-/* BFD back-end for Intel arm COFF files.
+/* BFD back-end for ARM COFF files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
Written by Cygnus Support.
static bfd_reloc_status_type coff_arm_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+
+/* Used by the assembler. */
static bfd_reloc_status_type
coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
error_message)
char **error_message;
{
symvalue diff;
-
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
- if (bfd_is_com_section (symbol->section))
- {
- /* We are relocating a common symbol. The current value in the
- object file is ORIG + OFFSET, where ORIG is the value of the
- common symbol as seen by the object file when it was compiled
- (this may be zero if the symbol was undefined) and OFFSET is
- the offset into the common symbol (normally zero, but may be
- non-zero when referring to a field in a common structure).
- ORIG is the negative of reloc_entry->addend, which is set by
- the CALC_ADDEND macro below. We want to replace the value in
- the object file with NEW + OFFSET, where NEW is the value of
- the common symbol which we are going to put in the final
- object file. NEW is symbol->value. */
- diff = symbol->value + reloc_entry->addend;
- }
- else
- {
- /* For some reason bfd_perform_relocation always effectively
- ignores the addend for a COFF target when producing
- relocateable output. This seems to be always wrong for 386
- COFF, so we handle the addend here instead. */
- diff = reloc_entry->addend;
- }
+ diff = reloc_entry->addend;
#define DOIT(x) \
x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
- if (diff != 0)
- {
- reloc_howto_type *howto = reloc_entry->howto;
- unsigned char *addr = (unsigned char *) data + reloc_entry->address;
-
- switch (howto->size)
- {
- case 0:
- {
- char x = bfd_get_8 (abfd, addr);
- DOIT (x);
- bfd_put_8 (abfd, x, addr);
- }
- break;
-
- case 1:
- {
- short x = bfd_get_16 (abfd, addr);
- DOIT (x);
- bfd_put_16 (abfd, x, addr);
- }
- break;
+ if (diff != 0)
+ {
+ reloc_howto_type *howto = reloc_entry->howto;
+ unsigned char *addr = (unsigned char *) data + reloc_entry->address;
- case 2:
+ switch (howto->size)
{
- long x = bfd_get_32 (abfd, addr);
- DOIT (x);
- bfd_put_32 (abfd, x, addr);
+ case 0:
+ {
+ char x = bfd_get_8 (abfd, addr);
+ DOIT (x);
+ bfd_put_8 (abfd, x, addr);
+ }
+ break;
+
+ case 1:
+ {
+ short x = bfd_get_16 (abfd, addr);
+ DOIT (x);
+ bfd_put_16 (abfd, x, addr);
+ }
+ break;
+
+ case 2:
+ {
+ long x = bfd_get_32 (abfd, addr);
+ DOIT (x);
+ bfd_put_32 (abfd, x, addr);
+ }
+ break;
+
+ default:
+ abort ();
}
- break;
-
- default:
- abort ();
- }
- }
+ }
/* Now let bfd_perform_relocation finish everything up. */
return bfd_reloc_continue;
complain_overflow_signed,
aoutarm_fix_pcrel_26 ,
"ARM26",
- true,
+ false,
0x00ffffff,
0x00ffffff,
PCRELOFFSET),
0xffffffff,
PCRELOFFSET),
};
+#ifdef COFF_WITH_PE
+/* Return true if this relocation should
+ appear in the output .reloc section. */
+static boolean in_reloc_p (abfd, howto)
+ bfd * abfd;
+ reloc_howto_type *howto;
+{
+ return !howto->pc_relative && howto->type != 11;
+}
+#endif
#define RTYPE2HOWTO(cache_ptr, dst) \
(cache_ptr)->howto = aoutarm_std_reloc_howto + (dst)->r_type;
+#define coff_rtype_to_howto coff_arm_rtype_to_howto
+
+static reloc_howto_type *
+coff_arm_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
+ bfd *abfd;
+ asection *sec;
+ struct internal_reloc *rel;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ bfd_vma *addendp;
+{
+ reloc_howto_type *howto;
+
+ howto = aoutarm_std_reloc_howto + rel->r_type;
+
+ if (rel->r_type == 11)
+ {
+ *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
+ }
+ return howto;
+
+}
+/* Used by the assembler. */
+
static bfd_reloc_status_type
aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
return bfd_reloc_ok;
}
+/* Used by the assembler. */
+
static bfd_reloc_status_type
aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
reloc_entry->howto = &aoutarm_std_reloc_howto[7];
-
+
return flag;
}
+
static CONST struct reloc_howto_struct *
arm_reloc_type_lookup(abfd,code)
bfd *abfd;
#define coff_bfd_reloc_type_lookup arm_reloc_type_lookup
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
-/* The page size is a guess based on ELF. */
#define COFF_PAGE_SIZE 0x1000
-
-/* For some reason when using arm COFF the value stored in the .text
- section for a reference to a common symbol is the value itself plus
- any desired offset. Ian Taylor, Cygnus Support. */
-
-/* If we are producing relocateable output, we need to do some
- adjustments to the object file that are not done by the
- bfd_perform_relocation function. This function is called by every
- reloc type to make any required adjustments. */
-
-static bfd_reloc_status_type
-aacoff_arm_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;
-{
- symvalue diff;
-
- if (output_bfd == (bfd *) NULL)
- return bfd_reloc_continue;
-
- if (bfd_is_com_section (symbol->section))
- {
- /* We are relocating a common symbol. The current value in the
- object file is ORIG + OFFSET, where ORIG is the value of the
- common symbol as seen by the object file when it was compiled
- (this may be zero if the symbol was undefined) and OFFSET is
- the offset into the common symbol (normally zero, but may be
- non-zero when referring to a field in a common structure).
