/* tc-nds32.c -- Assemble for the nds32
- Copyright (C) 2012-2015 Free Software Foundation, Inc.
+ Copyright (C) 2012-2016 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This file is part of GAS, the GNU Assembler.
/* Suffix name and relocation. */
struct suffix_name
{
- char *suffix;
+ const char *suffix;
short unsigned int reloc;
int pic;
};
{0, 0, 0, 0}
} /* BR_RANGE_U4G */
} /* relax_fixup */
- },
- {
- NULL, /* opcode */
- 0, /* br_range */
- {{0, 0, 0, FALSE}}, /* cond_field */
- {{0}}, /* relax_code_seq */
- {{{0, 0, 0, FALSE}}}, /* relax_code_condition */
- {0}, /* relax_code_size */
- {0}, /* relax_branch_isize */
- {{{0, 0, 0, 0}}}, /* relax_fixup */
- },
+ }
};
\f
/* GAS definitions for command-line options. */
struct nds32_parse_option_table
{
const char *name; /* Option string. */
- char *help; /* Help description. */
- int (*func) (char *arg); /* How to parse it. */
+ const char *help; /* Help description. */
+ int (*func) (const char *arg); /* How to parse it. */
};
/* The value `-1' represents this option has *NOT* been set. */
#ifdef NDS32_DEFAULT_ARCH_NAME
-static char* nds32_arch_name = NDS32_DEFAULT_ARCH_NAME;
+static const char* nds32_arch_name = NDS32_DEFAULT_ARCH_NAME;
#else
-static char* nds32_arch_name = "v3";
+static const char* nds32_arch_name = "v3";
#endif
static int nds32_baseline = -1;
static int nds32_gpr16 = -1;
static int nds32_elf_flags = 0;
static int nds32_fpu_com = 0;
-static int nds32_parse_arch (char *str);
-static int nds32_parse_baseline (char *str);
-static int nds32_parse_freg (char *str);
-static int nds32_parse_abi (char *str);
+static int nds32_parse_arch (const char *str);
+static int nds32_parse_baseline (const char *str);
+static int nds32_parse_freg (const char *str);
+static int nds32_parse_abi (const char *str);
static struct nds32_parse_option_table parse_opts [] =
{
struct nds32_set_option_table
{
const char *name; /* Option string. */
- char *help; /* Help description. */
+ const char *help; /* Help description. */
int *var; /* Variable to be set. */
int value; /* Value to set. */
};
* Pseudo opcodes
*/
-typedef void (*nds32_pseudo_opcode_func) (int argc, char *argv[], int pv);
+typedef void (*nds32_pseudo_opcode_func) (int argc, char *argv[], unsigned int pv);
struct nds32_pseudo_opcode
{
const char *opcode;
int argc;
nds32_pseudo_opcode_func proc;
- int pseudo_val;
+ unsigned int pseudo_val;
/* Some instructions are not pseudo opcode, but they might still be
expanded or changed with other instruction combination for some
}
static void
-md_assemblef (char *format, ...)
+md_assemblef (const char *format, ...)
{
/* FIXME: hope this is long enough. */
char line[1024];
}
/* Some prototypes here, since some op may use another op. */
-static void do_pseudo_li_internal (char *rt, int imm32s);
+static void do_pseudo_li_internal (const char *rt, int imm32s);
static void do_pseudo_move_reg_internal (char *dst, char *src);
static void
-do_pseudo_b (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_b (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
char *arg_label = argv[0];
relaxing = TRUE;
{
md_assemblef ("sethi $ta,hi20(%s)", arg_label);
md_assemblef ("ori $ta,$ta,lo12(%s)", arg_label);
- md_assemble ("add $ta,$ta,$gp");
- md_assemble ("jr $ta");
+ md_assemble ((char *) "add $ta,$ta,$gp");
+ md_assemble ((char *) "jr $ta");
}
else
{
}
static void
-do_pseudo_bal (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bal (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
char *arg_label = argv[0];
relaxing = TRUE;
{
md_assemblef ("sethi $ta,hi20(%s)", arg_label);
md_assemblef ("ori $ta,$ta,lo12(%s)", arg_label);
- md_assemble ("add $ta,$ta,$gp");
- md_assemble ("jral $ta");
+ md_assemble ((char *) "add $ta,$ta,$gp");
+ md_assemble ((char *) "jral $ta");
}
else
{
}
static void
-do_pseudo_bge (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bge (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* rt5, ra5, label */
md_assemblef ("slt $ta,%s,%s", argv[0], argv[1]);
}
static void
-do_pseudo_bges (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bges (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* rt5, ra5, label */
