For sparc64 target, use sparc cpu files and add sparcv9 to extra_defs. No

[binutils.git] / gdb / m88k-nat.c

diff --git a/gdb/m88k-nat.c b/gdb/m88k-nat.c
index bbbceb8c2ee199fe488aea4b47b380126ac2fab6..b16c52313de4977a885fa225f0df55c4716910bf 100644 (file)
--- a/gdb/m88k-nat.c
+++ b/gdb/m88k-nat.c
@@ -21,10 +21,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "frame.h"
 #include "inferior.h"
 
-#ifdef USG
 #include <sys/types.h>
-#endif
-
 #include <sys/param.h>
 #include <sys/dir.h>
 #include <signal.h>
@@ -44,7 +41,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "value.h"
 
 #ifdef DELTA88
-/* #include <sys/ptrace.h> */
+#include <sys/ptrace.h>
 
 /* define offsets to the pc instruction offsets in ptrace_user struct */
 #define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u)
@@ -117,60 +114,62 @@ store_inferior_registers (regno)
 
   struct USER u;
 
-
   unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
 
   regaddr = offset;
 
+  /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either
+     svr3 doesn't run on an 88110, or the kernel isolates the different (not
+     completely sure this is true, but seems to be.  */
   if (regno >= 0)
     {
-/*      regaddr = register_addr (regno, offset); */
-        if (regno < PC_REGNUM)
-           { 
-            regaddr = offset + regno * sizeof (int);
-             errno = 0;
-             ptrace (6, inferior_pid,
-                    (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
-             if (errno != 0)
-              {
-                sprintf (buf, "writing register number %d", regno);
-                perror_with_name (buf);
-              }
-           }
-       else if (regno == SXIP_REGNUM)
-             ptrace (6, inferior_pid,
-                    (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register(regno));
-       else if (regno == SNIP_REGNUM)
-            ptrace (6, inferior_pid,
-                    (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register(regno));
-       else if (regno == SFIP_REGNUM)
-            ptrace (6, inferior_pid,
-                    (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register(regno));
-       else printf ("Bad register number for store_inferior routine\n");
-    }
-  else { 
-         for (regno = 0; regno < NUM_REGS - 3; regno++)
-           {
       /*      regaddr = register_addr (regno, offset); */
-              errno = 0;
-              regaddr = offset + regno * sizeof (int);
-              ptrace (6, inferior_pid,
-                     (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
-              if (errno != 0)
-               {
-                 sprintf (buf, "writing register number %d", regno);
-                 perror_with_name (buf);
-               }
-           }
-        ptrace (6,inferior_pid,
-                (PTRACE_ARG3_TYPE) SXIP_OFFSET,read_register(SXIP_REGNUM));
-        ptrace (6,inferior_pid,
-                (PTRACE_ARG3_TYPE) SNIP_OFFSET,read_register(SNIP_REGNUM));
-        ptrace (6,inferior_pid,
-                (PTRACE_ARG3_TYPE) SFIP_OFFSET,read_register(SFIP_REGNUM));
-       }       
-           
-
+      if (regno < PC_REGNUM)
+       { 
+         regaddr = offset + regno * sizeof (int);
+         errno = 0;
+         ptrace (6, inferior_pid,
+                 (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
+         if (errno != 0)
+           {
+             sprintf (buf, "writing register number %d", regno);
+             perror_with_name (buf);
+           }
+       }
+      else if (regno == SXIP_REGNUM)
+       ptrace (6, inferior_pid,
+               (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register(regno));
+      else if (regno == SNIP_REGNUM)
+       ptrace (6, inferior_pid,
+               (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register(regno));
+      else if (regno == SFIP_REGNUM)
+       ptrace (6, inferior_pid,
+               (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register(regno));
+      else
+       printf_unfiltered ("Bad register number for store_inferior routine\n");
+    }
+  else
+    { 
+      for (regno = 0; regno < PC_REGNUM; regno++)
+       {
+         /*      regaddr = register_addr (regno, offset); */
+         errno = 0;
+         regaddr = offset + regno * sizeof (int);
+         ptrace (6, inferior_pid,
+                 (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
+         if (errno != 0)
+           {
+             sprintf (buf, "writing register number %d", regno);
+             perror_with_name (buf);
+           }
+       }
+      ptrace (6,inferior_pid,
+             (PTRACE_ARG3_TYPE) SXIP_OFFSET,read_register(SXIP_REGNUM));
+      ptrace (6,inferior_pid,
+             (PTRACE_ARG3_TYPE) SNIP_OFFSET,read_register(SNIP_REGNUM));
+      ptrace (6,inferior_pid,
+             (PTRACE_ARG3_TYPE) SFIP_OFFSET,read_register(SFIP_REGNUM));
+    }
 }
 
