/* Renesas RX specific support for 32-bit ELF.
- Copyright (C) 2008, 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 2008-2022 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#include "sysdep.h"
#include "bfd.h"
-#include "bfd_stdint.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/rx.h"
#include "libiberty.h"
+#include "elf32-rx.h"
#define RX_OPCODE_BIG_ENDIAN 0
/* This is a meta-target that's used only with objcopy, to avoid the
endian-swap we would otherwise get. We check for this in
rx_elf_object_p(). */
-const bfd_target bfd_elf32_rx_be_ns_vec;
-const bfd_target bfd_elf32_rx_be_vec;
+const bfd_target rx_elf32_be_ns_vec;
+const bfd_target rx_elf32_be_vec;
#ifdef DEBUG
char * rx_get_reloc (long);
#define RXREL(n,sz,bit,shift,complain,pcrel) \
HOWTO (R_RX_##n, shift, sz, bit, pcrel, 0, complain_overflow_ ## complain, \
- bfd_elf_generic_reloc, "R_RX_" #n, FALSE, 0, ~0, FALSE)
+ bfd_elf_generic_reloc, "R_RX_" #n, false, 0, ~0, false)
/* Note that the relocations around 0x7f are internal to this file;
feel free to move them as needed to avoid conflicts with published
static reloc_howto_type rx_elf_howto_table [] =
{
- RXREL (NONE, 0, 0, 0, dont, FALSE),
- RXREL (DIR32, 2, 32, 0, signed, FALSE),
- RXREL (DIR24S, 2, 24, 0, signed, FALSE),
- RXREL (DIR16, 1, 16, 0, dont, FALSE),
- RXREL (DIR16U, 1, 16, 0, unsigned, FALSE),
- RXREL (DIR16S, 1, 16, 0, signed, FALSE),
- RXREL (DIR8, 0, 8, 0, dont, FALSE),
- RXREL (DIR8U, 0, 8, 0, unsigned, FALSE),
- RXREL (DIR8S, 0, 8, 0, signed, FALSE),
- RXREL (DIR24S_PCREL, 2, 24, 0, signed, TRUE),
- RXREL (DIR16S_PCREL, 1, 16, 0, signed, TRUE),
- RXREL (DIR8S_PCREL, 0, 8, 0, signed, TRUE),
- RXREL (DIR16UL, 1, 16, 2, unsigned, FALSE),
- RXREL (DIR16UW, 1, 16, 1, unsigned, FALSE),
- RXREL (DIR8UL, 0, 8, 2, unsigned, FALSE),
- RXREL (DIR8UW, 0, 8, 1, unsigned, FALSE),
- RXREL (DIR32_REV, 1, 16, 0, dont, FALSE),
- RXREL (DIR16_REV, 1, 16, 0, dont, FALSE),
- RXREL (DIR3U_PCREL, 0, 3, 0, dont, TRUE),
+ RXREL (NONE, 0, 0, 0, dont, false),
+ RXREL (DIR32, 4, 32, 0, signed, false),
+ RXREL (DIR24S, 4, 24, 0, signed, false),
+ RXREL (DIR16, 2, 16, 0, dont, false),
+ RXREL (DIR16U, 2, 16, 0, unsigned, false),
+ RXREL (DIR16S, 2, 16, 0, signed, false),
+ RXREL (DIR8, 1, 8, 0, dont, false),
+ RXREL (DIR8U, 1, 8, 0, unsigned, false),
+ RXREL (DIR8S, 1, 8, 0, signed, false),
+ RXREL (DIR24S_PCREL, 4, 24, 0, signed, true),
+ RXREL (DIR16S_PCREL, 2, 16, 0, signed, true),
+ RXREL (DIR8S_PCREL, 1, 8, 0, signed, true),
+ RXREL (DIR16UL, 2, 16, 2, unsigned, false),
+ RXREL (DIR16UW, 2, 16, 1, unsigned, false),
+ RXREL (DIR8UL, 1, 8, 2, unsigned, false),
+ RXREL (DIR8UW, 1, 8, 1, unsigned, false),
+ RXREL (DIR32_REV, 2, 16, 0, dont, false),
+ RXREL (DIR16_REV, 2, 16, 0, dont, false),
+ RXREL (DIR3U_PCREL, 1, 3, 0, dont, true),
EMPTY_HOWTO (0x13),
EMPTY_HOWTO (0x14),
EMPTY_HOWTO (0x1e),
EMPTY_HOWTO (0x1f),
- RXREL (RH_3_PCREL, 0, 3, 0, signed, TRUE),
- RXREL (RH_16_OP, 1, 16, 0, signed, FALSE),
- RXREL (RH_24_OP, 2, 24, 0, signed, FALSE),
- RXREL (RH_32_OP, 2, 32, 0, signed, FALSE),
- RXREL (RH_24_UNS, 2, 24, 0, unsigned, FALSE),
- RXREL (RH_8_NEG, 0, 8, 0, signed, FALSE),
- RXREL (RH_16_NEG, 1, 16, 0, signed, FALSE),
- RXREL (RH_24_NEG, 2, 24, 0, signed, FALSE),
- RXREL (RH_32_NEG, 2, 32, 0, signed, FALSE),
- RXREL (RH_DIFF, 2, 32, 0, signed, FALSE),
- RXREL (RH_GPRELB, 1, 16, 0, unsigned, FALSE),
- RXREL (RH_GPRELW, 1, 16, 0, unsigned, FALSE),
- RXREL (RH_GPRELL, 1, 16, 0, unsigned, FALSE),
- RXREL (RH_RELAX, 0, 0, 0, dont, FALSE),
+ RXREL (RH_3_PCREL, 1, 3, 0, signed, true),
+ RXREL (RH_16_OP, 2, 16, 0, signed, false),
+ RXREL (RH_24_OP, 4, 24, 0, signed, false),
+ RXREL (RH_32_OP, 4, 32, 0, signed, false),
+ RXREL (RH_24_UNS, 4, 24, 0, unsigned, false),
+ RXREL (RH_8_NEG, 1, 8, 0, signed, false),
+ RXREL (RH_16_NEG, 2, 16, 0, signed, false),
+ RXREL (RH_24_NEG, 4, 24, 0, signed, false),
+ RXREL (RH_32_NEG, 4, 32, 0, signed, false),
+ RXREL (RH_DIFF, 4, 32, 0, signed, false),
+ RXREL (RH_GPRELB, 2, 16, 0, unsigned, false),
+ RXREL (RH_GPRELW, 2, 16, 0, unsigned, false),
+ RXREL (RH_GPRELL, 2, 16, 0, unsigned, false),
+ RXREL (RH_RELAX, 0, 0, 0, dont, false),
EMPTY_HOWTO (0x2e),
EMPTY_HOWTO (0x2f),
EMPTY_HOWTO (0x3f),
EMPTY_HOWTO (0x40),
- RXREL (ABS32, 2, 32, 0, dont, FALSE),
- RXREL (ABS24S, 2, 24, 0, signed, FALSE),
- RXREL (ABS16, 1, 16, 0, dont, FALSE),
- RXREL (ABS16U, 1, 16, 0, unsigned, FALSE),
- RXREL (ABS16S, 1, 16, 0, signed, FALSE),
- RXREL (ABS8, 0, 8, 0, dont, FALSE),
- RXREL (ABS8U, 0, 8, 0, unsigned, FALSE),
- RXREL (ABS8S, 0, 8, 0, signed, FALSE),
- RXREL (ABS24S_PCREL, 2, 24, 0, signed, TRUE),
- RXREL (ABS16S_PCREL, 1, 16, 0, signed, TRUE),
- RXREL (ABS8S_PCREL, 0, 8, 0, signed, TRUE),
- RXREL (ABS16UL, 1, 16, 0, unsigned, FALSE),
- RXREL (ABS16UW, 1, 16, 0, unsigned, FALSE),
- RXREL (ABS8UL, 0, 8, 0, unsigned, FALSE),
- RXREL (ABS8UW, 0, 8, 0, unsigned, FALSE),
- RXREL (ABS32_REV, 2, 32, 0, dont, FALSE),
- RXREL (ABS16_REV, 1, 16, 0, dont, FALSE),
+ RXREL (ABS32, 4, 32, 0, dont, false),
+ RXREL (ABS24S, 4, 24, 0, signed, false),
+ RXREL (ABS16, 2, 16, 0, dont, false),
+ RXREL (ABS16U, 2, 16, 0, unsigned, false),
+ RXREL (ABS16S, 2, 16, 0, signed, false),
+ RXREL (ABS8, 1, 8, 0, dont, false),
+ RXREL (ABS8U, 1, 8, 0, unsigned, false),
+ RXREL (ABS8S, 1, 8, 0, signed, false),
+ RXREL (ABS24S_PCREL, 4, 24, 0, signed, true),
+ RXREL (ABS16S_PCREL, 2, 16, 0, signed, true),
+ RXREL (ABS8S_PCREL, 1, 8, 0, signed, true),
+ RXREL (ABS16UL, 2, 16, 0, unsigned, false),
+ RXREL (ABS16UW, 2, 16, 0, unsigned, false),
+ RXREL (ABS8UL, 1, 8, 0, unsigned, false),
+ RXREL (ABS8UW, 1, 8, 0, unsigned, false),
+ RXREL (ABS32_REV, 4, 32, 0, dont, false),
+ RXREL (ABS16_REV, 2, 16, 0, dont, false),
#define STACK_REL_P(x) ((x) <= R_RX_ABS16_REV && (x) >= R_RX_ABS32)
/* A 5-bit unsigned displacement to a B/W/L address, at bit position 8/12. */
/* ---- ---- 4--- 3210. */
#define R_RX_RH_ABS5p8B 0x78
- RXREL (RH_ABS5p8B, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p8B, 0, 0, 0, dont, false),
#define R_RX_RH_ABS5p8W 0x79
- RXREL (RH_ABS5p8W, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p8W, 0, 0, 0, dont, false),
#define R_RX_RH_ABS5p8L 0x7a
- RXREL (RH_ABS5p8L, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p8L, 0, 0, 0, dont, false),
/* A 5-bit unsigned displacement to a B/W/L address, at bit position 5/12. */
/* ---- -432 1--- 0---. */
#define R_RX_RH_ABS5p5B 0x7b
- RXREL (RH_ABS5p5B, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p5B, 0, 0, 0, dont, false),
#define R_RX_RH_ABS5p5W 0x7c
- RXREL (RH_ABS5p5W, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p5W, 0, 0, 0, dont, false),
#define R_RX_RH_ABS5p5L 0x7d
- RXREL (RH_ABS5p5L, 0, 0, 0, dont, FALSE),
+ RXREL (RH_ABS5p5L, 0, 0, 0, dont, false),
/* A 4-bit unsigned immediate at bit position 8. */
#define R_RX_RH_UIMM4p8 0x7e
- RXREL (RH_UIMM4p8, 0, 0, 0, dont, FALSE),
+ RXREL (RH_UIMM4p8, 0, 0, 0, dont, false),
/* A 4-bit negative unsigned immediate at bit position 8. */
#define R_RX_RH_UNEG4p8 0x7f
- RXREL (RH_UNEG4p8, 0, 0, 0, dont, FALSE),
+ RXREL (RH_UNEG4p8, 0, 0, 0, dont, false),
/* End of internal relocs. */
- RXREL (SYM, 2, 32, 0, dont, FALSE),
- RXREL (OPneg, 2, 32, 0, dont, FALSE),
- RXREL (OPadd, 2, 32, 0, dont, FALSE),
