#include <stdio.h>
#include "as.h"
#include "bfd.h"
#include "subsegs.h"
#define DEFINE_TABLE
#include "opcodes/sh-opc.h"
#include "safe-ctype.h"
#include "struc-symbol.h"
#ifdef OBJ_ELF
#include "elf/sh.h"
#endif
#include "dwarf2dbg.h"
#include "dw2gencfi.h"
typedef struct
{
sh_arg_type type;
int reg;
expressionS immediate;
}
sh_operand_info;
const char comment_chars[] = "!";
const char line_separator_chars[] = ";";
const char line_comment_chars[] = "!#";
static void s_uses (int);
static void s_uacons (int);
#ifdef OBJ_ELF
static void sh_elf_cons (int);
symbolS *GOT_symbol;
#endif
static void
big (int ignore ATTRIBUTE_UNUSED)
{
if (! target_big_endian)
as_bad (_("directive .big encountered when option -big required"));
target_big_endian = 1;
}
static void
little (int ignore ATTRIBUTE_UNUSED)
{
if (target_big_endian)
as_bad (_("directive .little encountered when option -little required"));
target_big_endian = 0;
}
const pseudo_typeS md_pseudo_table[] =
{
#ifdef OBJ_ELF
{"long", sh_elf_cons, 4},
{"int", sh_elf_cons, 4},
{"word", sh_elf_cons, 2},
{"short", sh_elf_cons, 2},
#else
{"int", cons, 4},
{"word", cons, 2},
#endif
{"big", big, 0},
{"form", listing_psize, 0},
{"little", little, 0},
{"heading", listing_title, 0},
{"import", s_ignore, 0},
{"page", listing_eject, 0},
{"program", s_ignore, 0},
{"uses", s_uses, 0},
{"uaword", s_uacons, 2},
{"ualong", s_uacons, 4},
{"uaquad", s_uacons, 8},
{"2byte", s_uacons, 2},
{"4byte", s_uacons, 4},
{"8byte", s_uacons, 8},
#ifdef HAVE_SH64
{"mode", s_sh64_mode, 0 },
{"isa", s_sh64_mode, 0 },
{"abi", s_sh64_abi, 0 },
{ "vtable_inherit", sh64_vtable_inherit, 0 },
{ "vtable_entry", sh64_vtable_entry, 0 },
#endif
{0, 0, 0}
};
int sh_relax;
int sh_small;
static int dont_adjust_reloc_32;
static unsigned int preset_target_arch;
static unsigned int valid_arch;
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "rRsSfFdDxXpP";
#define C(a,b) ENCODE_RELAX(a,b)
#define ENCODE_RELAX(what,length) (((what) << 4) + (length))
#define GET_WHAT(x) ((x>>4))
#define COND_JUMP 1
#define COND_JUMP_DELAY 2
#define UNCOND_JUMP 3
#ifdef HAVE_SH64
#define SH64PCREL16_32 4
#define SH64PCREL16_64 5
#define SH64PCREL16PT_32 6
#define SH64PCREL16PT_64 7
#define MOVI_IMM_32 8
#define MOVI_IMM_32_PCREL 9
#define MOVI_IMM_64 10
#define MOVI_IMM_64_PCREL 11
#define END 12
#else
#define END 4
#endif
#define UNDEF_DISP 0
#define COND8 1
#define COND12 2
#define COND32 3
#define UNDEF_WORD_DISP 4
#define UNCOND12 1
#define UNCOND32 2
#ifdef HAVE_SH64
#define UNDEF_SH64PCREL 0
#define SH64PCREL16 1
#define SH64PCREL32 2
#define SH64PCREL48 3
#define SH64PCREL64 4
#define SH64PCRELPLT 5
#define UNDEF_MOVI 0
#define MOVI_16 1
#define MOVI_32 2
#define MOVI_48 3
#define MOVI_64 4
#define MOVI_PLT 5
#define MOVI_GOTOFF 6
#define MOVI_GOTPC 7
#endif
#define COND8_F 258
#define COND8_M -252
#define COND8_LENGTH 2
#define COND12_F 4100
#define COND12_M -4090
#define COND12_LENGTH 6
#define COND12_DELAY_LENGTH 4
#define COND32_F (1<<30)
#define COND32_M -(1<<30)
#define COND32_LENGTH 14
#define UNCOND12_F 4098
#define UNCOND12_M -4092
#define UNCOND12_LENGTH 2
#define UNCOND32_F (1<<30)
#define UNCOND32_M -(1<<30)
#define UNCOND32_LENGTH 14
#ifdef HAVE_SH64
#define SH64PCREL16_F (32767 * 4 - 4 + 1)
#define SH64PCREL16_M (-32768 * 4 - 4)
#define SH64PCREL16_LENGTH 0
#define SH64PCREL32_F ((((long) 1 << 30) - 1) * 2 + 1 - 4)
#define SH64PCREL32_LENGTH (2 * 4)
#if BFD_HOST_64BIT_LONG
#define SH64PCREL32_M (((long) -1 << 30) * 2 - 4)
#define SH64PCREL48_F ((((long) 1 << 47) - 1) - 4)
#define SH64PCREL48_M (((long) -1 << 47) - 4)
#define SH64PCREL48_LENGTH (3 * 4)
#else
#define SH64PCREL32_M (((long) -1 << 30) * 2)
#define SH64PCREL48_F SH64PCREL32_F
#define SH64PCREL48_M SH64PCREL32_M
#define SH64PCREL48_LENGTH (3 * 4)
#endif
#define SH64PCREL64_LENGTH (4 * 4)
#define MOVI_16_LENGTH 0
#define MOVI_16_F (32767 - 4)
#define MOVI_16_M (-32768 - 4)
#define MOVI_32_LENGTH 4
#define MOVI_32_F ((((long) 1 << 30) - 1) * 2 + 1 - 4)
#define MOVI_48_LENGTH 8
#if BFD_HOST_64BIT_LONG
#define MOVI_32_M (((long) -1 << 30) * 2 - 4)
#define MOVI_48_F ((((long) 1 << 47) - 1) - 4)
#define MOVI_48_M (((long) -1 << 47) - 4)
#else
#define MOVI_32_M (((long) -1 << 30) * 2)
#define MOVI_48_F MOVI_32_F
#define MOVI_48_M MOVI_32_M
#endif
#define MOVI_64_LENGTH 12
#endif
#define EMPTY { 0, 0, 0, 0 }
const relax_typeS md_relax_table[C (END, 0)] = {
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ COND8_F, COND8_M, COND8_LENGTH, C (COND_JUMP, COND12) },
{ COND12_F, COND12_M, COND12_LENGTH, C (COND_JUMP, COND32), },
{ COND32_F, COND32_M, COND32_LENGTH, 0, },
{ 0, 0, COND32_LENGTH, 0, },
EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ COND8_F, COND8_M, COND8_LENGTH, C (COND_JUMP_DELAY, COND12) },
{ COND12_F, COND12_M, COND12_DELAY_LENGTH, C (COND_JUMP_DELAY, COND32), },
{ COND32_F, COND32_M, COND32_LENGTH, 0, },
{ 0, 0, COND32_LENGTH, 0, },
EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ UNCOND12_F, UNCOND12_M, UNCOND12_LENGTH, C (UNCOND_JUMP, UNCOND32), },
{ UNCOND32_F, UNCOND32_M, UNCOND32_LENGTH, 0, },
EMPTY,
{ 0, 0, UNCOND32_LENGTH, 0, },
EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
#ifdef HAVE_SH64
EMPTY,
{ SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16_32, SH64PCREL32) },
{ 0, 0, SH64PCREL32_LENGTH, 0 },
EMPTY, EMPTY,
{ 0, 0, SH64PCREL32_LENGTH, 0 },
EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16_64, SH64PCREL32) },
{ SH64PCREL32_F, SH64PCREL32_M, SH64PCREL32_LENGTH, C (SH64PCREL16_64, SH64PCREL48) },
{ SH64PCREL48_F, SH64PCREL48_M, SH64PCREL48_LENGTH, C (SH64PCREL16_64, SH64PCREL64) },
{ 0, 0, SH64PCREL64_LENGTH, 0 },
{ 0, 0, SH64PCREL64_LENGTH, 0 },
EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16PT_32, SH64PCREL32) },
{ 0, 0, SH64PCREL32_LENGTH, 0 },
EMPTY, EMPTY,
{ 0, 0, SH64PCREL32_LENGTH, 0 },
EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16PT_64, SH64PCREL32) },
{ SH64PCREL32_F,
SH64PCREL32_M,
SH64PCREL32_LENGTH,
C (SH64PCREL16PT_64, SH64PCREL48) },
{ SH64PCREL48_F, SH64PCREL48_M, SH64PCREL48_LENGTH, C (SH64PCREL16PT_64, SH64PCREL64) },
{ 0, 0, SH64PCREL64_LENGTH, 0 },
{ 0, 0, SH64PCREL64_LENGTH, 0},
EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
{ 0, 0, MOVI_32_LENGTH, 0 },
{ MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_32, MOVI_32) },
{ MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, 0 },
EMPTY, EMPTY, EMPTY,
{ 0, 0, MOVI_32_LENGTH, 0 },
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_32_PCREL, MOVI_32) },
{ 0, 0, MOVI_32_LENGTH, 0 },
EMPTY, EMPTY,
{ 0, 0, MOVI_32_LENGTH, 0 },
EMPTY,
{ 0, 0, MOVI_32_LENGTH, 0 },
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
{ 0, 0, MOVI_64_LENGTH, 0 },
{ MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_64, MOVI_32) },
{ MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, C (MOVI_IMM_64, MOVI_48) },
{ MOVI_48_F, MOVI_48_M, MOVI_48_LENGTH, C (MOVI_IMM_64, MOVI_64) },
{ 0, 0, MOVI_64_LENGTH, 0 },
EMPTY,
{ 0, 0, MOVI_64_LENGTH, 0 },
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_32) },
{ MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_48) },
{ MOVI_48_F, MOVI_48_M, MOVI_48_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_64) },
{ 0, 0, MOVI_64_LENGTH, 0 },
{ 0, 0, MOVI_64_LENGTH, 0 },
EMPTY,
{ 0, 0, MOVI_64_LENGTH, 0 },
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
#endif
};
#undef EMPTY
static struct hash_control *opcode_hash_control;
#ifdef OBJ_ELF
inline static int
sh_PIC_related_p (symbolS *sym)
{
expressionS *exp;
if (! sym)
return 0;
if (sym == GOT_symbol)
return 1;
#ifdef HAVE_SH64
if (sh_PIC_related_p (*symbol_get_tc (sym)))
return 1;
#endif
exp = symbol_get_value_expression (sym);
return (exp->X_op == O_PIC_reloc
|| sh_PIC_related_p (exp->X_add_symbol)
|| sh_PIC_related_p (exp->X_op_symbol));
}
static int
sh_check_fixup (expressionS *main_exp, bfd_reloc_code_real_type *r_type_p)
{
expressionS *exp = main_exp;
if (exp->X_op == O_subtract)
{
if (sh_PIC_related_p (exp->X_op_symbol))
return 1;
exp = symbol_get_value_expression (exp->X_add_symbol);
if (exp && sh_PIC_related_p (exp->X_op_symbol))
return 1;
if (exp && exp->X_op == O_add
&& sh_PIC_related_p (exp->X_add_symbol))
{
symbolS *sym = exp->X_add_symbol;
exp->X_op = O_subtract;
exp->X_add_symbol = main_exp->X_op_symbol;
main_exp->X_op_symbol = main_exp->X_add_symbol;
main_exp->X_add_symbol = sym;
main_exp->X_add_number += exp->X_add_number;
exp->X_add_number = 0;
}
exp = main_exp;
}
else if (exp->X_op == O_add && sh_PIC_related_p (exp->X_op_symbol))
return 1;
if (exp->X_op == O_symbol || exp->X_op == O_add || exp->X_op == O_subtract)
{
#ifdef HAVE_SH64
if (exp->X_add_symbol
&& (exp->X_add_symbol == GOT_symbol
|| (GOT_symbol
&& *symbol_get_tc (exp->X_add_symbol) == GOT_symbol)))
{
switch (*r_type_p)
{
case BFD_RELOC_SH_IMM_LOW16:
*r_type_p = BFD_RELOC_SH_GOTPC_LOW16;
break;
case BFD_RELOC_SH_IMM_MEDLOW16:
*r_type_p = BFD_RELOC_SH_GOTPC_MEDLOW16;
break;
case BFD_RELOC_SH_IMM_MEDHI16:
*r_type_p = BFD_RELOC_SH_GOTPC_MEDHI16;
break;
case BFD_RELOC_SH_IMM_HI16:
*r_type_p = BFD_RELOC_SH_GOTPC_HI16;
break;
case BFD_RELOC_NONE:
case BFD_RELOC_UNUSED:
*r_type_p = BFD_RELOC_SH_GOTPC;
break;
default:
abort ();
}
return 0;
}
#else
if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol)
{
*r_type_p = BFD_RELOC_SH_GOTPC;
return 0;
}
#endif
exp = symbol_get_value_expression (exp->X_add_symbol);
if (! exp)
return 0;
}
if (exp->X_op == O_PIC_reloc)
{
#ifdef HAVE_SH64
switch (*r_type_p)
{
case BFD_RELOC_NONE:
case BFD_RELOC_UNUSED:
*r_type_p = exp->X_md;
