/* Print and select stack frames for GDB, the GNU debugger.
- Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "value.h"
args.frame = frame;
args.print_level = print_level;
args.print_what = print_what;
+ /* For mi, alway print location and address. */
+ args.print_what = ui_out_is_mi_like_p (uiout) ? LOC_AND_ADDRESS : print_what;
args.print_args = 1;
catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
struct symbol *nsym;
nsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (sym),
b, VAR_DOMAIN, NULL, NULL);
+ gdb_assert (nsym != NULL);
if (SYMBOL_CLASS (nsym) == LOC_REGISTER)
{
/* There is a LOC_ARG/LOC_REGISTER pair. This means
long start;
if (highest_offset == -1)
- start = FRAME_ARGS_SKIP;
+ start = gdbarch_frame_args_skip (current_gdbarch);
else
start = highest_offset;
struct print_args_args *p = args;
int numargs;
- if (FRAME_NUM_ARGS_P ())
+ if (gdbarch_frame_num_args_p (current_gdbarch))
{
- numargs = FRAME_NUM_ARGS (p->frame);
+ numargs = gdbarch_frame_num_args (current_gdbarch, p->frame);
gdb_assert (numargs >= 0);
}
else
the symbol table. That'll have parameters, but
that's preferable to displaying a mangled name. */
funname = SYMBOL_PRINT_NAME (func);
+ else
+ xfree (demangled);
}
}
}
/* Name of the value returned by get_frame_pc(). Per comments, "pc"
is not a good name. */
- if (PC_REGNUM >= 0)
- /* OK, this is weird. The PC_REGNUM hardware register's value can
+ if (gdbarch_pc_regnum (current_gdbarch) >= 0)
+ /* OK, this is weird. The gdbarch_pc_regnum hardware register's value can
easily not match that of the internal value returned by
get_frame_pc(). */
- pc_regname = REGISTER_NAME (PC_REGNUM);
+ pc_regname = gdbarch_register_name (current_gdbarch,
+ gdbarch_pc_regnum (current_gdbarch));
else
- /* But then, this is weird to. Even without PC_REGNUM, an
+ /* But then, this is weird to. Even without gdbarch_pc_regnum, an
architectures will often have a hardware register called "pc",
and that register's value, again, can easily not match
get_frame_pc(). */
preferable to displaying a mangled name. */
if (demangled == NULL)
funname = SYMBOL_PRINT_NAME (func);
+ else
+ xfree (demangled);
}
}
else
deprecated_print_address_numeric (frame_pc_unwind (fi), 1, gdb_stdout);
printf_filtered ("\n");
+ if (calling_frame_info == NULL)
+ {
+ enum unwind_stop_reason reason;
+
+ reason = get_frame_unwind_stop_reason (fi);
+ if (reason != UNWIND_NO_REASON)
+ printf_filtered (_(" Outermost frame: %s\n"),
+ frame_stop_reason_string (reason));
+ }
+
if (calling_frame_info)
{
printf_filtered (" called by frame at ");
}
if (get_next_frame (fi) || calling_frame_info)
puts_filtered ("\n");
+
if (s)
printf_filtered (" source language %s.\n",
language_str (s->language));
deprecated_print_address_numeric (arg_list, 1, gdb_stdout);
printf_filtered (",");
- if (!FRAME_NUM_ARGS_P ())
+ if (!gdbarch_frame_num_args_p (current_gdbarch))
{
numargs = -1;
puts_filtered (" args: ");
}
else
{
- numargs = FRAME_NUM_ARGS (fi);
+ numargs = gdbarch_frame_num_args (current_gdbarch, fi);
gdb_assert (numargs >= 0);
if (numargs == 0)
puts_filtered (" no args.");
at one stage the frame cached the previous frame's SP instead
of its address, hence it was easiest to just display the cached
value. */
- if (SP_REGNUM >= 0)
+ if (gdbarch_sp_regnum (current_gdbarch) >= 0)
{
/* Find out the location of the saved stack pointer with out
actually evaluating it. */
- frame_register_unwind (fi, SP_REGNUM, &optimized, &lval, &addr,
+ frame_register_unwind (fi, gdbarch_sp_regnum (current_gdbarch),
+ &optimized, &lval, &addr,
&realnum, NULL);
if (!optimized && lval == not_lval)
{
gdb_byte value[MAX_REGISTER_SIZE];
CORE_ADDR sp;
- frame_register_unwind (fi, SP_REGNUM, &optimized, &lval, &addr,
+ frame_register_unwind (fi, gdbarch_sp_regnum (current_gdbarch),
+ &optimized, &lval, &addr,
&realnum, value);
/* NOTE: cagney/2003-05-22: This is assuming that the
stack pointer was packed as an unsigned integer. That
may or may not be valid. */
- sp = extract_unsigned_integer (value, register_size (current_gdbarch, SP_REGNUM));
