mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-24 10:35:12 +08:00
423 lines
9.8 KiB
C
423 lines
9.8 KiB
C
/* Scheme/Guile language support routines for GDB, the GNU debugger.
|
|
Copyright 1995 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "symtab.h"
|
|
#include "gdbtypes.h"
|
|
#include "expression.h"
|
|
#include "parser-defs.h"
|
|
#include "language.h"
|
|
#include "value.h"
|
|
#include "scm-lang.h"
|
|
#include "valprint.h"
|
|
#include "gdbcore.h"
|
|
|
|
/* FIXME: Should be in a header file that we import. */
|
|
extern int
|
|
c_val_print PARAMS ((struct type *, char *, int, CORE_ADDR, GDB_FILE *, int, int,
|
|
int, enum val_prettyprint));
|
|
|
|
static void scm_ipruk PARAMS ((char *, LONGEST, GDB_FILE *));
|
|
static void scm_scmlist_print PARAMS ((LONGEST, GDB_FILE *, int, int,
|
|
int, enum val_prettyprint));
|
|
static int scm_inferior_print PARAMS ((LONGEST, GDB_FILE *, int, int,
|
|
int, enum val_prettyprint));
|
|
|
|
/* Prints the SCM value VALUE by invoking the inferior, if appropraite.
|
|
Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
|
|
print VALUE. */
|
|
|
|
static int
|
|
scm_inferior_print (value, stream, format, deref_ref, recurse, pretty)
|
|
LONGEST value;
|
|
GDB_FILE *stream;
|
|
int format;
|
|
int deref_ref;
|
|
int recurse;
|
|
enum val_prettyprint pretty;
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
/* {Names of immediate symbols}
|
|
* This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
|
|
|
|
static char *scm_isymnames[] =
|
|
{
|
|
/* This table must agree with the declarations */
|
|
"and",
|
|
"begin",
|
|
"case",
|
|
"cond",
|
|
"do",
|
|
"if",
|
|
"lambda",
|
|
"let",
|
|
"let*",
|
|
"letrec",
|
|
"or",
|
|
"quote",
|
|
"set!",
|
|
"define",
|
|
#if 0
|
|
"literal-variable-ref",
|
|
"literal-variable-set!",
|
|
#endif
|
|
"apply",
|
|
"call-with-current-continuation",
|
|
|
|
/* user visible ISYMS */
|
|
/* other keywords */
|
|
/* Flags */
|
|
|
|
"#f",
|
|
"#t",
|
|
"#<undefined>",
|
|
"#<eof>",
|
|
"()",
|
|
"#<unspecified>"
|
|
};
|
|
|
|
static void
|
|
scm_scmlist_print (svalue, stream, format, deref_ref, recurse, pretty)
|
|
LONGEST svalue;
|
|
GDB_FILE *stream;
|
|
int format;
|
|
int deref_ref;
|
|
int recurse;
|
|
enum val_prettyprint pretty;
|
|
{
|
|
unsigned int more = print_max;
|
|
if (recurse > 6)
|
|
{
|
|
fputs_filtered ("...", stream);
|
|
return;
|
|
}
|
|
scm_scmval_print (SCM_CAR (svalue), stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
svalue = SCM_CDR (svalue);
|
|
for (; SCM_NIMP (svalue); svalue = SCM_CDR (svalue))
|
|
{
|
|
if (SCM_NECONSP (svalue))
|
|
break;
|
|
fputs_filtered (" ", stream);
|
|
if (--more == 0)
|
|
{
|
|
fputs_filtered ("...", stream);
|
|
return;
|
|
}
|
|
scm_scmval_print (SCM_CAR (svalue), stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
}
|
|
if (SCM_NNULLP (svalue))
|
|
{
|
|
fputs_filtered (" . ", stream);
|
|
scm_scmval_print (svalue, stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
}
|
|
}
|
|
|
|
static void
|
|
scm_ipruk (hdr, ptr, stream)
|
|
char *hdr;
|
|
LONGEST ptr;
|
|
GDB_FILE *stream;
|
|
{
|
|
fprintf_filtered (stream, "#<unknown-%s", hdr);
|
|
#define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
|
|
if (SCM_CELLP (ptr))
|
|
