ELF: Add run-time tests for -z now

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

diff --git a/gdb/fbsd-tdep.c b/gdb/fbsd-tdep.c
index e8f860538e451a7d6865588048b19fe99263b86f..b834ce38b457c02058c0ac94a39ffd1669040f19 100644 (file)
--- a/gdb/fbsd-tdep.c
+++ b/gdb/fbsd-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for FreeBSD, architecture-independent.
 
-   Copyright (C) 2002-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -24,6 +24,7 @@
 #include "regcache.h"
 #include "regset.h"
 #include "gdbthread.h"
+#include "xml-syscall.h"
 
 #include "elf-bfd.h"
 #include "fbsd-tdep.h"
@@ -31,7 +32,7 @@
 
 /* This is how we want PTIDs from core files to be printed.  */
 
-static char *
+static const char *
 fbsd_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
 {
   static char buf[80];
@@ -192,15 +193,11 @@ static void
 fbsd_corefile_thread (struct thread_info *info,
                      struct fbsd_corefile_thread_data *args)
 {
-  struct cleanup *old_chain;
   struct regcache *regcache;
 
   regcache = get_thread_arch_regcache (info->ptid, args->gdbarch);
 
-  old_chain = save_inferior_ptid ();
-  inferior_ptid = info->ptid;
   target_fetch_registers (regcache, -1);
-  do_cleanups (old_chain);
 
   args->note_data = fbsd_collect_thread_registers
     (regcache, info->ptid, args->obfd, args->note_data,
@@ -317,7 +314,23 @@ fbsd_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file,
   fprint_auxv_entry (file, name, description, format, type, val);
 }
 
-/* To be called from GDB_OSABI_FREEBSD_ELF handlers. */
+/* Implement the "get_syscall_number" gdbarch method.  */
+
+static LONGEST
+fbsd_get_syscall_number (struct gdbarch *gdbarch,
+                        ptid_t ptid)
+{
+
+  /* FreeBSD doesn't use gdbarch_get_syscall_number since FreeBSD
+     native targets fetch the system call number from the
+     'pl_syscall_code' member of struct ptrace_lwpinfo in fbsd_wait.
+     However, system call catching requires this function to be
+     set.  */
+
+  internal_error (__FILE__, __LINE__, _("fbsd_get_sycall_number called"));
+}
+
+/* To be called from GDB_OSABI_FREEBSD handlers. */
 
 void
 fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
@@ -326,4 +339,8 @@ fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_core_thread_name (gdbarch, fbsd_core_thread_name);
   set_gdbarch_make_corefile_notes (gdbarch, fbsd_make_corefile_notes);
   set_gdbarch_print_auxv_entry (gdbarch, fbsd_print_auxv_entry);
+
+  /* `catch syscall' */
+  set_xml_syscall_file_name (gdbarch, "syscalls/freebsd.xml");
+  set_gdbarch_get_syscall_number (gdbarch, fbsd_get_syscall_number);
 }