mirror of
https://github.com/darlinghq/darling-gdb.git
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* scm-lang.c: Moved Scheme value printing code to ...
* scm-valprint.c: ... this new file.
Also major improvements in support for printing SCM values.
* scm-lang.h: New file.
* scm-tags.h: New file.
* Makefile.in: Note new scm-valprint.{c,o}.
This commit is contained in:
Per Bothner
parent
66efdff907
commit
5b4d668a82
@ -287,6 +287,9 @@ rs6000-tdep.c
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rom68k-rom.c
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saber.suppress
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scm-lang.c
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scm-lang.h
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scm-tags.h
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scm-valprint.c
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ser-e7kpc.c
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ser-go32.c
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ser-mac.c
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@ -1,3 +1,12 @@
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Sat Sep 30 16:13:36 1995 Per Bothner <bothner@kalessin.cygnus.com>
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* scm-lang.c: Moved Scheme value printing code to ...
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* scm-valprint.c: ... this new file.
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Also major improvements in support for printing SCM values.
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* scm-lang.h: New file.
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* scm-tags.h: New file.
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* Makefile.in: Note new scm-valprint.{c,o}.
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Sat Sep 30 09:35:02 1995 Jason Molenda (crash@phydeaux.cygnus.com)
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* configure.in: X_INCDIR and X_LIBDIR added.
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@ -355,7 +355,7 @@ SFILES = blockframe.c breakpoint.c buildsym.c callback.c c-exp.y c-lang.c \
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gdbtypes.c infcmd.c inflow.c infrun.c language.c \
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m2-exp.y m2-lang.c m2-typeprint.c m2-valprint.c main.c maint.c \
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mem-break.c minsyms.c mipsread.c nlmread.c objfiles.c parse.c \
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printcmd.c remote.c remote-nrom.c scm-lang.c \
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printcmd.c remote.c remote-nrom.c scm-lang.c scm-valprint.c \
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source.c stabsread.c stack.c symfile.c symmisc.c \
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symtab.c target.c thread.c top.c \
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typeprint.c utils.c valarith.c valops.c \
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@ -466,7 +466,7 @@ COMMON_OBS = version.o blockframe.o breakpoint.o findvar.o stack.o thread.o \
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exec.o objfiles.o minsyms.o maint.o demangle.o \
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dbxread.o coffread.o elfread.o \
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dwarfread.o mipsread.o stabsread.o core.o \
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c-lang.o ch-lang.o f-lang.o m2-lang.o scm-lang.o \
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c-lang.o ch-lang.o f-lang.o m2-lang.o scm-lang.o scm-valprint.o \
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complaints.o typeprint.o \
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c-typeprint.o ch-typeprint.o f-typeprint.o m2-typeprint.o \
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c-valprint.o cp-valprint.o ch-valprint.o f-valprint.o m2-valprint.o \
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174
gdb/scm-lang.c
174
gdb/scm-lang.c
@ -23,8 +23,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "expression.h"
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#include "parser-defs.h"
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#include "language.h"
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#include "c-lang.h"
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#include "value.h"
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#include "c-lang.h"
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#include "scm-lang.h"
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#include "scm-tags.h"
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extern struct type ** const (c_builtin_types[]);
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extern value_ptr value_allocate_space_in_inferior PARAMS ((int));
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@ -32,6 +34,8 @@ extern value_ptr find_function_in_inferior PARAMS ((char*));
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static void scm_lreadr ();
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struct type *SCM_TYPE = NULL;
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static void
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scm_read_token (c, weird)
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int c;
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@ -276,7 +280,7 @@ scm_parse ()
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return 0;
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}
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static void
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void
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scm_printchar (c, stream)
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int c;
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GDB_FILE *stream;
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@ -295,159 +299,33 @@ scm_printstr (stream, string, length, force_ellipses)
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}
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int
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is_object_type (type)
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is_scmvalue_type (type)
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struct type *type;
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{
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/* FIXME - this should test for the SCM type, but we can't do that ! */
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return TYPE_CODE (type) == TYPE_CODE_INT
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&& TYPE_NAME (type)
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#if 1
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&& strcmp (TYPE_NAME (type), "SCM") == 0;
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#else
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&& TYPE_LENGTH (type) == TYPE_LENGTH (builtin_type_long)
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&& strcmp (TYPE_NAME (type), "long int") == 0;
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#endif
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}
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/* Prints the SCM value VALUE by invoking the inferior, if appropraite.
