/* Symbol table lookup for the GNU debugger, GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992
- Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
+ Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "symtab.h"
#include "objfiles.h"
#include "gdbcmd.h"
#include "call-cmds.h"
-#include "regex.h"
+#include "gnu-regex.h"
#include "expression.h"
#include "language.h"
#include "demangle.h"
-#include <obstack.h>
-#include <assert.h>
+#include "obstack.h"
#include <sys/types.h>
#include <fcntl.h>
-#include <string.h>
-#include <sys/stat.h>
+#include "gdb_string.h"
+#include "gdb_stat.h"
#include <ctype.h>
/* Prototypes for local functions */
sources_info PARAMS ((char *, int));
static void
-list_symbols PARAMS ((char *, int, int));
+list_symbols PARAMS ((char *, int, int, int));
static void
output_source_filename PARAMS ((char *, int *));
static struct partial_symbol *
lookup_partial_symbol PARAMS ((struct partial_symtab *, const char *,
- int, enum namespace));
+ int, namespace_enum));
static struct symtab *
lookup_symtab_1 PARAMS ((char *));
cplusplus_hint (name)
char *name;
{
- printf ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name);
- printf ("(Note leading single quote.)\n");
+ while (*name == '\'')
+ name++;
+ printf_filtered ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name);
+ printf_filtered ("(Note leading single quote.)\n");
}
/* Check for a symtab of a specific name; first in symtabs, then in
/* Same search rules as above apply here, but now we look thru the
psymtabs. */
- ALL_PSYMTABS (objfile, ps)
- if (STREQ (name, ps -> filename))
- goto got_psymtab;
-
- if (!slash)
- ALL_PSYMTABS (objfile, ps)
- {
- char *p = ps -> filename;
- char *tail = strrchr (p, '/');
-
- if (tail)
- p = tail + 1;
-
- if (STREQ (p, name))
- goto got_psymtab;
- }
-
- return (NULL);
-
- got_psymtab:
+ ps = lookup_partial_symtab (name);
+ if (!ps)
+ return (NULL);
if (ps -> readin)
error ("Internal: readin %s pst for `%s' found when no symtab found.",
char *name;
{
register struct symtab *s;
+#if 0
register char *copy;
+#endif
s = lookup_symtab_1 (name);
if (s) return s;
+#if 0
+ /* This screws c-exp.y:yylex if there is both a type "tree" and a symtab
+ "tree.c". */
+
/* If name not found as specified, see if adding ".c" helps. */
+ /* Why is this? Is it just a user convenience? (If so, it's pretty
+ questionable in the presence of C++, FORTRAN, etc.). It's not in
+ the GDB manual. */
copy = (char *) alloca (strlen (name) + 3);
strcpy (copy, name);
strcat (copy, ".c");
s = lookup_symtab_1 (copy);
if (s) return s;
+#endif /* 0 */
/* We didn't find anything; die. */
return 0;
}
-/* Lookup the partial symbol table of a source file named NAME. This
- only returns true on an exact match (ie. this semantics are
- different from lookup_symtab. */
+/* Lookup the partial symbol table of a source file named NAME.
+ *If* there is no '/' in the name, a match after a '/'
+ in the psymtab filename will also work. */
struct partial_symtab *
lookup_partial_symtab (name)
return (pst);
}
}
+
+ /* Now, search for a matching tail (only if name doesn't have any dirs) */
+
+ if (!strchr (name, '/'))
+ ALL_PSYMTABS (objfile, pst)
+ {
+ char *p = pst -> filename;
+ char *tail = strrchr (p, '/');
+
+ if (tail)
+ p = tail + 1;
+
+ if (STREQ (p, name))
+ return (pst);
+ }
+
return (NULL);
}
\f
char *field_name = TYPE_FN_FIELDLIST_NAME (type, i);
char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
char *newname = type_name_no_tag (type);
- int is_constructor = newname != NULL && STREQ (field_name, newname);
- int is_destructor = is_constructor && DESTRUCTOR_PREFIX_P (physname);
+
+ /* Does the form of physname indicate that it is the full mangled name
+ of a constructor (not just the args)? */
+ int is_full_physname_constructor;
+
+ int is_constructor;
+ int is_destructor = DESTRUCTOR_PREFIX_P (physname);
/* Need a new type prefix. */
char *const_prefix = method->is_const ? "C" : "";
char *volatile_prefix = method->is_volatile ? "V" : "";
char buf[20];
-#ifndef GCC_MANGLE_BUG
- int len = newname == NULL ? 0 : strlen (newname);
+ int len = (newname == NULL ? 0 : strlen (newname));
+
+ is_full_physname_constructor =
+ ((physname[0]=='_' && physname[1]=='_' &&
+ (isdigit(physname[2]) || physname[2]=='Q' || physname[2]=='t'))
+ || (strncmp(physname, "__ct", 4) == 0));
- if (is_destructor)
+ is_constructor =
+ is_full_physname_constructor || (newname && STREQ(field_name, newname));
+
+ if (!is_destructor)
+ is_destructor = (strncmp(physname, "__dt", 4) == 0);
+
+ if (is_destructor || is_full_physname_constructor)
{
mangled_name = (char*) xmalloc(strlen(physname)+1);
strcpy(mangled_name, physname);
return mangled_name;
}
- sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len);
+ if (len == 0)
+ {
+ sprintf (buf, "__%s%s", const_prefix, volatile_prefix);
+ if (strcmp(buf, "__") == 0)
+ buf[0] = '\0';
+ }
+ else if (newname != NULL && strchr (newname, '<') != NULL)
+ {
+ /* Template methods are fully mangled. */
+ sprintf (buf, "__%s%s", const_prefix, volatile_prefix);
+ newname = NULL;
+ len = 0;
+ }
+ else
+ {
+ sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len);
+ }
mangled_name_len = ((is_constructor ? 0 : strlen (field_name))
+ strlen (buf) + len
+ strlen (physname)
strcat (mangled_name, buf);
/* If the class doesn't have a name, i.e. newname NULL, then we just
mangle it using 0 for the length of the class. Thus it gets mangled
- as something starting with `::' rather than `classname::'. */
+ as something starting with `::' rather than `classname::'. */
if (newname != NULL)
strcat (mangled_name, newname);
-#else
- char *opname;
-
- if (is_constructor)
- {
- buf[0] = '\0';
- }
- else
- {
- sprintf (buf, "__%s%s", const_prefix, volatile_prefix);
- }
-
- mangled_name_len = ((is_constructor ? 0 : strlen (field_name))
- + strlen (buf) + strlen (physname) + 1);
-
- /* Only needed for GNU-mangled names. ANSI-mangled names
- work with the normal mechanisms. */
- if (OPNAME_PREFIX_P (field_name))
- {
- opname = cplus_mangle_opname (field_name + 3, 0);
- if (opname == NULL)
- {
- error ("No mangling for \"%s\"", field_name);
- }
- mangled_name_len += strlen (opname);
- mangled_name = (char *) xmalloc (mangled_name_len);
-
- strncpy (mangled_name, field_name, 3);
