/* tc-rx.c -- Assembler for the Renesas RX
- Copyright (C) 2008-2015 Free Software Foundation, Inc.
+ Copyright (C) 2008-2021 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
02110-1301, USA. */
#include "as.h"
-#include "struc-symbol.h"
#include "safe-ctype.h"
#include "dwarf2dbg.h"
-#include "libbfd.h"
#include "elf/common.h"
#include "elf/rx.h"
#include "rx-defs.h"
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD";
\f
-/* ELF flags to set in the output file header. */
+#ifndef TE_LINUX
+bfd_boolean rx_use_conventional_section_names = FALSE;
static int elf_flags = E_FLAG_RX_ABI;
+#else
+bfd_boolean rx_use_conventional_section_names = TRUE;
+static int elf_flags;
+#endif
-bfd_boolean rx_use_conventional_section_names = FALSE;
static bfd_boolean rx_use_small_data_limit = FALSE;
-
static bfd_boolean rx_pid_mode = FALSE;
static int rx_num_int_regs = 0;
int rx_pid_register;
};
size_t md_longopts_size = sizeof (md_longopts);
+struct cpu_type
+{
+ const char *cpu_name;
+ enum rx_cpu_types type;
+ int flag;
+};
+
+struct cpu_type cpu_type_list[] =
+{
+ {"rx100", RX100, 0},
+ {"rx200", RX200, 0},
+ {"rx600", RX600, 0},
+ {"rx610", RX610, 0},
+ {"rxv2", RXV2, E_FLAG_RX_V2},
+ {"rxv3", RXV3, E_FLAG_RX_V3},
+ {"rxv3-dfpu", RXV3FPU, E_FLAG_RX_V3},
+};
+
int
-md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED)
+md_parse_option (int c ATTRIBUTE_UNUSED, const char * arg ATTRIBUTE_UNUSED)
{
switch (c)
{
return 1;
case OPTION_CPU:
- if (strcasecmp (arg, "rx100") == 0)
- rx_cpu = RX100;
- else if (strcasecmp (arg, "rx200") == 0)
- rx_cpu = RX200;
- else if (strcasecmp (arg, "rx600") == 0)
- rx_cpu = RX600;
- else if (strcasecmp (arg, "rx610") == 0)
- rx_cpu = RX610;
- else
- {
- as_warn (_("unrecognised RX CPU type %s"), arg);
- break;
- }
- return 1;
+ {
+ unsigned int i;
+ for (i = 0; i < ARRAY_SIZE (cpu_type_list); i++)
+ {
+ if (strcasecmp (arg, cpu_type_list[i].cpu_name) == 0)
+ {
+ rx_cpu = cpu_type_list[i].type;
+ elf_flags |= cpu_type_list[i].flag;
+ return 1;
+ }
+ }
+ as_warn (_("unrecognised RX CPU type %s"), arg);
+ break;
+ }
case OPTION_DISALLOW_STRING_INSNS:
elf_flags |= E_FLAG_RX_SINSNS_SET | E_FLAG_RX_SINSNS_NO;
return 1;
}
+
return 0;
}
fprintf (stream, _(" --mrelax\n"));
fprintf (stream, _(" --mpid\n"));
fprintf (stream, _(" --mint-register=<value>\n"));
- fprintf (stream, _(" --mcpu=<rx100|rx200|rx600|rx610>\n"));
+ fprintf (stream, _(" --mcpu=<rx100|rx200|rx600|rx610|rxv2|rxv3|rxv3-dfpu>\n"));
fprintf (stream, _(" --mno-allow-string-insns"));
}
FILE * try;
char * path;
char * filename;
- char * current_filename;
+ const char * current_filename;
char * last_char;
- char * p;
- char * d;
+ const char * p;
+ const char * d;
char * f;
char end_char;
size_t len;
return;
}
- as_where (& current_filename, NULL);
- f = (char *) xmalloc (strlen (current_filename) + strlen (filename) + 1);
+ current_filename = as_where (NULL);
+ f = XNEWVEC (char, strlen (current_filename) + strlen (filename) + 1);
/* Check the filename. If [@]..FILE[@] is found then replace
this with the current assembler source filename, stripped
of any directory prefixes or extensions. */
if ((p = rx_strcasestr (filename, "..file")) != NULL)
{
- char * c;
+ const char * c;
len = 6; /* strlen ("..file"); */
3. Try any directories specified by the -I command line
option(s).
