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binutils-gdb
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Brought up to date with respect to the branch

This commit is contained in:
Nick Clifton 1997-12-03 01:13:08 +00:00
parent 193e528cd4
commit d4b2cc56c0
3 changed files with 152 additions and 71 deletions
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4
gas/ChangeLog
View File

@ -1,3 +1,7 @@
Tue Dec 2 17:05:13 1997 Nick Clifton <nickc@cygnus.com>
* config/tc-v850.c: Brought up to date with the branch.
Mon Dec 1 20:24:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* config/tc-sh.c (SWITCH_TABLE_CONS): Handle (fix)->fx_size == 1.

211
gas/config/tc-v850.c
View File

@ -559,7 +559,6 @@ static const struct reg_name pre_defined_registers[] =
static const struct reg_name system_registers[] =
{
/* start-sanitize-v850e */
{ "ctbp", 20 },
{ "ctpc", 16 },
{ "ctpsw", 17 },
@ -575,6 +574,15 @@ static const struct reg_name system_registers[] =
};
#define SYSREG_NAME_CNT (sizeof (system_registers) / sizeof (struct reg_name))
/* start-sanitize-v850e */
static const struct reg_name system_list_registers[] =
{
{"PS", 5 },
{"SR", 0 + 1}
};
#define SYSREGLIST_NAME_CNT (sizeof (system_list_registers) / sizeof (struct reg_name))
/* end-sanitize-v850e */
static const struct reg_name cc_names[] =
{
{ "c", 0x1 },
@ -607,14 +615,34 @@ static const struct reg_name cc_names[] =
number from the array on success, or -1 on failure. */
static int
reg_name_search (regs, regcount, name)
reg_name_search (regs, regcount, name, accept_numbers)
const struct reg_name * regs;
int regcount;
const char * name;
boolean accept_numbers;
{
int middle, low, high;
int cmp;
symbolS * symbolP;
/* If the register name is a symbol, then evaluate it. */
if ((symbolP = symbol_find (name)) != NULL)
{
/* 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 (symbolP->sy_value.X_op == O_symbol)
{
name = S_GET_NAME (symbolP->sy_value.X_add_symbol);
}
else if (accept_numbers)
{
int reg = S_GET_VALUE (symbolP);
if (reg >= 0 && reg <= 31)
return reg;
}
}
low = 0;
high = regcount - 1;
@ -658,7 +686,7 @@ register_name (expressionP)
c = get_symbol_end ();
reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name, FALSE);
* input_line_pointer = c; /* put back the delimiting char */
@ -685,18 +713,31 @@ register_name (expressionP)
/* Summary of system_register_name().
*
* in: Input_line_pointer points to 1st char of operand.
* in: Input_line_pointer points to 1st char of operand.
* expressionP points to an expression structure to be filled in.
* accept_numbers is true iff numerical register names may be used.
* start-sanitize-v850e
* accept_list_names is true iff the special names PS and SR may be
* accepted.
* end-sanitize-v850eq
*
* out: A expressionS.
* out: A expressionS structure in expressionP.
* The operand may have been a register: in this case, X_op == O_register,
* X_add_number is set to the register number, and truth is returned.
* Input_line_pointer->(next non-blank) char after operand, or is in
* its original state.
*/
static boolean
system_register_name (expressionP, accept_numbers)
system_register_name (expressionP, accept_numbers
/* start-sanitize-v850e */
, accept_list_names
/* end-sanitize-v850e */
)
expressionS * expressionP;
boolean accept_numbers;
/* start-sanitize-v850e */
boolean accept_list_names;
/* end-sanitize-v850e */
{
int reg_number;
char * name;
@ -707,7 +748,7 @@ system_register_name (expressionP, accept_numbers)
start = name = input_line_pointer;
c = get_symbol_end ();
reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name);
reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name, accept_numbers);
* input_line_pointer = c; /* put back the delimiting char */
