gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / bfd / ptrace-core.c

diff --git a/bfd/ptrace-core.c b/bfd/ptrace-core.c
index ce621547fe47cf04cafeb08a0004a33e30e3ff5d..e9802f8ea062b07a9d7385c15a98e26a386f5747 100644 (file)
--- a/bfd/ptrace-core.c
+++ b/bfd/ptrace-core.c
@@ -1,6 +1,5 @@
 /* BFD backend for core files which use the ptrace_user structure
-   Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007  Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
    The structure of this file is based on trad-core.c written by John Gilmore
    of Cygnus Support.
    Modified to work with the ptrace_user structure by Kevin A. Buettner.
@@ -35,35 +34,34 @@
 #include <sys/ptrace.h>
 
 struct trad_core_struct
-  {
-    asection *data_section;
-    asection *stack_section;
-    asection *reg_section;
-    struct ptrace_user u;
-  };
+{
+  asection *data_section;
+  asection *stack_section;
+  asection *reg_section;
+  struct ptrace_user u;
+};
 
-#define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
-#define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
+#define core_upage(bfd)  (&((bfd)->tdata.trad_core_data->u))
+#define core_datasec(bfd)  ((bfd)->tdata.trad_core_data->data_section)
 #define core_stacksec(bfd) ((bfd)->tdata.trad_core_data->stack_section)
-#define core_regsec(bfd) ((bfd)->tdata.trad_core_data->reg_section)
+#define core_regsec(bfd)   ((bfd)->tdata.trad_core_data->reg_section)
 
 /* forward declarations */
 
-const bfd_target *ptrace_unix_core_file_p PARAMS ((bfd *abfd));
-char * ptrace_unix_core_file_failing_command PARAMS ((bfd *abfd));
-int ptrace_unix_core_file_failing_signal PARAMS ((bfd *abfd));
+const bfd_target *ptrace_unix_core_file_p (bfd *abfd);
+char * ptrace_unix_core_file_failing_command (bfd *abfd);
+int ptrace_unix_core_file_failing_signal (bfd *abfd);
 #define ptrace_unix_core_file_matches_executable_p generic_core_file_matches_executable_p
-static void swap_abort PARAMS ((void));
-
-const bfd_target *
-ptrace_unix_core_file_p (abfd)
-     bfd *abfd;
+#define ptrace_unix_core_file_pid _bfd_nocore_core_file_pid
+static void swap_abort (void);
 
+bfd_cleanup
+ptrace_unix_core_file_p (bfd *abfd)
 {
   int val;
   struct ptrace_user u;
   struct trad_core_struct *rawptr;
-  bfd_size_type amt;
+  size_t amt;
   flagword flags;
 
   val = bfd_bread ((void *)&u, (bfd_size_type) sizeof u, abfd);
@@ -126,7 +124,7 @@ ptrace_unix_core_file_p (abfd)
   core_datasec (abfd)->alignment_power = 2;
   core_regsec (abfd)->alignment_power = 2;
 
-  return abfd->xvec;
+  return _bfd_no_cleanup;
 
  fail:
   bfd_release (abfd, abfd->tdata.any);
@@ -136,10 +134,10 @@ ptrace_unix_core_file_p (abfd)
 }
 
 char *
-ptrace_unix_core_file_failing_command (abfd)
-     bfd *abfd;
+ptrace_unix_core_file_failing_command (bfd *abfd)
 {
   char *com = abfd->tdata.trad_core_data->u.pt_comm;
+
   if (*com)
     return com;
   else
@@ -147,15 +145,14 @@ ptrace_unix_core_file_failing_command (abfd)
 }
 
 int
-ptrace_unix_core_file_failing_signal (abfd)
-     bfd *abfd;
+ptrace_unix_core_file_failing_signal (bfd *abfd)
 {
   return abfd->tdata.trad_core_data->u.pt_sigframe.sig_num;
 }
 \f
 /* If somebody calls any byte-swapping routines, shoot them.  */
 static void
-swap_abort ()
+swap_abort (void)
 {
   abort (); /* This way doesn't require any declaration for ANSI to fuck up */
 }
@@ -167,7 +164,7 @@ swap_abort ()
 #define        NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
 #define        NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
 
-const bfd_target ptrace_core_vec =
+const bfd_target core_ptrace_vec =
   {
     "trad-core",
     bfd_target_unknown_flavour,
@@ -177,7 +174,7 @@ const bfd_target ptrace_core_vec =
      HAS_LINENO | HAS_DEBUG |
      HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
     (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
-    0,                                                    /* symbol prefix */
+    0,                                                    /* symbol prefix */
     ' ',                                                  /* ar_pad_char */
     16,                                                           /* ar_max_namelen */
     NO_GET64, NO_GETS64, NO_PUT64,     /* 64 bit data */
@@ -194,12 +191,12 @@ const bfd_target ptrace_core_vec =
       ptrace_unix_core_file_p          /* a core file */
     },
     {                          /* bfd_set_format */
-      bfd_false, bfd_false,
-      bfd_false, bfd_false
+      _bfd_bool_bfd_false_error, bfd_false,
+      _bfd_bool_bfd_false_error, bfd_false
     },
     {                          /* bfd_write_contents */
-      bfd_false, bfd_false,
-      bfd_false, bfd_false
+      _bfd_bool_bfd_false_error, bfd_false,
+      _bfd_bool_bfd_false_error, bfd_false
     },
 
     BFD_JUMP_TABLE_GENERIC (_bfd_generic),
@@ -214,7 +211,7 @@ const bfd_target ptrace_core_vec =
 
     NULL,
 
-    (PTR) 0                    /* backend_data */
+    NULL                       /* backend_data */
   };
 
 #endif /* PTRACE_CORE */