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Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
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print VALUE. */
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int
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scm_inferior_print (value, stream, format, deref_ref, recurse, pretty)
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LONGEST value;
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GDB_FILE *stream;
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int format;
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int deref_ref;
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int recurse;
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enum val_prettyprint pretty;
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{
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return -1;
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}
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#define SCM_ITAG8_DATA(X) ((X)>>8)
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#define SCM_ICHR(x) ((unsigned char)SCM_ITAG8_DATA(x))
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#define SCM_ICHRP(x) (SCM_ITAG8(x) == scm_tc8_char)
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#define scm_tc8_char 0xf4
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#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
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#define SCM_ISYMNUM(n) ((int)((n)>>9))
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#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
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#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
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#define SCM_ITAG8(X) ((int)(X) & 0xff)
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/* {Names of immediate symbols}
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* This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
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static char *scm_isymnames[] =
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{
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/* This table must agree with the declarations */
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"#@and",
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"#@begin",
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"#@case",
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"#@cond",
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"#@do",
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"#@if",
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"#@lambda",
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"#@let",
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"#@let*",
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"#@letrec",
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"#@or",
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"#@quote",
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"#@set!",
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"#@define",
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#if 0
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"#@literal-variable-ref",
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"#@literal-variable-set!",
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#endif
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"#@apply",
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"#@call-with-current-continuation",
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/* user visible ISYMS */
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/* other keywords */
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/* Flags */
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"#f",
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"#t",
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"#<undefined>",
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"#<eof>",
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"()",
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"#<unspecified>"
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};
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int
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scm_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
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pretty)
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struct type *type;
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char *valaddr;
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CORE_ADDR address;
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GDB_FILE *stream;
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int format;
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int deref_ref;
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int recurse;
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enum val_prettyprint pretty;
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{
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if (is_object_type (type))
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if (TYPE_CODE (type) == TYPE_CODE_INT
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&& TYPE_NAME (type) && strcmp (TYPE_NAME (type), "SCM") == 0)
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{
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LONGEST svalue = unpack_long (type, valaddr);
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if (scm_inferior_print (svalue, stream, format,
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deref_ref, recurse, pretty) >= 0)
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{
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}
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else
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{
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switch (7 & svalue)
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{
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case 2:
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case 6:
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print_longest (stream, format ? format : 'd', 1, svalue >> 2);
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break;
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case 4:
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if (SCM_ICHRP (svalue))
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{
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svalue = SCM_ICHR (svalue);
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scm_printchar (svalue, stream);
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break;
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}
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else if (SCM_IFLAGP (svalue)
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&& (SCM_ISYMNUM (svalue)
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< (sizeof scm_isymnames / sizeof (char *))))
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{
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fputs_filtered (SCM_ISYMCHARS (svalue), stream);
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break;
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}
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else if (SCM_ILOCP (svalue))
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{
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#if 0
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fputs_filtered ("#@", stream);
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scm_intprint ((long) IFRAME (exp), 10, port);
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scm_putc (ICDRP (exp) ? '-' : '+', port);
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scm_intprint ((long) IDIST (exp), 10, port);
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break;
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#endif