- RXREL (OPsub, 2, 32, 0, dont, FALSE),
- RXREL (OPmul, 2, 32, 0, dont, FALSE),
- RXREL (OPdiv, 2, 32, 0, dont, FALSE),
- RXREL (OPshla, 2, 32, 0, dont, FALSE),
- RXREL (OPshra, 2, 32, 0, dont, FALSE),
- RXREL (OPsctsize, 2, 32, 0, dont, FALSE),
- RXREL (OPscttop, 2, 32, 0, dont, FALSE),
- RXREL (OPand, 2, 32, 0, dont, FALSE),
- RXREL (OPor, 2, 32, 0, dont, FALSE),
- RXREL (OPxor, 2, 32, 0, dont, FALSE),
- RXREL (OPnot, 2, 32, 0, dont, FALSE),
- RXREL (OPmod, 2, 32, 0, dont, FALSE),
- RXREL (OPromtop, 2, 32, 0, dont, FALSE),
- RXREL (OPramtop, 2, 32, 0, dont, FALSE)
+ RXREL (SYM, 4, 32, 0, dont, false),
+ RXREL (OPneg, 4, 32, 0, dont, false),
+ RXREL (OPadd, 4, 32, 0, dont, false),
+ RXREL (OPsub, 4, 32, 0, dont, false),
+ RXREL (OPmul, 4, 32, 0, dont, false),
+ RXREL (OPdiv, 4, 32, 0, dont, false),
+ RXREL (OPshla, 4, 32, 0, dont, false),
+ RXREL (OPshra, 4, 32, 0, dont, false),
+ RXREL (OPsctsize, 4, 32, 0, dont, false),
+
+ EMPTY_HOWTO (0x89),
+ EMPTY_HOWTO (0x8a),
+ EMPTY_HOWTO (0x8b),
+ EMPTY_HOWTO (0x8c),
+
+ RXREL (OPscttop, 4, 32, 0, dont, false),
+
+ EMPTY_HOWTO (0x8e),
+ EMPTY_HOWTO (0x8f),
+
+ RXREL (OPand, 4, 32, 0, dont, false),
+ RXREL (OPor, 4, 32, 0, dont, false),
+ RXREL (OPxor, 4, 32, 0, dont, false),
+ RXREL (OPnot, 4, 32, 0, dont, false),
+ RXREL (OPmod, 4, 32, 0, dont, false),
+ RXREL (OPromtop, 4, 32, 0, dont, false),
+ RXREL (OPramtop, 4, 32, 0, dont, false)
};
\f
/* Map BFD reloc types to RX ELF reloc types. */
struct rx_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
- unsigned int rx_reloc_val;
+ unsigned int rx_reloc_val;
};
static const struct rx_reloc_map rx_reloc_map [] =
#define BIGE(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
static reloc_howto_type *
-rx_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
+rx_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
unsigned int i;
if (code == BFD_RELOC_RX_32_OP)
return rx_elf_howto_table + R_RX_DIR32;
- for (i = ARRAY_SIZE (rx_reloc_map); --i;)
+ for (i = ARRAY_SIZE (rx_reloc_map); i--;)
if (rx_reloc_map [i].bfd_reloc_val == code)
return rx_elf_howto_table + rx_reloc_map[i].rx_reloc_val;
/* Set the howto pointer for an RX ELF reloc. */
-static void
-rx_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
- arelent * cache_ptr,
+static bool
+rx_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);
- BFD_ASSERT (r_type < (unsigned int) R_RX_max);
+ BFD_ASSERT (R_RX_max == ARRAY_SIZE (rx_elf_howto_table));
+ if (r_type >= ARRAY_SIZE (rx_elf_howto_table))
+ {
+ /* 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 = rx_elf_howto_table + r_type;
+ if (cache_ptr->howto->name == NULL)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ return true;
}
\f
static bfd_vma
-get_symbol_value (const char * name,
- bfd_reloc_status_type * status,
+get_symbol_value (const char * name,
struct bfd_link_info * info,
- bfd * input_bfd,
- asection * input_section,
+ bfd * input_bfd,
+ asection * input_section,
int offset)
{
bfd_vma value = 0;
struct bfd_link_hash_entry * h;
- h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE);
+ h = bfd_link_hash_lookup (info->hash, name, false, false, true);
+
+ if (h == NULL
+ || (h->type != bfd_link_hash_defined
+ && h->type != bfd_link_hash_defweak))
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, offset, true);
+ else
+ value = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+
+ return value;
+}
+
+static bfd_vma
+get_symbol_value_maybe (const char * name,
+ struct bfd_link_info * info)
+{
+ bfd_vma value = 0;
+ struct bfd_link_hash_entry * h;
+
+ h = bfd_link_hash_lookup (info->hash, name, false, false, true);
if (h == NULL
|| (h->type != bfd_link_hash_defined
&& h->type != bfd_link_hash_defweak))
- * status = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, offset, TRUE);
+ return 0;
else
value = (h->u.def.value
+ h->u.def.section->output_section->vma
}
static bfd_vma
-get_gp (bfd_reloc_status_type * status,
- struct bfd_link_info * info,
- bfd * abfd,
- asection * sec,
+get_gp (struct bfd_link_info * info,
+ bfd * abfd,
+ asection * sec,
int offset)
{
- static bfd_boolean cached = FALSE;
- static bfd_vma cached_value = 0;
+ static bool cached = false;
+ static bfd_vma cached_value = 0;
if (!cached)
{
- cached_value = get_symbol_value ("__gp", status, info, abfd, sec, offset);
- cached = TRUE;
+ cached_value = get_symbol_value ("__gp", info, abfd, sec, offset);
+ cached = true;
}
return cached_value;
}
static bfd_vma
-get_romstart (bfd_reloc_status_type * status,
- struct bfd_link_info * info,
- bfd * abfd,
- asection * sec,
+get_romstart (struct bfd_link_info * info,
+ bfd * abfd,
+ asection * sec,
int offset)
{
- static bfd_boolean cached = FALSE;
- static bfd_vma cached_value = 0;
+ static bool cached = false;
+ static bfd_vma cached_value = 0;
if (!cached)
{
- cached_value = get_symbol_value ("_start", status, info, abfd, sec, offset);
- cached = TRUE;
+ cached_value = get_symbol_value ("_start", info, abfd, sec, offset);
+ cached = true;
}
return cached_value;
}
static bfd_vma
-get_ramstart (bfd_reloc_status_type * status,
- struct bfd_link_info * info,
- bfd * abfd,
- asection * sec,
+get_ramstart (struct bfd_link_info * info,
+ bfd * abfd,
+ asection * sec,
int offset)
{
- static bfd_boolean cached = FALSE;
- static bfd_vma cached_value = 0;
+ static bool cached = false;
+ static bfd_vma cached_value = 0;
if (!cached)
{
- cached_value = get_symbol_value ("__datastart", status, info, abfd, sec, offset);
- cached = TRUE;
+ cached_value = get_symbol_value ("__datastart", info, abfd, sec, offset);
+ cached = true;
}
return cached_value;
}
do \
{ \
if (rx_stack_top < NUM_STACK_ENTRIES) \
- rx_stack [rx_stack_top ++] = (val); \
+ rx_stack [rx_stack_top ++] = (val); \
else \
- r = bfd_reloc_dangerous; \
+ r = bfd_reloc_dangerous; \
} \
while (0)
do \
{ \
if (rx_stack_top > 0) \
- (dest) = rx_stack [-- rx_stack_top]; \
+ (dest) = rx_stack [-- rx_stack_top]; \
else \
- (dest) = 0, r = bfd_reloc_dangerous; \
+ (dest) = 0, r = bfd_reloc_dangerous; \
} \
while (0)
section, which means that the addend must be adjusted
accordingly. */
-static bfd_boolean
+static int
rx_elf_relocate_section
- (bfd * output_bfd,
+ (bfd * output_bfd,
struct bfd_link_info * info,
- bfd * input_bfd,
- asection * input_section,
- bfd_byte * contents,
+ bfd * input_bfd,
+ asection * input_section,
+ bfd_byte * contents,
Elf_Internal_Rela * relocs,
- Elf_Internal_Sym * local_syms,
- asection ** local_sections)
+ Elf_Internal_Sym * local_syms,
+ asection ** local_sections)
{
- Elf_Internal_Shdr * symtab_hdr;
- struct elf_link_hash_entry ** sym_hashes;
- Elf_Internal_Rela * rel;
- Elf_Internal_Rela * relend;
- bfd_boolean pid_mode;
- bfd_boolean saw_subtract = FALSE;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+ bool pid_mode;
+ bool saw_subtract = false;
+ const char *table_default_cache = NULL;
+ bfd_vma table_start_cache = 0;
+ bfd_vma table_end_cache = 0;
if (elf_elfheader (output_bfd)->e_flags & E_FLAG_RX_PID)
- pid_mode = TRUE;
+ pid_mode = true;
else
- pid_mode = FALSE;
+ pid_mode = false;
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
relend = relocs + input_section->reloc_count;
for (rel = relocs; rel < relend; rel ++)
{
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
- struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char * name = NULL;
- bfd_boolean unresolved_reloc = TRUE;
- int r_type;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ struct elf_link_hash_entry *h;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char * name = NULL;
+ bool unresolved_reloc = true;
+ int r_type;
r_type = ELF32_R_TYPE (rel->r_info);
r_symndx = ELF32_R_SYM (rel->r_info);
howto = rx_elf_howto_table + ELF32_R_TYPE (rel->r_info);
- h = NULL;
+ h = NULL;
sym = NULL;
sec = NULL;
relocation = 0;
if (rx_stack_top == 0)
- saw_subtract = FALSE;
+ saw_subtract = false;
if (r_symndx < symtab_hdr->sh_info)
{
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (sym->st_name == 0) ? bfd_section_name (input_bfd, sec) : name;
+ name = sym->st_name == 0 ? bfd_section_name (sec) : name;
}
else
{
- bfd_boolean warned;
+ bool warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes, h,
sec, relocation, unresolved_reloc,
- warned);
+ warned, ignored);
name = h->root.root.string;
}
+ if (startswith (name, "$tableentry$default$"))
+ {
+ bfd_vma entry_vma;
+ int idx;
+ char *buf;
+
+ if (table_default_cache != name)
+ {
+
+ /* All relocs for a given table should be to the same
+ (weak) default symbol) so we can use it to detect a
+ cache miss. We use the offset into the table to find
+ the "real" symbol. Calculate and store the table's
+ offset here. */
+
+ table_default_cache = name;
+
+ /* We have already done error checking in rx_table_find(). */
+
+ buf = (char *) bfd_malloc (13 + strlen (name + 20));
+ if (buf == NULL)
+ return false;
+
+ sprintf (buf, "$tablestart$%s", name + 20);
+ table_start_cache = get_symbol_value (buf,
+ info,
+ input_bfd,
+ input_section,
+ rel->r_offset);
+
+ sprintf (buf, "$tableend$%s", name + 20);
+ table_end_cache = get_symbol_value (buf,
+ info,
+ input_bfd,
+ input_section,
+ rel->r_offset);
+
+ free (buf);
+ }
+
+ entry_vma = (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+
+ if (table_end_cache <= entry_vma || entry_vma < table_start_cache)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB:%pA: table entry %s outside table"),
+ input_bfd, input_section,
+ name);
+ }
+ else if ((int) (entry_vma - table_start_cache) % 4)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB:%pA: table entry %s not word-aligned within table"),
+ input_bfd, input_section,
+ name);
+ }
+ else
+ {
+ idx = (int) (entry_vma - table_start_cache) / 4;
+
+ /* This will look like $tableentry$<N>$<name> */
+ buf = (char *) bfd_malloc (12 + 20 + strlen (name + 20));
+ if (buf == NULL)
+ return false;
+
+ sprintf (buf, "$tableentry$%d$%s", idx, name + 20);
+
+ h = (struct elf_link_hash_entry *) bfd_link_hash_lookup (info->hash, buf, false, false, true);
+
+ if (h)
+ {
+ relocation = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);;
+ }
+
+ free (buf);
+ }
+ }
+
if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
rel->r_addend += sec->output_offset;
continue;
r = bfd_reloc_ok;
-#define RANGE(a,b) if (a > (long) relocation || (long) relocation > b) r = bfd_reloc_overflow
-#define ALIGN(m) if (relocation & m) r = bfd_reloc_other;
-#define OP(i) (contents[rel->r_offset + (i)])
+#define RANGE(a,b) \
+ if (a > (long) relocation || (long) relocation > b) \
+ r = bfd_reloc_overflow
+#define ALIGN(m) \
+ if (relocation & m) \
+ r = bfd_reloc_other
+#define OP(i) \
+ (contents[rel->r_offset + (i)])
#define WARN_REDHAT(type) \
- _bfd_error_handler (_("%B:%A: Warning: deprecated Red Hat reloc " type " detected against: %s."), \
- input_bfd, input_section, name)
+ /* xgettext:c-format */ \
+ _bfd_error_handler \
+ (_("%pB:%pA: warning: deprecated Red Hat reloc " \
+ "%s detected against: %s"), \
+ input_bfd, input_section, #type, name)
/* Check for unsafe relocs in PID mode. These are any relocs where
an absolute address is being computed. There are special cases
do \
{ \
if (pid_mode \
- && sec != NULL \
+ && sec != NULL \
&& sec->flags & SEC_READONLY \
&& !(input_section->flags & SEC_DEBUGGING) \
&& strcmp (name, "__pid_base") != 0 \
&& strcmp (name, "__gp") != 0 \
&& strcmp (name, "__romdatastart") != 0 \
&& !saw_subtract) \
- _bfd_error_handler (_("%B(%A): unsafe PID relocation %s at 0x%08lx (against %s in %s)"), \
+ /* xgettext:c-format */ \
+ _bfd_error_handler (_("%pB(%pA): unsafe PID relocation %s " \
+ "at %#" PRIx64 " (against %s in %s)"), \
input_bfd, input_section, howto->name, \
- input_section->output_section->vma + input_section->output_offset + rel->r_offset, \
+ (uint64_t) (input_section->output_section->vma \
+ + input_section->output_offset \
+ + rel->r_offset), \
name, sec->name); \
} \
while (0)
case R_RX_RH_8_NEG:
WARN_REDHAT ("RX_RH_8_NEG");
relocation = - relocation;
+ /* Fall through. */
case R_RX_DIR8S_PCREL:
UNSAFE_FOR_PID;
RANGE (-128, 127);
case R_RX_RH_16_NEG:
WARN_REDHAT ("RX_RH_16_NEG");
relocation = - relocation;
+ /* Fall through. */
case R_RX_DIR16S_PCREL:
UNSAFE_FOR_PID;
RANGE (-32768, 32767);
UNSAFE_FOR_PID;
WARN_REDHAT ("RX_RH_24_NEG");
relocation = - relocation;
+ /* Fall through. */
case R_RX_DIR24S_PCREL:
RANGE (-0x800000, 0x7fffff);
#if RX_OPCODE_BIG_ENDIAN
case R_RX_RH_GPRELB:
WARN_REDHAT ("RX_RH_GPRELB");
- relocation -= get_gp (&r, info, input_bfd, input_section, rel->r_offset);
+ relocation -= get_gp (info, input_bfd, input_section, rel->r_offset);
RANGE (0, 65535);
#if RX_OPCODE_BIG_ENDIAN
OP (1) = relocation;
case R_RX_RH_GPRELW:
WARN_REDHAT ("RX_RH_GPRELW");
- relocation -= get_gp (&r, info, input_bfd, input_section, rel->r_offset);
+ relocation -= get_gp (info, input_bfd, input_section, rel->r_offset);
ALIGN (1);
relocation >>= 1;
RANGE (0, 65535);
case R_RX_RH_GPRELL:
WARN_REDHAT ("RX_RH_GPRELL");
- relocation -= get_gp (&r, info, input_bfd, input_section, rel->r_offset);
+ relocation -= get_gp (info, input_bfd, input_section, rel->r_offset);
ALIGN (3);
relocation >>= 2;
RANGE (0, 65535);
case R_RX_ABS8S:
UNSAFE_FOR_PID;
+ /* Fall through. */
case R_RX_ABS8S_PCREL:
RX_STACK_POP (relocation);
RANGE (-128, 127);
+ sec->output_offset
+ rel->r_addend);
else
- _bfd_error_handler (_("Warning: RX_SYM reloc with an unknown symbol"));
+ _bfd_error_handler
+ (_("warning: RX_SYM reloc with an unknown symbol"));
}
break;
{
int32_t tmp;
+ saw_subtract = true;
RX_STACK_POP (tmp);
tmp = - tmp;
RX_STACK_PUSH (tmp);
{
int32_t tmp1, tmp2;
- saw_subtract = TRUE;
+ saw_subtract = true;
RX_STACK_POP (tmp1);
RX_STACK_POP (tmp2);
tmp2 -= tmp1;
{
int32_t tmp1, tmp2;
- saw_subtract = TRUE;
RX_STACK_POP (tmp1);
RX_STACK_POP (tmp2);
tmp1 /= tmp2;
break;
case R_RX_OPromtop:
- RX_STACK_PUSH (get_romstart (&r, info, input_bfd, input_section, rel->r_offset));
+ RX_STACK_PUSH (get_romstart (info, input_bfd, input_section, rel->r_offset));
break;
case R_RX_OPramtop:
- RX_STACK_PUSH (get_ramstart (&r, info, input_bfd, input_section, rel->r_offset));
+ RX_STACK_PUSH (get_ramstart (info, input_bfd, input_section, rel->r_offset));
break;
default:
/* Catch the case of a missing function declaration
and emit a more helpful error message. */
if (r_type == R_RX_DIR24S_PCREL)
- msg = _("%B(%A): error: call to undefined function '%s'");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): error: call to undefined function '%s'");
else
- r = info->callbacks->reloc_overflow
+ (*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name, (bfd_vma) 0,
input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
- TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, true);
break;
case bfd_reloc_other:
- msg = _("%B(%A): warning: unaligned access to symbol '%s' in the small data area");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): warning: unaligned access to symbol '%s' in the small data area");
break;
case bfd_reloc_outofrange:
- msg = _("%B(%A): internal error: out of range error");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): internal error: out of range error");
break;
case bfd_reloc_notsupported:
- msg = _("%B(%A): internal error: unsupported relocation error");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): internal error: unsupported relocation error");
break;
case bfd_reloc_dangerous:
- msg = _("%B(%A): internal error: dangerous relocation");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): internal error: dangerous relocation");
break;
default:
- msg = _("%B(%A): internal error: unknown error");
+ /* xgettext:c-format */
+ msg = _("%pB(%pA): internal error: unknown error");
break;
}
if (msg)
_bfd_error_handler (msg, input_bfd, input_section, name);
-
- if (! r)
- return FALSE;
}
}
- return TRUE;
+ return true;
}
\f
/* Relaxation Support. */
/* Delete some bytes from a section while relaxing. */
-static bfd_boolean
+static bool
elf32_rx_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, int count,
- Elf_Internal_Rela *alignment_rel, int force_snip)
+ Elf_Internal_Rela *alignment_rel, int force_snip,
+ Elf_Internal_Rela *irelstart)
{
Elf_Internal_Shdr * symtab_hdr;
- unsigned int sec_shndx;
- bfd_byte * contents;
+ unsigned int sec_shndx;
+ bfd_byte * contents;
Elf_Internal_Rela * irel;
Elf_Internal_Rela * irelend;
Elf_Internal_Sym * isym;
Elf_Internal_Sym * isymend;
- bfd_vma toaddr;
- unsigned int symcount;
+ bfd_vma toaddr;
+ unsigned int symcount;
struct elf_link_hash_entry ** sym_hashes;
struct elf_link_hash_entry ** end_hashes;
if (alignment_rel)
toaddr = alignment_rel->r_offset;
- irel = elf_section_data (sec)->relocs;
- irelend = irel + sec->reloc_count;
+ BFD_ASSERT (toaddr > addr);
/* Actually delete the bytes. */
memmove (contents + addr, contents + addr + count,
else
memset (contents + toaddr - count, 0x03, count);
+ irel = irelstart;
+ BFD_ASSERT (irel != NULL || sec->reloc_count == 0);
+ irelend = irel + sec->reloc_count;
+
/* Adjust all the relocs. */
- for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
+ for (; irel < irelend; irel++)
{
/* Get the new reloc address. */
if (irel->r_offset > addr
}
}
- return TRUE;
+ return true;
}
/* Used to sort relocs by address. If relocs have the same address,
reloc_bubblesort (Elf_Internal_Rela * r, int count)
{
int i;
- bfd_boolean again;
- bfd_boolean swappit;
+ bool again;
+ bool swappit;
/* This is almost a classic bubblesort. It's the slowest sort, but
we're taking advantage of the fact that the relocations are
mostly in order already (the assembler emits them that way) and
we need relocs with the same address to remain in the same
relative order. */
- again = TRUE;
+ again = true;
while (again)
{
- again = FALSE;
+ again = false;
for (i = 0; i < count - 1; i ++)
{
if (r[i].r_offset > r[i + 1].r_offset)
- swappit = TRUE;
+ swappit = true;
else if (r[i].r_offset < r[i + 1].r_offset)
- swappit = FALSE;
+ swappit = false;
else if (ELF32_R_TYPE (r[i + 1].r_info) == R_RX_RH_RELAX
&& (r[i + 1].r_addend & RX_RELAXA_ALIGN))
- swappit = TRUE;
+ swappit = true;
else if (ELF32_R_TYPE (r[i + 1].r_info) == R_RX_RH_RELAX
&& (r[i + 1].r_addend & RX_RELAXA_ELIGN)
&& !(ELF32_R_TYPE (r[i].r_info) == R_RX_RH_RELAX
&& (r[i].r_addend & RX_RELAXA_ALIGN)))
- swappit = TRUE;
+ swappit = true;
else
- swappit = FALSE;
+ swappit = false;
if (swappit)
{
most of the O(n^2) behavior for our cases. */
if (i > 0)
i -= 2;
- again = TRUE;
+ again = true;
}
}
}
lrel, abfd, sec, link_info, scale)
static bfd_vma
-rx_offset_for_reloc (bfd * abfd,
+rx_offset_for_reloc (bfd * abfd,
Elf_Internal_Rela * rel,
Elf_Internal_Shdr * symtab_hdr,
- Elf_External_Sym_Shndx * shndx_buf ATTRIBUTE_UNUSED,
- Elf_Internal_Sym * intsyms,
+ bfd_byte * shndx_buf ATTRIBUTE_UNUSED,
+ Elf_Internal_Sym * intsyms,
Elf_Internal_Rela ** lrel,
- bfd * input_bfd,
- asection * input_section,
+ bfd * input_bfd,
+ asection * input_section,
struct bfd_link_info * info,
- int * scale)
+ int * scale)
{
bfd_vma symval;
bfd_reloc_status_type r;
break;
case R_RX_OPromtop:
- RX_STACK_PUSH (get_romstart (&r, info, input_bfd, input_section, rel->r_offset));
+ RX_STACK_PUSH (get_romstart (info, input_bfd, input_section, rel->r_offset));
break;
case R_RX_OPramtop:
- RX_STACK_PUSH (get_ramstart (&r, info, input_bfd, input_section, rel->r_offset));
+ RX_STACK_PUSH (get_ramstart (info, input_bfd, input_section, rel->r_offset));
break;
case R_RX_DIR16UL:
rel ++;
}
+ /* FIXME. */
+ (void) r;
}
static void
/* Relax one section. */
-static bfd_boolean
-elf32_rx_relax_section (bfd * abfd,
- asection * sec,
- struct bfd_link_info * link_info,
- bfd_boolean * again,
- bfd_boolean allow_pcrel3)
+static bool
+elf32_rx_relax_section (bfd *abfd,
+ asection *sec,
+ struct bfd_link_info *link_info,
+ bool *again,
+ bool allow_pcrel3)
{
- Elf_Internal_Shdr * symtab_hdr;
- Elf_Internal_Shdr * shndx_hdr;
- Elf_Internal_Rela * internal_relocs;
- Elf_Internal_Rela * free_relocs = NULL;
- Elf_Internal_Rela * irel;
- Elf_Internal_Rela * srel;
- Elf_Internal_Rela * irelend;
- Elf_Internal_Rela * next_alignment;
- Elf_Internal_Rela * prev_alignment;
- bfd_byte * contents = NULL;
- bfd_byte * free_contents = NULL;
- Elf_Internal_Sym * intsyms = NULL;
- Elf_Internal_Sym * free_intsyms = NULL;
- Elf_External_Sym_Shndx * shndx_buf = NULL;
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_Internal_Shdr *shndx_hdr;
+ Elf_Internal_Rela *internal_relocs;
+ Elf_Internal_Rela *irel;
+ Elf_Internal_Rela *srel;
+ Elf_Internal_Rela *irelend;
+ Elf_Internal_Rela *next_alignment;
+ Elf_Internal_Rela *prev_alignment;
+ bfd_byte *contents = NULL;
+ bfd_byte *free_contents = NULL;
+ Elf_Internal_Sym *intsyms = NULL;
+ Elf_Internal_Sym *free_intsyms = NULL;
+ bfd_byte *shndx_buf = NULL;
bfd_vma pc;
bfd_vma sec_start;
bfd_vma symval = 0;
int scale;
/* Assume nothing changes. */
- *again = FALSE;
+ *again = false;
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocatable
+ if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
- return TRUE;
+ return true;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
+ symtab_hdr = & elf_symtab_hdr (abfd);
+ if (elf_symtab_shndx_list (abfd))
+ shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
+ else
+ shndx_hdr = NULL;
sec_start = sec->output_section->vma + sec->output_offset;
symtab_hdr->contents = (bfd_byte *) intsyms;
}
- if (shndx_hdr->sh_size != 0)
+ if (shndx_hdr && shndx_hdr->sh_size != 0)
{
- bfd_size_type amt;
+ size_t amt;
- amt = symtab_hdr->sh_info;
- amt *= sizeof (Elf_External_Sym_Shndx);
- shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
- if (shndx_buf == NULL)
+ if (_bfd_mul_overflow (symtab_hdr->sh_info,
+ sizeof (Elf_External_Sym_Shndx), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ goto error_return;
+ }
+ if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0)
goto error_return;
- if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread (shndx_buf, amt, abfd) != amt)
