From 69e9e646da0e5602742734053eb60f7082368210 Mon Sep 17 00:00:00 2001 From: "Nathan J. Williams" Date: Sun, 8 Aug 2004 19:27:10 +0000 Subject: [PATCH] * ppcnbsd-nat.c: Include , , "gdbcore.h", "regcache.h", and "bsd-kvm.h". (ppcnbsd_supply_pcb): New function. (_initialize_ppcnbsd_nat): New prototype and function. * config/powerpc/nbsd.mh (NATDEPFILES): Add bsd-kvm.o. (LOADLIBES): New variable. * Makefile.in (ppcnbsd-nat.o): Update dependencies. --- gdb/ChangeLog | 10 ++++++++++ gdb/Makefile.in | 3 ++- gdb/config/powerpc/nbsd.mh | 4 +++- gdb/ppcnbsd-nat.c | 48 +++++++++++++++++++++++++++++++++++++++++++++- 4 files changed, 62 insertions(+), 3 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3657a77..37a5ec3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,13 @@ +2004-08-08 Nathan J. Williams + + * ppcnbsd-nat.c: Include , , + "gdbcore.h", "regcache.h", and "bsd-kvm.h". + (ppcnbsd_supply_pcb): New function. + (_initialize_ppcnbsd_nat): New prototype and function. + * config/powerpc/nbsd.mh (NATDEPFILES): Add bsd-kvm.o. + (LOADLIBES): New variable. + * Makefile.in (ppcnbsd-nat.o): Update dependencies. + 2004-08-08 Andrew Cagney * gdbtypes.c (builtin_type_arm_ext, builtin_type_ieee_single) diff --git a/gdb/Makefile.in b/gdb/Makefile.in index eed7a88..0e27df5 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -2281,7 +2281,8 @@ ppc-linux-tdep.o: ppc-linux-tdep.c $(defs_h) $(frame_h) $(inferior_h) \ $(objfiles_h) $(regcache_h) $(value_h) $(osabi_h) $(regset_h) \ $(solib_svr4_h) $(ppc_tdep_h) $(trad_frame_h) $(frame_unwind_h) ppcnbsd-nat.o: ppcnbsd-nat.c $(defs_h) $(inferior_h) $(gdb_assert_h) \ - $(ppc_tdep_h) $(ppcnbsd_tdep_h) + $(ppc_tdep_h) $(ppcnbsd_tdep_h) $(gdbcore.h) $(regcache_h) \ + $(bsd_kvm_h) ppcnbsd-tdep.o: ppcnbsd-tdep.c $(defs_h) $(gdbcore_h) $(regcache_h) \ $(target_h) $(breakpoint_h) $(value_h) $(osabi_h) $(ppc_tdep_h) \ $(ppcnbsd_tdep_h) $(nbsd_tdep_h) $(tramp_frame_h) $(trad_frame_h) \ diff --git a/gdb/config/powerpc/nbsd.mh b/gdb/config/powerpc/nbsd.mh index 26ba24d..923b5f2 100644 --- a/gdb/config/powerpc/nbsd.mh +++ b/gdb/config/powerpc/nbsd.mh @@ -1,3 +1,5 @@ # Host: PowerPC, running NetBSD -NATDEPFILES= fork-child.o infptrace.o inftarg.o ppcnbsd-nat.o +NATDEPFILES= fork-child.o infptrace.o inftarg.o ppcnbsd-nat.o bsd-kvm.o NAT_FILE= nm-nbsd.h + +LOADLIBES= -lkvm diff --git a/gdb/ppcnbsd-nat.c b/gdb/ppcnbsd-nat.c index 7b22b12..ecc70d2 100644 --- a/gdb/ppcnbsd-nat.c +++ b/gdb/ppcnbsd-nat.c @@ -1,5 +1,5 @@ /* Native-dependent code for PowerPC's running NetBSD, for GDB. - Copyright 2002 Free Software Foundation, Inc. + Copyright 2002, 2004 Free Software Foundation, Inc. Contributed by Wasabi Systems, Inc. This file is part of GDB. @@ -22,10 +22,15 @@ #include #include #include +#include +#include #include "defs.h" #include "inferior.h" #include "gdb_assert.h" +#include "gdbcore.h" +#include "regcache.h" +#include "bsd-kvm.h" #include "ppc-tdep.h" #include "ppcnbsd-tdep.h" @@ -134,3 +139,44 @@ store_inferior_registers (int regno) perror_with_name ("Couldn't set FP registers"); } } + +static int +ppcnbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) +{ + struct switchframe sf; + struct callframe cf; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + int i; + + /* The stack pointer shouldn't be zero. */ + if (pcb->pcb_sp == 0) + return 0; + + read_memory (pcb->pcb_sp, (char *) &sf, sizeof sf); + regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &sf.cr); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 2, &sf.fixreg2); + for (i = 0 ; i < 19 ; i++) + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 13 + i, + &sf.fixreg[i]); + + read_memory(sf.sp, (char *)&cf, sizeof(cf)); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 30, &cf.r30); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 31, &cf.r31); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 1, &cf.sp); + + read_memory(cf.sp, (char *)&cf, sizeof(cf)); + regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &cf.lr); + regcache_raw_supply (regcache, PC_REGNUM, &cf.lr); + + return 1; +} + +/* Provide a prototype to silence -Wmissing-prototypes. */ +void _initialize_ppcnbsd_nat (void); + +void +_initialize_ppcnbsd_nat (void) +{ + /* Support debugging kernel virtual memory images. */ + bsd_kvm_add_target (ppcnbsd_supply_pcb); +} -- 2.7.4