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* stabs.c (parse_stab_range_type): A complex type is defined as a

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subrange of itself with the high bound zero.
	* ieee.c (ieee_complex_type): Don't crash on sizes of 12 or 16.
This commit is contained in:
Ian Lance Taylor 1996-03-18 23:06:29 +00:00
parent 0ef22be97f
commit 6ae6090e22
3 changed files with 73 additions and 19 deletions
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6
binutils/ChangeLog
View File

@ -1,3 +1,9 @@
Mon Mar 18 18:05:33 1996 Ian Lance Taylor <ian@cygnus.com>
* stabs.c (parse_stab_range_type): A complex type is defined as a
subrange of itself with the high bound zero.
* ieee.c (ieee_complex_type): Don't crash on sizes of 12 or 16.
Tue Mar 12 12:09:43 1996 Ian Lance Taylor <ian@cygnus.com>
* ieee.c (ieee_write_undefined_tag): Switch to global_types even

4
binutils/ieee.c
View File

@ -5184,6 +5184,10 @@ ieee_complex_type (p, size)
case 4:
code = 'c';
break;
case 12:
case 16:
/* These cases can be output by gcc -gstabs. Outputting the
wrong type is better than crashing. */
case 8:
code = 'd';
break;

82
binutils/stabs.c
View File

@ -51,6 +51,10 @@ struct stab_handle
{
/* True if this is stabs in sections. */
boolean sections;
/* The symbol table. */
asymbol **syms;
/* The number of symbols. */
long symcount;
/* The accumulated file name string. */
char *so_string;
/* The value of the last N_SO symbol. */
@ -342,15 +346,19 @@ warn_stab (p, err)
/*ARGSUSED*/
PTR
start_stab (dhandle, sections)
start_stab (dhandle, sections, syms, symcount)
PTR dhandle;
boolean sections;
asymbol **syms;
long symcount;
{
struct stab_handle *ret;
ret = (struct stab_handle *) xmalloc (sizeof *ret);
memset (ret, 0, sizeof *ret);
ret->sections = sections;
ret->syms = syms;
ret->symcount = symcount;
ret->files = 1;
ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types);
ret->file_types[0] = NULL;
@ -800,15 +808,30 @@ parse_stab_string (dhandle, info, stabtype, desc, value, string)
break;
case 'G':
/* A global symbol. The value must be extracted from the symbol
table. */
dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p,
(debug_type **) NULL);
if (dtype == DEBUG_TYPE_NULL)
return false;
if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL,
(bfd_vma) -1))
return false;
{
long c;
asymbol **ps;
/* A global symbol. The value must be extracted from the
symbol table. */
dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p,
(debug_type **) NULL);
if (dtype == DEBUG_TYPE_NULL)
return false;
for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps)
{
const char *n;
n = bfd_asymbol_name (*ps);
if (*n == *name && strcmp (n, name) == 0)
break;
}
if (c > 0)
value = bfd_asymbol_value (*ps);
if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL,
value))
return false;
}
break;
/* This case is faked by a conditional above, when there is no
@ -1643,6 +1666,11 @@ parse_stab_range_type (dhandle, info, typename, pp, typenums)
if (self_subrange && n2 == 0 && n3 == 0)
return debug_make_void_type (dhandle);
/* A type defined as a subrange of itself, with n2 positive and
n3 zero, is a complex type, and n2 is the number of bytes. */
if (self_subrange && n3 == 0 && n2 > 0)
return debug_make_complex_type (dhandle, n2);
/* If n3 is zero and n2 is positive, this is a floating point
type, and n2 is the number of bytes. */
if (n3 == 0 && n2 > 0)
@ -2595,12 +2623,8 @@ parse_stab_members (dhandle, info, tagname, pp, typenums, retp)
{
case '*':
/* virtual member function, followed by index. The sign
bit is set to distinguish pointers-to-methods from
virtual function indicies. Since the array is in
words, the quantity must be shifted left by 1 on 16
bit machine, and by 2 on 32 bit machine, forcing the
sign bit out, and usable as a valid index into the
array. Remove the sign bit here. */
bit is supposedly set to distinguish
pointers-to-methods from virtual function indicies. */
++*pp;
voffset = parse_number (pp, (boolean *) NULL);
if (**pp != ';')
@ -2610,7 +2634,6 @@ parse_stab_members (dhandle, info, tagname, pp, typenums, retp)
}
++*pp;
voffset &= 0x7fffffff;
voffset += 2;
if (**pp == ';' || *pp == '\0')
{
@ -2964,6 +2987,8 @@ parse_stab_array_type (dhandle, info, pp, stringp)
boolean stringp;
{
const char *orig;
const char *p;
int typenums[2];
debug_type index_type;
boolean adjustable;
bfd_signed_vma lower, upper;
@ -2980,8 +3005,27 @@ parse_stab_array_type (dhandle, info, pp, stringp)
/* FIXME: gdb checks os9k_stabs here. */
index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp,
(debug_type **) NULL);
/* If the index type is type 0, we take it as int. */
p = *pp;
if (! parse_stab_type_number (&p, typenums))
return false;
if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=')
{
index_type = debug_find_named_type (dhandle, "int");
if (index_type == DEBUG_TYPE_NULL)
{
index_type = debug_make_int_type (dhandle, 4, false);
if (index_type == DEBUG_TYPE_NULL)
return false;
}
*pp = p;
}
else
{
index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp,
(debug_type **) NULL);
}
if (**pp != ';')
{
bad_stab (orig);