break;
case BFD_RELOC_SH_IMM_LOW16:
switch (exp->X_md)
{
case BFD_RELOC_32_GOTOFF:
*r_type_p = BFD_RELOC_SH_GOTOFF_LOW16;
break;
case BFD_RELOC_SH_GOTPLT32:
*r_type_p = BFD_RELOC_SH_GOTPLT_LOW16;
break;
case BFD_RELOC_32_GOT_PCREL:
*r_type_p = BFD_RELOC_SH_GOT_LOW16;
break;
case BFD_RELOC_32_PLT_PCREL:
*r_type_p = BFD_RELOC_SH_PLT_LOW16;
break;
default:
abort ();
}
break;
case BFD_RELOC_SH_IMM_MEDLOW16:
switch (exp->X_md)
{
case BFD_RELOC_32_GOTOFF:
*r_type_p = BFD_RELOC_SH_GOTOFF_MEDLOW16;
break;
case BFD_RELOC_SH_GOTPLT32:
*r_type_p = BFD_RELOC_SH_GOTPLT_MEDLOW16;
break;
case BFD_RELOC_32_GOT_PCREL:
*r_type_p = BFD_RELOC_SH_GOT_MEDLOW16;
break;
case BFD_RELOC_32_PLT_PCREL:
*r_type_p = BFD_RELOC_SH_PLT_MEDLOW16;
break;
default:
abort ();
}
break;
case BFD_RELOC_SH_IMM_MEDHI16:
switch (exp->X_md)
{
case BFD_RELOC_32_GOTOFF:
*r_type_p = BFD_RELOC_SH_GOTOFF_MEDHI16;
break;
case BFD_RELOC_SH_GOTPLT32:
*r_type_p = BFD_RELOC_SH_GOTPLT_MEDHI16;
break;
case BFD_RELOC_32_GOT_PCREL:
*r_type_p = BFD_RELOC_SH_GOT_MEDHI16;
break;
case BFD_RELOC_32_PLT_PCREL:
*r_type_p = BFD_RELOC_SH_PLT_MEDHI16;
break;
default:
abort ();
}
break;
case BFD_RELOC_SH_IMM_HI16:
switch (exp->X_md)
{
case BFD_RELOC_32_GOTOFF:
*r_type_p = BFD_RELOC_SH_GOTOFF_HI16;
break;
case BFD_RELOC_SH_GOTPLT32:
*r_type_p = BFD_RELOC_SH_GOTPLT_HI16;
break;
case BFD_RELOC_32_GOT_PCREL:
*r_type_p = BFD_RELOC_SH_GOT_HI16;
break;
case BFD_RELOC_32_PLT_PCREL:
*r_type_p = BFD_RELOC_SH_PLT_HI16;
break;
default:
abort ();
}
break;
default:
abort ();
}
#else
*r_type_p = exp->X_md;
#endif
if (exp == main_exp)
exp->X_op = O_symbol;
else
{
main_exp->X_add_symbol = exp->X_add_symbol;
main_exp->X_add_number += exp->X_add_number;
}
}
else
return (sh_PIC_related_p (exp->X_add_symbol)
|| sh_PIC_related_p (exp->X_op_symbol));
return 0;
}
void
sh_cons_fix_new (fragS *frag, int off, int size, expressionS *exp)
{
bfd_reloc_code_real_type r_type = BFD_RELOC_UNUSED;
if (sh_check_fixup (exp, &r_type))
as_bad (_("Invalid PIC expression."));
if (r_type == BFD_RELOC_UNUSED)
switch (size)
{
case 1:
r_type = BFD_RELOC_8;
break;
case 2:
r_type = BFD_RELOC_16;
break;
case 4:
r_type = BFD_RELOC_32;
break;
#ifdef HAVE_SH64
case 8:
r_type = BFD_RELOC_64;
break;
#endif
default:
goto error;
}
else if (size != 4)
{
error:
as_bad (_("unsupported BFD relocation size %u"), size);
r_type = BFD_RELOC_UNUSED;
}
fix_new_exp (frag, off, size, exp, 0, r_type);
}
static void
sh_elf_cons (register int nbytes)
{
expressionS exp;
#ifdef HAVE_SH64
sh64_update_contents_mark (TRUE);
sh64_flag_output ();
#endif
if (is_it_end_of_statement ())
{
demand_empty_rest_of_line ();
return;
}
#ifdef md_cons_align
md_cons_align (nbytes);
#endif
do
{
expression (&exp);
emit_expr (&exp, (unsigned int) nbytes);
}
while (*input_line_pointer++ == ',');
input_line_pointer--;
if (*input_line_pointer == '#' || *input_line_pointer == '!')
{
while (! is_end_of_line[(unsigned char) *input_line_pointer++]);
}
else
demand_empty_rest_of_line ();
}
#endif
void
md_begin (void)
{
const sh_opcode_info *opcode;
char *prev_name = "";
unsigned int target_arch;
target_arch
= preset_target_arch ? preset_target_arch : arch_sh_up & ~arch_sh_has_dsp;
valid_arch = target_arch;
#ifdef HAVE_SH64
shmedia_md_begin ();
#endif
opcode_hash_control = hash_new ();
for (opcode = sh_table; opcode->name; opcode++)
{
if (strcmp (prev_name, opcode->name) != 0)
{
if (!SH_MERGE_ARCH_SET_VALID (opcode->arch, target_arch))
continue;
prev_name = opcode->name;
hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
}
}
}
static int reg_m;
static int reg_n;
static int reg_x, reg_y;
static int reg_efg;
static int reg_b;
#define IDENT_CHAR(c) (ISALNUM (c) || (c) == '_')
static int
parse_reg (char *src, int *mode, int *reg)
{
char l0 = TOLOWER (src[0]);
char l1 = l0 ? TOLOWER (src[1]) : 0;
if (l0 == 'r')
{
if (l1 == '1')
{
if (src[2] >= '0' && src[2] <= '5'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_REG_N;
*reg = 10 + src[2] - '0';
return 3;
}
}
if (l1 >= '0' && l1 <= '9'
&& ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_REG_N;
*reg = (l1 - '0');
return 2;
}
if (l1 >= '0' && l1 <= '7' && strncasecmp (&src[2], "_bank", 5) == 0
&& ! IDENT_CHAR ((unsigned char) src[7]))
{
*mode = A_REG_B;
*reg = (l1 - '0');
return 7;
}
if (l1 == 'e' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_RE;
return 2;
}
if (l1 == 's' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_RS;
return 2;
}
}
if (l0 == 'a')
{
if (l1 == '0')
{
if (! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = DSP_REG_N;
*reg = A_A0_NUM;
return 2;
}
if (TOLOWER (src[2]) == 'g' && ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = DSP_REG_N;
*reg = A_A0G_NUM;
return 3;
}
}
if (l1 == '1')
{
if (! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = DSP_REG_N;
*reg = A_A1_NUM;
return 2;
}
if (TOLOWER (src[2]) == 'g' && ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = DSP_REG_N;
*reg = A_A1G_NUM;
return 3;
}
}
if (l1 == 'x' && src[2] >= '0' && src[2] <= '1'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_REG_N;
*reg = 4 + (l1 - '0');
return 3;
}
if (l1 == 'y' && src[2] >= '0' && src[2] <= '1'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_REG_N;
*reg = 6 + (l1 - '0');
return 3;
}
if (l1 == 's' && src[2] >= '0' && src[2] <= '3'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
int n = l1 - '0';
*mode = A_REG_N;
*reg = n | ((~n & 2) << 1);
return 3;
}
}
if (l0 == 'i' && l1 && ! IDENT_CHAR ((unsigned char) src[2]))
{
if (l1 == 's')
{
*mode = A_REG_N;
*reg = 8;
return 2;
}
if (l1 == 'x')
{
*mode = A_REG_N;
*reg = 8;
return 2;
}
if (l1 == 'y')
{
*mode = A_REG_N;
*reg = 9;
return 2;
}
}
if (l0 == 'x' && l1 >= '0' && l1 <= '1'
&& ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = DSP_REG_N;
*reg = A_X0_NUM + l1 - '0';
return 2;
}
if (l0 == 'y' && l1 >= '0' && l1 <= '1'
&& ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = DSP_REG_N;
*reg = A_Y0_NUM + l1 - '0';
return 2;
}
if (l0 == 'm' && l1 >= '0' && l1 <= '1'
&& ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = DSP_REG_N;
*reg = l1 == '0' ? A_M0_NUM : A_M1_NUM;
return 2;
}
if (l0 == 's'
&& l1 == 's'
&& TOLOWER (src[2]) == 'r' && ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_SSR;
return 3;
}
if (l0 == 's' && l1 == 'p' && TOLOWER (src[2]) == 'c'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_SPC;
return 3;
}
if (l0 == 's' && l1 == 'g' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_SGR;
return 3;
}
if (l0 == 'd' && l1 == 's' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_DSR;
return 3;
}
if (l0 == 'd' && l1 == 'b' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_DBR;
return 3;
}
if (l0 == 's' && l1 == 'r' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_SR;
return 2;
}
if (l0 == 's' && l1 == 'p' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_REG_N;
*reg = 15;
return 2;
}
if (l0 == 'p' && l1 == 'r' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_PR;
return 2;
}
if (l0 == 'p' && l1 == 'c' && ! IDENT_CHAR ((unsigned char) src[2]))
{
*mode = A_PC;
return 2;
}
if (l0 == 'g' && l1 == 'b' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_GBR;
return 3;
}
if (l0 == 'v' && l1 == 'b' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_VBR;
return 3;
}
if (l0 == 't' && l1 == 'b' && TOLOWER (src[2]) == 'r'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_TBR;
return 3;
}
if (l0 == 'm' && l1 == 'a' && TOLOWER (src[2]) == 'c'
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
if (TOLOWER (src[3]) == 'l')
{
*mode = A_MACL;
return 4;
}
if (TOLOWER (src[3]) == 'h')
{
*mode = A_MACH;
return 4;
}
}
if (l0 == 'm' && l1 == 'o' && TOLOWER (src[2]) == 'd'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = A_MOD;
return 3;
}
if (l0 == 'f' && l1 == 'r')
{
if (src[2] == '1')
{
if (src[3] >= '0' && src[3] <= '5'
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
*mode = F_REG_N;
*reg = 10 + src[3] - '0';
return 4;
}
}
if (src[2] >= '0' && src[2] <= '9'
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = F_REG_N;
*reg = (src[2] - '0');
return 3;
}
}
if (l0 == 'd' && l1 == 'r')
{
if (src[2] == '1')
{
if (src[3] >= '0' && src[3] <= '4' && ! ((src[3] - '0') & 1)
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
*mode = D_REG_N;
*reg = 10 + src[3] - '0';
return 4;
}
}
if (src[2] >= '0' && src[2] <= '8' && ! ((src[2] - '0') & 1)
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = D_REG_N;
*reg = (src[2] - '0');
return 3;
}
}
if (l0 == 'x' && l1 == 'd')
{
if (src[2] == '1')
{
if (src[3] >= '0' && src[3] <= '4' && ! ((src[3] - '0') & 1)
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
*mode = X_REG_N;
*reg = 11 + src[3] - '0';
return 4;
}
}
if (src[2] >= '0' && src[2] <= '8' && ! ((src[2] - '0') & 1)
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = X_REG_N;
*reg = (src[2] - '0') + 1;
return 3;
}
}
if (l0 == 'f' && l1 == 'v')
{
if (src[2] == '1'&& src[3] == '2' && ! IDENT_CHAR ((unsigned char) src[4]))
{
*mode = V_REG_N;
*reg = 12;
return 4;
}
if ((src[2] == '0' || src[2] == '4' || src[2] == '8')
&& ! IDENT_CHAR ((unsigned char) src[3]))
{
*mode = V_REG_N;
*reg = (src[2] - '0');
return 3;
}
}
if (l0 == 'f' && l1 == 'p' && TOLOWER (src[2]) == 'u'
&& TOLOWER (src[3]) == 'l'
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
*mode = FPUL_N;
return 4;
}
if (l0 == 'f' && l1 == 'p' && TOLOWER (src[2]) == 's'
&& TOLOWER (src[3]) == 'c'
&& TOLOWER (src[4]) == 'r' && ! IDENT_CHAR ((unsigned char) src[5]))
{
*mode = FPSCR_N;
return 5;
}
if (l0 == 'x' && l1 == 'm' && TOLOWER (src[2]) == 't'
&& TOLOWER (src[3]) == 'r'
