S_FLAGS 0
#endif
 
/* Forward declaration for use initialising alternative_target field.  */
CREATE_LITTLE_COFF_TARGET_VEC (maxqcoff_vec, "coff-maxq", 0, EXTRA_S_FLAGS,
                               TARGET_UNDERSCORE, NULL, COFF_SWAP_TABLE);
 

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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [bfd/] [coff-maxq.c] - Blame information for rev 24

Line No.	Rev	Author	Line
1	24	jeremybenn	`/* BFD back-end for MAXQ COFF binaries.`
2			`Copyright 2004, 2007 Free Software Foundation, Inc.`
3
4			`Contributed by Vineet Sharma (vineets@noida.hcltech.com) Inderpreet S.`
5			`(inderpreetb@noida.hcltech.com)`
6
7			`HCL Technologies Ltd.`
8
9			`This file is part of BFD, the Binary File Descriptor library.`
10
11			`This program is free software; you can redistribute it and/or modify it`
12			`under the terms of the GNU General Public License as published by the Free`
13			`Software Foundation; either version 3 of the License, or (at your option)`
14			`any later version.`
15
16			`This program is distributed in the hope that it will be useful, but`
17			`WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY`
18			`or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License`
19			`for more details.`
20
21			`You should have received a copy of the GNU General Public License along`
22			`with this program; if not, write to the Free Software Foundation, Inc.,`
23			`51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */`
24
25			`#include "sysdep.h"`
26			`#include "bfd.h"`
27			`#include "libbfd.h"`
28			`#include "coff/maxq.h"`
29			`#include "coff/internal.h"`
30			`#include "libcoff.h"`
31			`#include "libiberty.h"`
32
33			`#ifndef MAXQ20`
34			`#define MAXQ20 1`
35			`#endif`
36
37			`#define RTYPE2HOWTO(cache_ptr, dst) \`
38			`((cache_ptr)->howto = \`
39			`((dst)->r_type < 48 \`
40			`? howto_table + (((dst)->r_type==47) ? 6: ((dst)->r_type)) \`
41			`: NULL))`
42
43			`#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)`
44
45			`/* Code to swap in the reloc offset. */`
46			`#define SWAP_IN_RELOC_OFFSET H_GET_16`
47			`#define SWAP_OUT_RELOC_OFFSET H_PUT_16`
48
49			`#define SHORT_JUMP BFD_RELOC_16_PCREL_S2`
50			`#define LONG_JUMP BFD_RELOC_14`
51			`#define ABSOLUTE_ADDR_FOR_DATA BFD_RELOC_24`
52
53			`/* checks the range of short jump -127 to 128 */`
54			`#define IS_SJUMP_RANGE(x) ((x > -128) && (x < 129))`
55			`#define HIGH_WORD_MASK 0xff00`
56			`#define LOW_WORD_MASK 0x00ff`
57
58			`static long`
59			`get_symbol_value (asymbol *symbol)`
60			`{`
61			`long relocation = 0;`
62
63			`if (bfd_is_com_section (symbol->section))`
64			`relocation = 0;`
65			`else`
66			`relocation = symbol->value +`
67			`symbol->section->output_section->vma + symbol->section->output_offset;`
68
69			`return relocation;`
70			`}`
71
72			`/* This function performs all the maxq relocations.`
73			`FIXME: The handling of the addend in the 'BFD_*'`
74			`relocations types. */`
75
76			`static bfd_reloc_status_type`
77			`coff_maxq20_reloc (bfd * abfd,`
78			`arelent * reloc_entry,`
79			`asymbol * symbol_in,`
80			`void * data,`
81			`asection * input_section ATTRIBUTE_UNUSED,`
82			`bfd * output_bfd ATTRIBUTE_UNUSED,`
83			`char ** error_message ATTRIBUTE_UNUSED)`
84			`{`
85			`unsigned char *addr = NULL;`
86			`unsigned long x = 0;`
87			`long call_addr = 0;`
88			`short addend = 0;`
89			`long diff = 0;`
90
91			`/* If this is an undefined symbol, return error. */`
92			`if (symbol_in->section == &bfd_und_section`
93			`&& (symbol_in->flags & BSF_WEAK) == 0)`
94			`return bfd_reloc_continue;`
95
96			`if (data && reloc_entry)`
97			`{`
98			`addr = (unsigned char *) data + reloc_entry->address;`
99			`call_addr = call_addr - call_addr;`
100			`call_addr = get_symbol_value (symbol_in);`
101
102			`/* Over here the value val stores the 8 bit/16 bit value. We will put a`
103			`check if we are moving a 16 bit immediate value into an 8 bit`
104			`register. In that case we will generate a Upper bytes into PFX[0]`
105			`and move the lower 8 bits as SRC. */`
106
107			`switch (reloc_entry->howto->type)`
108			`{`
109			`/* BFD_RELOC_16_PCREL_S2 47 Handles all the relative jumps and`
110			`calls Note: Every relative jump or call is in words. */`
111			`case SHORT_JUMP:`
112			`/* Handle any addend. */`
113			`addend = reloc_entry->addend;`
114
115			`if (addend > call_addr \|\| addend > 0)`
116			`call_addr = symbol_in->section->output_section->vma + addend;`
117			`else if (addend < call_addr && addend > 0)`
118			`call_addr = call_addr + addend;`
119			`else if (addend < 0)`
120			`call_addr = call_addr + addend;`
121
122			`diff = ((call_addr << 1) - (reloc_entry->address << 1));`
123
124			`if (!IS_SJUMP_RANGE (diff))`
125			`{`
126			`bfd_perror (_("Can't Make it a Short Jump"));`
127			`return bfd_reloc_outofrange;`
128			`}`
129
130			`x = bfd_get_16 (abfd, addr);`
131
132			`x = x & LOW_WORD_MASK;`
133			`x = x \| (diff << 8);`
134			`bfd_put_16 (abfd, (bfd_vma) x, addr);`
135
136			`return bfd_reloc_ok;`
137
138			`case ABSOLUTE_ADDR_FOR_DATA:`
139			`case LONG_JUMP:`
140			`/* BFD_RELOC_14 Handles intersegment or long jumps which might be`
141			`from code to code or code to data segment jumps. Note: When this`
142			`fucntion is called by gas the section flags somehow do not`
143			`contain the info about the section type(CODE or DATA). Thus the`
144			`user needs to evoke the linker after assembling the files`
145			`because the Code-Code relocs are word aligned but code-data are`
146			`byte aligned. */`
147			`addend = (reloc_entry->addend - reloc_entry->addend);`
148
149			`/* Handle any addend. */`
150			`addend = reloc_entry->addend;`
151
152			`/* For relocation involving multiple file added becomes zero thus`
153			`this fails - check for zero added. In another case when we try`
154			`to add a stub to a file the addend shows the offset from the`
155			`start od this file. */`
156			`addend = 0;`
157
158			`if (!bfd_is_com_section (symbol_in->section) &&`
159			`((symbol_in->flags & BSF_OLD_COMMON) == 0))`
160			`{`
161			`if (reloc_entry->addend > symbol_in->value)`
162			`addend = reloc_entry->addend - symbol_in->value;`
163
164			`if ((reloc_entry->addend < symbol_in->value)`
165			`&& (reloc_entry->addend != 0))`
166			`addend = reloc_entry->addend - symbol_in->value;`
167
168			`if (reloc_entry->addend == symbol_in->value)`
169			`addend = 0;`
170			`}`
171
172			`if (bfd_is_com_section (symbol_in->section) \|\|`
173			`((symbol_in->flags & BSF_OLD_COMMON) != 0))`
174			`addend = reloc_entry->addend;`
175
176			`if (addend < 0`
177			`&& (call_addr < (long) (addend * (-1))))`
178			`addend = 0;`
179
180			`call_addr += addend;`
181
182			`/* FIXME: This check does not work well with the assembler,`
183			`linker needs to be run always. */`
184			`if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)`
185			`{`
186			`/* Convert it into words. */`
187			`call_addr = call_addr >> 1;`
188
189			`if (call_addr > 0xFFFF) /* Intersegment Jump. */`
190			`{`
191			`bfd_perror (_("Exceeds Long Jump Range"));`
192			`return bfd_reloc_outofrange;`
193			`}`
194			`}`
195			`else`
196			`{`
197			`/* case ABSOLUTE_ADDR_FOR_DATA : Resolves any code-data`
198			`segemnt relocs. These are NOT word aligned. */`
199
200			`if (call_addr > 0xFFFF) /* Intersegment Jump. */`
201			`{`
