/* Symbol table lookup for the GNU debugger, GDB.
Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
- Free Software Foundation, Inc.
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
+ 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
#include "source.h"
#include "filenames.h" /* for FILENAME_CMP */
#include "objc-lang.h"
+#include "d-lang.h"
#include "ada-lang.h"
#include "p-lang.h"
#include "addrmap.h"
#include "gdb_stat.h"
#include <ctype.h>
#include "cp-abi.h"
+#include "cp-support.h"
#include "observer.h"
#include "gdb_assert.h"
#include "solist.h"
+#include "macrotab.h"
+#include "macroscope.h"
+
+#include "psymtab.h"
/* Prototypes for local functions */
char *operator_chars (char *p, char **end);
static struct symbol *lookup_symbol_aux (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain,
enum language language,
static
struct symbol *lookup_symbol_aux_local (const char *name,
- const char *linkage_name,
const struct block *block,
- const domain_enum domain);
+ const domain_enum domain,
+ enum language language);
static
struct symbol *lookup_symbol_aux_symtabs (int block_index,
const char *name,
- const char *linkage_name,
const domain_enum domain);
static
-struct symbol *lookup_symbol_aux_psymtabs (int block_index,
- const char *name,
- const char *linkage_name,
- const domain_enum domain);
-
-static int file_matches (char *, char **, int);
+struct symbol *lookup_symbol_aux_quick (struct objfile *objfile,
+ int block_index,
+ const char *name,
+ const domain_enum domain);
static void print_symbol_info (domain_enum,
struct symtab *, struct symbol *, int, char *);
return multiple_symbols_mode;
}
-/* The single non-language-specific builtin type */
-struct type *builtin_type_error;
-
/* Block in which the most recently searched-for symbol was found.
- Might be better to make this a parameter to lookup_symbol and
+ Might be better to make this a parameter to lookup_symbol and
value_of_this. */
const struct block *block_found;
struct symtab *
lookup_symtab (const char *name)
{
- struct symtab *s;
- struct partial_symtab *ps;
+ int found;
+ struct symtab *s = NULL;
struct objfile *objfile;
char *real_path = NULL;
char *full_path = NULL;
{
return s;
}
-
+
/* If the user gave us an absolute path, try to find the file in
this symtab and use its absolute path. */
-
+
if (full_path != NULL)
{
const char *fp = symtab_to_fullname (s);
+
if (fp != NULL && FILENAME_CMP (full_path, fp) == 0)
{
return s;
if (real_path != NULL)
{
char *fullname = symtab_to_fullname (s);
+
if (fullname != NULL)
{
char *rp = gdb_realpath (fullname);
+
make_cleanup (xfree, rp);
if (FILENAME_CMP (real_path, rp) == 0)
{
/* Same search rules as above apply here, but now we look thru the
psymtabs. */
- ps = lookup_partial_symtab (name);
- if (!ps)
- return (NULL);
-
- if (ps->readin)
- error (_("Internal: readin %s pst for `%s' found when no symtab found."),
- ps->filename, name);
-
- s = PSYMTAB_TO_SYMTAB (ps);
+ found = 0;
+ ALL_OBJFILES (objfile)
+ {
+ if (objfile->sf
+ && objfile->sf->qf->lookup_symtab (objfile, name, full_path, real_path,
+ &s))
+ {
+ found = 1;
+ break;
+ }
+ }
- if (s)
+ if (s != NULL)
return s;
+ if (!found)
+ return NULL;
/* At this point, we have located the psymtab for this file, but
the conversion to a symtab has failed. This usually happens
symbol parsing routines. */
goto got_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 (const char *name)
-{
- struct partial_symtab *pst;
- struct objfile *objfile;
- char *full_path = NULL;
- char *real_path = NULL;
-
- /* Here we are interested in canonicalizing an absolute path, not
- absolutizing a relative path. */
- if (IS_ABSOLUTE_PATH (name))
- {
- full_path = xfullpath (name);
- make_cleanup (xfree, full_path);
- real_path = gdb_realpath (name);
- make_cleanup (xfree, real_path);
- }
-
- ALL_PSYMTABS (objfile, pst)
- {
- if (FILENAME_CMP (name, pst->filename) == 0)
- {
- return (pst);
- }
-
- /* If the user gave us an absolute path, try to find the file in
- this symtab and use its absolute path. */
- if (full_path != NULL)
- {
- psymtab_to_fullname (pst);
- if (pst->fullname != NULL
- && FILENAME_CMP (full_path, pst->fullname) == 0)
- {
- return pst;
- }
- }
-
- if (real_path != NULL)
- {
- char *rp = NULL;
- psymtab_to_fullname (pst);
- if (pst->fullname != NULL)
- {
- rp = gdb_realpath (pst->fullname);
- make_cleanup (xfree, rp);
- }
- if (rp != NULL && FILENAME_CMP (real_path, rp) == 0)
- {
- return pst;
- }
- }
- }
-
- /* Now, search for a matching tail (only if name doesn't have any dirs) */
-
- if (lbasename (name) == name)
- ALL_PSYMTABS (objfile, pst)
- {
- if (FILENAME_CMP (lbasename (pst->filename), name) == 0)
- return (pst);
- }
-
- return (NULL);
-}
\f
/* Mangle a GDB method stub type. This actually reassembles the pieces of the
full method name, which consist of the class name (from T), the unadorned
is_full_physname_constructor = is_constructor_name (physname);
- is_constructor =
- is_full_physname_constructor || (newname && strcmp (field_name, newname) == 0);
+ is_constructor = is_full_physname_constructor
+ || (newname && strcmp (field_name, newname) == 0);
if (!is_destructor)
is_destructor = (strncmp (physname, "__dt", 4) == 0);
mangled_name_len = ((is_constructor ? 0 : strlen (field_name))
+ strlen (buf) + len + strlen (physname) + 1);
- {
- mangled_name = (char *) xmalloc (mangled_name_len);
- if (is_constructor)
- mangled_name[0] = '\0';
- else
- strcpy (mangled_name, field_name);
- }
+ mangled_name = (char *) xmalloc (mangled_name_len);
+ if (is_constructor)
+ mangled_name[0] = '\0';
+ else
+ strcpy (mangled_name, field_name);
+
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
return (mangled_name);
}
+/* Initialize the cplus_specific structure. 'cplus_specific' should
+ only be allocated for use with cplus symbols. */
+
+static void
+symbol_init_cplus_specific (struct general_symbol_info *gsymbol,
+ struct objfile *objfile)
+{
+ /* A language_specific structure should not have been previously
+ initialized. */
+ gdb_assert (gsymbol->language_specific.cplus_specific == NULL);
+ gdb_assert (objfile != NULL);
+
+ gsymbol->language_specific.cplus_specific =
+ OBSTACK_ZALLOC (&objfile->objfile_obstack, struct cplus_specific);
+}
+
+/* Set the demangled name of GSYMBOL to NAME. NAME must be already
+ correctly allocated. For C++ symbols a cplus_specific struct is
+ allocated so OBJFILE must not be NULL. If this is a non C++ symbol
+ OBJFILE can be NULL. */
+void
+symbol_set_demangled_name (struct general_symbol_info *gsymbol,
+ char *name,
+ struct objfile *objfile)
+{
+ if (gsymbol->language == language_cplus)
+ {
+ if (gsymbol->language_specific.cplus_specific == NULL)
+ symbol_init_cplus_specific (gsymbol, objfile);
+
+ gsymbol->language_specific.cplus_specific->demangled_name = name;
+ }
+ else
+ gsymbol->language_specific.mangled_lang.demangled_name = name;
+}
+
+/* Return the demangled name of GSYMBOL. */
+char *
+symbol_get_demangled_name (const struct general_symbol_info *gsymbol)
+{
+ if (gsymbol->language == language_cplus)
+ {
+ if (gsymbol->language_specific.cplus_specific != NULL)
+ return gsymbol->language_specific.cplus_specific->demangled_name;
+ else
+ return NULL;
+ }
+ else
+ return gsymbol->language_specific.mangled_lang.demangled_name;
+}
+
\f
/* Initialize the language dependent portion of a symbol
depending upon the language for the symbol. */
void
-symbol_init_language_specific (struct general_symbol_info *gsymbol,
- enum language language)
+symbol_set_language (struct general_symbol_info *gsymbol,
+ enum language language)
{
gsymbol->language = language;
- if (gsymbol->language == language_cplus
+ if (gsymbol->language == language_d
|| gsymbol->language == language_java
- || gsymbol->language == language_objc)
+ || gsymbol->language == language_objc
+ || gsymbol->language == language_fortran)
{
- gsymbol->language_specific.cplus_specific.demangled_name = NULL;
+ symbol_set_demangled_name (gsymbol, NULL, NULL);
}
+ else if (gsymbol->language == language_cplus)
+ gsymbol->language_specific.cplus_specific = NULL;
else
{
memset (&gsymbol->language_specific, 0,
/* Functions to initialize a symbol's mangled name. */
+/* Objects of this type are stored in the demangled name hash table. */
+struct demangled_name_entry
+{
+ char *mangled;
+ char demangled[1];
+};
+
+/* Hash function for the demangled name hash. */
+static hashval_t
+hash_demangled_name_entry (const void *data)
+{
+ const struct demangled_name_entry *e = data;
+
+ return htab_hash_string (e->mangled);
+}
+
+/* Equality function for the demangled name hash. */
+static int
+eq_demangled_name_entry (const void *a, const void *b)
+{
+ const struct demangled_name_entry *da = a;
+ const struct demangled_name_entry *db = b;
+
+ return strcmp (da->mangled, db->mangled) == 0;
+}
+
/* Create the hash table used for demangled names. Each hash entry is
a pair of strings; one for the mangled name and one for the demangled
name. The entry is hashed via just the mangled name. */
create_demangled_names_hash (struct objfile *objfile)
{
/* Choose 256 as the starting size of the hash table, somewhat arbitrarily.
- The hash table code will round this up to the next prime number.
+ The hash table code will round this up to the next prime number.
Choosing a much larger table size wastes memory, and saves only about
1% in symbol reading. */
objfile->demangled_names_hash = htab_create_alloc
- (256, htab_hash_string, (int (*) (const void *, const void *)) streq,
+ (256, hash_demangled_name_entry, eq_demangled_name_entry,
NULL, xcalloc, xfree);
}
|| gsymbol->language == language_auto)
{
demangled =
- cplus_demangle (mangled, DMGL_PARAMS | DMGL_ANSI);
+ cplus_demangle (mangled, DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE);
if (demangled != NULL)
{
gsymbol->language = language_cplus;
return demangled;
}
}
+ if (gsymbol->language == language_d
+ || gsymbol->language == language_auto)
+ {
+ demangled = d_demangle(mangled, 0);
+ if (demangled != NULL)
+ {
+ gsymbol->language = language_d;
+ return demangled;
+ }
+ }
+ /* We could support `gsymbol->language == language_fortran' here to provide
+ module namespaces also for inferiors with only minimal symbol table (ELF
+ symbols). Just the mangling standard is not standardized across compilers
+ and there is no DW_AT_producer available for inferiors with only the ELF
+ symbols to check the mangling kind. */
return NULL;
}
/* Set both the mangled and demangled (if any) names for GSYMBOL based
- on LINKAGE_NAME and LEN. The hash table corresponding to OBJFILE
- is used, and the memory comes from that objfile's objfile_obstack.
- LINKAGE_NAME is copied, so the pointer can be discarded after
- calling this function. */
+ on LINKAGE_NAME and LEN. Ordinarily, NAME is copied onto the
+ objfile's obstack; but if COPY_NAME is 0 and if NAME is
+ NUL-terminated, then this function assumes that NAME is already
+ correctly saved (either permanently or with a lifetime tied to the
+ objfile), and it will not be copied.
+
+ The hash table corresponding to OBJFILE is used, and the memory
+ comes from that objfile's objfile_obstack. LINKAGE_NAME is copied,
+ so the pointer can be discarded after calling this function. */
/* We have to be careful when dealing with Java names: when we run
into a Java minimal symbol, we don't know it's a Java symbol, so it
void
symbol_set_names (struct general_symbol_info *gsymbol,
- const char *linkage_name, int len, struct objfile *objfile)
+ const char *linkage_name, int len, int copy_name,
+ struct objfile *objfile)
{
- char **slot;
+ struct demangled_name_entry **slot;
/* A 0-terminated copy of the linkage name. */
const char *linkage_name_copy;
/* A copy of the linkage name that might have a special Java prefix
const char *lookup_name;
/* The length of lookup_name. */
int lookup_len;
-
- if (objfile->demangled_names_hash == NULL)
- create_demangled_names_hash (objfile);
+ struct demangled_name_entry entry;
if (gsymbol->language == language_ada)
{
been observed with Java. Because we don't store the demangled
name with the symbol, we don't need to use the same trick
as Java. */
- gsymbol->name = obstack_alloc (&objfile->objfile_obstack, len + 1);
- memcpy (gsymbol->name, linkage_name, len);
- gsymbol->name[len] = '\0';
- gsymbol->language_specific.cplus_specific.demangled_name = NULL;
+ if (!copy_name)
+ gsymbol->name = (char *) linkage_name;
+ else
+ {
+ gsymbol->name = obstack_alloc (&objfile->objfile_obstack, len + 1);
+ memcpy (gsymbol->name, linkage_name, len);
+ gsymbol->name[len] = '\0';
+ }
+ symbol_set_demangled_name (gsymbol, NULL, NULL);
return;
}
+ if (objfile->demangled_names_hash == NULL)
+ create_demangled_names_hash (objfile);
+
/* The stabs reader generally provides names that are not
NUL-terminated; most of the other readers don't do this, so we
can just use the given copy, unless we're in the Java case. */
if (gsymbol->language == language_java)
{
char *alloc_name;
- lookup_len = len + JAVA_PREFIX_LEN;
+ lookup_len = len + JAVA_PREFIX_LEN;
alloc_name = alloca (lookup_len + 1);
memcpy (alloc_name, JAVA_PREFIX, JAVA_PREFIX_LEN);
memcpy (alloc_name + JAVA_PREFIX_LEN, linkage_name, len);
else if (linkage_name[len] != '\0')
{
char *alloc_name;
- lookup_len = len;
+ lookup_len = len;
alloc_name = alloca (lookup_len + 1);
memcpy (alloc_name, linkage_name, len);
alloc_name[lookup_len] = '\0';
linkage_name_copy = linkage_name;
}
- slot = (char **) htab_find_slot (objfile->demangled_names_hash,
- lookup_name, INSERT);
+ entry.mangled = (char *) lookup_name;
+ slot = ((struct demangled_name_entry **)
+ htab_find_slot (objfile->demangled_names_hash,
+ &entry, INSERT));
/* If this name is not in the hash table, add it. */
if (*slot == NULL)
linkage_name_copy);
int demangled_len = demangled_name ? strlen (demangled_name) : 0;
- /* If there is a demangled name, place it right after the mangled name.
