/* tc-v850.c -- Assembler code for the NEC V850
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2009 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-#include <stdio.h>
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
static int processor_mask = -1;
\f
/* Structure to hold information about predefined registers. */
-struct reg_name {
+struct reg_name
+{
const char *name;
int value;
};
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
\f
-const relax_typeS md_relax_table[] = {
+const relax_typeS md_relax_table[] =
+{
/* Conditional branches. */
{0xff, -0x100, 2, 1},
{0x1fffff, -0x200000, 6, 0},
static int v850_relax = 0;
/* Fixups. */
-#define MAX_INSN_FIXUPS (5)
-struct v850_fixup {
+#define MAX_INSN_FIXUPS 5
+
+struct v850_fixup
+{
expressionS exp;
int opindex;
bfd_reloc_code_real_type reloc;
#define CALL_TABLE_TEXT_SECTION 12
#define BSS_SECTION 13
-static void do_v850_seg PARAMS ((int, subsegT));
-
static void
-do_v850_seg (i, sub)
- int i;
- subsegT sub;
+do_v850_seg (int i, subsegT sub)
{
struct v850_seg_entry *seg = v850_seg_table + i;
obj_elf_section_change_hook ();
+
if (seg->s != NULL)
- {
- subseg_set (seg->s, sub);
- }
+ subseg_set (seg->s, sub);
else
{
seg->s = subseg_new (seg->name, sub);
}
}
-static void v850_seg PARAMS ((int i));
-
static void
-v850_seg (i)
- int i;
+v850_seg (int i)
{
subsegT sub = get_absolute_expression ();
demand_empty_rest_of_line ();
}
-static void v850_offset PARAMS ((int));
-
static void
-v850_offset (ignore)
- int ignore ATTRIBUTE_UNUSED;
+v850_offset (int ignore ATTRIBUTE_UNUSED)
{
char *pfrag;
int temp = get_absolute_expression ();
-
+
pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, (symbolS *)0,
- (offsetT) temp, (char *) 0);
+ (offsetT) temp, (char *) 0);
*pfrag = 0;
demand_empty_rest_of_line ();
/* Copied from obj_elf_common() in gas/config/obj-elf.c. */
-static void v850_comm PARAMS ((int));
-
static void
-v850_comm (area)
- int area;
+v850_comm (int area)
{
char *name;
char c;
if (S_GET_VALUE (symbolP) != 0)
{
if (S_GET_VALUE (symbolP) != size)
- {
- /* xgettext:c-format */
- as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."),
- S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
- }
+ /* xgettext:c-format */
+ as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."),
+ S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
}
know (symbol_get_frag (symbolP) == &zero_address_frag);
}
else
{
- segT old_sec;
- int old_subsec;
+ segT old_sec;
+ int old_subsec;
allocate_common:
- old_sec = now_seg;
- old_subsec = now_subseg;
+ old_sec = now_seg;
+ old_subsec = now_subseg;
S_SET_VALUE (symbolP, (valueT) size);
S_SET_ALIGN (symbolP, temp);
input_line_pointer--;
goto bad_common_segment;
}
+
while (*input_line_pointer++ != '"')
;
+
goto allocate_common;
}
}
}
-static void set_machine PARAMS ((int));
-
static void
-set_machine (number)
- int number;
+set_machine (int number)
{
machine = number;
bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
switch (machine)
{
- case 0: processor_mask = PROCESSOR_V850; break;
+ case 0: processor_mask = PROCESSOR_V850; break;
case bfd_mach_v850e: processor_mask = PROCESSOR_V850E; break;
+ case bfd_mach_v850e1: processor_mask = PROCESSOR_V850E; break;
}
}
-static void v850_longcode PARAMS ((int));
-
static void
-v850_longcode (type)
- int type;
+v850_longcode (int type)
{
expressionS ex;
if (! v850_relax)
{
if (type == 1)
- as_warn (".longcall pseudo-op seen when not relaxing");
+ as_warn (_(".longcall pseudo-op seen when not relaxing"));
else
- as_warn (".longjump pseudo-op seen when not relaxing");
+ as_warn (_(".longjump pseudo-op seen when not relaxing"));
}
expression (&ex);
if (ex.X_op != O_symbol || ex.X_add_number != 0)
{
- as_bad ("bad .longcall format");
+ as_bad (_("bad .longcall format"));
ignore_rest_of_line ();
return;
}
- if (type == 1)
+ if (type == 1)
fix_new_exp (frag_now, frag_now_fix (), 4, & ex, 1,
BFD_RELOC_V850_LONGCALL);
else
}
/* The target specific pseudo-ops which we support. */
-const pseudo_typeS md_pseudo_table[] = {
+const pseudo_typeS md_pseudo_table[] =
+{
{ "sdata", v850_seg, SDATA_SECTION },
{ "tdata", v850_seg, TDATA_SECTION },
{ "zdata", v850_seg, ZDATA_SECTION },
{ "call_table_data", v850_seg, CALL_TABLE_DATA_SECTION },
{ "call_table_text", v850_seg, CALL_TABLE_TEXT_SECTION },
{ "v850e", set_machine, bfd_mach_v850e },
- { "file", (void (*) PARAMS ((int))) dwarf2_directive_file, 0 },
- { "loc", dwarf2_directive_loc, 0 },
- { "longcall", v850_longcode, 1 },
- { "longjump", v850_longcode, 2 },
