* alpha-nat.c (REGISTER_PTRACE_ADDR): Merge into ...

	(register_addr): ... here.  Support ALPHA_UNIQUE_REGNUM.
	(fetch_elf_core_registers): Support ALPHA_UNIQUE_REGNUM.
	* alpha-tdep.c (alpha_register_name): Add "unique".
	* alpha-tdep.h (ALPHA_NUM_REGS): Increment.
	(ALPHA_UNIQUE_REGNUM): New.
	* config/alpha/nm-linux.h (ALPHA_UNIQUE_PTRACE_ADDR): New.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a01a894386d4ec727574593649675dc678ebb538..4c225a9cffec1d022a1b0613e793d3d85cfb0f82 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2003-01-31  Richard Henderson  <rth@redhat.com>
+
+       * alpha-nat.c (REGISTER_PTRACE_ADDR): Merge into ...
+       (register_addr): ... here.  Support ALPHA_UNIQUE_REGNUM.
+       (fetch_elf_core_registers): Support ALPHA_UNIQUE_REGNUM.
+       * alpha-tdep.c (alpha_register_name): Add "unique".
+       * alpha-tdep.h (ALPHA_NUM_REGS): Increment.
+       (ALPHA_UNIQUE_REGNUM): New.
+       * config/alpha/nm-linux.h (ALPHA_UNIQUE_PTRACE_ADDR): New.
+
 2003-01-31  Andrew Cagney  <ac131313@redhat.com>
 
        * README: Remove reference to Ericsson 1800 monitor.

diff --git a/gdb/alpha-nat.c b/gdb/alpha-nat.c
index f315508ddb0b69fb554867239d8ae156aff1c758..548869b2fa81f91c54e155b47e002fede7ce4ad3 100644 (file)
--- a/gdb/alpha-nat.c
+++ b/gdb/alpha-nat.c
@@ -1,5 +1,5 @@
 /* Low level Alpha interface, for GDB when running native.
-   Copyright 1993, 1995, 1996, 1998, 1999, 2000, 2001
+   Copyright 1993, 1995, 1996, 1998, 1999, 2000, 2001, 2003
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -149,25 +149,36 @@ fetch_elf_core_registers (char *core_reg_sect, unsigned core_reg_size,
       memset (&deprecated_registers[REGISTER_BYTE (ALPHA_ZERO_REGNUM)], 0, 8);
       memset (&deprecated_register_valid[ALPHA_V0_REGNUM], 1, 32);
       deprecated_register_valid[PC_REGNUM] = 1;
+
+      if (core_reg_size >= 33 * 8)
+       {
+         memcpy (&deprecated_registers[REGISTER_BYTE (ALPHA_UNIQUE_REGNUM)],
+                 core_reg_sect + 32 * 8, 8);
+         deprecated_register_valid[ALPHA_UNIQUE_REGNUM] = 1;
+       }
     }
 }
 
 
 /* Map gdb internal register number to a ptrace ``address''.
-   These ``addresses'' are defined in <sys/ptrace.h> */
+   These ``addresses'' are defined in <sys/ptrace.h>, with
+   the exception of ALPHA_UNIQUE_PTRACE_ADDR.  */
 
-#define REGISTER_PTRACE_ADDR(regno) \
-   (regno < FP0_REGNUM ?       GPR_BASE + (regno) \
-  : regno == PC_REGNUM ?       PC      \
-  : regno >= FP0_REGNUM ?      FPR_BASE + ((regno) - FP0_REGNUM) \
-  : 0)
-
-/* Return the ptrace ``address'' of register REGNO. */
+#ifndef ALPHA_UNIQUE_PTRACE_ADDR
+#define ALPHA_UNIQUE_PTRACE_ADDR 0
+#endif
 
 CORE_ADDR
 register_addr (int regno, CORE_ADDR blockend)
 {
-  return REGISTER_PTRACE_ADDR (regno);
+  if (regno == PC_REGNUM)
+    return PC;
+  if (regno == ALPHA_UNIQUE_REGNUM)
+    return ALPHA_UNIQUE_PTRACE_ADDR;
+  if (regno < FP0_REGNUM)
+    return GPR_BASE + regno;
+  else
+    return FPR_BASE + regno - FP0_REGNUM;
 }
 
 int

diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 9cca20dab9b146523ede09a5cec130b3b50b9c55..cf5abc84372445c7f80387f23bbfa468a4129651 100644 (file)
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -288,7 +288,7 @@ alpha_register_name (int regno)
     "f8",   "f9",   "f10",  "f11",  "f12",  "f13",  "f14",  "f15",
     "f16",  "f17",  "f18",  "f19",  "f20",  "f21",  "f22",  "f23",
     "f24",  "f25",  "f26",  "f27",  "f28",  "f29",  "f30",  "fpcr",
-    "pc",   "vfp",
+    "pc",   "vfp",  "unique",
   };
 
   if (regno < 0)

diff --git a/gdb/alpha-tdep.h b/gdb/alpha-tdep.h
index 6a75ca7c1a0697e0eb06483fd12160c79f144b46..76f91f32bf40cf279b0935810a1fc5d9d57dcae9 100644 (file)
--- a/gdb/alpha-tdep.h
+++ b/gdb/alpha-tdep.h
@@ -28,7 +28,7 @@
 #define ALPHA_REGISTER_SIZE 8
 
 /* Number of machine registers.  */
-#define ALPHA_NUM_REGS 66
+#define ALPHA_NUM_REGS 67
 
 /* Total amount of space needed to store our copies of the machine's
    register state.  */
@@ -61,6 +61,7 @@
 #define ALPHA_FPCR_REGNUM   63  /* Floating point control register */
 #define ALPHA_PC_REGNUM     64  /* Contains program counter */
 #define ALPHA_FP_REGNUM     65  /* Virtual frame pointer */
+#define ALPHA_UNIQUE_REGNUM 66 /* PAL_rduniq value */
 
 /* The alpha has two different virtual pointers for arguments and locals.
    

diff --git a/gdb/config/alpha/nm-linux.h b/gdb/config/alpha/nm-linux.h
index fed32e7930be311ae28e79cdf21fab83a8d05cf5..9e99b33cd1f3a350e1a4ddffb48b81acea3d41be 100644 (file)
--- a/gdb/config/alpha/nm-linux.h
+++ b/gdb/config/alpha/nm-linux.h
@@ -1,7 +1,7 @@
 /* Native definitions for alpha running GNU/Linux.
 
-   Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002 Free Software
-   Foundation, Inc.
+   Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002, 2003
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -45,4 +45,7 @@
    pointer to the first register.  */
 #define ALPHA_REGSET_BASE(regsetp)  ((long *) (regsetp))
 
+/* The address of UNIQUE for ptrace.  */
+#define ALPHA_UNIQUE_PTRACE_ADDR 65
+
 #endif /* NM_LINUX_H */