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}
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default:
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fprintf_filtered (stream, "#<%lX>", svalue);
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}
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}
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gdb_flush (stream);
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return (0);
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}
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else
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{
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return c_val_print (type, valaddr, address, stream, format,
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deref_ref, recurse, pretty);
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SCM_TYPE = type;
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return 1;
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}
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return 0;
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}
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int
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scm_value_print (val, stream, format, pretty)
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value_ptr val;
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GDB_FILE *stream;
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int format;
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enum val_prettyprint pretty;
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/* Get the INDEX'th SCM value, assuming SVALUE is the address
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of the 0'th one. */
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LONGEST
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scm_get_field (svalue, index)
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LONGEST svalue;
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int index;
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{
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return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
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VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
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value_ptr val;
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char buffer[20];
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if (SCM_TYPE == NULL)
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error ("internal error - no SCM type");
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read_memory (SCM2PTR (svalue) + index * TYPE_LENGTH (SCM_TYPE),
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buffer, TYPE_LENGTH (SCM_TYPE));
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return unpack_long (SCM_TYPE, buffer);
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}
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static value_ptr
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44
gdb/scm-lang.h
Normal file
44
gdb/scm-lang.h
Normal file
@ -0,0 +1,44 @@
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#define SICP
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#include "scm-tags.h"
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#undef SCM_NCELLP
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#define SCM_NCELLP(x) ((SCM_SIZE-1) & (int)(x))
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#define SCM_ITAG8_DATA(X) ((X)>>8)
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#define SCM_ICHR(x) ((unsigned char)SCM_ITAG8_DATA(x))
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#define SCM_ICHRP(x) (SCM_ITAG8(x) == scm_tc8_char)
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#define scm_tc8_char 0xf4
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#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
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#define SCM_ISYMNUM(n) ((int)((n)>>9))
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#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
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#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
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#define SCM_ITAG8(X) ((int)(X) & 0xff)
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#define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
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#define SCM_LENGTH(x) (((unsigned long)SCM_CAR(x))>>8)
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#define SCM_NCONSP(x) (1 & (int)SCM_CAR(x))
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#define SCM_NECONSP(x) (SCM_NCONSP(x) && (1 != SCM_TYP3(x)))
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#define SCM_CAR(x) scm_get_field (x, 0)
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#define SCM_CDR(x) scm_get_field (x, 1)
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#define SCM_VELTS(x) ((SCM *)SCM_CDR(x))
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#define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
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#define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
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#ifdef __STDC__ /* Forward decls for prototypes */
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struct value;
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#endif
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extern int scm_value_print PARAMS ((struct value *, GDB_FILE*,
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int, enum val_prettyprint));
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extern int scm_val_print PARAMS ((struct type*, char*, CORE_ADDR, GDB_FILE*,
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int, int, int, enum val_prettyprint));
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extern LONGEST scm_get_field PARAMS ((LONGEST, int));
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extern int scm_scmval_print PARAMS ((LONGEST, GDB_FILE *,
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int, int, int, enum val_prettyprint));
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extern int is_scmvalue_type PARAMS ((struct type*));
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extern void scm_printchar PARAMS ((int, GDB_FILE*));
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struct type *SCM_TYPE;
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385
gdb/scm-tags.h
Normal file
385
gdb/scm-tags.h
Normal file
@ -0,0 +1,385 @@
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/* This is a minimally edited version of Guile's tags.h. */
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/* classes: h_files */
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#ifndef TAGSH
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#define TAGSH
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
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||||
*
|
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* 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 software; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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||||
*
|
||||
* As a special exception, the Free Software Foundation gives permission
|
||||
* for additional uses of the text contained in its release of GUILE.
|
||||
*
|
||||
* The exception is that, if you link the GUILE library with other files
|
||||
* to produce an executable, this does not by itself cause the
|
||||
* resulting executable to be covered by the GNU General Public License.
|
||||
* Your use of that executable is in no way restricted on account of
|
||||
* linking the GUILE library code into it.
|
||||
*
|
||||
* This exception does not however invalidate any other reasons why
|
||||
* the executable file might be covered by the GNU General Public License.
