/* tc-v850.c -- Assembler code for the NEC V850
- Copyright (C) 1996, 1997 Free Software Foundation.
+ 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 <ctype.h>
#include "as.h"
-#include "subsegs.h"
+#include "safe-ctype.h"
+#include "subsegs.h"
#include "opcode/v850.h"
+#include "dwarf2dbg.h"
-/* sign-extend a 16-bit number */
-#define SEXT16(x) ((((x) & 0xffff) ^ (~ 0x7fff)) + 0x8000)
+/* Sign-extend a 16-bit number. */
+#define SEXT16(x) ((((x) & 0xffff) ^ (~0x7fff)) + 0x8000)
/* Temporarily holds the reloc in a cons expression. */
-static bfd_reloc_code_real_type hold_cons_reloc;
+static bfd_reloc_code_real_type hold_cons_reloc = BFD_RELOC_UNUSED;
/* Set to TRUE if we want to be pedantic about signed overflows. */
-static boolean warn_signed_overflows = FALSE;
-static boolean warn_unsigned_overflows = FALSE;
+static bfd_boolean warn_signed_overflows = FALSE;
+static bfd_boolean warn_unsigned_overflows = FALSE;
-/* Indicates the target processor type. */
-static int machine = TARGET_MACHINE;
+/* Indicates the target BFD machine number. */
+static int machine = -1;
+/* Indicates the target processor(s) for the assemble. */
+static int processor_mask = -1;
\f
/* Structure to hold information about predefined registers. */
struct reg_name
{
- const char * name;
- int value;
+ const char *name;
+ int value;
};
-/* Generic assembler global variables which must be defined by all targets. */
+/* Generic assembler global variables which must be defined by all
+ targets. */
-/* Characters which always start a comment. */
+/* Characters which always start a comment. */
const char comment_chars[] = "#";
/* Characters which start a comment at the beginning of a line. */
const char line_comment_chars[] = ";#";
-/* Characters which may be used to separate multiple commands on a
+/* Characters which may be used to separate multiple commands on a
single line. */
const char line_separator_chars[] = ";";
-/* Characters which are used to indicate an exponent in a floating
+/* Characters which are used to indicate an exponent in a floating
point number. */
const char EXP_CHARS[] = "eE";
-/* Characters which mean that a number is a floating point constant,
+/* Characters which mean that a number is a floating point constant,
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
\f
-
-const relax_typeS md_relax_table[] = {
- {0xff, -0x100, 2, 1},
+const relax_typeS md_relax_table[] =
+{
+ /* Conditional branches. */
+ {0xff, -0x100, 2, 1},
{0x1fffff, -0x200000, 6, 0},
+ /* Unconditional branches. */
+ {0xff, -0x100, 2, 3},
+ {0x1fffff, -0x200000, 4, 0},
};
+static int v850_relax = 0;
-static segT sdata_section = NULL;
-static segT tdata_section = NULL;
-static segT zdata_section = NULL;
-static segT sbss_section = NULL;
-static segT tbss_section = NULL;
-static segT zbss_section = NULL;
-static segT rosdata_section = NULL;
-static segT rozdata_section = NULL;
-
+/* Fixups. */
+#define MAX_INSN_FIXUPS 5
-/* local functions */
-static unsigned long v850_insert_operand
- PARAMS ((unsigned long insn, const struct v850_operand *operand,
- offsetT val, char *file, unsigned int line));
-
-
-/* fixups */
-#define MAX_INSN_FIXUPS (5)
struct v850_fixup
{
- expressionS exp;
- int opindex;
+ expressionS exp;
+ int opindex;
bfd_reloc_code_real_type reloc;
};
+
struct v850_fixup fixups[MAX_INSN_FIXUPS];
static int fc;
-\f
-void
-v850_sdata (int ignore)
-{
- subseg_set (sdata_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
-}
-void
-v850_tdata (int ignore)
+struct v850_seg_entry
{
- subseg_set (tdata_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
-}
+ segT s;
+ const char *name;
+ flagword flags;
+};
-void
-v850_zdata (int ignore)
+struct v850_seg_entry v850_seg_table[] =
{
- subseg_set (zdata_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
-}
+ { NULL, ".sdata",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
+ | SEC_SMALL_DATA },
+ { NULL, ".tdata",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
+ { NULL, ".zdata",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
+ { NULL, ".sbss",
+ SEC_ALLOC | SEC_SMALL_DATA },
+ { NULL, ".tbss",
+ SEC_ALLOC },
+ { NULL, ".zbss",
+ SEC_ALLOC},
+ { NULL, ".rosdata",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA
+ | SEC_HAS_CONTENTS | SEC_SMALL_DATA },
+ { NULL, ".rozdata",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA
+ | SEC_HAS_CONTENTS },
+ { NULL, ".scommon",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
+ | SEC_SMALL_DATA | SEC_IS_COMMON },
+ { NULL, ".tcommon",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
+ | SEC_IS_COMMON },
+ { NULL, ".zcommon",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
+ | SEC_IS_COMMON },
+ { NULL, ".call_table_data",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
+ { NULL, ".call_table_text",
+ SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE
+ | SEC_HAS_CONTENTS},
+ { NULL, ".bss",
+ SEC_ALLOC }
+};
-void
-v850_sbss (int ignore)
-{
- subseg_set (sbss_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
-}
+#define SDATA_SECTION 0
+#define TDATA_SECTION 1
+#define ZDATA_SECTION 2
+#define SBSS_SECTION 3
+#define TBSS_SECTION 4
+#define ZBSS_SECTION 5
+#define ROSDATA_SECTION 6
+#define ROZDATA_SECTION 7
+#define SCOMMON_SECTION 8
+#define TCOMMON_SECTION 9
+#define ZCOMMON_SECTION 10
+#define CALL_TABLE_DATA_SECTION 11
+#define CALL_TABLE_TEXT_SECTION 12
+#define BSS_SECTION 13
-void
-v850_tbss (int ignore)
+static void
+do_v850_seg (int i, subsegT sub)
{
- subseg_set (tbss_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
-}
+ struct v850_seg_entry *seg = v850_seg_table + i;
-void
-v850_zbss (int ignore)
-{
- subseg_set (zbss_section, (subsegT) get_absolute_expression ());
-
- demand_empty_rest_of_line ();
+ obj_elf_section_change_hook ();
+
+ if (seg->s != NULL)
+ subseg_set (seg->s, sub);
+ else
+ {
+ seg->s = subseg_new (seg->name, sub);
+ bfd_set_section_flags (stdoutput, seg->s, seg->flags);
+ if ((seg->flags & SEC_LOAD) == 0)
+ seg_info (seg->s)->bss = 1;
+ }
}
-void
-v850_rosdata (int ignore)
+static void
+v850_seg (int i)
{
- subseg_set (rosdata_section, (subsegT) get_absolute_expression ());
-
+ subsegT sub = get_absolute_expression ();
+
+ do_v850_seg (i, sub);
demand_empty_rest_of_line ();
}
-void
-v850_rozdata (int ignore)
+static void
+v850_offset (int ignore ATTRIBUTE_UNUSED)
{
- subseg_set (rozdata_section, (subsegT) get_absolute_expression ());
-
+ char *pfrag;
+ int temp = get_absolute_expression ();
+
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, (symbolS *)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_section (int arg)
+v850_comm (int area)
{
- char saved_c;
- char * ptr;
-
- for (ptr = input_line_pointer; * ptr != '\n' && * ptr != 0; ptr ++)
- if (* ptr == ',' && ptr[1] == '.')
