diff options
| -rw-r--r-- | gdb/ChangeLog | 11 | ||||
| -rw-r--r-- | gdb/Makefile.in | 4 | ||||
| -rw-r--r-- | gdb/config/sparc/fbsd.mh | 4 | ||||
| -rw-r--r-- | gdb/sparc64fbsd-nat.c | 39 |
4 files changed, 55 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 005380b..6dddba2 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,14 @@ +2005-07-15 Mark Kettenis <kettenis@gnu.org> + Marcel Moolenaar <marcel@xcllnt.net> + + * sparc64fbsd-nat.c: Include "regcache.h", <sys/types.h>, + <machine/pcb.h> and "bsd-kvm.h". + (sparc64fbsd_kvm_supply_pcb): New function. + (_initialize_sparc64fbsd_nat): Enable libkvm interface. + * config/sparc/fbsd.mh (NATDEPFILES): Add bsd-kvm.o. + (LOADLIBES): New variable. + * Makefile.in (sparc64fbsd-nat.o): Update dependencies. + 2005-07-15 Nick Roberts <nickrob@snap.net.nz> Daniel Jacobowitz <dan@codesourcery.com> diff --git a/gdb/Makefile.in b/gdb/Makefile.in index fad41f2..112e2f5 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -2563,8 +2563,8 @@ source.o: source.c $(defs_h) $(symtab_h) $(expression_h) $(language_h) \ $(gdb_string_h) $(gdb_stat_h) $(gdbcore_h) $(gdb_regex_h) \ $(symfile_h) $(objfiles_h) $(annotate_h) $(gdbtypes_h) $(linespec_h) \ $(filenames_h) $(completer_h) $(ui_out_h) $(readline_h) -sparc64fbsd-nat.o: sparc64fbsd-nat.c $(defs_h) $(target_h) $(fbsd_nat_h) \ - $(sparc64_tdep_h) $(sparc_nat_h) +sparc64fbsd-nat.o: sparc64fbsd-nat.c $(defs_h) $(regcache_h) $(target_h) \ + $(fbsd_nat_h) $(sparc64_tdep_h) $(sparc_nat_h) $(bsd_kvm_h) sparc64fbsd-tdep.o: sparc64fbsd-tdep.c $(defs_h) $(frame_h) \ $(frame_unwind_h) $(gdbcore_h) $(osabi_h) $(regcache_h) $(regset_h) \ $(target_h) $(trad_frame_h) $(gdb_assert_h) $(gdb_string_h) \ diff --git a/gdb/config/sparc/fbsd.mh b/gdb/config/sparc/fbsd.mh index acacaf4..06cfd1a 100644 --- a/gdb/config/sparc/fbsd.mh +++ b/gdb/config/sparc/fbsd.mh @@ -1,4 +1,6 @@ # Host: FreeBSD/sparc64 NATDEPFILES= fork-child.o inf-ptrace.o \ fbsd-nat.o sparc-nat.o sparc64-nat.o sparc64fbsd-nat.o \ - gcore.o + gcore.o bsd-kvm.o + +LOADLIBES= -lkvm diff --git a/gdb/sparc64fbsd-nat.c b/gdb/sparc64fbsd-nat.c index dab419a..47e6ef6 100644 --- a/gdb/sparc64fbsd-nat.c +++ b/gdb/sparc64fbsd-nat.c @@ -20,11 +20,47 @@ Boston, MA 02111-1307, USA. */ #include "defs.h" +#include "regcache.h" #include "target.h" #include "fbsd-nat.h" #include "sparc64-tdep.h" #include "sparc-nat.h" + + +/* Support for debugging kernel virtual memory images. */ + +#include <sys/types.h> +#include <machine/pcb.h> + +#include "bsd-kvm.h" + +static int +sparc64fbsd_kvm_supply_pcb (struct regcache *regcache, struct pcb *pcb) +{ + /* The following is true for FreeBSD 5.4: + + The pcb contains %sp and %pc. Since the register windows are + explicitly flushed, we can find the `local' and `in' registers on + the stack. */ + + /* The stack pointer shouldn't be zero. */ + if (pcb->pcb_sp == 0) + return 0; + + regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp); + regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc); + + /* Synthesize %npc. */ + pcb->pcb_pc += 4; + regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, &pcb->pcb_pc); + + /* Read `local' and `in' registers from the stack. */ + sparc_supply_rwindow (regcache, pcb->pcb_sp, -1); + + return 1; +} + /* Provide a prototype to silence -Wmissing-prototypes. */ void _initialize_sparc64fbsd_nat (void); @@ -42,4 +78,7 @@ _initialize_sparc64fbsd_nat (void) add_target (t); sparc_gregset = &sparc64fbsd_gregset; + + /* Support debugging kernel virtual memory images. */ + bsd_kvm_add_target (sparc64fbsd_kvm_supply_pcb); } |