|
||||
*
|
||||
* This exception applies only to the code released by the
|
||||
* Free Software Foundation under the name GUILE. If you copy
|
||||
* code from other Free Software Foundation releases into a copy of
|
||||
* GUILE, as the General Public License permits, the exception does
|
||||
* not apply to the code that you add in this way. To avoid misleading
|
||||
* anyone as to the status of such modified files, you must delete
|
||||
* this exception notice from them.
|
||||
*
|
||||
* If you write modifications of your own for GUILE, it is your choice
|
||||
* whether to permit this exception to apply to your modifications.
|
||||
* If you do not wish that, delete this exception notice.
|
||||
*/
|
||||
|
||||
|
||||
/** This file defines the format of SCM values and cons pairs.
|
||||
** It is here that tag bits are assigned for various purposes.
|
||||
**/
|
||||
|
||||
|
||||
/* Three Bit Tags
|
||||
*
|
||||
* 000 -- a non-immediate value. Points into the pair heap.
|
||||
*
|
||||
* 001 -- a gloc (i.e., a resolved global variable in a CAR in a code graph)
|
||||
* or the CAR of an object handle (i.e., the tagged pointer to the
|
||||
* vtable part of a user-defined object).
|
||||
*
|
||||
* If X has this tag, the value at CDAR(X - 1) distinguishes
|
||||
* glocs from object handles. The distinction only needs
|
||||
* to be made in a few places. Only a few parts of the code know
|
||||
* about glocs. In most cases, when a value in the CAR of a pair
|
||||
* has the tag 001, it means that the pair is an object handle.
|
||||
*
|
||||
* 010 -- the tag for immediate, exact integers.
|
||||
*
|
||||
* 011 -- in the CAR of a pair, this tag indicates that the pair is a closure.
|
||||
* The remaining bits of the CAR are a pointer into the pair heap
|
||||
* to the code graph for the closure.
|
||||
*
|
||||
* 1xy -- an extension tag which means that there is a five or six bit
|
||||
* tag to the left of the low three bits. See the nice diagrams
|
||||
* in ../doc/code.doc if you want to know what the bits mean.
|
||||
*/
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#define scm_tc3_cons 0
|
||||
#define scm_tc3_cons_gloc 1
|
||||
#define scm_tc3_closure 3
|
||||
|
||||
#define scm_tc7_ssymbol 5
|
||||
#define scm_tc7_msymbol 7
|
||||
#define scm_tc7_string 13
|
||||
#define scm_tc7_bvect 15
|
||||
#define scm_tc7_vector 21
|
||||
#define scm_tc7_lvector 23
|
||||
#define scm_tc7_ivect 29
|
||||
#define scm_tc7_uvect 31
|
||||
/* spare 37 39 */
|
||||
#define scm_tc7_fvect 45
|
||||
#define scm_tc7_dvect 47
|
||||
#define scm_tc7_cvect 53
|
||||
#define scm_tc7_port 55
|
||||
#define scm_tc7_contin 61
|
||||
#define scm_tc7_cclo 63
|
||||
/* spare 69 71 77 79 */
|
||||
#define scm_tc7_subr_0 85
|
||||
#define scm_tc7_subr_1 87
|
||||
#define scm_tc7_cxr 93
|
||||
#define scm_tc7_subr_3 95
|
||||
#define scm_tc7_subr_2 101
|
||||
#define scm_tc7_asubr 103
|
||||
#define scm_tc7_subr_1o 109
|
||||
#define scm_tc7_subr_2o 111
|
||||
#define scm_tc7_lsubr_2 117
|
||||
#define scm_tc7_lsubr 119
|
||||
#define scm_tc7_rpsubr 125
|
||||
|
||||
#define scm_tc7_smob 127
|
||||