- strcpy (mangled_name + 3, opname);
- }
- else
- {
- mangled_name = (char *) xmalloc (mangled_name_len);
- if (is_constructor)
- {
- mangled_name[0] = '\0';
- }
- else
- {
- strcpy (mangled_name, field_name);
- }
- }
- strcat (mangled_name, buf);
-#endif
strcat (mangled_name, physname);
return (mangled_name);
}
ALL_PSYMTABS (objfile, pst)
{
if (pc >= pst->textlow && pc < pst->texthigh)
- return (pst);
+ {
+ struct minimal_symbol *msymbol;
+ struct partial_symtab *tpst;
+
+ /* An objfile that has its functions reordered might have
+ many partial symbol tables containing the PC, but
+ we want the partial symbol table that contains the
+ function containing the PC. */
+ if (!(objfile->flags & OBJF_REORDERED))
+ return (pst);
+
+ msymbol = lookup_minimal_symbol_by_pc (pc);
+ if (msymbol == NULL)
+ return (pst);
+
+ for (tpst = pst; tpst != NULL; tpst = tpst->next)
+ {
+ if (pc >= tpst->textlow && pc < tpst->texthigh)
+ {
+ struct partial_symbol *p;
+
+ p = find_pc_psymbol (tpst, pc);
+ if (p != NULL
+ && SYMBOL_VALUE_ADDRESS(p)
+ == SYMBOL_VALUE_ADDRESS (msymbol))
+ return (tpst);
+ }
+ }
+ return (pst);
+ }
}
return (NULL);
}
best_pc = psymtab->textlow - 1;
+ /* Search the global symbols as well as the static symbols, so that
+ find_pc_partial_function doesn't use a minimal symbol and thus
+ cache a bad endaddr. */
+ for (p = psymtab->objfile->global_psymbols.list + psymtab->globals_offset;
+ (p - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset)
+ < psymtab->n_global_syms);
+ p++)
+ if (SYMBOL_NAMESPACE (p) == VAR_NAMESPACE
+ && SYMBOL_CLASS (p) == LOC_BLOCK
+ && pc >= SYMBOL_VALUE_ADDRESS (p)
+ && SYMBOL_VALUE_ADDRESS (p) > best_pc)
+ {
+ best_pc = SYMBOL_VALUE_ADDRESS (p);
+ best = p;
+ }
for (p = psymtab->objfile->static_psymbols.list + psymtab->statics_offset;
(p - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset)
< psymtab->n_static_syms);
BLOCK_FOUND is set to the block in which NAME is found (in the case of
a field of `this', value_of_this sets BLOCK_FOUND to the proper value.) */
+/* This function has a bunch of loops in it and it would seem to be
+ attractive to put in some QUIT's (though I'm not really sure
+ whether it can run long enough to be really important). But there
+ are a few calls for which it would appear to be bad news to quit
+ out of here: find_proc_desc in alpha-tdep.c and mips-tdep.c, and
+ nindy_frame_chain_valid in nindy-tdep.c. (Note that there is C++
+ code below which can error(), but that probably doesn't affect
+ these calls since they are looking for a known variable and thus
+ can probably assume it will never hit the C++ code). */
+
struct symbol *
lookup_symbol (name, block, namespace, is_a_field_of_this, symtab)
const char *name;
register const struct block *block;
- const enum namespace namespace;
+ const namespace_enum namespace;
int *is_a_field_of_this;
struct symtab **symtab;
{
}
}
- /* Check for the possibility of the symbol being a global function
- that is stored in one of the minimal symbol tables. Eventually, all
- global symbols might be resolved in this way. */
+ /* Check for the possibility of the symbol being a function or
+ a mangled variable that is stored in one of the minimal symbol tables.
+ Eventually, all global symbols might be resolved in this way. */
if (namespace == VAR_NAMESPACE)
{
- msymbol = lookup_minimal_symbol (name, (struct objfile *) NULL);
+ msymbol = lookup_minimal_symbol (name, NULL, NULL);
if (msymbol != NULL)
{
s = find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol));
- /* If S is NULL, there are no debug symbols for this file.
- Skip this stuff and check for matching static symbols below. */
if (s != NULL)
{
+ /* This is a function which has a symtab for its address. */
bv = BLOCKVECTOR (s);
block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
sym = lookup_block_symbol (block, SYMBOL_NAME (msymbol),
*symtab = s;
return sym;
}
+ else if (MSYMBOL_TYPE (msymbol) != mst_text
+ && MSYMBOL_TYPE (msymbol) != mst_file_text
+ && !STREQ (name, SYMBOL_NAME (msymbol)))
+ {
+ /* This is a mangled variable, look it up by its
+ mangled name. */
+ return lookup_symbol (SYMBOL_NAME (msymbol), block,
+ namespace, is_a_field_of_this, symtab);
+ }
+ /* There are no debug symbols for this file, or we are looking
+ for an unmangled variable.
+ Try to find a matching static symbol below. */
}
}
}
}
- /* Now search all per-file blocks for static mangled symbols.
- Do the symtabs first, then check the psymtabs. */
-
- if (namespace == VAR_NAMESPACE)
- {
- ALL_SYMTABS (objfile, s)
- {
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- sym = lookup_block_symbol (block, name, VAR_NAMESPACE);
- if (sym)
- {
- block_found = block;
- if (symtab != NULL)
- *symtab = s;
- return sym;
- }
- }
-
- ALL_PSYMTABS (objfile, ps)
- {
- if (!ps->readin && lookup_partial_symbol (ps, name, 0, VAR_NAMESPACE))
- {
- s = PSYMTAB_TO_SYMTAB(ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- sym = lookup_block_symbol (block, name, VAR_NAMESPACE);
- if (!sym)
- error ("Internal: mangled static symbol `%s' found in %s psymtab but not in symtab", name, ps->filename);
- if (symtab != NULL)
- *symtab = s;
- return sym;
- }
- }
- }
-
if (symtab != NULL)
*symtab = NULL;
return 0;
struct partial_symtab *pst;
const char *name;
int global;
- enum namespace namespace;
+ namespace_enum namespace;
{
struct partial_symbol *start, *psym;
struct partial_symbol *top, *bottom, *center;
while (top > bottom)
{
center = bottom + (top - bottom) / 2;
- assert (center < top);
+ if (!(center < top))
+ abort ();
if (!do_linear_search && SYMBOL_LANGUAGE (center) == language_cplus)
{
do_linear_search = 1;
bottom = center + 1;
}
}
- assert (top == bottom);
+ if (!(top == bottom))
+ abort ();
while (STREQ (SYMBOL_NAME (top), name))
{
if (SYMBOL_NAMESPACE (top) == namespace)
lookup_block_symbol (block, name, namespace)
register const struct block *block;
const char *name;
- const enum namespace namespace;
+ const namespace_enum namespace;
{
register int bot, top, inc;
register struct symbol *sym;
to deal with a case like symtab a is at 0x1000-0x2000 and 0x3000-0x4000
and symtab b is at 0x2000-0x3000. So the GLOBAL_BLOCK for a is from
0x1000-0x4000, but for address 0x2345 we want to return symtab b.
