gdb/linux-record: Fix newfstatat handling

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

diff --git a/gdb/tilegx-tdep.c b/gdb/tilegx-tdep.c
index f45c20f14bd55af41a2f5e2f8aabe13d4b0dc134..c2b00362573ceb4c2fe813fa598388b663836e02 100644 (file)
--- a/gdb/tilegx-tdep.c
+++ b/gdb/tilegx-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the Tilera TILE-Gx processor.
 
-   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -30,8 +30,6 @@
 #include "value.h"
 #include "dis-asm.h"
 #include "inferior.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
 #include "arch-utils.h"
 #include "floatformat.h"
 #include "regcache.h"
@@ -41,7 +39,6 @@
 #include "linux-tdep.h"
 #include "objfiles.h"
 #include "solib-svr4.h"
-#include "symtab.h"
 #include "tilegx-tdep.h"
 #include "opcode/tilegx.h"
 
@@ -336,7 +333,7 @@ tilegx_push_dummy_call (struct gdbarch *gdbarch,
 
       typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
       slacklen = align_up (typelen, 8) - typelen;
-      val = xmalloc (typelen + slacklen);
+      val = (gdb_byte *) xmalloc (typelen + slacklen);
       back_to = make_cleanup (xfree, val);
       memcpy (val, contents, typelen);
       memset (val + typelen, 0, slacklen);
@@ -433,12 +430,14 @@ tilegx_analyze_prologue (struct gdbarch* gdbarch,
 
          if (instbuf_size > size_on_same_page)
            instbuf_size = size_on_same_page;
+
+         instbuf_size = min (instbuf_size, (end_addr - next_addr));
          instbuf_start = next_addr;
 
          status = safe_frame_unwind_memory (next_frame, instbuf_start,
                                             instbuf, instbuf_size);
          if (status == 0)
-           memory_error (status, next_addr);
+           memory_error (TARGET_XFER_E_IO, next_addr);
        }
 
       reverse_frame_valid = 0;
@@ -745,7 +744,8 @@ tilegx_analyze_prologue (struct gdbarch* gdbarch,
 static CORE_ADDR
 tilegx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
 {
-  CORE_ADDR func_start;
+  CORE_ADDR func_start, end_pc;
+  struct obj_section *s;
 
   /* This is the preferred method, find the end of the prologue by
      using the debugging information.  */
@@ -758,17 +758,23 @@ tilegx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
         return max (start_pc, post_prologue_pc);
     }
 
+  /* Don't straddle a section boundary.  */
+  s = find_pc_section (start_pc);
+  end_pc = start_pc + 8 * TILEGX_BUNDLE_SIZE_IN_BYTES;
+  if (s != NULL)
+    end_pc = min (end_pc, obj_section_endaddr (s));
+
   /* Otherwise, try to skip prologue the hard way.  */
   return tilegx_analyze_prologue (gdbarch,
                                  start_pc,
-                                 start_pc + 8 * TILEGX_BUNDLE_SIZE_IN_BYTES,
+                                 end_pc,
                                  NULL, NULL);
 }
 
-/* This is the implementation of gdbarch method in_function_epilogue_p.  */
+/* This is the implementation of gdbarch method stack_frame_destroyed_p.  */
 
 static int
-tilegx_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+tilegx_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   CORE_ADDR func_addr = 0, func_end = 0;
 
@@ -863,7 +869,7 @@ tilegx_frame_cache (struct frame_info *this_frame, void **this_cache)
   int i;
 
   if (*this_cache)
-    return *this_cache;
+    return (struct tilegx_frame_cache *) *this_cache;
 
   cache = FRAME_OBSTACK_ZALLOC (struct tilegx_frame_cache);
   *this_cache = cache;
@@ -1045,8 +1051,7 @@ tilegx_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_skip_prologue (gdbarch, tilegx_skip_prologue);
 
-  set_gdbarch_in_function_epilogue_p (gdbarch,
-                                     tilegx_in_function_epilogue_p);
+  set_gdbarch_stack_frame_destroyed_p (gdbarch, tilegx_stack_frame_destroyed_p);
 
   /* Map debug registers into internal register numbers.  */
   set_gdbarch_dwarf2_reg_to_regnum (gdbarch, tilegx_dwarf2_reg_to_regnum);