#define scm_tc_free_cell 127
|
||||
|
||||
#define scm_tc16_flo 0x017f
|
||||
#define scm_tc_flo 0x017fL
|
||||
|
||||
#define SCM_REAL_PART (1L<<16)
|
||||
#define SCM_IMAG_PART (2L<<16)
|
||||
#define scm_tc_dblr (scm_tc16_flo|REAL_PART)
|
||||
#define scm_tc_dblc (scm_tc16_flo|REAL_PART|IMAG_PART)
|
||||
|
||||
#define scm_tc16_bigpos 0x027f
|
||||
#define scm_tc16_bigneg 0x037f
|
||||
|
||||
#define scm_tc16_fport (scm_tc7_port + 0*256L)
|
||||
#define scm_tc16_pipe (scm_tc7_port + 1*256L)
|
||||
#define scm_tc16_strport (scm_tc7_port + 2*256L)
|
||||
#define scm_tc16_sfport (scm_tc7_port + 3*256L)
|
||||
|
||||
|
||||
|
||||
/* For cons pairs with immediate values in the CAR */
|
||||
#define scm_tcs_cons_imcar 2:case 4:case 6:case 10:\
|
||||
case 12:case 14:case 18:case 20:\
|
||||
case 22:case 26:case 28:case 30:\
|
||||
case 34:case 36:case 38:case 42:\
|
||||
case 44:case 46:case 50:case 52:\
|
||||
case 54:case 58:case 60:case 62:\
|
||||
case 66:case 68:case 70:case 74:\
|
||||
case 76:case 78:case 82:case 84:\
|
||||
case 86:case 90:case 92:case 94:\
|
||||
case 98:case 100:case 102:case 106:\
|
||||
case 108:case 110:case 114:case 116:\
|
||||
case 118:case 122:case 124:case 126
|
||||
|
||||
/* For cons pairs with non-immediate values in the CAR */
|
||||
#define scm_tcs_cons_nimcar 0:case 8:case 16:case 24:\
|
||||
case 32:case 40:case 48:case 56:\
|
||||
case 64:case 72:case 80:case 88:\
|
||||
case 96:case 104:case 112:case 120
|
||||
|
||||
/* A CONS_GLOC occurs in code. It's CAR is a pointer to the
|
||||
* CDR of a variable. The low order bits of the CAR are 001.
|
||||
* The CDR of the gloc is the code continuation.
|
||||
*/
|
||||
#define scm_tcs_cons_gloc 1:case 9:case 17:case 25:\
|
||||
case 33:case 41:case 49:case 57:\
|
||||
case 65:case 73:case 81:case 89:\
|
||||
case 97:case 105:case 113:case 121
|
||||
|
||||
#define scm_tcs_closures 3:case 11:case 19:case 27:\
|
||||
case 35:case 43:case 51:case 59:\
|
||||
case 67:case 75:case 83:case 91:\
|
||||
case 99:case 107:case 115:case 123
|
||||
|
||||
#define scm_tcs_subrs scm_tc7_asubr:case scm_tc7_subr_0:case scm_tc7_subr_1:case scm_tc7_cxr:\
|
||||
case scm_tc7_subr_3:case scm_tc7_subr_2:case scm_tc7_rpsubr:case scm_tc7_subr_1o:\
|
||||
case scm_tc7_subr_2o:case scm_tc7_lsubr_2:case scm_tc7_lsubr
|
||||
|
||||
#define scm_tcs_symbols scm_tc7_ssymbol:case scm_tc7_msymbol
|
||||
|
||||
#define scm_tcs_bignums tc16_bigpos:case tc16_bigneg
|
||||
|
||||
|
||||
|
||||
/* References to objects are of type SCM. Values may be non-immediate
|
||||
* (pointers) or immediate (encoded, immutable, scalar values that fit
|
||||
* in an SCM variable).
|
||||
*/
|
||||
|
||||
typedef long SCM;
|
||||
|
||||
/* Cray machines have pointers that are incremented once for each word,
|
||||
* rather than each byte, the 3 most significant bits encode the byte
|
||||
* within the word. The following macros deal with this by storing the
|
||||
* native Cray pointers like the ones that looks like scm expects. This
|
||||
* is done for any pointers that might appear in the car of a scm_cell, pointers
|
||||
* to scm_vector elts, functions, &c are not munged.