md_assemblef ("slts $ta,%s,%s", argv[0], argv[1]);
}
static void
-do_pseudo_bgt (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bgt (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* bgt rt5, ra5, label */
md_assemblef ("slt $ta,%s,%s", argv[1], argv[0]);
}
static void
-do_pseudo_bgts (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bgts (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* bgt rt5, ra5, label */
md_assemblef ("slts $ta,%s,%s", argv[1], argv[0]);
}
static void
-do_pseudo_ble (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_ble (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* bgt rt5, ra5, label */
md_assemblef ("slt $ta,%s,%s", argv[1], argv[0]);
}
static void
-do_pseudo_bles (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bles (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* bgt rt5, ra5, label */
md_assemblef ("slts $ta,%s,%s", argv[1], argv[0]);
}
static void
-do_pseudo_blt (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_blt (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* rt5, ra5, label */
md_assemblef ("slt $ta,%s,%s", argv[0], argv[1]);
}
static void
-do_pseudo_blts (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_blts (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* rt5, ra5, label */
md_assemblef ("slts $ta,%s,%s", argv[0], argv[1]);
}
static void
-do_pseudo_br (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_br (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
md_assemblef ("jr %s", argv[0]);
}
static void
-do_pseudo_bral (int argc, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_bral (int argc, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
if (argc == 1)
md_assemblef ("jral $lp,%s", argv[0]);
}
static void
-do_pseudo_la (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_la (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
do_pseudo_la_internal (argv[0], argv[1], argv[argc]);
}
static void
-do_pseudo_li_internal (char *rt, int imm32s)
+do_pseudo_li_internal (const char *rt, int imm32s)
{
if (enable_16bit && imm32s <= 0xf && imm32s >= -0x10)
md_assemblef ("movi55 %s,%d", rt, imm32s);
}
static void
-do_pseudo_li (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_li (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* Validate argv[1] for constant expression. */
expressionS exp;
}
static void
-do_pseudo_ls_bhw (int argc ATTRIBUTE_UNUSED, char *argv[], int pv)
+do_pseudo_ls_bhw (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv)
{
char ls = 'r';
char size = 'x';
/* lw */
md_assemblef ("sethi $ta,hi20(%s)", argv[1]);
md_assemblef ("ori $ta,$ta,lo12(%s)", argv[1]);
- md_assemble ("lw $ta,[$gp+$ta]"); /* Load address word. */
+ md_assemble ((char *) "lw $ta,[$gp+$ta]"); /* Load address word. */
if (addend < 0x10000 && addend >= -0x10000)
{
md_assemblef ("%c%c%si %s,[$ta+(%d)]", ls, size, sign, argv[0], addend);
}
static void
-do_pseudo_ls_bhwp (int argc ATTRIBUTE_UNUSED, char *argv[], int pv)
+do_pseudo_ls_bhwp (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv)
{
char *arg_rt = argv[0];
char *arg_label = argv[1];
}
static void
-do_pseudo_ls_bhwpc (int argc ATTRIBUTE_UNUSED, char *argv[], int pv)
+do_pseudo_ls_bhwpc (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv)
{
char *arg_rt = argv[0];
char *arg_inc = argv[1];
}
static void
-do_pseudo_ls_bhwi (int argc ATTRIBUTE_UNUSED, char *argv[], int pv)
+do_pseudo_ls_bhwi (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv)
{
char ls = 'r';
char size = 'x';
}
static void
-do_pseudo_move (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_move (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
expressionS exp;
}
static void
-do_pseudo_neg (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_neg (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* Instead of "subri". */
md_assemblef ("subri %s,%s,0", argv[0], argv[1]);
}
static void
-do_pseudo_not (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_not (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
md_assemblef ("nor %s,%s,%s", argv[0], argv[1], argv[1]);
}
static void