- break;
+ char *name;
+ char c;
+ char *p;
+ int temp;
+ unsigned int size;
+ symbolS *symbolP;
+ int have_align;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
- saved_c = * ptr;
- * ptr = ';';
-
- obj_elf_section (arg);
+ /* Just after name is now '\0'. */
+ p = input_line_pointer;
+ *p = c;
- * ptr = saved_c;
-}
+ SKIP_WHITESPACE ();
-void
-v850_bss (int ignore)
-{
- register int temp = get_absolute_expression ();
+ if (*input_line_pointer != ',')
+ {
+ as_bad (_("Expected comma after symbol-name"));
+ ignore_rest_of_line ();
+ return;
+ }
- obj_elf_section_change_hook();
-
- subseg_set (bss_section, (subsegT) temp);
-
- demand_empty_rest_of_line ();
-}
+ /* Skip ','. */
+ input_line_pointer++;
+
+ if ((temp = get_absolute_expression ()) < 0)
+ {
+ /* xgettext:c-format */
+ as_bad (_(".COMMon length (%d.) < 0! Ignored."), temp);
+ ignore_rest_of_line ();
+ return;
+ }
+
+ size = temp;
+ *p = 0;
+ symbolP = symbol_find_or_make (name);
+ *p = c;
+
+ if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
+ {
+ as_bad (_("Ignoring attempt to re-define symbol"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ 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);
+ }
+
+ know (symbol_get_frag (symbolP) == &zero_address_frag);
+
+ if (*input_line_pointer != ',')
+ have_align = 0;
+ else
+ {
+ have_align = 1;
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ }
+
+ if (! have_align || *input_line_pointer != '"')
+ {
+ if (! have_align)
+ temp = 0;
+ else
+ {
+ temp = get_absolute_expression ();
+
+ if (temp < 0)
+ {
+ temp = 0;
+ as_warn (_("Common alignment negative; 0 assumed"));
+ }
+ }
+
+ if (symbol_get_obj (symbolP)->local)
+ {
+ segT old_sec;
+ int old_subsec;
+ char *pfrag;
+ int align;
+ flagword applicable;
+
+ old_sec = now_seg;
+ old_subsec = now_subseg;
+
+ applicable = bfd_applicable_section_flags (stdoutput);
+
+ applicable &= SEC_ALLOC;
+
+ switch (area)
+ {
+ case SCOMMON_SECTION:
+ do_v850_seg (SBSS_SECTION, 0);
+ break;
+
+ case ZCOMMON_SECTION:
+ do_v850_seg (ZBSS_SECTION, 0);
+ break;
+
+ case TCOMMON_SECTION:
+ do_v850_seg (TBSS_SECTION, 0);
+ break;
+ }
+
+ if (temp)
+ {
+ /* Convert to a power of 2 alignment. */
+ for (align = 0; (temp & 1) == 0; temp >>= 1, ++align)
+ ;
+
+ if (temp != 1)
+ {
+ as_bad (_("Common alignment not a power of 2"));
+ ignore_rest_of_line ();
+ return;
+ }
+ }
+ else
+ align = 0;
+
+ record_alignment (now_seg, align);
+
+ if (align)
+ frag_align (align, 0, 0);
+
+ switch (area)
+ {
+ case SCOMMON_SECTION:
+ if (S_GET_SEGMENT (symbolP) == v850_seg_table[SBSS_SECTION].s)
+ symbol_get_frag (symbolP)->fr_symbol = 0;
+ break;
+
+ case ZCOMMON_SECTION:
+ if (S_GET_SEGMENT (symbolP) == v850_seg_table[ZBSS_SECTION].s)
+ symbol_get_frag (symbolP)->fr_symbol = 0;
+ break;
+
+ case TCOMMON_SECTION:
+ if (S_GET_SEGMENT (symbolP) == v850_seg_table[TBSS_SECTION].s)
+ symbol_get_frag (symbolP)->fr_symbol = 0;
+ break;
+
+ default:
+ abort ();
+ }
+
+ symbol_set_frag (symbolP, frag_now);
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP,
+ (offsetT) size, (char *) 0);
+ *pfrag = 0;
+ S_SET_SIZE (symbolP, size);
+
+ switch (area)
+ {
+ case SCOMMON_SECTION:
+ S_SET_SEGMENT (symbolP, v850_seg_table[SBSS_SECTION].s);
+ break;
+
+ case ZCOMMON_SECTION:
+ S_SET_SEGMENT (symbolP, v850_seg_table[ZBSS_SECTION].s);
+ break;
+
+ case TCOMMON_SECTION:
+ S_SET_SEGMENT (symbolP, v850_seg_table[TBSS_SECTION].s);
+ break;
+
+ default:
+ abort ();
+ }
+
+ S_CLEAR_EXTERNAL (symbolP);
+ obj_elf_section_change_hook ();
+ subseg_set (old_sec, old_subsec);
+ }
+ else
+ {
+ segT old_sec;
+ int old_subsec;
+
+ allocate_common:
+ old_sec = now_seg;
+ old_subsec = now_subseg;
+
+ S_SET_VALUE (symbolP, (valueT) size);
+ S_SET_ALIGN (symbolP, temp);
+ S_SET_EXTERNAL (symbolP);
+
+ switch (area)
+ {
+ case SCOMMON_SECTION:
+ case ZCOMMON_SECTION:
+ case TCOMMON_SECTION:
+ do_v850_seg (area, 0);
+ S_SET_SEGMENT (symbolP, v850_seg_table[area].s);
+ break;
+
+ default:
+ abort ();
+ }
+
+ obj_elf_section_change_hook ();
+ subseg_set (old_sec, old_subsec);
+ }
+ }
+ else
+ {
+ input_line_pointer++;
+
+ /* @@ Some use the dot, some don't. Can we get some consistency?? */
+ if (*input_line_pointer == '.')
+ input_line_pointer++;
+
+ /* @@ Some say data, some say bss. */
+ if (strncmp (input_line_pointer, "bss\"", 4)
+ && strncmp (input_line_pointer, "data\"", 5))
+ {
+ while (*--input_line_pointer != '"')
+ ;
+ input_line_pointer--;
+ goto bad_common_segment;
+ }
+
+ while (*input_line_pointer++ != '"')
+ ;
+
+ goto allocate_common;
+ }
+
+ symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
-void
-v850_offset (int ignore)
-{
- int temp = get_absolute_expression ();
-
- temp -= frag_now_fix();
-
- if (temp > 0)
- (void) frag_more (temp);
-
demand_empty_rest_of_line ();
+ return;
+
+ {
+ bad_common_segment:
+ p = input_line_pointer;
+ while (*p && *p != '\n')
+ p++;
+ c = *p;
+ *p = '\0';
+ as_bad (_("bad .common segment %s"), input_line_pointer + 1);
+ *p = c;
+ input_line_pointer = p;
+ ignore_rest_of_line ();
+ return;
+ }
}
-void
+static void
set_machine (int number)
{
machine = number;
bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
+
+ switch (machine)
+ {
+ 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 (int type)
+{
+ expressionS ex;
+
+ if (! v850_relax)
+ {
+ if (type == 1)
+ as_warn (_(".longcall pseudo-op seen when not relaxing"));
+ else
+ 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"));
+ ignore_rest_of_line ();
+
+ return;
+ }
+
+ if (type == 1)
+ fix_new_exp (frag_now, frag_now_fix (), 4, & ex, 1,
+ BFD_RELOC_V850_LONGCALL);
+ else
+ fix_new_exp (frag_now, frag_now_fix (), 4, & ex, 1,
+ BFD_RELOC_V850_LONGJUMP);
+
+ demand_empty_rest_of_line ();
}
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
{
- {"sdata", v850_sdata, 0},
- {"tdata", v850_tdata, 0},
- {"zdata", v850_zdata, 0},
- {"sbss", v850_sbss, 0},
- {"tbss", v850_tbss, 0},
- {"zbss", v850_zbss, 0},
- {"rosdata", v850_rosdata, 0},
- {"rozdata", v850_rozdata, 0},
- {"bss", v850_bss, 0},
- {"offset", v850_offset, 0},
- {"section", v850_section, 0},
- {"word", cons, 4},
- {"v850", set_machine, 0},
-/* start-sanitize-v850e */
- {"v850e", set_machine, bfd_mach_v850e},
-/* end-sanitize-v850e */
-/* start-sanitize-v850eq */
- {"v850eq", set_machine, bfd_mach_v850eq},
-/* end-sanitize-v850eq */
- { NULL, NULL, 0}
+ { "sdata", v850_seg, SDATA_SECTION },
+ { "tdata", v850_seg, TDATA_SECTION },
+ { "zdata", v850_seg, ZDATA_SECTION },
+ { "sbss", v850_seg, SBSS_SECTION },
+ { "tbss", v850_seg, TBSS_SECTION },
+ { "zbss", v850_seg, ZBSS_SECTION },
+ { "rosdata", v850_seg, ROSDATA_SECTION },
+ { "rozdata", v850_seg, ROZDATA_SECTION },
+ { "bss", v850_seg, BSS_SECTION },
+ { "offset", v850_offset, 0 },
+ { "word", cons, 4 },
+ { "zcomm", v850_comm, ZCOMMON_SECTION },
+ { "scomm", v850_comm, SCOMMON_SECTION },
+ { "tcomm", v850_comm, TCOMMON_SECTION },
+ { "v850", set_machine, 0 },
+ { "call_table_data", v850_seg, CALL_TABLE_DATA_SECTION },
+ { "call_table_text", v850_seg, CALL_TABLE_TEXT_SECTION },
+ { "v850e", set_machine, bfd_mach_v850e },
+ { "v850e1", set_machine, bfd_mach_v850e1 },
+ { "longcall", v850_longcode, 1 },
+ { "longjump", v850_longcode, 2 },
+ { NULL, NULL, 0 }
};
/* Opcode hash table. */
static struct hash_control *v850_hash;
-/* This table is sorted. Suitable for searching by a binary search. */
+/* 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 */
+ { "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))
+#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[] =
{
-/* start-sanitize-v850e */
+ { "asid", 23 },
+ { "bpc", 22 },
+ { "bpav", 24 },
+ { "bpam", 25 },
+ { "bpdv", 26 },
+ { "bpdm", 27 },
{ "ctbp", 20 },
{ "ctpc", 16 },
{ "ctpsw", 17 },
{ "dbpc", 18 },
{ "dbpsw", 19 },
-/* end-sanitize-v850e */
+ { "dir", 21 },
{ "ecr", 4 },
{ "eipc", 0 },
{ "eipsw", 1 },
{ "fepsw", 3 },
{ "psw", 5 },
};
-#define SYSREG_NAME_CNT (sizeof (system_registers) / sizeof (struct reg_name))