|
||||
*/
|
||||
#ifdef _UNICOS
|
||||
# define SCM2PTR(x) ((int)(x) >> 3)
|
||||
# define PTR2SCM(x) (((SCM)(x)) << 3)
|
||||
# define SCM_POINTERS_MUNGED
|
||||
#else
|
||||
# define SCM2PTR(x) (x)
|
||||
# define PTR2SCM(x) ((SCM)(x))
|
||||
#endif /* def _UNICOS */
|
||||
|
||||
|
||||
|
||||
/* Immediate? Predicates
|
||||
*/
|
||||
#define SCM_IMP(x) (6 & (int)(x))
|
||||
#define SCM_NIMP(x) (!SCM_IMP(x))
|
||||
|
||||
|
||||
|
||||
enum scm_tags
|
||||
{
|
||||
scm_tc8_char = 0xf4,
|
||||
};
|
||||
|
||||
#define SCM_ITAG8(X) ((int)(X) & 0xff)
|
||||
#define SCM_MAKE_ITAG8(X, TAG) (((X)<<8) + TAG)
|
||||
#define SCM_ITAG8_DATA(X) ((X)>>8)
|
||||
|
||||
|
||||
|
||||
/* Local Environment Structure
|
||||
*/
|
||||
#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
|
||||
#define SCM_ILOC00 (0x000000fcL)
|
||||
#define SCM_IDINC (0x00100000L)
|
||||
#define SCM_ICDR (0x00080000L)
|
||||
#define SCM_IFRINC (0x00000100L)
|
||||
#define SCM_IDSTMSK (-SCM_IDINC)
|
||||
#define SCM_IFRAME(n) ((int)((SCM_ICDR-SCM_IFRINC)>>8) & ((int)(n)>>8))
|
||||
#define SCM_IDIST(n) (((unsigned long)(n))>>20)
|
||||
#define SCM_ICDRP(n) (SCM_ICDR & (n))
|
||||
|
||||
|
||||
/* Immediate Symbols, Special Symbols, Flags (various constants).
|
||||
*/
|
||||
|
||||
/* ISYMP tests for ISPCSYM and ISYM */
|
||||
#define SCM_ISYMP(n) ((0x187 & (int)(n))==4)
|
||||
|
||||
/* IFLAGP tests for ISPCSYM, ISYM and IFLAG */
|
||||
#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
|
||||
#define SCM_ISYMNUM(n) ((int)((n)>>9))
|
||||
#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
|
||||
#define SCM_MAKSPCSYM(n) (((n)<<9)+((n)<<3)+4L)
|
||||
#define SCM_MAKISYM(n) (((n)<<9)+0x74L)
|
||||
#define SCM_MAKIFLAG(n) (((n)<<9)+0x174L)
|
||||
|
||||
/* This table must agree with the declarations
|
||||
* in repl.c: {Names of immediate symbols}.
|
||||
*
|
||||
* These are used only in eval but their values
|
||||
* have to be allocated here.