-do_pseudo_pushpopm (int argc, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_pushpopm (int argc, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* posh/pop $ra, $rb */
/* SMW.{b | a}{i | d}{m?} Rb, [Ra], Re, Enable4 */
int rb, re, ra, en4;
int i;
- char *opc = "pushpopm";
+ const char *opc = "pushpopm";
if (argc == 3)
as_bad ("'pushm/popm $ra5, $rb5, $label' is deprecated. "
}
static void
-do_pseudo_pushpop (int argc, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_pushpop (int argc, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* push/pop $ra5, $label=$sp */
char *argvm[3];
}
static void
-do_pseudo_v3push (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_v3push (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
md_assemblef ("push25 %s,%s", argv[0], argv[1]);
}
static void
-do_pseudo_v3pop (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_v3pop (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
md_assemblef ("pop25 %s,%s", argv[0], argv[1]);
}
pv != 0, parsing "pop.s" pseudo instruction operands. */
static void
-do_pseudo_pushpop_stack (int argc, char *argv[], int pv)
+do_pseudo_pushpop_stack (int argc, char *argv[],
+ unsigned int pv)
{
/* push.s Rb,Re,{$fp $gp $lp $sp} ==> smw.adm Rb,[$sp],Re,Eable4 */
/* pop.s Rb,Re,{$fp $gp $lp $sp} ==> lmw.bim Rb,[$sp],Re,Eable4 */
int rb, re;
int en4;
int last_arg_index;
- char *opc = (pv == 0) ? "smw.adm" : "lmw.bim";
+ const char *opc = (pv == 0) ? "smw.adm" : "lmw.bim";
rb = re = 0;
}
static void
-do_pseudo_push_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_push_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
char size = 'x';
/* If users omit push location, use $sp as default value. */
}
static void
-do_pseudo_pop_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_pop_bhwd (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
char size = 'x';
/* If users omit pop location, use $sp as default value. */
}
static void
-do_pseudo_pusha (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_pusha (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* If users omit push location, use $sp as default value. */
char location[8] = "$sp"; /* 8 is enough for register name. */
}
static void
-do_pseudo_pushi (int argc ATTRIBUTE_UNUSED, char *argv[], int pv ATTRIBUTE_UNUSED)
+do_pseudo_pushi (int argc ATTRIBUTE_UNUSED, char *argv[],
+ unsigned int pv ATTRIBUTE_UNUSED)
{
/* If users omit push location, use $sp as default value. */
char location[8] = "$sp"; /* 8 is enough for register name. */
}
static struct nds32_pseudo_opcode *
-nds32_lookup_pseudo_opcode (char *str)
+nds32_lookup_pseudo_opcode (const char *str)
{
int i = 0;
/* Assume pseudo-opcode are less than 16-char in length. */
Thus, if the value of option has been set, keep the value the way it is. */
static int
-nds32_parse_arch (char *str)
+nds32_parse_arch (const char *str)
{
static const struct nds32_arch
{
/* This function parses "baseline" specified. */
static int
-nds32_parse_baseline (char *str)
+nds32_parse_baseline (const char *str)
{
if (strcmp (str, "v3") == 0)
nds32_baseline = ISA_V3;
/* This function parses "fpu-freg" specified. */
static int
-nds32_parse_freg (char *str)
+nds32_parse_freg (const char *str)
{
if (strcmp (str, "2") == 0)
nds32_freg = E_NDS32_FPU_REG_32SP_16DP;
/* This function parse "abi=" specified. */
static int
-nds32_parse_abi (char *str)
+nds32_parse_abi (const char *str)
{
if (strcmp (str, "v2") == 0)
nds32_abi = E_NDS_ABI_AABI;
recognized. This will be handled by the generic code. */
int
-nds32_parse_option (int c, char *arg)
+nds32_parse_option (int c, const char *arg)
{
struct nds32_parse_option_table *coarse_tune;
struct nds32_set_option_table *fine_tune;
- char *ptr_arg = NULL;
+ const char *ptr_arg = NULL;
switch (c)
{
char saved_char;
char *name;
int i;
- char *subtype_relax[] =
+ const char *subtype_relax[] =
{"", "", "ex9", "ifc"};
name = input_line_pointer;
relocs = hash_find (nds32_hint_hash, name);
if (relocs == NULL)
{
- relocs = malloc (sizeof (struct nds32_relocs_pattern));
+ relocs = XNEW (struct nds32_relocs_pattern);
hash_insert (nds32_hint_hash, name, relocs);
}
else
{
while (relocs->next)
relocs=relocs->next;