@ -717,19 +758,30 @@ system_register_name (expressionP, accept_numbers)
input_line_pointer = start; /* reset input_line pointer */
if (isdigit (* input_line_pointer))
reg_number = strtol (input_line_pointer, & input_line_pointer, 10);
/* Make sure that the register number is allowable. */
if ( reg_number < 0
|| reg_number > 5
/* start-sanitize-v850e */
&& reg_number < 16
|| reg_number > 20
/* end-sanitize-v850e */
)
{
reg_number = -1;
reg_number = strtol (input_line_pointer, & input_line_pointer, 10);
/* Make sure that the register number is allowable. */
if ( reg_number < 0
|| reg_number > 5
/* start-sanitize-v850e */
&& reg_number < 16
|| reg_number > 20
/* end-sanitize-v850e */
)
{
reg_number = -1;
}
}
/* start-sanitize-v850e */
else if (accept_list_names)
{
c = get_symbol_end ();
reg_number = reg_name_search (system_list_registers, SYSREGLIST_NAME_CNT, name, FALSE);
* input_line_pointer = c; /* put back the delimiting char */
}
/* end-sanitize-v850e */
}
/* look to see if it's in the register table */
@ -776,7 +828,7 @@ cc_name (expressionP)
start = name = input_line_pointer;
c = get_symbol_end ();
reg_number = reg_name_search (cc_names, CC_NAME_CNT, name);
reg_number = reg_name_search (cc_names, CC_NAME_CNT, name, FALSE);
* input_line_pointer = c; /* put back the delimiting char */
@ -954,7 +1006,7 @@ parse_register_list
return "illegal register included in list";
}
}
else if (system_register_name (& exp, true))
else if (system_register_name (& exp, true, true))
{
if (regs == type1_regs)
{
@ -967,8 +1019,10 @@ parse_register_list
else
* insn |= 0x8;
}
else
else if (exp.X_add_number < 4)
* insn |= 0x80000;
else
return "High value system registers cannot be included in list";
}
else if (* input_line_pointer == '}')
{
@ -1043,12 +1097,12 @@ md_show_usage (stream)
FILE * stream;
{
fprintf (stream, "V850 options:\n");
fprintf (stream, "\t-wsigned_overflow Warn if signed immediate values overflow\n");
fprintf (stream, "\t-wunsigned_overflow Warn if unsigned immediate values overflow\n");
fprintf (stream, "\t-mv850 The code is targeted at the v850\n");
fprintf (stream, "\t-mwarn_signed_overflow Warn if signed immediate values overflow\n");
fprintf (stream, "\t-mwarn_unsigned_overflow Warn if unsigned immediate values overflow\n");
fprintf (stream, "\t-mv850 The code is targeted at the v850\n");
/* start-sanitize-v850e */
fprintf (stream, "\t-mv850e The code is targeted at the v850e\n");
fprintf (stream, "\t-mv850eq The code is targeted at the v850eq\n");
fprintf (stream, "\t-mv850e The code is targeted at the v850e\n");
fprintf (stream, "\t-mv850eq The code is targeted at the v850eq\n");
/* end-sanitize-v850e */
}
@ -1057,46 +1111,38 @@ md_parse_option (c, arg)
int c;
char * arg;
{
switch (c)
{
case 'w':
if (strcmp (arg, "signed_overflow") == 0)
{
warn_signed_overflows = TRUE;
return 1;
}
else if (strcmp (arg, "unsigned_overflow") == 0)
{
warn_unsigned_overflows = TRUE;
return 1;
}
break;
if (c != 'm')
return 0;
case 'm':
if (strcmp (arg, "v850") == 0)
{
machine = 0;
processor_mask = PROCESSOR_V850;
return 1;
}
/* start-sanitize-v850e */
else if (strcmp (arg, "v850e") == 0)
{
machine = bfd_mach_v850e;
processor_mask = PROCESSOR_V850E;
return 1;
}
else if (strcmp (arg, "v850eq") == 0)
{
machine = bfd_mach_v850eq;
processor_mask = PROCESSOR_V850EQ;
return 1;
}
/* end-sanitize-v850e */
break;
if (strcmp (arg, "warn_signed_overflow") == 0)
{
warn_signed_overflows = TRUE;
}
else if (strcmp (arg, "warn_unsigned_overflow") == 0)
{
warn_unsigned_overflows = TRUE;
}
else if (strcmp (arg, "v850") == 0)
{
machine = 0;
processor_mask = PROCESSOR_V850;
}
/* start-sanitize-v850e */
else if (strcmp (arg, "v850e") == 0)
{
machine = bfd_mach_v850e;
processor_mask = PROCESSOR_V850E;
}
else if (strcmp (arg, "v850eq") == 0)