 
@@ -212,14 +211,75 @@ m88k_register_u_addr (blockend, regnum)
     case 28:
     case 29:
     case 30:
-    case 31:          return (ustart + ((int) &u.pt_r0 - (int) &u) + sizeof(REGISTER_TYPE) * regnum);
+    case 31:
+      return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum);
     case PSR_REGNUM:  return (ustart + ((int) &u.pt_psr - (int) &u));
     case FPSR_REGNUM: return (ustart + ((int) &u.pt_fpsr - (int) &u));
     case FPCR_REGNUM: return (ustart + ((int) &u.pt_fpcr - (int) &u));
     case SXIP_REGNUM: return (ustart + SXIP_OFFSET); 
     case SNIP_REGNUM: return (ustart + SNIP_OFFSET);
     case SFIP_REGNUM: return (ustart + SFIP_OFFSET); 
-    default: return (blockend + sizeof (REGISTER_TYPE) * regnum);
+    default: 
+       if (regnum < NUM_REGS)
+           /* The register is one of those which is not defined...
+              give it zero */
+           return (ustart + ((int) &u.pt_r0 - (int) &u));
+       else
+           return (blockend + REGISTER_SIZE * regnum);
     }
 }
 
+#ifdef USE_PROC_FS
+
+#include <sys/procfs.h>
+
+/*  Given a pointer to a general register set in /proc format (gregset_t *),
+    unpack the register contents and supply them as gdb's idea of the current
+    register values. */
+
+void
+supply_gregset (gregsetp)
+     gregset_t *gregsetp;
+{
+    register int regi;
+    register greg_t *regp = (greg_t *) gregsetp;
+
+    for (regi=0; regi <= SP_REGNUM; regi++)
+       supply_register (regi, (char *) (regp + regi));
+
+    supply_register (SXIP_REGNUM, (char *) (regp + R_XIP));
+    supply_register (SNIP_REGNUM, (char *) (regp + R_NIP));
+    supply_register (SFIP_REGNUM, (char *) (regp + R_FIP));
+    supply_register (PSR_REGNUM, (char *) (regp + R_PSR));
+    supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR));
+    supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR));
+}
+
+void
+fill_gregset (gregsetp, regno)
+     gregset_t *gregsetp;
+     int regno;
+{
+    int regi;
+    register greg_t *regp = (greg_t *) gregsetp;
+    extern char registers[];
+
+    for (regi = 0 ; regi <= R_R31 ; regi++)
+       if ((regno == -1) || (regno == regi))
+           *(regp + regi) = *(int *) &registers[REGISTER_BYTE(regi)];
+
+    if ((regno == -1) || (regno == SXIP_REGNUM))
+       *(regp + R_XIP) = *(int *) &registers[REGISTER_BYTE(SXIP_REGNUM)];
+    if ((regno == -1) || (regno == SNIP_REGNUM))
+       *(regp + R_NIP) = *(int *) &registers[REGISTER_BYTE(SNIP_REGNUM)];
+    if ((regno == -1) || (regno == SFIP_REGNUM))
+       *(regp + R_FIP) = *(int *) &registers[REGISTER_BYTE(SFIP_REGNUM)];
+    if ((regno == -1) || (regno == PSR_REGNUM))
+       *(regp + R_PSR) = *(int *) &registers[REGISTER_BYTE(PSR_REGNUM)];
+    if ((regno == -1) || (regno == FPSR_REGNUM))
+       *(regp + R_FPSR) = *(int *) &registers[REGISTER_BYTE(FPSR_REGNUM)];
+    if ((regno == -1) || (regno == FPCR_REGNUM))
+       *(regp + R_FPCR) = *(int *) &registers[REGISTER_BYTE(FPCR_REGNUM)];
+}
+
+#endif /* USE_PROC_FS */