- This is said to happen for the mips; it might be swifter to create
- several symtabs with the same name like xcoff does (I'm not sure). */
+
+ This happens for native ecoff format, where code from included files
+ gets its own symtab. The symtab for the included file should have
+ been read in already via the dependency mechanism.
+ It might be swifter to create several symtabs with the same name
+ like xcoff does (I'm not sure).
+
+ It also happens for objfiles that have their functions reordered.
+ For these, the symtab we are looking for is not necessarily read in. */
ALL_SYMTABS (objfile, s)
{
&& (distance == 0
|| BLOCK_END (b) - BLOCK_START (b) < distance))
{
+ /* For an objfile that has its functions reordered,
+ find_pc_psymtab will find the proper partial symbol table
+ and we simply return its corresponding symtab. */
+ if (objfile->flags & OBJF_REORDERED)
+ {
+ ps = find_pc_psymtab (pc);
+ if (ps)
+ s = PSYMTAB_TO_SYMTAB (ps);
+ else
+ s = NULL;
+ return (s);
+ }
distance = BLOCK_END (b) - BLOCK_START (b);
best_s = s;
}
/* Might want to error() here (in case symtab is corrupt and
will cause a core dump), but maybe we can successfully
continue, so let's not. */
+ /* FIXME-32x64: assumes pc fits in a long */
warning ("\
-(Internal error: pc 0x%x in read in psymtab, but not in symtab.)\n", pc);
+(Internal error: pc 0x%lx in read in psymtab, but not in symtab.)\n",
+ (unsigned long) pc);
s = PSYMTAB_TO_SYMTAB (ps);
}
return (s);
}
+\f
+#if 0
+
+/* Find the closest symbol value (of any sort -- function or variable)
+ for a given address value. Slow but complete. (currently unused,
+ mainly because it is too slow. We could fix it if each symtab and
+ psymtab had contained in it the addresses ranges of each of its
+ sections, which also would be required to make things like "info
+ line *0x2345" cause psymtabs to be converted to symtabs). */
+
+struct symbol *
+find_addr_symbol (addr, symtabp, symaddrp)
+ CORE_ADDR addr;
+ struct symtab **symtabp;
+ CORE_ADDR *symaddrp;
+{
+ struct symtab *symtab, *best_symtab;
+ struct objfile *objfile;
+ register int bot, top;
+ register struct symbol *sym;
+ register CORE_ADDR sym_addr;
+ struct block *block;
+ int blocknum;
+
+ /* Info on best symbol seen so far */
+
+ register CORE_ADDR best_sym_addr = 0;
+ struct symbol *best_sym = 0;
+
+ /* FIXME -- we should pull in all the psymtabs, too! */
+ ALL_SYMTABS (objfile, symtab)
+ {
+ /* Search the global and static blocks in this symtab for
+ the closest symbol-address to the desired address. */
+
+ for (blocknum = GLOBAL_BLOCK; blocknum <= STATIC_BLOCK; blocknum++)
+ {
+ QUIT;
+ block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), blocknum);
+ top = BLOCK_NSYMS (block);
+ for (bot = 0; bot < top; bot++)
+ {
+ sym = BLOCK_SYM (block, bot);
+ switch (SYMBOL_CLASS (sym))
+ {
+ case LOC_STATIC:
+ case LOC_LABEL:
+ sym_addr = SYMBOL_VALUE_ADDRESS (sym);
+ break;
+
+ case LOC_BLOCK:
+ sym_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
+ break;
+
+ default:
+ continue;
+ }
+
+ if (sym_addr <= addr)
+ if (sym_addr > best_sym_addr)
+ {
+ /* Quit if we found an exact match. */
+ best_sym = sym;
+ best_sym_addr = sym_addr;
+ best_symtab = symtab;
+ if (sym_addr == addr)
+ goto done;
+ }
+ }
+ }
+ }
+
+ done:
+ if (symtabp)
+ *symtabp = best_symtab;
+ if (symaddrp)
+ *symaddrp = best_sym_addr;
+ return best_sym;
+}
+#endif /* 0 */
/* Find the source file and line number for a given PC value.
Return a structure containing a symtab pointer, a line number,
{
val.symtab = alt_symtab;
val.line = alt->line - 1;
+
+ /* Don't return line 0, that means that we didn't find the line. */
+ if (val.line == 0) ++val.line;
+
val.pc = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK));
val.end = alt->pc;
}
Returns 0 if could not find the specified line. */
int
-find_line_pc_range (symtab, thisline, startptr, endptr)
- struct symtab *symtab;
- int thisline;
+find_line_pc_range (sal, startptr, endptr)
+ struct symtab_and_line sal;
CORE_ADDR *startptr, *endptr;
{
- struct linetable *l;
- int ind;
- int exact_match; /* did we get an exact linenumber match */
+ CORE_ADDR startaddr;
+ struct symtab_and_line found_sal;
- if (symtab == 0)
+ startaddr = sal.pc;
+ if (startaddr == 0)
+ {
+ startaddr = find_line_pc (sal.symtab, sal.line);
+ }
+ if (startaddr == 0)
return 0;
- if (find_line_symtab (symtab, thisline, &l, &ind, &exact_match))
+ /* This whole function is based on address. For example, if line 10 has
+ two parts, one from 0x100 to 0x200 and one from 0x300 to 0x400, then
+ "info line *0x123" should say the line goes from 0x100 to 0x200
+ and "info line *0x355" should say the line goes from 0x300 to 0x400.