|
||||
*
|
||||
*/
|
||||
|
||||
#define SCM_IM_AND SCM_MAKSPCSYM(0)
|
||||
#define SCM_IM_BEGIN SCM_MAKSPCSYM(1)
|
||||
#define SCM_IM_CASE SCM_MAKSPCSYM(2)
|
||||
#define SCM_IM_COND SCM_MAKSPCSYM(3)
|
||||
#define SCM_IM_DO SCM_MAKSPCSYM(4)
|
||||
#define SCM_IM_IF SCM_MAKSPCSYM(5)
|
||||
#define SCM_IM_LAMBDA SCM_MAKSPCSYM(6)
|
||||
#define SCM_IM_LET SCM_MAKSPCSYM(7)
|
||||
#define SCM_IM_LETSTAR SCM_MAKSPCSYM(8)
|
||||
#define SCM_IM_LETREC SCM_MAKSPCSYM(9)
|
||||
#define SCM_IM_OR SCM_MAKSPCSYM(10)
|
||||
#define SCM_IM_QUOTE SCM_MAKSPCSYM(11)
|
||||
#define SCM_IM_SET SCM_MAKSPCSYM(12)
|
||||
#define SCM_IM_DEFINE SCM_MAKSPCSYM(13)
|
||||
#define SCM_IM_APPLY SCM_MAKISYM(14)
|
||||
#define SCM_IM_CONT SCM_MAKISYM(15)
|
||||
#define SCM_NUM_ISYMS 16
|
||||
|
||||
/* Important immediates
|
||||
*/
|
||||
|
||||
#define SCM_BOOL_F SCM_MAKIFLAG(SCM_NUM_ISYMS+0)
|
||||
#define SCM_BOOL_T SCM_MAKIFLAG(SCM_NUM_ISYMS+1)
|
||||
#define SCM_UNDEFINED SCM_MAKIFLAG(SCM_NUM_ISYMS+2)
|
||||
#define SCM_EOF_VAL SCM_MAKIFLAG(SCM_NUM_ISYMS+3)
|
||||
|
||||
#ifdef SICP
|
||||
#define SCM_EOL SCM_BOOL_F
|
||||
#else
|
||||
#define SCM_EOL SCM_MAKIFLAG(SCM_NUM_ISYMS+4)
|
||||
#endif
|
||||
|
||||
#define SCM_UNSPECIFIED SCM_MAKIFLAG(SCM_NUM_ISYMS+5)
|
||||
|
||||
|
||||
|
||||
/* Heap Pairs and the Empty List Predicates
|
||||
*/
|
||||
#define SCM_NULLP(x) (SCM_EOL == (x))
|
||||
#define SCM_NNULLP(x) (SCM_EOL != (x))
|
||||
#define SCM_CELLP(x) (!SCM_NCELLP(x))
|
||||
#define SCM_NCELLP(x) ((sizeof(scm_cell)-1) & (int)(x))
|
||||
|
||||
|
||||
|
||||
#define SCM_UNBNDP(x) (SCM_UNDEFINED==(x))
|
||||
|
||||
|
||||
|
||||
/* Testing and Changing GC Marks in Various Standard Positions
|
||||
*/
|
||||
#define SCM_GCMARKP(x) (1 & (int)SCM_CDR(x))
|
||||
#define SCM_GC8MARKP(x) (0x80 & (int)SCM_CAR(x))
|
||||
#define SCM_SETGCMARK(x) (SCM_CDR(x) |= 1)
|
||||
#define SCM_CLRGCMARK(x) (SCM_CDR(x) &= ~1L)
|
||||
#define SCM_SETGC8MARK(x) (SCM_CAR(x) |= 0x80)
|
||||
#define SCM_CLRGC8MARK(x) (SCM_CAR(x) &= ~0x80L)
|
||||
|
||||
|
||||
/* Extracting Tag Bits, With or Without GC Safety and Optional Bits
|
||||
*/
|
||||
#define SCM_TYP3(x) (7 & (int)SCM_CAR(x))
|
||||
#define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
|
||||
#define SCM_TYP7S(x) (0x7d & (int)SCM_CAR(x))
|
||||
#define SCM_TYP16(x) (0xffff & (int)SCM_CAR(x))
|
||||
#define SCM_TYP16S(x) (0xfeff & (int)SCM_CAR(x))
|
||||
#define SCM_GCTYP16(x) (0xff7f & (int)SCM_CAR(x))
|
||||
|
||||
|
||||
/* Two slightly extensible types: smobs and ptobs.