- Otherwise, just place a second zero byte after the end of the mangled
- name. */
- *slot = obstack_alloc (&objfile->objfile_obstack,
- lookup_len + demangled_len + 2);
- memcpy (*slot, lookup_name, lookup_len + 1);
+ /* Suppose we have demangled_name==NULL, copy_name==0, and
+ lookup_name==linkage_name. In this case, we already have the
+ mangled name saved, and we don't have a demangled name. So,
+ you might think we could save a little space by not recording
+ this in the hash table at all.
+
+ It turns out that it is actually important to still save such
+ an entry in the hash table, because storing this name gives
+ us better bcache hit rates for partial symbols. */
+ if (!copy_name && lookup_name == linkage_name)
+ {
+ *slot = obstack_alloc (&objfile->objfile_obstack,
+ offsetof (struct demangled_name_entry,
+ demangled)
+ + demangled_len + 1);
+ (*slot)->mangled = (char *) lookup_name;
+ }
+ else
+ {
+ /* If we must copy the mangled name, put it directly after
+ the demangled name so we can have a single
+ allocation. */
+ *slot = obstack_alloc (&objfile->objfile_obstack,
+ offsetof (struct demangled_name_entry,
+ demangled)
+ + lookup_len + demangled_len + 2);
+ (*slot)->mangled = &((*slot)->demangled[demangled_len + 1]);
+ strcpy ((*slot)->mangled, lookup_name);
+ }
+
if (demangled_name != NULL)
{
- memcpy (*slot + lookup_len + 1, demangled_name, demangled_len + 1);
+ strcpy ((*slot)->demangled, demangled_name);
xfree (demangled_name);
}
else
- (*slot)[lookup_len + 1] = '\0';
+ (*slot)->demangled[0] = '\0';
}
- gsymbol->name = *slot + lookup_len - len;
- if ((*slot)[lookup_len + 1] != '\0')
- gsymbol->language_specific.cplus_specific.demangled_name
- = &(*slot)[lookup_len + 1];
+ gsymbol->name = (*slot)->mangled + lookup_len - len;
+ if ((*slot)->demangled[0] != '\0')
+ symbol_set_demangled_name (gsymbol, (*slot)->demangled, objfile);
else
- gsymbol->language_specific.cplus_specific.demangled_name = NULL;
+ symbol_set_demangled_name (gsymbol, NULL, objfile);
}
/* Return the source code name of a symbol. In languages where
char *
symbol_natural_name (const struct general_symbol_info *gsymbol)
{
- switch (gsymbol->language)
+ switch (gsymbol->language)
{
case language_cplus:
+ case language_d:
case language_java:
case language_objc:
- if (gsymbol->language_specific.cplus_specific.demangled_name != NULL)
- return gsymbol->language_specific.cplus_specific.demangled_name;
+ case language_fortran:
+ if (symbol_get_demangled_name (gsymbol) != NULL)
+ return symbol_get_demangled_name (gsymbol);
break;
case language_ada:
- if (gsymbol->language_specific.cplus_specific.demangled_name != NULL)
- return gsymbol->language_specific.cplus_specific.demangled_name;
+ if (symbol_get_demangled_name (gsymbol) != NULL)
+ return symbol_get_demangled_name (gsymbol);
else
return ada_decode_symbol (gsymbol);
break;
/* Return the demangled name for a symbol based on the language for
that symbol. If no demangled name exists, return NULL. */
char *
-symbol_demangled_name (struct general_symbol_info *gsymbol)
+symbol_demangled_name (const struct general_symbol_info *gsymbol)
{
- switch (gsymbol->language)
+ switch (gsymbol->language)
{
case language_cplus:
+ case language_d:
case language_java:
case language_objc:
- if (gsymbol->language_specific.cplus_specific.demangled_name != NULL)
- return gsymbol->language_specific.cplus_specific.demangled_name;
+ case language_fortran:
+ if (symbol_get_demangled_name (gsymbol) != NULL)
+ return symbol_get_demangled_name (gsymbol);
break;
case language_ada:
- if (gsymbol->language_specific.cplus_specific.demangled_name != NULL)
- return gsymbol->language_specific.cplus_specific.demangled_name;
+ if (symbol_get_demangled_name (gsymbol) != NULL)
+ return symbol_get_demangled_name (gsymbol);
else
return ada_decode_symbol (gsymbol);
break;
/* Return the search name of a symbol---generally the demangled or
linkage name of the symbol, depending on how it will be searched for.
- If there is no distinct demangled name, then returns the same value
+ If there is no distinct demangled name, then returns the same value
(same pointer) as SYMBOL_LINKAGE_NAME. */
char *
symbol_search_name (const struct general_symbol_info *gsymbol)
void
init_sal (struct symtab_and_line *sal)
{
+ sal->pspace = NULL;
sal->symtab = 0;
sal->section = 0;
sal->line = 0;
file and another in a separated debug file. */
int
-matching_bfd_sections (asection *first, asection *second)
+matching_obj_sections (struct obj_section *obj_first,
+ struct obj_section *obj_second)
{
+ asection *first = obj_first? obj_first->the_bfd_section : NULL;
+ asection *second = obj_second? obj_second->the_bfd_section : NULL;
struct objfile *obj;
/* If they're the same section, then they match. */
return 0;
}
-/* Find which partial symtab contains PC and SECTION starting at psymtab PST.
- We may find a different psymtab than PST. See FIND_PC_SECT_PSYMTAB. */
-
-struct partial_symtab *
-find_pc_sect_psymtab_closer (CORE_ADDR pc, asection *section,
- struct partial_symtab *pst,
- struct minimal_symbol *msymbol)
-{
- struct objfile *objfile = pst->objfile;
- struct partial_symtab *tpst;
- struct partial_symtab *best_pst = pst;
- CORE_ADDR best_addr = pst->textlow;
-
- /* 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) &&
- section == 0) /* can't validate section this way */
- return pst;
-
- if (msymbol == NULL)
- return (pst);
-
- /* The code range of partial symtabs sometimes overlap, so, in
- the loop below, we need to check all partial symtabs and
- find the one that fits better for the given PC address. We
- select the partial symtab that contains a symbol whose
- address is closest to the PC address. By closest we mean
- that find_pc_sect_symbol returns the symbol with address
- that is closest and still less than the given PC. */
- for (tpst = pst; tpst != NULL; tpst = tpst->next)
- {
- if (pc >= tpst->textlow && pc < tpst->texthigh)
- {
- struct partial_symbol *p;
- CORE_ADDR this_addr;
-
- /* NOTE: This assumes that every psymbol has a
- corresponding msymbol, which is not necessarily
- true; the debug info might be much richer than the
- object's symbol table. */
- p = find_pc_sect_psymbol (tpst, pc, section);
- if (p != NULL
- && SYMBOL_VALUE_ADDRESS (p)
- == SYMBOL_VALUE_ADDRESS (msymbol))
- return tpst;
-
- /* Also accept the textlow value of a psymtab as a
- "symbol", to provide some support for partial
- symbol tables with line information but no debug
- symbols (e.g. those produced by an assembler). */
- if (p != NULL)
- this_addr = SYMBOL_VALUE_ADDRESS (p);
- else
- this_addr = tpst->textlow;
-
- /* Check whether it is closer than our current
- BEST_ADDR. Since this symbol address is
- necessarily lower or equal to PC, the symbol closer
- to PC is the symbol which address is the highest.
- This way we return the psymtab which contains such
- best match symbol. This can help in cases where the
- symbol information/debuginfo is not complete, like
- for instance on IRIX6 with gcc, where no debug info
- is emitted for statics. (See also the nodebug.exp
- testcase.) */
- if (this_addr > best_addr)
- {
- best_addr = this_addr;
- best_pst = tpst;
- }
- }
- }
- return best_pst;
-}
-
-/* Find which partial symtab contains PC and SECTION. Return 0 if
- none. We return the psymtab that contains a symbol whose address
- exactly matches PC, or, if we cannot find an exact match, the
- psymtab that contains a symbol whose address is closest to PC. */
-struct partial_symtab *
-find_pc_sect_psymtab (CORE_ADDR pc, asection *section)
+struct symtab *
+find_pc_sect_symtab_via_partial (CORE_ADDR pc, struct obj_section *section)
{
struct objfile *objfile;
struct minimal_symbol *msymbol;
not include the data ranges. */
msymbol = lookup_minimal_symbol_by_pc_section (pc, section);
if (msymbol
- && (msymbol->type == mst_data
- || msymbol->type == mst_bss
- || msymbol->type == mst_abs
- || msymbol->type == mst_file_data
- || msymbol->type == mst_file_bss))
+ && (MSYMBOL_TYPE (msymbol) == mst_data
+ || MSYMBOL_TYPE (msymbol) == mst_bss
+ || MSYMBOL_TYPE (msymbol) == mst_abs
+ || MSYMBOL_TYPE (msymbol) == mst_file_data
+ || MSYMBOL_TYPE (msymbol) == mst_file_bss))
return NULL;
- /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity
- than the later used TEXTLOW/TEXTHIGH one. */
-
- ALL_OBJFILES (objfile)
- if (objfile->psymtabs_addrmap != NULL)
- {
- struct partial_symtab *pst;
-
- pst = addrmap_find (objfile->psymtabs_addrmap, pc);
- if (pst != NULL)
- {
- /* FIXME: addrmaps currently do not handle overlayed sections,
- so fall back to the non-addrmap case if we're debugging
- overlays and the addrmap returned the wrong section. */
- if (overlay_debugging && msymbol && section)
- {
- struct partial_symbol *p;
- /* NOTE: This assumes that every psymbol has a
- corresponding msymbol, which is not necessarily
- true; the debug info might be much richer than the
- object's symbol table. */
- p = find_pc_sect_psymbol (pst, pc, section);
- if (!p
- || SYMBOL_VALUE_ADDRESS (p)
- != SYMBOL_VALUE_ADDRESS (msymbol))
- continue;
- }
-
- /* We do not try to call FIND_PC_SECT_PSYMTAB_CLOSER as
- PSYMTABS_ADDRMAP we used has already the best 1-byte
- granularity and FIND_PC_SECT_PSYMTAB_CLOSER may mislead us into
- a worse chosen section due to the TEXTLOW/TEXTHIGH ranges
- overlap. */
-
- return pst;
- }
- }
-
- /* Existing PSYMTABS_ADDRMAP mapping is present even for PARTIAL_SYMTABs
- which still have no corresponding full SYMTABs read. But it is not
- present for non-DWARF2 debug infos not supporting PSYMTABS_ADDRMAP in GDB
- so far. */
-
ALL_OBJFILES (objfile)
- {
- struct partial_symtab *pst;
-
- /* Check even OBJFILE with non-zero PSYMTABS_ADDRMAP as only several of
- its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying
- debug info type in single OBJFILE. */
-
- ALL_OBJFILE_PSYMTABS (objfile, pst)
- if (pc >= pst->textlow && pc < pst->texthigh)
- {
- struct partial_symtab *best_pst;
+ {
+ struct symtab *result = NULL;
- best_pst = find_pc_sect_psymtab_closer (pc, section, pst,
- msymbol);
- if (best_pst != NULL)
- return best_pst;
- }
- }
+ if (objfile->sf)
+ result = objfile->sf->qf->find_pc_sect_symtab (objfile, msymbol,
+ pc, section, 0);
+ if (result)
+ return result;
+ }
return NULL;
}
-
-/* Find which partial symtab contains PC. Return 0 if none.
- Backward compatibility, no section */
-
-struct partial_symtab *
-find_pc_psymtab (CORE_ADDR pc)
-{
- return find_pc_sect_psymtab (pc, find_pc_mapped_section (pc));
-}
-
-/* Find which partial symbol within a psymtab matches PC and SECTION.
- Return 0 if none. Check all psymtabs if PSYMTAB is 0. */
-
-struct partial_symbol *
-find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc,
- asection *section)
-{
- struct partial_symbol *best = NULL, *p, **pp;
- CORE_ADDR best_pc;
-
- if (!psymtab)
- psymtab = find_pc_sect_psymtab (pc, section);
- if (!psymtab)
- return 0;
-
- /* Cope with programs that start at address 0 */
- best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0;
-
- /* 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 (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset;
- (pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset)
- < psymtab->n_global_syms);
- pp++)
- {
- p = *pp;
- if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
- && SYMBOL_CLASS (p) == LOC_BLOCK
- && pc >= SYMBOL_VALUE_ADDRESS (p)
- && (SYMBOL_VALUE_ADDRESS (p) > best_pc
- || (psymtab->textlow == 0
- && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
- {
- if (section) /* match on a specific section */
- {
- fixup_psymbol_section (p, psymtab->objfile);
- if (!matching_bfd_sections (SYMBOL_BFD_SECTION (p), section))
- continue;
- }
- best_pc = SYMBOL_VALUE_ADDRESS (p);
- best = p;
- }
- }
-
- for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset;
- (pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset)
- < psymtab->n_static_syms);
- pp++)
- {
- p = *pp;
- if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
- && SYMBOL_CLASS (p) == LOC_BLOCK
- && pc >= SYMBOL_VALUE_ADDRESS (p)
- && (SYMBOL_VALUE_ADDRESS (p) > best_pc
- || (psymtab->textlow == 0
- && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0)))
- {
- if (section) /* match on a specific section */
- {
- fixup_psymbol_section (p, psymtab->objfile);
- if (!matching_bfd_sections (SYMBOL_BFD_SECTION (p), section))
- continue;
- }
- best_pc = SYMBOL_VALUE_ADDRESS (p);
- best = p;
- }
- }
-
- return best;
-}
-
-/* Find which partial symbol within a psymtab matches PC. Return 0 if none.
- Check all psymtabs if PSYMTAB is 0. Backwards compatibility, no section. */
-
-struct partial_symbol *
-find_pc_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc)
-{
- return find_pc_sect_psymbol (psymtab, pc, find_pc_mapped_section (pc));
-}
\f
/* Debug symbols usually don't have section information. We need to dig that
out of the minimal symbols and stash that in the debug symbol. */
-static void
+void
fixup_section (struct general_symbol_info *ginfo,
CORE_ADDR addr, struct objfile *objfile)
{
msym = lookup_minimal_symbol_by_pc_name (addr, ginfo->name, objfile);
if (msym)
{
- ginfo->bfd_section = SYMBOL_BFD_SECTION (msym);
+ ginfo->obj_section = SYMBOL_OBJ_SECTION (msym);
ginfo->section = SYMBOL_SECTION (msym);
}
else
point in attempting to extend the lookup-by-name mechanism to
handle this case due to the fact that there can be multiple
names.
-
+
So, instead, search the section table when lookup by name has
failed. The ``addr'' and ``endaddr'' fields may have already
been relocated. If so, the relocation offset (i.e. the
performing the comparison. We unconditionally subtract it,
because, when no relocation has been performed, the ANOFFSET
value will simply be zero.
-
+
The address of the symbol whose section we're fixing up HAS
NOT BEEN adjusted (relocated) yet. It can't have been since
the section isn't yet known and knowing the section is
(subtracting the relocation value if necessary) to find the
matching minimal symbol, but this is overkill and much less
efficient. It is not necessary to find the matching minimal
- symbol, only its section.
-
+ symbol, only its section.
