/* tc-m32c.c -- Assembler for the Renesas M32C.
- Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation.
+ Copyright (C) 2005-2021 Free Software Foundation, Inc.
Contributed by RedHat.
This file is part of GAS, the GNU Assembler.
GNU General Public License for more details.
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. */
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#include "as.h"
-#include "subsegs.h"
+#include "subsegs.h"
#include "symcat.h"
#include "opcodes/m32c-desc.h"
#include "opcodes/m32c-opc.h"
#include "cgen.h"
#include "elf/common.h"
#include "elf/m32c.h"
-#include "libbfd.h"
#include "safe-ctype.h"
/* Structure to hold all of the different components
static unsigned long m32c_mach = bfd_mach_m16c;
static int cpu_mach = (1 << MACH_M16C);
-static int insn_size;
static int m32c_relax = 0;
/* Flags to set in the elf header */
static void s_bss (int);
int
-md_parse_option (int c, char * arg ATTRIBUTE_UNUSED)
+md_parse_option (int c, const char * arg ATTRIBUTE_UNUSED)
{
switch (c)
{
md_show_usage (FILE * stream)
{
fprintf (stream, _(" M32C specific command line options:\n"));
-}
+}
static void
s_bss (int ignore ATTRIBUTE_UNUSED)
{ "bss", s_bss, 0},
{ "3byte", cons, 3 },
{ "word", cons, 4 },
- {"file", (void (*) (int)) dwarf2_directive_file, 0},
- {"loc", dwarf2_directive_loc, 0},
- {"loc_mark_labels", dwarf2_directive_loc_mark_labels, 0},
{ NULL, NULL, 0 }
};
/* Set the machine type */
bfd_default_set_arch_mach (stdoutput, bfd_arch_m32c, m32c_mach);
-
- insn_size = 0;
-}
-
-void
-m32c_md_end (void)
-{
- int i, n_nops;
-
- if (bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE)
- {
- /* Pad with nops for objdump. */
- n_nops = (32 - ((insn_size) % 32)) / 8;
- for (i = 1; i <= n_nops; i++)
- md_assemble ("nop");
- }
}
void
if (s[0] == '[' && s[1] == '[')
indirection[operand] = relative;
}
-
+
if (indirection[1] == none && indirection[2] == none)
return FALSE;
-
+
operand = 1;
ns_len = strlen (str);
- new_str = (char*) xmalloc (ns_len);
+ new_str = XNEWVEC (char, ns_len);
ns = new_str;
ns_end = ns + ns_len;
-
+
for (s = str; *s; s++)
{
if (s[0] == ',')
operand = 2;
-
+
if (s[0] == '[' && ! brace_n[operand])
{
brace_n[operand] += 1;
if (indirection[operand] != none)
continue;
}
-
+
else if (s[0] == '[' && brace_n[operand])
{
brace_n[operand] += 1;
{
fprintf (stderr, "Unmatched [[operand-%d]] %d\n", operand, brace_n[operand]);
}
-
+
if (indirection[1] != none && indirection[2] != none)
- md_assemble ("src-dest-indirect");
+ md_assemble ((char *) "src-dest-indirect");
else if (indirection[1] != none)
- md_assemble ("src-indirect");
+ md_assemble ((char *) "src-indirect");
else if (indirection[2] != none)
- md_assemble ("dest-indirect");
+ md_assemble ((char *) "dest-indirect");
md_assemble (new_str);
free (new_str);
char * errmsg;
finished_insnS results;
int rl_type;
+ int insn_size;
if (m32c_mach == bfd_mach_m32c && m32c_indirect_operand (str))
return;
insn.insn = m32c_cgen_assemble_insn
(gas_cgen_cpu_desc, str, & insn.fields, insn.buffer, & errmsg);
-
+
if (!insn.insn)
{
as_bad ("%s", errmsg);
last_insn_had_delay_slot
= CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_DELAY_SLOT);
+ (void) last_insn_had_delay_slot;
insn_size = CGEN_INSN_BITSIZE(insn.insn);
rl_type = rl_for (insn);
/* The syntax in the manual says constants begin with '#'.
We just ignore it. */
-void
+void
md_operand (expressionS * exp)
{
/* In case of a syntax error, escape back to try next syntax combo. */
valueT
md_section_align (segT segment, valueT size)
{
- int align = bfd_get_section_alignment (stdoutput, segment);
- return ((size + (1 << align) - 1) & (-1 << align));
+ int align = bfd_section_alignment (segment);
+ return ((size + (1 << align) - 1) & -(1 << align));
}
symbolS *
M32C_MACRO_ADJNZ_3,
M32C_MACRO_ADJNZ_4,
M32C_MACRO_ADJNZ_5,
-} M32C_Macros;
+};
static struct {
int insn;
}
return subtype_mappings[fragP->fr_subtype].bytes - (fragP->fr_fix - where);
-}
+}
/* *fragP has been relaxed to its final size, and now needs to have
the bytes inside it modified to conform to the new size.