|
||||
*
|
||||
*/
|
||||
#define SCM_SMOBNUM(x) (0x0ff & (CAR(x)>>8));
|
||||
#define SCM_PTOBNUM(x) (0x0ff & (CAR(x)>>8));
|
||||
|
||||
|
||||
|
||||
|
||||
#define SCM_DIRP(x) (SCM_NIMP(x) && (TYP16(x)==(scm_tc16_dir)))
|
||||
#define SCM_OPDIRP(x) (SCM_NIMP(x) && (CAR(x)==(scm_tc16_dir | OPN)))
|
||||
|
||||
|
||||
|
||||
/* Lvectors
|
||||
*/
|
||||
#define SCM_LVECTORP(x) (TYP7(x)==tc7_lvector)
|
||||
|
||||
|
||||
#if 0
|
||||
|
||||
/* Sockets
|
||||
*/
|
||||
#define tc_socket (tc7_port | OPN)
|
||||
#define SCM_SOCKP(x) (((0x7f | OPN | RDNG | WRTNG) & CAR(x))==(tc_socket))
|
||||
#define SCM_SOCKTYP(x) (CAR(x)>>24)
|
||||
|
||||
|
||||
|
||||
extern int scm_tc16_key_vector;
|
||||
#define SCM_KEYVECP(X) (scm_tc16_key_vector == TYP16 (X))
|
||||
#define SCM_KEYVECLEN(OBJ) (((unsigned long)CAR (obj)) >> 16)
|
||||
|
||||
|
||||
#define SCM_MALLOCDATA(obj) ((char *)CDR(obj))
|
||||
#define SCM_MALLOCLEN(obj) (((unsigned long)CAR (obj)) >> 16)
|
||||
#define SCM_WORDDATA(obj) (CDR (obj))
|
||||
|
||||
|
||||
#define SCM_BYTECODEP(X) ((TYP7 (X) == tc7_cclo) && (CCLO_SUBR (X) == rb_proc))
|
||||
#define SCM_BYTECODE_CONSTANTS(X) (VELTS(X)[1])
|
||||
#define SCM_BYTECODE_CODE(X) (VELTS(X)[2])
|
||||
#define SCM_BYTECODE_NAME(X) (VELTS(X)[3])
|
||||
#define SCM_BYTECODE_BCODE(X) (VELTS(X)[4])
|
||||
#define SCM_BYTECODE_ELTS 5
|
||||
|
||||
|
||||
#define SCM_FREEP(x) (CAR(x)==tc_free_cell)
|
||||
#define SCM_NFREEP(x) (!FREEP(x))
|
||||
|
||||
#endif /* 0*/
|
||||
|
||||
#ifdef __STDC__
|
||||
|
||||
#else /* STDC */
|
||||
|
||||
#endif /* STDC */
|
||||
|
||||
|
||||
#endif /* TAGSH */
|
||||
405
gdb/scm-valprint.c
Normal file
405
gdb/scm-valprint.c
Normal file
@ -0,0 +1,405 @@
|
||||
/* 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"
|
||||
|
||||
/* 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. */
|
||||
|
||||
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 int
|
||||
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 0;
|
||||
}
|
||||
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 (SCM_TYPE ? TYPE_LENGTH (SCM_TYPE) : sizeof (void*))
|
||||
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);
|
||||
}
|
||||
|
||||
int
|
||||
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 & 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 */
|
||||
fputs_filtered ("#@", stream);
|
||||
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)
|
||||
{
|
||||
SCM name;
|
||||
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:
|
||||
punk:scm_ipruk ("type", svalue, stream);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
scm_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
|
||||
pretty)
|
||||
struct type *type;
|
||||
char *valaddr;
|
||||
CORE_ADDR address;
|
||||
GDB_FILE *stream;
|
||||
int format;
|
||||
int deref_ref;
|
||||
int recurse;
|
||||
enum val_prettyprint pretty;
|
||||
{
|
||||
if (is_scmvalue_type (type))
|
||||
{
|
||||
LONGEST svalue = unpack_long (type, valaddr);
|
||||
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, 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),
|
||||
VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user