+ { "v850e1", set_machine, bfd_mach_v850e1 },
+ { "longcall", v850_longcode, 1 },
+ { "longjump", v850_longcode, 2 },
{ NULL, NULL, 0 }
};
static struct hash_control *v850_hash;
/* This table is sorted. Suitable for searching by a binary search. */
-static const struct reg_name pre_defined_registers[] = {
- { "ep", 30 }, /* ep - element ptr */
- { "gp", 4 }, /* gp - global ptr */
- { "hp", 2 }, /* hp - handler stack ptr */
- { "lp", 31 }, /* lp - link ptr */
+static const struct reg_name pre_defined_registers[] =
+{
+ { "ep", 30 }, /* ep - element ptr. */
+ { "gp", 4 }, /* gp - global ptr. */
+ { "hp", 2 }, /* hp - handler stack ptr. */
+ { "lp", 31 }, /* lp - link ptr. */
{ "r0", 0 },
{ "r1", 1 },
{ "r10", 10 },
{ "r7", 7 },
{ "r8", 8 },
{ "r9", 9 },
- { "sp", 3 }, /* sp - stack ptr */
- { "tp", 5 }, /* tp - text ptr */
+ { "sp", 3 }, /* sp - stack ptr. */
+ { "tp", 5 }, /* tp - text ptr. */
{ "zero", 0 },
};
#define REG_NAME_CNT \
(sizeof (pre_defined_registers) / sizeof (struct reg_name))
-static const struct reg_name system_registers[] = {
+static const struct reg_name system_registers[] =
+{
+ { "asid", 23 },
+ { "bpc", 22 },
+ { "bpav", 24 },
+ { "bpam", 25 },
+ { "bpdv", 26 },
+ { "bpdm", 27 },
{ "ctbp", 20 },
{ "ctpc", 16 },
{ "ctpsw", 17 },
{ "dbpc", 18 },
{ "dbpsw", 19 },
+ { "dir", 21 },
{ "ecr", 4 },
{ "eipc", 0 },
{ "eipsw", 1 },
#define SYSREG_NAME_CNT \
(sizeof (system_registers) / sizeof (struct reg_name))
-static const struct reg_name system_list_registers[] = {
+static const struct reg_name system_list_registers[] =
+{
{"PS", 5 },
{"SR", 0 + 1}
};
#define SYSREGLIST_NAME_CNT \
(sizeof (system_list_registers) / sizeof (struct reg_name))
-static const struct reg_name cc_names[] = {
+static const struct reg_name cc_names[] =
+{
{ "c", 0x1 },
{ "e", 0x2 },
{ "ge", 0xe },
valid regiter name. Return the register number from the array on
success, or -1 on failure. */
-static int reg_name_search
- PARAMS ((const struct reg_name *, int, const char *, bfd_boolean));
-
static int
-reg_name_search (regs, regcount, name, accept_numbers)
- const struct reg_name *regs;
- int regcount;
- const char *name;
- bfd_boolean accept_numbers;
+reg_name_search (const struct reg_name *regs,
+ int regcount,
+ const char *name,
+ bfd_boolean accept_numbers)
{
int middle, low, high;
int cmp;
/* If the symbol is an alias for another name then use that.
If the symbol is an alias for a number, then return the number. */
if (symbol_equated_p (symbolP))
- {
- name
- = S_GET_NAME (symbol_get_value_expression (symbolP)->X_add_symbol);
- }
+ name
+ = S_GET_NAME (symbol_get_value_expression (symbolP)->X_add_symbol);
else if (accept_numbers)
{
int reg = S_GET_VALUE (symbolP);
}
/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state. */
-static bfd_boolean register_name PARAMS ((expressionS *));
+ in: Input_line_pointer points to 1st char of operand.
+
+ out: An expressionS.
+ The operand may have been a register: in this case, X_op == O_register,
+ X_add_number is set to the register number, and truth is returned.
+ Input_line_pointer->(next non-blank) char after operand, or is in
+ its original state. */
static bfd_boolean
-register_name (expressionP)
- expressionS *expressionP;
+register_name (expressionS *expressionP)
{
int reg_number;
char *name;
/* Look to see if it's in the register table. */
if (reg_number >= 0)
{
- expressionP->X_op = O_register;
+ expressionP->X_op = O_register;
expressionP->X_add_number = reg_number;
/* Make the rest nice. */
}
/* Summary of system_register_name().
- *
- * in: INPUT_LINE_POINTER points to 1st char of operand.
- * EXPRESSIONP points to an expression structure to be filled in.
- * ACCEPT_NUMBERS is true iff numerical register names may be used.
- * ACCEPT_LIST_NAMES is true iff the special names PS and SR may be
- * accepted.
- *
- * out: An expressionS structure in expressionP.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state. */
-
-static bfd_boolean system_register_name
- PARAMS ((expressionS *, bfd_boolean, bfd_boolean));
+
+ in: INPUT_LINE_POINTER points to 1st char of operand.
+ EXPRESSIONP points to an expression structure to be filled in.
+ ACCEPT_NUMBERS is true iff numerical register names may be used.
+ ACCEPT_LIST_NAMES is true iff the special names PS and SR may be
+ accepted.
+
+ out: An expressionS structure in expressionP.
+ The operand may have been a register: in this case, X_op == O_register,
+ X_add_number is set to the register number, and truth is returned.
