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-rw-r--r--bfd/coff-arm.c109
1 files changed, 78 insertions, 31 deletions
diff --git a/bfd/coff-arm.c b/bfd/coff-arm.c
index 6b83dc7af7fd..28cd4e736ea1 100644
--- a/bfd/coff-arm.c
+++ b/bfd/coff-arm.c
@@ -1,6 +1,6 @@
/* BFD back-end for ARM COFF files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Written by Cygnus Support.
@@ -20,8 +20,8 @@
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 "coff/arm.h"
#include "coff/internal.h"
@@ -163,6 +163,19 @@ coff_arm_reloc (bfd *abfd,
/* These most certainly belong somewhere else. Just had to get rid of
the manifest constants in the code. */
+
+#ifdef ARM_WINCE
+
+#define ARM_26D 0
+#define ARM_32 1
+#define ARM_RVA32 2
+#define ARM_26 3
+#define ARM_THUMB12 4
+#define ARM_SECTION 14
+#define ARM_SECREL 15
+
+#else
+
#define ARM_8 0
#define ARM_16 1
#define ARM_32 2
@@ -179,20 +192,6 @@ coff_arm_reloc (bfd *abfd,
#define ARM_THUMB12 13
#define ARM_THUMB23 14
-#ifdef ARM_WINCE
-#undef ARM_32
-#undef ARM_RVA32
-#undef ARM_26
-#undef ARM_THUMB12
-#undef ARM_26D
-
-#define ARM_26D 0
-#define ARM_32 1
-#define ARM_RVA32 2
-#define ARM_26 3
-#define ARM_THUMB12 4
-#define ARM_SECTION 14
-#define ARM_SECREL 15
#endif
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
@@ -220,7 +219,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_dont,
aoutarm_fix_pcrel_26_done,
"ARM_26D",
- FALSE,
+ TRUE, /* partial_inplace. */
0x00ffffff,
0x0,
PCRELOFFSET),
@@ -233,7 +232,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
@@ -246,7 +245,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_RVA32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
@@ -294,7 +293,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECTION",
- FALSE,
+ TRUE, /* partial_inplace. */
0x0000ffff,
0x0000ffff,
PCRELOFFSET),
@@ -307,7 +306,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECREL",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
@@ -539,6 +538,32 @@ coff_arm_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
if (rel->r_type == ARM_RVA32)
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
+#if defined COFF_WITH_PE && defined ARM_WINCE
+ if (rel->r_type == ARM_SECREL)
+ {
+ bfd_vma osect_vma;
+
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ osect_vma = h->root.u.def.section->output_section->vma;
+ else
+ {
+ asection *sec;
+ int i;
+
+ /* Sigh, the only way to get the section to offset against
+ is to find it the hard way. */
+
+ for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
+ sec = sec->next;
+
+ osect_vma = sec->output_section->vma;
+ }
+
+ *addendp -= osect_vma;
+ }
+#endif
+
return howto;
}
@@ -808,6 +833,7 @@ coff_arm_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
ASTD (BFD_RELOC_RVA, ARM_RVA32);
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
+ ASTD (BFD_RELOC_32_SECREL, ARM_SECREL);
#else
ASTD (BFD_RELOC_8, ARM_8);
ASTD (BFD_RELOC_16, ARM_16);
@@ -827,6 +853,23 @@ coff_arm_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
}
}
+static reloc_howto_type *
+coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (aoutarm_std_reloc_howto)
+ / sizeof (aoutarm_std_reloc_howto[0]));
+ i++)
+ if (aoutarm_std_reloc_howto[i].name != NULL
+ && strcasecmp (aoutarm_std_reloc_howto[i].name, r_name) == 0)
+ return &aoutarm_std_reloc_howto[i];
+
+ return NULL;
+}
+
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
#define COFF_PAGE_SIZE 0x1000
@@ -1209,12 +1252,14 @@ coff_arm_relocate_section (bfd *output_bfd,
generation of bl's instruction offset. */
addend -= 8;
#endif
- howto = &fake_arm26_reloc;
+ howto = & fake_arm26_reloc;
}
#ifdef ARM_WINCE
/* MS ARM-CE makes the reloc relative to the opcode's pc, not
the next opcode's pc, so is off by one. */
+ if (howto->pc_relative && !info->relocatable)
+ addend -= 8;
#endif
/* If we are doing a relocatable link, then we can just ignore
@@ -1938,12 +1983,11 @@ bfd_arm_get_bfd_for_interworking (bfd * abfd,
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, ARM2THUMB_GLUE_SECTION_NAME);
-
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
@@ -1952,12 +1996,12 @@ bfd_arm_get_bfd_for_interworking (bfd * abfd,
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, THUMB2ARM_GLUE_SECTION_NAME);
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
@@ -2085,6 +2129,7 @@ bfd_arm_process_before_allocation (bfd * abfd,
#endif /* ! defined (COFF_IMAGE_WITH_PE) */
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup coff_arm_reloc_name_lookup
#define coff_relocate_section coff_arm_relocate_section
#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
#define coff_adjust_symndx coff_arm_adjust_symndx
@@ -2397,7 +2442,9 @@ Warning: Clearing the interworking flag of %B because non-interworking code in %
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
*must* match the definitions in gcc/config/arm/{coff|semi|aout}.h. */
+#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX ""
+#endif
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-22 17:38:19 +0000