+
Note that this technique (of doing a section table search)
can fail when unrelocated section addresses overlap. For
this reason, we still attempt a lookup by name prior to doing
a search of the section table. */
-
+
struct obj_section *s;
+
ALL_OBJFILE_OSECTIONS (objfile, s)
{
int idx = s->the_bfd_section->index;
CORE_ADDR offset = ANOFFSET (objfile->section_offsets, idx);
- if (s->addr - offset <= addr && addr < s->endaddr - offset)
+ if (obj_section_addr (s) - offset <= addr
+ && addr < obj_section_endaddr (s) - offset)
{
- ginfo->bfd_section = s->the_bfd_section;
+ ginfo->obj_section = s;
ginfo->section = idx;
return;
}
if (!sym)
return NULL;
- if (SYMBOL_BFD_SECTION (sym))
+ if (SYMBOL_OBJ_SECTION (sym))
return sym;
/* We either have an OBJFILE, or we can get at it from the sym's
{
case LOC_STATIC:
case LOC_LABEL:
- case LOC_INDIRECT:
addr = SYMBOL_VALUE_ADDRESS (sym);
break;
case LOC_BLOCK:
return sym;
}
-struct partial_symbol *
-fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile)
-{
- CORE_ADDR addr;
-
- if (!psym)
- return NULL;
-
- if (SYMBOL_BFD_SECTION (psym))
- return psym;
-
- gdb_assert (objfile);
-
- switch (SYMBOL_CLASS (psym))
- {
- case LOC_STATIC:
- case LOC_LABEL:
- case LOC_INDIRECT:
- case LOC_BLOCK:
- addr = SYMBOL_VALUE_ADDRESS (psym);
- break;
- default:
- /* Nothing else will be listed in the minsyms -- no use looking
- it up. */
- return psym;
- }
-
- fixup_section (&psym->ginfo, addr, objfile);
-
- return psym;
-}
-
/* Find the definition for a specified symbol name NAME
in domain DOMAIN, visible from lexical block BLOCK.
Returns the struct symbol pointer, or zero if no symbol is found.
C++: if IS_A_FIELD_OF_THIS is nonzero on entry, check to see if
NAME is a field of the current implied argument `this'. If so set
- *IS_A_FIELD_OF_THIS to 1, otherwise set it to zero.
+ *IS_A_FIELD_OF_THIS to 1, otherwise set it to zero.
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.) */
{
char *demangled_name = NULL;
const char *modified_name = NULL;
- const char *mangled_name = NULL;
- int needtofreename = 0;
struct symbol *returnval;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, 0);
modified_name = name;
- /* If we are using C++ or Java, demangle the name before doing a lookup, so
- we can always binary search. */
+ /* If we are using C++, D, or Java, demangle the name before doing a
+ lookup, so we can always binary search. */
if (lang == language_cplus)
{
demangled_name = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS);
if (demangled_name)
{
- mangled_name = name;
modified_name = demangled_name;
- needtofreename = 1;
+ make_cleanup (xfree, demangled_name);
+ }
+ else
+ {
+ /* If we were given a non-mangled name, canonicalize it
+ according to the language (so far only for C++). */
+ demangled_name = cp_canonicalize_string (name);
+ if (demangled_name)
+ {
+ modified_name = demangled_name;
+ make_cleanup (xfree, demangled_name);
+ }
}
}
else if (lang == language_java)
{
- demangled_name = cplus_demangle (name,
+ demangled_name = cplus_demangle (name,
DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);
if (demangled_name)
{
- mangled_name = name;
modified_name = demangled_name;
- needtofreename = 1;
+ make_cleanup (xfree, demangled_name);
+ }
+ }
+ else if (lang == language_d)
+ {
+ demangled_name = d_demangle (name, 0);
+ if (demangled_name)
+ {
+ modified_name = demangled_name;
+ make_cleanup (xfree, demangled_name);
}
}
modified_name = copy;
}
- returnval = lookup_symbol_aux (modified_name, mangled_name, block,
- domain, lang, is_a_field_of_this);
- if (needtofreename)
- xfree (demangled_name);
+ returnval = lookup_symbol_aux (modified_name, block, domain, lang,
+ is_a_field_of_this);
+ do_cleanups (cleanup);
- return returnval;
+ return returnval;
}
/* Behave like lookup_symbol_in_language, but performed with the
well. */
static struct symbol *
-lookup_symbol_aux (const char *name, const char *linkage_name,
- const struct block *block, const domain_enum domain,
- enum language language, int *is_a_field_of_this)
+lookup_symbol_aux (const char *name, const struct block *block,
+ const domain_enum domain, enum language language,
+ int *is_a_field_of_this)
{
struct symbol *sym;
const struct language_defn *langdef;
/* Search specified block and its superiors. Don't search
STATIC_BLOCK or GLOBAL_BLOCK. */
- sym = lookup_symbol_aux_local (name, linkage_name, block, domain);
+ sym = lookup_symbol_aux_local (name, block, domain, language);
if (sym != NULL)
return sym;
/* If requested to do so by the caller and if appropriate for LANGUAGE,
- check to see if NAME is a field of `this'. */
+ check to see if NAME is a field of `this'. */
langdef = language_def (language);
&& block != NULL)
{
struct symbol *sym = NULL;
+ const struct block *function_block = block;
+
/* 'this' is only defined in the function's block, so find the
enclosing function block. */
- for (; block && !BLOCK_FUNCTION (block);
- block = BLOCK_SUPERBLOCK (block));
+ for (; function_block && !BLOCK_FUNCTION (function_block);
+ function_block = BLOCK_SUPERBLOCK (function_block));
- if (block && !dict_empty (BLOCK_DICT (block)))
- sym = lookup_block_symbol (block, langdef->la_name_of_this,
- NULL, VAR_DOMAIN);
+ if (function_block && !dict_empty (BLOCK_DICT (function_block)))
+ sym = lookup_block_symbol (function_block, langdef->la_name_of_this,
+ VAR_DOMAIN);
if (sym)
{
struct type *t = sym->type;
-
+
/* I'm not really sure that type of this can ever
be typedefed; just be safe. */
CHECK_TYPEDEF (t);
if (TYPE_CODE (t) == TYPE_CODE_PTR
|| TYPE_CODE (t) == TYPE_CODE_REF)
t = TYPE_TARGET_TYPE (t);
-
+
if (TYPE_CODE (t) != TYPE_CODE_STRUCT
&& TYPE_CODE (t) != TYPE_CODE_UNION)
- error (_("Internal error: `%s' is not an aggregate"),
+ error (_("Internal error: `%s' is not an aggregate"),
langdef->la_name_of_this);
-
+
if (check_field (t, name))
{
*is_a_field_of_this = 1;
/* Now do whatever is appropriate for LANGUAGE to look
up static and global variables. */
- sym = langdef->la_lookup_symbol_nonlocal (name, linkage_name, block, domain);
+ sym = langdef->la_lookup_symbol_nonlocal (name, block, domain);
if (sym != NULL)
return sym;
/* Now search all static file-level symbols. Not strictly correct,
- but more useful than an error. Do the symtabs first, then check
- the psymtabs. If a psymtab indicates the existence of the
- desired name as a file-level static, then do psymtab-to-symtab
- conversion on the fly and return the found symbol. */
+ but more useful than an error. */
- sym = lookup_symbol_aux_symtabs (STATIC_BLOCK, name, linkage_name, domain);
- if (sym != NULL)
- return sym;
-
- sym = lookup_symbol_aux_psymtabs (STATIC_BLOCK, name, linkage_name, domain);
+ return lookup_static_symbol_aux (name, domain);
+}
+
+/* Search all static file-level symbols for NAME from DOMAIN. Do the symtabs
+ first, then check the psymtabs. If a psymtab indicates the existence of the
+ desired name as a file-level static, then do psymtab-to-symtab conversion on
+ the fly and return the found symbol. */
+
+struct symbol *
+lookup_static_symbol_aux (const char *name, const domain_enum domain)
+{
+ struct objfile *objfile;
+ struct symbol *sym;
+
+ sym = lookup_symbol_aux_symtabs (STATIC_BLOCK, name, domain);
if (sym != NULL)
return sym;
+ ALL_OBJFILES (objfile)
+ {
+ sym = lookup_symbol_aux_quick (objfile, STATIC_BLOCK, name, domain);
+ if (sym != NULL)
+ return sym;
+ }
+
return NULL;
}
Don't search STATIC_BLOCK or GLOBAL_BLOCK. */
static struct symbol *
-lookup_symbol_aux_local (const char *name, const char *linkage_name,
- const struct block *block,
- const domain_enum domain)
+lookup_symbol_aux_local (const char *name, const struct block *block,
+ const domain_enum domain,
+ enum language language)
{
struct symbol *sym;
const struct block *static_block = block_static_block (block);
-
+ const char *scope = block_scope (block);
+
/* Check if either no block is specified or it's a global block. */
if (static_block == NULL)
while (block != static_block)
{
- sym = lookup_symbol_aux_block (name, linkage_name, block, domain);
+ sym = lookup_symbol_aux_block (name, block, domain);
if (sym != NULL)
return sym;
+
+ if (language == language_cplus || language == language_fortran)
+ {
+ sym = cp_lookup_symbol_imports_or_template (scope, name, block,
+ domain);
+ if (sym != NULL)
+ return sym;
+ }
+
+ if (BLOCK_FUNCTION (block) != NULL && block_inlined_p (block))
+ break;
block = BLOCK_SUPERBLOCK (block);
}
- /* We've reached the static block without finding a result. */
+ /* We've reached the edge of the function without finding a result. */
return NULL;
}
/* Look up OBJFILE to BLOCK. */
-static struct objfile *
+struct objfile *
lookup_objfile_from_block (const struct block *block)
{
struct objfile *obj;
/* Go through SYMTABS. */
ALL_SYMTABS (obj, s)
if (block == BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK))
- return obj;
+ {
+ if (obj->separate_debug_objfile_backlink)
+ obj = obj->separate_debug_objfile_backlink;
+
+ return obj;
+ }
return NULL;
}
block_found appropriately. */
struct symbol *
-lookup_symbol_aux_block (const char *name, const char *linkage_name,
- const struct block *block,
+lookup_symbol_aux_block (const char *name, const struct block *block,
const domain_enum domain)
{
struct symbol *sym;
- sym = lookup_block_symbol (block, name, linkage_name, domain);
+ sym = lookup_block_symbol (block, name, domain);
if (sym)
{
block_found = block;
psymtabs. */
struct symbol *
-lookup_global_symbol_from_objfile (const struct objfile *objfile,
+lookup_global_symbol_from_objfile (const struct objfile *main_objfile,
const char *name,
- const char *linkage_name,
const domain_enum domain)
{
+ const struct objfile *objfile;
struct symbol *sym;
- struct blockvector *bv;
- const struct block *block;
- struct symtab *s;
- struct partial_symtab *ps;
-
- /* Go through symtabs. */
- ALL_OBJFILE_SYMTABS (objfile, s)
- {
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, linkage_name, domain);
- if (sym)
- {
- block_found = block;
- return fixup_symbol_section (sym, (struct objfile *)objfile);
- }
- }
-
- /* Now go through psymtabs. */
- ALL_OBJFILE_PSYMTABS (objfile, ps)
- {
- if (!ps->readin
- && lookup_partial_symbol (ps, name, linkage_name,
- 1, domain))
- {
- s = PSYMTAB_TO_SYMTAB (ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, linkage_name, domain);
- return fixup_symbol_section (sym, (struct objfile *)objfile);
- }
- }
+ struct blockvector *bv;
+ const struct block *block;
+ struct symtab *s;
- if (objfile->separate_debug_objfile)
- return lookup_global_symbol_from_objfile (objfile->separate_debug_objfile,
- name, linkage_name, domain);
+ for (objfile = main_objfile;
+ objfile;
+ objfile = objfile_separate_debug_iterate (main_objfile, objfile))
+ {
+ /* Go through symtabs. */
+ ALL_OBJFILE_SYMTABS (objfile, s)
+ {
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+ sym = lookup_block_symbol (block, name, domain);
+ if (sym)
+ {
+ block_found = block;
+ return fixup_symbol_section (sym, (struct objfile *)objfile);
+ }
+ }
+
+ sym = lookup_symbol_aux_quick ((struct objfile *) objfile, GLOBAL_BLOCK,
+ name, domain);
+ if (sym)
+ return sym;
+ }
return NULL;
}
static symbols. */
static struct symbol *
-lookup_symbol_aux_symtabs (int block_index,
- const char *name, const char *linkage_name,
+lookup_symbol_aux_symtabs (int block_index, const char *name,
const domain_enum domain)
{
struct symbol *sym;
const struct block *block;
struct symtab *s;
- ALL_PRIMARY_SYMTABS (objfile, s)
+ ALL_OBJFILES (objfile)
{
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, block_index);
- sym = lookup_block_symbol (block, name, linkage_name, domain);
- if (sym)
- {
- block_found = block;
- return fixup_symbol_section (sym, objfile);
- }
+ if (objfile->sf)
+ objfile->sf->qf->pre_expand_symtabs_matching (objfile,
+ block_index,
+ name, domain);
+
+ ALL_OBJFILE_SYMTABS (objfile, s)
+ if (s->primary)
+ {
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, block_index);
+ sym = lookup_block_symbol (block, name, domain);
+ if (sym)
+ {
+ block_found = block;
+ return fixup_symbol_section (sym, objfile);
+ }
+ }
}
return NULL;
}
-/* Check to see if the symbol is defined in one of the partial
- symtabs. BLOCK_INDEX should be either GLOBAL_BLOCK or
- STATIC_BLOCK, depending on whether or not we want to search global
- symbols or static symbols. */
+/* A helper function for lookup_symbol_aux that interfaces with the
+ "quick" symbol table functions. */
static struct symbol *
-lookup_symbol_aux_psymtabs (int block_index, const char *name,
- const char *linkage_name,
- const domain_enum domain)
+lookup_symbol_aux_quick (struct objfile *objfile, int kind,
+ const char *name, const domain_enum domain)
{
- struct symbol *sym;
- struct objfile *objfile;
+ struct symtab *symtab;
struct blockvector *bv;
const struct block *block;
- struct partial_symtab *ps;
- struct symtab *s;
- const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0);
+ struct symbol *sym;
- ALL_PSYMTABS (objfile, ps)
- {
- if (!ps->readin
- && lookup_partial_symbol (ps, name, linkage_name,
- psymtab_index, domain))
- {
- s = PSYMTAB_TO_SYMTAB (ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, block_index);
- sym = lookup_block_symbol (block, name, linkage_name, domain);
- if (!sym)
- {
- /* This shouldn't be necessary, but as a last resort try
- looking in the statics even though the psymtab claimed
- the symbol was global, or vice-versa. It's possible
- that the psymtab gets it wrong in some cases. */
-
- /* FIXME: carlton/2002-09-30: Should we really do that?
- If that happens, isn't it likely to be a GDB error, in
- which case we should fix the GDB error rather than
- silently dealing with it here? So I'd vote for
- removing the check for the symbol in the other
- block. */
- block = BLOCKVECTOR_BLOCK (bv,
- block_index == GLOBAL_BLOCK ?