+ Input_line_pointer->(next non-blank) char after operand, or is in
+ its original state. */
static bfd_boolean
-system_register_name (expressionP, accept_numbers, accept_list_names)
- expressionS *expressionP;
- bfd_boolean accept_numbers;
- bfd_boolean accept_list_names;
+system_register_name (expressionS *expressionP,
+ bfd_boolean accept_numbers,
+ bfd_boolean accept_list_names)
{
int reg_number;
char *name;
/* Make sure that the register number is allowable. */
if (reg_number < 0
|| (reg_number > 5 && reg_number < 16)
- || reg_number > 20)
- {
- reg_number = -1;
- }
+ || reg_number > 27)
+ reg_number = -1;
}
else if (accept_list_names)
{
/* Look to see if it's in the register table. */
if (reg_number >= 0)
{
- expressionP->X_op = O_register;
+ expressionP->X_op = O_register;
expressionP->X_add_number = reg_number;
/* Make the rest nice. */
}
/* Summary of cc_name().
- *
- * in: INPUT_LINE_POINTER points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state. */
-static bfd_boolean cc_name PARAMS ((expressionS *));
+ in: INPUT_LINE_POINTER points to 1st char of operand.
+
+ out: An expressionS.
+ The operand may have been a register: in this case, X_op == O_register,
+ X_add_number is set to the register number, and truth is returned.
+ Input_line_pointer->(next non-blank) char after operand, or is in
+ its original state. */
static bfd_boolean
-cc_name (expressionP)
- expressionS *expressionP;
+cc_name (expressionS *expressionP)
{
int reg_number;
char *name;
/* Look to see if it's in the register table. */
if (reg_number >= 0)
{
- expressionP->X_op = O_constant;
+ expressionP->X_op = O_constant;
expressionP->X_add_number = reg_number;
/* Make the rest nice. */
}
}
-static void skip_white_space PARAMS ((void));
-
static void
-skip_white_space ()
+skip_white_space (void)
{
while (*input_line_pointer == ' '
|| *input_line_pointer == '\t')
}
/* Summary of parse_register_list ().
- *
- * in: INPUT_LINE_POINTER points to 1st char of a list of registers.
- * INSN is the partially constructed instruction.
- * OPERAND is the operand being inserted.
- *
- * out: NULL if the parse completed successfully, otherwise a
- * pointer to an error message is returned. If the parse
- * completes the correct bit fields in the instruction
- * will be filled in.
- *
- * Parses register lists with the syntax:
- *
- * { rX }
- * { rX, rY }
- * { rX - rY }
- * { rX - rY, rZ }
- * etc
- *
- * and also parses constant epxressions whoes bits indicate the
- * registers in the lists. The LSB in the expression refers to
- * the lowest numbered permissable register in the register list,
- * and so on upwards. System registers are considered to be very
- * high numbers. */
-
-static char *parse_register_list
- PARAMS ((unsigned long *, const struct v850_operand *));
+
+ in: INPUT_LINE_POINTER points to 1st char of a list of registers.
+ INSN is the partially constructed instruction.
+ OPERAND is the operand being inserted.
+
+ out: NULL if the parse completed successfully, otherwise a
+ pointer to an error message is returned. If the parse
+ completes the correct bit fields in the instruction
+ will be filled in.
+
+ Parses register lists with the syntax:
+
+ { rX }
+ { rX, rY }
+ { rX - rY }
+ { rX - rY, rZ }
+ etc
+
+ and also parses constant expressions whoes bits indicate the
+ registers in the lists. The LSB in the expression refers to
+ the lowest numbered permissible register in the register list,
+ and so on upwards. System registers are considered to be very
+ high numbers. */
static char *
-parse_register_list (insn, operand)
- unsigned long *insn;
- const struct v850_operand *operand;
+parse_register_list (unsigned long *insn,
+ const struct v850_operand *operand)
{
- static int type1_regs[32] = {
+ static int type1_regs[32] =
+ {
30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24
};
- static int type2_regs[32] = {
+ static int type2_regs[32] =
+ {
19, 18, 17, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 30, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24
};
- static int type3_regs[32] = {
+ static int type3_regs[32] =
+ {
3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 14, 15, 13, 12, 7, 6, 5, 4, 11, 10, 9, 8
};
/* If the expression starts with a curly brace it is a register list.
