* Makefile.in (ALLDEPFILES): Remove sparc-linux-nat.c and

sparcl-tdep.c.  Add sparc-linux-tdep.c, sparc-sol2-nat.c,
sparc-sol2-tdep.c, sparc-sol2-nat.c, sparc-sol2-tdep.c,
sparc64-linux-nat.c, sparc64-linux-tdep.c, sparc64-nat.c,
sparc64-sol2-tdep.c, sparc64-tdep.c, sparc64fbsd-nat.c,
sparc64fbsd-tdep.c, sparcnbsd-nat.c, sparcnbsd-tdep.c.
(sparc_nat_h): New variable.
(sparcbsd_nat_h, sparcnbsd_tdep_h): Remove variables.
(tm-sun4os4.h): Remove dependency.
(sparcbsd-nat.o, sparc-linux-nat.o): Remove dependencies.
(sparc64fbsd-nat.o, sparc64fbsd-tdep.o, sparc64nbsd-nat.o,
sparc64-tdep.o, sparc-nat.o, sparcnbsd-nat.o, sparcnbsd-tdep.o,
sparc-tdep.o): Update dependencies.
(sparc-linux-tdep.o, sparc-sol2-nat.o, sparc-sol2-tdep.o,
sparc64-linux-nat.o, sparc64-linux-tdep.o, sparc64-nat.o,
sparc64-sol2-tdep.o, sparc64-tdep.o, sparc64nbsd-tdep.o): New
dependencies.
* configure.host: Remove existing sparc-*-lynxos*,
sparc-*-solaris*, sparc-*-sunos4*, sparc-*-sunos5*, sparc-*-*,
ultrasparc-*-freebsd, sparcv9-*-freebsd, sparc64-*-linux*,
sparcv9-*-* and sparc64-*-* triplets.  Add new sparc64-*-linux*,
sparc-*-solaris2*, sparcv9-*-solaris2* and sparc64-*-solaris2*
triplets.
* configure.tgt: Remove exitsing sparc-*-aout*, sparc-*-coff*,
sparc-*-elf*, sparc*-lynxos*, sparc-*-solars2*, sparc-*-sunos4*,
sparc-*-sunos5*, sparc-*-vxworks*, sparc64-*linux*, sparc64-*-*,
sparcv9-*-* and commented out sparc64-*-solars2* triplets.  Add
new sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*,
sparc64-*-linux, sparc-*-solaris2*, sparcv9-*-solaris*,
sparc64-*-solaris2* and sparc64-*-* triplets.
* sparc64-tdep.c: Update copyright year.  Include "inferior.h",
"symtab.h" and "objfiles.h".
(BIAS): Remove define.
(X_OP, X_RD, X_A, X_COND, X_OP2, X_IMM22, X_OP3, X_I, X_DISP22)
(X_DISP19): Remove macros.
(sparc_fetch_instruction): Remove function.
(struct gdbarch_tdep): Remove definition.
(SPARC64_NUM_REGS, SPARC64_NUM_PSEUDO_REGS): Use ARRAY_SIZE.
(sparc_breakpoint_from_pc): Remove function.
(struct sparc64_frame_cache): Remove definition.
(sparc64_alloc_frame_cache, sparc64_analyze_prologue,
sparc64_unwind_pc): Remove functions.
(sparc64_skip_prologue): Use `struct sparc_frame_cache' instead of
`struct sparc64_frame_cache.  Call sparc_analyze_prologue instead
of sparc64_analyze_prologue.  Mark constant as ULL instead of UL.
(sparc64_frame_cache): Change return type to `struct
sparc_frame_cache *'.  Simply call sparc_frame_cache.
(sparc64_frame_this_id, sparc64_frame_prev_register,
sparc64_frame_base_address): Use `struct sparc_frame_cache'
instead of `struct sparc64_frame_cache.
(sparc_unwind_dummy_id, sparc_extract_struct_value_address,
sparc_analyze_control_transfer, sparc_software_single_step,
sparc64_gdbarch_init, sparc_supply_rwindow, sparc_fill_rwindow,
_initialize_sparc64_tdep): Remove functions.
(TSTATE_CWP, TSTATE_ICC, TSTATE_XCC): New macros.
(PSR_S, PSR_ICC, PSR_VERS, PSR_IMPL, PSR_V8PLUS, PSR_XCC): New
macros.
(sparc64_supply_gregset, sparc64_collect_gregset,
sparc64_supply_fpregset, sparc64_collect_fpregset): New functions.
(sparc64_init_abi): New function.
