* dwarf2loc.c (dwarf_expr_frame_base): Error out on missing

[deliverable/binutils-gdb.git] / gdb / amd64obsd-tdep.c

diff --git a/gdb/amd64obsd-tdep.c b/gdb/amd64obsd-tdep.c
index 39626810fd325f200be393f72979ff6fda61bbeb..1a0cfac22a3d9ae51a6d6ed9c634e62bf07027ed 100644 (file)
--- a/gdb/amd64obsd-tdep.c
+++ b/gdb/amd64obsd-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for OpenBSD/amd64.
 
-   Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -79,13 +79,13 @@ amd64obsd_regset_from_core_section (struct gdbarch *gdbarch,
 /* Default page size.  */
 static const int amd64obsd_page_size = 4096;
 
-/* Return whether the frame preceding NEXT_FRAME corresponds to an
-   OpenBSD sigtramp routine.  */
+/* Return whether THIS_FRAME corresponds to an OpenBSD sigtramp
+   routine.  */
 
 static int
-amd64obsd_sigtramp_p (struct frame_info *next_frame)
+amd64obsd_sigtramp_p (struct frame_info *this_frame)
 {
-  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  CORE_ADDR pc = get_frame_pc (this_frame);
   CORE_ADDR start_pc = (pc & ~(amd64obsd_page_size - 1));
   const gdb_byte sigreturn[] =
   {
@@ -110,7 +110,7 @@ amd64obsd_sigtramp_p (struct frame_info *next_frame)
 
   /* If we can't read the instructions at START_PC, return zero.  */
   buf = alloca ((sizeof sigreturn) + 1);
-  if (!safe_frame_unwind_memory (next_frame, start_pc + 6, buf, buflen))
+  if (!safe_frame_unwind_memory (this_frame, start_pc + 6, buf, buflen))
     return 0;
 
   /* Check for sigreturn(2).  Depending on how the assembler encoded
@@ -123,13 +123,13 @@ amd64obsd_sigtramp_p (struct frame_info *next_frame)
   return 1;
 }
 
-/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
-   routine, return the address of the associated sigcontext structure.  */
+/* Assuming THIS_FRAME is for a BSD sigtramp routine, return the
+   address of the associated sigcontext structure.  */
 
 static CORE_ADDR
-amd64obsd_sigcontext_addr (struct frame_info *next_frame)
+amd64obsd_sigcontext_addr (struct frame_info *this_frame)
 {
-  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  CORE_ADDR pc = get_frame_pc (this_frame);
   ULONGEST offset = (pc & (amd64obsd_page_size - 1));
 
   /* The %rsp register points at `struct sigcontext' upon entry of a
@@ -145,9 +145,9 @@ amd64obsd_sigcontext_addr (struct frame_info *next_frame)
      instruction clobbers %rsp, but its value is saved in `%rdi'.  */
 
   if (offset > 5)
-    return frame_unwind_register_unsigned (next_frame, AMD64_RDI_REGNUM);
+    return get_frame_register_unsigned (this_frame, AMD64_RDI_REGNUM);
   else
-    return frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);
+    return get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);
 }
 \f
 /* OpenBSD 3.5 or later.  */
@@ -340,7 +340,7 @@ amd64obsd_collect_uthread (const struct regcache *regcache,
 #define amd64obsd_tf_reg_offset amd64obsd_sc_reg_offset
 
 static struct trad_frame_cache *
-amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
+amd64obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
 {
   struct trad_frame_cache *cache;
   CORE_ADDR func, sp, addr;
@@ -351,13 +351,11 @@ amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
   if (*this_cache)
     return *this_cache;
 
-  cache = trad_frame_cache_zalloc (next_frame);
+  cache = trad_frame_cache_zalloc (this_frame);
   *this_cache = cache;
 
-  /* NORMAL_FRAME matches the type in amd64obsd_trapframe_unwind, but
-     SIGTRAMP_FRAME might be more appropriate.  */
-  func = frame_func_unwind (next_frame, NORMAL_FRAME);
-  sp = frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);
+  func = get_frame_func (this_frame);
+  sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);
 
   find_pc_partial_function (func, &name, NULL, NULL);
   if (name && strncmp (name, "Xintr", 5) == 0)
@@ -387,32 +385,28 @@ amd64obsd_trapframe_cache(struct frame_info *next_frame, void **this_cache)
 }
 
 static void
-amd64obsd_trapframe_this_id (struct frame_info *next_frame,
+amd64obsd_trapframe_this_id (struct frame_info *this_frame,
                             void **this_cache, struct frame_id *this_id)
 {
   struct trad_frame_cache *cache =
-    amd64obsd_trapframe_cache (next_frame, this_cache);
+    amd64obsd_trapframe_cache (this_frame, this_cache);
   
   trad_frame_get_id (cache, this_id);
 }
 
-static void
-amd64obsd_trapframe_prev_register (struct frame_info *next_frame,
-                                  void **this_cache, int regnum,
-                                  int *optimizedp, enum lval_type *lvalp,
-                                  CORE_ADDR *addrp, int *realnump,
-                                  gdb_byte *valuep)
+static struct value *
+amd64obsd_trapframe_prev_register (struct frame_info *this_frame,
+                                  void **this_cache, int regnum)
 {
   struct trad_frame_cache *cache =
-    amd64obsd_trapframe_cache (next_frame, this_cache);
+    amd64obsd_trapframe_cache (this_frame, this_cache);
 
-  trad_frame_get_register (cache, next_frame, regnum,
-                          optimizedp, lvalp, addrp, realnump, valuep);
+  return trad_frame_get_register (cache, this_frame, regnum);
 }
 
 static int
 amd64obsd_trapframe_sniffer (const struct frame_unwind *self,
-                            struct frame_info *next_frame,
+                            struct frame_info *this_frame,
                             void **this_prologue_cache)
 {
   ULONGEST cs;
@@ -420,11 +414,11 @@ amd64obsd_trapframe_sniffer (const struct frame_unwind *self,
 
   /* Check Current Privilege Level and bail out if we're not executing
      in kernel space.  */
-  cs = frame_unwind_register_unsigned (next_frame, AMD64_CS_REGNUM);
+  cs = get_frame_register_unsigned (this_frame, AMD64_CS_REGNUM);
   if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
     return 0;
 
-  find_pc_partial_function (frame_pc_unwind (next_frame), &name, NULL, NULL);
+  find_pc_partial_function (get_frame_pc (this_frame), &name, NULL, NULL);
   return (name && ((strcmp (name, "calltrap") == 0)
                   || (strcmp (name, "osyscall1") == 0)
                   || (strcmp (name, "Xsyscall") == 0)