mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-23 20:19:49 +00:00
2567c7d9cc
(update_global_location_list): Use gdbarch_has_global_breakpoints instead of gdbarch_has_global_solist and target_supports_multi_process. * dicos-tdep.c (dicos_init_abi): Set gdbarch_has_global_breakpoints. * gdbarch.sh (has_global_solist): Update comment. (has_global_breakpoints): New. * remote.c (remote_start_remote): Use gdbarch_has_global_breakpoints instead of gdbarch_has_global_solist. * target.c (target_detach): Use gdbarch_has_global_breakpoints instead of gdbarch_has_global_solist. * infcmd.c (attach_command): Use gdbarch_has_global_solist instead of target_supports_multi_process.
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* Target-dependent, architecture-independent code for DICOS, for GDB.
|
|
|
|
Copyright (C) 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "osabi.h"
|
|
#include "gdb_string.h"
|
|
#include "solib.h"
|
|
#include "solib-target.h"
|
|
#include "inferior.h"
|
|
#include "dicos-tdep.h"
|
|
|
|
void
|
|
dicos_init_abi (struct gdbarch *gdbarch)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
set_solib_ops (gdbarch, &solib_target_so_ops);
|
|
|
|
/* Every process, although has its own address space, sees the same
|
|
list of shared libraries. There's no "main executable" in DICOS,
|
|
so this accounts for all code. */
|
|
set_gdbarch_has_global_solist (gdbarch, 1);
|
|
|
|
/* The DICOS breakpoint API takes care of magically making
|
|
breakpoints visible to all inferiors. */
|
|
set_gdbarch_has_global_breakpoints (gdbarch, 1);
|
|
|
|
/* There's no (standard definition of) entry point or a guaranteed
|
|
text location with a symbol where to place the call dummy, so we
|
|
put it on the stack. */
|
|
set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
|
|
|
|
/* DICOS rewinds the PC itself. */
|
|
set_gdbarch_decr_pc_after_break (gdbarch, 0);
|
|
}
|
|
|
|
/* Return true if ABFD is a dicos load module. HEADER_SIZE is the
|
|
expected size of the "header" section in bytes. */
|
|
|
|
int
|
|
dicos_load_module_p (bfd *abfd, int header_size)
|
|
{
|
|
long storage_needed;
|
|
int ret = 0;
|
|
asymbol **symbol_table = NULL;
|
|
const char *symname = "Dicos_loadModuleInfo";
|
|
asection *section;
|
|
|
|
/* DICOS files don't have a .note.ABI-tag marker or something
|
|
similar. We do know there's always a "header" section of
|
|
HEADER_SIZE bytes (size depends on architecture), and there's
|
|
always a "Dicos_loadModuleInfo" symbol defined. Look for the
|
|
section first, as that should be cheaper. */
|
|
|
|
section = bfd_get_section_by_name (abfd, "header");
|
|
if (!section)
|
|
return 0;
|
|
|
|
if (bfd_section_size (abfd, section) != header_size)
|
|
return 0;
|
|
|
|
/* Dicos LMs always have a "Dicos_loadModuleInfo" symbol
|
|
defined. Look for it. */
|
|
|
|
storage_needed = bfd_get_symtab_upper_bound (abfd);
|
|
if (storage_needed < 0)
|
|
{
|
|
warning (_("Can't read elf symbols from %s: %s"), bfd_get_filename (abfd),
|
|
bfd_errmsg (bfd_get_error ()));
|
|
return 0;
|
|
}
|
|
|
|
if (storage_needed > 0)
|
|
{
|
|
long i, symcount;
|
|
|
|
symbol_table = xmalloc (storage_needed);
|
|
symcount = bfd_canonicalize_symtab (abfd, symbol_table);
|
|
|
|
if (symcount < 0)
|
|
warning (_("Can't read elf symbols from %s: %s"),
|
|
bfd_get_filename (abfd),
|
|
bfd_errmsg (bfd_get_error ()));
|
|
else
|
|
{
|
|
for (i = 0; i < symcount; i++)
|
|
{
|
|
asymbol *sym = symbol_table[i];
|
|
if (sym->name != NULL
|
|
&& symname[0] == sym->name[0]
|
|
&& strcmp (symname + 1, sym->name + 1) == 0)
|
|
{
|
|
ret = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
xfree (symbol_table);
|
|
return ret;
|
|
}
|