- STATIC_BLOCK : GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, linkage_name, domain);
- if (!sym)
- error (_("Internal: %s symbol `%s' found in %s psymtab but not in symtab.\n%s may be an inlined function, or may be a template function\n(if a template, try specifying an instantiation: %s<type>)."),
- block_index == GLOBAL_BLOCK ? "global" : "static",
- name, ps->filename, name, name);
- }
- return fixup_symbol_section (sym, objfile);
- }
- }
+ if (!objfile->sf)
+ return NULL;
+ symtab = objfile->sf->qf->lookup_symbol (objfile, kind, name, domain);
+ if (!symtab)
+ return NULL;
- return NULL;
+ bv = BLOCKVECTOR (symtab);
+ block = BLOCKVECTOR_BLOCK (bv, kind);
+ sym = lookup_block_symbol (block, name, domain);
+ if (!sym)
+ {
+ /* This shouldn't be necessary, but as a last resort try
+ looking in the statics even though the psymtab claimed
+ the symbol was global, or vice-versa. It's possible
+ that the psymtab gets it wrong in some cases. */
+
+ /* FIXME: carlton/2002-09-30: Should we really do that?
+ If that happens, isn't it likely to be a GDB error, in
+ which case we should fix the GDB error rather than
+ silently dealing with it here? So I'd vote for
+ removing the check for the symbol in the other
+ block. */
+ block = BLOCKVECTOR_BLOCK (bv,
+ kind == GLOBAL_BLOCK ?
+ STATIC_BLOCK : GLOBAL_BLOCK);
+ sym = lookup_block_symbol (block, name, domain);
+ if (!sym)
+ error (_("\
+Internal: %s symbol `%s' found in %s psymtab but not in symtab.\n\
+%s may be an inlined function, or may be a template function\n\
+(if a template, try specifying an instantiation: %s<type>)."),
+ kind == GLOBAL_BLOCK ? "global" : "static",
+ name, symtab->filename, name, name);
+ }
+ return fixup_symbol_section (sym, objfile);
}
/* A default version of lookup_symbol_nonlocal for use by languages
struct symbol *
basic_lookup_symbol_nonlocal (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain)
{
than that one, so I don't think we should worry about that for
now. */
- sym = lookup_symbol_static (name, linkage_name, block, domain);
+ sym = lookup_symbol_static (name, block, domain);
if (sym != NULL)
return sym;
- return lookup_symbol_global (name, linkage_name, block, domain);
+ return lookup_symbol_global (name, block, domain);
}
/* Lookup a symbol in the static block associated to BLOCK, if there
struct symbol *
lookup_symbol_static (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain)
{
const struct block *static_block = block_static_block (block);
if (static_block != NULL)
- return lookup_symbol_aux_block (name, linkage_name, static_block, domain);
+ return lookup_symbol_aux_block (name, static_block, domain);
else
return NULL;
}
struct symbol *
lookup_symbol_global (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain)
{
/* Call library-specific lookup procedure. */
objfile = lookup_objfile_from_block (block);
if (objfile != NULL)
- sym = solib_global_lookup (objfile, name, linkage_name, domain);
+ sym = solib_global_lookup (objfile, name, domain);
if (sym != NULL)
return sym;
- sym = lookup_symbol_aux_symtabs (GLOBAL_BLOCK, name, linkage_name, domain);
+ sym = lookup_symbol_aux_symtabs (GLOBAL_BLOCK, name, domain);
if (sym != NULL)
return sym;
- return lookup_symbol_aux_psymtabs (GLOBAL_BLOCK, name, linkage_name, domain);
+ ALL_OBJFILES (objfile)
+ {
+ sym = lookup_symbol_aux_quick (objfile, GLOBAL_BLOCK, name, domain);
+ if (sym)
+ return sym;
+ }
+
+ return NULL;
}
int
-symbol_matches_domain (enum language symbol_language,
+symbol_matches_domain (enum language symbol_language,
domain_enum symbol_domain,
domain_enum domain)
{
- /* For C++ "struct foo { ... }" also defines a typedef for "foo".
+ /* For C++ "struct foo { ... }" also defines a typedef for "foo".
A Java class declaration also defines a typedef for the class.
Similarly, any Ada type declaration implicitly defines a typedef. */
if (symbol_language == language_cplus
+ || symbol_language == language_d
|| symbol_language == language_java
|| symbol_language == language_ada)
{
return (symbol_domain == domain);
}
-/* Look, in partial_symtab PST, for symbol whose natural name is NAME.
- If LINKAGE_NAME is non-NULL, check in addition that the symbol's
- linkage name matches it. Check the global symbols if GLOBAL, the
- static symbols if not */
-
-struct partial_symbol *
-lookup_partial_symbol (struct partial_symtab *pst, const char *name,
- const char *linkage_name, int global,
- domain_enum domain)
-{
- struct partial_symbol *temp;
- struct partial_symbol **start, **psym;
- struct partial_symbol **top, **real_top, **bottom, **center;
- int length = (global ? pst->n_global_syms : pst->n_static_syms);
- int do_linear_search = 1;
-
- if (length == 0)
- {
- return (NULL);
- }
- start = (global ?
- pst->objfile->global_psymbols.list + pst->globals_offset :
- pst->objfile->static_psymbols.list + pst->statics_offset);
-
- if (global) /* This means we can use a binary search. */
- {
- do_linear_search = 0;
-
- /* Binary search. This search is guaranteed to end with center
- pointing at the earliest partial symbol whose name might be
- correct. At that point *all* partial symbols with an
- appropriate name will be checked against the correct
- domain. */
-
- bottom = start;
- top = start + length - 1;
- real_top = top;
- while (top > bottom)
- {
- center = bottom + (top - bottom) / 2;
- if (!(center < top))
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
- if (!do_linear_search
- && (SYMBOL_LANGUAGE (*center) == language_java))
- {
- do_linear_search = 1;
- }
- if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center), name) >= 0)
- {
- top = center;
- }
- else
- {
- bottom = center + 1;
- }
- }
- if (!(top == bottom))
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
-
- while (top <= real_top
- && (linkage_name != NULL
- ? strcmp (SYMBOL_LINKAGE_NAME (*top), linkage_name) == 0
- : SYMBOL_MATCHES_SEARCH_NAME (*top,name)))
- {
- if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
- SYMBOL_DOMAIN (*top), domain))
- return (*top);
- top++;
- }
- }
-
- /* Can't use a binary search or else we found during the binary search that
- we should also do a linear search. */
-
- if (do_linear_search)
- {
- for (psym = start; psym < start + length; psym++)
- {
- if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
- SYMBOL_DOMAIN (*psym), domain))
- {
- if (linkage_name != NULL
- ? strcmp (SYMBOL_LINKAGE_NAME (*psym), linkage_name) == 0
- : SYMBOL_MATCHES_SEARCH_NAME (*psym, name))
- {
- return (*psym);
- }
- }
- }
- }
-
- return (NULL);
-}
-
/* Look up a type named NAME in the struct_domain. The type returned
must not be opaque -- i.e., must have at least one field
defined. */
return current_language->la_lookup_transparent_type (name);
}
+/* A helper for basic_lookup_transparent_type that interfaces with the
+ "quick" symbol table functions. */
+
+static struct type *
+basic_lookup_transparent_type_quick (struct objfile *objfile, int kind,
+ const char *name)
+{
+ struct symtab *symtab;
+ struct blockvector *bv;
+ struct block *block;
+ struct symbol *sym;
+
+ if (!objfile->sf)
+ return NULL;
+ symtab = objfile->sf->qf->lookup_symbol (objfile, kind, name, STRUCT_DOMAIN);
+ if (!symtab)
+ return NULL;
+
+ bv = BLOCKVECTOR (symtab);
+ block = BLOCKVECTOR_BLOCK (bv, kind);
+ sym = lookup_block_symbol (block, name, STRUCT_DOMAIN);
+ if (!sym)
+ {
+ int other_kind = kind == GLOBAL_BLOCK ? STATIC_BLOCK : GLOBAL_BLOCK;
+
+ /* This shouldn't be necessary, but as a last resort
+ * try looking in the 'other kind' even though the psymtab
+ * claimed the symbol was one thing. It's possible that
+ * the psymtab gets it wrong in some cases.
+ */
+ block = BLOCKVECTOR_BLOCK (bv, other_kind);
+ sym = lookup_block_symbol (block, name, STRUCT_DOMAIN);
+ if (!sym)
+ /* FIXME; error is wrong in one case */
+ error (_("\
+Internal: global symbol `%s' found in %s psymtab but not in symtab.\n\
+%s may be an inlined function, or may be a template function\n\
+(if a template, try specifying an instantiation: %s<type>)."),
+ name, symtab->filename, name, name);
+ }
+ if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
+ return SYMBOL_TYPE (sym);
+
+ return NULL;
+}
+
/* The standard implementation of lookup_transparent_type. This code
was modeled on lookup_symbol -- the parts not relevant to looking
up types were just left out. In particular it's assumed here that
{
struct symbol *sym;
struct symtab *s = NULL;
- struct partial_symtab *ps;
struct blockvector *bv;
struct objfile *objfile;
struct block *block;
+ struct type *t;
/* Now search all the global symbols. Do the symtab's first, then
check the psymtab's. If a psymtab indicates the existence
of the desired name as a global, then do psymtab-to-symtab
conversion on the fly and return the found symbol. */
- ALL_PRIMARY_SYMTABS (objfile, s)
+ ALL_OBJFILES (objfile)
{
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
- {
- return SYMBOL_TYPE (sym);
- }
+ if (objfile->sf)
+ objfile->sf->qf->pre_expand_symtabs_matching (objfile,
+ GLOBAL_BLOCK,
+ name, STRUCT_DOMAIN);
+
+ ALL_OBJFILE_SYMTABS (objfile, s)
+ if (s->primary)
+ {
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+ sym = lookup_block_symbol (block, name, STRUCT_DOMAIN);
+ if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
+ {
+ return SYMBOL_TYPE (sym);
+ }
+ }
}
- ALL_PSYMTABS (objfile, ps)
+ ALL_OBJFILES (objfile)
{
- if (!ps->readin && lookup_partial_symbol (ps, name, NULL,
- 1, STRUCT_DOMAIN))
- {
- s = PSYMTAB_TO_SYMTAB (ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (!sym)
- {
- /* This shouldn't be necessary, but as a last resort
- * try looking in the statics even though the psymtab
- * claimed the symbol was global. It's possible that
- * the psymtab gets it wrong in some cases.
- */
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (!sym)
- error (_("Internal: global symbol `%s' found in %s psymtab but not in symtab.\n\
-%s may be an inlined function, or may be a template function\n\
-(if a template, try specifying an instantiation: %s<type>)."),
- name, ps->filename, name, name);
- }
- if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
- return SYMBOL_TYPE (sym);
- }
+ t = basic_lookup_transparent_type_quick (objfile, GLOBAL_BLOCK, name);
+ if (t)
+ return t;
}
/* Now search the static file-level symbols.
conversion on the fly and return the found symbol.
*/
- ALL_PRIMARY_SYMTABS (objfile, s)
+ ALL_OBJFILES (objfile)
{
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
- {
- return SYMBOL_TYPE (sym);
- }
- }
+ if (objfile->sf)
+ objfile->sf->qf->pre_expand_symtabs_matching (objfile, STATIC_BLOCK,
+ name, STRUCT_DOMAIN);
- ALL_PSYMTABS (objfile, ps)
- {
- if (!ps->readin && lookup_partial_symbol (ps, name, NULL, 0, STRUCT_DOMAIN))
+ ALL_OBJFILE_SYMTABS (objfile, s)
{
- s = PSYMTAB_TO_SYMTAB (ps);
bv = BLOCKVECTOR (s);
block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (!sym)
+ sym = lookup_block_symbol (block, name, STRUCT_DOMAIN);
+ if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
{
- /* This shouldn't be necessary, but as a last resort
- * try looking in the globals even though the psymtab
- * claimed the symbol was static. It's possible that
- * the psymtab gets it wrong in some cases.
- */
- block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN);
- if (!sym)
- error (_("Internal: static symbol `%s' found in %s psymtab but not in symtab.\n\
-%s may be an inlined function, or may be a template function\n\
-(if a template, try specifying an instantiation: %s<type>)."),
- name, ps->filename, name, name);
+ return SYMBOL_TYPE (sym);
}
- if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym)))
- return SYMBOL_TYPE (sym);
}
}
+
+ ALL_OBJFILES (objfile)
+ {
+ t = basic_lookup_transparent_type_quick (objfile, STATIC_BLOCK, name);
+ if (t)
+ return t;
+ }
+
return (struct type *) 0;
}
-/* Find the psymtab containing main(). */
+/* Find the name of the file containing main(). */
/* FIXME: What about languages without main() or specially linked
executables that have no main() ? */
-struct partial_symtab *
-find_main_psymtab (void)
+const char *
+find_main_filename (void)
{
- struct partial_symtab *pst;
struct objfile *objfile;
+ char *name = main_name ();
- ALL_PSYMTABS (objfile, pst)
+ ALL_OBJFILES (objfile)
{
- if (lookup_partial_symbol (pst, main_name (), NULL, 1, VAR_DOMAIN))
- {
- return (pst);
- }
+ const char *result;
+
+ if (!objfile->sf)
+ continue;
+ result = objfile->sf->qf->find_symbol_file (objfile, name);
+ if (result)
+ return result;
}
return (NULL);
}
a match we'll never find, since it will go pretty quick. Once the
binary search terminates, we drop through and do a straight linear
search on the symbols. Each symbol which is marked as being a ObjC/C++
- symbol (language_cplus or language_objc set) has both the encoded and
+ symbol (language_cplus or language_objc set) has both the encoded and
non-encoded names tested for a match.
-
- If LINKAGE_NAME is non-NULL, verify that any symbol we find has this
- particular mangled name.