fprintf_filtered (stream, " (0x%lx . 0x%lx) @",
|
|
(long) SCM_CAR (ptr), (long) SCM_CDR (ptr));
|
|
fprintf_filtered (stream, " 0x%x>", ptr);
|
|
}
|
|
|
|
void
|
|
scm_scmval_print (svalue, stream, format, deref_ref, recurse, pretty)
|
|
LONGEST svalue;
|
|
GDB_FILE *stream;
|
|
int format;
|
|
int deref_ref;
|
|
int recurse;
|
|
enum val_prettyprint pretty;
|
|
{
|
|
taloop:
|
|
switch (7 & (int) svalue)
|
|
{
|
|
case 2:
|
|
case 6:
|
|
print_longest (stream, format ? format : 'd', 1, svalue >> 2);
|
|
break;
|
|
case 4:
|
|
if (SCM_ICHRP (svalue))
|
|
{
|
|
svalue = SCM_ICHR (svalue);
|
|
scm_printchar (svalue, stream);
|
|
break;
|
|
}
|
|
else if (SCM_IFLAGP (svalue)
|
|
&& (SCM_ISYMNUM (svalue)
|
|
< (sizeof scm_isymnames / sizeof (char *))))
|
|
{
|
|
fputs_filtered (SCM_ISYMCHARS (svalue), stream);
|
|
break;
|
|
}
|
|
else if (SCM_ILOCP (svalue))
|
|
{
|
|
fprintf_filtered (stream, "#@%ld%c%ld",
|
|
(long) SCM_IFRAME (svalue),
|
|
SCM_ICDRP (svalue) ? '-' : '+',
|
|
(long) SCM_IDIST (svalue));
|
|
break;
|
|
}
|
|
else
|
|
goto idef;
|
|
break;
|
|
case 1:
|
|
/* gloc */
|
|
svalue = SCM_CAR (svalue - 1);
|
|
goto taloop;
|
|
default:
|
|
idef:
|
|
scm_ipruk ("immediate", svalue, stream);
|
|
break;
|
|
case 0:
|
|
|
|
switch (SCM_TYP7 (svalue))
|
|
{
|
|
case scm_tcs_cons_gloc:
|
|
if (SCM_CDR (SCM_CAR (svalue) - 1L) == 0)
|
|
{
|
|
#if 0
|
|
SCM name;
|
|
#endif
|
|
fputs_filtered ("#<latte ", stream);
|
|
#if 1
|
|
fputs_filtered ("???", stream);
|
|
#else
|
|
name = ((SCM n*)(STRUCT_TYPE( exp)))[struct_i_name];
|
|
scm_lfwrite (CHARS (name),
|
|
(sizet) sizeof (char),
|
|
(sizet) LENGTH (name),
|
|
port);
|
|
#endif
|
|
fprintf_filtered (stream, " #X%lX>", svalue);
|
|
break;
|
|
}
|
|
case scm_tcs_cons_imcar:
|
|
case scm_tcs_cons_nimcar:
|
|
fputs_filtered ("(", stream);
|
|
scm_scmlist_print (svalue, stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
fputs_filtered (")", stream);
|
|
break;
|
|
case scm_tcs_closures:
|
|
fputs_filtered ("#<CLOSURE ", stream);
|
|
scm_scmlist_print (SCM_CODE (svalue), stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
fputs_filtered (">", stream);
|
|
break;
|
|
case scm_tc7_string:
|
|
{
|
|
int len = SCM_LENGTH (svalue);
|
|
CORE_ADDR addr = (CORE_ADDR) SCM_CDR (svalue);
|
|
int i;
|
|
int done = 0;
|
|
int buf_size;
|
|
char buffer[64];
|
|
int truncate = print_max && len > (int) print_max;
|
|
if (truncate)
|
|
len = print_max;
|
|
fputs_filtered ("\"", stream);
|
|
for (; done < len; done += buf_size)
|
|
{
|
|
buf_size = min (len - done, 64);
|
|
read_memory (addr + done, buffer, buf_size);
|
|
|
|
for (i = 0; i < buf_size; ++i)
|
|
switch (buffer[i])
|
|
{
|
|
case '\"':
|
|
case '\\':
|
|
fputs_filtered ("\\", stream);
|
|
default:
|
|
fprintf_filtered (stream, "%c", buffer[i]);
|
|
}
|
|
}
|
|
fputs_filtered (truncate ? "...\"" : "\"", stream);
|
|
break;
|
|
}
|
|
break;
|
|
case scm_tcs_symbols:
|
|
{
|
|
int len = SCM_LENGTH (svalue);
|
|
|
|
char * str = (char*) alloca (len);
|
|
read_memory (SCM_CDR (svalue), str, len + 1);
|
|
/* Should handle weird characters FIXME */
|
|
str[len] = '\0';
|
|
fputs_filtered (str, stream);
|
|
break;
|
|
}
|
|
case scm_tc7_vector:
|
|
{
|
|
int len = SCM_LENGTH (svalue);
|
|
int i;
|
|
