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* Makefile.in (sparc-tdep.o): Add osabi.h to dependency list. 

* sparc-tdep.c: Include osabi.h.
(gdbarch_tdep): Add osabi member.
(_initialize_sparc_tdep): Use gdbarch_register.
(sparc_gdbarch_init): Use generic OS ABI framework.
(sparc_dump_tdep): New function.
This commit is contained in:
Jason Thorpe 2002-05-31 00:19:47 +00:00
parent 4aaa392b92
commit ef3cf0627a
3 changed files with 54 additions and 5 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
2002-05-30 Jason Thorpe <thorpej@wasabisystems.com>
* Makefile.in (sparc-tdep.o): Add osabi.h to dependency list.
* sparc-tdep.c: Include osabi.h.
(gdbarch_tdep): Add osabi member.
(_initialize_sparc_tdep): Use gdbarch_register.
(sparc_gdbarch_init): Use generic OS ABI framework.
(sparc_dump_tdep): New function.
2002-05-30 Kevin Buettner <kevinb@redhat.com>
* corefile.c (do_captured_read_memory_integer): Return non-zero

2
gdb/Makefile.in
View File

@ -2124,7 +2124,7 @@ sparc-nat.o: sparc-nat.c $(bfd_h) $(defs_h) $(inferior_h) $(gdbcore_h) \
sparc-tdep.o: sparc-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \
$(inferior_h) $(objfiles_h) $(symfile_h) $(target_h) $(gdb_string_h) \
$(arch_utils_h) $(regcache_h)
$(arch_utils_h) $(regcache_h) osabi.h
sparcl-tdep.o: sparcl-tdep.c $(defs_h) $(gdbcore_h) $(target_h) $(regcache_h)

48
gdb/sparc-tdep.c
View File

@ -33,6 +33,7 @@
#include "bfd.h"
#include "gdb_string.h"
#include "regcache.h"
#include "osabi.h"
#ifdef USE_PROC_FS
#include <sys/procfs.h>
@ -111,6 +112,8 @@ struct gdbarch_tdep
int reg_save_offset;
int call_dummy_call_offset;
int print_insn_mach;
enum gdb_osabi osabi;
};
/* Now make GDB_TARGET_IS_SPARC64 a runtime test. */
@ -2272,12 +2275,13 @@ sparc_target_architecture_hook (const bfd_arch_info_type *ap)
static struct gdbarch * sparc_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches);
static void sparc_dump_tdep (struct gdbarch *, struct ui_file *);
void
_initialize_sparc_tdep (void)
{
/* Hook us into the gdbarch mechanism. */
register_gdbarch_init (bfd_arch_sparc, sparc_gdbarch_init);
gdbarch_register (bfd_arch_sparc, sparc_gdbarch_init, sparc_dump_tdep);
tm_print_insn = gdb_print_insn_sparc;
tm_print_insn_info.mach = TM_PRINT_INSN_MACH; /* Selects sparc/sparclite */
@ -2930,6 +2934,7 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
static LONGEST call_dummy_32[] =
{ 0xbc100001, 0x9de38000, 0xbc100002, 0xbe100003,
@ -2953,10 +2958,29 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
};
static LONGEST call_dummy_nil[] = {0};
/* Try to determine the OS ABI of the object we are loading. */
if (info.abfd != NULL)
{
osabi = gdbarch_lookup_osabi (info.abfd);
if (osabi == GDB_OSABI_UNKNOWN)
{
/* If it's an ELF file, assume it's Solaris. */
if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
osabi = GDB_OSABI_SOLARIS;
}
}
/* First see if there is already a gdbarch that can satisfy the request. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return arches->gdbarch;
for (arches = gdbarch_list_lookup_by_info (arches, &info);
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
{
/* Make sure the ABI selection matches. */
tdep = gdbarch_tdep (arches->gdbarch);
if (tdep && tdep->osabi == osabi)
return arches->gdbarch;
}
/* None found: is the request for a sparc architecture? */
if (info.bfd_arch_info->arch != bfd_arch_sparc)
@ -2966,6 +2990,8 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
gdbarch = gdbarch_alloc (&info, tdep);
tdep->osabi = osabi;
/* First set settings that are common for all sparc architectures. */
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
set_gdbarch_breakpoint_from_pc (gdbarch, memory_breakpoint_from_pc);
@ -3281,6 +3307,20 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
break;
}
/* Hook in OS ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch, osabi);
return gdbarch;
}
static void
sparc_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
if (tdep == NULL)
return;
fprintf_unfiltered (file, "sparc_dump_tdep: OS ABI = %s\n",
gdbarch_osabi_name (tdep->osabi));
}