*/
struct symbol *
lookup_block_symbol (const struct block *block, const char *name,
- const char *linkage_name,
const domain_enum domain)
{
struct dict_iterator iter;
sym = dict_iter_name_next (name, &iter))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
- SYMBOL_DOMAIN (sym), domain)
- && (linkage_name != NULL
- ? strcmp (SYMBOL_LINKAGE_NAME (sym), linkage_name) == 0 : 1))
+ SYMBOL_DOMAIN (sym), domain))
return sym;
}
return NULL;
sym = dict_iter_name_next (name, &iter))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (sym),
- SYMBOL_DOMAIN (sym), domain)
- && (linkage_name != NULL
- ? strcmp (SYMBOL_LINKAGE_NAME (sym), linkage_name) == 0 : 1))
+ SYMBOL_DOMAIN (sym), domain))
{
sym_found = sym;
- if (SYMBOL_CLASS (sym) != LOC_ARG &&
- SYMBOL_CLASS (sym) != LOC_LOCAL_ARG &&
- SYMBOL_CLASS (sym) != LOC_REF_ARG &&
- SYMBOL_CLASS (sym) != LOC_REGPARM &&
- SYMBOL_CLASS (sym) != LOC_REGPARM_ADDR &&
- SYMBOL_CLASS (sym) != LOC_BASEREG_ARG &&
- SYMBOL_CLASS (sym) != LOC_COMPUTED_ARG)
+ if (!SYMBOL_IS_ARGUMENT (sym))
{
break;
}
psymtabs and read in another symtab if necessary. */
struct symtab *
-find_pc_sect_symtab (CORE_ADDR pc, asection *section)
+find_pc_sect_symtab (CORE_ADDR pc, struct obj_section *section)
{
struct block *b;
struct blockvector *bv;
struct symtab *s = NULL;
struct symtab *best_s = NULL;
- struct partial_symtab *ps;
struct objfile *objfile;
+ struct program_space *pspace;
CORE_ADDR distance = 0;
struct minimal_symbol *msymbol;
+ pspace = current_program_space;
+
/* If we know that this is not a text address, return failure. This is
necessary because we loop based on the block's high and low code
addresses, which do not include the data ranges, and because
on the partial_symtab's texthigh and textlow. */
msymbol = lookup_minimal_symbol_by_pc_section (pc, section);
if (msymbol
- && (msymbol->type == mst_data
- || msymbol->type == mst_bss
- || msymbol->type == mst_abs
- || msymbol->type == mst_file_data
- || msymbol->type == mst_file_bss))
+ && (MSYMBOL_TYPE (msymbol) == mst_data
+ || MSYMBOL_TYPE (msymbol) == mst_bss
+ || MSYMBOL_TYPE (msymbol) == mst_abs
+ || MSYMBOL_TYPE (msymbol) == mst_file_data
+ || MSYMBOL_TYPE (msymbol) == mst_file_bss))
return NULL;
/* Search all symtabs for the one whose file contains our address, and which
/* In order to better support objfiles that contain both
stabs and coff debugging info, we continue on if a psymtab
can't be found. */
- if ((objfile->flags & OBJF_REORDERED) && objfile->psymtabs)
+ if ((objfile->flags & OBJF_REORDERED) && objfile->sf)
{
- ps = find_pc_sect_psymtab (pc, section);
- if (ps)
- return PSYMTAB_TO_SYMTAB (ps);
+ struct symtab *result;
+
+ result
+ = objfile->sf->qf->find_pc_sect_symtab (objfile,
+ msymbol,
+ pc, section,
+ 0);
+ if (result)
+ return result;
}
if (section != 0)
{
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
fixup_symbol_section (sym, objfile);
- if (matching_bfd_sections (SYMBOL_BFD_SECTION (sym), section))
+ if (matching_obj_sections (SYMBOL_OBJ_SECTION (sym), section))
break;
}
if (sym == NULL)
if (best_s != NULL)
return (best_s);
- s = NULL;
- ps = find_pc_sect_psymtab (pc, section);
- if (ps)
- {
- if (ps->readin)
- /* 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. */
- warning (_("\
-(Internal error: pc 0x%s in read in psymtab, but not in symtab.)\n"),
- paddr_nz (pc));
- s = PSYMTAB_TO_SYMTAB (ps);
- }
- return (s);
+ ALL_OBJFILES (objfile)
+ {
+ struct symtab *result;
+
+ if (!objfile->sf)
+ continue;
+ result = objfile->sf->qf->find_pc_sect_symtab (objfile,
+ msymbol,
+ pc, section,
+ 1);
+ if (result)
+ return result;
+ }
+
+ return NULL;
}
/* Find the symtab associated with PC. Look through the psymtabs and
/* If it's worth the effort, we could be using a binary search. */
struct symtab_and_line
-find_pc_sect_line (CORE_ADDR pc, struct bfd_section *section, int notcurrent)
+find_pc_sect_line (CORE_ADDR pc, struct obj_section *section, int notcurrent)
{
struct symtab *s;
struct linetable *l;
init_sal (&val); /* initialize to zeroes */
+ val.pspace = current_program_space;
+
/* It's tempting to assume that, if we can't find debugging info for
any function enclosing PC, that we shouldn't search for line
number info, either. However, GAS can emit line number info for
/* elz: added this because this function returned the wrong
information if the pc belongs to a stub (import/export)
to call a shlib function. This stub would be anywhere between
- two functions in the target, and the line info was erroneously
- taken to be the one of the line before the pc.
+ two functions in the target, and the line info was erroneously
+ taken to be the one of the line before the pc.
*/
/* RT: Further explanation:
* sorted by start address. The stubs are marked as "trampoline",
* the others appear as text. E.g.:
*
- * Minimal symbol table for main image
+ * Minimal symbol table for main image
* main: code for main (text symbol)
* shr1: stub (trampoline symbol)
* foo: code for foo (text symbol)
* Assumptions being made about the minimal symbol table:
* 1. lookup_minimal_symbol_by_pc() will return a trampoline only
* if we're really in the trampoline. If we're beyond it (say
- * we're in "foo" in the above example), it'll have a closer
+ * we're in "foo" in the above example), it'll have a closer
* symbol (the "foo" text symbol for example) and will not
* return the trampoline.
* 2. lookup_minimal_symbol_text() will find a real text symbol
* gdb shmain // test program with shared libraries
* (gdb) break shr1 // function in shared lib
* Warning: In stub for ...
- * In the above situation, the shared lib is not loaded yet,
+ * In the above situation, the shared lib is not loaded yet,
* so of course we can't find the real func/line info,
* but the "break" still works, and the warning is annoying.
* So I commented out the warning. RT */
- /* warning ("In stub for %s; unable to find real function/line info", SYMBOL_LINKAGE_NAME (msymbol)) */ ;
+ /* warning ("In stub for %s; unable to find real function/line info",
+ SYMBOL_LINKAGE_NAME (msymbol)) */ ;
/* fall through */
- else if (SYMBOL_VALUE_ADDRESS (mfunsym) == SYMBOL_VALUE_ADDRESS (msymbol))
+ else if (SYMBOL_VALUE_ADDRESS (mfunsym)
+ == SYMBOL_VALUE_ADDRESS (msymbol))
/* Avoid infinite recursion */
/* See above comment about why warning is commented out */
- /* warning ("In stub for %s; unable to find real function/line info", SYMBOL_LINKAGE_NAME (msymbol)) */ ;
+ /* warning ("In stub for %s; unable to find real function/line info",
+ SYMBOL_LINKAGE_NAME (msymbol)) */ ;
/* fall through */
else
return find_pc_line (SYMBOL_VALUE_ADDRESS (mfunsym), 0);
struct symtab_and_line
find_pc_line (CORE_ADDR pc, int notcurrent)
{
- asection *section;
+ struct obj_section *section;
section = find_pc_overlay (pc);
if (pc_in_unmapped_range (pc, section))
If not found, return NULL. */
struct symtab *
-find_line_symtab (struct symtab *symtab, int line, int *index, int *exact_match)
+find_line_symtab (struct symtab *symtab, int line,
+ int *index, int *exact_match)
{
- int exact;
+ int exact = 0; /* Initialized here to avoid a compiler warning. */
/* BEST_INDEX and BEST_LINETABLE identify the smallest linenumber > LINE
so far seen. */
struct objfile *objfile;
struct symtab *s;
- struct partial_symtab *p;
if (best_index >= 0)
best = best_linetable->item[best_index].line;
else
best = 0;
- ALL_PSYMTABS (objfile, p)
+ ALL_OBJFILES (objfile)
{
- if (strcmp (symtab->filename, p->filename) != 0)
- continue;
- PSYMTAB_TO_SYMTAB (p);
+ if (objfile->sf)
+ objfile->sf->qf->expand_symtabs_with_filename (objfile,
+ symtab->filename);
}
+ /* Get symbol full file name if possible. */
+ symtab_to_fullname (symtab);
+
ALL_SYMTABS (objfile, s)
{
struct linetable *l;
int ind;
- if (strcmp (symtab->filename, s->filename) != 0)
+ if (FILENAME_CMP (symtab->filename, s->filename) != 0)
continue;
+ if (symtab->fullname != NULL
+ && symtab_to_fullname (s) != NULL
+ && FILENAME_CMP (symtab->fullname, s->fullname) != 0)
+ continue;
l = LINETABLE (s);
ind = find_line_common (l, line, &exact);
if (ind >= 0)
find_pc_line_pc_range (CORE_ADDR pc, CORE_ADDR *startptr, CORE_ADDR *endptr)
{
struct symtab_and_line sal;
+
sal = find_pc_line (pc, 0);
*startptr = sal.pc;
*endptr = sal.end;
return sal.symtab != 0;
}
-/* Given a function start address PC and SECTION, find the first
- address after the function prologue. */
+/* Given a function start address FUNC_ADDR and SYMTAB, find the first
+ address for that function that has an entry in SYMTAB's line info
+ table. If such an entry cannot be found, return FUNC_ADDR
+ unaltered. */
CORE_ADDR
-find_function_start_pc (struct gdbarch *gdbarch,
- CORE_ADDR pc, asection *section)
+skip_prologue_using_lineinfo (CORE_ADDR func_addr, struct symtab *symtab)
{
- /* If the function is in an unmapped overlay, use its unmapped LMA address,
- so that gdbarch_skip_prologue has something unique to work on. */
- if (section_is_overlay (section) && !section_is_mapped (section))
- pc = overlay_unmapped_address (pc, section);
+ CORE_ADDR func_start, func_end;
+ struct linetable *l;
+ int i;
- pc += gdbarch_deprecated_function_start_offset (gdbarch);
- pc = gdbarch_skip_prologue (gdbarch, pc);
+ /* Give up if this symbol has no lineinfo table. */
+ l = LINETABLE (symtab);
+ if (l == NULL)
+ return func_addr;
+
+ /* Get the range for the function's PC values, or give up if we
+ cannot, for some reason. */
+ if (!find_pc_partial_function (func_addr, NULL, &func_start, &func_end))
+ return func_addr;
+
+ /* Linetable entries are ordered by PC values, see the commentary in
+ symtab.h where `struct linetable' is defined. Thus, the first
+ entry whose PC is in the range [FUNC_START..FUNC_END[ is the
+ address we are looking for. */
+ for (i = 0; i < l->nitems; i++)
+ {
+ struct linetable_entry *item = &(l->item[i]);
- /* For overlays, map pc back into its mapped VMA range. */
- pc = overlay_mapped_address (pc, section);
+ /* Don't use line numbers of zero, they mark special entries in
+ the table. See the commentary on symtab.h before the
+ definition of struct linetable. */
+ if (item->line > 0 && func_start <= item->pc && item->pc < func_end)
+ return item->pc;
+ }
- return pc;
+ return func_addr;
}
/* Given a function symbol SYM, find the symtab and line for the start
struct symtab_and_line
find_function_start_sal (struct symbol *sym, int funfirstline)
{
- struct block *block = SYMBOL_BLOCK_VALUE (sym);
- struct objfile *objfile = lookup_objfile_from_block (block);
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
-
- CORE_ADDR pc;
struct symtab_and_line sal;
- pc = BLOCK_START (block);
- fixup_symbol_section (sym, objfile);
+ fixup_symbol_section (sym, NULL);
+ sal = find_pc_sect_line (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)),
+ SYMBOL_OBJ_SECTION (sym), 0);
+
+ /* We always should have a line for the function start address.
+ If we don't, something is odd. Create a plain SAL refering
+ just the PC and hope that skip_prologue_sal (if requested)
+ can find a line number for after the prologue. */
+ if (sal.pc < BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))
+ {
+ init_sal (&sal);
+ sal.pspace = current_program_space;
+ sal.pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
+ sal.section = SYMBOL_OBJ_SECTION (sym);
+ }
+
if (funfirstline)
+ skip_prologue_sal (&sal);
+
+ return sal;
+}
+
+/* Adjust SAL to the first instruction past the function prologue.
+ If the PC was explicitly specified, the SAL is not changed.
