aboutsummaryrefslogtreecommitdiff
path: root/gas/config/tc-v850.c
diff options
context:
space:
mode:
Diffstat (limited to 'gas/config/tc-v850.c')
-rw-r--r--gas/config/tc-v850.c310
1 files changed, 105 insertions, 205 deletions
diff --git a/gas/config/tc-v850.c b/gas/config/tc-v850.c
index 2df12aa..4959054 100644
--- a/gas/config/tc-v850.c
+++ b/gas/config/tc-v850.c
@@ -43,7 +43,8 @@ static int machine = -1;
static int processor_mask = -1;
/* Structure to hold information about predefined registers. */
-struct reg_name {
+struct reg_name
+{
const char *name;
int value;
};
@@ -69,7 +70,8 @@ const char EXP_CHARS[] = "eE";
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
-const relax_typeS md_relax_table[] = {
+const relax_typeS md_relax_table[] =
+{
/* Conditional branches. */
{0xff, -0x100, 2, 1},
{0x1fffff, -0x200000, 6, 0},
@@ -81,8 +83,10 @@ const relax_typeS md_relax_table[] = {
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;
@@ -152,20 +156,15 @@ struct v850_seg_entry v850_seg_table[] =
#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);
@@ -175,11 +174,8 @@ do_v850_seg (i, sub)
}
}
-static void v850_seg PARAMS ((int i));
-
static void
-v850_seg (i)
- int i;
+v850_seg (int i)
{
subsegT sub = get_absolute_expression ();
@@ -187,11 +183,8 @@ v850_seg (i)
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 ();
@@ -205,11 +198,8 @@ v850_offset (ignore)
/* 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;
@@ -261,11 +251,9 @@ v850_comm (area)
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);
@@ -441,8 +429,10 @@ v850_comm (area)
input_line_pointer--;
goto bad_common_segment;
}
+
while (*input_line_pointer++ != '"')
;
+
goto allocate_common;
}
@@ -466,11 +456,8 @@ v850_comm (area)
}
}
-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);
@@ -483,11 +470,8 @@ set_machine (number)
}
}
-static void v850_longcode PARAMS ((int));
-
static void
-v850_longcode (type)
- int type;
+v850_longcode (int type)
{
expressionS ex;
@@ -552,10 +536,10 @@ 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 */
+ { "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 },
@@ -588,8 +572,8 @@ static const struct reg_name pre_defined_registers[] =
{ "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 },
};
@@ -663,15 +647,11 @@ static const struct reg_name cc_names[] =
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;
@@ -683,10 +663,8 @@ reg_name_search (regs, regcount, name, accept_numbers)
/* 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);
@@ -726,11 +704,8 @@ reg_name_search (regs, regcount, name, accept_numbers)
Input_line_pointer->(next non-blank) char after operand, or is in
its original state. */
-static bfd_boolean register_name PARAMS ((expressionS *));
-
static bfd_boolean
-register_name (expressionP)
- expressionS *expressionP;
+register_name (expressionS *expressionP)
{
int reg_number;
char *name;
@@ -783,14 +758,10 @@ register_name (expressionP)
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));
-
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;
@@ -821,9 +792,7 @@ system_register_name (expressionP, accept_numbers, accept_list_names)
if (reg_number < 0
|| (reg_number > 5 && reg_number < 16)
|| reg_number > 27)
- {
- reg_number = -1;
- }
+ reg_number = -1;
}
else if (accept_list_names)
{
@@ -867,11 +836,8 @@ system_register_name (expressionP, accept_numbers, accept_list_names)
Input_line_pointer->(next non-blank) char after operand, or is in
its original state. */
-static bfd_boolean cc_name PARAMS ((expressionS *));
-
static bfd_boolean
-cc_name (expressionP)
- expressionS *expressionP;
+cc_name (expressionS *expressionP)
{
int reg_number;
char *name;
@@ -908,10 +874,8 @@ cc_name (expressionP)
}
}
-static void skip_white_space PARAMS ((void));
-
static void
-skip_white_space ()
+skip_white_space (void)
{
while (*input_line_pointer == ' '
|| *input_line_pointer == '\t')
@@ -943,23 +907,22 @@ skip_white_space ()
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 *));
-
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
};
@@ -1143,15 +1106,15 @@ parse_register_list (insn, operand)
