Fix build on OpenBSD/sparc64.

[deliverable/binutils-gdb.git] / gdb / corelow.c

diff --git a/gdb/corelow.c b/gdb/corelow.c
index 589f23120729ff3ae58283808c3b1c914dd81dfe..2d4a71987742ddf674da96201f8959ba9040215b 100644 (file)
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -1,7 +1,6 @@
 /* Core dump and executable file functions below target vector, for GDB.
 
-   Copyright (C) 1986-1987, 1989, 1991-2001, 2003-2012 Free Software
-   Foundation, Inc.
+   Copyright (C) 1986-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,7 +19,7 @@
 
 #include "defs.h"
 #include "arch-utils.h"
-#include "gdb_string.h"
+#include <string.h>
 #include <errno.h>
 #include <signal.h>
 #include <fcntl.h>
@@ -47,6 +46,8 @@
 #include "progspace.h"
 #include "objfiles.h"
 #include "gdb_bfd.h"
+#include "completer.h"
+#include "filestuff.h"
 
 #ifndef O_LARGEFILE
 #define O_LARGEFILE 0
@@ -66,7 +67,7 @@ static struct core_fns *core_vec = NULL;
 /* FIXME: kettenis/20031023: Eventually this variable should
    disappear.  */
 
-struct gdbarch *core_gdbarch = NULL;
+static struct gdbarch *core_gdbarch = NULL;
 
 /* Per-core data.  Currently, only the section table.  Note that these
    target sections are *not* mapped in the current address spaces' set
@@ -84,9 +85,7 @@ static int gdb_check_format (bfd *);
 
 static void core_open (char *, int);
 
-static void core_detach (struct target_ops *ops, char *, int);
-
-static void core_close (int);
+static void core_close (void);
 
 static void core_close_cleanup (void *ignore);
 
@@ -193,10 +192,8 @@ gdb_check_format (bfd *abfd)
    stack spaces as empty.  */
 
 static void
-core_close (int quitting)
+core_close (void)
 {
-  char *name;
-
   if (core_bfd)
     {
       int pid = ptid_get_pid (inferior_ptid);
@@ -226,7 +223,7 @@ core_close (int quitting)
 static void
 core_close_cleanup (void *ignore)
 {
-  core_close (0/*ignored*/);
+  core_close ();
 }
 
 /* Look for sections whose names start with `.reg/' so that we can
@@ -314,7 +311,7 @@ core_open (char *filename, int from_tty)
     flags |= O_RDWR;
   else
     flags |= O_RDONLY;
-  scratch_chan = open (filename, flags, 0);
+  scratch_chan = gdb_open_cloexec (filename, flags, 0);
   if (scratch_chan < 0)
     perror_with_name (filename);
 
@@ -351,7 +348,7 @@ core_open (char *filename, int from_tty)
 
   validate_files ();
 
-  core_data = XZALLOC (struct target_section_table);
+  core_data = XCNEW (struct target_section_table);
 
   /* Find the data section */
   if (build_section_table (core_bfd,
@@ -430,6 +427,9 @@ core_open (char *filename, int from_tty)
   if (p)
     printf_filtered (_("Core was generated by `%s'.\n"), p);
 
+  /* Clearing any previous state of convenience variables.  */
+  clear_exit_convenience_vars ();
+
   siggy = bfd_core_file_failing_signal (core_bfd);
   if (siggy > 0)
     {
@@ -445,8 +445,13 @@ core_open (char *filename, int from_tty)
                                                               siggy)
                             : gdb_signal_from_host (siggy));
 
-      printf_filtered (_("Program terminated with signal %d, %s.\n"),
-                      siggy, gdb_signal_to_string (sig));
+      printf_filtered (_("Program terminated with signal %s, %s.\n"),
+                      gdb_signal_to_name (sig), gdb_signal_to_string (sig));
+
+      /* Set the value of the internal variable $_exitsignal,
+        which holds the signal uncaught by the inferior.  */
+      set_internalvar_integer (lookup_internalvar ("_exitsignal"),
+                              siggy);
     }
 
   /* Fetch all registers from core file.  */
@@ -454,11 +459,11 @@ core_open (char *filename, int from_tty)
 
   /* Now, set up the frame cache, and print the top of stack.  */
   reinit_frame_cache ();
-  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
+  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
 }
 
 static void
-core_detach (struct target_ops *ops, char *args, int from_tty)
+core_detach (struct target_ops *ops, const char *args, int from_tty)
 {
   if (args)
     error (_("Too many arguments"));
@@ -468,24 +473,6 @@ core_detach (struct target_ops *ops, char *args, int from_tty)
     printf_filtered (_("No core file now.\n"));
 }
 
-#ifdef DEPRECATED_IBM6000_TARGET
-
-/* Resize the core memory's section table, by NUM_ADDED.  Returns a
-   pointer into the first new slot.  This will not be necessary when
-   the rs6000 target is converted to use the standard solib
-   framework.  */
-
-struct target_section *
-deprecated_core_resize_section_table (int num_added)
-{
-  int old_count;
-
-  old_count = resize_section_table (core_data, num_added);
-  return core_data->sections + old_count;
-}
-
-#endif
-
 /* Try to retrieve registers from a section in core_bfd, and supply
    them to core_vec->core_read_registers, as the register set numbered
    WHICH.
@@ -662,10 +649,9 @@ add_to_spuid_list (bfd *abfd, asection *asect, void *list_p)
    the to_xfer_partial interface.  */
 
 static LONGEST
-get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, LONGEST len)
+get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
 {
   asection *section;
-  long pid;
   char *section_name;
   const char *name = ".note.linuxcore.siginfo";
 
@@ -690,7 +676,7 @@ static LONGEST
 core_xfer_partial (struct target_ops *ops, enum target_object object,
                   const char *annex, gdb_byte *readbuf,
                   const gdb_byte *writebuf, ULONGEST offset,
-                  LONGEST len)
+                  ULONGEST len)
 {
   switch (object)
     {
@@ -776,6 +762,18 @@ core_xfer_partial (struct target_ops *ops, enum target_object object,
        }
       /* FALL THROUGH */
 
+    case TARGET_OBJECT_LIBRARIES_AIX:
+      if (core_gdbarch
+         && gdbarch_core_xfer_shared_libraries_aix_p (core_gdbarch))
+       {
+         if (writebuf)
+           return -1;
+         return
+           gdbarch_core_xfer_shared_libraries_aix (core_gdbarch,
+                                                   readbuf, offset, len);
+       }
+      /* FALL THROUGH */
+
     case TARGET_OBJECT_SPU:
       if (readbuf && annex)
        {
@@ -844,7 +842,8 @@ core_xfer_partial (struct target_ops *ops, enum target_object object,
    breakpoint_init_inferior).  */
 
 static int
-ignore (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt)
+ignore (struct target_ops *ops, struct gdbarch *gdbarch,
+       struct bp_target_info *bp_tgt)
 {
   return 0;
 }
@@ -981,5 +980,5 @@ _initialize_corelow (void)
 {
   init_core_ops ();
 
-  add_target (&core_ops);
+  add_target_with_completer (&core_ops, filename_completer);
 }