/* Intel 386 target-dependent stuff.
Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_assert.h"
#include "reggroups.h"
#include "dummy-frame.h"
+#include "osabi.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
- /* FIXME: kettenis/20020511: Why do we override this function here? */
- set_gdbarch_frame_chain_valid (gdbarch, generic_func_frame_chain_valid);
-
set_gdbarch_pc_in_sigtramp (gdbarch, i386_svr4_pc_in_sigtramp);
tdep->sigcontext_addr = i386_svr4_sigcontext_addr;
tdep->sc_pc_offset = 14 * 4;
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- /* FIXME: kettenis/20020511: Why do we override this function here? */
- set_gdbarch_frame_chain_valid (gdbarch, generic_func_frame_chain_valid);
-
tdep->jb_pc_offset = 24;
}
\f
{
struct gdbarch_tdep *tdep;
struct gdbarch *gdbarch;
- enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
-
- /* Try to determine the OS ABI of the object we're loading. */
- if (info.abfd != NULL)
- osabi = gdbarch_lookup_osabi (info.abfd);
- /* Find a candidate among extant architectures. */
- for (arches = gdbarch_list_lookup_by_info (arches, &info);
- arches != NULL;
- arches = gdbarch_list_lookup_by_info (arches->next, &info))
- {
- /* Make sure the OS ABI selection matches. */
- tdep = gdbarch_tdep (arches->gdbarch);
- if (tdep && tdep->osabi == osabi)
- return arches->gdbarch;
- }
+ /* If there is already a candidate, use it. */
+ arches = gdbarch_list_lookup_by_info (arches, &info);
+ if (arches != NULL)
+ return arches->gdbarch;
/* Allocate space for the new architecture. */
tdep = XMALLOC (struct gdbarch_tdep);
ready to unwind the PC first (see frame.c:get_prev_frame()). */
set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
- tdep->osabi = osabi;
-
/* The i386 default settings don't include the SSE registers.
FIXME: kettenis/20020614: They do include the FPU registers for
now, which probably is not quite right. */
set_gdbarch_frameless_function_invocation (gdbarch,
i386_frameless_function_invocation);
set_gdbarch_frame_chain (gdbarch, i386_frame_chain);
- set_gdbarch_frame_chain_valid (gdbarch, generic_file_frame_chain_valid);
set_gdbarch_frame_saved_pc (gdbarch, i386_frame_saved_pc);
set_gdbarch_saved_pc_after_call (gdbarch, i386_saved_pc_after_call);
set_gdbarch_frame_num_args (gdbarch, i386_frame_num_args);
set_gdbarch_register_reggroup_p (gdbarch, i386_register_reggroup_p);
/* Hook in ABI-specific overrides, if they have been registered. */
- gdbarch_init_osabi (info, gdbarch, osabi);
+ gdbarch_init_osabi (info, gdbarch);
return gdbarch;
}