+
+#define SYSREG_NAME_CNT \
+ (sizeof (system_registers) / sizeof (struct reg_name))
+
+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[] =
{
{ "v", 0x0 },
{ "z", 0x2 },
};
-#define CC_NAME_CNT (sizeof (cc_names) / sizeof (struct reg_name))
-/* reg_name_search does a binary search of the given register table
- to see if "name" is a valid regiter name. Returns the register
- number from the array on success, or -1 on failure. */
+#define CC_NAME_CNT \
+ (sizeof (cc_names) / sizeof (struct reg_name))
+
+/* Do a binary search of the given register table to see if NAME is a
+ valid regiter name. Return the register number from the array on
+ success, or -1 on failure. */
static int
-reg_name_search (regs, regcount, name)
- const struct reg_name * regs;
- int regcount;
- const char * name;
+reg_name_search (const struct reg_name *regs,
+ int regcount,
+ const char *name,
+ bfd_boolean accept_numbers)
{
int middle, low, high;
int cmp;
+ symbolS *symbolP;
+
+ /* If the register name is a symbol, then evaluate it. */
+ if ((symbolP = symbol_find (name)) != NULL)
+ {
+ /* 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);
+ else if (accept_numbers)
+ {
+ int reg = S_GET_VALUE (symbolP);
+
+ if (reg >= 0 && reg <= 31)
+ return reg;
+ }
+
+ /* Otherwise drop through and try parsing name normally. */
+ }
low = 0;
high = regcount - 1;
return -1;
}
-
/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: A 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 boolean
-register_name (expressionP)
- expressionS * expressionP;
+
+ 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 (expressionS *expressionP)
{
- int reg_number;
- char * name;
- char * start;
- char c;
+ int reg_number;
+ char *name;
+ char *start;
+ char c;
- /* Find the spelling of the operand */
+ /* Find the spelling of the operand. */
start = name = input_line_pointer;
c = get_symbol_end ();
- reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
+ reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT,
+ name, FALSE);
- * input_line_pointer = c; /* put back the delimiting char */
-
- /* look to see if it's in the register table */
- if (reg_number >= 0)
+ /* Put back the delimiting char. */
+ *input_line_pointer = c;
+
+ /* 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 */
+ /* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
-
- return true;
+
+ return TRUE;
}
else
{
- /* reset the line as if we had not done anything */
+ /* Reset the line as if we had not done anything. */
input_line_pointer = start;
-
- return false;
+
+ return FALSE;
}
}
/* Summary of system_register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: A 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 boolean
-system_register_name (expressionP, accept_numbers)
- expressionS * expressionP;
- boolean accept_numbers;
+
+ 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 (expressionS *expressionP,
+ bfd_boolean accept_numbers,
+ bfd_boolean accept_list_names)
{
- int reg_number;
- char * name;
- char * start;
- char c;
+ int reg_number;
+ char *name;
+ char *start;
+ char c;
- /* Find the spelling of the operand */
+ /* Find the spelling of the operand. */
start = name = input_line_pointer;
c = get_symbol_end ();
- reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name);
+ reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name,
+ accept_numbers);
+
+ /* Put back the delimiting char. */
+ *input_line_pointer = c;
- * input_line_pointer = c; /* put back the delimiting char */
-
if (reg_number < 0
&& accept_numbers)
{
- input_line_pointer = start; /* reset input_line pointer */
-
- if (isdigit (* input_line_pointer))
- reg_number = strtol (input_line_pointer, & input_line_pointer, 10);
-
- /* Make sure that the register number is allowable. */
- if ( reg_number < 0
- || reg_number > 5
-/* start-sanitize-v850e */
- && reg_number < 16
- || reg_number > 20
-/* end-sanitize-v850e */
- )
+ /* Reset input_line pointer. */
+ input_line_pointer = start;
+
+ if (ISDIGIT (*input_line_pointer))
+ {
+ reg_number = strtol (input_line_pointer, &input_line_pointer, 10);
+
+ /* Make sure that the register number is allowable. */
+ if (reg_number < 0
+ || (reg_number > 5 && reg_number < 16)
+ || reg_number > 27)
+ reg_number = -1;
+ }
+ else if (accept_list_names)
{
- reg_number = -1;
+ c = get_symbol_end ();
+ reg_number = reg_name_search (system_list_registers,
+ SYSREGLIST_NAME_CNT, name, FALSE);
+
+ /* Put back the delimiting char. */
+ *input_line_pointer = c;
}
}
-
- /* look to see if it's in the register table */
- if (reg_number >= 0)
+
+ /* 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 */
+ /* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
- return true;
+ return TRUE;
}
else
{
- /* reset the line as if we had not done anything */
+ /* Reset the line as if we had not done anything. */
input_line_pointer = start;
-
- return false;
+
+ return FALSE;
}
}
/* Summary of cc_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: A 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 boolean
-cc_name (expressionP)
- expressionS *expressionP;
+
+ 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 (expressionS *expressionP)
{
- int reg_number;
- char * name;
- char * start;
- char c;
+ int reg_number;
+ char *name;
+ char *start;
+ char c;
- /* Find the spelling of the operand */
+ /* Find the spelling of the operand. */
start = name = input_line_pointer;
c = get_symbol_end ();
- reg_number = reg_name_search (cc_names, CC_NAME_CNT, name);
+ reg_number = reg_name_search (cc_names, CC_NAME_CNT, name, FALSE);
+
+ /* Put back the delimiting char. */
+ *input_line_pointer = c;
- * input_line_pointer = c; /* put back the delimiting char */
-
- /* look to see if it's in the register table */
- if (reg_number >= 0)
+ /* 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 */
+ /* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
- return true;
+ return TRUE;
}
else
{
- /* reset the line as if we had not done anything */
+ /* Reset the line as if we had not done anything. */
input_line_pointer = start;
-
- return false;
+
+ return FALSE;
}
}
static void
skip_white_space (void)
{
- while ( * input_line_pointer == ' '
- || * input_line_pointer == '\t')
- ++ input_line_pointer;
+ while (*input_line_pointer == ' '
+ || *input_line_pointer == '\t')
+ ++input_line_pointer;
}
-/* start-sanitize-v850e */
/* 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: True if the parse completed successfully, False otherwise.
- * 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.
- *
- */
+
+ 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
-(
- unsigned long * insn,
- const struct v850_operand * operand
-)
+parse_register_list (unsigned long *insn,
+ const struct v850_operand *operand)
{
- 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 };
-/* start-sanitize-v850eq */
- 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 ] = { 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 };
-/* end-sanitize-v850eq */
- int * regs;
+ 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] =
+ {
+ 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] =
+ {
+ 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
+ };
+ int *regs;
expressionS exp;
-
- /* Select a register array to parse. */
+ /* Select a register array to parse. */
switch (operand->shift)
{
case 0xffe00001: regs = type1_regs; break;
-/* start-sanitize-v850eq */
case 0xfff8000f: regs = type2_regs; break;
case 0xfff8001f: regs = type3_regs; break;
-/* end-sanitize-v850eq */
default:
- as_bad ("unknown operand shift: %x\n", operand->shift );
- return "internal failure in parse_register_list";
+ as_bad (_("unknown operand shift: %x\n"), operand->shift);
+ return _("internal failure in parse_register_list");
}
- skip_white_space();
+ skip_white_space ();
/* If the expression starts with a curly brace it is a register list.