+ If the line number was explicitly specified, at most the SAL's PC
+ is updated. If SAL is already past the prologue, then do nothing. */
+void
+skip_prologue_sal (struct symtab_and_line *sal)
+{
+ struct symbol *sym;
+ struct symtab_and_line start_sal;
+ struct cleanup *old_chain;
+ CORE_ADDR pc;
+ struct obj_section *section;
+ const char *name;
+ struct objfile *objfile;
+ struct gdbarch *gdbarch;
+ struct block *b, *function_block;
+
+ /* Do not change the SAL is PC was specified explicitly. */
+ if (sal->explicit_pc)
+ return;
+
+ old_chain = save_current_space_and_thread ();
+ switch_to_program_space_and_thread (sal->pspace);
+
+ sym = find_pc_sect_function (sal->pc, sal->section);
+ if (sym != NULL)
{
- /* Skip "first line" of function (which is actually its prologue). */
- pc = find_function_start_pc (gdbarch, pc, SYMBOL_BFD_SECTION (sym));
+ fixup_symbol_section (sym, NULL);
+
+ pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
+ section = SYMBOL_OBJ_SECTION (sym);
+ name = SYMBOL_LINKAGE_NAME (sym);
+ objfile = SYMBOL_SYMTAB (sym)->objfile;
+ }
+ else
+ {
+ struct minimal_symbol *msymbol
+ = lookup_minimal_symbol_by_pc_section (sal->pc, sal->section);
+
+ if (msymbol == NULL)
+ {
+ do_cleanups (old_chain);
+ return;
+ }
+
+ pc = SYMBOL_VALUE_ADDRESS (msymbol);
+ section = SYMBOL_OBJ_SECTION (msymbol);
+ name = SYMBOL_LINKAGE_NAME (msymbol);
+ objfile = msymbol_objfile (msymbol);
}
- sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0);
+
+ gdbarch = get_objfile_arch (objfile);
+
+ /* If the function is in an unmapped overlay, use its unmapped LMA address,
+ so that gdbarch_skip_prologue has something unique to work on. */
+ if (section_is_overlay (section) && !section_is_mapped (section))
+ pc = overlay_unmapped_address (pc, section);
+
+ /* Skip "first line" of function (which is actually its prologue). */
+ pc += gdbarch_deprecated_function_start_offset (gdbarch);
+ pc = gdbarch_skip_prologue (gdbarch, pc);
+
+ /* For overlays, map pc back into its mapped VMA range. */
+ pc = overlay_mapped_address (pc, section);
+
+ /* Calculate line number. */
+ start_sal = find_pc_sect_line (pc, section, 0);
/* Check if gdbarch_skip_prologue left us in mid-line, and the next
line is still part of the same function. */
- if (sal.pc != pc
- && BLOCK_START (block) <= sal.end
- && sal.end < BLOCK_END (block))
+ if (start_sal.pc != pc
+ && (sym? (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) <= start_sal.end
+ && start_sal.end < BLOCK_END (SYMBOL_BLOCK_VALUE (sym)))
+ : (lookup_minimal_symbol_by_pc_section (start_sal.end, section)
+ == lookup_minimal_symbol_by_pc_section (pc, section))))
{
/* First pc of next line */
- pc = sal.end;
+ pc = start_sal.end;
/* Recalculate the line number (might not be N+1). */
- sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0);
+ start_sal = find_pc_sect_line (pc, section, 0);
}
- sal.pc = pc;
- return sal;
+ /* On targets with executable formats that don't have a concept of
+ constructors (ELF with .init has, PE doesn't), gcc emits a call
+ to `__main' in `main' between the prologue and before user
+ code. */
+ if (gdbarch_skip_main_prologue_p (gdbarch)
+ && name && strcmp (name, "main") == 0)
+ {
+ pc = gdbarch_skip_main_prologue (gdbarch, pc);
+ /* Recalculate the line number (might not be N+1). */
+ start_sal = find_pc_sect_line (pc, section, 0);
+ }
+
+ /* If we still don't have a valid source line, try to find the first
+ PC in the lineinfo table that belongs to the same function. This
+ happens with COFF debug info, which does not seem to have an
+ entry in lineinfo table for the code after the prologue which has
+ no direct relation to source. For example, this was found to be
+ the case with the DJGPP target using "gcc -gcoff" when the
+ compiler inserted code after the prologue to make sure the stack
+ is aligned. */
+ if (sym && start_sal.symtab == NULL)
+ {
+ pc = skip_prologue_using_lineinfo (pc, SYMBOL_SYMTAB (sym));
+ /* Recalculate the line number. */
+ start_sal = find_pc_sect_line (pc, section, 0);
+ }
+
+ do_cleanups (old_chain);
+
+ /* If we're already past the prologue, leave SAL unchanged. Otherwise
+ forward SAL to the end of the prologue. */
+ if (sal->pc >= pc)
+ return;
+
+ sal->pc = pc;
+ sal->section = section;
+
+ /* Unless the explicit_line flag was set, update the SAL line
+ and symtab to correspond to the modified PC location. */
+ if (sal->explicit_line)
+ return;
+
+ sal->symtab = start_sal.symtab;
+ sal->line = start_sal.line;
+ sal->end = start_sal.end;
+
+ /* Check if we are now inside an inlined function. If we can,
+ use the call site of the function instead. */
+ b = block_for_pc_sect (sal->pc, sal->section);
+ function_block = NULL;
+ while (b != NULL)
+ {
+ if (BLOCK_FUNCTION (b) != NULL && block_inlined_p (b))
+ function_block = b;
+ else if (BLOCK_FUNCTION (b) != NULL)
+ break;
+ b = BLOCK_SUPERBLOCK (b);
+ }
+ if (function_block != NULL
+ && SYMBOL_LINE (BLOCK_FUNCTION (function_block)) != 0)
+ {
+ sal->line = SYMBOL_LINE (BLOCK_FUNCTION (function_block));
+ sal->symtab = SYMBOL_SYMTAB (BLOCK_FUNCTION (function_block));
+ }
}
/* If P is of the form "operator[ \t]+..." where `...' is
if (isalpha (*p) || *p == '_' || *p == '$')
{
char *q = p + 1;
+
while (isalnum (*q) || *q == '_' || *q == '$')
q++;
*end = q;
case '\\': /* regexp quoting */
if (p[1] == '*')
{
- if (p[2] == '=') /* 'operator\*=' */
+ if (p[2] == '=') /* 'operator\*=' */
*end = p + 3;
else /* 'operator\*' */
*end = p + 2;
else if (p[1] == '[')
{
if (p[2] == ']')
- error (_("mismatched quoting on brackets, try 'operator\\[\\]'"));
+ error (_("mismatched quoting on brackets, "
+ "try 'operator\\[\\]'"));
else if (p[2] == '\\' && p[3] == ']')
{
*end = p + 4; /* 'operator\[\]' */
else
error (_("nothing is allowed between '[' and ']'"));
}
- else
+ else
{
/* Gratuitous qoute: skip it and move on. */
p++;
return p;
case '(':
if (p[1] != ')')
- error (_("`operator ()' must be specified without whitespace in `()'"));
+ error (_("`operator ()' must be specified "
+ "without whitespace in `()'"));
*end = p + 2;
return p;
case '?':
if (p[1] != ':')
- error (_("`operator ?:' must be specified without whitespace in `?:'"));
+ error (_("`operator ?:' must be specified "
+ "without whitespace in `?:'"));
*end = p + 2;
return p;
case '[':
if (p[1] != ']')
- error (_("`operator []' must be specified without whitespace in `[]'"));
+ error (_("`operator []' must be specified "
+ "without whitespace in `[]'"));
*end = p + 2;
return p;
default:
fputs_filtered (name, gdb_stdout);
}
+/* A callback for map_partial_symbol_filenames. */
+static void
+output_partial_symbol_filename (const char *fullname, const char *filename,
+ void *data)
+{
+ output_source_filename (fullname ? fullname : filename, data);
+}
+
static void
sources_info (char *ignore, int from_tty)
{
struct symtab *s;
- struct partial_symtab *ps;
struct objfile *objfile;
int first;
ALL_SYMTABS (objfile, s)
{
const char *fullname = symtab_to_fullname (s);
+
output_source_filename (fullname ? fullname : s->filename, &first);
}
printf_filtered ("\n\n");
- printf_filtered ("Source files for which symbols will be read in on demand:\n\n");
+ printf_filtered ("Source files for which symbols "
+ "will be read in on demand:\n\n");
first = 1;
- ALL_PSYMTABS (objfile, ps)
- {
- if (!ps->readin)
- {
- const char *fullname = psymtab_to_fullname (ps);
- output_source_filename (fullname ? fullname : ps->filename, &first);
- }
- }
+ map_partial_symbol_filenames (output_partial_symbol_filename, &first);
printf_filtered ("\n");
}
static int
-file_matches (char *file, char *files[], int nfiles)
+file_matches (const char *file, char *files[], int nfiles)
{
int i;
qsort (symbols, nfound, sizeof (struct symbol_search *),
compare_search_syms);
- symp = prevtail;
- for (i = 0; i < nfound; i++)
- {
- symp->next = symbols[i];
- symp = symp->next;
- }
- symp->next = old_next;
+ symp = prevtail;
+ for (i = 0; i < nfound; i++)
+ {
+ symp->next = symbols[i];
+ symp = symp->next;
+ }
+ symp->next = old_next;
+
+ xfree (symbols);
+ return symp;
+}
+
+/* An object of this type is passed as the user_data to the
+ expand_symtabs_matching method. */
+struct search_symbols_data
+{
+ int nfiles;
+ char **files;
+ char *regexp;
+};
+
+/* A callback for expand_symtabs_matching. */
+static int
+search_symbols_file_matches (const char *filename, void *user_data)
+{
+ struct search_symbols_data *data = user_data;
+
+ return file_matches (filename, data->files, data->nfiles);
+}
+
+/* A callback for expand_symtabs_matching. */
+static int
+search_symbols_name_matches (const char *symname, void *user_data)
+{
+ struct search_symbols_data *data = user_data;
- xfree (symbols);
- return symp;
+ return data->regexp == NULL || re_exec (symname);
}
/* Search the symbol table for matches to the regular expression REGEXP,
Only symbols of KIND are searched:
FUNCTIONS_DOMAIN - search all functions
TYPES_DOMAIN - search all type names
- METHODS_DOMAIN - search all methods NOT IMPLEMENTED
VARIABLES_DOMAIN - search all symbols, excluding functions, type names,
and constants (enums)
struct symbol_search **matches)
{
struct symtab *s;
- struct partial_symtab *ps;
struct blockvector *bv;
struct block *b;
int i = 0;
struct dict_iterator iter;
struct symbol *sym;
- struct partial_symbol **psym;
struct objfile *objfile;
struct minimal_symbol *msymbol;
char *val;
int found_misc = 0;
- static enum minimal_symbol_type types[]
- =
- {mst_data, mst_text, mst_abs, mst_unknown};
- static enum minimal_symbol_type types2[]
- =
- {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};
+ static const enum minimal_symbol_type types[]
+ = {mst_data, mst_text, mst_abs, mst_unknown};
+ static const enum minimal_symbol_type types2[]
+ = {mst_bss, mst_file_text, mst_abs, mst_unknown};
+ static const enum minimal_symbol_type types3[]
+ = {mst_file_data, mst_solib_trampoline, mst_abs, mst_unknown};
+ static const enum minimal_symbol_type types4[]
+ = {mst_file_bss, mst_text, mst_abs, mst_unknown};
enum minimal_symbol_type ourtype;
enum minimal_symbol_type ourtype2;
enum minimal_symbol_type ourtype3;
struct symbol_search *psr;
struct symbol_search *tail;
struct cleanup *old_chain = NULL;
+ struct search_symbols_data datum;
if (kind < VARIABLES_DOMAIN)
error (_("must search on specific domain"));
and <TYPENAME> or <OPERATOR>. */
char *opend;
char *opname = operator_chars (regexp, &opend);
+
if (*opname)
{
- int fix = -1; /* -1 means ok; otherwise number of spaces needed. */
+ int fix = -1; /* -1 means ok; otherwise number of
+ spaces needed. */
+
if (isalpha (*opname) || *opname == '_' || *opname == '$')
{
/* There should 1 space between 'operator' and 'TYPENAME'. */
if (fix >= 0)
{
char *tmp = (char *) alloca (8 + fix + strlen (opname) + 1);
+
sprintf (tmp, "operator%.*s%s", fix, " ", opname);
regexp = tmp;
}
matching the regexp. That way we don't have to reproduce all of
the machinery below. */
- ALL_PSYMTABS (objfile, ps)
+ datum.nfiles = nfiles;
+ datum.files = files;
+ datum.regexp = regexp;
+ ALL_OBJFILES (objfile)
{
- struct partial_symbol **bound, **gbound, **sbound;
- int keep_going = 1;
-
- if (ps->readin)
- continue;
-
- gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms;
- sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms;
- bound = gbound;
-
- /* Go through all of the symbols stored in a partial
- symtab in one loop. */
- psym = objfile->global_psymbols.list + ps->globals_offset;
- while (keep_going)
- {
- if (psym >= bound)
- {
- if (bound == gbound && ps->n_static_syms != 0)
- {
- psym = objfile->static_psymbols.list + ps->statics_offset;
- bound = sbound;
- }
- else
- keep_going = 0;
- continue;
- }
- else
- {
- QUIT;
-
- /* If it would match (logic taken from loop below)
- load the file and go on to the next one. We check the
- filename here, but that's a bit bogus: we don't know
- what file it really comes from until we have full
- symtabs. The symbol might be in a header file included by
- this psymtab. This only affects Insight. */
- if (file_matches (ps->filename, files, nfiles)
- && ((regexp == NULL
- || re_exec (SYMBOL_NATURAL_NAME (*psym)) != 0)
- && ((kind == VARIABLES_DOMAIN && SYMBOL_CLASS (*psym) != LOC_TYPEDEF
- && SYMBOL_CLASS (*psym) != LOC_BLOCK)
- || (kind == FUNCTIONS_DOMAIN && SYMBOL_CLASS (*psym) == LOC_BLOCK)
- || (kind == TYPES_DOMAIN && SYMBOL_CLASS (*psym) == LOC_TYPEDEF)
- || (kind == METHODS_DOMAIN && SYMBOL_CLASS (*psym) == LOC_BLOCK))))
- {
- PSYMTAB_TO_SYMTAB (ps);
- keep_going = 0;
- }
- }
- psym++;
- }
+ if (objfile->sf)
+ objfile->sf->qf->expand_symtabs_matching (objfile,
+ search_symbols_file_matches,
+ search_symbols_name_matches,
+ kind,
+ &datum);
}
/* Here, we search through the minimal symbol tables for functions
{
ALL_MSYMBOLS (objfile, msymbol)
{
+ QUIT;
+
if (MSYMBOL_TYPE (msymbol) == ourtype ||
MSYMBOL_TYPE (msymbol) == ourtype2 ||
MSYMBOL_TYPE (msymbol) == ourtype3 ||
{
struct symbol_search *prevtail = tail;
int nfound = 0;
+
b = BLOCKVECTOR_BLOCK (bv, i);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
struct symtab *real_symtab = SYMBOL_SYMTAB (sym);
+
QUIT;
if (file_matches (real_symtab->filename, files, nfiles)
&& ((regexp == NULL
|| re_exec (SYMBOL_NATURAL_NAME (sym)) != 0)
- && ((kind == VARIABLES_DOMAIN && SYMBOL_CLASS (sym) != LOC_TYPEDEF
+ && ((kind == VARIABLES_DOMAIN
+ && SYMBOL_CLASS (sym) != LOC_TYPEDEF
+ && SYMBOL_CLASS (sym) != LOC_UNRESOLVED
&& SYMBOL_CLASS (sym) != LOC_BLOCK
- && SYMBOL_CLASS (sym) != LOC_CONST)
- || (kind == FUNCTIONS_DOMAIN && SYMBOL_CLASS (sym) == LOC_BLOCK)
- || (kind == TYPES_DOMAIN && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
- || (kind == METHODS_DOMAIN && SYMBOL_CLASS (sym) == LOC_BLOCK))))
+ /* LOC_CONST can be used for more than just enums,
+ e.g., c++ static const members.