Otherwise it is a constant expression, whoes bits indicate which
registers are to be included in the list. */
-
if (*input_line_pointer != '{')
{
int reg;
}
if (i == 32)
- {
- return _("illegal register included in list");
- }
+ return _("illegal register included in list");
}
else if (system_register_name (&exp, TRUE, TRUE))
{
}
}
else
- {
- break;
- }
+ break;
skip_white_space ();
}
const char *md_shortopts = "m:";
-struct option md_longopts[] = {
+struct option md_longopts[] =
+{
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof (md_longopts);
void
-md_show_usage (stream)
- FILE *stream;
+md_show_usage (FILE *stream)
{
fprintf (stream, _(" V850 options:\n"));
fprintf (stream, _(" -mwarn-signed-overflow Warn if signed immediate values overflow\n"));
fprintf (stream, _(" -mwarn-unsigned-overflow Warn if unsigned immediate values overflow\n"));
fprintf (stream, _(" -mv850 The code is targeted at the v850\n"));
fprintf (stream, _(" -mv850e The code is targeted at the v850e\n"));
+ fprintf (stream, _(" -mv850e1 The code is targeted at the v850e1\n"));
fprintf (stream, _(" -mv850any The code is generic, despite any processor specific instructions\n"));
fprintf (stream, _(" -mrelax Enable relaxation\n"));
-
}
int
-md_parse_option (c, arg)
- int c;
- char *arg;
+md_parse_option (int c, char *arg)
{
if (c != 'm')
- {
- if (c != 'a')
- /* xgettext:c-format */
- fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg);
- return 0;
- }
+ return 0;
if (strcmp (arg, "warn-signed-overflow") == 0)
- {
- warn_signed_overflows = TRUE;
- }
+ warn_signed_overflows = TRUE;
+
else if (strcmp (arg, "warn-unsigned-overflow") == 0)
- {
- warn_unsigned_overflows = TRUE;
- }
+ warn_unsigned_overflows = TRUE;
+
else if (strcmp (arg, "v850") == 0)
{
machine = 0;
machine = bfd_mach_v850e;
processor_mask = PROCESSOR_V850E;
}
+ else if (strcmp (arg, "v850e1") == 0)
+ {
+ machine = bfd_mach_v850e1;
+ processor_mask = PROCESSOR_V850E1;
+ }
else if (strcmp (arg, "v850any") == 0)
{
/* Tell the world that this is for any v850 chip. */
/* But support instructions for the extended versions. */
processor_mask = PROCESSOR_V850E;
+ processor_mask |= PROCESSOR_V850E1;
}
else if (strcmp (arg, "relax") == 0)
v850_relax = 1;
else
- {
- /* xgettext:c-format */
- fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg);
- return 0;
- }
+ return 0;
return 1;
}
symbolS *
-md_undefined_symbol (name)
- char *name ATTRIBUTE_UNUSED;
+md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
return 0;
}
char *
-md_atof (type, litp, sizep)
- int type;
- char *litp;
- int *sizep;
+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;
-
- for (i = prec - 1; i >= 0; i--)
- {
- md_number_to_chars (litp, (valueT) words[i], 2);
- litp += 2;
- }
-
- return NULL;
+ return ieee_md_atof (type, litp, sizep, FALSE);
}
/* Very gross. */
void
-md_convert_frag (abfd, sec, fragP)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
- fragS *fragP;
+md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec,
+ fragS *fragP)
{
+ /* This code performs some nasty type punning between the
+ fr_opcode field of the frag structure (a char *) and the
+ fx_r_type field of the fix structure (a bfd_reloc_code_real_type)
+ On a 64bit host this causes problems because these two fields
+ are not the same size, but since we know that we are only
+ ever storing small integers in the fields, it is safe to use
+ a union to convert between them. */
+ union u
+ {
+ bfd_reloc_code_real_type fx_r_type;
+ char * fr_opcode;
+ }
+ opcode_converter;
subseg_change (sec, 0);
+ opcode_converter.fr_opcode = fragP->fr_opcode;
+
/* In range conditional or unconditional branch. */
if (fragP->fr_subtype == 0 || fragP->fr_subtype == 2)
{
fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
- fragP->fr_offset, 1, BFD_RELOC_UNUSED + (int)fragP->fr_opcode);
+ fragP->fr_offset, 1,
+ BFD_RELOC_UNUSED + opcode_converter.fx_r_type);
fragP->fr_fix += 2;
}
/* Out of range conditional branch. Emit a branch around a jump. */
/* Now create the unconditional branch + fixup to the final
target. */
- md_number_to_chars (buffer + 2, 0x00000780, 4);
+ md_number_to_chars ((char *) buffer + 2, 0x00000780, 4);
fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol,
- fragP->fr_offset, 1, BFD_RELOC_UNUSED +
- (int) fragP->fr_opcode + 1);
+ fragP->fr_offset, 1,
+ BFD_RELOC_UNUSED + opcode_converter.fx_r_type + 1);
fragP->fr_fix += 6;
}
/* Out of range unconditional branch. Emit a jump. */
{
md_number_to_chars (fragP->fr_fix + fragP->fr_literal, 0x00000780, 4);
fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
- fragP->fr_offset, 1, BFD_RELOC_UNUSED +
- (int) fragP->fr_opcode + 1);
