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* sparc64-tdep.h (SPARC64_PSTATE_AG, SPARC64_PSTATE_IE)
(SPARC64_PSTATE_PRIV, SPARC64_PSTATE_AM, SPARC64_PSTATE_PEF) (SPARC64_PSTATE_RED, SPARC64_PSTATE_TLE, SPARC64_PSTATE_CLE) (SPARC64_PSTATE_PID0, SPARC64_PSTATE_PID1): New defines. * sparc64nbsd-nat.c: Include "gdbcore.h". (sparc64nbsd_supply_pcb): Get %pc from stack if necessary. Supply processor state register. * sparc64obsd-tdep.c (sparc64obsd_trapframe_cache) (sparc64obsd_trapframe_this_id) (sparc64obsd_trapframe_prev_register) (sparc64obsd_trapframe_sniffer): New functions. (sparc64obsd_trapframe_unwind): New variable. (sparc64obsd_init_abi): Append trapframe unwinder. * Makefile.in (sparc64nbsd-nat.o): Update dependencies.
This commit is contained in:
Mark Kettenis
parent
f9225e75c0
commit
6df5070e3f
@ -1,3 +1,20 @@
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2006-12-31 Mark Kettenis <kettenis@gnu.org>
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* sparc64-tdep.h (SPARC64_PSTATE_AG, SPARC64_PSTATE_IE)
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(SPARC64_PSTATE_PRIV, SPARC64_PSTATE_AM, SPARC64_PSTATE_PEF)
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(SPARC64_PSTATE_RED, SPARC64_PSTATE_TLE, SPARC64_PSTATE_CLE)
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(SPARC64_PSTATE_PID0, SPARC64_PSTATE_PID1): New defines.
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* sparc64nbsd-nat.c: Include "gdbcore.h".
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(sparc64nbsd_supply_pcb): Get %pc from stack if necessary. Supply
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processor state register.
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* sparc64obsd-tdep.c (sparc64obsd_trapframe_cache)
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(sparc64obsd_trapframe_this_id)
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(sparc64obsd_trapframe_prev_register)
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(sparc64obsd_trapframe_sniffer): New functions.
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(sparc64obsd_trapframe_unwind): New variable.
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(sparc64obsd_init_abi): Append trapframe unwinder.
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* Makefile.in (sparc64nbsd-nat.o): Update dependencies.
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2006-12-30 Daniel Jacobowitz <dan@codesourcery.com>
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* infrun.c (handle_inferior_event): Don't call
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@ -2676,8 +2676,8 @@ sparc64-linux-tdep.o: sparc64-linux-tdep.c $(defs_h) $(frame_h) \
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$(trad_frame_h) $(tramp_frame_h) $(sparc64_tdep_h)
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sparc64-nat.o: sparc64-nat.c $(defs_h) $(gdbarch_h) $(sparc64_tdep_h) \
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$(sparc_nat_h)
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sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(regcache_h) $(target_h) \
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$(sparc64_tdep_h) $(sparc_nat_h) $(bsd_kvm_h)
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sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
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$(target_h) $(sparc64_tdep_h) $(sparc_nat_h) $(bsd_kvm_h)
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sparc64nbsd-tdep.o: sparc64nbsd-tdep.c $(defs_h) $(frame_h) \
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$(frame_unwind_h) $(gdbcore_h) $(osabi_h) $(regcache_h) $(regset_h) \
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$(symtab_h) $(objfiles_h) $(solib_svr4_h) $(trad_frame_h) \
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@ -1,6 +1,6 @@
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/* Target-dependent code for UltraSPARC.
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -84,6 +84,18 @@ enum sparc64_regnum
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= SPARC64_Q0_REGNUM + 15
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};
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/* Processor state bits. */
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#define SPARC64_PSTATE_AG 0x001
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#define SPARC64_PSTATE_IE 0x002
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#define SPARC64_PSTATE_PRIV 0x004
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#define SPARC64_PSTATE_AM 0x008
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#define SPARC64_PSTATE_PEF 0x010
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#define SPARC64_PSTATE_RED 0x020
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#define SPARC64_PSTATE_TLE 0x100
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#define SPARC64_PSTATE_CLE 0x200
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#define SPARC64_PSTATE_PID0 0x400
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#define SPARC64_PSTATE_PID1 0x800
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extern void sparc64_init_abi (struct gdbarch_info info,
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struct gdbarch *gdbarch);
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@ -1,6 +1,6 @@
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/* Native-dependent code for NetBSD/sparc64.
