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authorDaniel Jacobowitz <drow@false.org>2007-04-10 11:58:15 +0000
committerDaniel Jacobowitz <drow@false.org>2007-04-10 11:58:15 +0000
commit1a92f85678f2cf28128ca444e9c8458b771c3b39 (patch)
treefcbca9ab4ded248ea5dbd57f04c3ac4d2334a5b8 /gdb/hpacc-abi.c
parent542c95c200376cb920fafd54d6f3016f0b245e1d (diff)
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* Makefile.in (SFILES): Remove hpacc-abi.c.
(COMMON_OBS): Remove hpacc-abi.o. (ALLDEPFILES): Remove hpread.c and $(HPREAD_SOURCE). (hpacc-abi.o, hpread.o): Delete rules. * somread.c: Delete extern declarations from hpread.c. (som_symfile_read): Do not call do_pxdb or hpread_build_psymtabs. (som_symfile_finish): Do not call hpread_symfile_finish. (som_symfile_init): Do not call hpread_symfile_init. * config/pa/hppa64.mt (TDEPFILES): Remove hpread.o. * config/pa/hppahpux.mt (TDEPFILES): Likewise. * hpacc-abi.c, hpread.c: Deleted. * gdbint.texinfo (SOM): Correct location of the SOM reader.
Diffstat (limited to 'gdb/hpacc-abi.c')
-rw-r--r--gdb/hpacc-abi.c326
1 files changed, 0 insertions, 326 deletions
diff --git a/gdb/hpacc-abi.c b/gdb/hpacc-abi.c
deleted file mode 100644
index 895f1bb..0000000
--- a/gdb/hpacc-abi.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/* Abstraction of HP aCC ABI.
-
- Contributed by Daniel Berlin <dberlin@redhat.com>
- Most of the real code is from HP, i've just fiddled it to fit in
- the C++ ABI abstraction framework.
-
- Copyright (C) 2001, 2005, 2007 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or
- modify
- it under the terms of the GNU General Public License as published
- by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
-
-#include "defs.h"
-#include "value.h"
-#include "gdb_regex.h"
-#include "gdb_string.h"
-#include "gdbtypes.h"
-#include "gdbcore.h"
-#include "cp-abi.h"
-#include "gnu-v2-abi.h"
-
-struct cp_abi_ops hpacc_abi_ops;
-
-/* It appears the is_*_name stuff is never used when we try the hpACC
- * ABI. As such, I have no clue what the real answers are. Shouldn't
- * have any more effect than it does now. */
-static regex_t constructor_pattern;
-static regex_t destructor_pattern;
-static regex_t operator_pattern;
-
-static enum dtor_kinds
-hpacc_is_destructor_name (const char *name)
-{
- if (regexec (&destructor_pattern, name, 0, 0, 0) == 0)
- return complete_object_dtor;
- else
- return 0;
-}
-
-static enum ctor_kinds
-hpacc_is_constructor_name (const char *name)
-{
- if (regexec (&constructor_pattern, name, 0, 0, 0) == 0)
- return complete_object_ctor;
- else
- return 0;
-}
-
-static int
-hpacc_is_operator_name (const char *name)
-{
- return regexec (&operator_pattern, name, 0, 0, 0) == 0;
-}
-
-static int
-hpacc_is_vtable_name (const char *name)
-{
- return strcmp (name,
- "This will never match anything, please fill it in") == 0;
-}
-
-/* Return a virtual function as a value.
- ARG1 is the object which provides the virtual function
- table pointer. *ARG1P is side-effected in calling this function.
- F is the list of member functions which contains the desired virtual
- function.
- J is an index into F which provides the desired virtual function.