+ fragP->fr_offset, 1,
+ BFD_RELOC_UNUSED + opcode_converter.fx_r_type + 1);
fragP->fr_fix += 4;
}
else
}
valueT
-md_section_align (seg, addr)
- asection *seg;
- valueT addr;
+md_section_align (asection *seg, valueT addr)
{
int align = bfd_get_section_alignment (stdoutput, seg);
return ((addr + (1 << align) - 1) & (-1 << align));
}
void
-md_begin ()
+md_begin (void)
{
char *prev_name = "";
const struct v850_opcode *op;
- if (strncmp (TARGET_CPU, "v850e", 5) == 0)
+ if (strncmp (TARGET_CPU, "v850e1", 6) == 0)
+ {
+ if (machine == -1)
+ machine = bfd_mach_v850e1;
+
+ if (processor_mask == -1)
+ processor_mask = PROCESSOR_V850E1;
+ }
+ else if (strncmp (TARGET_CPU, "v850e", 5) == 0)
{
if (machine == -1)
machine = bfd_mach_v850e;
else
/* xgettext:c-format */
as_bad (_("Unable to determine default target processor from string: %s"),
- TARGET_CPU);
+ TARGET_CPU);
v850_hash = hash_new ();
has many identical opcode names that have different opcodes based
on the operands. This hash table then provides a quick index to
the first opcode with a particular name in the opcode table. */
-
op = v850_opcodes;
while (op->name)
{
bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
}
-static bfd_reloc_code_real_type handle_ctoff
- PARAMS ((const struct v850_operand *));
+static bfd_reloc_code_real_type
+handle_lo16 (const struct v850_operand *operand)
+{
+ if (operand != NULL)
+ {
+ if (operand->bits == -1)
+ return BFD_RELOC_V850_LO16_SPLIT_OFFSET;
+
+ if (!(operand->bits == 16 && operand->shift == 16)
+ && !(operand->bits == 15 && operand->shift == 17))
+ {
+ as_bad (_("lo() relocation used on an instruction which does "
+ "not support it"));
+ return BFD_RELOC_64; /* Used to indicate an error condition. */
+ }
+ }
+ return BFD_RELOC_LO16;
+}
static bfd_reloc_code_real_type
-handle_ctoff (operand)
- const struct v850_operand *operand;
+handle_ctoff (const struct v850_operand *operand)
{
if (operand == NULL)
return BFD_RELOC_V850_CALLT_16_16_OFFSET;
return BFD_RELOC_V850_CALLT_6_7_OFFSET;
}
-static bfd_reloc_code_real_type handle_sdaoff
- PARAMS ((const struct v850_operand *));
-
static bfd_reloc_code_real_type
-handle_sdaoff (operand)
- const struct v850_operand *operand;
+handle_sdaoff (const struct v850_operand *operand)
{
if (operand == NULL)
return BFD_RELOC_V850_SDA_16_16_OFFSET;
return BFD_RELOC_V850_SDA_16_16_OFFSET;
}
-static bfd_reloc_code_real_type handle_zdaoff
- PARAMS ((const struct v850_operand *));
-
static bfd_reloc_code_real_type
-handle_zdaoff (operand)
- const struct v850_operand *operand;
+handle_zdaoff (const struct v850_operand *operand)
{
if (operand == NULL)
return BFD_RELOC_V850_ZDA_16_16_OFFSET;
return BFD_RELOC_V850_ZDA_16_16_OFFSET;
}
-static bfd_reloc_code_real_type handle_tdaoff
- PARAMS ((const struct v850_operand *));
-
static bfd_reloc_code_real_type
-handle_tdaoff (operand)
- const struct v850_operand *operand;
+handle_tdaoff (const struct v850_operand *operand)
{
if (operand == NULL)
/* Data item, not an instruction. */
return BFD_RELOC_V850_TDA_7_7_OFFSET;
if (operand->bits == 6 && operand->shift == 1)
- /* sld.w/sst.w, operand: D8_6 */
+ /* sld.w/sst.w, operand: D8_6. */
return BFD_RELOC_V850_TDA_6_8_OFFSET;
if (operand->bits == 4 && operand->insert != NULL)
- /* sld.hu, operand: D5-4 */
+ /* sld.hu, operand: D5-4. */
return BFD_RELOC_V850_TDA_4_5_OFFSET;
if (operand->bits == 4 && operand->insert == NULL)
- /* sld.bu, operand: D4 */
+ /* sld.bu, operand: D4. */
return BFD_RELOC_V850_TDA_4_4_OFFSET;
if (operand->bits == 16 && operand->shift == 16)
- /* set1 & chums, operands: D16 */
+ /* set1 & chums, operands: D16. */
return BFD_RELOC_V850_TDA_16_16_OFFSET;
if (operand->bits != 7)
}
return operand->insert != NULL
- ? BFD_RELOC_V850_TDA_7_8_OFFSET /* sld.h/sst.h, operand: D8_7 */
- : BFD_RELOC_V850_TDA_7_7_OFFSET; /* sld.b/sst.b, opreand: D7 */
+ ? BFD_RELOC_V850_TDA_7_8_OFFSET /* sld.h/sst.h, operand: D8_7. */
+ : BFD_RELOC_V850_TDA_7_7_OFFSET; /* sld.b/sst.b, operand: D7. */
}
/* Warning: The code in this function relies upon the definitions
in the v850_operands[] array (defined in opcodes/v850-opc.c)
matching the hard coded values contained herein. */
-static bfd_reloc_code_real_type v850_reloc_prefix
- PARAMS ((const struct v850_operand *));
-
static bfd_reloc_code_real_type
-v850_reloc_prefix (operand)
- const struct v850_operand *operand;
+v850_reloc_prefix (const struct v850_operand *operand)
{
bfd_boolean paren_skipped = FALSE;
return reloc; \
}
- CHECK_ ("hi0", BFD_RELOC_HI16 );
- CHECK_ ("hi", BFD_RELOC_HI16_S );
- CHECK_ ("lo", BFD_RELOC_LO16 );
+ CHECK_ ("hi0", BFD_RELOC_HI16 );
+ CHECK_ ("hi", BFD_RELOC_HI16_S );
+ CHECK_ ("lo", handle_lo16 (operand) );