{
int addend;
int operand;
- int new_insn;
int where = fragP->fr_opcode - fragP->fr_literal;
int rl_where = fragP->fr_opcode - fragP->fr_literal;
unsigned char *op = (unsigned char *)fragP->fr_opcode;
- int op_base = 0;
- int op_op = 0;
int rl_addend = 0;
addend = target_address_for (fragP) - (fragP->fr_address + where);
- new_insn = subtype_mappings[fragP->fr_subtype].insn;
fragP->fr_fix = where + subtype_mappings[fragP->fr_subtype].bytes;
- op_base = 0;
-
switch (subtype_mappings[fragP->fr_subtype].insn)
{
case M32C_INSN_JCND16_5:
op[1] = addend - 1;
operand = M32C_OPERAND_LAB_8_8;
- op_op = 1;
rl_addend = 0x21;
break;
op[4] = (addend - 3) >> 8;
operand = M32C_OPERAND_LAB_8_16;
where += 2;
- new_insn = M32C_INSN_JMP16_W;
- op_base = 2;
- op_op = 3;
rl_addend = 0x51;
break;
op[2] = 0xfc;
operand = M32C_OPERAND_LAB_8_24;
where += 2;
- new_insn = M32C_INSN_JMP16_A;
- op_base = 2;
- op_op = 3;
rl_addend = 0x61;
break;
case M32C_INSN_JCND16:
op[2] = addend - 2;
operand = M32C_OPERAND_LAB_16_8;
- op_base = 0;
- op_op = 2;
rl_addend = 0x31;
break;
op[5] = (addend - 4) >> 8;
operand = M32C_OPERAND_LAB_8_16;
where += 3;
- new_insn = M32C_INSN_JMP16_W;
- op_base = 3;
- op_op = 4;
rl_addend = 0x61;
break;
op[3] = 0xfc;
operand = M32C_OPERAND_LAB_8_24;
where += 3;
- new_insn = M32C_INSN_JMP16_A;
- op_base = 3;
- op_op = 4;
rl_addend = 0x71;
break;
case M32C_INSN_JMP16_S:
op[0] = 0x60 | ((addend-2) & 0x07);
operand = M32C_OPERAND_LAB_5_3;
- op_base = 0;
- op_op = 0;
rl_addend = 0x10;
break;
op[0] = 0xfe;
op[1] = addend - 1;
operand = M32C_OPERAND_LAB_8_8;
- op_base = 0;
- op_op = 1;
rl_addend = 0x21;
break;
op[1] = addend - 1;
op[2] = (addend - 1) >> 8;
operand = M32C_OPERAND_LAB_8_16;
- op_base = 0;
- op_op = 1;
rl_addend = 0x31;
break;
op[2] = 0;
op[3] = 0;
operand = M32C_OPERAND_LAB_8_24;
- op_base = 0;
- op_op = 1;
rl_addend = 0x41;
break;
case M32C_INSN_JCND32:
op[1] = addend - 1;
operand = M32C_OPERAND_LAB_8_8;
- op_base = 0;
- op_op = 1;
rl_addend = 0x21;
break;
op[4] = (addend - 3) >> 8;
operand = M32C_OPERAND_LAB_8_16;
where += 2;
- new_insn = M32C_INSN_JMP32_W;
- op_base = 2;
- op_op = 3;
rl_addend = 0x51;
break;
op[2] = 0xcc;
operand = M32C_OPERAND_LAB_8_24;
where += 2;
- new_insn = M32C_INSN_JMP32_A;
- op_base = 2;
- op_op = 3;
rl_addend = 0x61;
break;
-
-
case M32C_INSN_JMP32_S:
addend = ((addend-2) & 0x07);
op[0] = 0x4a | (addend & 0x01) | ((addend << 3) & 0x30);
operand = M32C_OPERAND_LAB32_JMP_S;
- op_base = 0;
- op_op = 0;
rl_addend = 0x10;
break;
op[0] = 0xbb;
op[1] = addend - 1;
operand = M32C_OPERAND_LAB_8_8;
- op_base = 0;
- op_op = 1;
rl_addend = 0x21;
break;
op[1] = addend - 1;
op[2] = (addend - 1) >> 8;
operand = M32C_OPERAND_LAB_8_16;
- op_base = 0;
- op_op = 1;
rl_addend = 0x31;
break;
op[2] = 0;
op[3] = 0;
operand = M32C_OPERAND_LAB_8_24;
- op_base = 0;
- op_op = 1;
rl_addend = 0x41;
break;
op[1] = addend - 1;
op[2] = (addend - 1) >> 8;
operand = M32C_OPERAND_LAB_8_16;
- op_base = 0;
- op_op = 1;
rl_addend = 0x31;
break;
op[2] = 0;
op[3] = 0;
operand = M32C_OPERAND_LAB_8_24;
- op_base = 0;
- op_op = 1;
rl_addend = 0x41;
break;
op[1] = addend - 1;
op[2] = (addend - 1) >> 8;
operand = M32C_OPERAND_LAB_8_16;
- op_base = 0;
- op_op = 1;
rl_addend = 0x31;
break;
op[2] = 0;
op[3] = 0;
operand = M32C_OPERAND_LAB_8_24;
- op_base = 0;
- op_op = 1;
rl_addend = 0x41;
break;
operand = M32C_OPERAND_LAB_40_8;
break;
-
default:
printf("\nHey! Need more opcode converters! missing: %d %s\n\n",
fragP->fr_subtype,
|| (m32c_relax && (operand != M32C_OPERAND_LAB_5_3
&& operand != M32C_OPERAND_LAB32_JMP_S)))
{