+ We only want to skip enums here. */
+ && !(SYMBOL_CLASS (sym) == LOC_CONST
+ && TYPE_CODE (SYMBOL_TYPE (sym))
+ == TYPE_CODE_ENUM))
+ || (kind == FUNCTIONS_DOMAIN
+ && SYMBOL_CLASS (sym) == LOC_BLOCK)
+ || (kind == TYPES_DOMAIN
+ && SYMBOL_CLASS (sym) == LOC_TYPEDEF))))
{
/* match */
- psr = (struct symbol_search *) xmalloc (sizeof (struct symbol_search));
+ psr = (struct symbol_search *)
+ xmalloc (sizeof (struct symbol_search));
psr->block = i;
psr->symtab = real_symtab;
psr->symbol = sym;
{
ALL_MSYMBOLS (objfile, msymbol)
{
+ QUIT;
+
if (MSYMBOL_TYPE (msymbol) == ourtype ||
MSYMBOL_TYPE (msymbol) == ourtype2 ||
MSYMBOL_TYPE (msymbol) == ourtype3 ||
== NULL)
{
/* match */
- psr = (struct symbol_search *) xmalloc (sizeof (struct symbol_search));
+ psr = (struct symbol_search *)
+ xmalloc (sizeof (struct symbol_search));
psr->block = i;
psr->msymbol = msymbol;
psr->symtab = NULL;
static void
print_msymbol_info (struct minimal_symbol *msymbol)
{
+ struct gdbarch *gdbarch = get_objfile_arch (msymbol_objfile (msymbol));
char *tmp;
- if (gdbarch_addr_bit (current_gdbarch) <= 32)
+ if (gdbarch_addr_bit (gdbarch) <= 32)
tmp = hex_string_custom (SYMBOL_VALUE_ADDRESS (msymbol)
& (CORE_ADDR) 0xffffffff,
8);
static void
symtab_symbol_info (char *regexp, domain_enum kind, int from_tty)
{
- static char *classnames[]
- =
- {"variable", "function", "type", "method"};
+ static const char * const classnames[] =
+ {"variable", "function", "type", "method"};
struct symbol_search *symbols;
struct symbol_search *p;
struct cleanup *old_chain;
rbreak_command (regexp, from_tty);
}
+/* A cleanup function that calls end_rbreak_breakpoints. */
+
+static void
+do_end_rbreak_breakpoints (void *ignore)
+{
+ end_rbreak_breakpoints ();
+}
+
static void
rbreak_command (char *regexp, int from_tty)
{
struct symbol_search *ss;
struct symbol_search *p;
struct cleanup *old_chain;
+ char *string = NULL;
+ int len = 0;
+ char **files = NULL;
+ int nfiles = 0;
+
+ if (regexp)
+ {
+ char *colon = strchr (regexp, ':');
+
+ if (colon && *(colon + 1) != ':')
+ {
+ int colon_index;
+ char * file_name;
+
+ colon_index = colon - regexp;
+ file_name = alloca (colon_index + 1);
+ memcpy (file_name, regexp, colon_index);
+ file_name[colon_index--] = 0;
+ while (isspace (file_name[colon_index]))
+ file_name[colon_index--] = 0;
+ files = &file_name;
+ nfiles = 1;
+ regexp = colon + 1;
+ while (isspace (*regexp)) regexp++;
+ }
+ }
- search_symbols (regexp, FUNCTIONS_DOMAIN, 0, (char **) NULL, &ss);
+ search_symbols (regexp, FUNCTIONS_DOMAIN, nfiles, files, &ss);
old_chain = make_cleanup_free_search_symbols (ss);
+ make_cleanup (free_current_contents, &string);
+ start_rbreak_breakpoints ();
+ make_cleanup (do_end_rbreak_breakpoints, NULL);
for (p = ss; p != NULL; p = p->next)
{
if (p->msymbol == NULL)
{
- char *string = alloca (strlen (p->symtab->filename)
- + strlen (SYMBOL_LINKAGE_NAME (p->symbol))
- + 4);
+ int newlen = (strlen (p->symtab->filename)
+ + strlen (SYMBOL_LINKAGE_NAME (p->symbol))
+ + 4);
+
+ if (newlen > len)
+ {
+ string = xrealloc (string, newlen);
+ len = newlen;
+ }
strcpy (string, p->symtab->filename);
strcat (string, ":'");
strcat (string, SYMBOL_LINKAGE_NAME (p->symbol));
}
else
{
- char *string = alloca (strlen (SYMBOL_LINKAGE_NAME (p->msymbol))
- + 3);
+ int newlen = (strlen (SYMBOL_LINKAGE_NAME (p->msymbol)) + 3);
+
+ if (newlen > len)
+ {
+ string = xrealloc (string, newlen);
+ len = newlen;
+ }
strcpy (string, "'");
strcat (string, SYMBOL_LINKAGE_NAME (p->msymbol));
strcat (string, "'");
char *text, char *word)
{
int newsize;
- int i;
/* clip symbols that cannot match */
{
char *new;
+
if (word == sym_text)
{
new = xmalloc (strlen (symname) + 5);
{
static char *tmp = NULL;
static unsigned int tmplen = 0;
-
+
char *method, *category, *selector;
char *tmp2 = NULL;
-
+
method = SYMBOL_NATURAL_NAME (msymbol);
/* Is it a method? */
if (sym_text[0] == '[')
/* Complete on shortened method method. */
completion_list_add_name (method + 1, sym_text, sym_text_len, text, word);
-
+
while ((strlen (method) + 1) >= tmplen)
{
if (tmplen == 0)
selector = strchr (method, ' ');
if (selector != NULL)
selector++;
-
+
category = strchr (method, '(');
-
+
if ((category != NULL) && (selector != NULL))
{
memcpy (tmp, method, (category - method));
if (sym_text[0] == '[')
completion_list_add_name (tmp + 1, sym_text, sym_text_len, text, word);
}
-
+
if (selector != NULL)
{
/* Complete on selector only. */
tmp2 = strchr (tmp, ']');
if (tmp2 != NULL)
*tmp2 = '\0';
-
+
completion_list_add_name (tmp, sym_text, sym_text_len, text, word);
}
}
return p;
}
+static void
+completion_list_add_fields (struct symbol *sym, char *sym_text,
+ int sym_text_len, char *text, char *word)
+{
+ if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
+ {
+ struct type *t = SYMBOL_TYPE (sym);
+ enum type_code c = TYPE_CODE (t);
+ int j;
+
+ if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT)
+ for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
+ if (TYPE_FIELD_NAME (t, j))
+ completion_list_add_name (TYPE_FIELD_NAME (t, j),
+ sym_text, sym_text_len, text, word);
+ }
+}
+
+/* Type of the user_data argument passed to add_macro_name or
+ add_partial_symbol_name. The contents are simply whatever is
+ needed by completion_list_add_name. */
+struct add_name_data
+{
+ char *sym_text;
+ int sym_text_len;
+ char *text;
+ char *word;
+};
+
+/* A callback used with macro_for_each and macro_for_each_in_scope.
+ This adds a macro's name to the current completion list. */
+static void
+add_macro_name (const char *name, const struct macro_definition *ignore,
+ void *user_data)
+{
+ struct add_name_data *datum = (struct add_name_data *) user_data;
+
+ completion_list_add_name ((char *) name,
+ datum->sym_text, datum->sym_text_len,
+ datum->text, datum->word);
+}
+
+/* A callback for map_partial_symbol_names. */
+static void
+add_partial_symbol_name (const char *name, void *user_data)
+{
+ struct add_name_data *datum = (struct add_name_data *) user_data;
+
+ completion_list_add_name ((char *) name,
+ datum->sym_text, datum->sym_text_len,
+ datum->text, datum->word);
+}
+
char **
-default_make_symbol_completion_list (char *text, char *word)
+default_make_symbol_completion_list_break_on (char *text, char *word,
+ const char *break_on)
{
/* Problem: All of the symbols have to be copied because readline
frees them. I'm not going to worry about this; hopefully there
struct symbol *sym;
struct symtab *s;
- struct partial_symtab *ps;
struct minimal_symbol *msymbol;
struct objfile *objfile;
- struct block *b, *surrounding_static_block = 0;
+ struct block *b;
+ const struct block *surrounding_static_block, *surrounding_global_block;
struct dict_iterator iter;
- int j;
- struct partial_symbol **psym;
/* The symbol we are completing on. Points in same buffer as text. */
char *sym_text;
/* Length of sym_text. */
int sym_text_len;
+ struct add_name_data datum;
/* Now look for the symbol we are supposed to complete on. */
{
which are in symbols. */
while (p > text)
{
- if (isalnum (p[-1]) || p[-1] == '_' || p[-1] == '\0')
+ if (isalnum (p[-1]) || p[-1] == '_' || p[-1] == '\0'
+ || p[-1] == ':' || strchr (break_on, p[-1]) != NULL)
--p;
else
break;
return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *));
return_val[0] = NULL;
+ datum.sym_text = sym_text;
+ datum.sym_text_len = sym_text_len;
+ datum.text = text;
+ datum.word = word;
+
/* Look through the partial symtabs for all symbols which begin
by matching SYM_TEXT. Add each one that you find to the list. */
-
- ALL_PSYMTABS (objfile, ps)
- {
- /* If the psymtab's been read in we'll get it when we search
- through the blockvector. */
- if (ps->readin)
- continue;
-
- for (psym = objfile->global_psymbols.list + ps->globals_offset;
- psym < (objfile->global_psymbols.list + ps->globals_offset
- + ps->n_global_syms);
- psym++)
- {
- /* If interrupted, then quit. */
- QUIT;
- COMPLETION_LIST_ADD_SYMBOL (*psym, sym_text, sym_text_len, text, word);
- }
-
- for (psym = objfile->static_psymbols.list + ps->statics_offset;
- psym < (objfile->static_psymbols.list + ps->statics_offset
- + ps->n_static_syms);
- psym++)
- {
- QUIT;
- COMPLETION_LIST_ADD_SYMBOL (*psym, sym_text, sym_text_len, text, word);
- }
- }
+ map_partial_symbol_names (add_partial_symbol_name, &datum);
/* At this point scan through the misc symbol vectors and add each
symbol you find to the list. Eventually we want to ignore
{
QUIT;
COMPLETION_LIST_ADD_SYMBOL (msymbol, sym_text, sym_text_len, text, word);
-
+
completion_list_objc_symbol (msymbol, sym_text, sym_text_len, text, word);
}
/* Search upwards from currently selected frame (so that we can
- complete on local vars. */
+ complete on local vars). Also catch fields of types defined in
+ this places which match our text string. Only complete on types
+ visible from current context. */
+
+ b = get_selected_block (0);
+ surrounding_static_block = block_static_block (b);
+ surrounding_global_block = block_global_block (b);
+ if (surrounding_static_block != NULL)
+ while (b != surrounding_static_block)
+ {
+ QUIT;
- for (b = get_selected_block (0); b != NULL; b = BLOCK_SUPERBLOCK (b))
- {
- if (!BLOCK_SUPERBLOCK (b))
- {
- surrounding_static_block = b; /* For elmin of dups */
- }
+ ALL_BLOCK_SYMBOLS (b, iter, sym)
+ {
+ COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text,
+ word);
+ completion_list_add_fields (sym, sym_text, sym_text_len, text,
+ word);
+ }
- /* Also catch fields of types defined in this places which match our
- text string. Only complete on types visible from current context. */
+ /* Stop when we encounter an enclosing function. Do not stop for
+ non-inlined functions - the locals of the enclosing function
+ are in scope for a nested function. */
+ if (BLOCK_FUNCTION (b) != NULL && block_inlined_p (b))
+ break;
+ b = BLOCK_SUPERBLOCK (b);
+ }
- ALL_BLOCK_SYMBOLS (b, iter, sym)
- {
- QUIT;
- COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word);
- if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
- {
- struct type *t = SYMBOL_TYPE (sym);
- enum type_code c = TYPE_CODE (t);
+ /* Add fields from the file's types; symbols will be added below. */
- if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT)
- {
- for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
- {
- if (TYPE_FIELD_NAME (t, j))
- {
- completion_list_add_name (TYPE_FIELD_NAME (t, j),
- sym_text, sym_text_len, text, word);
- }
- }
- }
- }
- }
- }
+ if (surrounding_static_block != NULL)
+ ALL_BLOCK_SYMBOLS (surrounding_static_block, iter, sym)
+ completion_list_add_fields (sym, sym_text, sym_text_len, text, word);
+
+ if (surrounding_global_block != NULL)
+ ALL_BLOCK_SYMBOLS (surrounding_global_block, iter, sym)
+ completion_list_add_fields (sym, sym_text, sym_text_len, text, word);
/* Go through the symtabs and check the externs and statics for
symbols which match. */
{
QUIT;
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
- /* Don't do this block twice. */
- if (b == surrounding_static_block)
- continue;
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word);
}
}
+ if (current_language->la_macro_expansion == macro_expansion_c)
+ {
+ struct macro_scope *scope;
+
+ /* Add any macros visible in the default scope. Note that this
+ may yield the occasional wrong result, because an expression
+ might be evaluated in a scope other than the default. For
+ example, if the user types "break file:line if <TAB>", the
+ resulting expression will be evaluated at "file:line" -- but
+ at there does not seem to be a way to detect this at
+ completion time. */
+ scope = default_macro_scope ();
+ if (scope)
+ {
+ macro_for_each_in_scope (scope->file, scope->line,
+ add_macro_name, &datum);
+ xfree (scope);
+ }
+
+ /* User-defined macros are always visible. */
+ macro_for_each (macro_user_macros, add_macro_name, &datum);
+ }
+
return (return_val);
}
+char **
+default_make_symbol_completion_list (char *text, char *word)
+{
+ return default_make_symbol_completion_list_break_on (text, word, "");
+}
+
/* Return a NULL terminated array of all symbols (regardless of class)
which begin by matching TEXT. If the answer is no symbols, then
the return value is an array which contains only a NULL pointer. */
return current_language->la_make_symbol_completion_list (text, word);
}
+/* Like make_symbol_completion_list, but suitable for use as a
+ completion function. */
+
+char **
+make_symbol_completion_list_fn (struct cmd_list_element *ignore,
+ char *text, char *word)
+{
+ return make_symbol_completion_list (text, word);
+}
+
/* Like make_symbol_completion_list, but returns a list of symbols
defined in a source file FILE. */
return 0;
}
+/* An object of this type is passed as the user_data argument to
+ map_partial_symbol_filenames. */
+struct add_partial_filename_data
+{
+ int *first;
+ char *text;
+ char *word;
+ int text_len;
+ char ***list;
+ int *list_used;
+ int *list_alloced;
+};
+
+/* A callback for map_partial_symbol_filenames. */
+static void
+maybe_add_partial_symtab_filename (const char *filename, const char *fullname,
+ void *user_data)
+{
+ struct add_partial_filename_data *data = user_data;
+
+ if (not_interesting_fname (filename))
+ return;
+ if (!filename_seen (filename, 1, data->first)
+#if HAVE_DOS_BASED_FILE_SYSTEM
+ && strncasecmp (filename, data->text, data->text_len) == 0
+#else
+ && strncmp (filename, data->text, data->text_len) == 0
+#endif
+ )
+ {
+ /* This file matches for a completion; add it to the
+ current list of matches. */
+ add_filename_to_list (filename, data->text, data->word,
+ data->list, data->list_used, data->list_alloced);
+ }
+ else
+ {
+ const char *base_name = lbasename (filename);
+
+ if (base_name != filename
+ && !filename_seen (base_name, 1, data->first)
+#if HAVE_DOS_BASED_FILE_SYSTEM
+ && strncasecmp (base_name, data->text, data->text_len) == 0
+#else
+ && strncmp (base_name, data->text, data->text_len) == 0
+#endif
+ )
+ add_filename_to_list (base_name, data->text, data->word,
+ data->list, data->list_used, data->list_alloced);
+ }
+}
+
/* Return a NULL terminated array of all source files whose names
begin with matching TEXT. The file names are looked up in the
symbol tables of this program. If the answer is no matchess, then
make_source_files_completion_list (char *text, char *word)
{
struct symtab *s;
- struct partial_symtab *ps;
struct objfile *objfile;
int first = 1;
int list_alloced = 1;
size_t text_len = strlen (text);
char **list = (char **) xmalloc (list_alloced * sizeof (char *));
const char *base_name;
+ struct add_partial_filename_data datum;
list[0] = NULL;
}
}
- ALL_PSYMTABS (objfile, ps)
- {
- if (not_interesting_fname (ps->filename))
- continue;
- if (!ps->readin)
- {
- if (!filename_seen (ps->filename, 1, &first)
-#if HAVE_DOS_BASED_FILE_SYSTEM
- && strncasecmp (ps->filename, text, text_len) == 0
-#else
- && strncmp (ps->filename, text, text_len) == 0
-#endif
- )
- {
- /* This file matches for a completion; add it to the
- current list of matches. */
- add_filename_to_list (ps->filename, text, word,
- &list, &list_used, &list_alloced);
-
- }
- else
- {
- base_name = lbasename (ps->filename);
- if (base_name != ps->filename
- && !filename_seen (base_name, 1, &first)
-#if HAVE_DOS_BASED_FILE_SYSTEM
- && strncasecmp (base_name, text, text_len) == 0
-#else
- && strncmp (base_name, text, text_len) == 0
-#endif
- )
- add_filename_to_list (base_name, text, word,
- &list, &list_used, &list_alloced);
- }
- }
- }
+ datum.first = &first;
+ datum.text = text;
+ datum.word = word;
+ datum.text_len = text_len;
+ datum.list = &list;
+ datum.list_used = &list_used;
+ datum.list_alloced = &list_alloced;
+ map_partial_symbol_filenames (maybe_add_partial_symtab_filename, &datum);
return list;
}
*/
int
-in_prologue (CORE_ADDR pc, CORE_ADDR func_start)
+in_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR func_start)
{
struct symtab_and_line sal;
CORE_ADDR func_addr, func_end;
if (! func_start)
return 1; /* We *might* be in a prologue. */
- prologue_end = gdbarch_skip_prologue (current_gdbarch, func_start);
+ prologue_end = gdbarch_skip_prologue (gdbarch, func_start);
return func_start <= pc && pc < prologue_end;
}
/* We don't have any good line number info, so use the minsym
information, together with the architecture-specific prologue
scanning code. */
- CORE_ADDR prologue_end = gdbarch_skip_prologue
- (current_gdbarch, func_addr);
+ CORE_ADDR prologue_end = gdbarch_skip_prologue (gdbarch, func_addr);
return func_addr <= pc && pc < prologue_end;
}
found in both ia64 and ppc). */
CORE_ADDR
-skip_prologue_using_sal (CORE_ADDR func_addr)
+skip_prologue_using_sal (struct gdbarch *gdbarch, CORE_ADDR func_addr)
{
struct symtab_and_line prologue_sal;
CORE_ADDR start_pc;
CORE_ADDR end_pc;
+ struct block *bl;
/* Get an initial range for the function. */
find_pc_partial_function (func_addr, NULL, &start_pc, &end_pc);
- start_pc += gdbarch_deprecated_function_start_offset (current_gdbarch);
+ start_pc += gdbarch_deprecated_function_start_offset (gdbarch);
prologue_sal = find_pc_line (start_pc, 0);
if (prologue_sal.line != 0)
{
+ /* For langauges other than assembly, treat two consecutive line
+ entries at the same address as a zero-instruction prologue.
