FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add outputting_stabs_line_debug varaible and D10v code to use it

Browse source
This commit is contained in:
Nick Clifton 2000-12-05 00:56:09 +00:00
parent bb4e03e555
commit bccba5f08c
8 changed files with 469 additions and 385 deletions
Download patch file Download diff file Expand all files Collapse all files

92
gas/config/tc-d10v.c
View file

@ -24,6 +24,7 @@
#include "subsegs.h"
#include "opcode/d10v.h"
#include "elf/ppc.h"
//#include "read.h"
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
@ -70,8 +71,13 @@ typedef int packing_type;
#define PACK_RIGHT_LEFT (3) /* "<-" */
static packing_type etype = PACK_UNSPEC; /* Used by d10v_cleanup. */
/* True if instruction swapping warnings should be inhibited. */
static unsigned char flag_warn_suppress_instructionswap; /* --nowarnswap */
/* True if instruction swapping warnings should be inhibited.
--nowarnswap. */
static boolean flag_warn_suppress_instructionswap;
/* True if instruction packing should be performed when --gstabs is specified.
--gstabs-packing, --no-gstabs-packing. */
static boolean flag_allow_gstabs_packing = 1;
/* Local functions. */
static int reg_name_search PARAMS ((char *name));
@ -82,7 +88,7 @@ static bfd_reloc_code_real_type get_reloc PARAMS ((struct d10v_operand *op));
static int get_operands PARAMS ((expressionS exp[]));
static struct d10v_opcode *find_opcode PARAMS ((struct d10v_opcode *opcode, expressionS ops[]));
static unsigned long build_insn PARAMS ((struct d10v_opcode *opcode, expressionS *opers, unsigned long insn));
static void write_long PARAMS ((struct d10v_opcode *opcode, unsigned long insn, Fixups *fx));
static void write_long PARAMS ((unsigned long insn, Fixups *fx));
static void write_1_short PARAMS ((struct d10v_opcode *opcode, unsigned long insn, Fixups *fx));
static int write_2_short PARAMS ((struct d10v_opcode *opcode1, unsigned long insn1,
struct d10v_opcode *opcode2, unsigned long insn2, packing_type exec_type, Fixups *fx));
@ -98,6 +104,12 @@ struct option md_longopts[] =
{
#define OPTION_NOWARNSWAP (OPTION_MD_BASE)
{"nowarnswap", no_argument, NULL, OPTION_NOWARNSWAP},
#define OPTION_GSTABSPACKING (OPTION_MD_BASE + 1)
{"gstabspacking", no_argument, NULL, OPTION_GSTABSPACKING},
{"gstabs-packing", no_argument, NULL, OPTION_GSTABSPACKING},
#define OPTION_NOGSTABSPACKING (OPTION_MD_BASE + 2)
{"nogstabspacking", no_argument, NULL, OPTION_NOGSTABSPACKING},
{"no-gstabs-packing", no_argument, NULL, OPTION_NOGSTABSPACKING},
{NULL, no_argument, NULL, 0}
};
@ -184,7 +196,7 @@ check_range (num, bits, flags)
int bits;
int flags;
{
long min, max, bit1;
long min, max;
int retval = 0;
/* Don't bother checking 16-bit values. */
@ -221,7 +233,7 @@ check_range (num, bits, flags)
{
max = (1 << bits) - 1;
min = 0;
if ((num > max) || (num < min))
if (((long) num > max) || ((long) num < min))
retval = 1;
}
return retval;
@ -232,13 +244,17 @@ md_show_usage (stream)
FILE *stream;
{
fprintf (stream, _("D10V options:\n\
-O optimize. Will do some operations in parallel.\n"));
-O Optimize. Will do some operations in parallel.\n\
--gstabs-packing Pack adjacent short instructions together even\n\
when --gstabs is specified. On by default.\n\
--no-gstabs-packing If --gstabs is specified, do not pack adjacent\n\
instructions together.\n"));
}
int
md_parse_option (c, arg)
int c;
char *arg;
char *arg ATTRIBUTE_UNUSED;
{
switch (c)
{
@ -249,6 +265,12 @@ md_parse_option (c, arg)
case OPTION_NOWARNSWAP:
flag_warn_suppress_instructionswap = 1;
break;
case OPTION_GSTABSPACKING:
flag_allow_gstabs_packing = 1;
break;
case OPTION_NOGSTABSPACKING:
flag_allow_gstabs_packing = 0;
break;
default:
return 0;
}
@ -257,7 +279,7 @@ md_parse_option (c, arg)
symbolS *
md_undefined_symbol (name)
char *name;
char *name ATTRIBUTE_UNUSED;
{
return 0;
}
@ -307,9 +329,9 @@ md_atof (type, litP, sizeP)
void
md_convert_frag (abfd, sec, fragP)
bfd *abfd;
asection *sec;
fragS *fragP;
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
fragS *fragP ATTRIBUTE_UNUSED;
{
abort ();
}
@ -485,7 +507,6 @@ get_operands (exp)
/* Check for identifier@word+constant. */
if (*input_line_pointer == '-' || *input_line_pointer == '+')
{
char *orig_line = input_line_pointer;
expressionS new_exp;
expression (&new_exp);
exp[numops].X_add_number = new_exp.X_add_number;
@ -648,8 +669,7 @@ build_insn (opcode, opers, insn)
/* Write out a long form instruction. */
static void
write_long (opcode, insn, fx)
struct d10v_opcode *opcode;
write_long (insn, fx)
unsigned long insn;
Fixups *fx;
{
@ -1076,7 +1096,7 @@ md_assemble (str)
/* Assemble first instruction and save it. */
prev_insn = do_assemble (str, &prev_opcode);
if (prev_insn == -1)
if (prev_insn == (unsigned long) -1)
as_fatal (_("can't find opcode "));
fixups = fixups->next;
str = str2 + 2;
@ -1084,7 +1104,7 @@ md_assemble (str)
}
insn = do_assemble (str, &opcode);
if (insn == -1)
if (insn == (unsigned long) -1)
{
if (extype != PACK_UNSPEC)
{
@ -1107,7 +1127,7 @@ md_assemble (str)
if (extype != PACK_UNSPEC)
as_fatal (_("Unable to mix instructions as specified"));
d10v_cleanup ();
write_long (opcode, insn, fixups);
write_long (insn, fixups);
prev_opcode = NULL;
return;
}
@ -1218,7 +1238,7 @@ find_opcode (opcode, myops)
struct d10v_opcode *opcode;
expressionS myops[];
{
int i, match, done;
int i, match;
struct d10v_opcode *next_opcode;
/* Get all the operands and save them as expressions. */
@ -1458,7 +1478,7 @@ find_opcode (opcode, myops)
arelent *
tc_gen_reloc (seg, fixp)
asection *seg;
asection *seg ATTRIBUTE_UNUSED;
fixS *fixp;
{
arelent *reloc;
@ -1486,8 +1506,8 @@ tc_gen_reloc (seg, fixp)
int
md_estimate_size_before_relax (fragp, seg)
fragS *fragp;
asection *seg;
fragS *fragp ATTRIBUTE_UNUSED;
asection *seg ATTRIBUTE_UNUSED;
{
abort ();
return 0;
@ -1509,7 +1529,7 @@ int
md_apply_fix3 (fixp, valuep, seg)
fixS *fixp;
valueT *valuep;
segT seg;
segT seg ATTRIBUTE_UNUSED;
{
char *where;
unsigned long insn;
@ -1582,8 +1602,8 @@ md_apply_fix3 (fixp, valuep, seg)
rep = (struct d10v_opcode *) hash_find (d10v_hash, "rep");
repi = (struct d10v_opcode *) hash_find (d10v_hash, "repi");
if ((insn & FM11) == FM11
&& ((repi != NULL && (insn & repi->mask) == repi->opcode)
|| (rep != NULL && (insn & rep->mask) == rep->opcode))
&& ( (repi != NULL && (insn & repi->mask) == (unsigned) repi->opcode)
|| (rep != NULL && (insn & rep->mask) == (unsigned) rep->opcode))
&& value < 4)
as_fatal
(_("line %d: rep or repi must include at least 4 instructions"),
@ -1612,8 +1632,9 @@ md_apply_fix3 (fixp, valuep, seg)
return 0;
}
/* Called after the assembler has finished parsing the input file or
after a label is defined. Because the D10V assembler sometimes
/* d10v_cleanup() is called after the assembler has finished parsing
the input file, when a label is read from the input file, or when a
stab directive is output. Because the D10V assembler sometimes
saves short instructions to see if it can package them with the
next instruction, there may be a short instruction that still needs
to be written.
@ -1627,13 +1648,24 @@ d10v_cleanup ()
segT seg;
subsegT subseg;
if (prev_opcode && etype == PACK_UNSPEC)
/* If cleanup was invoked because the assembler encountered, e.g., a
user label, we write out the pending instruction, if any. If it
was invoked because the assembler is outputting a piece of line
debugging information, though, we write out the pending
instruction only if the --no-gstabs-packing command line switch
has been specified. */
if (prev_opcode
&& etype == PACK_UNSPEC
&& (! outputting_stabs_line_debug || ! flag_allow_gstabs_packing))
{
seg = now_seg;
subseg = now_subseg;
if (prev_seg)
subseg_set (prev_seg, prev_subseg);
write_1_short (prev_opcode, prev_insn, fixups->next);
subseg_set (seg, subseg);
prev_opcode = NULL;
}
@ -1644,13 +1676,11 @@ d10v_cleanup ()
/* Clobbers input_line_pointer, checks end-of-line. */
static void
d10v_dot_word (nbytes)
register int nbytes; /* 1=.byte, 2=.word, 4=.long */
d10v_dot_word (dummy)
int dummy ATTRIBUTE_UNUSED;
{
expressionS exp;
bfd_reloc_code_real_type reloc;
char *p;
int offset;
if (is_it_end_of_statement ())
{