summaryrefslogtreecommitdiff
path: root/bfd/elf32-v850.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/elf32-v850.c')
-rw-r--r--bfd/elf32-v850.c141
1 files changed, 73 insertions, 68 deletions
diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c
index e2c29ee192204..e5f283a9d0c34 100644
--- a/bfd/elf32-v850.c
+++ b/bfd/elf32-v850.c
@@ -1,6 +1,6 @@
/* V850-specific support for 32-bit ELF
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@@ -22,8 +22,8 @@
/* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
dependencies. As is the gas & simulator code for the v850. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
@@ -33,6 +33,8 @@
/* Sign-extend a 24-bit number. */
#define SEXT24(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000)
+static reloc_howto_type v850_elf_howto_table[];
+
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
table. */
@@ -1337,6 +1339,22 @@ v850_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
return NULL;
}
+
+static reloc_howto_type *
+v850_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (v850_elf_howto_table) / sizeof (v850_elf_howto_table[0]);
+ i++)
+ if (v850_elf_howto_table[i].name != NULL
+ && strcasecmp (v850_elf_howto_table[i].name, r_name) == 0)
+ return &v850_elf_howto_table[i];
+
+ return NULL;
+}
/* Set the howto pointer for an V850 ELF reloc. */
@@ -1565,9 +1583,6 @@ v850_elf_relocate_section (bfd *output_bfd,
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- if (info->relocatable)
- return TRUE;
-
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
@@ -1596,7 +1611,6 @@ v850_elf_relocate_section (bfd *output_bfd,
|| r_type == R_V850_GNU_VTINHERIT)
continue;
- /* This is a final link. */
howto = v850_elf_howto_table + r_type;
h = NULL;
sym = NULL;
@@ -1629,6 +1643,20 @@ v850_elf_relocate_section (bfd *output_bfd,
unresolved_reloc, warned);
}
+ if (sec != NULL && elf_discarded_section (sec))
+ {
+ /* For relocs against symbols from removed linkonce sections,
+ or sections discarded by a linker script, we just want the
+ section contents zeroed. Avoid any special processing. */
+ _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
+ rel->r_info = 0;
+ rel->r_addend = 0;
+ continue;
+ }
+
+ if (info->relocatable)
+ continue;
+
/* FIXME: We should use the addend, but the COFF relocations don't. */
r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
input_section,
@@ -1709,50 +1737,22 @@ v850_elf_relocate_section (bfd *output_bfd,
return TRUE;
}
-static bfd_boolean
-v850_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
-{
- /* No got and plt entries for v850-elf. */
- return TRUE;
-}
-
static asection *
v850_elf_gc_mark_hook (asection *sec,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
Elf_Internal_Rela *rel,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
+ switch (ELF32_R_TYPE (rel->r_info))
{
case R_V850_GNU_VTINHERIT:
case R_V850_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
+ return NULL;
+ }
- return NULL;
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Set the right machine number. */
@@ -2115,6 +2115,12 @@ v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
sym->st_shndx = SHN_V850_ZCOMMON;
}
+ /* The price we pay for using h->other unused bits as flags in the
+ linker is cleaning up after ourselves. */
+
+ sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA
+ | V850_OTHER_ERROR);
+
return TRUE;
}
@@ -3026,33 +3032,32 @@ v850_elf_relax_section (bfd *abfd,
static const struct bfd_elf_special_section v850_elf_special_sections[] =
{
- { ".call_table_data", 16, 0, SHT_PROGBITS, (SHF_ALLOC
- + SHF_WRITE) },
- { ".call_table_text", 16, 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_EXECINSTR) },
- { ".rosdata", 8, -2, SHT_PROGBITS, (SHF_ALLOC
- + SHF_V850_GPREL) },
- { ".rozdata", 8, -2, SHT_PROGBITS, (SHF_ALLOC
- + SHF_V850_R0REL) },
- { ".sbss", 5, -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_GPREL) },
- { ".scommon", 8, -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_GPREL) },
- { ".sdata", 6, -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_GPREL) },
- { ".tbss", 5, -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_EPREL) },
- { ".tcommon", 8, -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_R0REL) },
- { ".tdata", 6, -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_EPREL) },
- { ".zbss", 5, -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_R0REL) },
- { ".zcommon", 8, -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_R0REL) },
- { ".zdata", 6, -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
- + SHF_V850_R0REL) },
- { NULL, 0, 0, 0, 0 }
+ { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) },
+ { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_EXECINSTR) },
+ { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC
+ + SHF_V850_GPREL) },
+ { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC
+ + SHF_V850_R0REL) },
+ { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_GPREL) },
+ { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_GPREL) },
+ { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_GPREL) },
+ { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_EPREL) },
+ { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_R0REL) },
+ { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_EPREL) },
+ { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_R0REL) },
+ { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_R0REL) },
+ { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
+ + SHF_V850_R0REL) },
+ { NULL, 0, 0, 0, 0 }
};
#define TARGET_LITTLE_SYM bfd_elf32_v850_vec
@@ -3077,7 +3082,6 @@ static const struct bfd_elf_special_section v850_elf_special_sections[] =
#define elf_backend_section_from_shdr v850_elf_section_from_shdr
#define elf_backend_fake_sections v850_elf_fake_sections
#define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook v850_elf_gc_sweep_hook
#define elf_backend_special_sections v850_elf_special_sections
#define elf_backend_can_gc_sections 1
@@ -3085,6 +3089,7 @@ static const struct bfd_elf_special_section v850_elf_special_sections[] =
#define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
#define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup
#define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-06 02:46:48 +0000