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

diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c
index cd70d93313782bb715fd3465234b25374ba00892..aafb1757322ed94a41957140822aa7605077b3a5 100644 (file)
--- a/gdb/xtensa-tdep.c
+++ b/gdb/xtensa-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the Xtensa port of GDB, the GNU debugger.
 
-   Copyright (C) 2003-2015 Free Software Foundation, Inc.
+   Copyright (C) 2003-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -52,6 +52,7 @@
 #include "xtensa-isa.h"
 #include "xtensa-tdep.h"
 #include "xtensa-config.h"
+#include <algorithm>
 
 
 static unsigned int xtensa_debug_level = 0;
@@ -1285,7 +1286,7 @@ xtensa_frame_cache (struct frame_info *this_frame, void **this_cache)
 
   if (windowed)
     {
-      char op1;
+      LONGEST op1;
 
       /* Get WINDOWBASE, WINDOWSTART, and PS registers.  */
       wb = get_frame_register_unsigned (this_frame, 
@@ -1293,8 +1294,8 @@ xtensa_frame_cache (struct frame_info *this_frame, void **this_cache)
       ws = get_frame_register_unsigned (this_frame,
                                        gdbarch_tdep (gdbarch)->ws_regnum);
 
-      op1 = read_memory_integer (pc, 1, byte_order);
-      if (XTENSA_IS_ENTRY (gdbarch, op1))
+      if (safe_read_memory_integer (pc, 1, byte_order, &op1)
+         && XTENSA_IS_ENTRY (gdbarch, op1))
        {
          int callinc = CALLINC (ps);
          ra = get_frame_register_unsigned
@@ -2417,10 +2418,10 @@ call0_analyze_prologue (struct gdbarch *gdbarch,
   if (pc == 0)
     {
       find_pc_partial_function (start, 0, NULL, &end_pc);
-      body_pc = min (end_pc, body_pc);
+      body_pc = std::min (end_pc, body_pc);
     }
   else
-    body_pc = min (pc, body_pc);
+    body_pc = std::min (pc, body_pc);
 
   cache->call0 = 1;
   rtmp = (xtensa_c0reg_t*) alloca(nregs * sizeof(xtensa_c0reg_t));
@@ -2796,7 +2797,6 @@ execute_code (struct gdbarch *gdbarch, CORE_ADDR current_pc, CORE_ADDR wb)
   int ilen, islots, is;
   xtensa_opcode opc;
   int insn_num = 0;
-  int fail = 0;
   void (*func) (struct gdbarch *, int, int, int, CORE_ADDR);
 
   uint32_t at, as, offset;
@@ -3192,7 +3192,6 @@ xtensa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 {
   struct gdbarch_tdep *tdep;
   struct gdbarch *gdbarch;
-  struct xtensa_abi_handler *abi_handler;
 
   DEBUGTRACE ("gdbarch_init()\n");
 
@@ -3291,8 +3290,6 @@ extern initialize_file_ftype _initialize_xtensa_tdep;
 void
 _initialize_xtensa_tdep (void)
 {
-  struct cmd_list_element *c;
-
   gdbarch_register (bfd_arch_xtensa, xtensa_gdbarch_init, xtensa_dump_tdep);
   xtensa_init_reggroups ();