#include "defs.h"
#include <ctype.h>
-#include "gdb_string.h"
+#include <string.h>
#include "symtab.h"
#include "bfd.h"
#include "filenames.h"
#include "target.h"
#include "cp-support.h"
#include "language.h"
+#include "cli/cli-utils.h"
/* Accumulate the minimal symbols for each objfile in bunches of BUNCH_SIZE.
At the end, copy them all into one newly allocated location on an objfile's
while (*string && *string != '(')
{
- while (isspace (*string))
- ++string;
+ string = skip_spaces_const (string);
if (*string && *string != '(')
{
hash = SYMBOL_HASH_NEXT (hash, *string);
}
}
-/* See minsyms.h. */
-
-struct objfile *
-msymbol_objfile (struct minimal_symbol *sym)
-{
- struct objfile *objf;
- struct minimal_symbol *tsym;
-
- unsigned int hash
- = msymbol_hash (SYMBOL_LINKAGE_NAME (sym)) % MINIMAL_SYMBOL_HASH_SIZE;
-
- for (objf = object_files; objf; objf = objf->next)
- for (tsym = objf->msymbol_hash[hash]; tsym; tsym = tsym->hash_next)
- if (tsym == sym)
- return objf;
-
- /* We should always be able to find the objfile ... */
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
-}
-
-
/* Look through all the current minimal symbol tables and find the
first minimal symbol that matches NAME. If OBJF is non-NULL, limit
the search to that objfile. If SFILE is non-NULL, the only file-scope
Obviously, there must be distinct mangled names for each of these,
but the demangled names are all the same: S::S or S::~S. */
-struct minimal_symbol *
-lookup_minimal_symbol (const char *name, const char *sfile,
- struct objfile *objf)
+static struct bound_minimal_symbol
+lookup_minimal_symbol_internal (const char *name, const char *sfile,
+ struct objfile *objf)
{
struct objfile *objfile;
- struct minimal_symbol *msymbol;
- struct minimal_symbol *found_symbol = NULL;
- struct minimal_symbol *found_file_symbol = NULL;
- struct minimal_symbol *trampoline_symbol = NULL;
+ struct bound_minimal_symbol found_symbol = { NULL, NULL };
+ struct bound_minimal_symbol found_file_symbol = { NULL, NULL };
+ struct bound_minimal_symbol trampoline_symbol = { NULL, NULL };
unsigned int hash = msymbol_hash (name) % MINIMAL_SYMBOL_HASH_SIZE;
unsigned int dem_hash = msymbol_hash_iw (name) % MINIMAL_SYMBOL_HASH_SIZE;
}
for (objfile = object_files;
- objfile != NULL && found_symbol == NULL;
+ objfile != NULL && found_symbol.minsym == NULL;
objfile = objfile->next)
{
+ struct minimal_symbol *msymbol;
+
if (objf == NULL || objf == objfile
|| objf == objfile->separate_debug_objfile_backlink)
{
and the second over the demangled hash table. */
int pass;
- for (pass = 1; pass <= 2 && found_symbol == NULL; pass++)
+ for (pass = 1; pass <= 2 && found_symbol.minsym == NULL; pass++)
{
/* Select hash list according to pass. */
if (pass == 1)
else
msymbol = objfile->msymbol_demangled_hash[dem_hash];
- while (msymbol != NULL && found_symbol == NULL)
+ while (msymbol != NULL && found_symbol.minsym == NULL)
{
int match;
case mst_file_bss:
if (sfile == NULL
|| filename_cmp (msymbol->filename, sfile) == 0)
- found_file_symbol = msymbol;
+ {
+ found_file_symbol.minsym = msymbol;
+ found_file_symbol.objfile = objfile;
+ }
break;
case mst_solib_trampoline:
keep looking for the *real* symbol. If the
actual symbol is not found, then we'll use the
trampoline entry. */
- if (trampoline_symbol == NULL)
- trampoline_symbol = msymbol;
+ if (trampoline_symbol.minsym == NULL)
+ {
+ trampoline_symbol.minsym = msymbol;
+ trampoline_symbol.objfile = objfile;
+ }
break;
case mst_unknown:
default:
- found_symbol = msymbol;
+ found_symbol.minsym = msymbol;
+ found_symbol.objfile = objfile;
break;
}
}
xfree ((void *) modified_name);
/* External symbols are best. */
- if (found_symbol)
+ if (found_symbol.minsym != NULL)
return found_symbol;
/* File-local symbols are next best. */
- if (found_file_symbol)
+ if (found_file_symbol.minsym != NULL)
return found_file_symbol;
/* Symbols for shared library trampolines are next best. */
- if (trampoline_symbol)
- return trampoline_symbol;
+ return trampoline_symbol;
+}
- return NULL;
+/* See minsyms.h. */
+
+struct minimal_symbol *
+lookup_minimal_symbol (const char *name, const char *sfile,
+ struct objfile *objf)
+{
+ struct bound_minimal_symbol bms = lookup_minimal_symbol_internal (name,
+ sfile,
+ objf);
+
+ return bms.minsym;
+}
+
+/* See minsyms.h. */
+
+struct bound_minimal_symbol
+lookup_bound_minimal_symbol (const char *name)
+{
+ return lookup_minimal_symbol_internal (name, NULL, NULL);
}
/* See minsyms.h. */
there are text and trampoline symbols at the same address.
