/* Support routines for building symbol tables in GDB's internal format.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "bfd.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "symtab.h"
-#include "symfile.h" /* Needed for "struct complaint" */
+#include "symfile.h"
#include "objfiles.h"
#include "gdbtypes.h"
+#include "gdb_assert.h"
#include "complaints.h"
#include "gdb_string.h"
#include "expression.h" /* For "enum exp_opcode" used by... */
#include "bcache.h"
#include "filenames.h" /* For DOSish file names */
#include "macrotab.h"
+#include "demangle.h" /* Needed by SYMBOL_INIT_DEMANGLED_NAME. */
+#include "block.h"
+#include "cp-support.h"
+#include "dictionary.h"
+
/* Ask buildsym.h to define the vars it normally declares `extern'. */
#define EXTERN
/**/
#define INITIAL_LINE_VECTOR_LENGTH 1000
\f
-/* Complaints about the symbols we have encountered. */
-
-struct complaint block_end_complaint =
-{"block end address less than block start address in %s (patched it)", 0, 0};
-
-struct complaint anon_block_end_complaint =
-{"block end address 0x%lx less than block start address 0x%lx (patched it)", 0, 0};
-
-struct complaint innerblock_complaint =
-{"inner block not inside outer block in %s", 0, 0};
-
-struct complaint innerblock_anon_complaint =
-{"inner block (0x%lx-0x%lx) not inside outer block (0x%lx-0x%lx)", 0, 0};
-
-struct complaint blockvector_complaint =
-{"block at %s out of order", 0, 0};
-\f
/* maintain the lists of symbols and blocks */
/* Add a pending list to free_pendings. */
}
}
-/* Add a symbol to one of the lists of symbols. */
+/* Add a symbol to one of the lists of symbols. While we're at it, if
+ we're in the C++ case and don't have full namespace debugging info,
+ check to see if it references an anonymous namespace; if so, add an
+ appropriate using directive. */
void
add_symbol_to_list (struct symbol *symbol, struct pending **listhead)
}
(*listhead)->symbol[(*listhead)->nsyms++] = symbol;
+
+ /* Check to see if we might need to look for a mention of anonymous
+ namespaces. */
+
+ if (SYMBOL_LANGUAGE (symbol) == language_cplus)
+ cp_scan_for_anonymous_namespaces (symbol);
}
/* Find a symbol named NAME on a LIST. NAME need not be
{
for (j = list->nsyms; --j >= 0;)
{
- pp = SYMBOL_NAME (list->symbol[j]);
+ pp = DEPRECATED_SYMBOL_NAME (list->symbol[j]);
if (*pp == *name && strncmp (pp, name, length) == 0 &&
pp[length] == '\0')
{
/* ARGSUSED */
void
-really_free_pendings (PTR dummy)
+really_free_pendings (void *dummy)
{
struct pending *next, *next1;
register struct block *block;
register struct pending_block *pblock;
struct pending_block *opblock;
- register int i;
- register int j;
- /* Count the length of the list of symbols. */
+ /* Initialize the block's dictionary. */
- for (next = *listhead, i = 0;
- next;
- i += next->nsyms, next = next->next)
+ if (symbol)
{
- /* EMPTY */ ;
+ block = (struct block *)
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
+ BLOCK_DICT (block) = dict_create_linear (&objfile->symbol_obstack,
+ *listhead);
}
-
- block = (struct block *) obstack_alloc (&objfile->symbol_obstack,
- (sizeof (struct block) + ((i - 1) * sizeof (struct symbol *))));
-
- /* Copy the symbols into the block. */
-
- BLOCK_NSYMS (block) = i;
- for (next = *listhead; next; next = next->next)
+ else
{
- for (j = next->nsyms - 1; j >= 0; j--)
- {
- BLOCK_SYM (block, --i) = next->symbol[j];
- }
+ block = (struct block *)
+ obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
+ BLOCK_DICT (block) = dict_create_hashed (&objfile->symbol_obstack,
+ *listhead);
}
BLOCK_START (block) = start;
BLOCK_END (block) = end;
/* Superblock filled in when containing block is made */
BLOCK_SUPERBLOCK (block) = NULL;
+ BLOCK_NAMESPACE (block) = NULL;
BLOCK_GCC_COMPILED (block) = processing_gcc_compilation;
if (symbol)
{
struct type *ftype = SYMBOL_TYPE (symbol);
+ struct dict_iterator iter;
SYMBOL_BLOCK_VALUE (symbol) = block;
BLOCK_FUNCTION (block) = symbol;
parameter symbols. */
int nparams = 0, iparams;
struct symbol *sym;
- ALL_BLOCK_SYMBOLS (block, i, sym)
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
{
switch (SYMBOL_CLASS (sym))
{
case LOC_REGPARM_ADDR:
case LOC_BASEREG_ARG:
case LOC_LOCAL_ARG:
+ case LOC_COMPUTED_ARG:
nparams++;
break;
case LOC_UNDEF:
case LOC_BASEREG:
case LOC_UNRESOLVED:
case LOC_OPTIMIZED_OUT:
+ case LOC_COMPUTED:
default:
break;
}
TYPE_FIELDS (ftype) = (struct field *)
TYPE_ALLOC (ftype, nparams * sizeof (struct field));
- for (i = iparams = 0; iparams < nparams; i++)
+ iparams = 0;
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- sym = BLOCK_SYM (block, i);
+ if (iparams == nparams)
+ break;
+
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
case LOC_REGPARM_ADDR:
case LOC_BASEREG_ARG:
case LOC_LOCAL_ARG:
+ case LOC_COMPUTED_ARG:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
case LOC_BASEREG:
case LOC_UNRESOLVED:
case LOC_OPTIMIZED_OUT:
+ case LOC_COMPUTED:
default:
break;
}
}
}
}
+
+ /* If we're in the C++ case, set the block's scope. */
+ if (SYMBOL_LANGUAGE (symbol) == language_cplus)