CHECK_ ("sdaoff", handle_sdaoff (operand));
CHECK_ ("zdaoff", handle_zdaoff (operand));
CHECK_ ("tdaoff", handle_tdaoff (operand));
- CHECK_ ("hilo", BFD_RELOC_32 );
+ CHECK_ ("hilo", BFD_RELOC_32 );
CHECK_ ("ctoff", handle_ctoff (operand) );
/* Restore skipped parenthesis. */
/* Insert an operand value into an instruction. */
-static unsigned long v850_insert_operand
- PARAMS ((unsigned long, const struct v850_operand *, offsetT, char *,
- unsigned int, char *));
-
static unsigned long
-v850_insert_operand (insn, operand, val, file, line, str)
- unsigned long insn;
- const struct v850_operand *operand;
- offsetT val;
- char *file;
- unsigned int line;
- char *str;
+v850_insert_operand (unsigned long insn,
+ const struct v850_operand *operand,
+ offsetT val,
+ char *file,
+ unsigned int line,
+ char *str)
{
if (operand->insert)
{
else
{
if (file == (char *) NULL)
- as_warn (message);
+ as_warn ("%s", message);
else
- as_warn_where (file, line, message);
+ as_warn_where (file, line, "%s", message);
}
}
}
min = 0;
}
- if (val < (offsetT) min || val > (offsetT) max)
+ /* Some people write constants with the sign extension done by
+ hand but only up to 32 bits. This shouldn't really be valid,
+ but, to permit this code to assemble on a 64-bit host, we
+ sign extend the 32-bit value to 64 bits if so doing makes the
+ value valid. */
+ if (val > max
+ && (offsetT) (val - 0x80000000 - 0x80000000) >= min
+ && (offsetT) (val - 0x80000000 - 0x80000000) <= max)
+ val = val - 0x80000000 - 0x80000000;
+
+ /* Similarly, people write expressions like ~(1<<15), and expect
+ this to be OK for a 32-bit unsigned value. */
+ else if (val < min
+ && (offsetT) (val + 0x80000000 + 0x80000000) >= min
+ && (offsetT) (val + 0x80000000 + 0x80000000) <= max)
+ val = val + 0x80000000 + 0x80000000;
+
+ else if (val < (offsetT) min || val > (offsetT) max)
{
- /* xgettext:c-format */
- const char *err =
- _("operand out of range (%s not between %ld and %ld)");
- char buf[100];
+ char buf [128];
/* Restore min and mix to expected values for decimal ranges. */
if ((operand->flags & V850_OPERAND_SIGNED)
min = 0;
if (str)
- {
- sprintf (buf, "%s: ", str);
-
- sprint_value (buf + strlen (buf), val);
- }
+ sprintf (buf, "%s: ", str);
else
- sprint_value (buf, val);
+ buf[0] = 0;
+ strcat (buf, _("operand"));
- if (file == (char *) NULL)
- as_warn (err, buf, min, max);
- else
- as_warn_where (file, line, err, buf, min, max);
+ as_bad_value_out_of_range (buf, val, (offsetT) min, (offsetT) max, file, line);
}
}
static char copy_of_instruction[128];
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
char *s;
char *start_of_operands;
bfd_reloc_code_real_type reloc;
if (next_opindex == 0)
- {
- operand = &v850_operands[*opindex_ptr];
- }
+ operand = &v850_operands[*opindex_ptr];
else
{
operand = &v850_operands[next_opindex];
/* Fall through. */
case BFD_RELOC_LO16:
+ case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
{
/* Truncate, then sign extend the value. */
ex.X_add_number = SEXT16 (ex.X_add_number);
}
extra_data_after_insn = TRUE;
- extra_data_len = 4;
- extra_data = 0;
+ extra_data_len = 4;
+ extra_data = 0;
break;
default:
}
extra_data_after_insn = TRUE;
- extra_data_len = 4;
- extra_data = ex.X_add_number;
+ extra_data_len = 4;
+ extra_data = ex.X_add_number;
}
if (fc > MAX_INSN_FIXUPS)
if ((operand->flags & V850_OPERAND_REG) != 0)
{
if (!register_name (&ex))
- {
- errmsg = _("invalid register name");
- }
+ errmsg = _("invalid register name");
else if ((operand->flags & V850_NOT_R0)
&& ex.X_add_number == 0)
{
else if ((operand->flags & V850_OPERAND_SRG) != 0)
{
if (!system_register_name (&ex, TRUE, FALSE))
- {
- errmsg = _("invalid system register name");
- }
+ errmsg = _("invalid system register name");
}
else if ((operand->flags & V850_OPERAND_EP) != 0)
{
else if ((operand->flags & V850_OPERAND_CC) != 0)
{
if (!cc_name (&ex))
- {
- errmsg = _("invalid condition code name");
- }
+ errmsg = _("invalid condition code name");
}
else if (operand->flags & V850E_PUSH_POP)
{
/* The parse_register_list() function has already done
everything, so fake a dummy expression. */
- ex.X_op = O_constant;
+ ex.X_op = O_constant;
ex.X_add_number = 0;
}
else if (operand->flags & V850E_IMMEDIATE16)
}
extra_data_after_insn = TRUE;
- extra_data_len = 2;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+ extra_data_len = 2;
+ extra_data = ex.X_add_number;
+ ex.X_add_number = 0;
}
else if (operand->flags & V850E_IMMEDIATE32)
{
errmsg = _("constant expression expected");
extra_data_after_insn = TRUE;
- extra_data_len = 4;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+ extra_data_len = 4;
+ extra_data = ex.X_add_number;