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"));
@@ -1164,9 +1127,7 @@ md_show_usage (stream)
}
int
-md_parse_option (c, arg)
- int c;
- char *arg;
+md_parse_option (int c, char *arg)
{
if (c != 'm')
return 0;
@@ -1210,17 +1171,13 @@ md_parse_option (c, arg)
}
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];
@@ -1260,10 +1217,9 @@ md_atof (type, litp, sizep)
/* 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)
{
subseg_change (sec, 0);
@@ -1311,16 +1267,14 @@ md_convert_frag (abfd, sec, fragP)
}
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;
@@ -1394,12 +1348,8 @@ handle_lo16 (const struct v850_operand *operand)
return BFD_RELOC_LO16;
}
-static bfd_reloc_code_real_type handle_ctoff
- PARAMS ((const struct v850_operand *));
-
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;
@@ -1414,12 +1364,8 @@ handle_ctoff (operand)
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;
@@ -1440,12 +1386,8 @@ handle_sdaoff (operand)
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;
@@ -1467,31 +1409,27 @@ handle_zdaoff (operand)
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)
@@ -1502,20 +1440,16 @@ handle_tdaoff (operand)
}
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 */
+ ? 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;
@@ -1551,18 +1485,13 @@ v850_reloc_prefix (operand)
/* 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)
{
@@ -1656,8 +1585,7 @@ v850_insert_operand (insn, operand, val, file, line, str)
static char copy_of_instruction[128];
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
char *s;
char *start_of_operands;
@@ -1731,9 +1659,7 @@ md_assemble (str)
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];
@@ -1856,9 +1782,7 @@ md_assemble (str)
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)
{
@@ -1873,9 +1797,7 @@ md_assemble (str)
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)
{
@@ -1903,9 +1825,7 @@ md_assemble (str)
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)
{
@@ -1997,14 +1917,12 @@ md_assemble (str)
}
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);
@@ -2041,14 +1959,12 @@ md_assemble (str)
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:
@@ -2239,14 +2155,12 @@ md_assemble (str)
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;
@@ -2267,7 +2181,7 @@ tc_gen_reloc (seg, fixp)
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
- if (reloc->howto == (reloc_howto_type *) NULL)
+ if (reloc->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
/* xgettext:c-format */
@@ -2283,8 +2197,7 @@ tc_gen_reloc (seg, fixp)
}
void
-v850_handle_align (frag)
- fragS * frag;
+v850_handle_align (fragS * frag)
{
if (v850_relax
&& frag->fr_type == rs_align
@@ -2301,9 +2214,7 @@ v850_handle_align (frag)
/* 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 ();
@@ -2312,9 +2223,7 @@ md_estimate_size_before_relax (fragp, seg)
}
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,
@@ -2329,10 +2238,7 @@ v850_pcrel_from_section (fixp, section)
}
void
-md_apply_fix3 (fixP, valueP, seg)
- fixS *fixP;
- valueT *valueP;
- segT seg ATTRIBUTE_UNUSED;
+md_apply_fix3 (fixS *fixP, valueT *valueP, segT seg ATTRIBUTE_UNUSED)
{
valueT value = * valueP;
char *where;
@@ -2361,11 +2267,9 @@ md_apply_fix3 (fixP, valueP, seg)
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;
}
@@ -2432,8 +2336,7 @@ md_apply_fix3 (fixP, valueP, seg)
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);
@@ -2447,11 +2350,10 @@ parse_cons_expression_v850 (exp)
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)
{
@@ -2472,8 +2374,7 @@ cons_fix_new_v850 (frag, where, size, exp)
}
bfd_boolean
-v850_fix_adjustable (fixP)
- fixS *fixP;
+v850_fix_adjustable (fixS *fixP)
{
if (fixP->fx_addsy == NULL)
return 1;
@@ -2491,8 +2392,7 @@ v850_fix_adjustable (fixP)
}
int
-v850_force_relocation (fixP)
- struct fix *fixP;
+v850_force_relocation (struct fix *fixP)
{
if (fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
|| fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP)
generated by cgit v1.1 at 2024-12-22 12:25:15 +0000