-
- TYPE is the type in which F is located. */
-static struct value *
-hpacc_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
- struct type * type, int offset)
-{
- struct value *arg1 = *arg1p;
- struct type *type1 = check_typedef (value_type (arg1));
-
- /* Deal with HP/Taligent runtime model for virtual functions */
- struct value *vp;
- struct value *argp; /* arg1 cast to base */
- CORE_ADDR coreptr; /* pointer to target address */
- int class_index; /* which class segment pointer to use */
- struct type *ftype = TYPE_FN_FIELD_TYPE (f, j); /* method type */
-
- argp = value_cast (type, *arg1p);
-
- if (VALUE_ADDRESS (argp) == 0)
- error (_("Address of object is null; object may not have been created."));
-
- /* pai: FIXME -- 32x64 possible problem? */
- /* First word (4 bytes) in object layout is the vtable pointer */
- coreptr = *(CORE_ADDR *) (value_contents (argp)); /* pai: (temp) */
- /* + offset + value_embedded_offset (argp)); */
-
- if (!coreptr)
- error
- ("Virtual table pointer is null for object; object may not have been created.");
-
- /* pai/1997-05-09
- * FIXME: The code here currently handles only
- * the non-RRBC case of the Taligent/HP runtime spec; when RRBC
- * is introduced, the condition for the "if" below will have to
- * be changed to be a test for the RRBC case. */
-
- if (1)
- {
- /* Non-RRBC case; the virtual function pointers are stored at fixed
- * offsets in the virtual table. */
-
- /* Retrieve the offset in the virtual table from the debug
- * info. The offset of the vfunc's entry is in words from
- * the beginning of the vtable; but first we have to adjust
- * by HP_ACC_VFUNC_START to account for other entries */
-
- /* pai: FIXME: 32x64 problem here, a word may be 8 bytes in
- * which case the multiplier should be 8 and values should be long */
- vp = value_at (builtin_type_int,
- coreptr + 4 * (TYPE_FN_FIELD_VOFFSET (f, j) +
- HP_ACC_VFUNC_START));
-
- coreptr = *(CORE_ADDR *) (value_contents (vp));
- /* coreptr now contains the address of the virtual function */
- /* (Actually, it contains the pointer to the plabel for the function. */
- }
- else
- {
- /* RRBC case; the virtual function pointers are found by double
- * indirection through the class segment tables. */
-
- /* Choose class segment depending on type we were passed */
- class_index = class_index_in_primary_list (type);
-
- /* Find class segment pointer. These are in the vtable slots after
- * some other entries, so adjust by HP_ACC_VFUNC_START for that. */
- /* pai: FIXME 32x64 problem here, if words are 8 bytes long
- * the multiplier below has to be 8 and value should be long. */
- vp = value_at (builtin_type_int,
- coreptr + 4 * (HP_ACC_VFUNC_START + class_index));
- /* Indirect once more, offset by function index */
- /* pai: FIXME 32x64 problem here, again multiplier could be 8 and value long */
- coreptr =
- *(CORE_ADDR *) (value_contents (vp) +
- 4 * TYPE_FN_FIELD_VOFFSET (f, j));
- vp = value_at (builtin_type_int, coreptr);
- coreptr = *(CORE_ADDR *) (value_contents (vp));
-
- /* coreptr now contains the address of the virtual function */
- /* (Actually, it contains the pointer to the plabel for the function.) */
-
- }
-
- if (!coreptr)
- error (_("Address of virtual function is null; error in virtual table?"));
-
- /* Wrap this addr in a value and return pointer */
- vp = allocate_value (ftype);
- deprecated_set_value_type (vp, ftype);
- VALUE_ADDRESS (vp) = coreptr;
-
- /* pai: (temp) do we need the value_ind stuff in value_fn_field? */
- return vp;
-}
-
-
-static struct type *
-hpacc_value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
-{
- struct type *known_type;
- struct type *rtti_type;
- CORE_ADDR coreptr;
- struct value *vp;
- int using_enclosing = 0;
- long top_offset = 0;
- char rtti_type_name[256];
-
- if (full)
- *full = 0;
- if (top)
- *top = -1;
- if (using_enc)
- *using_enc = 0;
-
- /* Get declared type */
- known_type = value_type (v);
- CHECK_TYPEDEF (known_type);
- /* RTTI works only or class objects */
- if (TYPE_CODE (known_type) != TYPE_CODE_CLASS)