- 4 .Try a directory specifed by the INC100 environment variable. */
+ 4 .Try a directory specified by the INC100 environment variable. */
if (IS_ABSOLUTE_PATH (f))
try = fopen (path = f, FOPEN_RT);
if (env && strlen (env) > len)
len = strlen (env);
- path = (char *) xmalloc (strlen (f) + len + 5);
+ path = XNEWVEC (char, strlen (f) + len + 5);
if (current_filename != NULL)
{
obj_elf_change_section (name, type, attr, 0, NULL, FALSE, FALSE);
}
- bfd_set_section_alignment (stdoutput, now_seg, align);
+ bfd_set_section_alignment (now_seg, align);
}
static void
if (*p != '"' && *p != '#')
{
- char * name = (char *) xmalloc (len + 1);
-
- strncpy (name, input_line_pointer, len);
- name[len] = 0;
+ char *name = xmemdup0 (input_line_pointer, len);
input_line_pointer = p;
parse_rx_section (name);
static void
rx_rept (int ignore ATTRIBUTE_UNUSED)
{
- int count = get_absolute_expression ();
+ size_t count = get_absolute_expression ();
do_repeat_with_expander (count, "MREPEAT", "ENDR", "..MACREP");
}
fixS * fixP;
} fixups[2];
int n_fixups;
+ char post[1];
+ int n_post;
struct
{
char type;
int n_relax;
int link_relax;
fixS *link_relax_fixP;
- char times_grown;
- char times_shrank;
+ unsigned long times_grown;
+ unsigned long times_shrank;
} rx_bytesT;
static rx_bytesT rx_bytes;
rx_bytes.base[1] |= (val ) & 0x0f;
}
+void
+rx_bfield(expressionS s, expressionS d, expressionS w)
+{
+ int slsb = s.X_add_number;
+ int dlsb = d.X_add_number;
+ int width = w.X_add_number;
+ unsigned int imm =
+ (((dlsb + width) & 0x1f) << 10 | (dlsb << 5) |
+ ((dlsb - slsb) & 0x1f));
+ if ((slsb + width) > 32)
+ as_warn (_("Value %d and %d out of range"), slsb, width);
+ if ((dlsb + width) > 32)
+ as_warn (_("Value %d and %d out of range"), dlsb, width);
+ rx_bytes.ops[0] = imm & 0xff;
+ rx_bytes.ops[1] = (imm >> 8);
+ rx_bytes.n_ops = 2;
+}
+
#define OP(x) rx_bytes.ops[rx_bytes.n_ops++] = (x)
#define F_PRECISION 2
}
}
+void rx_post(char byte)
+{
+ rx_bytes.post[rx_bytes.n_post++] = byte;
+}
+
int
rx_wrap (void)
{
{
if (rx_bytes.n_relax || rx_bytes.link_relax || rx_bytes.n_base < 0)
{
- fragP->tc_frag_data = malloc (sizeof (rx_bytesT));
+ fragP->tc_frag_data = XNEW (rx_bytesT);
memcpy (fragP->tc_frag_data, & rx_bytes, sizeof (rx_bytesT));
}
else
if (dot == NULL || dot == str)
return FALSE;
- /* A real pseudo-op must be preceeded by whitespace. */
+ /* A real pseudo-op must be preceded by whitespace. */
if (dot[-1] != ' ' && dot[-1] != '\t')
return FALSE;
0 /* offset */,
0 /* opcode */);
frag_then->fr_opcode = bytes;
- frag_then->fr_fix += rx_bytes.n_base + rx_bytes.n_ops;
- frag_then->fr_subtype = rx_bytes.n_base + rx_bytes.n_ops;
+ frag_then->fr_fix += rx_bytes.n_base + rx_bytes.n_ops + rx_bytes.n_post;
+ frag_then->fr_subtype = rx_bytes.n_base + rx_bytes.n_ops + rx_bytes.n_post;
}
else
{
- bytes = frag_more (rx_bytes.n_base + rx_bytes.n_ops);
+ bytes = frag_more (rx_bytes.n_base + rx_bytes.n_ops + rx_bytes.n_post);
frag_then = frag_now;
if (fetchalign_bytes)
- fetchalign_bytes->n_ops = rx_bytes.n_base + rx_bytes.n_ops;
+ fetchalign_bytes->n_ops = rx_bytes.n_base + rx_bytes.n_ops + rx_bytes.n_post;
}
fetchalign_bytes = NULL;
APPEND (base, n_base);
APPEND (ops, n_ops);
+ APPEND (post, n_post);
if (rx_bytes.link_relax && rx_bytes.n_fixups)
{
if (frag_then->tc_frag_data)
frag_then->tc_frag_data->fixups[i].fixP = f;
}
-
dwarf2_emit_insn (idx);
}
static struct
{
- char * fname;
+ const char * fname;
int reloc;
}
reloc_functions[] =
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));
}
/* NOP - 1 cycle */
}
}
-char *
+const char *
md_atof (int type, char * litP, int * sizeP)
{
return ieee_md_atof (type, litP, sizeP, target_big_endian);
/* Estimate how big the opcode is after this relax pass. The return
value is the difference between fr_fix and the actual size. We