+ {
+ cp_set_block_scope (symbol, block, &objfile->symbol_obstack);
+ }
}
else
{
{
if (symbol)
{
- complain (&block_end_complaint, SYMBOL_SOURCE_NAME (symbol));
+ complaint (&symfile_complaints,
+ "block end address less than block start address in %s (patched it)",
+ SYMBOL_PRINT_NAME (symbol));
}
else
{
- complain (&anon_block_end_complaint, BLOCK_END (block), BLOCK_START (block));
+ complaint (&symfile_complaints,
+ "block end address 0x%s less than block start address 0x%s (patched it)",
+ paddr_nz (BLOCK_END (block)), paddr_nz (BLOCK_START (block)));
}
/* Better than nothing */
BLOCK_END (block) = BLOCK_START (block);
start of this scope that don't have superblocks yet. */
opblock = NULL;
- for (pblock = pending_blocks; pblock != old_blocks; pblock = pblock->next)
+ for (pblock = pending_blocks;
+ pblock && pblock != old_blocks;
+ pblock = pblock->next)
{
if (BLOCK_SUPERBLOCK (pblock->block) == NULL)
{
{
if (symbol)
{
- complain (&innerblock_complaint,
- SYMBOL_SOURCE_NAME (symbol));
+ complaint (&symfile_complaints,
+ "inner block not inside outer block in %s",
+ SYMBOL_PRINT_NAME (symbol));
}
else
{
- complain (&innerblock_anon_complaint, BLOCK_START (pblock->block),
- BLOCK_END (pblock->block), BLOCK_START (block),
- BLOCK_END (block));
+ complaint (&symfile_complaints,
+ "inner block (0x%s-0x%s) not inside outer block (0x%s-0x%s)",
+ paddr_nz (BLOCK_START (pblock->block)),
+ paddr_nz (BLOCK_END (pblock->block)),
+ paddr_nz (BLOCK_START (block)),
+ paddr_nz (BLOCK_END (block)));
}
if (BLOCK_START (pblock->block) < BLOCK_START (block))
BLOCK_START (pblock->block) = BLOCK_START (block);
record_pending_block (objfile, block, opblock);
}
+
/* Record BLOCK on the list of all blocks in the file. Put it after
OPBLOCK, or at the beginning if opblock is NULL. This puts the
block in the list after all its subblocks.
}
}
-/* Note that this is only used in this file and in dstread.c, which
- should be fixed to not need direct access to this function. When
- that is done, it can be made static again. */
-
-struct blockvector *
+static struct blockvector *
make_blockvector (struct objfile *objfile)
{
register struct pending_block *next;
CORE_ADDR start
= BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i));
- complain (&blockvector_complaint,
- local_hex_string ((LONGEST) start));
+ complaint (&symfile_complaints, "block at %s out of order",
+ local_hex_string ((LONGEST) start));
}
}
}
later via a call to record_debugformat. */
subfile->debugformat = NULL;
- /* cfront output is a C program, so in most ways it looks like a C
- program. But to demangle we need to set the language to C++. We
- can distinguish cfront code by the fact that it has #line
- directives which specify a file name ending in .C.
-
- So if the filename of this subfile ends in .C, then change the
+#if 0 /* OBSOLETE CFront */
+// OBSOLETE /* cfront output is a C program, so in most ways it looks like a C
+// OBSOLETE program. But to demangle we need to set the language to C++. We
+// OBSOLETE can distinguish cfront code by the fact that it has #line
+// OBSOLETE directives which specify a file name ending in .C. */
+#endif /* OBSOLETE CFront */
+
+ /* If the filename of this subfile ends in .C, then change the
language of any pending subfiles from C to C++. We also accept
- any other C++ suffixes accepted by deduce_language_from_filename
- (in particular, some people use .cxx with cfront). */
+ any other C++ suffixes accepted by deduce_language_from_filename. */
+ /* OBSOLETE (in particular, some people use .cxx with cfront). */
/* Likewise for f2c. */
if (subfile->name)
}
context_stack_depth = 0;
+ /* Set up support for C++ namespace support, in case we need it. */
+
+ cp_initialize_namespace ();
+
/* Initialize the list of sub source files with one entry for this
file (the top-level source file). */
same. FIXME: Find out why it is happening. This is not
believed to happen in most cases (even for coffread.c);
it used to be an abort(). */
- static struct complaint msg =
- {"Context stack not empty in end_symtab", 0, 0};
- complain (&msg);
+ complaint (&symfile_complaints,
+ "Context stack not empty in end_symtab");
context_stack_depth = 0;
}
}
finish_block (0, &global_symbols, 0, last_source_start_addr, end_addr,
objfile);
blockvector = make_blockvector (objfile);
+ cp_finalize_namespace (BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK),
+ &objfile->symbol_obstack);
}
#ifndef PROCESS_LINENUMBER_HOOK
symtab->dirname = NULL;
}
symtab->free_code = free_linetable;
- symtab->free_ptr = NULL;
+ symtab->free_func = NULL;
/* Use whatever language we have been using for this
subfile, not the one that was deduced in allocate_symtab
return new;
}
+
+/* Pop a context block. Returns the address of the context block just
+ popped. */
+
+struct context_stack *
+pop_context (void)
+{
+ gdb_assert (context_stack_depth > 0);
+ return (&context_stack[--context_stack_depth]);
+}
+
\f
/* Compute a small integer hash code for the given name. */
projects / deliverable / binutils-gdb.git / blobdiff