Otherwise prefer mst_text symbols. */
-static struct minimal_symbol *
+static struct bound_minimal_symbol
lookup_minimal_symbol_by_pc_section_1 (CORE_ADDR pc,
struct obj_section *section,
int want_trampoline)
struct objfile *objfile;
struct minimal_symbol *msymbol;
struct minimal_symbol *best_symbol = NULL;
+ struct objfile *best_objfile = NULL;
+ struct bound_minimal_symbol result;
enum minimal_symbol_type want_type, other_type;
want_type = want_trampoline ? mst_solib_trampoline : mst_text;
/* Some types of debug info, such as COFF,
don't fill the bfd_section member, so don't
throw away symbols on those platforms. */
- && SYMBOL_OBJ_SECTION (&msymbol[hi]) != NULL
+ && SYMBOL_OBJ_SECTION (objfile, &msymbol[hi]) != NULL
&& (!matching_obj_sections
- (SYMBOL_OBJ_SECTION (&msymbol[hi]), section)))
+ (SYMBOL_OBJ_SECTION (objfile, &msymbol[hi]),
+ section)))
{
hi--;
continue;
== MSYMBOL_SIZE (&msymbol[hi - 1]))
&& (SYMBOL_VALUE_ADDRESS (&msymbol[hi])
== SYMBOL_VALUE_ADDRESS (&msymbol[hi - 1]))
- && (SYMBOL_OBJ_SECTION (&msymbol[hi])
- == SYMBOL_OBJ_SECTION (&msymbol[hi - 1])))
+ && (SYMBOL_OBJ_SECTION (objfile, &msymbol[hi])
+ == SYMBOL_OBJ_SECTION (objfile, &msymbol[hi - 1])))
{
hi--;
continue;
SYMBOL_VALUE_ADDRESS (&msymbol[hi]))))
{
best_symbol = &msymbol[hi];
+ best_objfile = objfile;
}
}
}
}
- return (best_symbol);
+
+ result.minsym = best_symbol;
+ result.objfile = best_objfile;
+ return result;
}
-struct minimal_symbol *
+struct bound_minimal_symbol
lookup_minimal_symbol_by_pc_section (CORE_ADDR pc, struct obj_section *section)
{
if (section == NULL)
debugging) always returns NULL making the call somewhat useless. */
section = find_pc_section (pc);
if (section == NULL)
- return NULL;
+ {
+ struct bound_minimal_symbol result;
+
+ memset (&result, 0, sizeof (result));
+ return result;
+ }
}
return lookup_minimal_symbol_by_pc_section_1 (pc, section, 0);
}
/* See minsyms.h. */
-struct minimal_symbol *
+struct bound_minimal_symbol
lookup_minimal_symbol_by_pc (CORE_ADDR pc)
{
- return lookup_minimal_symbol_by_pc_section (pc, NULL);
+ struct obj_section *section = find_pc_section (pc);
+
+ if (section == NULL)
+ {
+ struct bound_minimal_symbol result;
+
+ memset (&result, 0, sizeof (result));
+ return result;
+ }
+ return lookup_minimal_symbol_by_pc_section_1 (pc, section, 0);
}
/* Return non-zero iff PC is in an STT_GNU_IFUNC function resolver. */
int
in_gnu_ifunc_stub (CORE_ADDR pc)
{
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc);
+ struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc);
- return msymbol && MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc;
+ return msymbol.minsym && MSYMBOL_TYPE (msymbol.minsym) == mst_text_gnu_ifunc;
}
/* See elf_gnu_ifunc_resolve_addr for its real implementation. */
/* See minsyms.h. */
-struct minimal_symbol *
-lookup_minimal_symbol_and_objfile (const char *name,
- struct objfile **objfile_p)
+struct bound_minimal_symbol
+lookup_minimal_symbol_and_objfile (const char *name)
{
+ struct bound_minimal_symbol result;
struct objfile *objfile;
unsigned int hash = msymbol_hash (name) % MINIMAL_SYMBOL_HASH_SIZE;
{
if (strcmp (SYMBOL_LINKAGE_NAME (msym), name) == 0)
{
- *objfile_p = objfile;
- return msym;
+ result.minsym = msym;
+ result.objfile = objfile;
+ return result;
}
}
}
- return 0;