- relocs->next = malloc (sizeof (struct nds32_relocs_pattern));
+ relocs->next = XNEW (struct nds32_relocs_pattern);
relocs = relocs->next;
}
/* It has to build this list because there are maybe more than one
instructions relative to the same instruction. It to connect to
next instruction after md_assemble. */
- new = malloc (sizeof (struct nds32_relocs_group));
+ new = XNEW (struct nds32_relocs_group);
new->pattern = relocs;
new->next = NULL;
group = nds32_relax_hint_current;
char *name;
char saved_char;
int i;
- char *possible_flags[] = { "verbatim" };
+ const char *possible_flags[] = { "verbatim" };
/* Skip whitespaces. */
name = input_line_pointer;
md_begin (void)
{
struct nds32_keyword *k;
- relax_info_t *relax_info;
+ unsigned int i;
bfd_set_arch_mach (stdoutput, TARGET_ARCH, nds32_baseline);
/* Initial branch hash table. */
nds32_relax_info_hash = hash_new ();
- for (relax_info = relax_table; relax_info->opcode; relax_info++)
- hash_insert (nds32_relax_info_hash, relax_info->opcode, relax_info);
+ for (i = 0; i < ARRAY_SIZE (relax_table); i++)
+ hash_insert (nds32_relax_info_hash, relax_table[i].opcode,
+ &relax_table[i]);
/* Initial relax hint hash table. */
nds32_hint_hash = hash_new ();
fragS *fragP)
{
if (!reloc_ptr)
- reloc_ptr = malloc (sizeof (struct nds32_relocs_pattern));
+ reloc_ptr = XNEW (struct nds32_relocs_pattern);
reloc_ptr->seg = now_seg;
reloc_ptr->sym = sym;
reloc_ptr->frag = fragP;
/* Check X_md to transform relocation. */
static fixS*
-nds32_elf_record_fixup_exp (fragS *fragP, char *str,
+nds32_elf_record_fixup_exp (fragS *fragP, const char *str,
const struct nds32_field *fld,
expressionS *pexp, char* out,
struct nds32_asm_insn *insn)
struct nds32_hint_map
{
bfd_reloc_code_real_type hi_type;
- char *opc;
+ const char *opc;
enum nds32_relax_hint_type hint_type;
enum nds32_br_range range;
enum nds32_insn_type insn_list;
unsigned int opcode, seq_size;
enum nds32_br_range range;
struct nds32_relocs_pattern *pattern, *hi_pattern = NULL;
- char *opc = NULL;
+ const char *opc = NULL;
relax_info_t *relax_info = NULL;
nds32_relax_fixup_info_t *fixup_info, *hint_fixup;
enum nds32_relax_hint_type hint_type = NDS32_RELAX_HINT_NONE;
enum nds32_insn_type relax_type = 0;
struct nds32_hint_map *map_ptr = hint_map;
unsigned int i;
- char *check_insn[] =
+ const char *check_insn[] =
{ "bnes38", "beqs38", "bnez38", "bnezs8", "beqz38", "beqzs8" };
/* TODO: PLT GOT. */
static bfd_boolean
nds32_match_hint_insn (struct nds32_opcode *opcode, uint32_t seq)
{
- char *check_insn[] =
+ const char *check_insn[] =
{ "bnes38", "beqs38", "bnez38", "bnezs8", "beqz38", "beqzs8" };
uint32_t insn = opcode->value;
unsigned int i;
/* Check instruction if it can be used for the baseline. */
static bfd_boolean
-nds32_check_insn_available (struct nds32_asm_insn insn, char *str)
+nds32_check_insn_available (struct nds32_asm_insn insn, const char *str)
{
int attr = insn.attr & ATTR_ALL;
static int baseline_isa = 0;
md_assemble (char *str)
{
struct nds32_asm_insn insn;
+ expressionS expr;
char *out;
struct nds32_pseudo_opcode *popcode;
const struct nds32_field *fld = NULL;
}
label_exist = 0;
- insn.info = (expressionS *) alloca (sizeof (expressionS));
+ insn.info = & expr;
asm_desc.result = NASM_OK;
nds32_assemble (&asm_desc, &insn, str);
{
int align = bfd_get_section_alignment (stdoutput, segment);
- return ((size + (1 << align) - 1) & (-1 << align));
+ return ((size + (1 << align) - 1) & -(1 << align));
}
/* GAS will call this function when a symbol table lookup fails, before it
{
addressT mask, new_address;
- mask = ~((~0) << align);
+ mask = ~((~0U) << align);
new_address = (address + mask) & (~mask);
return (new_address - address);
}
/* This function is called to convert an ASCII string into a floating point
value in format used by the CPU. */
-char *
+const char *
md_atof (int type, char *litP, int *sizeP)
{
int i;
arelent *reloc;
bfd_reloc_code_real_type code;
- reloc = (arelent *) xmalloc (sizeof (arelent));
+ reloc = XNEW (arelent);
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
reloc->address = fixP->fx_frag->fr_address + fixP->fx_where;
projects / deliverable / binutils-gdb.git / blobdiff