+ This also insures that we never give a range like "starts at 0x134
+ and ends at 0x12c". */
+
+ found_sal = find_pc_line (startaddr, 0);
+ if (found_sal.line != sal.line)
{
- *startptr = l->item[ind].pc;
- /* If we have not seen an entry for the specified line,
- assume that means the specified line has zero bytes. */
- if (!exact_match || ind == l->nitems-1)
- *endptr = *startptr;
- else
- /* Perhaps the following entry is for the following line.
- It's worth a try. */
- if (ind+1 < l->nitems
- && l->item[ind+1].line == thisline + 1)
- *endptr = l->item[ind+1].pc;
- else
- *endptr = find_line_pc (symtab, thisline+1);
- return 1;
+ /* The specified line (sal) has zero bytes. */
+ *startptr = found_sal.pc;
+ *endptr = found_sal.pc;
}
-
- return 0;
+ else
+ {
+ *startptr = found_sal.pc;
+ *endptr = found_sal.end;
+ }
+ return 1;
}
/* Given a line table and a line number, return the index into the line
*endptr = sal.end;
return sal.symtab != 0;
}
+
+/* Given a function symbol SYM, find the symtab and line for the start
+ of the function.
+ If the argument FUNFIRSTLINE is nonzero, we want the first line
+ of real code inside the function. */
+
+static struct symtab_and_line
+find_function_start_sal PARAMS ((struct symbol *sym, int));
+
+static struct symtab_and_line
+find_function_start_sal (sym, funfirstline)
+ struct symbol *sym;
+ int funfirstline;
+{
+ CORE_ADDR pc;
+ struct symtab_and_line sal;
+
+ pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
+ if (funfirstline)
+ {
+ pc += FUNCTION_START_OFFSET;
+ SKIP_PROLOGUE (pc);
+ }
+ sal = find_pc_line (pc, 0);
+
+#ifdef PROLOGUE_FIRSTLINE_OVERLAP
+ /* Convex: no need to suppress code on first line, if any */
+ sal.pc = pc;
+#else
+ /* Check if SKIP_PROLOGUE left us in mid-line, and the next
+ line is still part of the same function. */
+ if (sal.pc != pc
+ && BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) <= sal.end
+ && sal.end < BLOCK_END (SYMBOL_BLOCK_VALUE (sym)))
+ {
+ /* First pc of next line */
+ pc = sal.end;
+ /* Recalculate the line number (might not be N+1). */
+ sal = find_pc_line (pc, 0);
+ }
+ sal.pc = pc;
+#endif
+
+ return sal;
+}
\f
/* If P is of the form "operator[ \t]+..." where `...' is
some legitimate operator text, return a pointer to the
return *end;
}
+/* Return the number of methods described for TYPE, including the
+ methods from types it derives from. This can't be done in the symbol
+ reader because the type of the baseclass might still be stubbed
+ when the definition of the derived class is parsed. */
+
+static int total_number_of_methods PARAMS ((struct type *type));
+
+static int
+total_number_of_methods (type)
+ struct type *type;
+{
+ int n;
+ int count;
+
+ CHECK_TYPEDEF (type);
+ count = TYPE_NFN_FIELDS_TOTAL (type);
+
+ for (n = 0; n < TYPE_N_BASECLASSES (type); n++)
+ count += total_number_of_methods (TYPE_BASECLASS (type, n));
+
+ return count;
+}
+
/* Recursive helper function for decode_line_1.
- * Look for methods named NAME in type T.
- * Return number of matches.
- * Put matches in SYM_ARR (which better be big enough!).
- * These allocations seem to define "big enough":
- * sym_arr = (struct symbol **) alloca(TYPE_NFN_FIELDS_TOTAL (t) * sizeof(struct symbol*));
- * Note that this function is g++ specific.
- */
+ Look for methods named NAME in type T.
+ Return number of matches.
+ Put matches in SYM_ARR, which should have been allocated with
+ a size of total_number_of_methods (T) * sizeof (struct symbol *).
+ Note that this function is g++ specific. */
int
find_methods (t, name, sym_arr)
(struct symtab **)NULL)))
{
int method_counter;
- /* FIXME: Shouldn't this just be check_stub_type (t)? */
+ /* FIXME: Shouldn't this just be CHECK_TYPEDEF (t)? */
t = SYMBOL_TYPE (sym_class);
for (method_counter = TYPE_NFN_FIELDS (t) - 1;
method_counter >= 0;
{
int field_counter;
struct fn_field *f = TYPE_FN_FIELDLIST1 (t, method_counter);
-
char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter);
+ char dem_opname[64];
+
+ if (strncmp(method_name, "__", 2)==0 ||
+ strncmp(method_name, "op", 2)==0 ||
+ strncmp(method_name, "type", 4)==0 )
+ {
+ if (cplus_demangle_opname(method_name, dem_opname, DMGL_ANSI))
+ method_name = dem_opname;
+ else if (cplus_demangle_opname(method_name, dem_opname, 0))
+ method_name = dem_opname;
+ }
if (STREQ (name, method_name))
/* Find all the fields with that name. */
for (field_counter = TYPE_FN_FIELDLIST_LENGTH (t, method_counter) - 1;
if (sym_arr[i1]) i1++;
else
{
- fputs_filtered("(Cannot find method ", stdout);
- fprintf_symbol_filtered (stdout, phys_name,
- language_cplus, DMGL_PARAMS);
- fputs_filtered(" - possibly inlined.)\n", stdout);
+ fputs_filtered("(Cannot find method ", gdb_stdout);
+ fprintf_symbol_filtered (gdb_stdout, phys_name,
+ language_cplus,
+ DMGL_PARAMS | DMGL_ANSI);
+ fputs_filtered(" - possibly inlined.)\n", gdb_stdout);
}
}
}
FUNCTION may be an undebuggable function found in minimal symbol table.
If the argument FUNFIRSTLINE is nonzero, we want the first line
- of real code inside a function when a function is specified.
+ of real code inside a function when a function is specified, and it is
+ not OK to specify a variable or type to get its line number.
DEFAULT_SYMTAB specifies the file to use if none is specified.
It defaults to current_source_symtab.
if no file is validly specified. Callers must check that.