- fixS *fixP;
- assert (fragP->fr_cgen.insn != 0);
- fixP = gas_cgen_record_fixup (fragP,
- where,
- fragP->fr_cgen.insn,
- (fragP->fr_fix - where) * 8,
- cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
- operand),
- fragP->fr_cgen.opinfo,
- fragP->fr_symbol, fragP->fr_offset);
+ gas_assert (fragP->fr_cgen.insn != 0);
+ gas_cgen_record_fixup (fragP,
+ where,
+ fragP->fr_cgen.insn,
+ (fragP->fr_fix - where) * 8,
+ cgen_operand_lookup_by_num (gas_cgen_cpu_desc,
+ operand),
+ fragP->fr_cgen.opinfo,
+ fragP->fr_symbol,
+ fragP->fr_offset);
}
}
\f
m32c_cons_fix_new (fragS * frag,
int where,
int size,
- expressionS *exp)
+ expressionS *exp,
+ bfd_reloc_code_real_type type)
{
- bfd_reloc_code_real_type type;
-
switch (size)
{
case 1:
|| fx->fx_r_type == BFD_RELOC_M32C_RL_2ADDR)
{
arelent * reloc;
-
- reloc = xmalloc (sizeof (* reloc));
-
- reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
+
+ reloc = XNEW (arelent);
+
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fx->fx_addsy);
reloc->address = fx->fx_frag->fr_address + fx->fx_where;
reloc->howto = bfd_reloc_type_lookup (stdoutput, fx->fx_r_type);
type, and store the appropriate bytes in *litP. The number of LITTLENUMS
emitted is stored in *sizeP . An error message is returned, or NULL on OK. */
-/* Equal to MAX_PRECISION in atof-ieee.c. */
-#define MAX_LITTLENUMS 6
-
-char *
+const char *
md_atof (int type, char * litP, int * sizeP)
{
return ieee_md_atof (type, litP, sizeP, TRUE);
}
/* Worker function for m32c_is_colon_insn(). */
-static char
-restore_colon (int advance_i_l_p_by)
+static int
+restore_colon (char *next_i_l_p, char *nul_char)
{
- char c;
-
/* Restore the colon, and advance input_line_pointer to
the end of the new symbol. */
- * input_line_pointer = ':';
- input_line_pointer += advance_i_l_p_by;
- c = * input_line_pointer;
- * input_line_pointer = 0;
-
- return c;
+ *input_line_pointer = *nul_char;
+ input_line_pointer = next_i_l_p;
+ *nul_char = *next_i_l_p;
+ *next_i_l_p = 0;
+ return 1;
}
/* Determines if the symbol starting at START and ending in
(but which has now been replaced bu a NUL) is in fact an
:Z, :S, :Q, or :G suffix.
If it is, then it restores the colon, advances INPUT_LINE_POINTER
- to the real end of the instruction/symbol, and returns the character
- that really terminated the symbol. Otherwise it returns 0. */
-char
-m32c_is_colon_insn (char *start ATTRIBUTE_UNUSED)
+ to the real end of the instruction/symbol, saves the char there to
+ NUL_CHAR and pokes a NUL, and returns 1. Otherwise it returns 0. */
+int
+m32c_is_colon_insn (char *start ATTRIBUTE_UNUSED, char *nul_char)
{
char * i_l_p = input_line_pointer;
+ if (*nul_char == '"')
+ ++i_l_p;
+
/* Check to see if the text following the colon is 'G' */
if (TOLOWER (i_l_p[1]) == 'g' && (i_l_p[2] == ' ' || i_l_p[2] == '\t'))
- return restore_colon (2);
+ return restore_colon (i_l_p + 2, nul_char);
/* Check to see if the text following the colon is 'Q' */
if (TOLOWER (i_l_p[1]) == 'q' && (i_l_p[2] == ' ' || i_l_p[2] == '\t'))
- return restore_colon (2);
+ return restore_colon (i_l_p + 2, nul_char);
/* Check to see if the text following the colon is 'S' */
if (TOLOWER (i_l_p[1]) == 's' && (i_l_p[2] == ' ' || i_l_p[2] == '\t'))
- return restore_colon (2);
+ return restore_colon (i_l_p + 2, nul_char);
/* Check to see if the text following the colon is 'Z' */
if (TOLOWER (i_l_p[1]) == 'z' && (i_l_p[2] == ' ' || i_l_p[2] == '\t'))
- return restore_colon (2);
+ return restore_colon (i_l_p + 2, nul_char);
return 0;
}
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