+ ex.X_add_number = 0;
}
else if (register_name (&ex)
&& (operand->flags & V850_OPERAND_REG) == 0)
if (ex.X_op != O_constant)
{
- /* If this register is actually occuring too early on
+ /* If this register is actually occurring too early on
the parsing of the instruction, (because another
field is missing) then report this. */
if (opindex_ptr[1] != 0
}
else if (system_register_name (&ex, FALSE, FALSE)
&& (operand->flags & V850_OPERAND_SRG) == 0)
- {
- errmsg = _("syntax error: system register not expected");
- }
+ errmsg = _("syntax error: system register not expected");
+
else if (cc_name (&ex)
&& (operand->flags & V850_OPERAND_CC) == 0)
- {
- errmsg = _("syntax error: condition code not expected");
- }
+ errmsg = _("syntax error: condition code not expected");
+
else
{
expression (&ex);
if (errmsg)
goto error;
-#if 0
- fprintf (stderr,
- " insn: %x, operand %d, op: %d, add_number: %d\n",
- insn, opindex_ptr - opcode->operands,
- ex.X_op, ex.X_add_number);
-#endif
-
switch (ex.X_op)
{
case O_illegal:
goto error;
}
insn = v850_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0,
- copy_of_instruction);
+ NULL, 0, copy_of_instruction);
break;
case O_constant:
insn = v850_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0,
- copy_of_instruction);
+ NULL, 0, copy_of_instruction);
break;
default:
if (relaxable && fc > 0)
{
+ /* On a 64-bit host the size of an 'int' is not the same
+ as the size of a pointer, so we need a union to convert
+ the opindex field of the fr_cgen structure into a char *
+ so that it can be stored in the frag. We do not have
+ to worry about loosing accuracy as we are not going to
+ be even close to the 32bit limit of the int. */
+ union
+ {
+ int opindex;
+ char * ptr;
+ }
+ opindex_converter;
+
+ opindex_converter.opindex = fixups[0].opindex;
insn_size = 2;
fc = 0;
f = frag_var (rs_machine_dependent, 4, 2, 2,
fixups[0].exp.X_add_symbol,
fixups[0].exp.X_add_number,
- (char *) fixups[0].opindex);
+ opindex_converter.ptr);
md_number_to_chars (f, insn, insn_size);
md_number_to_chars (f + 2, 0, 2);
}
f = frag_var (rs_machine_dependent, 6, 4, 0,
fixups[0].exp.X_add_symbol,
fixups[0].exp.X_add_number,
- (char *) fixups[0].opindex);
+ opindex_converter.ptr);
md_number_to_chars (f, insn, insn_size);
md_number_to_chars (f + 2, 0, 4);
}
BFD_RELOC_UNUSED plus the operand index. This lets us easily
handle fixups for any operand type, although that is admittedly
not a very exciting feature. We pick a BFD reloc type in
- md_apply_fix3. */
+ md_apply_fix. */
for (i = 0; i < fc; i++)
{
const struct v850_operand *operand;
reloc_howto->pc_relative,
reloc);
+ fixP->tc_fix_data = (void *) operand;
+
switch (reloc)
{
case BFD_RELOC_LO16:
+ case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
case BFD_RELOC_HI16:
case BFD_RELOC_HI16_S:
fixP->fx_no_overflow = 1;
fix_new_exp (frag_now,
f - frag_now->fr_literal, 4,
& fixups[i].exp,
- 1 /* FIXME: V850_OPERAND_RELATIVE ??? */,
+ (operand->flags & V850_OPERAND_DISP) != 0,
(bfd_reloc_code_real_type) (fixups[i].opindex
+ (int) BFD_RELOC_UNUSED));
}
then it is done here. */
arelent *
-tc_gen_reloc (seg, fixp)
- asection *seg ATTRIBUTE_UNUSED;
- fixS *fixp;
+tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
{
arelent *reloc;
- reloc = (arelent *) xmalloc (sizeof (arelent));
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc = xmalloc (sizeof (arelent));
+ reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
- if (reloc->howto == (reloc_howto_type *) NULL)
+ if ( fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
+ || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixp->fx_r_type == BFD_RELOC_V850_LONGCALL
+ || fixp->fx_r_type == BFD_RELOC_V850_LONGJUMP
+ || fixp->fx_r_type == BFD_RELOC_V850_ALIGN)
+ reloc->addend = fixp->fx_offset;
+ else
+ {
+ if (fixp->fx_r_type == BFD_RELOC_32
+ && fixp->fx_pcrel)
+ fixp->fx_r_type = BFD_RELOC_32_PCREL;
+
+ reloc->addend = fixp->fx_addnumber;
+ }
+
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
+
+ if (reloc->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
/* xgettext:c-format */
return NULL;
}
- if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
- || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT)
- reloc->addend = fixp->fx_offset;
- else if ( fixp->fx_r_type == BFD_RELOC_V850_LONGCALL
- || fixp->fx_r_type == BFD_RELOC_V850_LONGJUMP
- || fixp->fx_r_type == BFD_RELOC_V850_ALIGN)
- reloc->addend = fixp->fx_offset;
- else
- reloc->addend = fixp->fx_addnumber;
-
return reloc;
}
void
-v850_handle_align (frag)
- fragS * frag;
+v850_handle_align (fragS * frag)
{
if (v850_relax
&& frag->fr_type == rs_align
&& now_seg != v850_seg_table[TBSS_SECTION].s