Also, the line number returned may be invalid. */
+/* We allow single quotes in various places. This is a hideous
+ kludge, which exists because the completer can't yet deal with the
+ lack of single quotes. FIXME: write a linespec_completer which we
+ can use as appropriate instead of make_symbol_completion_list. */
+
struct symtabs_and_lines
decode_line_1 (argptr, funfirstline, default_symtab, default_line, canonical)
char **argptr;
struct symtab_and_line val;
#endif
register char *p, *p1;
- char *q, *q1;
+ char *q, *pp;
+#if 0
+ char *q1;
+#endif
register struct symtab *s;
register struct symbol *sym;
char *copy;
struct symbol *sym_class;
int i1;
- int is_quoted;
+ int is_quoted, has_parens;
struct symbol **sym_arr;
struct type *t;
char *saved_arg = *argptr;
if (**argptr == '*')
{
- if (**argptr == '*')
- {
- (*argptr)++;
- }
+ (*argptr)++;
pc = parse_and_eval_address_1 (argptr);
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
values.sals[0] = find_pc_line (pc, 0);
values.sals[0].pc = pc;
- build_canonical_line_spec (values.sals, NULL, canonical);
return values;
}
/* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
s = NULL;
- is_quoted = (strchr (gdb_completer_quote_characters, **argptr) != NULL);
+ is_quoted = (**argptr
+ && strchr (gdb_completer_quote_characters, **argptr) != NULL);
+ has_parens = ((pp = strchr (*argptr, '(')) != NULL
+ && (pp = strchr (pp, ')')) != NULL);
for (p = *argptr; *p; p++)
{
+ if (p[0] == '<')
+ {
+ while(++p && *p != '>');
+ if (!p)
+ {
+ error ("non-matching '<' and '>' in command");
+ }
+ }
if (p[0] == ':' || p[0] == ' ' || p[0] == '\t')
break;
}
while (p[0] == ' ' || p[0] == '\t') p++;
- if ((p[0] == ':') && !is_quoted)
+ if ((p[0] == ':') && !has_parens)
{
/* C++ */
+ if (is_quoted) *argptr = *argptr+1;
if (p[1] ==':')
{
/* Extract the class name. */
(struct symtab **)NULL);
if (sym_class &&
- ( TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_STRUCT
- || TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_UNION))
+ (t = check_typedef (SYMBOL_TYPE (sym_class)),
+ (TYPE_CODE (t) == TYPE_CODE_STRUCT
+ || TYPE_CODE (t) == TYPE_CODE_UNION)))
{
/* Arg token is not digits => try it as a function name
- Find the next token (everything up to end or next whitespace). */
- p = *argptr;
- while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p !=':') p++;
+ Find the next token(everything up to end or next blank). */
+ if (**argptr
+ && strchr (gdb_completer_quote_characters, **argptr) != NULL)
+ {
+ p = skip_quoted(*argptr);
+ *argptr = *argptr + 1;
+ }
+ else
+ {
+ p = *argptr;
+ while (*p && *p!=' ' && *p!='\t' && *p!=',' && *p!=':') p++;
+ }
+/*
q = operator_chars (*argptr, &q1);
-
if (q1 - q)
{
char *opname;
opname = cplus_mangle_opname (tmp, DMGL_ANSI);
if (opname == NULL)
{
- warning ("no mangling for \"%s\"", tmp);
+ error_begin ();
+ printf_filtered ("no mangling for \"%s\"\n", tmp);
cplusplus_hint (saved_arg);
return_to_top_level (RETURN_ERROR);
}
p = q1;
}
else
+*/
{
- copy = (char *) alloca (p - *argptr + 1 + (q1 - q));
+ copy = (char *) alloca (p - *argptr + 1 );
memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr] = '\0';
+ if (p != *argptr
+ && copy[p - *argptr - 1]
+ && strchr (gdb_completer_quote_characters,
+ copy[p - *argptr - 1]) != NULL)
+ copy[p - *argptr - 1] = '\0';
}
/* no line number may be specified */
sym = 0;
i1 = 0; /* counter for the symbol array */
- t = SYMBOL_TYPE (sym_class);
- sym_arr = (struct symbol **) alloca(TYPE_NFN_FIELDS_TOTAL (t) * sizeof(struct symbol*));
+ sym_arr = (struct symbol **) alloca(total_number_of_methods (t)
+ * sizeof(struct symbol *));
/* Cfront objects don't have fieldlists. */
if (destructor_name_p (copy, t) && TYPE_FN_FIELDLISTS (t) != NULL)
if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
{
- /* Arg is the name of a function */
- pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) + FUNCTION_START_OFFSET;
- if (funfirstline)
- SKIP_PROLOGUE (pc);
values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
- values.sals[0] = find_pc_line (pc, 0);
- values.sals[0].pc = (values.sals[0].end && values.sals[0].pc != pc) ? values.sals[0].end : pc;
+ values.sals[0] = find_function_start_sal (sym,
+ funfirstline);
}
else
{
}
else
tmp = copy;
+ error_begin ();
if (tmp[0] == '~')
- warning ("the class `%s' does not have destructor defined",
- SYMBOL_SOURCE_NAME(sym_class));
+ printf_filtered
+ ("the class `%s' does not have destructor defined\n",
+ SYMBOL_SOURCE_NAME(sym_class));
else
- warning ("the class %s does not have any method named %s",
- SYMBOL_SOURCE_NAME(sym_class), tmp);
+ printf_filtered
+ ("the class %s does not have any method named %s\n",
+ SYMBOL_SOURCE_NAME(sym_class), tmp);
cplusplus_hint (saved_arg);
return_to_top_level (RETURN_ERROR);
}
}
else
{
+ error_begin ();
/* The quotes are important if copy is empty. */
- warning ("can't find class, struct, or union named \"%s\"",
- copy);
+ printf_filtered
+ ("can't find class, struct, or union named \"%s\"\n", copy);
cplusplus_hint (saved_arg);
return_to_top_level (RETURN_ERROR);
}
/* Check whether arg is all digits (and sign) */
- p = *argptr;
- if (*p == '-' || *p == '+') p++;
- while (*p >= '0' && *p <= '9')
- p++;
+ q = *argptr;
+ if (*q == '-' || *q == '+') q++;
+ while (*q >= '0' && *q <= '9')
+ q++;
- if (p != *argptr && (*p == 0 || *p == ' ' || *p == '\t' || *p == ','))
+ if (q != *argptr && (*q == 0 || *q == ' ' || *q == '\t' || *q == ','))
{
/* We found a token consisting of all digits -- at least one digit. */
enum sign {none, plus, minus} sign = none;
switch (sign)
{
case plus:
- if (p == *argptr)
+ if (q == *argptr)
val.line = 5;
if (s == 0)
val.line = default_line + val.line;
break;
case minus:
- if (p == *argptr)
+ if (q == *argptr)
val.line = 15;
if (s == 0)
val.line = default_line - val.line;