+ sp = extract_unsigned_integer (value,
+ register_size (current_gdbarch,
+ gdbarch_sp_regnum (current_gdbarch)));
printf_filtered (" Previous frame's sp is ");
deprecated_print_address_numeric (sp, 1, gdb_stdout);
printf_filtered ("\n");
else if (!optimized && lval == lval_register)
{
printf_filtered (" Previous frame's sp in %s\n",
- REGISTER_NAME (realnum));
+ gdbarch_register_name (current_gdbarch, realnum));
need_nl = 0;
}
/* else keep quiet. */
}
count = 0;
- numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ numregs = gdbarch_num_regs (current_gdbarch)
+ + gdbarch_num_pseudo_regs (current_gdbarch);
for (i = 0; i < numregs; i++)
- if (i != SP_REGNUM
+ if (i != gdbarch_sp_regnum (current_gdbarch)
&& gdbarch_register_reggroup_p (current_gdbarch, i, all_reggroup))
{
/* Find out the location of the saved register without
else
puts_filtered (",");
wrap_here (" ");
- printf_filtered (" %s at ", REGISTER_NAME (i));
+ printf_filtered (" %s at ",
+ gdbarch_register_name (current_gdbarch, i));
deprecated_print_address_numeric (addr, 1, gdb_stdout);
count++;
}
print_frame_info (fi, 1, LOCATION, 1);
if (show_locals)
print_frame_local_vars (fi, 1, gdb_stdout);
+
+ /* Save the last frame to check for error conditions. */
+ trailing = fi;
}
/* If we've stopped before the end, mention that. */
if (fi && from_tty)
printf_filtered (_("(More stack frames follow...)\n"));
+
+ /* If we've run out of frames, and the reason appears to be an error
+ condition, print it. */
+ if (fi == NULL && trailing != NULL)
+ {
+ enum unwind_stop_reason reason;
+
+ reason = get_frame_unwind_stop_reason (trailing);
+ if (reason > UNWIND_FIRST_ERROR)
+ printf_filtered (_("Backtrace stopped: %s\n"),
+ frame_stop_reason_string (reason));
+ }
}
struct backtrace_command_args
if (!target_has_stack)
return 0;
- /* NOTE: cagney/2002-11-28: Why go to all this effort to not create
- a selected/current frame? Perhaps this function is called,
- indirectly, by WFI in "infrun.c" where avoiding the creation of
- an inner most frame is very important (it slows down single
- step). I suspect, though that this was true in the deep dark
- past but is no longer the case. A mindless look at all the
- callers tends to support this theory. I think we should be able
- to assume that there is always a selcted frame. */
- /* gdb_assert (deprecated_selected_frame != NULL); So, do you feel
- lucky? */
- if (!deprecated_selected_frame)
- {
- CORE_ADDR pc = read_pc ();
- if (addr_in_block != NULL)
- *addr_in_block = pc;
- return block_for_pc (pc);
- }
- return get_frame_block (deprecated_selected_frame, addr_in_block);
+ return get_frame_block (get_selected_frame (NULL), addr_in_block);
}
/* Find a frame a certain number of levels away from FRAME.
|| TYPE_CODE (return_type) == TYPE_CODE_UNION))
{
/* NOTE: cagney/2003-10-20: Compatibility hack for legacy
- code. Old architectures don't expect STORE_RETURN_VALUE
+ code. Old architectures don't expect gdbarch_store_return_value
to be called with with a small struct that needs to be
stored in registers. Don't start doing it now. */
query_prefix = "\
frame). */
frame_pop (get_current_frame ());
- /* Store RETURN_VAUE in the just-returned register set. */
+ /* Store RETURN_VALUE in the just-returned register set. */
if (return_value != NULL)
{
struct type *return_type = value_type (return_value);
NULL, NULL, NULL)
== RETURN_VALUE_REGISTER_CONVENTION);
gdbarch_return_value (current_gdbarch, return_type,
- current_regcache, NULL /*read*/,
+ get_current_regcache (), NULL /*read*/,
value_contents (return_value) /*write*/);
}
if (!found)
printf_filtered (_("'%s' not within current stack frame.\n"), arg);
- else if (frame != deprecated_selected_frame)
+ else if (frame != get_selected_frame (NULL))
select_and_print_frame (frame);
}
enum language
get_frame_language (void)
{
- struct frame_info *frame = deprecated_selected_frame;
+ struct frame_info *frame = deprecated_safe_get_selected_frame ();
if (frame)
{
projects / deliverable / binutils-gdb.git / blobdiff