* gdb.texinfo (Continuing and Stepping): When talking about "step"

[deliverable/binutils-gdb.git] / gdb / sparc-nat.c

diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index 5fcdb92aad27b564a51c6ae4f4f811267c57a3c4..3f2768307cee87b8cf2923046c5d9c02f94b8e96 100644 (file)
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -1,5 +1,5 @@
-/* Functions specific to running gdb native on a Sun 4 running sunos4.
-   Copyright (C) 1989, 1992, Free Software Foundation, Inc.
+/* Functions specific to running gdb native on a SPARC running SunOS4.
+   Copyright 1989, 1992, 1993, 1994 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -85,12 +85,13 @@ fetch_inferior_registers (regno)
         all the regs every time it is called!  FIXME.  */
       register_valid[WIM_REGNUM] = 1;  /* Not true yet, FIXME */
       register_valid[TBR_REGNUM] = 1;  /* Not true yet, FIXME */
-      register_valid[FPS_REGNUM] = 1;  /* Not true yet, FIXME */
       register_valid[CPS_REGNUM] = 1;  /* Not true yet, FIXME */
     }
 
   /* Floating point registers */
-  if (regno == -1 || (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
+  if (regno == -1 ||
+      regno == FPS_REGNUM ||
+      (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
     {
       if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
                       (PTRACE_ARG3_TYPE) &inferior_fp_registers,
@@ -153,6 +154,8 @@ store_inferior_registers (regno)
          wanna_store = INT_REGS + STACK_REGS;
        else if (regno < L0_REGNUM || regno > I7_REGNUM)
          wanna_store = INT_REGS;
+       else if (regno == FPS_REGNUM)
+         wanna_store = FP_REGS;
        else
          wanna_store = STACK_REGS;
       }
@@ -222,20 +225,10 @@ store_inferior_registers (regno)
   if (wanna_store & FP_REGS)
     {
       if (!register_valid[FP0_REGNUM+9]) abort();
-      /* Initialize inferior_fp_registers members that gdb doesn't set
-        by reading them from the inferior.  This may not be needed
-        any more, now that we set Fpu_fsr.  */
-      if (0 !=
-        ptrace (PTRACE_GETFPREGS, inferior_pid,
-                (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
-        perror("ptrace_getfpregs");
-
       memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
              sizeof inferior_fp_registers.fpu_fr);
-
       memcpy (&inferior_fp_registers.Fpu_fsr, 
              &registers[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
-
       if (0 !=
         ptrace (PTRACE_SETFPREGS, inferior_pid,
                 (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))