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[deliverable/binutils-gdb.git] / gdb / inf-ptrace.c

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 19826bd533c35b69cb4cdac963cb9dc8f7fdcc50..8acc690eb5d83b22102c041dce93df0ed846fd77 100644 (file)
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -1,14 +1,14 @@
 /* Low-level child interface to ptrace.
 
    Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
-   1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
+   1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, 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
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -17,9 +17,7 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "command.h"
@@ -619,14 +617,16 @@ static CORE_ADDR (*inf_ptrace_register_u_offset)(struct gdbarch *, int, int);
 static void
 inf_ptrace_fetch_register (struct regcache *regcache, int regnum)
 {
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   CORE_ADDR addr;
   size_t size;
   PTRACE_TYPE_RET *buf;
   int pid, i;
 
   /* This isn't really an address, but ptrace thinks of it as one.  */
-  addr = inf_ptrace_register_u_offset (current_gdbarch, regnum, 0);
-  if (addr == (CORE_ADDR)-1 || CANNOT_FETCH_REGISTER (regnum))
+  addr = inf_ptrace_register_u_offset (gdbarch, regnum, 0);
+  if (addr == (CORE_ADDR)-1
+      || gdbarch_cannot_fetch_register (gdbarch, regnum))
     {
       regcache_raw_supply (regcache, regnum, NULL);
       return;
@@ -638,7 +638,7 @@ inf_ptrace_fetch_register (struct regcache *regcache, int regnum)
   if (pid == 0)
     pid = ptid_get_pid (inferior_ptid);
 
-  size = register_size (current_gdbarch, regnum);
+  size = register_size (gdbarch, regnum);
   gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
   buf = alloca (size);
 
@@ -649,7 +649,8 @@ inf_ptrace_fetch_register (struct regcache *regcache, int regnum)
       buf[i] = ptrace (PT_READ_U, pid, (PTRACE_TYPE_ARG3)(uintptr_t)addr, 0);
       if (errno != 0)
        error (_("Couldn't read register %s (#%d): %s."),
-              REGISTER_NAME (regnum), regnum, safe_strerror (errno));
+              gdbarch_register_name (gdbarch, regnum),
+              regnum, safe_strerror (errno));
 
       addr += sizeof (PTRACE_TYPE_RET);
     }
@@ -663,7 +664,9 @@ static void
 inf_ptrace_fetch_registers (struct regcache *regcache, int regnum)
 {
   if (regnum == -1)
-    for (regnum = 0; regnum < NUM_REGS; regnum++)
+    for (regnum = 0;
+        regnum < gdbarch_num_regs (get_regcache_arch (regcache));
+        regnum++)
       inf_ptrace_fetch_register (regcache, regnum);
   else
     inf_ptrace_fetch_register (regcache, regnum);
@@ -674,14 +677,16 @@ inf_ptrace_fetch_registers (struct regcache *regcache, int regnum)
 static void
 inf_ptrace_store_register (const struct regcache *regcache, int regnum)
 {
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   CORE_ADDR addr;
   size_t size;
   PTRACE_TYPE_RET *buf;
   int pid, i;
 
   /* This isn't really an address, but ptrace thinks of it as one.  */
-  addr = inf_ptrace_register_u_offset (current_gdbarch, regnum, 1);
-  if (addr == (CORE_ADDR)-1 || CANNOT_STORE_REGISTER (regnum))
+  addr = inf_ptrace_register_u_offset (gdbarch, regnum, 1);
+  if (addr == (CORE_ADDR)-1 
+      || gdbarch_cannot_store_register (gdbarch, regnum))
     return;
 
   /* Cater for systems like GNU/Linux, that implement threads as
@@ -690,7 +695,7 @@ inf_ptrace_store_register (const struct regcache *regcache, int regnum)
   if (pid == 0)
     pid = ptid_get_pid (inferior_ptid);
 
-  size = register_size (current_gdbarch, regnum);
+  size = register_size (gdbarch, regnum);
   gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
   buf = alloca (size);
 
@@ -702,7 +707,8 @@ inf_ptrace_store_register (const struct regcache *regcache, int regnum)
       ptrace (PT_WRITE_U, pid, (PTRACE_TYPE_ARG3)(uintptr_t)addr, buf[i]);
       if (errno != 0)
        error (_("Couldn't write register %s (#%d): %s."),
-              REGISTER_NAME (regnum), regnum, safe_strerror (errno));
+              gdbarch_register_name (gdbarch, regnum),
+              regnum, safe_strerror (errno));
 
       addr += sizeof (PTRACE_TYPE_RET);
     }
@@ -715,7 +721,9 @@ void
 inf_ptrace_store_registers (struct regcache *regcache, int regnum)
 {
   if (regnum == -1)
-    for (regnum = 0; regnum < NUM_REGS; regnum++)
+    for (regnum = 0;
+        regnum < gdbarch_num_regs (get_regcache_arch (regcache));
+        regnum++)
       inf_ptrace_store_register (regcache, regnum);
   else
     inf_ptrace_store_register (regcache, regnum);