* sparc64-tdep.h: Update copyright year.  Fix typo in multiple
inclusion guard.  Include "sparc-tdep.h".
(BIAS): Define.
(r_tstate_offset, r_fprs_offset): New defines.
(enum sparc_regnum): Remove defenition.
(enum sparc64_regnum): Reformat.
(sparc_supply_rwindow, sparc_fill_rwindow): Remove prototypes.
(sparc64_init_abi, sparc64_supply_gregset,
sparc64_collect_gregset, sparc64_supply_fpregset,
sparc64_collect_fpregset): New prototypes.
(sparc64_sol2_gregset, sparc64nbsd_gregset, sparc64fbsd_gregset):
Add extern declarations.
(sparc64_sol2_init_abi): New prototype.
(sparc64fbsd_supply_reg, sparc64fbsd_fill_reg)
(sparc64fbsd_supply_fpreg, sparc64fbsd_fill_fpreg): Remove
prototypes.
* sparc64fbsd-nat.c: Include "sparc-nat.h", don't include
"sparnbsd-nat.h".
(sparc64fbsd_reg_supplies_p, sparc64fbsd_fpreg_supplies_p): Remove
functions.
(_initialize_sparc64fbsd_nat): Remove initialization of
sparcbsd_supply_reg, sparcbsd_fill_reg, sparcbsd_supply_fpreg,
sparcbsd_fill_fpreg, sparcbsd_reg_supplies_p,
sparcbsd_fpreg_supplies_p.  Initialize sparc_gregset.
* sparc64fbsd-tdep.c: Update copyright year.  Include "frame.h",
"frame-unwind.h", "trad-frame.h" and "gdb_assert.h".
(sparc64fbsd_r_global_offset, sparc64fbsd_r_out_offset)
(sparc64fbsd_r_fprs_offset, sparc64fbsd_r_tnpc_offset)
(sparc64fbsd_r_tpc_offset, sparc64fbsd_r_tstate_offset)
(sparc64fbsd_r_y_offset): Remove variables.
(sparc64fbsd_sizeof_struct_reg, sparc64fbsd_sizeof_struct_fpreg):
Make static and const.
(sparc64fbsd_supply_reg, sparc64fbsd_fill_reg)
(sparc64fbsd_supply_fpreg, sparc64fbsd_fill_fpreg): Remove
functions.
(sparc64fbsd_gregset): New variable.
(fetch_core_registers): Replace calls to sparc64fbsd_supply_reg
and sparc64fbsd_supply_fpreg with calls to sparc64_supply_gregset
and sparc64_supply_fpregset.
(sparc64fbsd_pc_in_sigtramp, sparc64fbsd_sigtramp_frame_cache)
(sparc64fbsd_sigtramp_frame_this_id)
(sparc64fbsd_sigtramp_frame_prev_register): New functions.
(sparc64fbsd_sigtramp_frame_unwind): New variable.
(sparc64fbsd_sigtramp_frame_sniffer): New function.
(sparc64fbsd_init_abi): Set pc_in_sigtramp, append
sparc64fbsd_sigtramp_frame_sniffer.  Call sparc64_init_abi.
* sparcnbsd-tdep.c: Update copyright year.  Include
"floatformat.h", "frame.h", "frame-unwind.h", "symtab.h",
"trad-frame.h" and "gdb_assert.h", don't include "target.h",
"value.h" and "sparcnbsd-tdep.h".
(REG32_OFFSET_PSR, REG32_OFFSET_PC, REG32_OFFSET_NPC)
(REG32_OFFSET_Y, REG32_OFFSET_GLOBAL, REG32_OFFSET_OUT)
(REG64_OFFSET_TSTATE, REG64_OFFSET_PC, REG64_OFFSET_NPC)
(REG64_OFFSET_Y, REG64_OFFSET_GLOBAL, REG64_OFFSET_OUT): Remove
defines.
(sparcnbsd_gregset): New variable.
(sparcnbsd_supply_reg32, sparcnbsd_supply_reg64)
(sparcnbsd_fill_reg32, sparcnbsd_fill_reg64)
(sparcnbsd_supply_fpreg32, sparcnbsd_supply_fpreg64)
(sparcnbsd_fill_reg32, sparcnbsd_fill_reg64): Remove functions.
(sparc32nbsd_sigtramp_start, sparc32nbsd_sigtramp_end): New
variables.
(sparc32nbsd_pc_in_sigtramp, sparc32nbsd_sigcontext_frame_cache)
(sparc32nbsd_sigcontext_frame_this_id)
(sparc32nbsd_sigcontext_frame_prev_register): New functions.
(sparc32nbsd_sigcontext_frame_unwind): New variable.
(sparc32nbsd_sigtramp_frame_sniffer): New function.
(sparcnbsd_get_longjmp_target_32,
sparcnbsd_get_longjmp_target_64): Remove functions.
(sparcnbsd_aout_in_solib_call_trampoline): Rewrite.
(sparcnbsd_init_abi_common, sparcnbsd_init_aout,
sparcnbsd_init_elf): Remove.
(sparcnbsd_init_abi, sparcnbsd_aout_init_abi)
(sparcnbsd_elf_init_abi): New functions.
(_initialize_sparcnbsd_tdep): New prototype.
(_initialize_sparnbsd_tdep): Update.
* config/sparc/fbsd.mh (NATDEPFILES): Remove sparcbsd-nat.o and
corelow.o.  Add sparc64-nat.o and sparc-nat.o.
* config/sparc/fbsd.mt (TDEPFILES): Add sparc-tdep.o and corelow.o.
* config/sparc/linux.mh: Update comment.
(XM_FILE, HOST_IPC): Remove variables.
(NATDEPFILES): Add sparc-sol2-nat.o and core-regset.o.  Remove
sparc-linux-nat.o.
* config/sparc/linux.mt: Update comment.
(TDEPFILES): Add sparc-sol2-tdep.o and sparc-linux-tdep.o.
* config/sparc/nbsd.mt: Reformat.
* config/sparc/nbsd64.mh: Update comment.
(NATDEPFILES): Add sparc-nat.o.
* config/sparc/nbsd64.mt: Update comment.
(TDEPFILES): Add sparc64-tdep.o and sparc64nbsd-tdep.o.
(TM_FILE): Set to tm-nbsd.h.
* config/sparc/nbsdelf.mh: Update comment.
(NATDEPFILES): Add sparc-nat.o.
(XM_FILE): Delete.
* config/sparc/nbsdaout.mh: Update comment.
(NATDEPFILES): Add sparc-nat.o
(XM_FILE): Delete.
* config/sparc/nm-linux.h: Update copyright year.  Don't include
"config/nm-svr4.h" and "solib.h".  Add protection against multiple
inclusion.
(KERNEL_U_SIZE): Remove define.
(kernel_u_size): Remove prototype.
(PTRACE_ARG3_TYPE, PTRACE_XFER_TYPE): Define.
* config/sparc/nm-nbsd.h: Update copyright.  Don't include
"regcache.h".
(CHILD_PREPARE_TO_STORE): Remove define.
* config/sparc/nm-nbsdaout.h: Tweak some comments.
* sparc-nat.c, sparc-tdep.c, sparc-tdep.h, sparc64nbsd-nat.c,
sparcnbsd-nat.c: Rewrite files.
* config/sparc/tm-linux.h, config/sparc/tm-nbsd.h: Rewrite files.
* sparc-linux-nat.c, sparcbsd-nat.c, sparcbsd-nat.h,
sparcnbsd-tdep.h: Remove files.
* config/sparc/nm-sparclynx.h, config/sparc/nm-sun4os4.h,
config/sparc/nm-sun4sol2.h, config/sparc/sp64.mt,
config/sparc/sp64linux.mt, config/sparc/sp64sol2.mt,
config/sparc/sparc-em.mt, config/sparc/sparclynx.mh,
config/sparc/sparclynx.mt, config/sparc/sun4os4.mh,
config/sparc/sun4os4.mt, config/sparc/sun4sol2.mh,
config/sparc/sun4sol2.mt, config/sparc/tm-sp64.h,
config/sparc/tm-sp64linux.h, config/sparc/tm-sparc.h,
config/sparc/tm-sparclynx.h, config/sparc/tm-spc-em.h,
config/sparc/tm-sun4os4.h, config/sparc/tm-sun4sol2.h,
config/sparc/tm-vxsparc.h, config/sparc/vxsparc.mt,
config/sparc/xm-linux.h, config/sparc/xm-sun4sol2.h: Remove files.
* sparc-linux-tdep.c, sparc-nat.h, sparc-sol2-nat.c,
sparc-sol2-tdep.c, sparc64-linux-nat.c, sparc64-linux-t dep.c,
sparc64-nat.c, sparc64-sol2-tdep.c, sparc64nbsd-tdep.c: New files.
* config/sparc/linux64.mh, config/sparc/linux64.mt,
config/sparc/nm-sol2.h, config/sparc/sol2-64.mt,
config/sparc/sol2.mh, config/sparc/sol2.mt, config/sparc/sparc.mt,
config/sparc/sparc64.mt, config/sparc/tm-sol2.h: New files.