&& TOLOWER (src[4]) == 'x' && ! IDENT_CHAR ((unsigned char) src[5]))
{
*mode = XMTRX_M4;
return 5;
}
return 0;
}
static char *
parse_exp (char *s, sh_operand_info *op)
{
char *save;
char *new;
save = input_line_pointer;
input_line_pointer = s;
expression (&op->immediate);
if (op->immediate.X_op == O_absent)
as_bad (_("missing operand"));
#ifdef OBJ_ELF
else if (op->immediate.X_op == O_PIC_reloc
|| sh_PIC_related_p (op->immediate.X_add_symbol)
|| sh_PIC_related_p (op->immediate.X_op_symbol))
as_bad (_("misplaced PIC operand"));
#endif
new = input_line_pointer;
input_line_pointer = save;
return new;
}
static char *
parse_at (char *src, sh_operand_info *op)
{
int len;
int mode;
src++;
if (src[0] == '@')
{
src = parse_at (src, op);
if (op->type == A_DISP_TBR)
op->type = A_DISP2_TBR;
else
as_bad (_("illegal double indirection"));
}
else if (src[0] == '-')
{
src++;
len = parse_reg (src, &mode, &(op->reg));
if (mode != A_REG_N)
as_bad (_("illegal register after @-"));
op->type = A_DEC_N;
src += len;
}
else if (src[0] == '(')
{
src++;
len = parse_reg (src, &mode, &(op->reg));
if (len && mode == A_REG_N)
{
src += len;
if (op->reg != 0)
{
as_bad (_("must be @(r0,...)"));
}
if (src[0] == ',')
{
src++;
len = parse_reg (src, &mode, &(op->reg));
}
else
{
len = 0;
}
if (len)
{
if (mode == A_GBR)
{
op->type = A_R0_GBR;
}
else if (mode == A_REG_N)
{
op->type = A_IND_R0_REG_N;
}
else
{
as_bad (_("syntax error in @(r0,...)"));
}
}
else
{
as_bad (_("syntax error in @(r0...)"));
}
}
else
{
src = parse_exp (src, op);
if (src[0] == ',')
src++;
len = parse_reg (src, &mode, &op->reg);
if (len)
{
if (mode == A_REG_N)
{
op->type = A_DISP_REG_N;
}
else if (mode == A_GBR)
{
op->type = A_DISP_GBR;
}
else if (mode == A_TBR)
{
op->type = A_DISP_TBR;
}
else if (mode == A_PC)
{
if (op->immediate.X_op == O_symbol)
{
op->type = A_DISP_PC;
as_warn (_("Deprecated syntax."));
}
else
{
op->type = A_DISP_PC_ABS;
op->immediate.X_add_number -= 4;
}
}
else
{
as_bad (_("syntax error in @(disp,[Rn, gbr, pc])"));
}
}
else
{
as_bad (_("syntax error in @(disp,[Rn, gbr, pc])"));
}
}
src += len;
if (src[0] != ')')
as_bad (_("expecting )"));
else
src++;
}
else
{
src += parse_reg (src, &mode, &(op->reg));
if (mode != A_REG_N)
as_bad (_("illegal register after @"));
if (src[0] == '+')
{
char l0, l1;
src++;
l0 = TOLOWER (src[0]);
l1 = TOLOWER (src[1]);
if ((l0 == 'r' && l1 == '8')
|| (l0 == 'i' && (l1 == 'x' || l1 == 's')))
{
src += 2;
op->type = AX_PMOD_N;
}
else if ( (l0 == 'r' && l1 == '9')
|| (l0 == 'i' && l1 == 'y'))
{
src += 2;
op->type = AY_PMOD_N;
}
else
op->type = A_INC_N;
}
else
op->type = A_IND_N;
}
return src;
}
static void
get_operand (char **ptr, sh_operand_info *op)
{
char *src = *ptr;
int mode = -1;
unsigned int len;
if (src[0] == '#')
{
src++;
*ptr = parse_exp (src, op);
op->type = A_IMM;
return;
}
else if (src[0] == '@')
{
*ptr = parse_at (src, op);
return;
}
len = parse_reg (src, &mode, &(op->reg));
if (len)
{
*ptr = src + len;
op->type = mode;
return;
}
else
{
*ptr = parse_exp (src, op);
op->type = A_DISP_PC;
return;
}
}
static char *
get_operands (sh_opcode_info *info, char *args, sh_operand_info *operand)
{
char *ptr = args;
if (info->arg[0])
{
if (*ptr == ' ')
ptr++;
get_operand (&ptr, operand + 0);
if (info->arg[1])
{
if (*ptr == ',')
{
ptr++;
}
get_operand (&ptr, operand + 1);
if (info->arg[2] && operand[0].type != A_IMM)
{
if (*ptr == ',')
{
ptr++;
}
get_operand (&ptr, operand + 2);
}
else
{
operand[2].type = 0;
}
}
else
{
operand[1].type = 0;
operand[2].type = 0;
}
}
else
{
operand[0].type = 0;
operand[1].type = 0;
operand[2].type = 0;
}
return ptr;
}
static sh_opcode_info *
get_specific (sh_opcode_info *opcode, sh_operand_info *operands)
{
sh_opcode_info *this_try = opcode;
char *name = opcode->name;
int n = 0;
while (opcode->name)
{
this_try = opcode++;
if ((this_try->name != name) && (strcmp (this_try->name, name) != 0))
{
return 0;
}
for (n = 0; this_try->arg[n]; n++)
{
sh_operand_info *user = operands + n;
sh_arg_type arg = this_try->arg[n];
if (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh2a_nofpu_up)
&& ( arg == A_DISP_REG_M
|| arg == A_DISP_REG_N))
{
int opf;
long val = user->immediate.X_add_number;
for (opf = 0; opf < 4; opf ++)
switch (this_try->nibbles[opf])
{
case IMM0_4:
case IMM1_4:
if (val < 0 || val > 15)
goto fail;
break;
case IMM0_4BY2:
case IMM1_4BY2:
if (val < 0 || val > 15 * 2)
goto fail;
break;
case IMM0_4BY4:
case IMM1_4BY4:
if (val < 0 || val > 15 * 4)
goto fail;
break;
default:
break;
}
}
switch (arg)
{
case A_DISP_PC:
if (user->type == A_DISP_PC_ABS)
break;
case A_IMM:
case A_BDISP12:
case A_BDISP8:
case A_DISP_GBR:
case A_DISP2_TBR:
case A_MACH:
case A_PR:
case A_MACL:
if (user->type != arg)
goto fail;
break;
case A_R0:
if (user->type != A_REG_N || user->reg != 0)
goto fail;
break;
case A_R0_GBR:
if (user->type != A_R0_GBR || user->reg != 0)
goto fail;
break;
case F_FR0:
if (user->type != F_REG_N || user->reg != 0)
goto fail;
break;
case A_REG_N:
case A_INC_N:
case A_DEC_N:
case A_IND_N:
case A_IND_R0_REG_N:
case A_DISP_REG_N:
case F_REG_N:
case D_REG_N:
case X_REG_N:
case V_REG_N:
case FPUL_N:
case FPSCR_N:
case DSP_REG_N:
if (user->type != arg)
goto fail;
reg_n = user->reg;
break;
case DX_REG_N:
if (user->type != D_REG_N && user->type != X_REG_N)
goto fail;
reg_n = user->reg;
break;
case A_GBR:
case A_TBR:
case A_SR:
case A_VBR:
case A_DSR:
case A_MOD:
case A_RE:
case A_RS:
case A_SSR:
case A_SPC:
case A_SGR:
case A_DBR:
if (user->type != arg)
goto fail;
break;
case A_REG_B:
if (user->type != arg)
goto fail;
reg_b = user->reg;
break;
case A_INC_R15:
if (user->type != A_INC_N)
goto fail;
if (user->reg != 15)
goto fail;
reg_n = user->reg;
break;
case A_DEC_R15:
if (user->type != A_DEC_N)
goto fail;
if (user->reg != 15)
goto fail;
reg_n = user->reg;
break;
case A_REG_M:
case A_INC_M:
case A_DEC_M:
case A_IND_M:
case A_IND_R0_REG_M:
case A_DISP_REG_M:
case DSP_REG_M:
if (user->type != arg - A_REG_M + A_REG_N)
goto fail;
reg_m = user->reg;
break;
case AS_DEC_N:
if (user->type != A_DEC_N)
goto fail;
if (user->reg < 2 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AS_INC_N:
if (user->type != A_INC_N)
goto fail;
if (user->reg < 2 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AS_IND_N:
if (user->type != A_IND_N)
goto fail;
if (user->reg < 2 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AS_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
if (user->reg < 2 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AX_INC_N:
if (user->type != A_INC_N)
goto fail;
if (user->reg < 4 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AX_IND_N:
if (user->type != A_IND_N)
goto fail;
if (user->reg < 4 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AX_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
if (user->reg < 4 || user->reg > 5)
goto fail;
reg_n = user->reg;
break;
case AXY_INC_N:
if (user->type != A_INC_N)
goto fail;
if ((user->reg < 4 || user->reg > 5)
&& (user->reg < 0 || user->reg > 1))
goto fail;
reg_n = user->reg;
break;
case AXY_IND_N:
if (user->type != A_IND_N)
goto fail;
if ((user->reg < 4 || user->reg > 5)
&& (user->reg < 0 || user->reg > 1))
goto fail;
reg_n = user->reg;
break;
case AXY_PMOD_N:
if (user->type != AX_PMOD_N)
goto fail;
if ((user->reg < 4 || user->reg > 5)
&& (user->reg < 0 || user->reg > 1))
goto fail;
reg_n = user->reg;
break;
case AY_INC_N:
if (user->type != A_INC_N)
goto fail;
if (user->reg < 6 || user->reg > 7)
goto fail;
reg_n = user->reg;
break;
case AY_IND_N:
if (user->type != A_IND_N)
goto fail;
if (user->reg < 6 || user->reg > 7)
goto fail;
reg_n = user->reg;
break;
case AY_PMOD_N:
if (user->type != AY_PMOD_N)
goto fail;
if (user->reg < 6 || user->reg > 7)
goto fail;
reg_n = user->reg;
break;
case AYX_INC_N:
if (user->type != A_INC_N)
goto fail;
if ((user->reg < 6 || user->reg > 7)
&& (user->reg < 2 || user->reg > 3))
goto fail;
reg_n = user->reg;
break;
case AYX_IND_N:
if (user->type != A_IND_N)
goto fail;
if ((user->reg < 6 || user->reg > 7)
&& (user->reg < 2 || user->reg > 3))
goto fail;
reg_n = user->reg;
break;
case AYX_PMOD_N:
if (user->type != AY_PMOD_N)
goto fail;
if ((user->reg < 6 || user->reg > 7)
&& (user->reg < 2 || user->reg > 3))
goto fail;
reg_n = user->reg;
break;
case DSP_REG_A_M:
if (user->type != DSP_REG_N)
goto fail;
if (user->reg != A_A0_NUM
&& user->reg != A_A1_NUM)
goto fail;
reg_m = user->reg;
break;
case DSP_REG_AX:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_A0_NUM:
reg_x = 0;
break;
case A_A1_NUM:
reg_x = 2;
break;
case A_X0_NUM:
reg_x = 1;
break;
case A_X1_NUM:
reg_x = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_XY:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_X0_NUM:
reg_x = 0;
break;
case A_X1_NUM:
reg_x = 2;
break;
case A_Y0_NUM:
reg_x = 1;
break;
case A_Y1_NUM:
reg_x = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_AY:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_A0_NUM:
reg_y = 0;
break;
case A_A1_NUM:
reg_y = 1;
break;
case A_Y0_NUM:
reg_y = 2;
break;
case A_Y1_NUM:
reg_y = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_YX:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_Y0_NUM:
reg_y = 0;
break;
case A_Y1_NUM:
reg_y = 1;
break;
case A_X0_NUM:
reg_y = 2;
break;
case A_X1_NUM:
reg_y = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_X:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_X0_NUM:
reg_x = 0;
break;
case A_X1_NUM:
reg_x = 1;
break;
case A_A0_NUM:
reg_x = 2;
break;
case A_A1_NUM:
reg_x = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_Y:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_Y0_NUM:
reg_y = 0;
break;
case A_Y1_NUM:
reg_y = 1;
break;
case A_M0_NUM:
reg_y = 2;
break;
case A_M1_NUM:
reg_y = 3;
break;
default:
goto fail;
}
break;
case DSP_REG_E:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_X0_NUM:
reg_efg = 0 << 10;
break;
case A_X1_NUM:
reg_efg = 1 << 10;
break;
case A_Y0_NUM:
reg_efg = 2 << 10;
break;
case A_A1_NUM:
reg_efg = 3 << 10;
break;
default:
goto fail;
}
break;
case DSP_REG_F:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_Y0_NUM:
reg_efg |= 0 << 8;
break;
case A_Y1_NUM:
reg_efg |= 1 << 8;
break;
case A_X0_NUM:
reg_efg |= 2 << 8;
break;
case A_A1_NUM:
reg_efg |= 3 << 8;
break;
default:
goto fail;
}
break;
case DSP_REG_G:
if (user->type != DSP_REG_N)
goto fail;
switch (user->reg)
{
case A_M0_NUM:
reg_efg |= 0 << 2;
break;
case A_M1_NUM:
reg_efg |= 1 << 2;
break;
case A_A0_NUM:
reg_efg |= 2 << 2;
break;
case A_A1_NUM:
reg_efg |= 3 << 2;
break;
default:
goto fail;
}
break;
case A_A0:
if (user->type != DSP_REG_N || user->reg != A_A0_NUM)
goto fail;
break;
case A_X0:
if (user->type != DSP_REG_N || user->reg != A_X0_NUM)
goto fail;
break;
case A_X1:
if (user->type != DSP_REG_N || user->reg != A_X1_NUM)
goto fail;
break;
case A_Y0:
if (user->type != DSP_REG_N || user->reg != A_Y0_NUM)
goto fail;
break;
case A_Y1:
if (user->type != DSP_REG_N || user->reg != A_Y1_NUM)
goto fail;
break;
case F_REG_M:
case D_REG_M:
case X_REG_M:
case V_REG_M:
case FPUL_M:
case FPSCR_M:
if (user->type != arg - F_REG_M + F_REG_N)
goto fail;
reg_m = user->reg;
break;
case DX_REG_M:
if (user->type != D_REG_N && user->type != X_REG_N)
goto fail;
reg_m = user->reg;
break;
case XMTRX_M4:
if (user->type != XMTRX_M4)
goto fail;
reg_m = 4;
break;
default:
printf (_("unhandled %d\n"), arg);
goto fail;
}
}
if ( !SH_MERGE_ARCH_SET_VALID (valid_arch, this_try->arch))
goto fail;
valid_arch = SH_MERGE_ARCH_SET (valid_arch, this_try->arch);
return this_try;
fail:
;
}
return 0;
}
static void
insert (char *where, int how, int pcrel, sh_operand_info *op)
{
fix_new_exp (frag_now,
where - frag_now->fr_literal,
2,
&op->immediate,
pcrel,
how);
}
static void
insert4 (char * where, int how, int pcrel, sh_operand_info * op)
{
fix_new_exp (frag_now,
where - frag_now->fr_literal,
4,
& op->immediate,
pcrel,
how);
}
static void
build_relax (sh_opcode_info *opcode, sh_operand_info *op)
{
int high_byte = target_big_endian ? 0 : 1;
char *p;
if (opcode->arg[0] == A_BDISP8)
{
int what = (opcode->nibbles[1] & 4) ? COND_JUMP_DELAY : COND_JUMP;
p = frag_var (rs_machine_dependent,
md_relax_table[C (what, COND32)].rlx_length,
md_relax_table[C (what, COND8)].rlx_length,
C (what, 0),
op->immediate.X_add_symbol,
op->immediate.X_add_number,
0);
p[high_byte] = (opcode->nibbles[0] << 4) | (opcode->nibbles[1]);
}
else if (opcode->arg[0] == A_BDISP12)
{
p = frag_var (rs_machine_dependent,
md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length,
md_relax_table[C (UNCOND_JUMP, UNCOND12)].rlx_length,
C (UNCOND_JUMP, 0),
op->immediate.X_add_symbol,
op->immediate.X_add_number,
0);
p[high_byte] = (opcode->nibbles[0] << 4);
}
}
static char *
insert_loop_bounds (char *output, sh_operand_info *operand)
{
char *name;
symbolS *end_sym;
output[0] = 0x8c;
output[1] = 0x8c;
insert (output, BFD_RELOC_SH_LOOP_START, 1, operand);
insert (output, BFD_RELOC_SH_LOOP_END, 1, operand + 1);
if (sh_relax)
{
static int count = 0;
name = alloca (11);
sprintf (name, "_R%x", count++ & 0x3fffffff);
end_sym = symbol_new (name, undefined_section, 0, &zero_address_frag);
#ifdef OBJ_COFF
SF_SET_LOCAL (end_sym);
#endif
symbol_table_insert (end_sym);
end_sym->sy_value = operand[1].immediate;
end_sym->sy_value.X_add_number += 2;
fix_new (frag_now, frag_now_fix (), 2, end_sym, 0, 1, BFD_RELOC_SH_LABEL);
}
output = frag_more (2);
output[0] = 0x8e;
output[1] = 0x8e;
insert (output, BFD_RELOC_SH_LOOP_START, 1, operand);
insert (output, BFD_RELOC_SH_LOOP_END, 1, operand + 1);
return frag_more (2);
}
static unsigned int
build_Mytes (sh_opcode_info *opcode, sh_operand_info *operand)
{
int index;
char nbuf[8];
char *output;
unsigned int size = 2;
int low_byte = target_big_endian ? 1 : 0;
int max_index = 4;
nbuf[0] = 0;
nbuf[1] = 0;
nbuf[2] = 0;
nbuf[3] = 0;
nbuf[4] = 0;
nbuf[5] = 0;
nbuf[6] = 0;
nbuf[7] = 0;
if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32))
{
output = frag_more (4);
size = 4;
max_index = 8;
}
else
output = frag_more (2);
for (index = 0; index < max_index; index++)
{
sh_nibble_type i = opcode->nibbles[index];
if (i < 16)
{
nbuf[index] = i;
}
else
{
switch (i)
{
case REG_N:
case REG_N_D:
nbuf[index] = reg_n;
break;
case REG_M:
nbuf[index] = reg_m;
break;
case SDT_REG_N:
if (reg_n < 2 || reg_n > 5)
as_bad (_("Invalid register: 'r%d'"), reg_n);
nbuf[index] = (reg_n & 3) | 4;
break;
case REG_NM:
nbuf[index] = reg_n | (reg_m >> 2);
break;
case REG_B:
nbuf[index] = reg_b | 0x08;
break;
case REG_N_B01:
nbuf[index] = reg_n | 0x01;
break;
case IMM0_3s:
nbuf[index] |= 0x08;
case IMM0_3c:
insert (output + low_byte, BFD_RELOC_SH_IMM3, 0, operand);
break;
case IMM0_3Us:
nbuf[index] |= 0x80;
case IMM0_3Uc:
insert (output + low_byte, BFD_RELOC_SH_IMM3U, 0, operand);
break;
case DISP0_12:
insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand);
break;
case DISP0_12BY2:
insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand);
break;
case DISP0_12BY4:
insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand);
break;
case DISP0_12BY8:
insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand);
break;
case DISP1_12:
insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand+1);
break;
case DISP1_12BY2:
insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand+1);
break;
case DISP1_12BY4:
insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand+1);
break;
case DISP1_12BY8:
insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand+1);
break;
case IMM0_20_4:
break;
case IMM0_20:
insert4 (output, BFD_RELOC_SH_DISP20, 0, operand);
break;
case IMM0_20BY8:
insert4 (output, BFD_RELOC_SH_DISP20BY8, 0, operand);
break;
case IMM0_4BY4:
insert (output + low_byte, BFD_RELOC_SH_IMM4BY4, 0, operand);
break;
case IMM0_4BY2:
insert (output + low_byte, BFD_RELOC_SH_IMM4BY2, 0, operand);
break;
case IMM0_4:
insert (output + low_byte, BFD_RELOC_SH_IMM4, 0, operand);
break;
case IMM1_4BY4:
insert (output + low_byte, BFD_RELOC_SH_IMM4BY4, 0, operand + 1);
break;
case IMM1_4BY2:
insert (output + low_byte, BFD_RELOC_SH_IMM4BY2, 0, operand + 1);
break;
case IMM1_4:
insert (output + low_byte, BFD_RELOC_SH_IMM4, 0, operand + 1);
break;
case IMM0_8BY4:
insert (output + low_byte, BFD_RELOC_SH_IMM8BY4, 0, operand);
break;
case IMM0_8BY2:
insert (output + low_byte, BFD_RELOC_SH_IMM8BY2, 0, operand);
break;
case IMM0_8:
insert (output + low_byte, BFD_RELOC_SH_IMM8, 0, operand);
break;
case IMM1_8BY4:
insert (output + low_byte, BFD_RELOC_SH_IMM8BY4, 0, operand + 1);
break;
case IMM1_8BY2:
insert (output + low_byte, BFD_RELOC_SH_IMM8BY2, 0, operand + 1);
break;
case IMM1_8:
insert (output + low_byte, BFD_RELOC_SH_IMM8, 0, operand + 1);
break;
case PCRELIMM_8BY4:
insert (output, BFD_RELOC_SH_PCRELIMM8BY4,
operand->type != A_DISP_PC_ABS, operand);
break;
case PCRELIMM_8BY2:
insert (output, BFD_RELOC_SH_PCRELIMM8BY2,
operand->type != A_DISP_PC_ABS, operand);
break;
case REPEAT:
output = insert_loop_bounds (output, operand);
nbuf[index] = opcode->nibbles[3];
operand += 2;
break;
default:
printf (_("failed for %d\n"), i);
}
}
}
if (!target_big_endian)
{
output[1] = (nbuf[0] << 4) | (nbuf[1]);
output[0] = (nbuf[2] << 4) | (nbuf[3]);
}
else
{
output[0] = (nbuf[0] << 4) | (nbuf[1]);
output[1] = (nbuf[2] << 4) | (nbuf[3]);
}
if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32))
{
if (!target_big_endian)
{
output[3] = (nbuf[4] << 4) | (nbuf[5]);
output[2] = (nbuf[6] << 4) | (nbuf[7]);
}
else
{
output[2] = (nbuf[4] << 4) | (nbuf[5]);
output[3] = (nbuf[6] << 4) | (nbuf[7]);
}
}
return size;
}
static sh_opcode_info *
find_cooked_opcode (char **str_p)
{
char *str = *str_p;
unsigned char *op_start;
unsigned char *op_end;
char name[20];
int nlen = 0;
while (*str == ' ')
str++;
for (op_start = op_end = (unsigned char *) str;
*op_end
&& nlen < 20
&& !is_end_of_line[*op_end] && *op_end != ' ' && *op_end != '@';
op_end++)
{
unsigned char c = op_start[nlen];
c = TOLOWER (c);
name[nlen] = c;
nlen++;
}
name[nlen] = 0;
*str_p = (char *) op_end;
if (nlen == 0)
as_bad (_("can't find opcode "));
return (sh_opcode_info *) hash_find (opcode_hash_control, name);
}
#define DDT_BASE 0xf000
static unsigned int
assemble_ppi (char *op_end, sh_opcode_info *opcode)
{
int movx = 0;
int movy = 0;
int cond = 0;
int field_b = 0;
char *output;
int move_code;
unsigned int size;
for (;;)
{
sh_operand_info operand[3];
reg_x = 0;
reg_y = 0;
reg_n = 0;
if (opcode->arg[0] != A_END)
op_end = get_operands (opcode, op_end, operand);
try_another_opcode:
opcode = get_specific (opcode, operand);
if (opcode == 0)
{
char *where = frag_more (2);
size = 2;
where[0] = 0x0;
where[1] = 0x0;
as_bad (_("invalid operands for opcode"));
return size;
}
if (opcode->nibbles[0] != PPI)
as_bad (_("insn can't be combined with parallel processing insn"));
switch (opcode->nibbles[1])
{
case NOPX:
if (movx)
as_bad (_("multiple movx specifications"));
movx = DDT_BASE;
break;
case NOPY:
if (movy)
as_bad (_("multiple movy specifications"));
movy = DDT_BASE;
break;
case MOVX_NOPY:
if (movx)
as_bad (_("multiple movx specifications"));
if ((reg_n < 4 || reg_n > 5)
&& (reg_n < 0 || reg_n > 1))
as_bad (_("invalid movx address register"));
if (movy && movy != DDT_BASE)