+ memset (&result, 0, sizeof (result));
+ return result;
}
\f
}
prim_record_minimal_symbol_and_info (name, address, ms_type,
- section, NULL, objfile);
+ section, objfile);
}
/* See minsyms.h. */
CORE_ADDR address,
enum minimal_symbol_type ms_type,
int section,
- asection *bfd_section,
struct objfile *objfile)
{
struct obj_section *obj_section;
msym_bunch = new;
}
msymbol = &msym_bunch->contents[msym_bunch_index];
- SYMBOL_SET_LANGUAGE (msymbol, language_auto);
+ SYMBOL_SET_LANGUAGE (msymbol, language_auto, &objfile->objfile_obstack);
SYMBOL_SET_NAMES (msymbol, name, name_len, copy_name, objfile);
SYMBOL_VALUE_ADDRESS (msymbol) = address;
SYMBOL_SECTION (msymbol) = section;
- SYMBOL_OBJ_SECTION (msymbol) = NULL;
-
- /* Find obj_section corresponding to bfd_section. */
- if (bfd_section)
- ALL_OBJFILE_OSECTIONS (objfile, obj_section)
- {
- if (obj_section->the_bfd_section == bfd_section)
- {
- SYMBOL_OBJ_SECTION (msymbol) = obj_section;
- break;
- }
- }
MSYMBOL_TYPE (msymbol) = ms_type;
MSYMBOL_TARGET_FLAG_1 (msymbol) = 0;
prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
enum minimal_symbol_type ms_type,
int section,
- asection *bfd_section,
struct objfile *objfile)
{
return prim_record_minimal_symbol_full (name, strlen (name), 1,
- address, ms_type, section,
- bfd_section, objfile);
+ address, ms_type,
+ section, objfile);
}
/* Compare two minimal symbols by address and return a signed result based
{
fprintf_unfiltered (gdb_stdlog,
"Installing %d minimal symbols of objfile %s.\n",
- msym_count, objfile->name);
+ msym_count, objfile_name (objfile));
}
/* Allocate enough space in the obstack, into which we will gather the
objfile->minimal_symbol_count = mcount;
objfile->msymbols = msymbols;
- /* Try to guess the appropriate C++ ABI by looking at the names
- of the minimal symbols in the table. */
- {
- int i;
-
- for (i = 0; i < mcount; i++)
- {
- /* If a symbol's name starts with _Z and was successfully
- demangled, then we can assume we've found a GNU v3 symbol.
- For now we set the C++ ABI globally; if the user is
- mixing ABIs then the user will need to "set cp-abi"
- manually. */
- const char *name = SYMBOL_LINKAGE_NAME (&objfile->msymbols[i]);
-
- if (name[0] == '_' && name[1] == 'Z'
- && SYMBOL_DEMANGLED_NAME (&objfile->msymbols[i]) != NULL)
- {
- set_cp_abi_as_auto_default ("gnu-v3");
- break;
- }
- }
- }
-
/* Now build the hash tables; we can't do this incrementally
at an earlier point since we weren't finished with the obstack
yet. (And if the msymbol obstack gets moved, all the internal
memset (m, 0, sizeof (*m));
/* Don't rely on these enumeration values being 0's. */
MSYMBOL_TYPE (m) = mst_unknown;
- SYMBOL_SET_LANGUAGE (m, language_unknown);
+ SYMBOL_SET_LANGUAGE (m, language_unknown, &objfile->objfile_obstack);
}
}
lookup_solib_trampoline_symbol_by_pc (CORE_ADDR pc)
{
struct obj_section *section = find_pc_section (pc);
- struct minimal_symbol *msymbol;
+ struct bound_minimal_symbol msymbol;
if (section == NULL)
return NULL;
msymbol = lookup_minimal_symbol_by_pc_section_1 (pc, section, 1);
- if (msymbol != NULL && MSYMBOL_TYPE (msymbol) == mst_solib_trampoline)
- return msymbol;
+ if (msymbol.minsym != NULL
+ && MSYMBOL_TYPE (msymbol.minsym) == mst_solib_trampoline)
+ return msymbol.minsym;
return NULL;
}
projects / deliverable / binutils-gdb.git / blobdiff