* configure.in: Check for working mmap, ansi headers, string.h,

strings.h, and memory.h.
* configure: Regenerated.

* gdb_stat.h: New file, "portable" <sys/stat.h>.
* gdb_string.h: New file, "portable" <string.h>.

* altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c,
convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c,
gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c,
i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c,
mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c,
rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c,
symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c,
ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h"
instead of <sys/stat.h>.

* alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c,
ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c,
core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c,
dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c,
exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c,
fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c,
inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c,
m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c,
monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c,
printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c,
remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c,
remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c,
remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c,
remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c,
remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c,
solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c,
symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c,
valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include
"gdb_string.h" instead of <string.h>.
* gdbtk.c: Likewise.

* config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h,
sparc/xm-sun4os4.h (HAVE_MMAP): Removed.

* config/xm-lynx.h, config/i386/xm-ptx.h,
config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h,
config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/mips/xm-news-mips.h, config/mips/xm-riscos.h,
config/pa/hppah.h, config/rs6000/xm-rs6000.h,
config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h,
config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h,
config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed.
* config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
This commit is contained in:
J.T. Conklin 1995-08-01 20:14:27 +00:00
parent a1bdcf913a
commit 2b57629364
137 changed files with 2207 additions and 1157 deletions

View file

@ -26,7 +26,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "target.h"
#include "language.h"
#include "demangle.h"
#include <string.h>
#include "gdb_string.h"
/* Define whether or not the C operator '/' truncates towards zero for
differently signed operands (truncation direction is undefined in C). */
@ -35,7 +35,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define TRUNCATION_TOWARDS_ZERO ((-5 / 2) == -2)
#endif
static value_ptr value_subscripted_rvalue PARAMS ((value_ptr, value_ptr));
static value_ptr value_subscripted_rvalue PARAMS ((value_ptr, value_ptr, int));
value_ptr
@ -125,29 +125,44 @@ value_ptr
value_subscript (array, idx)
value_ptr array, idx;
{
int lowerbound;
value_ptr bound;
struct type *range_type;
int c_style = current_language->c_style_arrays;
COERCE_REF (array);
COERCE_VARYING_ARRAY (array);
if (TYPE_CODE (VALUE_TYPE (array)) == TYPE_CODE_ARRAY
|| TYPE_CODE (VALUE_TYPE (array)) == TYPE_CODE_STRING)
{
range_type = TYPE_FIELD_TYPE (VALUE_TYPE (array), 0);
lowerbound = TYPE_FIELD_BITPOS (range_type, 0);
struct type *range_type = TYPE_FIELD_TYPE (VALUE_TYPE (array), 0);
int lowerbound = TYPE_LOW_BOUND (range_type);
int upperbound = TYPE_HIGH_BOUND (range_type);
if (VALUE_LVAL (array) != lval_memory)
return value_subscripted_rvalue (array, idx, lowerbound);
if (c_style == 0)
{
LONGEST index = value_as_long (idx);
if (index >= lowerbound && index <= upperbound)
return value_subscripted_rvalue (array, idx, lowerbound);
warning ("array or string index out of range");
/* fall doing C stuff */
c_style = 1;
}
if (lowerbound != 0)
{
bound = value_from_longest (builtin_type_int, (LONGEST) lowerbound);
idx = value_sub (idx, bound);
}
if (VALUE_LVAL (array) != lval_memory)
{
return value_subscripted_rvalue (array, idx);
}
array = value_coerce_array (array);
}
return value_ind (value_add (array, idx));
if (c_style)
return value_ind (value_add (array, idx));
else
error ("not an array or string");
}
/* Return the value of EXPR[IDX], expr an aggregate rvalue
@ -155,24 +170,29 @@ value_subscript (array, idx)
to doubles, but no longer does. */
static value_ptr
value_subscripted_rvalue (array, idx)
value_subscripted_rvalue (array, idx, lowerbound)
value_ptr array, idx;
int lowerbound;
{
struct type *elt_type = TYPE_TARGET_TYPE (VALUE_TYPE (array));
int elt_size = TYPE_LENGTH (elt_type);
int elt_offs = elt_size * longest_to_int (value_as_long (idx));
LONGEST index = value_as_long (idx);
int elt_offs = elt_size * longest_to_int (index - lowerbound);
value_ptr v;
if (elt_offs >= TYPE_LENGTH (VALUE_TYPE (array)))
if (index < lowerbound || elt_offs >= TYPE_LENGTH (VALUE_TYPE (array)))
error ("no such vector element");
v = allocate_value (elt_type);
memcpy (VALUE_CONTENTS (v), VALUE_CONTENTS (array) + elt_offs, elt_size);
if (VALUE_LAZY (array))
VALUE_LAZY (v) = 1;
else
memcpy (VALUE_CONTENTS (v), VALUE_CONTENTS (array) + elt_offs, elt_size);
if (VALUE_LVAL (array) == lval_internalvar)
VALUE_LVAL (v) = lval_internalvar_component;
else
VALUE_LVAL (v) = not_lval;
VALUE_LVAL (v) = VALUE_LVAL (array);
VALUE_ADDRESS (v) = VALUE_ADDRESS (array);
VALUE_OFFSET (v) = VALUE_OFFSET (array) + elt_offs;
VALUE_BITSIZE (v) = elt_size * 8;