- ORIG is the negative of reloc_entry->addend, which is set by
- the CALC_ADDEND macro below. We want to replace the value in
- the object file with NEW + OFFSET, where NEW is the value of
- the common symbol which we are going to put in the final
- object file. NEW is symbol->value. */
- diff = symbol->value + reloc_entry->addend;
- }
- else
- {
- /* For some reason bfd_perform_relocation always effectively
- ignores the addend for a COFF target when producing
- relocateable output. This seems to be always wrong for arm
- COFF, so we handle the addend here instead. */
- diff = reloc_entry->addend;
- }
-
-#define DOIT(x) \
- x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
-
- if (diff != 0)
- {
- reloc_howto_type *howto = reloc_entry->howto;
- unsigned char *addr = (unsigned char *) data + reloc_entry->address;
-
- switch (howto->size)
- {
- case 0:
- {
- char x = bfd_get_8 (abfd, addr);
- DOIT (x);
- bfd_put_8 (abfd, x, addr);
- }
- break;
-
- case 1:
- {
- short x = bfd_get_16 (abfd, addr);
- DOIT (x);
- bfd_put_16 (abfd, x, addr);
- }
- break;
-
- case 2:
- {
- long x = bfd_get_32 (abfd, addr);
- DOIT (x);
- bfd_put_32 (abfd, x, addr);
- }
- break;
-
- default:
- abort ();
- }
- }
-
- /* Now let bfd_perform_relocation finish everything up. */
- return bfd_reloc_continue;
-}
-
-
-
-
-
/* Turn a howto into a reloc nunmber */
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
#define ARM 1 /* Customize coffcode.h */
-/* On SCO Unix 3.2.2 the native assembler generates two .data
- sections. We handle that by renaming the second one to .data2. It
- does no harm to do this for any arm COFF target. */
-#define TWO_DATA_SECS
-
-/* For arm COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
- library. On some other COFF targets STYP_BSS is normally
- STYP_NOLOAD. */
-#define BSS_NOLOAD_IS_SHARED_LIBRARY
-
-
/* We use the special COFF backend linker. */
#define coff_relocate_section _bfd_coff_generic_relocate_section
-
#include "coffcode.h"
-static const bfd_target *
-i3coff_object_p(a)
- bfd *a;
-{
- return coff_object_p(a);
-}
-
+const bfd_target
#ifdef TARGET_LITTLE_SYM
-const bfd_target TARGET_LITTLE_SYM =
+TARGET_LITTLE_SYM =
+#else
+armcoff_little_vec =
+#endif
{
- TARGET_LITTLE_NAME, /* name or coff-arm-little */
+#ifdef TARGET_LITTLE_NAME
+ TARGET_LITTLE_NAME,
+#else
+ "coff-arm-little",
+#endif
bfd_target_coff_flavour,
false, /* data byte order is little */
false, /* header byte order is little */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- 2, /* minimum alignment power */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
/* Note that we allow an object file to be treated as a core file as well. */
- {_bfd_dummy_target, i3coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, i3coff_object_p},
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, coff_object_p},
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
COFF_SWAP_TABLE,
};
-#endif
+const bfd_target
#ifdef TARGET_BIG_SYM
-const bfd_target TARGET_BIG_SYM =
+TARGET_BIG_SYM =
+#else
+armcoff_big_vec =
+#endif
{
- TARGET_BIG_NAME, /* name or coff-arm-big */
+#ifdef TARGET_BIG_NAME
+ TARGET_BIG_NAME,
+#else
+ "coff-arm-big",
+#endif
bfd_target_coff_flavour,
true, /* data byte order is big */
true, /* header byte order is big */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- 2, /* minimum alignment power */
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
/* Note that we allow an object file to be treated as a core file as well. */
- {_bfd_dummy_target, i3coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, i3coff_object_p},
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, coff_object_p},
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
COFF_SWAP_TABLE,
};
-#endif