as_bad (_("insn cannot be combined with non-nopy"));
movx = ((((reg_n & 1) != 0) << 9)
+ (((reg_n & 4) == 0) << 8)
+ (reg_x << 6)
+ (opcode->nibbles[2] << 4)
+ opcode->nibbles[3]
+ DDT_BASE);
break;
case MOVY_NOPX:
if (movy)
as_bad (_("multiple movy specifications"));
if ((reg_n < 6 || reg_n > 7)
&& (reg_n < 2 || reg_n > 3))
as_bad (_("invalid movy address register"));
if (movx && movx != DDT_BASE)
as_bad (_("insn cannot be combined with non-nopx"));
movy = ((((reg_n & 1) != 0) << 8)
+ (((reg_n & 4) == 0) << 9)
+ (reg_y << 6)
+ (opcode->nibbles[2] << 4)
+ opcode->nibbles[3]
+ DDT_BASE);
break;
case MOVX:
if (movx)
as_bad (_("multiple movx specifications"));
if (movy & 0x2ac)
as_bad (_("previous movy requires nopx"));
if (reg_n < 4 || reg_n > 5)
as_bad (_("invalid movx address register"));
if (opcode->nibbles[2] & 8)
{
if (reg_m == A_A1_NUM)
movx = 1 << 7;
else if (reg_m != A_A0_NUM)
as_bad (_("invalid movx dsp register"));
}
else
{
if (reg_x > 1)
as_bad (_("invalid movx dsp register"));
movx = reg_x << 7;
}
movx += ((reg_n - 4) << 9) + (opcode->nibbles[2] << 2) + DDT_BASE;
break;
case MOVY:
if (movy)
as_bad (_("multiple movy specifications"));
if (movx & 0x153)
as_bad (_("previous movx requires nopy"));
if (opcode->nibbles[2] & 8)
{
movy = 8;
if (reg_m == A_A1_NUM)
movy += 1 << 6;
else if (reg_m != A_A0_NUM)
as_bad (_("invalid movy dsp register"));
}
else
{
if (reg_y > 1)
as_bad (_("invalid movy dsp register"));
movy = reg_y << 6;
}
if (reg_n < 6 || reg_n > 7)
as_bad (_("invalid movy address register"));
movy += ((reg_n - 6) << 8) + opcode->nibbles[2] + DDT_BASE;
break;
case PSH:
if (operand[0].immediate.X_op != O_constant)
as_bad (_("dsp immediate shift value not constant"));
field_b = ((opcode->nibbles[2] << 12)
| (operand[0].immediate.X_add_number & 127) << 4
| reg_n);
break;
case PPI3NC:
if (cond)
{
opcode++;
goto try_another_opcode;
}
case PPI3:
if (field_b)
as_bad (_("multiple parallel processing specifications"));
field_b = ((opcode->nibbles[2] << 12) + (opcode->nibbles[3] << 8)
+ (reg_x << 6) + (reg_y << 4) + reg_n);
switch (opcode->nibbles[4])
{
case HEX_0:
case HEX_XX00:
case HEX_00YY:
break;
case HEX_1:
case HEX_4:
field_b += opcode->nibbles[4] << 4;
break;
default:
abort ();
}
break;
case PDC:
if (cond)
as_bad (_("multiple condition specifications"));
cond = opcode->nibbles[2] << 8;
if (*op_end)
goto skip_cond_check;
break;
case PPIC:
if (field_b)
as_bad (_("multiple parallel processing specifications"));
field_b = ((opcode->nibbles[2] << 12) + (opcode->nibbles[3] << 8)
+ cond + (reg_x << 6) + (reg_y << 4) + reg_n);
cond = 0;
switch (opcode->nibbles[4])
{
case HEX_0:
case HEX_XX00:
case HEX_00YY:
break;
case HEX_1:
case HEX_4:
field_b += opcode->nibbles[4] << 4;
break;
default:
abort ();
}
break;
case PMUL:
if (field_b)
{
if ((field_b & 0xef00) == 0xa100)
field_b -= 0x8100;
else if ((field_b & 0xff00) == 0x8d00
&& (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh4al_dsp_up)))
{
valid_arch = SH_MERGE_ARCH_SET (valid_arch, arch_sh4al_dsp_up);
field_b -= 0x8cf0;
}
else
as_bad (_("insn cannot be combined with pmuls"));
switch (field_b & 0xf)
{
case A_X0_NUM:
field_b += 0 - A_X0_NUM;
break;
case A_Y0_NUM:
field_b += 1 - A_Y0_NUM;
break;
case A_A0_NUM:
field_b += 2 - A_A0_NUM;
break;
case A_A1_NUM:
field_b += 3 - A_A1_NUM;
break;
default:
as_bad (_("bad combined pmuls output operand"));
}
if ((((field_b | reg_efg) & 0x000F) == 0x000A)
|| (((field_b | reg_efg) & 0x000F) == 0x000F))
as_warn (_("destination register is same for parallel insns"));
}
field_b += 0x4000 + reg_efg;
break;
default:
abort ();
}
if (cond)
{
as_bad (_("condition not followed by conditionalizable insn"));
cond = 0;
}
if (! *op_end)
break;
skip_cond_check:
opcode = find_cooked_opcode (&op_end);
if (opcode == NULL)
{
(as_bad
(_("unrecognized characters at end of parallel processing insn")));
break;
}
}
move_code = movx | movy;
if (field_b)
{
unsigned long ppi_code = (movx | movy | 0xf800) << 16 | field_b;
output = frag_more (4);
size = 4;
if (! target_big_endian)
{
output[3] = ppi_code >> 8;
output[2] = ppi_code;
}
else
{
output[2] = ppi_code >> 8;
output[3] = ppi_code;
}
move_code |= 0xf800;
}
else
{
output = frag_more (2);
size = 2;
}
if (! target_big_endian)
{
output[1] = move_code >> 8;
output[0] = move_code;
}
else
{
output[0] = move_code >> 8;
output[1] = move_code;
}
return size;
}
void
md_assemble (char *str)
{
char *op_end;
sh_operand_info operand[3];
sh_opcode_info *opcode;
unsigned int size = 0;
char *initial_str = str;
#ifdef HAVE_SH64
if (sh64_isa_mode == sh64_isa_shmedia)
{
shmedia_md_assemble (str);
return;
}
else
{
if (!seen_insn)
{
sh64_update_contents_mark (TRUE);
sh64_set_contents_type (CRT_SH5_ISA16);
}
seen_insn = TRUE;
}
#endif
opcode = find_cooked_opcode (&str);
op_end = str;
if (opcode == NULL)
{
char *name = initial_str;
int name_length = 0;
const sh_opcode_info *op;
int found = 0;
while (ISSPACE (*name))
{
name++;
}
while (!ISSPACE (name[name_length]))
{
name_length++;
}
for (op = sh_table; op->name; op++)
{
if (strncasecmp (op->name, name, name_length) == 0
&& op->name[name_length] == '\0')
{
found = 1;
break;
}
}
if ( found )
{
as_bad (_("opcode not valid for this cpu variant"));
}
else
{
as_bad (_("unknown opcode"));
}
return;
}
if (sh_relax
&& ! seg_info (now_seg)->tc_segment_info_data.in_code)
{
fix_new (frag_now, frag_now_fix (), 2, &abs_symbol, 0, 0,
BFD_RELOC_SH_CODE);
seg_info (now_seg)->tc_segment_info_data.in_code = 1;
}
if (opcode->nibbles[0] == PPI)
{
size = assemble_ppi (op_end, opcode);
}
else
{
if (opcode->arg[0] == A_BDISP12
|| opcode->arg[0] == A_BDISP8)
{
if (SH_MERGE_ARCH_SET_VALID (valid_arch, opcode->arch))
valid_arch = SH_MERGE_ARCH_SET (valid_arch, opcode->arch);
else
as_bad (_("Delayed branches not available on SH1"));
parse_exp (op_end + 1, &operand[0]);
build_relax (opcode, &operand[0]);
}
else
{
if (opcode->arg[0] == A_END)
{
if (*op_end == ' ')
op_end++;
}
else
{
op_end = get_operands (opcode, op_end, operand);
}
opcode = get_specific (opcode, operand);
if (opcode == 0)
{
char *where = frag_more (2);
size = 2;
where[0] = 0x0;
where[1] = 0x0;
as_bad (_("invalid operands for opcode"));
}
else
{
if (*op_end)
as_bad (_("excess operands: '%s'"), op_end);
size = build_Mytes (opcode, operand);
}
}
}
#ifdef BFD_ASSEMBLER
dwarf2_emit_insn (size);
#endif
}
void
sh_frob_label (void)
{
static fragS *last_label_frag;
static int last_label_offset;
if (sh_relax
&& seg_info (now_seg)->tc_segment_info_data.in_code)
{
int offset;
offset = frag_now_fix ();
if (frag_now != last_label_frag
|| offset != last_label_offset)
{
fix_new (frag_now, offset, 2, &abs_symbol, 0, 0, BFD_RELOC_SH_LABEL);
last_label_frag = frag_now;
last_label_offset = offset;
}
}
}
void
sh_flush_pending_output (void)
{
if (sh_relax
&& seg_info (now_seg)->tc_segment_info_data.in_code)
{
fix_new (frag_now, frag_now_fix (), 2, &abs_symbol, 0, 0,
BFD_RELOC_SH_DATA);
seg_info (now_seg)->tc_segment_info_data.in_code = 0;
}
}
symbolS *
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
return 0;
}
#ifdef OBJ_COFF
#ifndef BFD_ASSEMBLER
void
tc_crawl_symbol_chain (object_headers *headers ATTRIBUTE_UNUSED)
{
printf (_("call to tc_crawl_symbol_chain \n"));
}
void
tc_headers_hook (object_headers *headers ATTRIBUTE_UNUSED)
{
printf (_("call to tc_headers_hook \n"));
}
#endif
#endif
#define MAX_LITTLENUMS 6
char *
md_atof (int type, char *litP, int *sizeP)
{
int prec;
LITTLENUM_TYPE words[4];
char *t;
int i;
switch (type)
{
case 'f':
prec = 2;
break;
case 'd':
prec = 4;
break;
default:
*sizeP = 0;
return _("bad call to md_atof");
}
t = atof_ieee (input_line_pointer, type, words);
if (t)
input_line_pointer = t;
*sizeP = prec * 2;
if (! target_big_endian)
{
for (i = prec - 1; i >= 0; i--)
{
md_number_to_chars (litP, (valueT) words[i], 2);
litP += 2;
}
}
else
{
for (i = 0; i < prec; i++)
{
md_number_to_chars (litP, (valueT) words[i], 2);
litP += 2;
}
}
return NULL;
}
static void
s_uses (int ignore ATTRIBUTE_UNUSED)
{
expressionS ex;
if (! sh_relax)
as_warn (_(".uses pseudo-op seen when not relaxing"));
expression (&ex);
if (ex.X_op != O_symbol || ex.X_add_number != 0)
{
as_bad (_("bad .uses format"));
ignore_rest_of_line ();
return;
}
fix_new_exp (frag_now, frag_now_fix (), 2, &ex, 1, BFD_RELOC_SH_USES);
demand_empty_rest_of_line ();
}
const char *md_shortopts = "";
struct option md_longopts[] =
{
#define OPTION_RELAX (OPTION_MD_BASE)
#define OPTION_BIG (OPTION_MD_BASE + 1)
#define OPTION_LITTLE (OPTION_BIG + 1)
#define OPTION_SMALL (OPTION_LITTLE + 1)
#define OPTION_DSP (OPTION_SMALL + 1)
#define OPTION_ISA (OPTION_DSP + 1)
#define OPTION_RENESAS (OPTION_ISA + 1)
{"relax", no_argument, NULL, OPTION_RELAX},
{"big", no_argument, NULL, OPTION_BIG},
{"little", no_argument, NULL, OPTION_LITTLE},
{"small", no_argument, NULL, OPTION_SMALL},
{"dsp", no_argument, NULL, OPTION_DSP},
{"isa", required_argument, NULL, OPTION_ISA},
{"renesas", no_argument, NULL, OPTION_RENESAS},
#ifdef HAVE_SH64
#define OPTION_ABI (OPTION_RENESAS + 1)
#define OPTION_NO_MIX (OPTION_ABI + 1)
#define OPTION_SHCOMPACT_CONST_CRANGE (OPTION_NO_MIX + 1)
#define OPTION_NO_EXPAND (OPTION_SHCOMPACT_CONST_CRANGE + 1)
#define OPTION_PT32 (OPTION_NO_EXPAND + 1)
{"abi", required_argument, NULL, OPTION_ABI},
{"no-mix", no_argument, NULL, OPTION_NO_MIX},
{"shcompact-const-crange", no_argument, NULL, OPTION_SHCOMPACT_CONST_CRANGE},
{"no-expand", no_argument, NULL, OPTION_NO_EXPAND},
{"expand-pt32", no_argument, NULL, OPTION_PT32},
#endif
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof (md_longopts);
int
md_parse_option (int c, char *arg ATTRIBUTE_UNUSED)
{
switch (c)
{
case OPTION_RELAX:
sh_relax = 1;
break;
case OPTION_BIG:
target_big_endian = 1;
break;
case OPTION_LITTLE:
target_big_endian = 0;
break;
case OPTION_SMALL:
sh_small = 1;
break;
case OPTION_DSP:
preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu);
break;
case OPTION_RENESAS:
dont_adjust_reloc_32 = 1;
break;
case OPTION_ISA:
if (strcasecmp (arg, "dsp") == 0)
preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu);
else if (strcasecmp (arg, "fp") == 0)
preset_target_arch = arch_sh_up & ~arch_sh_has_dsp;
else if (strcasecmp (arg, "any") == 0)
preset_target_arch = arch_sh_up;
#ifdef HAVE_SH64
else if (strcasecmp (arg, "shmedia") == 0)
{
if (sh64_isa_mode == sh64_isa_shcompact)
as_bad (_("Invalid combination: --isa=SHcompact with --isa=SHmedia"));
sh64_isa_mode = sh64_isa_shmedia;
}
else if (strcasecmp (arg, "shcompact") == 0)
{
if (sh64_isa_mode == sh64_isa_shmedia)
as_bad (_("Invalid combination: --isa=SHmedia with --isa=SHcompact"));
if (sh64_abi == sh64_abi_64)
as_bad (_("Invalid combination: --abi=64 with --isa=SHcompact"));
sh64_isa_mode = sh64_isa_shcompact;
}
#endif
else
{
extern const bfd_arch_info_type bfd_sh_arch;
bfd_arch_info_type const *bfd_arch = &bfd_sh_arch;
preset_target_arch = 0;
for (; bfd_arch; bfd_arch=bfd_arch->next)
{
int len = strlen(bfd_arch->printable_name);
if (bfd_arch->mach == bfd_mach_sh5)
continue;
if (strncasecmp (bfd_arch->printable_name, arg, len) != 0)
continue;
if (arg[len] == '\0')
preset_target_arch =
sh_get_arch_from_bfd_mach (bfd_arch->mach);
else if (strcasecmp(&arg[len], "-up") == 0)
preset_target_arch =
sh_get_arch_up_from_bfd_mach (bfd_arch->mach);
else
continue;
break;
}
if (!preset_target_arch)
as_bad ("Invalid argument to --isa option: %s", arg);
}
break;
#ifdef HAVE_SH64
case OPTION_ABI:
if (strcmp (arg, "32") == 0)
{
if (sh64_abi == sh64_abi_64)
as_bad (_("Invalid combination: --abi=32 with --abi=64"));
sh64_abi = sh64_abi_32;
}
else if (strcmp (arg, "64") == 0)
{
if (sh64_abi == sh64_abi_32)
as_bad (_("Invalid combination: --abi=64 with --abi=32"));
if (sh64_isa_mode == sh64_isa_shcompact)
as_bad (_("Invalid combination: --isa=SHcompact with --abi=64"));
sh64_abi = sh64_abi_64;
}
else
as_bad ("Invalid argument to --abi option: %s", arg);
break;
case OPTION_NO_MIX:
sh64_mix = FALSE;
break;
case OPTION_SHCOMPACT_CONST_CRANGE:
sh64_shcompact_const_crange = TRUE;
break;
case OPTION_NO_EXPAND:
sh64_expand = FALSE;
break;
case OPTION_PT32:
sh64_pt32 = TRUE;
break;
#endif
default:
return 0;
}
return 1;
}
void
md_show_usage (FILE *stream)
{
fprintf (stream, _("\
SH options:\n\
-little generate little endian code\n\
-big generate big endian code\n\
-relax alter jump instructions for long displacements\n\
-renesas disable optimization with section symbol for\n\
compatibility with Renesas assembler.\n\
-small align sections to 4 byte boundaries, not 16\n\
-dsp enable sh-dsp insns, and disable floating-point ISAs.\n\
-isa=[any use most appropriate isa\n\
| dsp same as '-dsp'\n\
| fp"));
{
extern const bfd_arch_info_type bfd_sh_arch;
bfd_arch_info_type const *bfd_arch = &bfd_sh_arch;
for (; bfd_arch; bfd_arch=bfd_arch->next)
if (bfd_arch->mach != bfd_mach_sh5)
{
fprintf (stream, "\n | %s", bfd_arch->printable_name);
fprintf (stream, "\n | %s-up", bfd_arch->printable_name);
}
}
fprintf (stream, "]\n");
#ifdef HAVE_SH64
fprintf (stream, _("\
-isa=[shmedia set as the default instruction set for SH64\n\
| SHmedia\n\
| shcompact\n\
| SHcompact]\n"));
fprintf (stream, _("\
-abi=[32|64] set size of expanded SHmedia operands and object\n\
file type\n\
-shcompact-const-crange emit code-range descriptors for constants in\n\
SHcompact code sections\n\
-no-mix disallow SHmedia code in the same section as\n\
constants and SHcompact code\n\
-no-expand do not expand MOVI, PT, PTA or PTB instructions\n\
-expand-pt32 with -abi=64, expand PT, PTA and PTB instructions\n\
to 32 bits only\n"));
#endif
}
struct sh_count_relocs
{
symbolS *sym;
int count;
};
static void
sh_count_relocs (bfd *abfd ATTRIBUTE_UNUSED, segT sec, void *data)
{
struct sh_count_relocs *info = (struct sh_count_relocs *) data;
segment_info_type *seginfo;
symbolS *sym;
fixS *fix;
seginfo = seg_info (sec);
if (seginfo == NULL)
return;
sym = info->sym;
for (fix = seginfo->fix_root; fix != NULL; fix = fix->fx_next)
{
if (fix->fx_addsy == sym)
{
++info->count;
fix->fx_tcbit = 1;
}
}
}
static void
sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec,
void *ignore ATTRIBUTE_UNUSED)
{
segment_info_type *seginfo;
fixS *fix;
seginfo = seg_info (sec);
if (seginfo == NULL)
return;
for (fix = seginfo->fix_root; fix != NULL; fix = fix->fx_next)
{
symbolS *sym;
bfd_vma val;
fixS *fscan;
struct sh_count_relocs info;
if (fix->fx_r_type != BFD_RELOC_SH_USES)
continue;
sym = fix->fx_addsy;
if (sym == NULL
|| fix->fx_subsy != NULL
|| fix->fx_addnumber != 0
|| S_GET_SEGMENT (sym) != sec
#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF)
|| S_GET_STORAGE_CLASS (sym) == C_EXT
#endif
|| S_IS_EXTERNAL (sym))
{
as_warn_where (fix->fx_file, fix->fx_line,
_(".uses does not refer to a local symbol in the same section"));
continue;
}
val = S_GET_VALUE (sym);
for (fscan = seginfo->fix_root;
fscan != NULL;
fscan = fscan->fx_next)
if (val == fscan->fx_frag->fr_address + fscan->fx_where
&& fscan->fx_r_type != BFD_RELOC_SH_ALIGN
&& fscan->fx_r_type != BFD_RELOC_SH_CODE
&& fscan->fx_r_type != BFD_RELOC_SH_DATA
&& fscan->fx_r_type != BFD_RELOC_SH_LABEL)
break;
if (fscan == NULL)
{
as_warn_where (fix->fx_file, fix->fx_line,
_("can't find fixup pointed to by .uses"));
continue;
}
if (fscan->fx_tcbit)
{
continue;
}
sym = fscan->fx_addsy;
if (sym == NULL
|| fscan->fx_subsy != NULL
|| fscan->fx_addnumber != 0
|| S_GET_SEGMENT (sym) != sec
#if ! defined (BFD_ASSEMBLER) && defined (OBJ_COFF)
|| S_GET_STORAGE_CLASS (sym) == C_EXT
#endif
|| S_IS_EXTERNAL (sym))
{
as_warn_where (fix->fx_file, fix->fx_line,
_(".uses target does not refer to a local symbol in the same section"));
continue;
}
info.sym = sym;
info.count = 0;
#ifdef BFD_ASSEMBLER
bfd_map_over_sections (stdoutput, sh_count_relocs, &info);
#else
{
int iscan;
for (iscan = SEG_E0; iscan < SEG_UNKNOWN; iscan++)
sh_count_relocs ((bfd *) NULL, iscan, &info);
}
#endif
if (info.count < 1)
abort ();
subseg_change (sec, 0);
fix_new (fscan->fx_frag,
S_GET_VALUE (sym) - fscan->fx_frag->fr_address,
4, &abs_symbol, info.count, 0, BFD_RELOC_SH_COUNT);
}
}
void
sh_frob_file (void)
{
#ifdef HAVE_SH64
shmedia_frob_file_before_adjust ();
#endif
if (! sh_relax)
return;
#ifdef BFD_ASSEMBLER
bfd_map_over_sections (stdoutput, sh_frob_section, NULL);
#else
{
int iseg;
for (iseg = SEG_E0; iseg < SEG_UNKNOWN; iseg++)
sh_frob_section ((bfd *) NULL, iseg, NULL);
}
#endif
}
void
#ifdef BFD_ASSEMBLER
md_convert_frag (bfd *headers ATTRIBUTE_UNUSED, segT seg, fragS *fragP)
#else
md_convert_frag (object_headers *headers ATTRIBUTE_UNUSED, segT seg,
fragS *fragP)
#endif
{
int donerelax = 0;
switch (fragP->fr_subtype)
{
case C (COND_JUMP, COND8):
case C (COND_JUMP_DELAY, COND8):
subseg_change (seg, 0);
fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
1, BFD_RELOC_SH_PCDISP8BY2);
fragP->fr_fix += 2;
fragP->fr_var = 0;
break;
case C (UNCOND_JUMP, UNCOND12):
subseg_change (seg, 0);
fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset,
1, BFD_RELOC_SH_PCDISP12BY2);
fragP->fr_fix += 2;
fragP->fr_var = 0;
break;
case C (UNCOND_JUMP, UNCOND32):
case C (UNCOND_JUMP, UNDEF_WORD_DISP):
if (fragP->fr_symbol == NULL)
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement overflows 12-bit field"));
else if (S_IS_DEFINED (fragP->fr_symbol))
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement to defined symbol %s overflows 12-bit field"),
S_GET_NAME (fragP->fr_symbol));
else
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement to undefined symbol %s overflows 12-bit field"),
S_GET_NAME (fragP->fr_symbol));
fragP->fr_fix += fragP->fr_var;
fragP->fr_var = 0;
break;
case C (COND_JUMP, COND12):
case C (COND_JUMP_DELAY, COND12):
{
unsigned char *buffer =
(unsigned char *) (fragP->fr_fix + fragP->fr_literal);
int highbyte = target_big_endian ? 0 : 1;
int lowbyte = target_big_endian ? 1 : 0;
int delay = fragP->fr_subtype == C (COND_JUMP_DELAY, COND12);
buffer[highbyte] ^= 0x2;
subseg_change (seg, 0);
fix_new (fragP, fragP->fr_fix, 2,
#ifdef BFD_ASSEMBLER
section_symbol (seg),
#else
seg_info (seg)->dot,
#endif
fragP->fr_address + fragP->fr_fix + (delay ? 4 : 6),
1, BFD_RELOC_SH_PCDISP8BY2);
buffer[highbyte + 2] = 0xa0;
buffer[lowbyte + 2] = 0;
fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol,
fragP->fr_offset, 1, BFD_RELOC_SH_PCDISP12BY2);
if (delay)
{
buffer[highbyte] &= ~0x4;
fragP->fr_fix += 4;
}
else
{
buffer[highbyte + 4] = 0x0;
buffer[lowbyte + 4] = 0x9;
fragP->fr_fix += 6;
}
fragP->fr_var = 0;
donerelax = 1;
}
break;
case C (COND_JUMP, COND32):
case C (COND_JUMP_DELAY, COND32):
case C (COND_JUMP, UNDEF_WORD_DISP):
case C (COND_JUMP_DELAY, UNDEF_WORD_DISP):
if (fragP->fr_symbol == NULL)
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement overflows 8-bit field"));
else if (S_IS_DEFINED (fragP->fr_symbol))
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement to defined symbol %s overflows 8-bit field"),
S_GET_NAME (fragP->fr_symbol));
else
as_bad_where (fragP->fr_file, fragP->fr_line,
_("displacement to undefined symbol %s overflows 8-bit field "),
S_GET_NAME (fragP->fr_symbol));
fragP->fr_fix += fragP->fr_var;
fragP->fr_var = 0;
break;
default:
#ifdef HAVE_SH64
shmedia_md_convert_frag (headers, seg, fragP, TRUE);
#else
abort ();
#endif
}
if (donerelax && !sh_relax)
as_warn_where (fragP->fr_file, fragP->fr_line,
_("overflow in branch to %s; converted into longer instruction sequence"),
(fragP->fr_symbol != NULL
? S_GET_NAME (fragP->fr_symbol)
: ""));
}
valueT
md_section_align (segT seg ATTRIBUTE_UNUSED, valueT size)
{
#ifdef BFD_ASSEMBLER
#ifdef OBJ_ELF
return size;
#else
return ((size + (1 << bfd_get_section_alignment (stdoutput, seg)) - 1)
& (-1 << bfd_get_section_alignment (stdoutput, seg)));
#endif
#else
return ((size + (1 << section_alignment[(int) seg]) - 1)
& (-1 << section_alignment[(int) seg]));
#endif
}
static int sh_no_align_cons = 0;
static void
s_uacons (int bytes)
{
sh_no_align_cons = 1;
cons (bytes);
}
void
sh_cons_align (int nbytes)
{
int nalign;
char *p;
if (sh_no_align_cons)
{
sh_no_align_cons = 0;
return;
}
nalign = 0;
while ((nbytes & 1) == 0)
{
++nalign;
nbytes >>= 1;
}
if (nalign == 0)
return;
if (now_seg == absolute_section)
{
if ((abs_section_offset & ((1 << nalign) - 1)) != 0)
as_warn (_("misaligned data"));
return;
}
p = frag_var (rs_align_test, 1, 1, (relax_substateT) 0,
(symbolS *) NULL, (offsetT) nalign, (char *) NULL);
record_alignment (now_seg, nalign);
}
void
sh_handle_align (fragS *frag)
{
int bytes = frag->fr_next->fr_address - frag->fr_address - frag->fr_fix;
if (frag->fr_type == rs_align_code)
{
static const unsigned char big_nop_pattern[] = { 0x00, 0x09 };
static const unsigned char little_nop_pattern[] = { 0x09, 0x00 };
char *p = frag->fr_literal + frag->fr_fix;
if (bytes & 1)
{
*p++ = 0;
bytes--;
frag->fr_fix += 1;
}
if (target_big_endian)
{
memcpy (p, big_nop_pattern, sizeof big_nop_pattern);
frag->fr_var = sizeof big_nop_pattern;
}
else
{
memcpy (p, little_nop_pattern, sizeof little_nop_pattern);
frag->fr_var = sizeof little_nop_pattern;
}
}
else if (frag->fr_type == rs_align_test)
{
if (bytes != 0)
as_warn_where (frag->fr_file, frag->fr_line, _("misaligned data"));
}
if (sh_relax
&& (frag->fr_type == rs_align
|| frag->fr_type == rs_align_code)
&& frag->fr_address + frag->fr_fix > 0
&& frag->fr_offset > 1
&& now_seg != bss_section)
fix_new (frag, frag->fr_fix, 2, &abs_symbol, frag->fr_offset, 0,
BFD_RELOC_SH_ALIGN);
}
static bfd_boolean
sh_local_pcrel (fixS *fix)
{
return (! sh_relax
&& (fix->fx_r_type == BFD_RELOC_SH_PCDISP8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCDISP12BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY4
|| fix->fx_r_type == BFD_RELOC_8_PCREL
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH16
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH32));
}
int
sh_force_relocation (fixS *fix)
{
if (sh_local_pcrel (fix))
return 0;
if (fix->fx_r_type == BFD_RELOC_SH_LOOP_START
|| fix->fx_r_type == BFD_RELOC_SH_LOOP_END
|| fix->fx_r_type == BFD_RELOC_SH_TLS_GD_32
|| fix->fx_r_type == BFD_RELOC_SH_TLS_LD_32
|| fix->fx_r_type == BFD_RELOC_SH_TLS_IE_32
|| fix->fx_r_type == BFD_RELOC_SH_TLS_LDO_32
|| fix->fx_r_type == BFD_RELOC_SH_TLS_LE_32
|| generic_force_reloc (fix))
return 1;
if (! sh_relax)
return 0;
return (fix->fx_pcrel
|| SWITCH_TABLE (fix)
|| fix->fx_r_type == BFD_RELOC_SH_COUNT
|| fix->fx_r_type == BFD_RELOC_SH_ALIGN
|| fix->fx_r_type == BFD_RELOC_SH_CODE
|| fix->fx_r_type == BFD_RELOC_SH_DATA
#ifdef HAVE_SH64
|| fix->fx_r_type == BFD_RELOC_SH_SHMEDIA_CODE
#endif
|| fix->fx_r_type == BFD_RELOC_SH_LABEL);
}
#ifdef OBJ_ELF
bfd_boolean
sh_fix_adjustable (fixS *fixP)
{
if (fixP->fx_r_type == BFD_RELOC_32_PLT_PCREL
|| fixP->fx_r_type == BFD_RELOC_32_GOT_PCREL
|| fixP->fx_r_type == BFD_RELOC_SH_GOTPC
|| ((fixP->fx_r_type == BFD_RELOC_32) && dont_adjust_reloc_32)
|| fixP->fx_r_type == BFD_RELOC_RVA)
return 0;
if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
return 1;
}
void
sh_elf_final_processing (void)
{
int val;
#ifdef HAVE_SH64
if (sh64_isa_mode != sh64_isa_unspecified)
val = EF_SH5;
else
#elif defined TARGET_SYMBIAN
if (1)
val = sh_symbian_find_elf_flags (valid_arch);
else
#endif
val = sh_find_elf_flags (valid_arch);
elf_elfheader (stdoutput)->e_flags &= ~EF_SH_MACH_MASK;
elf_elfheader (stdoutput)->e_flags |= val;
}
#endif
void
md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
int lowbyte = target_big_endian ? 1 : 0;
int highbyte = target_big_endian ? 0 : 1;
long val = (long) *valP;
long max, min;
int shift;
#ifdef BFD_ASSEMBLER
if (fixP->fx_pcrel)
{
switch (fixP->fx_r_type)
{
default:
break;
case BFD_RELOC_32:
fixP->fx_r_type = BFD_RELOC_32_PCREL;
break;
case BFD_RELOC_16:
bfd_set_error (bfd_error_bad_value);
return;
case BFD_RELOC_8:
bfd_set_error (bfd_error_bad_value);
return;
}
}
if (OUTPUT_FLAVOR != bfd_target_elf_flavour
&& fixP->fx_addsy != NULL
&& S_IS_WEAK (fixP->fx_addsy))
val -= S_GET_VALUE (fixP->fx_addsy);
#endif
#ifdef BFD_ASSEMBLER
if (SWITCH_TABLE (fixP))
val -= S_GET_VALUE (fixP->fx_subsy);
#else
if (fixP->fx_r_type == 0)
{
if (fixP->fx_size == 2)
fixP->fx_r_type = BFD_RELOC_16;
else if (fixP->fx_size == 4)
fixP->fx_r_type = BFD_RELOC_32;
else if (fixP->fx_size == 1)
fixP->fx_r_type = BFD_RELOC_8;
else
abort ();
}
#endif
max = min = 0;
shift = 0;
switch (fixP->fx_r_type)
{
case BFD_RELOC_SH_IMM3:
max = 0x7;
* buf = (* buf & 0xf8) | (val & 0x7);
break;
case BFD_RELOC_SH_IMM3U:
max = 0x7;
* buf = (* buf & 0x8f) | ((val & 0x7) << 4);
break;
case BFD_RELOC_SH_DISP12:
max = 0xfff;
buf[lowbyte] = val & 0xff;
buf[highbyte] |= (val >> 8) & 0x0f;
break;
case BFD_RELOC_SH_DISP12BY2:
max = 0xfff;
shift = 1;
buf[lowbyte] = (val >> 1) & 0xff;
buf[highbyte] |= (val >> 9) & 0x0f;
break;
case BFD_RELOC_SH_DISP12BY4:
max = 0xfff;
shift = 2;
buf[lowbyte] = (val >> 2) & 0xff;
buf[highbyte] |= (val >> 10) & 0x0f;
break;
case BFD_RELOC_SH_DISP12BY8:
max = 0xfff;
shift = 3;
buf[lowbyte] = (val >> 3) & 0xff;
buf[highbyte] |= (val >> 11) & 0x0f;
break;
case BFD_RELOC_SH_DISP20:
if (! target_big_endian)
abort();
max = 0x7ffff;
min = -0x80000;
buf[1] = (buf[1] & 0x0f) | ((val >> 12) & 0xf0);
buf[2] = (val >> 8) & 0xff;
buf[3] = val & 0xff;
break;
case BFD_RELOC_SH_DISP20BY8:
if (!target_big_endian)
abort();
max = 0x7ffff;
min = -0x80000;
shift = 8;
buf[1] = (buf[1] & 0x0f) | ((val >> 20) & 0xf0);
buf[2] = (val >> 16) & 0xff;
buf[3] = (val >> 8) & 0xff;
break;
case BFD_RELOC_SH_IMM4:
max = 0xf;
*buf = (*buf & 0xf0) | (val & 0xf);
break;
case BFD_RELOC_SH_IMM4BY2:
max = 0xf;
shift = 1;
*buf = (*buf & 0xf0) | ((val >> 1) & 0xf);
break;
case BFD_RELOC_SH_IMM4BY4:
max = 0xf;
shift = 2;
*buf = (*buf & 0xf0) | ((val >> 2) & 0xf);
break;
case BFD_RELOC_SH_IMM8BY2:
max = 0xff;
shift = 1;
*buf = val >> 1;
break;
case BFD_RELOC_SH_IMM8BY4:
max = 0xff;
shift = 2;
*buf = val >> 2;
break;
case BFD_RELOC_8:
case BFD_RELOC_SH_IMM8:
max = 0xff;
min = -0xff;
*buf++ = val;
break;
case BFD_RELOC_SH_PCRELIMM8BY4:
val = (val + 2) / 4;
if (val & ~0xff)
as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far"));
buf[lowbyte] = val;
break;
case BFD_RELOC_SH_PCRELIMM8BY2:
val /= 2;
if (val & ~0xff)
as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far"));
buf[lowbyte] = val;
break;
case BFD_RELOC_SH_PCDISP8BY2:
val /= 2;
if (val < -0x80 || val > 0x7f)
as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far"));
buf[lowbyte] = val;
break;
case BFD_RELOC_SH_PCDISP12BY2:
val /= 2;
if (val < -0x800 || val > 0x7ff)
as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far"));
buf[lowbyte] = val & 0xff;
buf[highbyte] |= (val >> 8) & 0xf;
break;
case BFD_RELOC_32:
case BFD_RELOC_32_PCREL:
md_number_to_chars (buf, val, 4);
break;
case BFD_RELOC_16:
md_number_to_chars (buf, val, 2);
break;
case BFD_RELOC_SH_USES:
fixP->fx_addnumber = val;
break;
case BFD_RELOC_SH_COUNT:
case BFD_RELOC_SH_ALIGN:
case BFD_RELOC_SH_CODE:
case BFD_RELOC_SH_DATA:
case BFD_RELOC_SH_LABEL:
break;
case BFD_RELOC_SH_LOOP_START:
case BFD_RELOC_SH_LOOP_END:
case BFD_RELOC_VTABLE_INHERIT:
case BFD_RELOC_VTABLE_ENTRY:
fixP->fx_done = 0;
return;
#ifdef OBJ_ELF
case BFD_RELOC_32_PLT_PCREL:
* valP = 0xfffffffc;
val = fixP->fx_offset;
if (fixP->fx_subsy)
val -= S_GET_VALUE (fixP->fx_subsy);
fixP->fx_addnumber = val;
md_number_to_chars (buf, val, 4);
break;
case BFD_RELOC_SH_GOTPC:
* valP -= 1;
md_number_to_chars (buf, val, 4);
break;
case BFD_RELOC_SH_TLS_GD_32:
case BFD_RELOC_SH_TLS_LD_32:
case BFD_RELOC_SH_TLS_IE_32:
S_SET_THREAD_LOCAL (fixP->fx_addsy);
case BFD_RELOC_32_GOT_PCREL:
case BFD_RELOC_SH_GOTPLT32:
* valP = 0;
md_number_to_chars (buf, 0, 4);
break;
case BFD_RELOC_SH_TLS_LDO_32:
case BFD_RELOC_SH_TLS_LE_32:
S_SET_THREAD_LOCAL (fixP->fx_addsy);
case BFD_RELOC_32_GOTOFF:
md_number_to_chars (buf, val, 4);
break;
#endif
default:
#ifdef HAVE_SH64
shmedia_md_apply_fix3 (fixP, valP);
return;
#else
abort ();
#endif
}
if (shift != 0)
{
if ((val & ((1 << shift) - 1)) != 0)
as_bad_where (fixP->fx_file, fixP->fx_line, _("misaligned offset"));
if (val >= 0)
val >>= shift;
else
val = ((val >> shift)
| ((long) -1 & ~ ((long) -1 >> shift)));
}
if (max != 0 && (val < min || val > max))
as_bad_where (fixP->fx_file, fixP->fx_line, _("offset out of range"));
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
fixP->fx_done = 1;
}
int
md_estimate_size_before_relax (fragS *fragP, segT segment_type)
{
int what;
switch (fragP->fr_subtype)
{
default:
#ifdef HAVE_SH64
return shmedia_md_estimate_size_before_relax (fragP, segment_type);
#else
abort ();
#endif
case C (UNCOND_JUMP, UNDEF_DISP):
if (!fragP->fr_symbol)
{
fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12);
}
else if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
{
fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12);
}
else
{