- return NULL;
-
- /* If neither the declared type nor the enclosing type of the
- * value structure has a HP ANSI C++ style virtual table,
- * we can't do anything. */
- if (!TYPE_HAS_VTABLE (known_type))
- {
- known_type = value_enclosing_type (v);
- CHECK_TYPEDEF (known_type);
- if ((TYPE_CODE (known_type) != TYPE_CODE_CLASS) ||
- !TYPE_HAS_VTABLE (known_type))
- return NULL; /* No RTTI, or not HP-compiled types */
- CHECK_TYPEDEF (known_type);
- using_enclosing = 1;
- }
-
- if (using_enclosing && using_enc)
- *using_enc = 1;
-
- /* First get the virtual table address */
- coreptr = *(CORE_ADDR *) ((value_contents_all (v))
- + value_offset (v)
- + (using_enclosing
- ? 0
- : value_embedded_offset (v)));
- if (coreptr == 0)
- /* return silently -- maybe called on gdb-generated value */
- return NULL;
-
- /* Fetch the top offset of the object */
- /* FIXME possible 32x64 problem with pointer size & arithmetic */
- vp = value_at (builtin_type_int,
- coreptr + 4 * HP_ACC_TOP_OFFSET_OFFSET);
- top_offset = value_as_long (vp);
- if (top)
- *top = top_offset;
-
- /* Fetch the typeinfo pointer */
- /* FIXME possible 32x64 problem with pointer size & arithmetic */
- vp = value_at (builtin_type_int, coreptr + 4 * HP_ACC_TYPEINFO_OFFSET);
- /* Indirect through the typeinfo pointer and retrieve the pointer
- * to the string name */
- coreptr = *(CORE_ADDR *) (value_contents (vp));
- if (!coreptr)
- error (_("Retrieved null typeinfo pointer in trying to determine "
- "run-time type"));
- /* 4 -> offset of name field */
- vp = value_at (builtin_type_int, coreptr + 4);
- /* FIXME possible 32x64 problem */
-
- coreptr = *(CORE_ADDR *) (value_contents (vp));
-
- read_memory_string (coreptr, rtti_type_name, 256);
-
- if (strlen (rtti_type_name) == 0)
- error (_("Retrieved null type name from typeinfo"));
-
- /* search for type */
- rtti_type = lookup_typename (rtti_type_name, (struct block *) 0, 1);
-
- if (!rtti_type)
- error (_("Could not find run-time type: invalid type name %s in typeinfo??"),
- rtti_type_name);
- CHECK_TYPEDEF (rtti_type);
-#if 0
- printf ("RTTI type name %s, tag %s, full? %d\n", TYPE_NAME (rtti_type),
- TYPE_TAG_NAME (rtti_type), full ? *full : -1);
-#endif
- /* Check whether we have the entire object */
- if (full /* Non-null pointer passed */
- &&
- /* Either we checked on the whole object in hand and found the
- top offset to be zero */
- (((top_offset == 0) &&
- using_enclosing &&
- TYPE_LENGTH (known_type) == TYPE_LENGTH (rtti_type))
- ||
- /* Or we checked on the embedded object and top offset was the
- same as the embedded offset */
- ((top_offset == value_embedded_offset (v)) &&
- !using_enclosing &&
- TYPE_LENGTH (value_enclosing_type (v)) == TYPE_LENGTH (rtti_type))))
-
- *full = 1;
-
- return rtti_type;
-}
-
-static void
-init_hpacc_ops (void)
-{
- hpacc_abi_ops.shortname = "hpaCC";
- hpacc_abi_ops.longname = "HP aCC ABI";
- hpacc_abi_ops.doc = "HP aCC ABI";
- hpacc_abi_ops.is_destructor_name = hpacc_is_destructor_name;
- hpacc_abi_ops.is_constructor_name = hpacc_is_constructor_name;
- hpacc_abi_ops.is_vtable_name = hpacc_is_vtable_name;
- hpacc_abi_ops.is_operator_name = hpacc_is_operator_name;
- hpacc_abi_ops.virtual_fn_field = hpacc_virtual_fn_field;
- hpacc_abi_ops.rtti_type = hpacc_value_rtti_type;
- /* It seems that this function is specific to GNU G++ < 3.0.
- However, it is called for data members even in the HP
- case (although not for member functions).
- FIXME: Is that correct? */
- hpacc_abi_ops.baseclass_offset = gnuv2_baseclass_offset;
-}
-
-extern initialize_file_ftype _initialize_hpacc_abi; /* -Wmissing-prototypes */
-
-void
-_initialize_hpacc_abi (void)
-{
- init_hpacc_ops ();
-
- regcomp (&constructor_pattern,
- "^This will never match anything, please fill it in$", REG_NOSUB);
-
- regcomp (&destructor_pattern,
- "^This will never match anything, please fill it in$", REG_NOSUB);
-
- regcomp (&operator_pattern,
- "^This will never match anything, please fill it in$", REG_NOSUB);
-
- register_cp_abi (&hpacc_abi_ops);
-}