* acconfig.h (HAVE_PT_GETXMMREGS): New.

* config.in: Regenerate.
* configure.in: Update copyright years.
Add test for PT_GETXMMREGS supplied by <sys/ptrace.h>.
* configure: Regenerate.
* i386bsd-nat.c: Update copyright years.
(fill_gregset): Use regcache_collect.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so.  Add support for XMM registers
using PT_GETXMMREGS.
(store_inferior_registers): Only store integer registers
if requested to do so.  Add support for XMM registers
using PT_SETXMMREGS.
* i386nbsd-nat.c (fetch_inferior_registers): Remove.
(store_inferior_registers): Remove.
(fetch_core_registers): Use supply_gregset and i387_supply_fsave.
(fetch_elfcore_registers): New function.
(i386nbsd_elfcore_fns): New.
(_initialize_i386nbsd_nat): Register i386nbsd_elfcore_fns.
* config/i386/nbsd.mh (NATDEPFILES): Add i387-nat.o and
i386bsd-nat.o.
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
* config/i386/nbsd.mt (TDEPFILES): Add i386bsd-nat.o.
* config/i386/nbsdelf.mt (TDEPFILES): Likewise.
* config/i386/tm-nbsd.h: Update copyright years.
(HAVE_SSE_REGS): Define.
(IN_SIGTRAMP): Define as i386bsd_in_sigtramp.
(SIGTRAMP_START): Redefine as i386bsd_sigtramp_start.
(SIGTRAMP_END): Redefine as i386bsd_sigtramp_end.
(SIGCONTEXT_PC_OFFSET): Remove.
(FRAME_SAVED_PC): Define as i386bsd_frame_saved_pc.

1 files changed, 71 insertions, 147 deletions

diff --git a/gdb/i386nbsd-nat.c b/gdb/i386nbsd-nat.c
index a3d5d63..32a3d78 100644
--- a/gdb/i386nbsd-nat.c
+++ b/gdb/i386nbsd-nat.c
@@ -25,136 +25,26 @@
 #include <machine/reg.h>
 #include <machine/frame.h>
 #include "inferior.h"
-#include "gdbcore.h" /* for registers_fetched() */
+#include "gdbcore.h"
 #include "regcache.h"
 
-/* Defines for XMM0_REGNUM etc. */
-#include "i386-tdep.h"
-
-#define RF(dst, src) \
-	memcpy(&registers[REGISTER_BYTE(dst)], &src, sizeof(src))
-
-#define RS(src, dst) \
-	memcpy(&dst, &registers[REGISTER_BYTE(src)], sizeof(dst))
-     
-struct env387
-  {
-    unsigned short control;
-    unsigned short r0;
-    unsigned short status;
-    unsigned short r1;
-    unsigned short tag;  
-    unsigned short r2;
-    unsigned long eip;
-    unsigned short code_seg;
-    unsigned short opcode;
-    unsigned long operand; 
-    unsigned short operand_seg;
-    unsigned short r3;
-    unsigned char regs[8][10];
-  };
+#ifndef HAVE_GREGSET_T
+typedef struct reg gregset_t;
+#endif
 
-void
-fetch_inferior_registers (int regno)
-{
-  struct reg inferior_registers;
-  struct env387 inferior_fpregisters;
-
-  ptrace (PT_GETREGS, PIDGET (inferior_ptid),
-	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-  ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
-	  (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
-
-  RF ( 0, inferior_registers.r_eax);
-  RF ( 1, inferior_registers.r_ecx);
-  RF ( 2, inferior_registers.r_edx);
-  RF ( 3, inferior_registers.r_ebx);
-  RF ( 4, inferior_registers.r_esp);
-  RF ( 5, inferior_registers.r_ebp);
-  RF ( 6, inferior_registers.r_esi);
-  RF ( 7, inferior_registers.r_edi);
-  RF ( 8, inferior_registers.r_eip);
-  RF ( 9, inferior_registers.r_eflags);
-  RF (10, inferior_registers.r_cs);
-  RF (11, inferior_registers.r_ss);
-  RF (12, inferior_registers.r_ds);
-  RF (13, inferior_registers.r_es);
-  RF (14, inferior_registers.r_fs);
-  RF (15, inferior_registers.r_gs);
-
-  RF (FP0_REGNUM,     inferior_fpregisters.regs[0]);
-  RF (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
-  RF (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
-  RF (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
-  RF (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
-  RF (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
-  RF (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
-  RF (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
-
-  RF (FCTRL_REGNUM,   inferior_fpregisters.control);
-  RF (FSTAT_REGNUM,   inferior_fpregisters.status);
-  RF (FTAG_REGNUM,    inferior_fpregisters.tag);
-  RF (FCS_REGNUM,     inferior_fpregisters.code_seg);
-  RF (FCOFF_REGNUM,   inferior_fpregisters.eip);
-  RF (FDS_REGNUM,     inferior_fpregisters.operand_seg);
-  RF (FDOFF_REGNUM,   inferior_fpregisters.operand);
-  RF (FOP_REGNUM,     inferior_fpregisters.opcode);
-
-  registers_fetched ();
-}
+#ifndef HAVE_FPREGSET_T
+typedef struct fpreg fpregset_t;
+#endif
+
+#include "gregset.h"
+
+/* Prototypes for i387_supply_fsave etc.  */
+#include "i387-nat.h"  
 
-void
-store_inferior_registers (int regno)
-{
-  struct reg inferior_registers;
-  struct env387 inferior_fpregisters;
-
-  RS ( 0, inferior_registers.r_eax);
-  RS ( 1, inferior_registers.r_ecx);
-  RS ( 2, inferior_registers.r_edx);
-  RS ( 3, inferior_registers.r_ebx);
-  RS ( 4, inferior_registers.r_esp);
-  RS ( 5, inferior_registers.r_ebp);
-  RS ( 6, inferior_registers.r_esi);
-  RS ( 7, inferior_registers.r_edi);
-  RS ( 8, inferior_registers.r_eip);
-  RS ( 9, inferior_registers.r_eflags);
-  RS (10, inferior_registers.r_cs);
-  RS (11, inferior_registers.r_ss);
-  RS (12, inferior_registers.r_ds);
-  RS (13, inferior_registers.r_es);
-  RS (14, inferior_registers.r_fs);
-  RS (15, inferior_registers.r_gs);
-
-  
-  RS (FP0_REGNUM,     inferior_fpregisters.regs[0]);
-  RS (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
-  RS (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
-  RS (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
-  RS (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
-  RS (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
-  RS (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
-  RS (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
-
-  RS (FCTRL_REGNUM,   inferior_fpregisters.control);
-  RS (FSTAT_REGNUM,   inferior_fpregisters.status);
-  RS (FTAG_REGNUM,    inferior_fpregisters.tag);
-  RS (FCS_REGNUM,     inferior_fpregisters.code_seg);
-  RS (FCOFF_REGNUM,   inferior_fpregisters.eip);
-  RS (FDS_REGNUM,     inferior_fpregisters.operand_seg);
-  RS (FDOFF_REGNUM,   inferior_fpregisters.operand);
-  RS (FOP_REGNUM,     inferior_fpregisters.opcode);
-  
-  ptrace (PT_SETREGS, PIDGET (inferior_ptid),
-	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-  ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
-	  (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
-}
-
 struct md_core
 {
   struct reg intreg;
-  struct env387 freg;
+  char freg[108];
 };
 
 static void
@@ -163,30 +53,54 @@ fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
 {
   struct md_core *core_reg = (struct md_core *) core_reg_sect;
 
-  /* integer registers */
-  memcpy (&registers[REGISTER_BYTE (0)], &core_reg->intreg,
-	  sizeof (struct reg));
-
-  /* floating point registers */
-  RF (FP0_REGNUM,     core_reg->freg.regs[0]);
-  RF (FP0_REGNUM + 1, core_reg->freg.regs[1]);
-  RF (FP0_REGNUM + 2, core_reg->freg.regs[2]);
-  RF (FP0_REGNUM + 3, core_reg->freg.regs[3]);
-  RF (FP0_REGNUM + 4, core_reg->freg.regs[4]);
-  RF (FP0_REGNUM + 5, core_reg->freg.regs[5]);
-  RF (FP0_REGNUM + 6, core_reg->freg.regs[6]);
-  RF (FP0_REGNUM + 7, core_reg->freg.regs[7]);
-
-  RF (FCTRL_REGNUM,   core_reg->freg.control);
-  RF (FSTAT_REGNUM,   core_reg->freg.status);
-  RF (FTAG_REGNUM,    core_reg->freg.tag);
-  RF (FCS_REGNUM,     core_reg->freg.code_seg);
-  RF (FCOFF_REGNUM,   core_reg->freg.eip);
-  RF (FDS_REGNUM,     core_reg->freg.operand_seg);
-  RF (FDOFF_REGNUM,   core_reg->freg.operand);
-  RF (FOP_REGNUM,     core_reg->freg.opcode);
-
-  registers_fetched ();
+  /* We get everything from one section.  */
+  if (which != 0)
+    return;
+
+  /* Integer registers.  */
+  supply_gregset (&core_reg->intreg);
+
+  /* Floating point registers.  */
+  i387_supply_fsave (core_reg->freg);
+}
+
+static void
+fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+                         CORE_ADDR ignore)
+{
+  gregset_t gregset;
+
+  switch (which)
+    {
+    case 0:  /* Integer registers.  */
+      if (core_reg_size != sizeof (struct reg))
+	warning ("Wrong size register set in core file.");
+      else
+	{
+	  memcpy (&gregset, core_reg_sect, sizeof (gregset));
+	  supply_gregset (&gregset);
+	}
+      break;
+
+    case 2:  /* Floating point registers.  */
+      if (core_reg_size != 108)
+	warning ("Wrong size FP register set in core file.");
+      else
+	i387_supply_fsave (core_reg_sect);
+      break;
+
+    case 3:  /* "Extended" floating point registers.  This is gdb-speak
+		for SSE/SSE2. */
+      if (core_reg_size != 512)
+	warning ("Wrong size XMM register set in core file.");
+      else
+	i387_supply_fxsave (core_reg_sect);
+      break;
+
+    default:
+      /* Don't know what kind of register request this is; just ignore it.  */
+      break;
+    }
 }
 
 /* Register that we are able to handle i386nbsd core file formats.
@@ -201,8 +115,18 @@ static struct core_fns i386nbsd_core_fns =
   NULL					/* next */
 };
 
+static struct core_fns i386nbsd_elfcore_fns =
+{
+  bfd_target_elf_flavour,		/* core_flavour */
+  default_check_format,			/* check_format */
+  default_core_sniffer,			/* core_sniffer */
+  fetch_elfcore_registers,		/* core_read_registers */
+  NULL					/* next */
+};
+
 void
 _initialize_i386nbsd_nat (void)
 {
   add_core_fns (&i386nbsd_core_fns);
+  add_core_fns (&i386nbsd_elfcore_fns);
 }