- Otherwise it is a constant expression ,whoes bits indicate which
+ Otherwise it is a constant expression, whoes bits indicate which
registers are to be included in the list. */
-
- if (* input_line_pointer != '{')
+ if (*input_line_pointer != '{')
{
- int bits;
int reg;
int i;
-
- expression (& exp);
-
+
+ expression (&exp);
+
if (exp.X_op != O_constant)
- return "constant expression or register list expected";
+ return _("constant expression or register list expected");
-/* start-sanitize-v850eq */
if (regs == type1_regs)
-/* end-sanitize-v850eq */
{
if (exp.X_add_number & 0xFFFFF000)
- return "high bits set in register list expression";
-
- for (reg = 20; reg < 32; reg ++)
+ return _("high bits set in register list expression");
+
+ for (reg = 20; reg < 32; reg++)
if (exp.X_add_number & (1 << (reg - 20)))
{
for (i = 0; i < 32; i++)
if (regs[i] == reg)
- * insn |= (1 << i);
+ *insn |= (1 << i);
}
}
-/* start-sanitize-v850eq */
else if (regs == type2_regs)
{
if (exp.X_add_number & 0xFFFE0000)
- return "high bits set in register list expression";
-
- for (reg = 1; reg < 16; reg ++)
+ return _("high bits set in register list expression");
+
+ for (reg = 1; reg < 16; reg++)
if (exp.X_add_number & (1 << (reg - 1)))
{
for (i = 0; i < 32; i++)
if (regs[i] == reg)
- * insn |= (1 << i);
+ *insn |= (1 << i);
}
if (exp.X_add_number & (1 << 15))
- * insn |= (1 << 3);
-
+ *insn |= (1 << 3);
+
if (exp.X_add_number & (1 << 16))
- * insn |= (1 << 19);
+ *insn |= (1 << 19);
}
- else /* regs == type3_regs */
+ else /* regs == type3_regs */
{
if (exp.X_add_number & 0xFFFE0000)
- return "high bits set in register list expression";
-
- for (reg = 16; reg < 32; reg ++)
+ return _("high bits set in register list expression");
+
+ for (reg = 16; reg < 32; reg++)
if (exp.X_add_number & (1 << (reg - 16)))
{
for (i = 0; i < 32; i++)
if (regs[i] == reg)
- * insn |= (1 << i);
+ *insn |= (1 << i);
}
if (exp.X_add_number & (1 << 16))
- * insn |= (1 << 19);
+ *insn |= (1 << 19);
}
-/* end-sanitize-v850eq */
return NULL;
}
- input_line_pointer ++;
+ input_line_pointer++;
- /* Parse the register list until a terminator (closing curly brace or new-line) is found. */
+ /* Parse the register list until a terminator (closing curly brace or
+ new-line) is found. */
for (;;)
{
- if (register_name (& exp))
+ if (register_name (&exp))
{
- int i;
-
- /* Locate the given register in the list, and if it is there, insert the corresponding bit into the instruction. */
+ int i;
+
+ /* Locate the given register in the list, and if it is there,
+ insert the corresponding bit into the instruction. */
for (i = 0; i < 32; i++)
{
- if (regs[ i ] == exp.X_add_number)
+ if (regs[i] == exp.X_add_number)
{
- * insn |= (1 << i);
+ *insn |= (1 << i);
break;
}
}
if (i == 32)
- {
- return "illegal register included in list";
- }
+ return _("illegal register included in list");
}
- else if (system_register_name (& exp, true))
+ else if (system_register_name (&exp, TRUE, TRUE))
{
if (regs == type1_regs)
{
- return "system registers cannot be included in list";
+ return _("system registers cannot be included in list");
}
else if (exp.X_add_number == 5)
{
if (regs == type2_regs)
- return "PSW cannot be included in list";
+ return _("PSW cannot be included in list");
else
- * insn |= 0x8;
+ *insn |= 0x8;
}
+ else if (exp.X_add_number < 4)
+ *insn |= 0x80000;
else
- * insn |= 0x80000;
+ return _("High value system registers cannot be included in list");
}
- else if (* input_line_pointer == '}')
+ else if (*input_line_pointer == '}')
{
- input_line_pointer ++;
+ input_line_pointer++;
break;
}
- else if (* input_line_pointer == ',')
+ else if (*input_line_pointer == ',')
{
- input_line_pointer ++;
+ input_line_pointer++;
continue;
}
- else if (* input_line_pointer == '-')
+ else if (*input_line_pointer == '-')
{
- /* We have encountered a range of registers: rX - rY */
- int j;
+ /* We have encountered a range of registers: rX - rY. */
+ int j;
expressionS exp2;
/* Skip the dash. */
- ++ input_line_pointer;
+ ++input_line_pointer;
/* Get the second register in the range. */
- if (! register_name (& exp2))
+ if (! register_name (&exp2))
{
- return "second register should follow dash in register list";
+ return _("second register should follow dash in register list");
exp2.X_add_number = exp.X_add_number;
}
/* Add the rest of the registers in the range. */
for (j = exp.X_add_number + 1; j <= exp2.X_add_number; j++)
{
- int i;
-
- /* Locate the given register in the list, and if it is there, insert the corresponding bit into the instruction. */
+ int i;
+
+ /* Locate the given register in the list, and if it is there,
+ insert the corresponding bit into the instruction. */
for (i = 0; i < 32; i++)
{
- if (regs[ i ] == j)
+ if (regs[i] == j)
{
- * insn |= (1 << i);
+ *insn |= (1 << i);
break;
}
}
if (i == 32)
- {
- return "illegal register included in list";
- }
+ return _("illegal register included in list");
}
}
else
- {
- break;
- }
+ break;
- skip_white_space();
+ skip_white_space ();
}
return NULL;
}
-/* end-sanitize-v850e */
-CONST char * md_shortopts = "m:";
+const char *md_shortopts = "m:";
struct option md_longopts[] =
{
{NULL, no_argument, NULL, 0}
};
-size_t md_longopts_size = sizeof md_longopts;
+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, "\t-wsigned_overflow Warn if signed immediate values overflow\n");
- fprintf (stream, "\t-wunsigned_overflow Warn if unsigned immediate values overflow\n");
- fprintf (stream, "\t-mv850 The code is targeted at the v850\n");
-/* start-sanitize-v850e */
- fprintf (stream, "\t-mv850e The code is targeted at the v850e\n");
-/* end-sanitize-v850e */
-/* start-sanitize-v850eq */
- fprintf (stream, "\t-mv850eq The code is targeted at the v850eq\n");
-/* end-sanitize-v850eq */
-}
+ 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)
{
- switch (c)
+ if (c != 'm')
+ return 0;
+
+ if (strcmp (arg, "warn-signed-overflow") == 0)
+ warn_signed_overflows = TRUE;
+
+ else if (strcmp (arg, "warn-unsigned-overflow") == 0)
+ warn_unsigned_overflows = TRUE;
+
+ else if (strcmp (arg, "v850") == 0)
{
- case 'w':
- if (strcmp (arg, "signed_overflow") == 0)
- {
- warn_signed_overflows = TRUE;
- return 1;
- }
- else if (strcmp (arg, "unsigned_overflow") == 0)
- {
- warn_unsigned_overflows = TRUE;
- return 1;
- }
- break;
+ machine = 0;
+ processor_mask = PROCESSOR_V850;
+ }
+ else if (strcmp (arg, "v850e") == 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. */
+ machine = 0;
- case 'm':
- if (strcmp (arg, "v850") == 0)
- {
- machine = 0;
- return 1;
- }
-/* start-sanitize-v850e */
- else if (strcmp (arg, "v850e") == 0)
- {
- machine = bfd_mach_v850e;
- return 1;
- }
-/* end-sanitize-v850e */
-/* start-sanitize-v850eq */
- else if (strcmp (arg, "v850eq") == 0)
- {
- machine = bfd_mach_v850eq;
- return 1;
- }
-/* end-sanitize-v850eq */
- break;
+ /* But support instructions for the extended versions. */
+ processor_mask = PROCESSOR_V850E;
+ processor_mask |= PROCESSOR_V850E1;
}
-
- return 0;
+ else if (strcmp (arg, "relax") == 0)
+ v850_relax = 1;
+ else
+ return 0;
+
+ return 1;
}
symbolS *
-md_undefined_symbol (name)
- char * name;
+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;
- 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);
- if (fragP->fr_subtype == 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_var = 0;
+ 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. */
else if (fragP->fr_subtype == 1)
{
+ unsigned char *buffer =
+ (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
+
/* Reverse the condition of the first branch. */
- fragP->fr_literal[0] &= 0xf7;
+ buffer[0] ^= 0x08;
/* Mask off all the displacement bits. */
- fragP->fr_literal[0] &= 0x8f;
- fragP->fr_literal[1] &= 0x07;
+ buffer[0] &= 0x8f;
+ buffer[1] &= 0x07;
/* Now set the displacement bits so that we branch
around the unconditional branch. */
- fragP->fr_literal[0] |= 0x30;
+ buffer[0] |= 0x30;
/* Now create the unconditional branch + fixup to the final
target. */
- md_number_to_chars (&fragP->fr_literal[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_var = 0;
+ 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. */
+ else if (fragP->fr_subtype == 3)
+ {
+ 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 + opcode_converter.fx_r_type + 1);
+ fragP->fr_fix += 4;
+ }
else
abort ();
}
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 = "";
- register const struct v850_opcode * op;
- flagword applicable;
+ char *prev_name = "";
+ const struct v850_opcode *op;
-