{
machine = bfd_mach_v850eq;
processor_mask = PROCESSOR_V850EQ;
}
/* end-sanitize-v850e */
else
return 0;
return 0;
return 1;
}
symbolS *
@ -1303,6 +1349,9 @@ md_begin ()
zcommon_section = subseg_new (".zcommon", 0);
bfd_set_section_flags (stdoutput, zcommon_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | SEC_IS_COMMON));
tcommon_section = subseg_new (".tcommon", 0);
bfd_set_section_flags (stdoutput, tcommon_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | SEC_IS_COMMON));
/* start-sanitize-v850e */
call_table_data_section = subseg_new (".call_table_data", 0);
bfd_set_section_flags (stdoutput, call_table_data_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
@ -1640,7 +1689,11 @@ md_assemble (str)
}
else if ((operand->flags & V850_OPERAND_SRG) != 0)
{
if (!system_register_name (& ex, true))
if (!system_register_name (& ex, true
/* start-sanitize-v850e */
, false
/* end-sanitize-v850e */
))
{
errmsg = "invalid system register name";
}
@ -1717,12 +1770,28 @@ md_assemble (str)
ex.X_add_number = 0;
}
/* end-sanitize-v850e */
else if (register_name (&ex)
else if (register_name (& ex)
&& (operand->flags & V850_OPERAND_REG) == 0)
{
errmsg = "syntax error: register not expected";
/* It is possible that an alias has been defined that
matches a register name. For example the code may
include a ".set ZERO, 0" directive, which matches
the register name "zero". Attempt to reparse the
field as an expression, and only complain if we
cannot generate a constant. */
input_line_pointer = str;
expression (& ex);
if (ex.X_op != O_constant)
errmsg = "syntax error: register not expected";
}
else if (system_register_name (& ex, false)
else if (system_register_name (& ex, false
/* start-sanitize-v850e */
, false
/* end-sanitize-v850e */
)
&& (operand->flags & V850_OPERAND_SRG) == 0)
{
errmsg = "syntax error: system register not expected";
@ -2155,6 +2224,14 @@ v850_insert_operand (insn, operand, val, file, line)
const char * err = "operand out of range (%s not between %ld and %ld)";
char buf[100];
/* Restore min and mix to expected values for decimal ranges. */
if ((operand->flags & V850_OPERAND_SIGNED) && ! warn_signed_overflows)
max = (1 << (operand->bits - 1)) - 1;
if (! (operand->flags & V850_OPERAND_SIGNED)
&& ! warn_unsigned_overflows)
min = 0;
sprint_value (buf, test);
if (file == (char *) NULL)
as_warn (err, buf, min, max);

8
gas/config/tc-v850.h
View File

@ -39,7 +39,7 @@
/* Permit temporary numeric labels. */
#define LOCAL_LABELS_FB 1
#define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */
#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
/* We don't need to handle .word strangely. */
#define WORKING_DOT_WORD
@ -63,16 +63,16 @@ extern const struct relax_type md_relax_table[];
#define ELF_TC_SPECIAL_SECTIONS \
{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
{ ".rosdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_GPREL }, \
{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
{ ".scommon", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
{ ".tdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL }, \
{ ".tbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL }, \
{ ".tcommon", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".zdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".rozdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_R0REL }, \
{ ".zcommon", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".zbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".tcommon", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".zcommon", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
{ ".call_table_data", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
{ ".call_table_text", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },