* gdb.mi/mi-var-cmd.exp: Correct test name. Allow any value for

[deliverable/binutils-gdb.git] / gdb / s390-tdep.c

diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index b7b372d4c2eed821bb4182192b994f5feb1c85c6..395c57e7b17bc61b60423adc31ebc2e2c4becdbc 100644 (file)
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GDB, the GNU debugger.
 
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
 
    Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
@@ -306,36 +306,17 @@ s390x_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
 /* 'float' values are stored in the upper half of floating-point
    registers, even though we are otherwise a big-endian platform.  */
 
-static int
-s390_convert_register_p (int regno, struct type *type)
+static struct value *
+s390_value_from_register (struct type *type, int regnum,
+                         struct frame_info *frame)
 {
-  return (regno >= S390_F0_REGNUM && regno <= S390_F15_REGNUM)
-        && TYPE_LENGTH (type) < 8;
-}
+  struct value *value = default_value_from_register (type, regnum, frame);
+  int len = TYPE_LENGTH (type);
 
-static void
-s390_register_to_value (struct frame_info *frame, int regnum,
-                        struct type *valtype, gdb_byte *out)
-{
-  gdb_byte in[8];
-  int len = TYPE_LENGTH (valtype);
-  gdb_assert (len < 8);
+  if (regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM && len < 8)
+    set_value_offset (value, 0);
 
-  get_frame_register (frame, regnum, in);
-  memcpy (out, in, len);
-}
-
-static void
-s390_value_to_register (struct frame_info *frame, int regnum,
-                        struct type *valtype, const gdb_byte *in)
-{
-  gdb_byte out[8];
-  int len = TYPE_LENGTH (valtype);
-  gdb_assert (len < 8);
-
-  memset (out, 0, 8);
-  memcpy (out, in, len);
-  put_frame_register (frame, regnum, out);
+  return value;
 }
 
 /* Register groups.  */
@@ -567,12 +548,12 @@ s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
   static int s390_instrlen[] = { 2, 4, 4, 6 };
   int instrlen;
 
-  if (deprecated_read_memory_nobpt (at, &instr[0], 2))
+  if (read_memory_nobpt (at, &instr[0], 2))
     return -1;
   instrlen = s390_instrlen[instr[0] >> 6];
   if (instrlen > 2)
     {
-      if (deprecated_read_memory_nobpt (at + 2, &instr[2], instrlen - 2))
+      if (read_memory_nobpt (at + 2, &instr[2], instrlen - 2))
         return -1;
     }
   return instrlen;
@@ -1196,19 +1177,19 @@ s390_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
   int d2;
 
   if (word_size == 4
-      && !deprecated_read_memory_nobpt (pc - 4, insn, 4)
+      && !read_memory_nobpt (pc - 4, insn, 4)
       && is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
       && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
     return 1;
 
   if (word_size == 4
-      && !deprecated_read_memory_nobpt (pc - 6, insn, 6)
+      && !read_memory_nobpt (pc - 6, insn, 6)
       && is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
       && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
     return 1;
 
   if (word_size == 8
-      && !deprecated_read_memory_nobpt (pc - 6, insn, 6)
+      && !read_memory_nobpt (pc - 6, insn, 6)
       && is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
       && r3 == S390_SP_REGNUM - S390_R0_REGNUM)
     return 1;
@@ -1251,7 +1232,7 @@ s390_prologue_frame_unwind_cache (struct frame_info *next_frame,
      bother searching for it -- with modern compilers this would be mostly
      pointless anyway.  Trust that we'll either have valid DWARF-2 CFI data
      or else a valid backchain ...  */
-  func = frame_func_unwind (next_frame);
+  func = frame_func_unwind (next_frame, NORMAL_FRAME);
   if (!func)
     return 0;
 
@@ -1575,14 +1556,15 @@ static const struct frame_unwind s390_stub_frame_unwind = {
 static const struct frame_unwind *
 s390_stub_frame_sniffer (struct frame_info *next_frame)
 {
-  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  CORE_ADDR addr_in_block;
   bfd_byte insn[S390_MAX_INSTR_SIZE];
 
   /* If the current PC points to non-readable memory, we assume we
      have trapped due to an invalid function pointer call.  We handle
      the non-existing current function like a PLT stub.  */
-  if (in_plt_section (pc, NULL)
-      || s390_readinstruction (insn, pc) < 0)
+  addr_in_block = frame_unwind_address_in_block (next_frame, NORMAL_FRAME);
+  if (in_plt_section (addr_in_block, NULL)
+      || s390_readinstruction (insn, frame_pc_unwind (next_frame)) < 0)
     return &s390_stub_frame_unwind;
   return NULL;
 }
@@ -1721,7 +1703,7 @@ s390_sigtramp_frame_sniffer (struct frame_info *next_frame)
   CORE_ADDR pc = frame_pc_unwind (next_frame);
   bfd_byte sigreturn[2];
 
-  if (deprecated_read_memory_nobpt (pc, sigreturn, 2))
+  if (read_memory_nobpt (pc, sigreturn, 2))
     return NULL;
 
   if (sigreturn[0] != 0x0a /* svc */)
@@ -2411,9 +2393,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
   set_gdbarch_dwarf_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
   set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
-  set_gdbarch_convert_register_p (gdbarch, s390_convert_register_p);
-  set_gdbarch_register_to_value (gdbarch, s390_register_to_value);
-  set_gdbarch_value_to_register (gdbarch, s390_value_to_register);
+  set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
   set_gdbarch_register_reggroup_p (gdbarch, s390_register_reggroup_p);
   set_gdbarch_regset_from_core_section (gdbarch,
                                         s390_regset_from_core_section);
@@ -2478,6 +2458,8 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_print_insn (gdbarch, print_insn_s390);
 
+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+
   /* Enable TLS support.  */
   set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                              svr4_fetch_objfile_link_map);