Added Charles changes for GCC@ symbols.

This commit is contained in:
Paul Richards 1993-07-26 22:40:41 +00:00
parent b37b9a6d2d
commit add6d758b6
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=195
3 changed files with 164 additions and 22 deletions

View File

@ -44,6 +44,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#endif
#define IEEE_FLOAT
#define LONG_LONG
/* Library stuff: POSIX tty (not supported yet), V7 tty (sigh), vprintf. */
@ -138,10 +139,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Largest integer type */
#define LONGEST long
#define LONGEST long long
/* Name of the builtin type for the LONGEST type above. */
#define BUILTIN_TYPE_LONGEST builtin_type_long
#define BUILTIN_TYPE_LONGEST builtin_type_long_long
/* Say how long (ordinary) registers are. */

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@ -158,6 +158,7 @@ static struct type *read_enum_type ();
static struct type *read_struct_type ();
static struct type *read_array_type ();
static long read_number ();
static void read_huge_number ();
static void finish_block ();
static struct blockvector *make_blockvector ();
static struct symbol *define_symbol ();
@ -5291,11 +5292,12 @@ read_range_type (pp, typenums)
char **pp;
int typenums[2];
{
char *errp = *pp;
int rangenums[2];
int n2, n3;
long n2, n3;
int n2bits, n3bits;
int self_subrange;
struct type *result_type;
struct type *index_type;
/* First comes a type we are a subrange of.
In C it is usually 0, 1 or the type being defined. */
@ -5309,8 +5311,45 @@ read_range_type (pp, typenums)
/* The remaining two operands are usually lower and upper bounds
of the range. But in some special cases they mean something else. */
n2 = read_number (pp, ';');
n3 = read_number (pp, ';');
read_huge_number (pp, ';', &n2, &n2bits);
read_huge_number (pp, ';', &n3, &n3bits);
if (n2bits == -1 || n3bits == -1)
error ("Unrecognized type range %s.", pp);
if (n2bits != 0 || n3bits != 0)
#ifdef LONG_LONG
{
char got_signed = 0;
char got_unsigned = 0;
/* Number of bits in the type. */
int nbits;
/* Range from 0 to <large number> is an unsigned large integral type. */
if ((n2bits == 0 && n2 == 0) && n3bits != 0)
{
got_unsigned = 1;
nbits = n3bits;
}
/* Range fro <large number> to <large number>-1 is a large signed
integral type. */
else if (n2bits != 0 && n3bits != 0 && n2bits == n3bits + 1)
{
got_signed = 1;
nbits = n2bits;
}
/* Check for "long long". */
if (got_signed && nbits == CHAR_BIT * sizeof (long long))
return builtin_type_long_long;
if (got_unsigned && nbits == CHAR_BIT * sizeof (long long))
return builtin_type_unsigned_long_long;
error ("Large type isn't a long long.");
}
#else /* LONG_LONG */
error ("Type long long not supported on this machine.");
#endif
/* A type defined as a subrange of itself, with bounds both 0, is void. */
if (self_subrange && n2 == 0 && n3 == 0)
@ -5354,31 +5393,29 @@ read_range_type (pp, typenums)
*dbx_lookup_type (rangenums) == builtin_type_int))
{
/* an unsigned type */
#ifdef LONG_LONG
if (n3 == - sizeof (long long))
return builtin_type_unsigned_long_long;
#endif
if (n3 == (1 << (8 * sizeof (int))) - 1)
if (n3 == UINT_MAX)
return builtin_type_unsigned_int;
if (n3 == (1 << (8 * sizeof (short))) - 1)
if (n3 == ULONG_MAX)
return builtin_type_unsigned_long;
if (n3 == USHRT_MAX)
return builtin_type_unsigned_short;
if (n3 == (1 << (8 * sizeof (char))) - 1)
if (n3 == UCHAR_MAX)
return builtin_type_unsigned_char;
}
#ifdef LONG_LONG
else if (n3 == 0 && n2 == -sizeof (long long))
return builtin_type_long_long;
#endif
#endif
else if (n2 == -n3 -1)
{
/* a signed type */
if (n3 == (1 << (8 * sizeof (int) - 1)) - 1)
if (n3 == INT_MAX)
return builtin_type_int;
if (n3 == (1 << (8 * sizeof (long) - 1)) - 1)
if (n3 == LONG_MAX)
return builtin_type_long;
if (n3 == (1 << (8 * sizeof (short) - 1)) - 1)
if (n3 == SHRT_MAX)
return builtin_type_short;
if (n3 == (1 << (8 * sizeof (char) - 1)) - 1)
if (n3 == CHAR_MAX)
return builtin_type_char;
}
@ -5389,7 +5426,7 @@ read_range_type (pp, typenums)
a self_subrange type; I'm going to assume that this is used
as an idiom, and that all of them are special cases. So . . . */
if (self_subrange)
error ("Type defined as subrange of itself.");
error ("Type defined as subrange of itself: %s.", pp);
result_type = (struct type *) obstack_alloc (symbol_obstack,
sizeof (struct type));
@ -5470,6 +5507,109 @@ read_number (pp, end)
return n * sign;
}
static void
read_huge_number (pp, end, valu, bits)
char **pp;
int end;
long *valu;
int *bits;
{
char *p = *pp;
int sign = 1;
long n = 0;
int radix = 10;
char overflow = 0;
int nbits = 0;
int c;
long upper_limit;
/* Handle an optional leading minus sign. */
if (*p == '-')
{
sign = -1;
p++;
}
/* Leading zero means octal. GCC uses this to output values larger
than an int (because that would be hard in decimal). */
if (*p == '0')
{
radix = 8;
p++;
}
upper_limit = LONG_MAX / radix;
while ((c = *p++) >= '0' && c <= '9')
{
if (n <= upper_limit)
{
n *= radix;
n += c - '0';
}
else
overflow = 1;
/* This depends on large values being output in octal, which is
what GCC does. */
if (radix == 8)
{
if (nbits == 0)
{
if (c == '0')
/* Ignore leading zeroes. */
;
else if (c == '1')
nbits = 1;
else if (c == '2' || c == '3')
nbits = 2;
else
nbits = 3;
}
else
nbits += 3;
}
}
if (end)
{
if (c && c != end)
{
if (bits != NULL)
*bits = -1;
return;
}
}
else
--p;
*pp = p;
if (overflow)
{
if (nbits == 0)
{
/* Large decimal constants are an error (because it is hard to
count how many bits are in them). */
if (bits != NULL)
*bits = -1;
return;
}
/* -0x7f is the same as 0x80. So deal with it by adding one to
the number of bits. */
if (sign == -1)
++nbits;
if (bits)
*bits = nbits;
}
else
{
if (valu)
*valu = n * sign;
if (bits)
*bits = 0;
}
}
/* Read in an argument list. This is a list of types. It is terminated with
a ':', FYI. Return the list of types read in. */
static struct type **

View File

@ -425,14 +425,14 @@ GDB manual (available as on-line info or a printed manual).\n", stderr);
count = 0;
for (i = 1; i < argc; i++)
{
extern void exec_file_command (), symbol_file_command ();
extern void core_file_command ();
register char *arg = argv[i];
/* Args starting with - say what to do with the following arg
as a filename. */
if (arg[0] == '-')
{
extern void exec_file_command (), symbol_file_command ();
extern void core_file_command (), directory_command ();
extern void tty_command ();
extern void tty_command (), directory_command ();
if (!strcmp (arg, "-q") || !strcmp (arg, "-nx")
|| !strcmp (arg, "-quiet") || !strcmp (arg, "-batch")
@ -1657,6 +1657,7 @@ set_prompt_command (text)
static void
quit_command ()
{
extern void exec_file_command ();
if (have_inferior_p ())
{
if (inhibit_confirm || query ("The program is running. Quit anyway? "))