- v850_hash = hash_new();
+ 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;
+
+ if (processor_mask == -1)
+ processor_mask = PROCESSOR_V850E;
+ }
+ else if (strncmp (TARGET_CPU, "v850", 4) == 0)
+ {
+ if (machine == -1)
+ machine = 0;
+
+ if (processor_mask == -1)
+ processor_mask = PROCESSOR_V850;
+ }
+ else
+ /* xgettext:c-format */
+ as_bad (_("Unable to determine default target processor from string: %s"),
+ TARGET_CPU);
+
+ v850_hash = hash_new ();
/* Insert unique names into hash table. The V850 instruction set
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)
{
- if (strcmp (prev_name, op->name))
+ if (strcmp (prev_name, op->name))
+ {
+ prev_name = (char *) op->name;
+ hash_insert (v850_hash, op->name, (char *) op);
+ }
+ op++;
+ }
+
+ v850_seg_table[BSS_SECTION].s = bss_section;
+ bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
+}
+
+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 (const struct v850_operand *operand)
+{
+ if (operand == NULL)
+ return BFD_RELOC_V850_CALLT_16_16_OFFSET;
+
+ if (operand->bits != 6
+ || operand->shift != 0)
+ {
+ as_bad (_("ctoff() relocation used on an instruction which does not support it"));
+ return BFD_RELOC_64; /* Used to indicate an error condition. */
+ }
+
+ return BFD_RELOC_V850_CALLT_6_7_OFFSET;
+}
+
+static bfd_reloc_code_real_type
+handle_sdaoff (const struct v850_operand *operand)
+{
+ if (operand == NULL)
+ return BFD_RELOC_V850_SDA_16_16_OFFSET;
+
+ if (operand->bits == 15 && operand->shift == 17)
+ return BFD_RELOC_V850_SDA_15_16_OFFSET;
+
+ if (operand->bits == -1)
+ return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET;
+
+ if (operand->bits != 16
+ || operand->shift != 16)
+ {
+ as_bad (_("sdaoff() relocation used on an instruction which does not support it"));
+ return BFD_RELOC_64; /* Used to indicate an error condition. */
+ }
+
+ return BFD_RELOC_V850_SDA_16_16_OFFSET;
+}
+
+static bfd_reloc_code_real_type
+handle_zdaoff (const struct v850_operand *operand)
+{
+ if (operand == NULL)
+ return BFD_RELOC_V850_ZDA_16_16_OFFSET;
+
+ if (operand->bits == 15 && operand->shift == 17)
+ return BFD_RELOC_V850_ZDA_15_16_OFFSET;
+
+ if (operand->bits == -1)
+ return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET;
+
+ if (operand->bits != 16
+ || operand->shift != 16)
+ {
+ as_bad (_("zdaoff() relocation used on an instruction which does not support it"));
+ /* Used to indicate an error condition. */
+ return BFD_RELOC_64;
+ }
+
+ return BFD_RELOC_V850_ZDA_16_16_OFFSET;
+}
+
+static bfd_reloc_code_real_type
+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. */
+ return BFD_RELOC_V850_TDA_6_8_OFFSET;
+
+ if (operand->bits == 4 && operand->insert != NULL)
+ /* sld.hu, operand: D5-4. */
+ return BFD_RELOC_V850_TDA_4_5_OFFSET;
+
+ if (operand->bits == 4 && operand->insert == NULL)
+ /* sld.bu, operand: D4. */
+ return BFD_RELOC_V850_TDA_4_4_OFFSET;
+
+ if (operand->bits == 16 && operand->shift == 16)
+ /* set1 & chums, operands: D16. */
+ return BFD_RELOC_V850_TDA_16_16_OFFSET;
+
+ if (operand->bits != 7)
+ {
+ as_bad (_("tdaoff() relocation used on an instruction which does not support it"));
+ /* Used to indicate an error condition. */
+ return BFD_RELOC_64;
+ }
+
+ 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, 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 (const struct v850_operand *operand)
+{
+ bfd_boolean paren_skipped = FALSE;
+
+ /* Skip leading opening parenthesis. */
+ if (*input_line_pointer == '(')
+ {
+ ++input_line_pointer;
+ paren_skipped = TRUE;
+ }
+
+#define CHECK_(name, reloc) \
+ if (strncmp (input_line_pointer, name "(", strlen (name) + 1) == 0) \
+ { \
+ input_line_pointer += strlen (name); \
+ return reloc; \
+ }
+
+ 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_ ("ctoff", handle_ctoff (operand) );
+
+ /* Restore skipped parenthesis. */
+ if (paren_skipped)
+ --input_line_pointer;
+
+ return BFD_RELOC_UNUSED;
+}
+
+/* Insert an operand value into an instruction. */
+
+static unsigned long
+v850_insert_operand (unsigned long insn,
+ const struct v850_operand *operand,
+ offsetT val,
+ char *file,
+ unsigned int line,
+ char *str)
+{
+ if (operand->insert)
+ {
+ const char *message = NULL;
+
+ insn = operand->insert (insn, val, &message);
+ if (message != NULL)
{
- prev_name = (char *) op->name;
- hash_insert (v850_hash, op->name, (char *) op);
+ if ((operand->flags & V850_OPERAND_SIGNED)
+ && ! warn_signed_overflows
+ && strstr (message, "out of range") != NULL)
+ {
+ /* Skip warning... */
+ }
+ else if ((operand->flags & V850_OPERAND_SIGNED) == 0
+ && ! warn_unsigned_overflows
+ && strstr (message, "out of range") != NULL)
+ {
+ /* Skip warning... */
+ }
+ else if (str)
+ {
+ if (file == (char *) NULL)
+ as_warn ("%s: %s", str, message);
+ else
+ as_warn_where (file, line, "%s: %s", str, message);
+ }
+ else
+ {
+ if (file == (char *) NULL)
+ as_warn ("%s", message);
+ else
+ as_warn_where (file, line, "%s", message);
+ }
}
- op++;
}
+ else
+ {
+ if (operand->bits != 32)
+ {
+ long min, max;
- bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
+ if ((operand->flags & V850_OPERAND_SIGNED) != 0)
+ {
+ if (! warn_signed_overflows)
+ max = (1 << operand->bits) - 1;
+ else
+ max = (1 << (operand->bits - 1)) - 1;
- applicable = bfd_applicable_section_flags (stdoutput);
-
- sdata_section = subseg_new (".sdata", 0);
- bfd_set_section_flags (stdoutput, sdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
-
- tdata_section = subseg_new (".tdata", 0);
- bfd_set_section_flags (stdoutput, tdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
-
- zdata_section = subseg_new (".zdata", 0);
- bfd_set_section_flags (stdoutput, zdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
-
- sbss_section = subseg_new (".sbss", 0);
- bfd_set_section_flags (stdoutput, sbss_section, applicable & SEC_ALLOC);
-
- tbss_section = subseg_new (".tbss", 0);
- bfd_set_section_flags (stdoutput, tbss_section, applicable & SEC_ALLOC);
-
- zbss_section = subseg_new (".zbss", 0);
- bfd_set_section_flags (stdoutput, zbss_section, applicable & SEC_ALLOC);
-
- rosdata_section = subseg_new (".rosdata", 0);
- bfd_set_section_flags (stdoutput, rosdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY));
-
- rozdata_section = subseg_new (".rozdata", 0);
- bfd_set_section_flags (stdoutput, rozdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY));
-}
+ min = -(1 << (operand->bits - 1));
+ }
+ else
+ {
+ max = (1 << operand->bits) - 1;
+ if (! warn_unsigned_overflows)
+ min = -(1 << (operand->bits - 1));
+ else
+ min = 0;
+ }
-/* 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. */
+ /* 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)
+ {
+ char buf [128];
-static bfd_reloc_code_real_type
-v850_reloc_prefix (const struct v850_operand * operand)
-{
- boolean paren_skipped = false;
+ /* Restore min and mix to expected values for decimal ranges. */
+ if ((operand->flags & V850_OPERAND_SIGNED)
+ && ! warn_signed_overflows)
+ max = (1 << (operand->bits - 1)) - 1;
+ if (! (operand->flags & V850_OPERAND_SIGNED)
+ && ! warn_unsigned_overflows)
+ min = 0;
- /* Skip leading opening parenthesis. */
- if (* input_line_pointer == '(')
- {
- ++ input_line_pointer;
- paren_skipped = true;
- }
-
- if (strncmp (input_line_pointer, "hi0(", 4) == 0)
- {
- input_line_pointer += 3;
- return BFD_RELOC_HI16;
- }
- if (strncmp (input_line_pointer, "hi(", 3) == 0)
- {
- input_line_pointer += 2;
- return BFD_RELOC_HI16_S;
- }
- if (strncmp (input_line_pointer, "lo(", 3) == 0)
- {
- input_line_pointer += 2;
- return BFD_RELOC_LO16;
- }
-/* start-sanitize-v850e */
- if (strncmp (input_line_pointer, "hilo(", 5) == 0)
- {
- input_line_pointer += 4;
- return BFD_RELOC_32;
- }
-/* end-sanitize-v850e */
+ if (str)
+ sprintf (buf, "%s: ", str);
+ else
+ buf[0] = 0;
+ strcat (buf, _("operand"));
- if (strncmp (input_line_pointer, "sdaoff(", 7) == 0)
- {
- input_line_pointer += 6;
-
- if (operand == NULL) return BFD_RELOC_V850_SDA_16_16_OFFSET;
- if (operand->bits == 15 && operand->shift == 17) return BFD_RELOC_V850_SDA_15_16_OFFSET;
- /* start-sanitize-v850e */
- if (operand->bits == -1) return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET;
- /* end-sanitize-v850e */
-
- assert (operand->bits == 16);
- assert (operand->shift == 16);
-
- return BFD_RELOC_V850_SDA_16_16_OFFSET;
- }
-
- if (strncmp (input_line_pointer, "zdaoff(", 7) == 0)
- {
- input_line_pointer += 6;
-
- if (operand == NULL) return BFD_RELOC_V850_ZDA_16_16_OFFSET;
- if (operand->bits == 15 && operand->shift == 17) return BFD_RELOC_V850_ZDA_15_16_OFFSET;
- /* start-sanitize-v850e */
- if (operand->bits == -1) return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET;
- /* end-sanitize-v850e */
-
- assert (operand->bits == 16);
- assert (operand->shift == 16);
-
- return BFD_RELOC_V850_ZDA_16_16_OFFSET;
- }
-
- if (strncmp (input_line_pointer, "tdaoff(", 7) == 0)
- {
- input_line_pointer += 6;
-
- if (operand == NULL) return BFD_RELOC_V850_TDA_7_7_OFFSET;
- if (operand->bits == 6 && operand->shift == 1) return BFD_RELOC_V850_TDA_6_8_OFFSET;
- /* start-sanitize-v850e */
- if (operand->bits == 4 && operand->insert != NULL) return BFD_RELOC_V850_TDA_4_5_OFFSET;
- if (operand->bits == 4 && operand->insert == NULL) return BFD_RELOC_V850_TDA_4_4_OFFSET;
- /* end-sanitize-v850e */
-
- assert (operand->bits == 7);
-
- return operand->insert != NULL ? BFD_RELOC_V850_TDA_7_8_OFFSET : BFD_RELOC_V850_TDA_7_7_OFFSET;
+ as_bad_value_out_of_range (buf, val, (offsetT) min, (offsetT) max, file, line);
+ }
+ }
+
+ insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift);
}
- if (paren_skipped)
- /* Restore skipped character. */
- -- input_line_pointer;
-
- return BFD_RELOC_UNUSED;
+ return insn;
}
+\f
+static char copy_of_instruction[128];
void
-md_assemble (str)
- char * str;
+md_assemble (char *str)
{
- char * s;
- char * start_of_operands;
- struct v850_opcode * opcode;
- struct v850_opcode * next_opcode;
- const unsigned char * opindex_ptr;
- int next_opindex;
- int relaxable;
- unsigned long insn;
- unsigned long insn_size;
- char * f;
- int i;
- int match;
- boolean extra_data_after_insn = false;
- unsigned extra_data_len;
- unsigned long extra_data;
- char * saved_input_line_pointer;
-
+ char *s;
+ char *start_of_operands;
+ struct v850_opcode *opcode;
+ struct v850_opcode *next_opcode;
+ const unsigned char *opindex_ptr;
+ int next_opindex;
+ int relaxable = 0;
+ unsigned long insn;
+ unsigned long insn_size;
+ char *f;
+ int i;
+ int match;
+ bfd_boolean extra_data_after_insn = FALSE;
+ unsigned extra_data_len = 0;
+ unsigned long extra_data = 0;
+ char *saved_input_line_pointer;
+
+ strncpy (copy_of_instruction, str, sizeof (copy_of_instruction) - 1);
+
/* Get the opcode. */
- for (s = str; *s != '\0' && ! isspace (*s); s++)
+ for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
continue;
-
+
if (*s != '\0')
*s++ = '\0';
- /* find the first opcode with the proper name */
- opcode = (struct v850_opcode *)hash_find (v850_hash, str);
+ /* Find the first opcode with the proper name. */
+ opcode = (struct v850_opcode *) hash_find (v850_hash, str);
if (opcode == NULL)
{
- as_bad ("Unrecognized opcode: `%s'", str);
+ /* xgettext:c-format */
+ as_bad (_("Unrecognized opcode: `%s'"), str);
ignore_rest_of_line ();
return;
}
str = s;
- while (isspace (* str))
- ++ str;
+ while (ISSPACE (*str))
+ ++str;
start_of_operands = str;
saved_input_line_pointer = input_line_pointer;
-
+
for (;;)
{
- const char * errmsg = NULL;
+ const char *errmsg = NULL;
+
+ match = 0;
+
+ if ((opcode->processors & processor_mask) == 0)
+ {
+ errmsg = _("Target processor does not support this instruction.");
+ goto error;
+ }
relaxable = 0;
fc = 0;
- match = 0;
next_opindex = 0;
insn = opcode->opcode;
- extra_data_after_insn = false;
+ extra_data_after_insn = FALSE;
input_line_pointer = str = start_of_operands;
for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
{
- const struct v850_operand * operand;
- char * hold;
- expressionS ex;
- bfd_reloc_code_real_type reloc;
+ const struct v850_operand *operand;
+ char *hold;
+ expressionS ex;
+ 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 ];
+ operand = &v850_operands[next_opindex];
next_opindex = 0;
}
if (operand->flags & V850_OPERAND_RELAX)
relaxable = 1;
- /* Gather the operand. */
+ /* Gather the operand. */
hold = input_line_pointer;
input_line_pointer = str;
-
-/* fprintf (stderr, "operand: %s index = %d, opcode = %s\n", input_line_pointer, opindex_ptr - opcode->operands, opcode->name ); */
- /* lo(), hi(), hi0(), etc... */
+ /* lo(), hi(), hi0(), etc... */
if ((reloc = v850_reloc_prefix (operand)) != BFD_RELOC_UNUSED)
{
- expression (& ex);
+ /* This is a fake reloc, used to indicate an error condition. */
+ if (reloc == BFD_RELOC_64)
+ {
+ match = 1;
+ goto error;
+ }
+
+ expression (&ex);
if (ex.X_op == O_constant)
{
switch (reloc)
{
+ case BFD_RELOC_V850_ZDA_16_16_OFFSET:
+ /* To cope with "not1 7, zdaoff(0xfffff006)[r0]"
+ and the like. */
+ /* 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);
case BFD_RELOC_HI16_S:
{
/* Truncate, then sign extend the value. */
- int temp = (ex.X_add_number >> 16) & 0xffff;
+ int temp = (ex.X_add_number >> 16) & 0xffff;
temp += (ex.X_add_number >> 15) & 1;
ex.X_add_number = SEXT16 (temp);
break;
}
-
-/* start-sanitize-v850e */
+
case BFD_RELOC_32:
if ((operand->flags & V850E_IMMEDIATE32) == 0)
{
- errmsg = "use bigger instruction";
+ errmsg = _("immediate operand is too large");
goto error;
}
-
- extra_data_after_insn = true;
- extra_data_len = 4;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+
+ extra_data_after_insn = TRUE;
+ extra_data_len = 4;
+ extra_data = 0;
break;
-/* end-sanitize-v850e */
-
+
default:
- as_bad ( "AAARG -> unhandled constant reloc");
+ fprintf (stderr, "reloc: %d\n", reloc);
+ as_bad (_("AAARG -> unhandled constant reloc"));
break;
}
- insn = v850_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
+ if (fc > MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
+
+ fixups[fc].exp = ex;
+ fixups[fc].opindex = *opindex_ptr;
+ fixups[fc].reloc = reloc;
+ fc++;
}
else
{
{
if ((operand->flags & V850E_IMMEDIATE32) == 0)
{
- errmsg = "use bigger instruction";
+ errmsg = _("immediate operand is too large");
goto error;
}
-
- extra_data_after_insn = true;
- extra_data_len = 4;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+
+ extra_data_after_insn = TRUE;
+ extra_data_len = 4;
+ extra_data = ex.X_add_number;
}
-
+
if (fc > MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
+ as_fatal (_("too many fixups"));
- fixups[ fc ].exp = ex;
- fixups[ fc ].opindex = * opindex_ptr;
- fixups[ fc ].reloc = reloc;
+ fixups[fc].exp = ex;
+ fixups[fc].opindex = *opindex_ptr;
+ fixups[fc].reloc = reloc;
fc++;
}
}
else
{
errmsg = NULL;
-
- if ((operand->flags & V850_OPERAND_REG) != 0)
+
+ if ((operand->flags & V850_OPERAND_REG) != 0)
{
- if (!register_name (& ex))
+ if (!register_name (&ex))
+ errmsg = _("invalid register name");
+ else if ((operand->flags & V850_NOT_R0)
+ && ex.X_add_number == 0)
{
- errmsg = "invalid register name";
- }
+ errmsg = _("register r0 cannot be used here");
- if ((operand->flags & V850_NOT_R0)
- && ex.X_add_number == 0)
- {
- errmsg = "register r0 cannot be used here";
+ /* Force an error message to be generated by
+ skipping over any following potential matches
+ for this opcode. */
+ opcode += 3;
}
}
- else if ((operand->flags & V850_OPERAND_SRG) != 0)
+ else if ((operand->flags & V850_OPERAND_SRG) != 0)
{
- if (!system_register_name (& ex, true))
- {
- errmsg = "invalid system register name";
- }
+ if (!system_register_name (&ex, TRUE, FALSE))
+ errmsg = _("invalid system register name");
}
else if ((operand->flags & V850_OPERAND_EP) != 0)
{
- char * start = input_line_pointer;
- char c = get_symbol_end ();
-
+ char *start = input_line_pointer;
+ char c = get_symbol_end ();
+
if (strcmp (start, "ep") != 0 && strcmp (start, "r30") != 0)
{
/* Put things back the way we found them. */
*input_line_pointer = c;
input_line_pointer = start;
- errmsg = "expected EP register";
+ errmsg = _("expected EP register");
goto error;
}
-
+
*input_line_pointer = c;
str = input_line_pointer;
input_line_pointer = hold;
-
- while (*str == ' ' || *str == ',' || *str == '[' || *str == ']')
+
+ while (*str == ' ' || *str == ','
+ || *str == '[' || *str == ']')
++str;
continue;
}
- else if ((operand->flags & V850_OPERAND_CC) != 0)
+ else if ((operand->flags & V850_OPERAND_CC) != 0)
{
- if (!cc_name (& ex))
- {
- errmsg = "invalid condition code name";
- }
+ if (!cc_name (&ex))
+ errmsg = _("invalid condition code name");
}
-/* start-sanitize-v850e */
- else if (operand->flags & V850E_PUSH_POP)
+ else if (operand->flags & V850E_PUSH_POP)
{
- errmsg = parse_register_list (& insn, operand);
-
- /* The parse_register_list() function has already done everything, so fake a dummy expression. */
- ex.X_op = O_constant;
+ errmsg = parse_register_list (&insn, operand);
+
+ /* The parse_register_list() function has already done
+ everything, so fake a dummy expression. */
+ ex.X_op = O_constant;
ex.X_add_number = 0;
}
- else if (operand->flags & V850E_IMMEDIATE16)
+ else if (operand->flags & V850E_IMMEDIATE16)
{
- expression (& ex);
+ expression (&ex);
if (ex.X_op != O_constant)
- errmsg = "constant expression expected";
+ errmsg = _("constant expression expected");
else if (ex.X_add_number & 0xffff0000)
{
if (ex.X_add_number & 0xffff)
- errmsg = "constant too big to fit into instruction";
+ errmsg = _("constant too big to fit into instruction");
else if ((insn & 0x001fffc0) == 0x00130780)
ex.X_add_number >>= 16;
else
- errmsg = "constant too big to fit into instruction";
+ errmsg = _("constant too big to fit into instruction");
}
-
- extra_data_after_insn = true;
- extra_data_len = 2;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+
+ extra_data_after_insn = TRUE;
+ extra_data_len = 2;
+ extra_data = ex.X_add_number;
+ ex.X_add_number = 0;
}
- else if (operand->flags & V850E_IMMEDIATE32)
+ else if (operand->flags & V850E_IMMEDIATE32)
{
- expression (& ex);
-
+ expression (&ex);
+
if (ex.X_op != O_constant)
- errmsg = "constant expression expected";
-
- extra_data_after_insn = true;
- extra_data_len = 4;
- extra_data = ex.X_add_number;
- ex.X_add_number = 0;
+ errmsg = _("constant expression expected");
+
+ extra_data_after_insn = TRUE;
+ extra_data_len = 4;
+ extra_data = ex.X_add_number;
+ ex.X_add_number = 0;
}
-/* end-sanitize-v850e */
else if (register_name (&ex)
&& (operand->flags & V850_OPERAND_REG) == 0)
{
- errmsg = "syntax error: register not expected";
+ char c;
+ int exists = 0;
+
+ /* It is possible that an alias has been defined that
+ matches a register name. For example the code may
+ include a ".set ZERO, 0" directive, which matches
+ the register name "zero". Attempt to reparse the
+ field as an expression, and only complain if we
+ cannot generate a constant. */
+
+ input_line_pointer = str;
+
+ c = get_symbol_end ();
+
+ if (symbol_find (str) != NULL)
+ exists = 1;
+
+ *input_line_pointer = c;
+ input_line_pointer = str;
+
+ expression (&ex);
+
+ if (ex.X_op != O_constant)
+ {
+ /* 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
+ && (v850_operands[opindex_ptr[1]].flags
+ & V850_OPERAND_REG))
+ errmsg = _("syntax error: value is missing before the register name");
+ else
+ errmsg = _("syntax error: register not expected");
+
+ /* If we created a symbol in the process of this
+ test then delete it now, so that it will not
+ be output with the real symbols... */
+ if (exists == 0
+ && ex.X_op == O_symbol)
+ symbol_remove (ex.X_add_symbol,
+ &symbol_rootP, &symbol_lastP);
+ }
}
- else if (system_register_name (& ex, false)
+ 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);
-/* start-sanitize-v850e */
+ expression (&ex);
/* Special case:
- If we are assembling a MOV instruction (or a CALLT.... :-)
- and the immediate value does not fit into the bits available
- then create a fake error so that the next MOV instruction
- will be selected. This one has a 32 bit immediate field. */
+ If we are assembling a MOV instruction and the immediate
+ value does not fit into the bits available then create a
+ fake error so that the next MOV instruction will be
+ selected. This one has a 32 bit immediate field. */
if (((insn & 0x07e0) == 0x0200)
+ && operand->bits == 5 /* Do not match the CALLT instruction. */
&& ex.X_op == O_constant
- && (ex.X_add_number < (- (1 << (operand->bits - 1))) || ex.X_add_number > ((1 << operand->bits) - 1)))
- errmsg = "use bigger instruction";
-/* end-sanitize-v850e */
+ && (ex.X_add_number < (-(1 << (operand->bits - 1)))
+ || ex.X_add_number > ((1 << (operand->bits - 1)) - 1)))
+ errmsg = _("immediate operand is too large");
}
if (errmsg)
goto error;
-
-/* fprintf (stderr, "insn: %x, operand %d, op: %d, add_number: %d\n", insn, opindex_ptr - opcode->operands, ex.X_op, ex.X_add_number ); */
- switch (ex.X_op)
+ switch (ex.X_op)
{
case O_illegal:
- errmsg = "illegal operand";
+ errmsg = _("illegal operand");
goto error;
case O_absent:
- errmsg = "missing operand";
+ errmsg = _("missing operand");
goto error;
case O_register:
- if ((operand->flags & (V850_OPERAND_REG | V850_OPERAND_SRG)) == 0)
+ if ((operand->flags
+ & (V850_OPERAND_REG | V850_OPERAND_SRG)) == 0)
{
- errmsg = "invalid operand";
+ errmsg = _("invalid operand");
goto error;
}
insn = v850_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
+ NULL, 0, copy_of_instruction);
break;
case O_constant:
insn = v850_insert_operand (insn, operand, ex.X_add_number,
- (char *) NULL, 0);
+ NULL, 0, copy_of_instruction);
break;
default:
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
+ as_fatal (_("too many fixups"));
- fixups[ fc ].exp = ex;
- fixups[ fc ].opindex = * opindex_ptr;
- fixups[ fc ].reloc = BFD_RELOC_UNUSED;
+ fixups[fc].exp = ex;
+ fixups[fc].opindex = *opindex_ptr;
+ fixups[fc].reloc = BFD_RELOC_UNUSED;
++fc;
break;
}
error:
if (match == 0)
- {
+ {
next_opcode = opcode + 1;
- if (next_opcode->name != NULL && strcmp (next_opcode->name, opcode->name) == 0)
+ if (next_opcode->name != NULL
+ && strcmp (next_opcode->name, opcode->name) == 0)
{
opcode = next_opcode;
+
+ /* Skip versions that are not supported by the target
+ processor. */
+ if ((opcode->processors & processor_mask) == 0)
+ goto error;
+
continue;
}
-
- as_bad (errmsg);
+
+ as_bad ("%s: %s", copy_of_instruction, errmsg);
+
+ if (*input_line_pointer == ']')
+ ++input_line_pointer;
+
ignore_rest_of_line ();
input_line_pointer = saved_input_line_pointer;
return;
- }
+ }
break;
}
-
- while (isspace (*str))
+
+ while (ISSPACE (*str))
++str;
if (*str != '\0')
- as_bad ("junk at end of line: `%s'", str);
+ /* xgettext:c-format */
+ as_bad (_("junk at end of line: `%s'"), str);
input_line_pointer = str;
- /* Write out the instruction.
+ /* Tie dwarf2 debug info to the address at the start of the insn.
+ We can't do this after the insn has been output as the current
+ frag may have been closed off. eg. by frag_var. */
+ dwarf2_emit_insn (0);
+
+ /* Write out the instruction. */
- Four byte insns have an opcode with the two high bits on. */
if (relaxable && fc > 0)
{
- 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);
+ /* 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;
- md_number_to_chars (f, insn, insn_size);
- md_number_to_chars (f + 2, 0, 4);
fc = 0;
+
+ if (!strcmp (opcode->name, "br"))
+ {
+ f = frag_var (rs_machine_dependent, 4, 2, 2,
+ fixups[0].exp.X_add_symbol,
+ fixups[0].exp.X_add_number,
+ opindex_converter.ptr);
+ md_number_to_chars (f, insn, insn_size);
+ md_number_to_chars (f + 2, 0, 2);
+ }
+ else
+ {
+ f = frag_var (rs_machine_dependent, 6, 4, 0,
+ fixups[0].exp.X_add_symbol,
+ fixups[0].exp.X_add_number,
+ opindex_converter.ptr);
+ md_number_to_chars (f, insn, insn_size);
+ md_number_to_chars (f + 2, 0, 4);
+ }
}
- else
+ else
{
+ /* Four byte insns have an opcode with the two high bits on. */
if ((insn & 0x0600) == 0x0600)
insn_size = 4;
else
insn_size = 2;
-/* start-sanitize-v850e */
- /* Special case: 32 bit MOV */
+ /* Special case: 32 bit MOV. */
if ((insn & 0xffe0) == 0x0620)
insn_size = 2;
-/* end_sanitize-v850e */
-
+
f = frag_more (insn_size);
-
md_number_to_chars (f, insn, insn_size);
if (extra_data_after_insn)
{
f = frag_more (extra_data_len);
-
md_number_to_chars (f, extra_data, extra_data_len);
- extra_data_after_insn = false;
+ extra_data_after_insn = FALSE;
}
}
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_fix. */
+ md_apply_fix. */
for (i = 0; i < fc; i++)
{
- const struct v850_operand * operand;
- bfd_reloc_code_real_type reloc;
-
- operand = & v850_operands[ fixups[i].opindex ];
+ const struct v850_operand *operand;
+ bfd_reloc_code_real_type reloc;
+
+ operand = &v850_operands[fixups[i].opindex];
reloc = fixups[i].reloc;
-
+
if (reloc != BFD_RELOC_UNUSED)
{
- reloc_howto_type * reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
- int size;
- int address;
- fixS * fixP;
+ reloc_howto_type *reloc_howto =
+ bfd_reloc_type_lookup (stdoutput, reloc);
+ int size;
+ int address;
+ fixS *fixP;
if (!reloc_howto)
- abort();
-
+ abort ();
+
size = bfd_get_reloc_size (reloc_howto);
- if (size != 2 && size != 4) /* XXX this will abort on an R_V850_8 reloc - is this reloc actually used ? */
- abort();
+ /* XXX This will abort on an R_V850_8 reloc -
+ is this reloc actually used? */
+ if (size != 2 && size != 4)
+ abort ();
address = (f - frag_now->fr_literal) + insn_size - size;
if (reloc == BFD_RELOC_32)
- {
- address += 2;
- }
-
+ address += 2;
+
fixP = fix_new_exp (frag_now, address, size,