202			`bfd_perror (_("Absolute address Exceeds 16 bit Range"));`
203			`return bfd_reloc_outofrange;`
204			`}`
205			`}`
206
207			`x = bfd_get_32 (abfd, addr);`
208
209			`x = (x & 0xFF00FF00);`
210			`x = (x \| ((call_addr & HIGH_WORD_MASK) >> 8));`
211			`x = (x \| (call_addr & LOW_WORD_MASK) << 16);`
212
213			`bfd_put_32 (abfd, (bfd_vma) x, addr);`
214			`return bfd_reloc_ok;`
215
216			`case BFD_RELOC_8:`
217			`addend = (reloc_entry->addend - reloc_entry->addend);`
218
219			`if (!bfd_is_com_section (symbol_in->section) &&`
220			`((symbol_in->flags & BSF_OLD_COMMON) == 0))`
221			`{`
222			`if (reloc_entry->addend > symbol_in->value)`
223			`addend = reloc_entry->addend - symbol_in->value;`
224			`if (reloc_entry->addend < symbol_in->value)`
225			`addend = reloc_entry->addend - symbol_in->value;`
226			`if (reloc_entry->addend == symbol_in->value)`
227			`addend = 0;`
228			`}`
229
230			`if (bfd_is_com_section (symbol_in->section) \|\|`
231			`((symbol_in->flags & BSF_OLD_COMMON) != 0))`
232			`addend = reloc_entry->addend;`
233
234			`if (addend < 0`
235			`&& (call_addr < (long) (addend * (-1))))`
236			`addend = 0;`
237
238			`if (call_addr + addend > 0xFF)`
239			`{`
240			`bfd_perror (_("Absolute address Exceeds 8 bit Range"));`
241			`return bfd_reloc_outofrange;`
242			`}`
243
244			`x = bfd_get_8 (abfd, addr);`
245			`x = x & 0x00;`
246			`x = x \| (call_addr + addend);`
247
248			`bfd_put_8 (abfd, (bfd_vma) x, addr);`
249			`return bfd_reloc_ok;`
250
251			`case BFD_RELOC_16:`
252			`addend = (reloc_entry->addend - reloc_entry->addend);`
253			`if (!bfd_is_com_section (symbol_in->section) &&`
254			`((symbol_in->flags & BSF_OLD_COMMON) == 0))`
255			`{`
256			`if (reloc_entry->addend > symbol_in->value)`
257			`addend = reloc_entry->addend - symbol_in->value;`
258
259			`if (reloc_entry->addend < symbol_in->value)`
260			`addend = reloc_entry->addend - symbol_in->value;`
261
262			`if (reloc_entry->addend == symbol_in->value)`
263			`addend = 0;`
264			`}`
265
266			`if (bfd_is_com_section (symbol_in->section) \|\|`
267			`((symbol_in->flags & BSF_OLD_COMMON) != 0))`
268			`addend = reloc_entry->addend;`
269
270			`if (addend < 0`
271			`&& (call_addr < (long) (addend * (-1))))`
272			`addend = 0;`
273
274			`if ((call_addr + addend) > 0xFFFF)`
275			`{`
276			`bfd_perror (_("Absolute address Exceeds 16 bit Range"));`
277			`return bfd_reloc_outofrange;`
278			`}`
279			`else`
280			`{`
281			`unsigned short val = (call_addr + addend);`
282
283			`x = bfd_get_16 (abfd, addr);`
284
285			`/* LE */`
286			`x = (x & 0x0000); /* Flush garbage value. */`
287			`x = val;`
288			`if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)`
289			`x = x >> 1; /* Convert it into words. */`
290			`}`
291
292			`bfd_put_16 (abfd, (bfd_vma) x, addr);`
293			`return bfd_reloc_ok;`
294
295			`case BFD_RELOC_32:`
296			`addend = (reloc_entry->addend - reloc_entry->addend);`
297
298			`if (!bfd_is_com_section (symbol_in->section) &&`
299			`((symbol_in->flags & BSF_OLD_COMMON) == 0))`
300			`{`
301			`if (reloc_entry->addend > symbol_in->value)`
302			`addend = reloc_entry->addend - symbol_in->value;`
303			`if (reloc_entry->addend < symbol_in->value)`
304			`addend = reloc_entry->addend - symbol_in->value;`
305			`if (reloc_entry->addend == symbol_in->value)`
306			`addend = 0;`
307			`}`
308
309			`if (bfd_is_com_section (symbol_in->section) \|\|`
310			`((symbol_in->flags & BSF_OLD_COMMON) != 0))`
311			`addend = reloc_entry->addend;`
312
313			`if (addend < 0`
314			`&& (call_addr < (long) (addend * (-1))))`
315			`addend = 0;`
316
317			`if ((call_addr + addend) < 0)`
318			`{`
319			`bfd_perror ("Absolute address Exceeds 32 bit Range");`
320			`return bfd_reloc_outofrange;`
321			`}`
322
323			`x = bfd_get_32 (abfd, addr);`
324			`x = (x & 0x0000); /* Flush garbage value. */`
325			`x = call_addr + addend;`
326			`if ((symbol_in->section->flags & SEC_CODE) == SEC_CODE)`
327			`x = x >> 1; /* Convert it into words. */`
328
329			`bfd_put_32 (abfd, (bfd_vma) x, addr);`
330			`return bfd_reloc_ok;`
331
332			`default:`
333			`bfd_perror (_("Unrecognized Reloc Type"));`
334			`return bfd_reloc_notsupported;`
335			`}`
336			`}`
337
338			`return bfd_reloc_notsupported;`
339			`}`
340
341			`static reloc_howto_type howto_table[] =`
342			`{`
343			`EMPTY_HOWTO (0),`
344			`EMPTY_HOWTO (1),`
345			`{`
346			`BFD_RELOC_32, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,`
347			`coff_maxq20_reloc, "32Bit", TRUE, 0x000000ff, 0x000000ff, TRUE`
348			`},`
349			`{`
350			`SHORT_JUMP, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,`
351			`coff_maxq20_reloc, "SHORT_JMP", TRUE, 0x000000ff, 0x000000ff, TRUE`
352			`},`
353			`{`
354			`ABSOLUTE_ADDR_FOR_DATA, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,`
355			`coff_maxq20_reloc, "INTERSEGMENT_RELOC", TRUE, 0x00000000, 0x00000000,`
356			`FALSE`
357			`},`
358			`{`
359			`BFD_RELOC_16, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,`
360			`coff_maxq20_reloc, "16Bit", TRUE, 0x000000ff, 0x000000ff, TRUE`
361			`},`
362			`{`
363			`LONG_JUMP, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,`
364			`coff_maxq20_reloc, "LONG_JUMP", TRUE, 0x00000000, 0x00000000, FALSE`
365			`},`
366			`{`
367			`BFD_RELOC_8, 0, 1, 8, FALSE, 0, complain_overflow_bitfield,`
368			`coff_maxq20_reloc, "8bit", TRUE, 0x000000ff, 0x000000ff, TRUE`
369			`},`
370			`EMPTY_HOWTO (8),`
371			`EMPTY_HOWTO (9),`
372			`EMPTY_HOWTO (10),`
373			`};`
374
375			`static reloc_howto_type *`
376			`maxq_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,`
377			`bfd_reloc_code_real_type code)`
378			`{`
379			`switch (code)`
380			`{`
381			`/* SHORT JUMP */`
382			`case BFD_RELOC_16_PCREL_S2:`
383			`return howto_table + 3;`
384
385			`/* INTERSEGMENT JUMP */`
386			`case BFD_RELOC_24:`
387			`return howto_table + 4;`
388
389			`/* BYTE RELOC */`
390			`case BFD_RELOC_8:`
391			`return howto_table + 7;`
392
393			`/* WORD RELOC */`
394			`case BFD_RELOC_16:`
395			`return howto_table + 5;`
396
397			`/* LONG RELOC */`
398			`case BFD_RELOC_32:`
399			`return howto_table + 2;`
400
401			`/* LONG JUMP */`
402			`case BFD_RELOC_14:`
403			`return howto_table + 6;`
404
405			`default:`
406			`return NULL;`
407			`}`
408			`}`
409
410			`static reloc_howto_type *`
411			`maxq_reloc_name_lookup (bfd abfd ATTRIBUTE_UNUSED, const char r_name)`
412			`{`
413			`unsigned int i;`
414
415			`for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++)`
416			`if (howto_table[i].name != NULL`
417			`&& strcasecmp (howto_table[i].name, r_name) == 0)`
418			`return &howto_table[i];`
419
420			`return NULL;`
421			`}`
422
423			`#define coff_bfd_reloc_type_lookup maxq_reloc_type_lookup`
424			`#define coff_bfd_reloc_name_lookup maxq_reloc_name_lookup`
425
426			`/* Perform any necessary magic to the addend in a reloc entry. */`
427			`#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \`
428			`cache_ptr->addend = ext_reloc.r_offset;`
429
430			`#include "coffcode.h"`
431
432			`#ifndef TARGET_UNDERSCORE`
433			`#define TARGET_UNDERSCORE 1`
434			`#endif`
435
436			`#ifndef EXTRA_S_FLAGS`
437			`#define EXTRA_S_FLAGS 0`
438			`#endif`
439
440			`/* Forward declaration for use initialising alternative_target field. */`
441			`CREATE_LITTLE_COFF_TARGET_VEC (maxqcoff_vec, "coff-maxq", 0, EXTRA_S_FLAGS,`
442			`TARGET_UNDERSCORE, NULL, COFF_SWAP_TABLE);`
443