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -20,6 +20,7 @@
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "target.h"
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@ -136,6 +137,7 @@ sparc64nbsd_fpregset_supplies_p (int regnum)
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static int
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sparc64nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
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{
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u_int64_t state;
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int regnum;
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/* The following is true for NetBSD 1.6.2:
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@ -148,9 +150,19 @@ sparc64nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
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if (pcb->pcb_sp == 0)
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return 0;
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/* If the program counter is zero, this is probably a core dump, and
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we can get %pc from the stack. */
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if (pcb->pcb_pc == 0)
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read_memory(pcb->pcb_sp + BIAS - 176 + (11 * 8),
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(gdb_byte *)&pcb->pcb_pc, sizeof pcb->pcb_pc);
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regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
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regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
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state = pcb->pcb_pstate << 8 | pcb->pcb_cwp;
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regcache_raw_supply (regcache, SPARC64_STATE_REGNUM, &state);
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sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
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return 1;
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@ -202,6 +202,86 @@ sparc64obsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
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return NULL;
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}
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/* Kernel debugging support. */
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static struct sparc_frame_cache *
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sparc64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
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{
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struct sparc_frame_cache *cache;
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CORE_ADDR sp, trapframe_addr;
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int regnum;
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if (*this_cache)
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return *this_cache;
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cache = sparc_frame_cache (next_frame, this_cache);
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gdb_assert (cache == *this_cache);
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sp = frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM);
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trapframe_addr = sp + BIAS + 176;
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cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
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cache->saved_regs[SPARC64_STATE_REGNUM].addr = trapframe_addr;
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cache->saved_regs[SPARC64_PC_REGNUM].addr = trapframe_addr + 8;
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cache->saved_regs[SPARC64_NPC_REGNUM].addr = trapframe_addr + 16;
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for (regnum = SPARC_G0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
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cache->saved_regs[regnum].addr =
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trapframe_addr + 48 + (regnum - SPARC_G0_REGNUM) * 8;
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return cache;
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}
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static void
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sparc64obsd_trapframe_this_id (struct frame_info *next_frame,
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void **this_cache, struct frame_id *this_id)
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{
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struct sparc_frame_cache *cache =
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sparc64obsd_trapframe_cache (next_frame, this_cache);
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(*this_id) = frame_id_build (cache->base, cache->pc);
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}
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static void
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sparc64obsd_trapframe_prev_register (struct frame_info *next_frame,
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void **this_cache,
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int regnum, int *optimizedp,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realnump, gdb_byte *valuep)
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{
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struct sparc_frame_cache *cache =
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sparc64obsd_trapframe_cache (next_frame, this_cache);
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trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
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optimizedp, lvalp, addrp, realnump, valuep);
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}
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static const struct frame_unwind sparc64obsd_trapframe_unwind =
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{
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NORMAL_FRAME,
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sparc64obsd_trapframe_this_id,
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sparc64obsd_trapframe_prev_register
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};
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static const struct frame_unwind *
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sparc64obsd_trapframe_sniffer (struct frame_info *next_frame)
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{
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ULONGEST pstate;
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char *name;
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/* Check whether we are in privileged mode, and bail out if we're not. */
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pstate = frame_unwind_register_unsigned(next_frame, SPARC64_PSTATE_REGNUM);
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if ((pstate & SPARC64_PSTATE_PRIV) == 0)
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return NULL;
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find_pc_partial_function (frame_pc_unwind (next_frame), &name, NULL, NULL);
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if (name && strcmp (name, "Lslowtrap_reenter") == 0)
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return &sparc64obsd_trapframe_unwind;
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return NULL;
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}
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/* Threads support. */
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@ -299,6 +379,7 @@ sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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tdep->step_trap = sparcnbsd_step_trap;
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frame_unwind_append_sniffer (gdbarch, sparc64obsd_sigtramp_frame_sniffer);
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frame_unwind_append_sniffer (gdbarch, sparc64obsd_trapframe_sniffer);
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sparc64_init_abi (info, gdbarch);
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