compute the total size in rx_relax_frag and store it in fr_subtype,
- sowe only need to subtract fx_fix and return it. */
+ so we only need to subtract fx_fix and return it. */
int
md_estimate_size_before_relax (fragS * fragP ATTRIBUTE_UNUSED, segT segment ATTRIBUTE_UNUSED)
fr_subtype to calculate the difference. */
int
-rx_relax_frag (segT segment ATTRIBUTE_UNUSED, fragS * fragP, long stretch)
+rx_relax_frag (segT segment ATTRIBUTE_UNUSED, fragS * fragP, long stretch, unsigned long max_iterations)
{
addressT addr0, sym_addr;
addressT mypc;
if (fragP->fr_subtype >= next_size)
fragP->fr_subtype = 0;
tprintf ("\033[34m -> mypc %lu next_size %u new %d old %d delta %d (fetchalign)\033[0m\n",
- mypc & 7,
+ (unsigned long) (mypc & 7),
next_size, fragP->fr_subtype, oldsize, fragP->fr_subtype-oldsize);
newsize = fragP->fr_subtype;
/* This prevents infinite loops in align-heavy sources. */
if (newsize < oldsize)
{
- if (fragP->tc_frag_data->times_shrank > 10
- && fragP->tc_frag_data->times_grown > 10)
- newsize = oldsize;
+ /* Make sure that our iteration limit is no bigger than the one being
+ used inside write.c:relax_segment(). Otherwise we can end up
+ iterating for too long, and triggering a fatal error there. See
+ PR 24464 for more details. */
+ unsigned long limit = max_iterations > 10 ? 10 : max_iterations;
+
+ if (fragP->tc_frag_data->times_shrank > limit
+ && fragP->tc_frag_data->times_grown > limit)
+ newsize = oldsize;
+
if (fragP->tc_frag_data->times_shrank < 20)
fragP->tc_frag_data->times_shrank ++;
}
rx_bytesT * rxb = fragP->tc_frag_data;
addressT addr0, mypc;
int disp;
- int reloc_type, reloc_adjust;
+ int reloc_adjust;
+ bfd_reloc_code_real_type reloc_type;
char * op = fragP->fr_opcode;
int keep_reloc = 0;
int ri;
case BFD_RELOC_RX_32_OP:
fix->fx_size = 4;
break;
+ default:
+ break;
}
}
fragP->fr_var = 0;
if (fragP->fr_next != NULL
- && ((offsetT) (fragP->fr_next->fr_address - fragP->fr_address)
- != fragP->fr_fix))
+ && fragP->fr_next->fr_address - fragP->fr_address != fragP->fr_fix)
as_bad (_("bad frag at %p : fix %ld addr %ld %ld \n"), fragP,
(long) fragP->fr_fix,
(long) fragP->fr_address, (long) fragP->fr_next->fr_address);
case BFD_RELOC_RX_GPRELL:
val >>= 1;
+ /* Fall through. */
case BFD_RELOC_RX_GPRELW:
val >>= 1;
+ /* Fall through. */
case BFD_RELOC_RX_GPRELB:
#if RX_OPCODE_BIG_ENDIAN
op[1] = val & 0xff;
fixp->fx_subsy = NULL;
}
- reloc[0] = (arelent *) xmalloc (sizeof (arelent));
- reloc[0]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc[0] = XNEW (arelent);
+ reloc[0]->sym_ptr_ptr = XNEW (asymbol *);
* reloc[0]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc[0]->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc[0]->addend = fixp->fx_offset;
case BFD_RELOC_RX_DIFF:
reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[1] = (arelent *) xmalloc (sizeof (arelent));
- reloc[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc[1] = XNEW (arelent);
+ reloc[1]->sym_ptr_ptr = XNEW (asymbol *);
* reloc[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy);
reloc[1]->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc[1]->addend = 0;
reloc[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[2] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[2] = XNEW (arelent);
reloc[2]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_OP_SUBTRACT);
reloc[2]->addend = 0;
reloc[2]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
reloc[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc[3] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[3] = XNEW (arelent);
switch (fixp->fx_size)
{
case 1:
case BFD_RELOC_RX_GPRELL:
reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[1] = (arelent *) xmalloc (sizeof (arelent));
- reloc[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc[1] = XNEW (arelent);