- & fixups[i].exp,
+ &fixups[i].exp,
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;
break;
+ default:
+ break;
}
}
else
{
- fix_new_exp (
- frag_now,
+ fix_new_exp (frag_now,
f - frag_now->fr_literal, 4,
& fixups[i].exp,
- 1 /* FIXME: V850_OPERAND_RELATIVE ??? */,
- (bfd_reloc_code_real_type) (fixups[i].opindex + (int) BFD_RELOC_UNUSED)
- );
+ (operand->flags & V850_OPERAND_DISP) != 0,
+ (bfd_reloc_code_real_type) (fixups[i].opindex
+ + (int) BFD_RELOC_UNUSED));
}
}
input_line_pointer = saved_input_line_pointer;
}
+/* If while processing a fixup, a reloc really needs to be created
+ then it is done here. */
-/* If while processing a fixup, a reloc really needs to be created */
-/* then it is done here. */
-
arelent *
-tc_gen_reloc (seg, fixp)
- asection * seg;
- fixS * fixp;
+tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
{
- arelent * reloc;
-
- reloc = (arelent *) xmalloc (sizeof (arelent));
- reloc->sym_ptr_ptr = & fixp->fx_addsy->bsym;
- 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)
+ arelent *reloc;
+
+ 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;
+
+ 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,
- "reloc %d not supported by object file format", (int)fixp->fx_r_type);
+ /* xgettext:c-format */
+ _("reloc %d not supported by object file format"),
+ (int) fixp->fx_r_type);
xfree (reloc);
-
+
return NULL;
}
-
- reloc->addend = fixp->fx_addnumber;
-
+
return reloc;
}
-/* Assume everything will fit in two bytes, then expand as necessary. */
+void
+v850_handle_align (fragS * frag)
+{
+ if (v850_relax
+ && frag->fr_type == rs_align
+ && frag->fr_address + frag->fr_fix > 0
+ && frag->fr_offset > 1
+ && now_seg != bss_section
+ && now_seg != v850_seg_table[SBSS_SECTION].s
+ && 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);
+}
+
+/* Return current size of variable part of frag. */
+
int
-md_estimate_size_before_relax (fragp, seg)
- fragS * fragp;
- asection * seg;
+md_estimate_size_before_relax (fragS *fragp, asection *seg ATTRIBUTE_UNUSED)
{
- fragp->fr_var = 4;
- return 2;
-}
+ if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
+ abort ();
+
+ return md_relax_table[fragp->fr_subtype].rlx_length;
+}
long
-md_pcrel_from (fixp)
- fixS * fixp;
+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,
then let the linker figure it out. */
- if (fixp->fx_addsy != (symbolS *) NULL && ! S_IS_DEFINED (fixp->fx_addsy))
- {
- /* The symbol is undefined. Let the linker figure it out. */
- return 0;
- }
+ if (fixp->fx_addsy != (symbolS *) NULL
+ && (! S_IS_DEFINED (fixp->fx_addsy)
+ || S_IS_WEAK (fixp->fx_addsy)
+ || (S_GET_SEGMENT (fixp->fx_addsy) != section)))
+ return 0;
+
return fixp->fx_frag->fr_address + fixp->fx_where;
}
-int
-md_apply_fix3 (fixp, valuep, seg)
- fixS * fixp;
- valueT * valuep;
- segT seg;
+void
+md_apply_fix (fixS *fixP, valueT *valueP, segT seg ATTRIBUTE_UNUSED)
{
- valueT value;
- char * where;
+ valueT value = * valueP;
+ char *where;
- if (fixp->fx_addsy == (symbolS *) NULL)
+ if (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_VTABLE_ENTRY)
{
- value = * valuep;
- fixp->fx_done = 1;
+ fixP->fx_done = 0;
+ return;
}
- else if (fixp->fx_pcrel)
- value = * valuep;
+
+ if (fixP->fx_addsy == (symbolS *) NULL)
+ fixP->fx_addnumber = value,
+ fixP->fx_done = 1;
+
+ else if (fixP->fx_pcrel)
+ fixP->fx_addnumber = fixP->fx_offset;
+
else
{
- value = fixp->fx_offset;
- if (fixp->fx_subsy != (symbolS *) NULL)
+ value = fixP->fx_offset;
+ if (fixP->fx_subsy != (symbolS *) NULL)
{
- if (S_GET_SEGMENT (fixp->fx_subsy) == absolute_section)
- value -= S_GET_VALUE (fixp->fx_subsy);
+ 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;
}
- if ((int) fixp->fx_r_type >= (int) BFD_RELOC_UNUSED)
+ if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
{
- int opindex;
- const struct v850_operand * operand;
- unsigned long insn;
+ int opindex;
+ const struct v850_operand *operand;
+ unsigned long insn;
- opindex = (int) fixp->fx_r_type - (int) BFD_RELOC_UNUSED;
- operand = & v850_operands[ opindex ];
+ opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
+ 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! */
- where = fixp->fx_frag->fr_literal + fixp->fx_where;
+ where = fixP->fx_frag->fr_literal + fixP->fx_where;
insn = bfd_getl32 ((unsigned char *) where);
insn = v850_insert_operand (insn, operand, (offsetT) value,
- fixp->fx_file, fixp->fx_line);
+ fixP->fx_file, fixP->fx_line, NULL);
bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
- if (fixp->fx_done)
- {
- /* Nothing else to do here. */
- return 1;
- }
+ if (fixP->fx_done)
+ /* Nothing else to do here. */
+ return;
- /* Determine a BFD reloc value based on the operand information.
- We are only prepared to turn a few of the operands into relocs. */
+ /* Determine a BFD reloc value based on the operand information.
+ We are only prepared to turn a few of the operands into relocs. */
if (operand->bits == 22)
- fixp->fx_r_type = BFD_RELOC_V850_22_PCREL;
+ fixP->fx_r_type = BFD_RELOC_V850_22_PCREL;
else if (operand->bits == 9)
- fixp->fx_r_type = BFD_RELOC_V850_9_PCREL;
+ fixP->fx_r_type = BFD_RELOC_V850_9_PCREL;
else
{
- /* fprintf (stderr, "bits: %d, insn: %x\n", operand->bits, insn); */
-
- as_bad_where(fixp->fx_file, fixp->fx_line,
- "unresolved expression that must be resolved");
- fixp->fx_done = 1;
- return 1;
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unresolved expression that must be resolved"));
+ fixP->fx_done = 1;
+ return;
}
}
- else if (fixp->fx_done)
+ else if (fixP->fx_done)
{
/* 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);
- }
-
- fixp->fx_addnumber = value;
- return 1;
-}
-
-\f
-/* Insert an operand value into an instruction. */
+ where = fixP->fx_frag->fr_literal + fixP->fx_where;
-static unsigned long
-v850_insert_operand (insn, operand, val, file, line)
- unsigned long insn;
- const struct v850_operand * operand;
- offsetT val;
- char *file;
- unsigned int line;
-{
- if (operand->insert)
- {
- const char * message = NULL;
-
- insn = (*operand->insert) (insn, val, & message);
- if (message != NULL)
+ if (fixP->tc_fix_data != NULL
+ && ((struct v850_operand *) fixP->tc_fix_data)->insert != NULL)
{
- if (file == (char *) NULL)
- as_warn (message);
- else
- as_warn_where (file, line, message);
+ 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 (operand->bits != 32)
+ else
{
- long min, max;
- offsetT test;
-
- if ((operand->flags & V850_OPERAND_SIGNED) != 0)
- {
- if (! warn_signed_overflows)
- max = (1 << operand->bits) - 1;
- else
- max = (1 << (operand->bits - 1)) - 1;
-
- min = - (1 << (operand->bits - 1));
- }
- else
- {
- max = (1 << operand->bits) - 1;
-
- if (! warn_unsigned_overflows)
- min = - (1 << (operand->bits - 1));
- else
- min = 0;
- }
-
- test = val;
-
- if (test < (offsetT) min || test > (offsetT) max)
- {
- const char * err = "operand out of range (%s not between %ld and %ld)";
- char buf[100];
-
- sprint_value (buf, test);
- if (file == (char *) NULL)
- as_warn (err, buf, min, max);
- else
- as_warn_where (file, line, err, buf, min, max);
- }
+ 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);
}
-
- insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift);
}
-
- return insn;
}
-
+\f
/* Parse a cons expression. We have to handle hi(), lo(), etc
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);
/* Create a fixup for a cons expression. If parse_cons_expression_v850
found a reloc prefix, then we use that reloc, else we choose an
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)
{
fix_new_exp (frag, where, size, exp, 0, hold_cons_reloc);
else
fix_new (frag, where, size, NULL, 0, 0, hold_cons_reloc);
+
+ hold_cons_reloc = BFD_RELOC_UNUSED;
+}
+
+bfd_boolean
+v850_fix_adjustable (fixS *fixP)
+{
+ if (fixP->fx_addsy == NULL)
+ return 1;
+
+ /* Don't adjust function names. */
+ if (S_IS_FUNCTION (fixP->fx_addsy))
+ return 0;
+
+ /* We need the symbol name for the VTABLE entries. */
+ if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ return 0;
+
+ return 1;
+}
+
+int
+v850_force_relocation (struct fix *fixP)
+{
+ if (fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
+ || fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP)
+ return 1;
+
+ if (v850_relax
+ && (fixP->fx_pcrel
+ || fixP->fx_r_type == BFD_RELOC_V850_ALIGN
+ || fixP->fx_r_type == BFD_RELOC_V850_22_PCREL
+ || fixP->fx_r_type == BFD_RELOC_V850_9_PCREL
+ || fixP->fx_r_type >= BFD_RELOC_UNUSED))
+ return 1;
+
+ return generic_force_reloc (fixP);
}
projects / external / binutils.git / blobdiff