+ The GNU assembler emits separate line notes for each instruction
+ in a multi-instruction macro, but compilers generally will not
+ do this. */
+ if (prologue_sal.symtab->language != language_asm)
+ {
+ struct linetable *linetable = LINETABLE (prologue_sal.symtab);
+ int idx = 0;
+
+ /* Skip any earlier lines, and any end-of-sequence marker
+ from a previous function. */
+ while (linetable->item[idx].pc != prologue_sal.pc
+ || linetable->item[idx].line == 0)
+ idx++;
+
+ if (idx+1 < linetable->nitems
+ && linetable->item[idx+1].line != 0
+ && linetable->item[idx+1].pc == start_pc)
+ return start_pc;
+ }
+
/* If there is only one sal that covers the entire function,
then it is probably a single line function, like
"foo(){}". */
if (prologue_sal.end >= end_pc)
return 0;
+
while (prologue_sal.end < end_pc)
{
struct symtab_and_line sal;
line mark the prologue -> body transition. */
if (sal.line >= prologue_sal.line)
break;
+
+ /* The line number is smaller. Check that it's from the
+ same function, not something inlined. If it's inlined,
+ then there is no point comparing the line numbers. */
+ bl = block_for_pc (prologue_sal.end);
+ while (bl)
+ {
+ if (block_inlined_p (bl))
+ break;
+ if (BLOCK_FUNCTION (bl))
+ {
+ bl = NULL;
+ break;
+ }
+ bl = BLOCK_SUPERBLOCK (bl);
+ }
+ if (bl != NULL)
+ break;
+
/* The case in which compiler's optimizer/scheduler has
moved instructions into the prologue. We look ahead in
the function looking for address ranges whose
prologue_sal = sal;
}
}
- return prologue_sal.end;
+
+ if (prologue_sal.end < end_pc)
+ /* Return the end of this line, or zero if we could not find a
+ line. */
+ return prologue_sal.end;
+ else
+ /* Don't return END_PC, which is past the end of the function. */
+ return prologue_sal.pc;
}
\f
struct symtabs_and_lines
{
struct symtabs_and_lines sals;
struct symtab_and_line cursal;
-
+
if (string == 0)
error (_("Empty line specification."));
-
+
/* We use whatever is set as the current source line. We do not try
- and get a default or it will recursively call us! */
+ and get a default or it will recursively call us! */
cursal = get_current_source_symtab_and_line ();
-
+
sals = decode_line_1 (&string, funfirstline,
cursal.symtab, cursal.line,
(char ***) NULL, NULL);
/* Track MAIN */
static char *name_of_main;
+enum language language_of_main = language_unknown;
void
set_main_name (const char *name)
{
xfree (name_of_main);
name_of_main = NULL;
+ language_of_main = language_unknown;
}
if (name != NULL)
{
name_of_main = xstrdup (name);
+ language_of_main = language_unknown;
}
}
a more complicated approach. */
new_main_name = ada_main_name ();
if (new_main_name != NULL)
- {
+ {
set_main_name (new_main_name);
return;
}
new_main_name = pascal_main_name ();
if (new_main_name != NULL)
- {
+ {
set_main_name (new_main_name);
return;
}
/* Handle ``executable_changed'' events for the symtab module. */
static void
-symtab_observer_executable_changed (void *unused)
+symtab_observer_executable_changed (void)
{
/* NAME_OF_MAIN may no longer be the same, so reset it for now. */
set_main_name (NULL);
initializing it from SYMTAB, LINENO and PC. */
static void
append_expanded_sal (struct symtabs_and_lines *sal,
+ struct program_space *pspace,
struct symtab *symtab,
int lineno, CORE_ADDR pc)
{
- CORE_ADDR func_addr, func_end;
-
- sal->sals = xrealloc (sal->sals,
- sizeof (sal->sals[0])
+ sal->sals = xrealloc (sal->sals,
+ sizeof (sal->sals[0])
* (sal->nelts + 1));
init_sal (sal->sals + sal->nelts);
+ sal->sals[sal->nelts].pspace = pspace;
sal->sals[sal->nelts].symtab = symtab;
sal->sals[sal->nelts].section = NULL;
sal->sals[sal->nelts].end = 0;
- sal->sals[sal->nelts].line = lineno;
+ sal->sals[sal->nelts].line = lineno;
sal->sals[sal->nelts].pc = pc;
- ++sal->nelts;
+ ++sal->nelts;
+}
+
+/* Helper to expand_line_sal below. Search in the symtabs for any
+ linetable entry that exactly matches FULLNAME and LINENO and append
+ them to RET. If FULLNAME is NULL or if a symtab has no full name,
+ use FILENAME and LINENO instead. If there is at least one match,
+ return 1; otherwise, return 0, and return the best choice in BEST_ITEM
+ and BEST_SYMTAB. */
+
+static int
+append_exact_match_to_sals (char *filename, char *fullname, int lineno,
+ struct symtabs_and_lines *ret,
+ struct linetable_entry **best_item,
+ struct symtab **best_symtab)
+{
+ struct program_space *pspace;
+ struct objfile *objfile;
+ struct symtab *symtab;
+ int exact = 0;
+ int j;
+ *best_item = 0;
+ *best_symtab = 0;
+
+ ALL_PSPACES (pspace)
+ ALL_PSPACE_SYMTABS (pspace, objfile, symtab)
+ {
+ if (FILENAME_CMP (filename, symtab->filename) == 0)
+ {
+ struct linetable *l;
+ int len;
+
+ if (fullname != NULL
+ && symtab_to_fullname (symtab) != NULL
+ && FILENAME_CMP (fullname, symtab->fullname) != 0)
+ continue;
+ l = LINETABLE (symtab);
+ if (!l)
+ continue;
+ len = l->nitems;
+
+ for (j = 0; j < len; j++)
+ {
+ struct linetable_entry *item = &(l->item[j]);
+
+ if (item->line == lineno)
+ {
+ exact = 1;
+ append_expanded_sal (ret, objfile->pspace,
+ symtab, lineno, item->pc);
+ }
+ else if (!exact && item->line > lineno
+ && (*best_item == NULL
+ || item->line < (*best_item)->line))
+ {
+ *best_item = item;
+ *best_symtab = symtab;
+ }
+ }
+ }
+ }
+ return exact;
}
-/* Compute a set of all sals in
- the entire program that correspond to same file
- and line as SAL and return those. If there
- are several sals that belong to the same block,
- only one sal for the block is included in results. */
-
+/* Compute a set of all sals in all program spaces that correspond to
+ same file and line as SAL and return those. If there are several
+ sals that belong to the same block, only one sal for the block is
+ included in results. */
+
struct symtabs_and_lines
expand_line_sal (struct symtab_and_line sal)
{
- struct symtabs_and_lines ret, this_line;
+ struct symtabs_and_lines ret;
int i, j;
struct objfile *objfile;
- struct partial_symtab *psymtab;
- struct symtab *symtab;
int lineno;
int deleted = 0;
struct block **blocks = NULL;
int *filter;
+ struct cleanup *old_chain;
ret.nelts = 0;
ret.sals = NULL;
+ /* Only expand sals that represent file.c:line. */
if (sal.symtab == NULL || sal.line == 0 || sal.pc != 0)
{
ret.sals = xmalloc (sizeof (struct symtab_and_line));
}
else
{
+ struct program_space *pspace;
struct linetable_entry *best_item = 0;
struct symtab *best_symtab = 0;
int exact = 0;
+ char *match_filename;
lineno = sal.line;
+ match_filename = sal.symtab->filename;
- /* We meed to find all symtabs for a file which name
- is described by sal. We cannot just directly
+ /* We need to find all symtabs for a file which name
+ is described by sal. We cannot just directly
iterate over symtabs, since a symtab might not be
- yet created. We also cannot iterate over psymtabs,
+ yet created. We also cannot iterate over psymtabs,
calling PSYMTAB_TO_SYMTAB and working on that symtab,
since PSYMTAB_TO_SYMTAB will return NULL for psymtab
- corresponding to an included file. Therefore, we do
+ corresponding to an included file. Therefore, we do
first pass over psymtabs, reading in those with
the right name. Then, we iterate over symtabs, knowing
that all symtabs we're interested in are loaded. */
- ALL_PSYMTABS (objfile, psymtab)
- {
- if (strcmp (sal.symtab->filename,
- psymtab->filename) == 0)
- PSYMTAB_TO_SYMTAB (psymtab);
- }
-
-
- /* For each symtab, we add all pcs to ret.sals. I'm actually
- not sure what to do if we have exact match in one symtab,
- and non-exact match on another symtab.
- */
- ALL_SYMTABS (objfile, symtab)
+ old_chain = save_current_program_space ();
+ ALL_PSPACES (pspace)
+ {
+ set_current_program_space (pspace);
+ ALL_PSPACE_OBJFILES (pspace, objfile)
{
- if (strcmp (sal.symtab->filename,
- symtab->filename) == 0)
- {
- struct linetable *l;
- int len;
- l = LINETABLE (symtab);
- if (!l)
- continue;
- len = l->nitems;
-
- for (j = 0; j < len; j++)
- {
- struct linetable_entry *item = &(l->item[j]);
-
- if (item->line == lineno)
- {
- exact = 1;
- append_expanded_sal (&ret, symtab, lineno, item->pc);
- }
- else if (!exact && item->line > lineno
- && (best_item == NULL || item->line < best_item->line))
-
- {
- best_item = item;
- best_symtab = symtab;
- }
- }
- }
+ if (objfile->sf)
+ objfile->sf->qf->expand_symtabs_with_filename (objfile,
+ sal.symtab->filename);
}
+ }
+ do_cleanups (old_chain);
+
+ /* Now search the symtab for exact matches and append them. If
+ none is found, append the best_item and all its exact
+ matches. */
+ symtab_to_fullname (sal.symtab);
+ exact = append_exact_match_to_sals (sal.symtab->filename,
+ sal.symtab->fullname, lineno,
+ &ret, &best_item, &best_symtab);
if (!exact && best_item)
- append_expanded_sal (&ret, best_symtab, lineno, best_item->pc);
+ append_exact_match_to_sals (best_symtab->filename,
+ best_symtab->fullname, best_item->line,
+ &ret, &best_item, &best_symtab);
}
/* For optimized code, compiler can scatter one source line accross
in two PC ranges. In this case, we don't want to set breakpoint
on first PC of each range. To filter such cases, we use containing
blocks -- for each PC found above we see if there are other PCs
- that are in the same block. If yes, the other PCs are filtered out. */
+ that are in the same block. If yes, the other PCs are filtered out. */
- filter = xmalloc (ret.nelts * sizeof (int));
- blocks = xmalloc (ret.nelts * sizeof (struct block *));
+ old_chain = save_current_program_space ();
+ filter = alloca (ret.nelts * sizeof (int));
+ blocks = alloca (ret.nelts * sizeof (struct block *));
for (i = 0; i < ret.nelts; ++i)
{
+ set_current_program_space (ret.sals[i].pspace);
+
filter[i] = 1;
- blocks[i] = block_for_pc (ret.sals[i].pc);
+ blocks[i] = block_for_pc_sect (ret.sals[i].pc, ret.sals[i].section);
+
}
+ do_cleanups (old_chain);
for (i = 0; i < ret.nelts; ++i)
if (blocks[i] != NULL)
++deleted;
break;
}
-
+
{
- struct symtab_and_line *final =
+ struct symtab_and_line *final =
xmalloc (sizeof (struct symtab_and_line) * (ret.nelts-deleted));
-
+
for (i = 0, j = 0; i < ret.nelts; ++i)
if (filter[i])
final[j++] = ret.sals[i];
-
+
ret.nelts -= deleted;
xfree (ret.sals);
ret.sals = final;
return ret;
}
+/* Return 1 if the supplied producer string matches the ARM RealView
+ compiler (armcc). */
+
+int
+producer_is_realview (const char *producer)
+{
+ static const char *const arm_idents[] = {
+ "ARM C Compiler, ADS",
+ "Thumb C Compiler, ADS",
+ "ARM C++ Compiler, ADS",
+ "Thumb C++ Compiler, ADS",
+ "ARM/Thumb C/C++ Compiler, RVCT",
+ "ARM C/C++ Compiler, RVCT"
+ };
+ int i;
+
+ if (producer == NULL)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE (arm_idents); i++)
+ if (strncmp (producer, arm_idents[i], strlen (arm_idents[i])) == 0)
+ return 1;
+
+ return 0;
+}
void
_initialize_symtab (void)
add_info ("functions", functions_info,
_("All function names, or those matching REGEXP."));
-
/* FIXME: This command has at least the following problems:
1. It prints builtin types (in a very strange and confusing fashion).
2. It doesn't print right, e.g. with
Valid values are \"ask\", \"all\", \"cancel\", and the default is \"all\"."),
NULL, NULL, &setlist, &showlist);
- /* Initialize the one built-in type that isn't language dependent... */
- builtin_type_error = init_type (TYPE_CODE_ERROR, 0, 0,
- "<unknown type>", (struct objfile *) NULL);
-
observer_attach_executable_changed (symtab_observer_executable_changed);
}
projects / thirdparty / binutils-gdb.git / blobdiff