X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Faarch64-linux-tdep.c;h=b6052bafd6d47e594b1452b565371f9bc1d84200;hb=f1735a53a63040cc4b4a735bf18a3f20d308e519;hp=50c9c3f60f3ae7cb71e2f38b501b0436de9d5c6f;hpb=c955ae7389e1c5dba0aef5c88c64f647c13e01c5;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
index 50c9c3f60f..b6052bafd6 100644
--- a/gdb/aarch64-linux-tdep.c
+++ b/gdb/aarch64-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux AArch64.
 
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of GDB.
@@ -45,6 +45,8 @@
 
 #include "record-full.h"
 #include "linux-record.h"
+#include "auxv.h"
+#include "elf/common.h"
 
 /* Signal frame handling.
 
@@ -143,7 +145,6 @@ aarch64_linux_sigframe_init (const struct tramp_frame *self,
 			     struct trad_frame_cache *this_cache,
 			     CORE_ADDR func)
 {
-  struct gdbarch *gdbarch = get_frame_arch (this_frame);
   CORE_ADDR sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM);
   CORE_ADDR sigcontext_addr =
     sp
@@ -232,6 +233,20 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
       NULL, cb_data);
 }
 
+/* Implement the "core_read_description" gdbarch method.  */
+
+static const struct target_desc *
+aarch64_linux_core_read_description (struct gdbarch *gdbarch,
+				     struct target_ops *target, bfd *abfd)
+{
+  CORE_ADDR aarch64_hwcap = 0;
+
+  if (target_auxv_search (target, AT_HWCAP, &aarch64_hwcap) != 1)
+    return NULL;
+
+  return tdesc_aarch64;
+}
+
 /* Implementation of `gdbarch_stap_is_single_operand', as defined in
    gdbarch.h.  */
 
@@ -290,7 +305,7 @@ aarch64_stap_parse_special_token (struct gdbarch *gdbarch,
 	       regname, p->saved_arg);
 
       ++tmp;
-      tmp = skip_spaces_const (tmp);
+      tmp = skip_spaces (tmp);
       /* Now we expect a number.  It can begin with '#' or simply
 	 a digit.  */
       if (*tmp == '#')
@@ -673,17 +688,14 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number)
       SYSCALL_MAP (fremovexattr);
       SYSCALL_MAP (getcwd);
       SYSCALL_MAP (lookup_dcookie);
-      UNSUPPORTED_SYSCALL_MAP (eventfd2);
-
-    case aarch64_sys_epoll_create1:
-      return gdb_sys_epoll_create;
-
+      SYSCALL_MAP (eventfd2);
+      SYSCALL_MAP (epoll_create1);
       SYSCALL_MAP (epoll_ctl);
       SYSCALL_MAP (epoll_pwait);
       SYSCALL_MAP (dup);
-      UNSUPPORTED_SYSCALL_MAP (dup3);
+      SYSCALL_MAP (dup3);
       SYSCALL_MAP (fcntl);
-      UNSUPPORTED_SYSCALL_MAP (inotify_init1);
+      SYSCALL_MAP (inotify_init1);
       SYSCALL_MAP (inotify_add_watch);
       SYSCALL_MAP (inotify_rm_watch);
       SYSCALL_MAP (ioctl);
@@ -703,7 +715,7 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number)
       SYSCALL_MAP (statfs);
       SYSCALL_MAP (truncate);
       SYSCALL_MAP (ftruncate);
-      UNSUPPORTED_SYSCALL_MAP (fallocate);
+      SYSCALL_MAP (fallocate);
       SYSCALL_MAP (faccessat);
       SYSCALL_MAP (fchdir);
       SYSCALL_MAP (chroot);
@@ -714,7 +726,7 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number)
       SYSCALL_MAP (openat);
       SYSCALL_MAP (close);
       SYSCALL_MAP (vhangup);
-      UNSUPPORTED_SYSCALL_MAP (pipe2);
+      SYSCALL_MAP (pipe2);
       SYSCALL_MAP (quotactl);
       SYSCALL_MAP (getdents64);
       SYSCALL_MAP (lseek);
@@ -1022,6 +1034,8 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   set_gdbarch_iterate_over_regset_sections
     (gdbarch, aarch64_linux_iterate_over_regset_sections);
+  set_gdbarch_core_read_description
+    (gdbarch, aarch64_linux_core_read_description);
 
   /* SystemTap related.  */
   set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);
@@ -1208,16 +1222,11 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_displaced_step_copy_insn (gdbarch,
 					aarch64_displaced_step_copy_insn);
   set_gdbarch_displaced_step_fixup (gdbarch, aarch64_displaced_step_fixup);
-  set_gdbarch_displaced_step_free_closure (gdbarch,
-					   simple_displaced_step_free_closure);
   set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
   set_gdbarch_displaced_step_hw_singlestep (gdbarch,
 					    aarch64_displaced_step_hw_singlestep);
 }
 
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_aarch64_linux_tdep;
-
 void
 _initialize_aarch64_linux_tdep (void)
 {