+ shndx_buf = _bfd_malloc_and_read (abfd, amt, amt);
+ if (shndx_buf == NULL)
goto error_return;
- shndx_hdr->contents = (bfd_byte *) shndx_buf;
+ shndx_hdr->contents = shndx_buf;
}
/* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
+ /* Note - we ignore the setting of link_info->keep_memory when reading
+ in these relocs. We have to maintain a permanent copy of the relocs
+ because we are going to walk over them multiple times, adjusting them
+ as bytes are deleted from the section, and with this relaxation
+ function itself being called multiple times on the same section... */
+ internal_relocs = _bfd_elf_link_read_relocs
+ (abfd, sec, NULL, (Elf_Internal_Rela *) NULL, true);
if (internal_relocs == NULL)
goto error_return;
- if (! link_info->keep_memory)
- free_relocs = internal_relocs;
/* The RL_ relocs must be just before the operand relocs they go
with, so we must sort them to guarantee this. We use bubblesort
nbytes *= alignment;
elf32_rx_relax_delete_bytes (abfd, sec, erel->r_offset-nbytes, nbytes, next_alignment,
- erel->r_offset == sec->size);
- *again = TRUE;
+ erel->r_offset == sec->size, internal_relocs);
+ *again = true;
continue;
}
reloc entry (such as gp-rel symbols). */
/* Get the value of the symbol referred to by the reloc. Just
- in case this is the last reloc in the list, use the RL's
- addend to choose between this reloc (no addend) or the next
- (yes addend, which means at least one following reloc). */
+ in case this is the last reloc in the list, use the RL's
+ addend to choose between this reloc (no addend) or the next
+ (yes addend, which means at least one following reloc). */
/* srel points to the "current" reloction for this insn -
actually the last reloc for a given operand, which is the one
nrelocs --;
#define SNIPNR(offset, nbytes) \
- elf32_rx_relax_delete_bytes (abfd, sec, (insn - contents) + offset, nbytes, next_alignment, 0);
+ elf32_rx_relax_delete_bytes (abfd, sec, (insn - contents) + offset, nbytes, next_alignment, 0, internal_relocs);
#define SNIP(offset, nbytes, newtype) \
- SNIPNR (offset, nbytes); \
+ SNIPNR (offset, nbytes); \
srel->r_info = ELF32_R_INFO (ELF32_R_SYM (srel->r_info), newtype)
/* The order of these bit tests must match the order that the
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (3, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
{
insn[0] &= 0xfc;
SNIP (2, 1, R_RX_NONE);
- *again = TRUE;
+ *again = true;
}
/* Special case DSP:5 format: MOV.bwl dsp:5[Rsrc],Rdst. */
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (offset+1, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
{
insn[0] &= 0xf3;
SNIP (offset, 1, R_RX_NONE);
- *again = TRUE;
+ *again = true;
}
/* Special case DSP:5 format: MOV.bwl Rsrc,dsp:5[Rdst] */
else if (code == 1 && symval/scale <= 31
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (offset, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
else if (code == 1 && symval == 0)
{
insn[1] &= 0xfc;
SNIP (offset, 1, R_RX_NONE);
- *again = TRUE;
+ *again = true;
}
}
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
newrel = R_RX_DIR8U;
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
else if (code == 2 && ssymval <= 127 && ssymval >= -128)
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
move_reloc (irel, srel, -1);
SNIP (2, 1, R_RX_RH_UIMM4p8);
- *again = TRUE;
+ *again = true;
}
/* Special case UIMM4 format: ADD -> ADD/SUB. */
move_reloc (irel, srel, -1);
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (offset, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
if (newrel != ELF32_R_TYPE (srel->r_info))
{
SNIP (offset, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
newrel = R_RX_DIR8U;
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
else if (code == 2 && ssymval <= 127 && ssymval >= -128)
if (newrel != ELF32_R_TYPE(srel->r_info))
{
SNIP (offset, 1, newrel);
- *again = TRUE;
+ *again = true;
}
}
move_reloc (irel, srel, -1);
SNIP (2, 1, R_RX_RH_UIMM4p8);
- *again = TRUE;
+ *again = true;
}
}
{
insn[0] = 0x38;
SNIP (3, 1, newrel);
- *again = TRUE;
+ *again = true;
}
break;
{
insn[0] = 0x2e;
SNIP (2, 1, newrel);
- *again = TRUE;
+ *again = true;
}
break;
insn[0] = 0x08;
SNIP (1, 1, newrel);
move_reloc (irel, srel, -1);
- *again = TRUE;
+ *again = true;
}
break;
{
insn[0] = 0x39;
SNIP (1, 1, newrel);
- *again = TRUE;
+ *again = true;
}
break;
{
insn[0] = 0x20 | (insn[0] & 1);
SNIP (1, 1, newrel);
- *again = TRUE;
+ *again = true;
}
break;
insn[0] = 0x10 | ((insn[0] & 1) << 3);
SNIP (1, 1, newrel);
move_reloc (irel, srel, -1);
- *again = TRUE;
+ *again = true;
}
break;
will get moved too, and too much. */
SNIP (3, 2, newrel);
move_reloc (irel, srel, -1);
- *again = TRUE;
+ *again = true;
}
break;
}
insn[1] = 0x05;
insn[2] = 0x38;
SNIP (5, 1, newrel);
- *again = TRUE;
+ *again = true;
}
/* Special case - synthetic conditional branches, pcrel16 */
delete_bytes move it also. */
move_reloc (irel, srel, -2);
SNIP (2, 3, newrel);
- *again = TRUE;
+ *again = true;
}
}
break;
case 0:
#if RX_OPCODE_BIG_ENDIAN
- imm_val = (ip[0] << 24) | (ip[1] << 16) | (ip[2] << 8) | ip[3];
+ imm_val = ((unsigned) ip[0] << 24) | (ip[1] << 16) | (ip[2] << 8) | ip[3];
#else
- imm_val = (ip[3] << 24) | (ip[2] << 16) | (ip[1] << 8) | ip[0];
+ imm_val = ((unsigned) ip[3] << 24) | (ip[2] << 16) | (ip[1] << 8) | ip[0];
#endif
break;
}
}
SNIPNR (3, ilen - 3);
- *again = TRUE;
+ *again = true;
/* We can't relax this new opcode. */
irel->r_addend = 0;
don't request a pass after that one! */
if (!*again && !allow_pcrel3)
{
- bfd_boolean ignored;
+ bool ignored;
- elf32_rx_relax_section (abfd, sec, link_info, &ignored, TRUE);
+ elf32_rx_relax_section (abfd, sec, link_info, &ignored, true);
}
- return TRUE;
+ return true;
error_return:
- if (free_relocs != NULL)
- free (free_relocs);
-
- if (free_contents != NULL)
- free (free_contents);
+ free (free_contents);
if (shndx_buf != NULL)
{
free (shndx_buf);
}
- if (free_intsyms != NULL)
- free (free_intsyms);
+ free (free_intsyms);
- return FALSE;
+ return false;
}
-static bfd_boolean
-elf32_rx_relax_section_wrapper (bfd * abfd,
- asection * sec,
- struct bfd_link_info * link_info,
- bfd_boolean * again)
+static bool
+elf32_rx_relax_section_wrapper (bfd *abfd,
+ asection *sec,
+ struct bfd_link_info *link_info,
+ bool *again)
{
- return elf32_rx_relax_section (abfd, sec, link_info, again, FALSE);
+ return elf32_rx_relax_section (abfd, sec, link_info, again, false);
}
\f
/* Function to set the ELF flag bits. */
-static bfd_boolean
+static bool
rx_elf_set_private_flags (bfd * abfd, flagword flags)
{
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
- return TRUE;
+ elf_flags_init (abfd) = true;
+ return true;
}
-static bfd_boolean no_warn_mismatch = FALSE;
-static bfd_boolean ignore_lma = TRUE;
+static bool no_warn_mismatch = false;
+static bool ignore_lma = true;
-void bfd_elf32_rx_set_target_flags (bfd_boolean, bfd_boolean);
+void bfd_elf32_rx_set_target_flags (bool, bool);
void
-bfd_elf32_rx_set_target_flags (bfd_boolean user_no_warn_mismatch,
- bfd_boolean user_ignore_lma)
+bfd_elf32_rx_set_target_flags (bool user_no_warn_mismatch,
+ bool user_ignore_lma)
{
no_warn_mismatch = user_no_warn_mismatch;
ignore_lma = user_ignore_lma;
}
+/* Converts FLAGS into a descriptive string.
+ Returns a static pointer. */
+
+static const char *
+describe_flags (flagword flags, char *buf)
+{
+ buf[0] = 0;
+
+ if (flags & E_FLAG_RX_64BIT_DOUBLES)
+ strcat (buf, "64-bit doubles");
+ else
+ strcat (buf, "32-bit doubles");
+
+ if (flags & E_FLAG_RX_DSP)
+ strcat (buf, ", dsp");
+ else
+ strcat (buf, ", no dsp");
+
+ if (flags & E_FLAG_RX_PID)
+ strcat (buf, ", pid");
+ else
+ strcat (buf, ", no pid");
+
+ if (flags & E_FLAG_RX_ABI)
+ strcat (buf, ", RX ABI");
+ else
+ strcat (buf, ", GCC ABI");
+
+ if (flags & E_FLAG_RX_SINSNS_SET)
+ strcat (buf, flags & E_FLAG_RX_SINSNS_YES ? ", uses String instructions" : ", bans String instructions");
+
+ return buf;
+}
+
/* Merge backend specific data from an object file to the output
object file when linking. */
-static bfd_boolean
-rx_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
+static bool
+rx_elf_merge_private_bfd_data (bfd * ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword old_flags;
flagword new_flags;
- bfd_boolean error = FALSE;
+ bool error = false;
new_flags = elf_elfheader (ibfd)->e_flags;
old_flags = elf_elfheader (obfd)->e_flags;
if (!elf_flags_init (obfd))
{
/* First call, no flags set. */
- elf_flags_init (obfd) = TRUE;
+ elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = new_flags;
}
else if (old_flags != new_flags)
{
- flagword known_flags = E_FLAG_RX_64BIT_DOUBLES | E_FLAG_RX_DSP | E_FLAG_RX_PID;
+ flagword known_flags;
+
+ if (old_flags & E_FLAG_RX_SINSNS_SET)
+ {
+ if ((new_flags & E_FLAG_RX_SINSNS_SET) == 0)
+ {
+ new_flags &= ~ E_FLAG_RX_SINSNS_MASK;
+ new_flags |= (old_flags & E_FLAG_RX_SINSNS_MASK);
+ }
+ }
+ else if (new_flags & E_FLAG_RX_SINSNS_SET)
+ {
+ old_flags &= ~ E_FLAG_RX_SINSNS_MASK;
+ old_flags |= (new_flags & E_FLAG_RX_SINSNS_MASK);
+ }
+
+ known_flags = E_FLAG_RX_ABI | E_FLAG_RX_64BIT_DOUBLES
+ | E_FLAG_RX_DSP | E_FLAG_RX_PID | E_FLAG_RX_SINSNS_MASK;
if ((old_flags ^ new_flags) & known_flags)
{
}
else
{
- (*_bfd_error_handler)
- ("ELF header flags mismatch: old_flags = 0x%.8lx, new_flags = 0x%.8lx, filename = %s",
- old_flags, new_flags, bfd_get_filename (ibfd));
- error = TRUE;
+ char buf[128];
+
+ _bfd_error_handler (_("there is a conflict merging the"
+ " ELF header flags from %pB"),
+ ibfd);
+ _bfd_error_handler (_(" the input file's flags: %s"),
+ describe_flags (new_flags, buf));
+ _bfd_error_handler (_(" the output file's flags: %s"),
+ describe_flags (old_flags, buf));
+ error = true;
}
}
else
return !error;
}
\f
-static bfd_boolean
+static bool
rx_elf_print_private_bfd_data (bfd * abfd, void * ptr)
{
FILE * file = (FILE *) ptr;
flagword flags;
+ char buf[128];
BFD_ASSERT (abfd != NULL && ptr != NULL);
flags = elf_elfheader (abfd)->e_flags;
fprintf (file, _("private flags = 0x%lx:"), (long) flags);
- if (flags & E_FLAG_RX_64BIT_DOUBLES)
- fprintf (file, _(" [64-bit doubles]"));
- if (flags & E_FLAG_RX_DSP)
- fprintf (file, _(" [dsp]"));
-
- fputc ('\n', file);
- return TRUE;
+ fprintf (file, "%s", describe_flags (flags, buf));
+ return true;
}
/* Return the MACH for an e_flags value. */
static int
-elf32_rx_machine (bfd * abfd)
+elf32_rx_machine (bfd * abfd ATTRIBUTE_UNUSED)
{
+#if 0 /* FIXME: EF_RX_CPU_MASK collides with E_FLAG_RX_...
+ Need to sort out how these flag bits are used.
+ For now we assume that the flags are OK. */
if ((elf_elfheader (abfd)->e_flags & EF_RX_CPU_MASK) == EF_RX_CPU_RX)
- return bfd_mach_rx;
+#endif
+ if ((elf_elfheader (abfd)->e_flags & E_FLAG_RX_V2))
+ return bfd_mach_rx_v2;
+ else if ((elf_elfheader (abfd)->e_flags & E_FLAG_RX_V3))
+ return bfd_mach_rx_v3;
+ else
+ return bfd_mach_rx;
return 0;
}
-static bfd_boolean
+static bool
rx_elf_object_p (bfd * abfd)
{
int i;
unsigned int u;
Elf_Internal_Phdr *phdr = elf_tdata (abfd)->phdr;
- int nphdrs = elf_elfheader (abfd)->e_phnum;
+ Elf_Internal_Ehdr *ehdr = elf_elfheader (abfd);
+ int nphdrs = ehdr->e_phnum;
sec_ptr bsec;
- static int saw_be = FALSE;
+ static int saw_be = false;
+ bfd_vma end_phdroff;
/* We never want to automatically choose the non-swapping big-endian
target. The user can only get that explicitly, such as with -I
and objcopy. */
- if (abfd->xvec == &bfd_elf32_rx_be_ns_vec
+ if (abfd->xvec == &rx_elf32_be_ns_vec
&& abfd->target_defaulted)
- return FALSE;
+ return false;
/* BFD->target_defaulted is not set to TRUE when a target is chosen
as a fallback, so we check for "scanning" to know when to stop
using the non-swapping target. */
- if (abfd->xvec == &bfd_elf32_rx_be_ns_vec
+ if (abfd->xvec == &rx_elf32_be_ns_vec
&& saw_be)
- return FALSE;
- if (abfd->xvec == &bfd_elf32_rx_be_vec)
- saw_be = TRUE;
+ return false;
+ if (abfd->xvec == &rx_elf32_be_vec)
+ saw_be = true;
bfd_default_set_arch_mach (abfd, bfd_arch_rx,
elf32_rx_machine (abfd));
corresponds (based on matching file offsets) and use its VMA
information to reconstruct the p_vaddr field we clobbered when we
wrote it out. */
+ /* If PT_LOAD headers include the ELF file header or program headers
+ then the PT_LOAD header does not start with some section contents.
+ Making adjustments based on the difference between sh_offset and
+ p_offset is nonsense in such cases. Exclude them. Note that
+ since standard linker scripts for RX do not use SIZEOF_HEADERS,
+ the linker won't normally create PT_LOAD segments covering the
+ headers so this is mainly for passing the ld testsuite.
+ FIXME. Why are we looking at non-PT_LOAD headers here? */
+ end_phdroff = ehdr->e_ehsize;
+ if (ehdr->e_phoff != 0)
+ end_phdroff = ehdr->e_phoff + nphdrs * ehdr->e_phentsize;
for (i=0; i<nphdrs; i++)
{
for (u=0; u<elf_tdata(abfd)->num_elf_sections; u++)
Elf_Internal_Shdr *sec = elf_tdata(abfd)->elf_sect_ptr[u];
if (phdr[i].p_filesz
+ && phdr[i].p_offset >= end_phdroff
&& phdr[i].p_offset <= (bfd_vma) sec->sh_offset
+ && sec->sh_size > 0
+ && sec->sh_type != SHT_NOBITS
&& (bfd_vma)sec->sh_offset <= phdr[i].p_offset + (phdr[i].p_filesz - 1))
{
/* Found one! The difference between the two addresses,
}
}
- return TRUE;
+ return true;
+}
+
+static bool
+rx_linux_object_p (bfd * abfd)
+{
+ bfd_default_set_arch_mach (abfd, bfd_arch_rx, elf32_rx_machine (abfd));
+ return true;
}
\f
Elf_Internal_Sym * isymend;
Elf_Internal_Sym * isym;
Elf_Internal_Shdr * symtab_hdr;
- bfd_boolean free_internal = FALSE, free_external = FALSE;
char * st_info_str;
char * st_info_stb_str;
char * st_other_str;
char * st_shndx_str;
- if (! internal_syms)
- {
- internal_syms = bfd_malloc (1000);
- free_internal = 1;
- }
- if (! external_syms)
- {
- external_syms = bfd_malloc (1000);
- free_external = 1;
- }
-
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
locsymcount = symtab_hdr->sh_size / get_elf_backend_data (abfd)->s->sizeof_sym;
- if (free_internal)
+ if (!internal_syms)
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
symtab_hdr->sh_info, 0,
internal_syms, external_syms, NULL);
{
switch (ELF_ST_TYPE (isym->st_info))
{
- case STT_FUNC: st_info_str = "STT_FUNC";
- case STT_SECTION: st_info_str = "STT_SECTION";
- case STT_FILE: st_info_str = "STT_FILE";
- case STT_OBJECT: st_info_str = "STT_OBJECT";
- case STT_TLS: st_info_str = "STT_TLS";
+ case STT_FUNC: st_info_str = "STT_FUNC"; break;
+ case STT_SECTION: st_info_str = "STT_SECTION"; break;
+ case STT_FILE: st_info_str = "STT_FILE"; break;
+ case STT_OBJECT: st_info_str = "STT_OBJECT"; break;
+ case STT_TLS: st_info_str = "STT_TLS"; break;
default: st_info_str = "";
}
switch (ELF_ST_BIND (isym->st_info))
{
- case STB_LOCAL: st_info_stb_str = "STB_LOCAL";
- case STB_GLOBAL: st_info_stb_str = "STB_GLOBAL";
+ case STB_LOCAL: st_info_stb_str = "STB_LOCAL"; break;
+ case STB_GLOBAL: st_info_stb_str = "STB_GLOBAL"; break;
default: st_info_stb_str = "";
}
switch (ELF_ST_VISIBILITY (isym->st_other))
{
- case STV_DEFAULT: st_other_str = "STV_DEFAULT";
- case STV_INTERNAL: st_other_str = "STV_INTERNAL";
- case STV_PROTECTED: st_other_str = "STV_PROTECTED";
+ case STV_DEFAULT: st_other_str = "STV_DEFAULT"; break;
+ case STV_INTERNAL: st_other_str = "STV_INTERNAL"; break;
+ case STV_PROTECTED: st_other_str = "STV_PROTECTED"; break;
default: st_other_str = "";
}
switch (isym->st_shndx)
{
- case SHN_ABS: st_shndx_str = "SHN_ABS";
- case SHN_COMMON: st_shndx_str = "SHN_COMMON";
- case SHN_UNDEF: st_shndx_str = "SHN_UNDEF";
+ case SHN_ABS: st_shndx_str = "SHN_ABS"; break;
+ case SHN_COMMON: st_shndx_str = "SHN_COMMON"; break;
+ case SHN_UNDEF: st_shndx_str = "SHN_UNDEF"; break;
default: st_shndx_str = "";
}
isym->st_other, st_other_str,
isym->st_shndx, st_shndx_str);
}
- if (free_internal)
- free (internal_syms);
- if (free_external)
- free (external_syms);
}
char *
have code sections stored with 32-bit words swapped relative to
what you'd get by default. */
-static bfd_boolean
-rx_get_section_contents (bfd * abfd,
+static bool
+rx_get_section_contents (bfd * abfd,
sec_ptr section,
- void * location,
+ void * location,
file_ptr offset,
bfd_size_type count)
{
int exec = (abfd->flags & EXEC_P) ? 1 : 0;
int s_code = (section->flags & SEC_CODE) ? 1 : 0;
- bfd_boolean rv;
+ bool rv;
#ifdef DJDEBUG
fprintf (stderr, "dj: get %ld %ld from %s %s e%d sc%d %08lx:%08lx\n",
char * cloc = (char *) location;
bfd_size_type cnt, end_cnt;
- rv = TRUE;
+ rv = true;
/* Fetch and swap unaligned bytes at the beginning. */
if (offset % 4)
- {
+ {
char buf[4];
rv = _bfd_generic_get_section_contents (abfd, section, buf,
- (offset & -4), 4);
+ (offset & -4), 4);
if (!rv)
- return FALSE;
+ return false;
bfd_putb32 (bfd_getl32 (buf), buf);
rv = _bfd_generic_get_section_contents (abfd, section, cloc, offset,
count - end_cnt);
if (!rv)
- return FALSE;
+ return false;
for (cnt = count; cnt >= 4; cnt -= 4, cloc += 4)
bfd_putb32 (bfd_getl32 (cloc), cloc);
/* Fetch the end bytes. */
rv = _bfd_generic_get_section_contents (abfd, section, buf,
- offset + count - end_cnt, 4);
+ offset + count - end_cnt, 4);
if (!rv)
- return FALSE;
+ return false;
bfd_putb32 (bfd_getl32 (buf), buf);
memcpy (cloc, buf, end_cnt);
}
#ifdef DJDEBUG
-static bfd_boolean
-rx2_set_section_contents (bfd * abfd,
+static bool
+rx2_set_section_contents (bfd * abfd,
sec_ptr section,
const void * location,
file_ptr offset,
#define _bfd_elf_set_section_contents rx2_set_section_contents
#endif
-static bfd_boolean
-rx_set_section_contents (bfd * abfd,
+static bool
+rx_set_section_contents (bfd * abfd,
sec_ptr section,
const void * location,
file_ptr offset,
bfd_size_type count)
{
- bfd_boolean exec = (abfd->flags & EXEC_P) ? TRUE : FALSE;
- bfd_boolean s_code = (section->flags & SEC_CODE) ? TRUE : FALSE;
- bfd_boolean rv;
+ bool exec = (abfd->flags & EXEC_P) != 0;
+ bool s_code = (section->flags & SEC_CODE) != 0;
+ bool rv;
char * swapped_data = NULL;
bfd_size_type i;
bfd_vma caddr = section->vma + offset;
if (! rv)
return rv;
- location ++;
+ location = (bfd_byte *) location + 1;
offset ++;
count --;
caddr ++;
char * cloc = (char *) location;
swapped_data = (char *) bfd_alloc (abfd, count);
+ if (swapped_data == NULL)
+ return false;
for (i = 0; i < count; i += 4)
{
}
count -= scount;
- location += scount;
+ location = (bfd_byte *) location + scount;
offset += scount;
if (count > 0)
if (! rv)
return rv;
- location ++;
+ location = (bfd_byte *) location + 1;
offset ++;
count --;
caddr ++;
}
}
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
rx_final_link (bfd * abfd, struct bfd_link_info * info)
{
asection * o;
return bfd_elf_final_link (abfd, info);
}
-static bfd_boolean
-elf32_rx_modify_program_headers (bfd * abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info * info ATTRIBUTE_UNUSED)
+static bool
+elf32_rx_modify_headers (bfd *abfd, struct bfd_link_info *info)
{
const struct elf_backend_data * bed;
struct elf_obj_tdata * tdata;
bed = get_elf_backend_data (abfd);
tdata = elf_tdata (abfd);
phdr = tdata->phdr;
- count = tdata->program_header_size / bed->s->sizeof_phdr;
+ count = elf_program_header_size (abfd) / bed->s->sizeof_phdr;
if (ignore_lma)
for (i = count; i-- != 0;)
#endif
}
- return TRUE;
+ return _bfd_elf_modify_headers (abfd, info);
}
+
+/* The default literal sections should always be marked as "code" (i.e.,
+ SHF_EXECINSTR). This is particularly important for big-endian mode
+ when we do not want their contents byte reversed. */
+static const struct bfd_elf_special_section elf32_rx_special_sections[] =
+{
+ { STRING_COMMA_LEN (".init_array"), 0, SHT_INIT_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
+ { STRING_COMMA_LEN (".fini_array"), 0, SHT_FINI_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
+ { STRING_COMMA_LEN (".preinit_array"), 0, SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
+ { NULL, 0, 0, 0, 0 }
+};
+\f
+typedef struct {
+ bfd *abfd;
+ struct bfd_link_info *info;
+ bfd_vma table_start;
+ int table_size;
+ bfd_vma *table_handlers;
+ bfd_vma table_default_handler;
+ struct bfd_link_hash_entry **table_entries;
+ struct bfd_link_hash_entry *table_default_entry;
+ FILE *mapfile;
+} RX_Table_Info;
+
+static bool
+rx_table_find (struct bfd_hash_entry *vent, void *vinfo)
+{
+ RX_Table_Info *info = (RX_Table_Info *)vinfo;
+ struct bfd_link_hash_entry *ent = (struct bfd_link_hash_entry *)vent;
+ const char *name; /* of the symbol we've found */
+ asection *sec;
+ struct bfd *abfd;
+ int idx;
+ const char *tname; /* name of the table */
+ bfd_vma start_addr, end_addr;
+ char *buf;
+ struct bfd_link_hash_entry * h;
+
+ /* We're looking for globally defined symbols of the form
+ $tablestart$<NAME>. */
+ if (ent->type != bfd_link_hash_defined
+ && ent->type != bfd_link_hash_defweak)
+ return true;
+
+ name = ent->root.string;
+ sec = ent->u.def.section;
+ abfd = sec->owner;
+
+ if (!startswith (name, "$tablestart$"))
+ return true;
+
+ sec->flags |= SEC_KEEP;
+
+ tname = name + 12;
+
+ start_addr = ent->u.def.value;
+
+ /* At this point, we can't build the table but we can (and must)
+ find all the related symbols and mark their sections as SEC_KEEP
+ so we don't garbage collect them. */
+
+ buf = (char *) bfd_malloc (12 + 10 + strlen (tname));
+ if (buf == NULL)
+ return false;
+
+ sprintf (buf, "$tableend$%s", tname);
+ h = bfd_link_hash_lookup (info->info->hash, buf, false, false, true);
+ if (!h || (h->type != bfd_link_hash_defined
+ && h->type != bfd_link_hash_defweak))
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB:%pA: table %s missing corresponding %s"),
+ abfd, sec, name, buf);
+ return true;
+ }
+
+ if (h->u.def.section != ent->u.def.section)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB:%pA: %s and %s must be in the same input section"),
+ h->u.def.section->owner, h->u.def.section,
+ name, buf);
+ return true;
+ }
+
+ end_addr = h->u.def.value;
+
+ sprintf (buf, "$tableentry$default$%s", tname);
+ h = bfd_link_hash_lookup (info->info->hash, buf, false, false, true);
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ {
+ h->u.def.section->flags |= SEC_KEEP;
+ }
+
+ for (idx = 0; idx < (int) (end_addr - start_addr) / 4; idx ++)
+ {
+ sprintf (buf, "$tableentry$%d$%s", idx, tname);
+ h = bfd_link_hash_lookup (info->info->hash, buf, false, false, true);
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ {
+ h->u.def.section->flags |= SEC_KEEP;
+ }
+ }
+
+ /* Return TRUE to keep scanning, FALSE to end the traversal. */
+ return true;
+}
+
+/* We need to check for table entry symbols and build the tables, and
+ we need to do it before the linker does garbage collection. This function is
+ called once per input object file. */
+static bool
+rx_check_directives
+ (bfd * abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info * info ATTRIBUTE_UNUSED)
+{
+ RX_Table_Info stuff;
+
+ stuff.abfd = abfd;
+ stuff.info = info;
+ bfd_hash_traverse (&(info->hash->table), rx_table_find, &stuff);
+
+ return true;
+}
+
+\f
+static bool
+rx_table_map_2 (struct bfd_hash_entry *vent, void *vinfo)
+{
+ RX_Table_Info *info = (RX_Table_Info *)vinfo;
+ struct bfd_link_hash_entry *ent = (struct bfd_link_hash_entry *)vent;
+ int idx;
+ const char *name;
+ bfd_vma addr;
+
+ /* See if the symbol ENT has an address listed in the table, and
+ isn't a debug/special symbol. If so, put it in the table. */
+
+ if (ent->type != bfd_link_hash_defined
+ && ent->type != bfd_link_hash_defweak)
+ return true;
+
+ name = ent->root.string;
+
+ if (name[0] == '$' || name[0] == '.' || name[0] < ' ')
+ return true;
+
+ addr = (ent->u.def.value
+ + ent->u.def.section->output_section->vma
+ + ent->u.def.section->output_offset);
+
+ for (idx = 0; idx < info->table_size; idx ++)
+ if (addr == info->table_handlers[idx])
+ info->table_entries[idx] = ent;
+
+ if (addr == info->table_default_handler)
+ info->table_default_entry = ent;
+
+ return true;
+}
+
+static bool
+rx_table_map (struct bfd_hash_entry *vent, void *vinfo)
+{
+ RX_Table_Info *info = (RX_Table_Info *)vinfo;
+ struct bfd_link_hash_entry *ent = (struct bfd_link_hash_entry *)vent;
+ const char *name; /* of the symbol we've found */
+ int idx;
+ const char *tname; /* name of the table */
+ bfd_vma start_addr, end_addr;
+ char *buf;
+ struct bfd_link_hash_entry * h;
+ int need_elipses;
+
+ /* We're looking for globally defined symbols of the form
+ $tablestart$<NAME>. */
+ if (ent->type != bfd_link_hash_defined
+ && ent->type != bfd_link_hash_defweak)
+ return true;
+
+ name = ent->root.string;
+
+ if (!startswith (name, "$tablestart$"))
+ return true;
+
+ tname = name + 12;
+ start_addr = (ent->u.def.value
+ + ent->u.def.section->output_section->vma
+ + ent->u.def.section->output_offset);
+
+ buf = (char *) bfd_malloc (12 + 10 + strlen (tname));
+ if (buf == NULL)
+ return false;
+
+ sprintf (buf, "$tableend$%s", tname);
+ end_addr = get_symbol_value_maybe (buf, info->info);
+
+ sprintf (buf, "$tableentry$default$%s", tname);
+ h = bfd_link_hash_lookup (info->info->hash, buf, false, false, true);
+ if (h)
+ {
+ info->table_default_handler = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+ }
+ else
+ /* Zero is a valid handler address! */
+ info->table_default_handler = (bfd_vma) (-1);
+ info->table_default_entry = NULL;
+
+ info->table_start = start_addr;
+ info->table_size = (int) (end_addr - start_addr) / 4;
+ info->table_handlers = (bfd_vma *)
+ bfd_malloc (info->table_size * sizeof (bfd_vma));
+ if (info->table_handlers == NULL)
+ {
+ free (buf);
+ return false;
+ }
+ info->table_entries = (struct bfd_link_hash_entry **)
+ bfd_malloc (info->table_size * sizeof (struct bfd_link_hash_entry));
+ if (info->table_entries == NULL)
+ {
+ free (info->table_handlers);
+ free (buf);
+ return false;
+ }
+
+ for (idx = 0; idx < (int) (end_addr - start_addr) / 4; idx ++)
+ {
+ sprintf (buf, "$tableentry$%d$%s", idx, tname);
+ h = bfd_link_hash_lookup (info->info->hash, buf, false, false, true);
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ {
+ info->table_handlers[idx] = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+ }
+ else
+ info->table_handlers[idx] = info->table_default_handler;
+ info->table_entries[idx] = NULL;
+ }
+
+ free (buf);
+
+ bfd_hash_traverse (&(info->info->hash->table), rx_table_map_2, info);
+
+ fprintf (info->mapfile, "\nRX Vector Table: %s has %d entries at 0x%08" BFD_VMA_FMT "x\n\n",
+ tname, info->table_size, start_addr);
+
+ if (info->table_default_entry)
+ fprintf (info->mapfile, " default handler is: %s at 0x%08" BFD_VMA_FMT "x\n",
+ info->table_default_entry->root.string,
+ info->table_default_handler);
+ else if (info->table_default_handler != (bfd_vma)(-1))
+ fprintf (info->mapfile, " default handler is at 0x%08" BFD_VMA_FMT "x\n",
+ info->table_default_handler);
+ else
+ fprintf (info->mapfile, " no default handler\n");
+
+ need_elipses = 1;
+ for (idx = 0; idx < info->table_size; idx ++)
+ {
+ if (info->table_handlers[idx] == info->table_default_handler)
+ {
+ if (need_elipses)
+ fprintf (info->mapfile, " . . .\n");
+ need_elipses = 0;
+ continue;
+ }
+ need_elipses = 1;
+
+ fprintf (info->mapfile, " 0x%08" BFD_VMA_FMT "x [%3d] ", start_addr + 4 * idx, idx);
+
+ if (info->table_handlers[idx] == (bfd_vma) (-1))
+ fprintf (info->mapfile, "(no handler found)\n");
+
+ else if (info->table_handlers[idx] == info->table_default_handler)
+ {
+ if (info->table_default_entry)
+ fprintf (info->mapfile, "(default)\n");
+ else
+ fprintf (info->mapfile, "(default)\n");
+ }
+
+ else if (info->table_entries[idx])
+ {
+ fprintf (info->mapfile, "0x%08" BFD_VMA_FMT "x %s\n", info->table_handlers[idx], info->table_entries[idx]->root.string);
+ }
+
+ else
+ {
+ fprintf (info->mapfile, "0x%08" BFD_VMA_FMT "x ???\n", info->table_handlers[idx]);
+ }
+ }
+ if (need_elipses)
+ fprintf (info->mapfile, " . . .\n");
+
+ return true;
+}
+
+void
+rx_additional_link_map_text (bfd *obfd, struct bfd_link_info *info, FILE *mapfile)
+{
+ /* We scan the symbol table looking for $tableentry$'s, and for
+ each, try to deduce which handlers go with which entries. */
+
+ RX_Table_Info stuff;
+
+ stuff.abfd = obfd;
+ stuff.info = info;
+ stuff.mapfile = mapfile;
+ bfd_hash_traverse (&(info->hash->table), rx_table_map, &stuff);
+}
+
\f
#define ELF_ARCH bfd_arch_rx
#define ELF_MACHINE_CODE EM_RX
#define ELF_MAXPAGESIZE 0x1000
-#define TARGET_BIG_SYM bfd_elf32_rx_be_vec
+#define TARGET_BIG_SYM rx_elf32_be_vec
#define TARGET_BIG_NAME "elf32-rx-be"
-#define TARGET_LITTLE_SYM bfd_elf32_rx_le_vec
+#define TARGET_LITTLE_SYM rx_elf32_le_vec
#define TARGET_LITTLE_NAME "elf32-rx-le"
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto rx_info_to_howto_rela
#define elf_backend_object_p rx_elf_object_p
#define elf_backend_relocate_section rx_elf_relocate_section
-#define elf_symbol_leading_char ('_')
+#define elf_symbol_leading_char ('_')
#define elf_backend_can_gc_sections 1
-#define elf_backend_modify_program_headers elf32_rx_modify_program_headers
+#define elf_backend_modify_headers elf32_rx_modify_headers
#define bfd_elf32_bfd_reloc_type_lookup rx_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup rx_reloc_name_lookup
#define bfd_elf32_set_section_contents rx_set_section_contents
#define bfd_elf32_bfd_final_link rx_final_link
#define bfd_elf32_bfd_relax_section elf32_rx_relax_section_wrapper
+#define elf_backend_special_sections elf32_rx_special_sections
+#define elf_backend_check_directives rx_check_directives
#include "elf32-target.h"
section get/set hooks, for times when we want to preserve the
pre-swapped .text sections (like objcopy). */
-#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_rx_be_ns_vec
-#undef TARGET_BIG_NAME
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM rx_elf32_be_ns_vec
+#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elf32-rx-be-ns"
-#undef TARGET_LITTLE_SYM
+#undef TARGET_LITTLE_SYM
#undef bfd_elf32_get_section_contents
#undef bfd_elf32_set_section_contents
#define elf32_bed elf32_rx_be_ns_bed
#include "elf32-target.h"
+
+#undef TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM rx_elf32_linux_le_vec
+#undef TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME "elf32-rx-linux"
+#undef TARGET_BIG_SYM
+#undef TARGET_BIG_NAME
+
+#undef elf_backend_object_p
+#define elf_backend_object_p rx_linux_object_p
+#undef elf_symbol_leading_char
+#undef elf32_bed
+#define elf32_bed elf32_rx_le_linux_bed
+
+#include "elf32-target.h"
projects / binutils-gdb.git / blobdiff