&& now_seg != v850_seg_table[ZBSS_SECTION].s)
fix_new (frag, frag->fr_fix, 2, & abs_symbol, frag->fr_offset, 0,
- BFD_RELOC_V850_ALIGN);
+ BFD_RELOC_V850_ALIGN);
}
/* Return current size of variable part of frag. */
int
-md_estimate_size_before_relax (fragp, seg)
- fragS *fragp;
- asection *seg ATTRIBUTE_UNUSED;
+md_estimate_size_before_relax (fragS *fragp, asection *seg ATTRIBUTE_UNUSED)
{
if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
abort ();
}
long
-v850_pcrel_from_section (fixp, section)
- fixS *fixp;
- segT section;
+v850_pcrel_from_section (fixS *fixp, segT section)
{
/* If the symbol is undefined, or in a section other than our own,
or it is weak (in which case it may well be in another section,
}
void
-md_apply_fix3 (fixP, valueP, seg)
- fixS *fixP;
- valueT *valueP;
- segT seg ATTRIBUTE_UNUSED;
+md_apply_fix (fixS *fixP, valueT *valueP, segT seg ATTRIBUTE_UNUSED)
{
valueT value = * valueP;
char *where;
if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section)
value -= S_GET_VALUE (fixP->fx_subsy);
else
- {
- /* We don't actually support subtracting a symbol. */
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("expression too complex"));
- }
+ /* We don't actually support subtracting a symbol. */
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("expression too complex"));
}
fixP->fx_addnumber = value;
}
operand = &v850_operands[opindex];
/* Fetch the instruction, insert the fully resolved operand
- value, and stuff the instruction back again.
+ value, and stuff the instruction back again.
Note the instruction has been stored in little endian
format! */
fixP->fx_r_type = BFD_RELOC_V850_9_PCREL;
else
{
-#if 0
- fprintf (stderr, "bits: %d, insn: %x\n", operand->bits, insn);
-#endif
-
as_bad_where (fixP->fx_file, fixP->fx_line,
_("unresolved expression that must be resolved"));
fixP->fx_done = 1;
/* We still have to insert the value into memory! */
where = fixP->fx_frag->fr_literal + fixP->fx_where;
- if (fixP->fx_size == 1)
- *where = value & 0xff;
- else if (fixP->fx_size == 2)
- bfd_putl16 (value & 0xffff, (unsigned char *) where);
- else if (fixP->fx_size == 4)
- bfd_putl32 (value, (unsigned char *) where);
+ if (fixP->tc_fix_data != NULL
+ && ((struct v850_operand *) fixP->tc_fix_data)->insert != NULL)
+ {
+ const char * message = NULL;
+ struct v850_operand * operand = (struct v850_operand *) fixP->tc_fix_data;
+ unsigned long insn;
+
+ /* The variable "where" currently points at the exact point inside
+ the insn where we need to insert the value. But we need to
+ extract the entire insn so we probably need to move "where"
+ back a few bytes. */
+ if (fixP->fx_size == 2)
+ where -= 2;
+ else if (fixP->fx_size == 1)
+ where -= 3;
+
+ insn = bfd_getl32 ((unsigned char *) where);
+
+ /* Use the operand's insertion procedure, if present, in order to
+ make sure that the value is correctly stored in the insn. */
+ insn = operand->insert (insn, (offsetT) value, & message);
+ /* Ignore message even if it is set. */
+
+ bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
+ }
+ else
+ {
+ if (fixP->fx_r_type == BFD_RELOC_V850_LO16_SPLIT_OFFSET)
+ bfd_putl32 (((value << 16) & 0xfffe0000)
+ | ((value << 5) & 0x20)
+ | (bfd_getl32 (where) & ~0xfffe0020), where);
+ else if (fixP->fx_size == 1)
+ *where = value & 0xff;
+ else if (fixP->fx_size == 2)
+ bfd_putl16 (value & 0xffff, (unsigned char *) where);
+ else if (fixP->fx_size == 4)
+ bfd_putl32 (value, (unsigned char *) where);
+ }
}
}
\f
on the v850. */
void
-parse_cons_expression_v850 (exp)
- expressionS *exp;
+parse_cons_expression_v850 (expressionS *exp)
{
/* See if there's a reloc prefix like hi() we have to handle. */
hold_cons_reloc = v850_reloc_prefix (NULL);
appropriate one based on the size of the expression. */
void
-cons_fix_new_v850 (frag, where, size, exp)
- fragS *frag;
- int where;
- int size;
- expressionS *exp;
+cons_fix_new_v850 (fragS *frag,
+ int where,
+ int size,
+ expressionS *exp)
{
if (hold_cons_reloc == BFD_RELOC_UNUSED)
{
}
bfd_boolean
-v850_fix_adjustable (fixP)
- fixS *fixP;
+v850_fix_adjustable (fixS *fixP)
{
if (fixP->fx_addsy == NULL)
return 1;
}
int
-v850_force_relocation (fixP)
- struct fix *fixP;
+v850_force_relocation (struct fix *fixP)
{
- if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
- || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
- return 1;
-
if (fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
|| fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP)
return 1;
|| fixP->fx_r_type >= BFD_RELOC_UNUSED))
return 1;
- return S_FORCE_RELOC (fixP->fx_addsy);
+ return generic_force_reloc (fixP);
}
projects / external / binutils.git / blobdiff