1 files changed, 258 insertions, 0 deletions

diff --git a/gdb/sparc64nbsd-tdep.c b/gdb/sparc64nbsd-tdep.c
new file mode 100644
index 00000000000..3e657b49eda
--- /dev/null
+++ b/gdb/sparc64nbsd-tdep.c
@@ -0,0 +1,258 @@
+/* Target-dependent code for NetBSD/sparc64.
+
+   Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
+   Based on code contributed by Wasabi Systems, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "frame.h"
+#include "frame-unwind.h"
+#include "gdbcore.h"
+#include "osabi.h"
+#include "regcache.h"
+#include "symtab.h"
+#include "solib-svr4.h"
+#include "trad-frame.h"
+
+#include "gdb_assert.h"
+#include "gdb_string.h"
+
+#include "sparc64-tdep.h"
+#include "nbsd-tdep.h"
+
+/* From <machine/reg.h>.  */
+const struct sparc_gregset sparc64nbsd_gregset =
+{
+  0 * 8,			/* "tstate" */
+  1 * 8,			/* %pc */
+  2 * 8,			/* %npc */
+  3 * 8,			/* %y */
+  -1,				/* %fprs */
+  -1,
+  5 * 8,			/* %g1 */
+  -1,				/* %l0 */
+  4				/* sizeof (%y) */
+};
+
+/* Size of `struct reg' and `struct fpreg'.  */
+static const int sparc64nbsd_sizeof_struct_reg = 160;
+static const int sparc64nbsd_sizeof_struct_fpreg = 272;
+
+static void
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+                      CORE_ADDR ignore)
+{
+  switch (which)
+    {
+    case 0:  /* Integer registers */
+      if (core_reg_size != sparc64nbsd_sizeof_struct_reg)
+	warning ("Wrong size register set in core file.");
+      else
+	sparc64_supply_gregset (&sparc64nbsd_gregset, current_regcache,
+				-1, core_reg_sect);
+      break;
+
+    case 2:  /* Floating pointer registers */
+      if (core_reg_size != sparc64nbsd_sizeof_struct_fpreg)
+	warning ("Wrong size FP register set in core file.");
+      else
+	sparc64_supply_fpregset (current_regcache, -1, core_reg_sect);
+      break;
+
+    default:
+      /* Don't know what kind of register request this is; just ignore it.  */
+      break;
+    }
+}
+
+static struct core_fns sparc64nbsd_core_fns =
+{
+  bfd_target_elf_flavour,		/* core_flavour */
+  default_check_format,			/* check_format */
+  default_core_sniffer,			/* core_sniffer */
+  fetch_core_registers,			/* core_read_registers */
+  NULL
+};
+
+/* Signal trampolines.  */
+
+/* The following variables describe the location of an on-stack signal
+   trampoline.  The current values correspond to the memory layout for
+   NetBSD 1.3 and up.  These shouldn't be necessary for NetBSD 2.0 and
+   up, since NetBSD uses signal trampolines provided by libc now.  */
+
+static const CORE_ADDR sparc64nbsd_sigtramp_start = 0xffffffffffffdee4ULL;
+static const CORE_ADDR sparc64nbsd_sigtramp_end = 0xffffffffffffe000ULL;
+
+static int
+sparc64nbsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
+{
+  if (pc >= sparc64nbsd_sigtramp_start && pc < sparc64nbsd_sigtramp_end)
+    return 1;
+
+  return nbsd_pc_in_sigtramp (pc, name);
+}
+
+static struct sparc_frame_cache *
+sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame,
+				    void **this_cache)
+{
+  struct sparc_frame_cache *cache;
+  CORE_ADDR addr, sigcontext_addr, sp;
+  LONGEST fprs;
+  int regnum, delta;
+
+  if (*this_cache)
+    return *this_cache;
+
+  cache = sparc_frame_cache (next_frame, this_cache);
+  gdb_assert (cache == *this_cache);
+
+  /* The registers are saved in bits and pieces scattered all over the
+     place.  The code below records their location on the assumption
+     that the part of the signal trampoline that saves the state has
+     been executed.  */
+
+  /* If we couldn't find the frame's function, we're probably dealing
+     with an on-stack signal trampoline.  */
+  if (cache->pc == 0)
+    {
+      cache->pc = sparc64nbsd_sigtramp_start;
+
+      /* Since we couldn't find the frame's function, the cache was
+         initialized under the assumption that we're frameless.  */
+      cache->frameless_p = 0;
+      addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