break; /* No need to adjust val.line. */
}
- while (*p == ' ' || *p == '\t') p++;
- *argptr = p;
+ while (*q == ' ' || *q == '\t') q++;
+ *argptr = q;
if (s == 0)
s = default_symtab;
val.symtab = s;
/* Arg token is not digits => try it as a variable name
Find the next token (everything up to end or next whitespace). */
- p = skip_quoted (*argptr);
- if (is_quoted && p[-1] != '\'')
- error ("Unmatched single quote.");
+ if (**argptr == '$') /* Convenience variable */
+ p = skip_quoted (*argptr + 1);
+ else if (is_quoted)
+ {
+ p = skip_quoted (*argptr);
+ if (p[-1] != '\'')
+ error ("Unmatched single quote.");
+ }
+ else if (has_parens)
+ {
+ p = pp+1;
+ }
+ else
+ {
+ p = skip_quoted(*argptr);
+ }
+
copy = (char *) alloca (p - *argptr + 1);
memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr] = '\0';
- if ((copy[0] == copy [p - *argptr - 1])
+ if (p != *argptr
+ && copy[0]
+ && copy[0] == copy [p - *argptr - 1]
&& strchr (gdb_completer_quote_characters, copy[0]) != NULL)
{
copy [p - *argptr - 1] = '\0';
while (*p == ' ' || *p == '\t') p++;
*argptr = p;
+ /* See if it's a convenience variable */
+
+ if (*copy == '$')
+ {
+ value_ptr valx;
+ int need_canonical = (s == 0) ? 1 : 0;
+
+ valx = value_of_internalvar (lookup_internalvar (copy + 1));
+ if (TYPE_CODE (VALUE_TYPE (valx)) != TYPE_CODE_INT)
+ error ("Convenience variables used in line specs must have integer values.");
+
+ val.symtab = s ? s : default_symtab;
+ val.line = value_as_long (valx);
+ val.pc = 0;
+
+ values.sals = (struct symtab_and_line *)xmalloc (sizeof val);
+ values.sals[0] = val;
+ values.nelts = 1;
+
+ if (need_canonical)
+ build_canonical_line_spec (values.sals, NULL, canonical);
+
+ return values;
+ }
+
+
/* Look up that token as a variable.
If file specified, use that file's per-file block to start with. */
if (SYMBOL_CLASS (sym) == LOC_BLOCK)
{
/* Arg is the name of a function */
- pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) + FUNCTION_START_OFFSET;
- if (funfirstline)
- SKIP_PROLOGUE (pc);
- val = find_pc_line (pc, 0);
-#ifdef PROLOGUE_FIRSTLINE_OVERLAP
- /* Convex: no need to suppress code on first line, if any */
- val.pc = pc;
-#else
- /* Check if SKIP_PROLOGUE left us in mid-line, and the next
- line is still part of the same function. */
- if (val.pc != pc
- && BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) <= val.end
- && val.end < BLOCK_END (SYMBOL_BLOCK_VALUE (sym)))
- {
- /* First pc of next line */
- pc = val.end;
- /* Recalculate the line number (might not be N+1). */
- val = find_pc_line (pc, 0);
- }
- val.pc = pc;
-#endif
values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
- values.sals[0] = val;
+ values.sals[0] = find_function_start_sal (sym, funfirstline);
values.nelts = 1;
-
- /* I think this is always the same as the line that
- we calculate above, but the general principle is
- "trust the symbols more than stuff like
- SKIP_PROLOGUE". */
- if (SYMBOL_LINE (sym) != 0)
- values.sals[0].line = SYMBOL_LINE (sym);
-
- /* We might need a canonical line spec if it is a static function. */
+
+ /* Don't use the SYMBOL_LINE; if used at all it points to
+ the line containing the parameters or thereabouts, not
+ the first line of code. */
+
+ /* We might need a canonical line spec if it is a static
+ function. */
if (s == 0)
{
struct blockvector *bv = BLOCKVECTOR (sym_symtab);
}
return values;
}
- else if (SYMBOL_LINE (sym) != 0)
+ else
{
- /* We know its line number. */
- values.sals = (struct symtab_and_line *)
- xmalloc (sizeof (struct symtab_and_line));
- values.nelts = 1;
- memset (&values.sals[0], 0, sizeof (values.sals[0]));
- values.sals[0].symtab = sym_symtab;
- values.sals[0].line = SYMBOL_LINE (sym);
- return values;
+ if (funfirstline)
+ error ("\"%s\" is not a function", copy);
+ else if (SYMBOL_LINE (sym) != 0)
+ {
+ /* We know its line number. */
+ values.sals = (struct symtab_and_line *)
+ xmalloc (sizeof (struct symtab_and_line));
+ values.nelts = 1;
+ memset (&values.sals[0], 0, sizeof (values.sals[0]));
+ values.sals[0].symtab = sym_symtab;
+ values.sals[0].line = SYMBOL_LINE (sym);
+ return values;
+ }
+ else
+ /* This can happen if it is compiled with a compiler which doesn't
+ put out line numbers for variables. */
+ /* FIXME: Shouldn't we just set .line and .symtab to zero
+ and return? For example, "info line foo" could print
+ the address. */
+ error ("Line number not known for symbol \"%s\"", copy);
}
- else
- /* This can happen if it is compiled with a compiler which doesn't
- put out line numbers for variables. */
- /* FIXME: Shouldn't we just set .line and .symtab to zero and
- return? For example, "info line foo" could print the address. */
- error ("Line number not known for symbol \"%s\"", copy);
}
- msymbol = lookup_minimal_symbol (copy, (struct objfile *) NULL);
+ msymbol = lookup_minimal_symbol (copy, NULL, NULL);
if (msymbol != NULL)
{
val.symtab = 0;
val.line = 0;
- val.pc = SYMBOL_VALUE_ADDRESS (msymbol) + FUNCTION_START_OFFSET;
+ val.pc = SYMBOL_VALUE_ADDRESS (msymbol);
if (funfirstline)
- SKIP_PROLOGUE (val.pc);
+ {
+ val.pc += FUNCTION_START_OFFSET;
+ SKIP_PROLOGUE (val.pc);
+ }
values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
values.sals[0] = val;
values.nelts = 1;
char ***canonical;
{
struct symtabs_and_lines values, return_values;
- register CORE_ADDR pc;
char *args, *arg1;
int i;
char *prompt;
}
i = 0;
- printf("[0] cancel\n[1] all\n");
+ printf_unfiltered("[0] cancel\n[1] all\n");
while (i < nelts)
{
if (sym_arr[i] && SYMBOL_CLASS (sym_arr[i]) == LOC_BLOCK)
{
- /* Arg is the name of a function */
- pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym_arr[i]))
- + FUNCTION_START_OFFSET;
- if (funfirstline)
- SKIP_PROLOGUE (pc);
- values.sals[i] = find_pc_line (pc, 0);
- values.sals[i].pc = (values.sals[i].end && values.sals[i].pc != pc) ?
