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[platform/upstream/binutils.git] / gdb / i386-cygwin-tdep.c

diff --git a/gdb/i386-cygwin-tdep.c b/gdb/i386-cygwin-tdep.c
index f0d8d4b..b8793c1 100644 (file)
--- a/gdb/i386-cygwin-tdep.c
+++ b/gdb/i386-cygwin-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for Cygwin running on i386's, for GDB.
 
-   Copyright (C) 2003, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2003-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,15 +19,13 @@
 
 #include "defs.h"
 #include "osabi.h"
-#include "gdb_string.h"
 #include "i386-tdep.h"
 #include "windows-tdep.h"
 #include "regset.h"
 #include "gdb_obstack.h"
 #include "xml-support.h"
 #include "gdbcore.h"
-#include "solib.h"
-#include "solib-target.h"
+#include "inferior.h"
 
 /* Core file support.  */
 
@@ -90,27 +88,6 @@ static int i386_windows_gregset_reg_offset[] =
 
 #define I386_WINDOWS_SIZEOF_GREGSET 716
 
-/* Return the appropriate register set for the core section identified
-   by SECT_NAME and SECT_SIZE.  */
-
-static const struct regset *
-i386_windows_regset_from_core_section (struct gdbarch *gdbarch,
-                                    const char *sect_name, size_t sect_size)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
-  if (strcmp (sect_name, ".reg") == 0
-      && sect_size == I386_WINDOWS_SIZEOF_GREGSET)
-    {
-      if (tdep->gregset == NULL)
-        tdep->gregset = regset_alloc (gdbarch, i386_supply_gregset,
-                                      i386_collect_gregset);
-      return tdep->gregset;
-    }
-
-  return NULL;
-}
-
 struct cpms_data
 {
   struct gdbarch *gdbarch;
@@ -128,7 +105,7 @@ core_process_module_section (bfd *abfd, asection *sect, void *obj)
   size_t module_name_size;
   CORE_ADDR base_addr;
 
-  char *buf = NULL;
+  gdb_byte *buf = NULL;
 
   if (strncmp (sect->name, ".module", 7) != 0)
     return;
@@ -153,9 +130,9 @@ core_process_module_section (bfd *abfd, asection *sect, void *obj)
   module_name_size =
     extract_unsigned_integer (buf + 8, 4, byte_order);
 
-  module_name = buf + 12;
-  if (module_name - buf + module_name_size > bfd_get_section_size (sect))
+  if (12 + module_name_size > bfd_get_section_size (sect))
     goto out;
+  module_name = (char *) buf + 12;
 
   /* The first module is the .exe itself.  */
   if (data->module_count != 0)
@@ -169,14 +146,14 @@ out:
   return;
 }
 
-static LONGEST
+static ULONGEST
 windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
                                  gdb_byte *readbuf,
-                                 ULONGEST offset, LONGEST len)
+                                 ULONGEST offset, ULONGEST len)
 {
   struct obstack obstack;
   const char *buf;
-  LONGEST len_avail;
+  ULONGEST len_avail;
   struct cpms_data data = { gdbarch, &obstack, 0 };
 
   obstack_init (&obstack);
@@ -199,17 +176,41 @@ windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
   return len;
 }
 
+/* This is how we want PTIDs from core files to be printed.  */
+
+static char *
+i386_windows_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
+{
+  static char buf[80];
+
+  if (ptid_get_lwp (ptid) != 0)
+    {
+      snprintf (buf, sizeof (buf), "Thread 0x%lx", ptid_get_lwp (ptid));
+      return buf;
+    }
+
+  return normal_pid_to_str (ptid);
+}
+
 static CORE_ADDR
 i386_cygwin_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
 {
   return i386_pe_skip_trampoline_code (frame, pc, NULL);
 }
 
+static const char *
+i386_cygwin_auto_wide_charset (void)
+{
+  return "UTF-16";
+}
+
 static void
 i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
+  windows_init_abi (info, gdbarch);
+
   set_gdbarch_skip_trampoline_code (gdbarch, i386_cygwin_skip_trampoline_code);
 
   set_gdbarch_skip_main_prologue (gdbarch, i386_skip_main_prologue);
@@ -220,13 +221,14 @@ i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   tdep->gregset_num_regs = ARRAY_SIZE (i386_windows_gregset_reg_offset);
   tdep->sizeof_gregset = I386_WINDOWS_SIZEOF_GREGSET;
 
-  set_solib_ops (gdbarch, &solib_target_so_ops);
+  tdep->sizeof_fpregset = 0;
 
   /* Core file support.  */
-  set_gdbarch_regset_from_core_section
-    (gdbarch, i386_windows_regset_from_core_section);
   set_gdbarch_core_xfer_shared_libraries
     (gdbarch, windows_core_xfer_shared_libraries);
+  set_gdbarch_core_pid_to_str (gdbarch, i386_windows_core_pid_to_str);
+
+  set_gdbarch_auto_wide_charset (gdbarch, i386_cygwin_auto_wide_charset);
 }
 
 static enum gdb_osabi
@@ -234,8 +236,6 @@ i386_cygwin_osabi_sniffer (bfd *abfd)
 {
   char *target_name = bfd_get_target (abfd);
 
-  /* Interix also uses pei-i386.
-     We need a way to distinguish between the two. */
   if (strcmp (target_name, "pei-i386") == 0)
     return GDB_OSABI_CYGWIN;