+      cache->base = addr;
+    }
+
+  cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+
+  /* We find the appropriate instance of `struct sigcontext' at a
+     fixed offset in the signal frame.  */
+  sigcontext_addr = cache->base + BIAS + 128 + 8;
+
+  cache->saved_regs[SPARC_SP_REGNUM].addr = sigcontext_addr + 8;
+  cache->saved_regs[SPARC64_PC_REGNUM].addr = sigcontext_addr + 16;
+  cache->saved_regs[SPARC64_NPC_REGNUM].addr = sigcontext_addr + 24;
+  cache->saved_regs[SPARC64_STATE_REGNUM].addr = sigcontext_addr + 32;
+  cache->saved_regs[SPARC_G1_REGNUM].addr = sigcontext_addr + 40;
+  cache->saved_regs[SPARC_O0_REGNUM].addr = sigcontext_addr + 48;
+
+  /* The remaining `global' registers and %y are saved in the `local'
+     registers.  */
+  delta = SPARC_L0_REGNUM - SPARC_G0_REGNUM;
+  for (regnum = SPARC_G2_REGNUM; regnum <= SPARC_G7_REGNUM; regnum++)
+    cache->saved_regs[regnum].realreg = regnum + delta;
+  cache->saved_regs[SPARC64_Y_REGNUM].realreg = SPARC_L1_REGNUM;
+
+  /* The remaining `out' registers can be found in the current frame's
+     `in' registers.  */
+  delta = SPARC_I0_REGNUM - SPARC_O0_REGNUM;
+  for (regnum = SPARC_O1_REGNUM; regnum <= SPARC_O5_REGNUM; regnum++)
+    cache->saved_regs[regnum].realreg = regnum + delta;
+  cache->saved_regs[SPARC_O7_REGNUM].realreg = SPARC_I7_REGNUM;
+
+  /* The `local' and `in' registers have been saved in the register
+     save area.  */
+  addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
+  sp = get_frame_memory_unsigned (next_frame, addr, 8);
+  for (regnum = SPARC_L0_REGNUM, addr = sp + BIAS;
+       regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
+    cache->saved_regs[regnum].addr = addr;
+
+  /* TODO: Handle the floating-point registers.  */
+
+  return cache;
+}
+
+static void
+sparc64nbsd_sigcontext_frame_this_id (struct frame_info *next_frame,
+				      void **this_cache,
+				      struct frame_id *this_id)
+{
+  struct sparc_frame_cache *cache =
+    sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache);
+
+  (*this_id) = frame_id_build (cache->base, cache->pc);
+}
+
+static void
+sparc64nbsd_sigcontext_frame_prev_register (struct frame_info *next_frame,
+					    void **this_cache,
+					    int regnum, int *optimizedp,
+					    enum lval_type *lvalp,
+					    CORE_ADDR *addrp,
+					    int *realnump, void *valuep)
+{
+  struct sparc_frame_cache *cache =
+    sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache);
+
+  trad_frame_prev_register (next_frame, cache->saved_regs, regnum,
+			    optimizedp, lvalp, addrp, realnump, valuep);
+}
+
+static const struct frame_unwind sparc64nbsd_sigcontext_frame_unwind =
+{
+  SIGTRAMP_FRAME,
+  sparc64nbsd_sigcontext_frame_this_id,
+  sparc64nbsd_sigcontext_frame_prev_register
+};
+
+static const struct frame_unwind *
+sparc64nbsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
+{
+  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  char *name;
+
+  find_pc_partial_function (pc, &name, NULL, NULL);
+  if (sparc64nbsd_pc_in_sigtramp (pc, name))
+    {
+      if (name == NULL || strncmp (name, "__sigtramp_sigcontext", 21))
+	return &sparc64nbsd_sigcontext_frame_unwind;
+    }
+
+  return NULL;
+}
+
+
+static void
+sparc64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  set_gdbarch_pc_in_sigtramp (gdbarch, sparc64nbsd_pc_in_sigtramp);
+  frame_unwind_append_sniffer (gdbarch, sparc64nbsd_sigtramp_frame_sniffer);
+
+  sparc64_init_abi (info, gdbarch);
+
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, nbsd_lp64_solib_svr4_fetch_link_map_offsets);
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_sparc64nbsd_tdep (void);
+
+void
+_initialize_sparc64nbsd_tdep (void)
+{
+  gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
+			  GDB_OSABI_NETBSD_ELF, sparc64nbsd_init_abi);
+
+  add_core_fns (&sparc64nbsd_core_fns);
+}