- values.sals[i].end : pc;
- printf("[%d] %s at %s:%d\n", (i+2), SYMBOL_SOURCE_NAME (sym_arr[i]),
- values.sals[i].symtab->filename, values.sals[i].line);
+ values.sals[i] = find_function_start_sal (sym_arr[i], funfirstline);
+ printf_unfiltered ("[%d] %s at %s:%d\n",
+ (i+2),
+ SYMBOL_SOURCE_NAME (sym_arr[i]),
+ values.sals[i].symtab->filename,
+ values.sals[i].line);
}
- else printf ("?HERE\n");
+ else
+ printf_unfiltered ("?HERE\n");
i++;
}
{
prompt = ">";
}
- printf("%s ",prompt);
- fflush(stdout);
+ printf_unfiltered("%s ",prompt);
+ gdb_flush(gdb_stdout);
- args = command_line_input ((char *) NULL, 0);
+ args = command_line_input ((char *) NULL, 0, "overload-choice");
if (args == 0 || *args == 0)
error_no_arg ("one or more choice numbers");
if (num > nelts + 2)
{
- printf ("No choice number %d.\n", num);
+ printf_unfiltered ("No choice number %d.\n", num);
}
else
{
}
else
{
- printf ("duplicate request for %d ignored.\n", num);
+ printf_unfiltered ("duplicate request for %d ignored.\n", num);
}
}
}
wrap_here ("");
- fputs_filtered (name, stdout);
+ fputs_filtered (name, gdb_stdout);
}
static void
we find. */
static void
-list_symbols (regexp, class, bpt)
+list_symbols (regexp, class, bpt, from_tty)
char *regexp;
int class;
int bpt;
+ int from_tty;
{
register struct symtab *s;
register struct partial_symtab *ps;
static enum minimal_symbol_type types[]
= {mst_data, mst_text, mst_abs, mst_unknown};
static enum minimal_symbol_type types2[]
- = {mst_bss, mst_text, mst_abs, mst_unknown};
+ = {mst_bss, mst_file_text, mst_abs, mst_unknown};
+ static enum minimal_symbol_type types3[]
+ = {mst_file_data, mst_solib_trampoline, mst_abs, mst_unknown};
+ static enum minimal_symbol_type types4[]
+ = {mst_file_bss, mst_text, mst_abs, mst_unknown};
enum minimal_symbol_type ourtype = types[class];
enum minimal_symbol_type ourtype2 = types2[class];
+ enum minimal_symbol_type ourtype3 = types3[class];
+ enum minimal_symbol_type ourtype4 = types4[class];
if (regexp != NULL)
{
}
}
- /* Here, we search through the minimal symbol tables for functions that
- match, and call find_pc_symtab on them to force their symbols to
- be read. The symbol will then be found during the scan of symtabs
- below. If find_pc_symtab fails, set found_misc so that we will
- rescan to print any matching symbols without debug info. */
+ /* Here, we search through the minimal symbol tables for functions
+ and variables that match, and force their symbols to be read.
+ This is in particular necessary for demangled variable names,
+ which are no longer put into the partial symbol tables.
+ The symbol will then be found during the scan of symtabs below.
+
+ For functions, find_pc_symtab should succeed if we have debug info
+ for the function, for variables we have to call lookup_symbol
+ to determine if the variable has debug info.
+ If the lookup fails, set found_misc so that we will rescan to print
+ any matching symbols without debug info.
+ */
- if (class == 1)
+ if (class == 0 || class == 1)
{
ALL_MSYMBOLS (objfile, msymbol)
{
if (MSYMBOL_TYPE (msymbol) == ourtype ||
- MSYMBOL_TYPE (msymbol) == ourtype2)
+ MSYMBOL_TYPE (msymbol) == ourtype2 ||
+ MSYMBOL_TYPE (msymbol) == ourtype3 ||
+ MSYMBOL_TYPE (msymbol) == ourtype4)
{
if (regexp == NULL || SYMBOL_MATCHES_REGEXP (msymbol))
{
if (0 == find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol)))
{
- found_misc = 1;
+ if (class == 1
+ || lookup_symbol (SYMBOL_NAME (msymbol),
+ (struct block *) NULL,
+ VAR_NAMESPACE,
+ 0, (struct symtab **) NULL) == NULL)
+ found_misc = 1;
}
}
}
same name but in different files. In order to
set breakpoints on all of them, we must give
both the file name and the function name to
- break_command. */
+ break_command.