LONGEST elements = SCM_CDR(svalue);
|
|
fputs_filtered ("#(", stream);
|
|
for (i = 0; i < len; ++i)
|
|
{
|
|
if (i > 0)
|
|
fputs_filtered (" ", stream);
|
|
scm_scmval_print (scm_get_field (elements, i), stream, format,
|
|
deref_ref, recurse + 1, pretty);
|
|
}
|
|
fputs_filtered (")", stream);
|
|
}
|
|
break;
|
|
#if 0
|
|
case tc7_lvector:
|
|
{
|
|
SCM result;
|
|
SCM hook;
|
|
hook = scm_get_lvector_hook (exp, LV_PRINT_FN);
|
|
if (hook == BOOL_F)
|
|
{
|
|
scm_puts ("#<locked-vector ", port);
|
|
scm_intprint(CDR(exp), 16, port);
|
|
scm_puts (">", port);
|
|
}
|
|
else
|
|
{
|
|
result
|
|
= scm_apply (hook,
|
|
scm_listify (exp, port, (writing ? BOOL_T : BOOL_F),
|
|
SCM_UNDEFINED),
|
|
EOL);
|
|
if (result == BOOL_F)
|
|
goto punk;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case tc7_bvect:
|
|
case tc7_ivect:
|
|
case tc7_uvect:
|
|
case tc7_fvect:
|
|
case tc7_dvect:
|
|
case tc7_cvect:
|
|
scm_raprin1 (exp, port, writing);
|
|
break;
|
|
#endif
|
|
case scm_tcs_subrs:
|
|
{
|
|
int index = SCM_CAR (svalue) >> 8;
|
|
#if 1
|
|
char str[20];
|
|
sprintf (str, "#%d", index);
|
|
#else
|
|
char *str = index ? SCM_CHARS (scm_heap_org+index) : "";
|
|
#define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
|
|
char *str = CHARS (SNAME (exp));
|
|
#endif
|
|
fprintf_filtered (stream, "#<primitive-procedure %s>",
|
|
str);
|
|
}
|
|
break;
|
|
#if 0
|
|
#ifdef CCLO
|
|
case tc7_cclo:
|
|
scm_puts ("#<compiled-closure ", port);
|
|
scm_iprin1 (CCLO_SUBR (exp), port, writing);
|
|
scm_putc ('>', port);
|
|
break;
|
|
#endif
|
|
case tc7_contin:
|
|
fprintf_filtered (stream, "#<continuation %d @ #X%lx >",
|
|
LENGTH (svalue),
|
|
(long) CHARS (svalue));
|
|
break;
|
|
case tc7_port:
|
|
i = PTOBNUM (exp);
|
|
if (i < scm_numptob && scm_ptobs[i].print && (scm_ptobs[i].print) (exp, port, writing))
|
|
break;
|
|
goto punk;
|
|
case tc7_smob:
|
|
i = SMOBNUM (exp);
|
|
if (i < scm_numsmob && scm_smobs[i].print
|
|
&& (scm_smobs[i].print) (exp, port, writing))
|
|
break;
|
|
goto punk;
|
|
#endif
|
|
default:
|
|
#if 0
|
|
punk:
|
|
#endif
|
|
scm_ipruk ("type", svalue, stream);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
int
|
|
scm_val_print (type, valaddr, embedded_offset, address,
|
|
stream, format, deref_ref, recurse, pretty)
|
|
struct type *type;
|
|
char *valaddr;
|
|
int embedded_offset;
|
|
CORE_ADDR address;
|
|
GDB_FILE *stream;
|
|
int format;
|
|
int deref_ref;
|
|
int recurse;
|
|
enum val_prettyprint pretty;
|
|
{
|
|
if (is_scmvalue_type (type))
|
|
{
|
|
LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
|
|
if (scm_inferior_print (svalue, stream, format,
|
|
deref_ref, recurse, pretty) >= 0)
|
|
{
|
|
}
|
|
else
|
|
{
|
|
scm_scmval_print (svalue, stream, format,
|
|
deref_ref, recurse, pretty);
|
|
}
|
|
|
|
gdb_flush (stream);
|
|
return (0);
|
|
}
|
|
else
|
|
{
|
|
return c_val_print (type, valaddr, 0, address, stream, format,
|
|
deref_ref, recurse, pretty);
|
|
}
|
|
}
|
|
|
|
int
|
|
scm_value_print (val, stream, format, pretty)
|
|
value_ptr val;
|
|
GDB_FILE *stream;
|
|
int format;
|
|
enum val_prettyprint pretty;
|
|
{
|
|
return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
|
|
VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
|
|
}
|