fragP->fr_subtype = C (UNCOND_JUMP, UNDEF_WORD_DISP);
}
break;
case C (COND_JUMP, UNDEF_DISP):
case C (COND_JUMP_DELAY, UNDEF_DISP):
what = GET_WHAT (fragP->fr_subtype);
if (fragP->fr_symbol
&& S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
{
fragP->fr_subtype = C (what, COND8);
}
else if (fragP->fr_symbol)
{
fragP->fr_subtype = C (what, UNDEF_WORD_DISP);
}
else
{
fragP->fr_subtype = C (what, COND8);
}
break;
case C (UNCOND_JUMP, UNCOND12):
case C (UNCOND_JUMP, UNCOND32):
case C (UNCOND_JUMP, UNDEF_WORD_DISP):
case C (COND_JUMP, COND8):
case C (COND_JUMP, COND12):
case C (COND_JUMP, COND32):
case C (COND_JUMP, UNDEF_WORD_DISP):
case C (COND_JUMP_DELAY, COND8):
case C (COND_JUMP_DELAY, COND12):
case C (COND_JUMP_DELAY, COND32):
case C (COND_JUMP_DELAY, UNDEF_WORD_DISP):
break;
}
fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
return fragP->fr_var;
}
void
md_number_to_chars (char *ptr, valueT use, int nbytes)
{
#ifdef HAVE_SH64
sh64_flag_output ();
#endif
if (! target_big_endian)
number_to_chars_littleendian (ptr, use, nbytes);
else
number_to_chars_bigendian (ptr, use, nbytes);
}
long
md_pcrel_from (fixS *fixP)
{
return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address + 2;
}
long
md_pcrel_from_section (fixS *fixP, segT sec)
{
if (! sh_local_pcrel (fixP)
&& fixP->fx_addsy != (symbolS *) NULL
&& (generic_force_reloc (fixP)
|| S_GET_SEGMENT (fixP->fx_addsy) != sec))
{
return fixP->fx_subsy ? fixP->fx_where + fixP->fx_frag->fr_address : 0;
}
return md_pcrel_from (fixP);
}
#ifdef OBJ_COFF
int
tc_coff_sizemachdep (fragS *frag)
{
return md_relax_table[frag->fr_subtype].rlx_length;
}
#endif
#ifndef BFD_ASSEMBLER
#ifdef OBJ_COFF
struct reloc_map
{
bfd_reloc_code_real_type bfd_reloc;
int sh_reloc;
};
static const struct reloc_map coff_reloc_map[] =
{
{ BFD_RELOC_32, R_SH_IMM32 },
{ BFD_RELOC_16, R_SH_IMM16 },
{ BFD_RELOC_8, R_SH_IMM8 },
{ BFD_RELOC_SH_PCDISP8BY2, R_SH_PCDISP8BY2 },
{ BFD_RELOC_SH_PCDISP12BY2, R_SH_PCDISP },
{ BFD_RELOC_SH_IMM4, R_SH_IMM4 },
{ BFD_RELOC_SH_IMM4BY2, R_SH_IMM4BY2 },
{ BFD_RELOC_SH_IMM4BY4, R_SH_IMM4BY4 },
{ BFD_RELOC_SH_IMM8, R_SH_IMM8 },
{ BFD_RELOC_SH_IMM8BY2, R_SH_IMM8BY2 },
{ BFD_RELOC_SH_IMM8BY4, R_SH_IMM8BY4 },
{ BFD_RELOC_SH_PCRELIMM8BY2, R_SH_PCRELIMM8BY2 },
{ BFD_RELOC_SH_PCRELIMM8BY4, R_SH_PCRELIMM8BY4 },
{ BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
{ BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
{ BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
{ BFD_RELOC_SH_USES, R_SH_USES },
{ BFD_RELOC_SH_COUNT, R_SH_COUNT },
{ BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
{ BFD_RELOC_SH_CODE, R_SH_CODE },
{ BFD_RELOC_SH_DATA, R_SH_DATA },
{ BFD_RELOC_SH_LABEL, R_SH_LABEL },
{ BFD_RELOC_UNUSED, 0 }
};
void
sh_coff_reloc_mangle (segment_info_type *seg, fixS *fix,
struct internal_reloc *intr, unsigned int paddr)
{
symbolS *symbol_ptr = fix->fx_addsy;
symbolS *dot;
intr->r_vaddr = paddr + fix->fx_frag->fr_address + fix->fx_where;
if (! SWITCH_TABLE (fix))
{
const struct reloc_map *rm;
for (rm = coff_reloc_map; rm->bfd_reloc != BFD_RELOC_UNUSED; rm++)
if (rm->bfd_reloc == (bfd_reloc_code_real_type) fix->fx_r_type)
break;
if (rm->bfd_reloc == BFD_RELOC_UNUSED)
as_bad_where (fix->fx_file, fix->fx_line,
_("Can not represent %s relocation in this object file format"),
bfd_get_reloc_code_name (fix->fx_r_type));
intr->r_type = rm->sh_reloc;
intr->r_offset = 0;
}
else
{
know (sh_relax);
if (fix->fx_r_type == BFD_RELOC_16)
intr->r_type = R_SH_SWITCH16;
else if (fix->fx_r_type == BFD_RELOC_8)
intr->r_type = R_SH_SWITCH8;
else if (fix->fx_r_type == BFD_RELOC_32)
intr->r_type = R_SH_SWITCH32;
else
abort ();
intr->r_offset = intr->r_vaddr - S_GET_VALUE (fix->fx_subsy);
}
if (symbol_ptr == NULL)
{
switch (fix->fx_r_type)
{
case BFD_RELOC_SH_PCRELIMM8BY2:
case BFD_RELOC_SH_PCRELIMM8BY4:
case BFD_RELOC_SH_PCDISP8BY2:
case BFD_RELOC_SH_PCDISP12BY2:
case BFD_RELOC_SH_USES:
symbol_ptr = seg->dot;
break;
default:
break;
}
}
if (fix->fx_r_type == BFD_RELOC_SH_USES)
{
intr->r_offset = fix->fx_addnumber;
}
else if (fix->fx_r_type == BFD_RELOC_SH_COUNT)
{
intr->r_offset = fix->fx_offset;
symbol_ptr = NULL;
}
else if (fix->fx_r_type == BFD_RELOC_SH_ALIGN)
{
intr->r_offset = fix->fx_offset;
symbol_ptr = NULL;
}
else if (fix->fx_r_type == BFD_RELOC_SH_CODE
|| fix->fx_r_type == BFD_RELOC_SH_DATA
|| fix->fx_r_type == BFD_RELOC_SH_LABEL)
{
symbol_ptr = NULL;
}
if (symbol_ptr != NULL)
{
dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot;
if (dot != NULL)
intr->r_symndx = dot->sy_number;
else
intr->r_symndx = symbol_ptr->sy_number;
}
else
intr->r_symndx = -1;
}
#endif
#endif
#ifdef BFD_ASSEMBLER
arelent *
tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
{
arelent *rel;
bfd_reloc_code_real_type r_type;
rel = (arelent *) xmalloc (sizeof (arelent));
rel->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
rel->address = fixp->fx_frag->fr_address + fixp->fx_where;
r_type = fixp->fx_r_type;
if (SWITCH_TABLE (fixp))
{
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy);
rel->addend = 0;
if (r_type == BFD_RELOC_16)
r_type = BFD_RELOC_SH_SWITCH16;
else if (r_type == BFD_RELOC_8)
r_type = BFD_RELOC_8_PCREL;
else if (r_type == BFD_RELOC_32)
r_type = BFD_RELOC_SH_SWITCH32;
else
abort ();
}
else if (r_type == BFD_RELOC_SH_USES)
rel->addend = fixp->fx_addnumber;
else if (r_type == BFD_RELOC_SH_COUNT)
rel->addend = fixp->fx_offset;
else if (r_type == BFD_RELOC_SH_ALIGN)
rel->addend = fixp->fx_offset;
else if (r_type == BFD_RELOC_VTABLE_INHERIT
|| r_type == BFD_RELOC_VTABLE_ENTRY)
rel->addend = fixp->fx_offset;
else if (r_type == BFD_RELOC_SH_LOOP_START
|| r_type == BFD_RELOC_SH_LOOP_END)
rel->addend = fixp->fx_offset;
else if (r_type == BFD_RELOC_SH_LABEL && fixp->fx_pcrel)
{
rel->addend = 0;
rel->address = rel->addend = fixp->fx_offset;
}
#ifdef HAVE_SH64
else if (shmedia_init_reloc (rel, fixp))
;
#endif
else if (fixp->fx_pcrel)
rel->addend = fixp->fx_addnumber;
else if (r_type == BFD_RELOC_32 || r_type == BFD_RELOC_32_GOTOFF)
rel->addend = fixp->fx_addnumber;
else
rel->addend = 0;
rel->howto = bfd_reloc_type_lookup (stdoutput, r_type);
if (rel->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
_("Cannot represent relocation type %s"),
bfd_get_reloc_code_name (r_type));
rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32);
assert (rel->howto != NULL);
}
#ifdef OBJ_ELF
else if (rel->howto->type == R_SH_IND12W)
rel->addend += fixp->fx_offset - 4;
#endif
return rel;
}
#ifdef OBJ_ELF
inline static char *
sh_end_of_match (char *cont, char *what)
{
int len = strlen (what);
if (strncasecmp (cont, what, strlen (what)) == 0
&& ! is_part_of_name (cont[len]))
return cont + len;
return NULL;
}
int
sh_parse_name (char const *name, expressionS *exprP, char *nextcharP)
{
char *next = input_line_pointer;
char *next_end;
int reloc_type;
segT segment;
exprP->X_op_symbol = NULL;
if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0)
{
if (! GOT_symbol)
GOT_symbol = symbol_find_or_make (name);
exprP->X_add_symbol = GOT_symbol;
no_suffix:
segment = S_GET_SEGMENT (exprP->X_add_symbol);
if (segment == absolute_section)
{
exprP->X_op = O_constant;
exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
exprP->X_add_symbol = NULL;
}
else if (segment == reg_section)
{
exprP->X_op = O_register;
exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
exprP->X_add_symbol = NULL;
}
else
{
exprP->X_op = O_symbol;
exprP->X_add_number = 0;
}
return 1;
}
exprP->X_add_symbol = symbol_find_or_make (name);
if (*nextcharP != '@')
goto no_suffix;
else if ((next_end = sh_end_of_match (next + 1, "GOTOFF")))
reloc_type = BFD_RELOC_32_GOTOFF;
else if ((next_end = sh_end_of_match (next + 1, "GOTPLT")))
reloc_type = BFD_RELOC_SH_GOTPLT32;
else if ((next_end = sh_end_of_match (next + 1, "GOT")))
reloc_type = BFD_RELOC_32_GOT_PCREL;
else if ((next_end = sh_end_of_match (next + 1, "PLT")))
reloc_type = BFD_RELOC_32_PLT_PCREL;
else if ((next_end = sh_end_of_match (next + 1, "TLSGD")))
reloc_type = BFD_RELOC_SH_TLS_GD_32;
else if ((next_end = sh_end_of_match (next + 1, "TLSLDM")))
reloc_type = BFD_RELOC_SH_TLS_LD_32;
else if ((next_end = sh_end_of_match (next + 1, "GOTTPOFF")))
reloc_type = BFD_RELOC_SH_TLS_IE_32;
else if ((next_end = sh_end_of_match (next + 1, "TPOFF")))
reloc_type = BFD_RELOC_SH_TLS_LE_32;
else if ((next_end = sh_end_of_match (next + 1, "DTPOFF")))
reloc_type = BFD_RELOC_SH_TLS_LDO_32;
else
goto no_suffix;
*input_line_pointer = *nextcharP;
input_line_pointer = next_end;
*nextcharP = *input_line_pointer;
*input_line_pointer = '\0';
exprP->X_op = O_PIC_reloc;
exprP->X_add_number = 0;
exprP->X_md = reloc_type;
return 1;
}
void
sh_cfi_frame_initial_instructions (void)
{
cfi_add_CFA_def_cfa (15, 0);
}
int
sh_regname_to_dw2regnum (const char *regname)
{
unsigned int regnum = -1;
unsigned int i;
const char *p;
char *q;
static struct { char *name; int dw2regnum; } regnames[] =
{
{ "pr", 17 }, { "t", 18 }, { "gbr", 19 }, { "mach", 20 },
{ "macl", 21 }, { "fpul", 23 }
};
for (i = 0; i < ARRAY_SIZE (regnames); ++i)
if (strcmp (regnames[i].name, regname) == 0)
return regnames[i].dw2regnum;
if (regname[0] == 'r')
{
p = regname + 1;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 16)
return -1;
}
else if (regname[0] == 'f' && regname[1] == 'r')
{
p = regname + 2;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 16)
return -1;
regnum += 25;
}
else if (regname[0] == 'x' && regname[1] == 'd')
{
p = regname + 2;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 8)
return -1;
regnum += 87;
}
return regnum;
}
#endif
#endif