+ reloc[1]->sym_ptr_ptr = XNEW (asymbol *);
if (gp_symbol == NULL)
{
if (symbol_table_frozen)
reloc[1]->addend = 0;
reloc[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[2] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[2] = XNEW (arelent);
reloc[2]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_OP_SUBTRACT);
reloc[2]->addend = 0;
reloc[2]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
reloc[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc[3] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[3] = XNEW (arelent);
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16UL);
reloc[3]->addend = 0;
reloc[3]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
case BFD_RELOC_RX_GPRELW:
reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[1] = (arelent *) xmalloc (sizeof (arelent));
- reloc[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc[1] = XNEW (arelent);
+ reloc[1]->sym_ptr_ptr = XNEW (asymbol *);
if (gp_symbol == NULL)
{
if (symbol_table_frozen)
reloc[1]->addend = 0;
reloc[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[2] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[2] = XNEW (arelent);
reloc[2]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_OP_SUBTRACT);
reloc[2]->addend = 0;
reloc[2]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
reloc[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc[3] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[3] = XNEW (arelent);
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16UW);
reloc[3]->addend = 0;
reloc[3]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
case BFD_RELOC_RX_GPRELB:
reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[1] = (arelent *) xmalloc (sizeof (arelent));
- reloc[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc[1] = XNEW (arelent);
+ reloc[1]->sym_ptr_ptr = XNEW (asymbol *);
if (gp_symbol == NULL)
{
if (symbol_table_frozen)
reloc[1]->addend = 0;
reloc[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[2] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[2] = XNEW (arelent);
reloc[2]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_OP_SUBTRACT);
reloc[2]->addend = 0;
reloc[2]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
reloc[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc[3] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[3] = XNEW (arelent);
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16U);
reloc[3]->addend = 0;
reloc[3]->sym_ptr_ptr = reloc[1]->sym_ptr_ptr;
case BFD_RELOC_RX_NEG32:
reloc[0]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_SYM);
- reloc[1] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[1] = XNEW (arelent);
reloc[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_OP_NEG);
reloc[1]->addend = 0;
reloc[1]->sym_ptr_ptr = reloc[0]->sym_ptr_ptr;
reloc[1]->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc[2] = (arelent *) xmalloc (sizeof (arelent));
+ reloc[2] = XNEW (arelent);
reloc[2]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS32);
reloc[2]->addend = 0;
reloc[2]->sym_ptr_ptr = reloc[0]->sym_ptr_ptr;
elf_elfheader (stdoutput)->e_flags |= elf_flags;
}
-/* Scan the current input line for occurances of Renesas
+/* Scan the current input line for occurrences of Renesas
local labels and replace them with the GAS version. */
void
int in_single_quote = 0;
int done = 0;
char * p = input_line_pointer;
+ char prev_char = 0;
/* Scan the line looking for question marks. Skip past quote enclosed regions. */
do
break;
case '"':
- in_double_quote = ! in_double_quote;
+ /* Handle escaped double quote \" inside a string. */
+ if (prev_char != '\\')
+ in_double_quote = ! in_double_quote;
break;
case '\'':
break;
}
- p ++;
+ prev_char = *p++;
}
while (! done);
}
projects / thirdparty / binutils-gdb.git / blobdiff