Use linux_get_siginfo_type_with_fields for x86

Use linux_get_siginfo_type_with_fields for adding bound fields on
segmentation fault for i386/amd64 siginfo.

2016-02-02  Walfred Tedeschi  <walfred.tedeschi@intel.com>

gdb/ChangeLog:

	* linux-tdep.h (linux_get_siginfo_type_with_fields): Make extern.
	* linux-tdep.c (linux_get_siginfo_type_with_fields): Make extern.
	* i386-linux-tdep.h (x86_linux_get_siginfo_type): New
	function.
	* amd64-linux-tdep.c (amd64_linux_init_abi_common): Add
	x86_linux_get_siginfo_type for the amd64 abi.
	* i386-linux-tdep.c (x86_linux_get_siginfo_type): New
	function.
	(i386_linux_init_abi): Add new function at the i386 ABI
	initialization.

6 files changed, 34 insertions, 3 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 89526e5..25f7f16 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,19 @@
 2016-02-02  Walfred Tedeschi  <walfred.tedeschi@intel.com>
 
+	* linux-tdep.h (linux_get_siginfo_type_with_fields): Make extern.
+	* linux-tdep.c (linux_get_siginfo_type_with_fields): Make extern.
+	* i386-linux-tdep.h (x86_linux_get_siginfo_type): New
+	function.
+	* amd64-linux-tdep.c (amd64_linux_init_abi_common): Add
+	x86_linux_get_siginfo_type for the amd64 abi.
+	* i386-linux-tdep.c (x86_linux_get_siginfo_type): New
+	function.
+	(i386_linux_init_abi): Add new function at the i386 ABI
+	initialization.
+
+
+2016-02-02  Walfred Tedeschi  <walfred.tedeschi@intel.com>
+
 	* linux-tdep.h (linux_siginfo_extra_field_values): New enum values.
 	(linux_siginfo_extra_fields): New enum type.
 	* linux-tdep.c (linux_get_siginfo_type_with_fields): New function.
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index b948ea7..21bcd99 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1838,6 +1838,8 @@ amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
 
   set_gdbarch_process_record (gdbarch, i386_process_record);
   set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
+
+  set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
 }
 
 static void
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index 1e491e7..af39e78 100644
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -656,6 +656,12 @@ i386_linux_supply_xstateregset (const struct regset *regset,
   i387_supply_xsave (regcache, regnum, xstateregs);
 }
 
+struct type *
+x86_linux_get_siginfo_type (struct gdbarch *gdbarch)
+{
+  return linux_get_siginfo_type_with_fields (gdbarch, LINUX_SIGINFO_FIELD_ADDR_BND);
+}
+
 /* Similar to i386_collect_fpregset, but use XSAVE extended state.  */
 
 static void
@@ -994,6 +1000,8 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_I386);
   set_gdbarch_get_syscall_number (gdbarch,
                                   i386_linux_get_syscall_number);
+
+  set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/i386-linux-tdep.h b/gdb/i386-linux-tdep.h
index ee6abff..ecc9e31 100644
--- a/gdb/i386-linux-tdep.h
+++ b/gdb/i386-linux-tdep.h
@@ -72,4 +72,7 @@ extern struct target_desc *tdesc_i386_avx512_linux;
 
 extern int i386_linux_gregset_reg_offset[];
 
+/* Return x86 siginfo type.  */
+extern struct type *x86_linux_get_siginfo_type (struct gdbarch *gdbarch);
+
 #endif /* i386-linux-tdep.h */
diff --git a/gdb/linux-tdep.c b/gdb/linux-tdep.c
index 3757306..cfbec40 100644
--- a/gdb/linux-tdep.c
+++ b/gdb/linux-tdep.c
@@ -243,10 +243,9 @@ get_linux_inferior_data (void)
   return info;
 }
 
-/* This function is suitable for architectures that
-   extend/override the standard siginfo in a specific way.  */
+/* See linux-tdep.h.  */
 
-static struct type *
+struct type *
 linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
 				    linux_siginfo_extra_fields extra_fields)
 {
diff --git a/gdb/linux-tdep.h b/gdb/linux-tdep.h
index b2680f8..2da7de4 100644
--- a/gdb/linux-tdep.h
+++ b/gdb/linux-tdep.h
@@ -36,6 +36,11 @@ enum linux_siginfo_extra_field_values
 DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
 		     linux_siginfo_extra_fields);
 
+/* This function is suitable for architectures that
+   extend/override the standard siginfo in a specific way.  */
+struct type *linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
+						 linux_siginfo_extra_fields);
+
 typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
 						       ptid_t,
 						       bfd *, char *, int *,