+ Quoting the symbol name gets rid of problems
+ with mangled symbol names that contain
+ CPLUS_MARKER characters. */
char *string =
(char *) alloca (strlen (s->filename)
+ strlen (SYMBOL_NAME(sym))
- + 2);
+ + 4);
strcpy (string, s->filename);
- strcat (string, ":");
+ strcat (string, ":'");
strcat (string, SYMBOL_NAME(sym));
- break_command (string, 0);
+ strcat (string, "'");
+ break_command (string, from_tty);
}
}
else if (!found_in_file)
{
- fputs_filtered ("\nFile ", stdout);
- fputs_filtered (s->filename, stdout);
- fputs_filtered (":\n", stdout);
+ fputs_filtered ("\nFile ", gdb_stdout);
+ fputs_filtered (s->filename, gdb_stdout);
+ fputs_filtered (":\n", gdb_stdout);
}
found_in_file = 1;
/* Typedef that is not a C++ class */
if (class == 2
&& SYMBOL_NAMESPACE (sym) != STRUCT_NAMESPACE)
- c_typedef_print (SYMBOL_TYPE(sym), sym, stdout);
+ c_typedef_print (SYMBOL_TYPE(sym), sym, gdb_stdout);
/* variable, func, or typedef-that-is-c++-class */
else if (class < 2 ||
(class == 2 &&
type_print (SYMBOL_TYPE (sym),
(SYMBOL_CLASS (sym) == LOC_TYPEDEF
? "" : SYMBOL_SOURCE_NAME (sym)),
- stdout, 0);
+ gdb_stdout, 0);
printf_filtered (";\n");
}
# if 0 /* FIXME, why is this zapped out? */
char buf[1024];
c_type_print_base (TYPE_FN_FIELD_TYPE(t, i),
- stdout, 0, 0);
+ gdb_stdout, 0, 0);
c_type_print_varspec_prefix (TYPE_FN_FIELD_TYPE(t, i),
- stdout, 0);
+ gdb_stdout, 0);
sprintf (buf, " %s::", type_name_no_tag (t));
cp_type_print_method_args (TYPE_FN_FIELD_ARGS (t, i),
- buf, name, stdout);
+ buf, name, gdb_stdout);
# endif
}
}
ALL_MSYMBOLS (objfile, msymbol)
{
if (MSYMBOL_TYPE (msymbol) == ourtype ||
- MSYMBOL_TYPE (msymbol) == ourtype2)
+ MSYMBOL_TYPE (msymbol) == ourtype2 ||
+ MSYMBOL_TYPE (msymbol) == ourtype3 ||
+ MSYMBOL_TYPE (msymbol) == ourtype4)
{
if (regexp == NULL || SYMBOL_MATCHES_REGEXP (msymbol))
{
(struct block *) NULL, VAR_NAMESPACE,
0, (struct symtab **) NULL) == NULL)
{
+ if (bpt)
+ {
+ break_command (SYMBOL_NAME (msymbol), from_tty);
+ printf_filtered ("<function, no debug info> %s;\n",
+ SYMBOL_SOURCE_NAME (msymbol));
+ continue;
+ }
if (!found_in_file)
{
printf_filtered ("\nNon-debugging symbols:\n");
found_in_file = 1;
}
- printf_filtered (" %08x %s\n",
- SYMBOL_VALUE_ADDRESS (msymbol),
+ printf_filtered (" %08lx %s\n",
+ (unsigned long) SYMBOL_VALUE_ADDRESS (msymbol),
SYMBOL_SOURCE_NAME (msymbol));
}
}
char *regexp;
int from_tty;
{
- list_symbols (regexp, 0, 0);
+ list_symbols (regexp, 0, 0, from_tty);
}
static void
char *regexp;
int from_tty;
{
- list_symbols (regexp, 1, 0);
+ list_symbols (regexp, 1, 0, from_tty);
}
static void
char *regexp;
int from_tty;
{
- list_symbols (regexp, 2, 0);
+ list_symbols (regexp, 2, 0, from_tty);
}
#if 0
methods_info (regexp)
char *regexp;
{
- list_symbols (regexp, 3, 0);
+ list_symbols (regexp, 3, 0, from_tty);
}
#endif /* 0 */
char *regexp;
int from_tty;
{
- list_symbols (regexp, 1, 1);
+ list_symbols (regexp, 1, 1, from_tty);
}
\f
strcat (new, symname);
}
+ /* Recheck for duplicates if we intend to add a modified symbol. */
+ if (word != sym_text)
+ {
+ for (i = 0; i < return_val_index; ++i)
+ {
+ if (STREQ (new, return_val[i]))
+ {
+ free (new);
+ return;
+ }
+ }
+ }
+
if (return_val_index + 3 > return_val_size)
{
newsize = (return_val_size *= 2) * sizeof (char *);
return (return_val);
}
-\f
-#if 0
-/* Add the type of the symbol sym to the type of the current
- function whose block we are in (assumed). The type of
- this current function is contained in *TYPE.
-
- This basically works as follows: When we find a function
- symbol (N_FUNC with a 'f' or 'F' in the symbol name), we record
- a pointer to its type in the global in_function_type. Every
- time we come across a parameter symbol ('p' in its name), then
- this procedure adds the name and type of that parameter
- to the function type pointed to by *TYPE. (Which should correspond
- to in_function_type if it was called correctly).
-
- Note that since we are modifying a type, the result of
- lookup_function_type() should be memcpy()ed before calling
- this. When not in strict typing mode, the expression
- evaluator can choose to ignore this.
-
- Assumption: All of a function's parameter symbols will
- appear before another function symbol is found. The parameters
- appear in the same order in the argument list as they do in the
- symbol table. */
+/* Determine if PC is in the prologue of a function. The prologue is the area
+ between the first instruction of a function, and the first executable line.
+ Returns 1 if PC *might* be in prologue, 0 if definately *not* in prologue.
-void
-add_param_to_type (type,sym)
- struct type **type;
- struct symbol *sym;
+ If non-zero, func_start is where we thing the prologue starts, possibly
+ by previous examination of symbol table information.
+ */
+
+int
+in_prologue (pc, func_start)
+ CORE_ADDR pc;
+ CORE_ADDR func_start;
{
- int num = ++(TYPE_NFIELDS(*type));
-
- if(TYPE_NFIELDS(*type)-1)
- TYPE_FIELDS(*type) = (struct field *)
- (*current_objfile->xrealloc) ((char *)(TYPE_FIELDS(*type)),
- num*sizeof(struct field));
- else
- TYPE_FIELDS(*type) = (struct field *)
- (*current_objfile->xmalloc) (num*sizeof(struct field));
-
- TYPE_FIELD_BITPOS(*type,num-1) = num-1;
- TYPE_FIELD_BITSIZE(*type,num-1) = 0;
- TYPE_FIELD_TYPE(*type,num-1) = SYMBOL_TYPE(sym);
- TYPE_FIELD_NAME(*type,num-1) = SYMBOL_NAME(sym);
+ struct symtab_and_line sal;
+ CORE_ADDR func_addr, func_end;
+
+ if (!find_pc_partial_function (pc, NULL, &func_addr, &func_end))
+ goto nosyms; /* Might be in prologue */
+
+ sal = find_pc_line (func_addr, 0);
+
+ if (sal.line == 0)
+ goto nosyms;
+
+ if (sal.end > func_addr
+ && sal.end <= func_end) /* Is prologue in function? */
+ return pc < sal.end; /* Yes, is pc in prologue? */
+
+ /* The line after the prologue seems to be outside the function. In this
+ case, tell the caller to find the prologue the hard way. */
+
+ return 1;
+
+/* Come here when symtabs don't contain line # info. In this case, it is
+ likely that the user has stepped into a library function w/o symbols, or
+ is doing a stepi/nexti through code without symbols. */
+
+ nosyms:
+
+/* If func_start is zero (meaning unknown) then we don't know whether pc is
+ in the prologue or not. I.E. it might be. */
+
+ if (!func_start) return 1;
+
+/* We need to call the target-specific prologue skipping functions with the
+ function's start address because PC may be pointing at an instruction that
+ could be mistakenly considered part of the prologue. */
+
+ SKIP_PROLOGUE (func_start);
+
+ return pc < func_start;
}
-#endif
+
\f
void
_initialize_symtab ()
projects / binutils.git / blobdiff