Fix checks for VSX and Altivec availability on Power

gdb/ChangeLog

	* ppc-linux-nat.c (ppc_linux_read_description): Use PPC_FEATURE_HAS_VSX
	and PPC_FEATURE_HAS_ALTIVEC to check if such features are available.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 56f9644..91db2e3 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2016-04-22  Edjunior Barbosa Machado  <emachado@linux.vnet.ibm.com>
+
+       * ppc-linux-nat.c (ppc_linux_read_description): Use PPC_FEATURE_HAS_VSX
+       and PPC_FEATURE_HAS_ALTIVEC to check if such features are available.
+
 2016-04-22  Yao Qi  <yao.qi@linaro.org>
 
        * valops.c (read_value_memory): New local variable 'stack'.

diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index bf91462..84c14a1 100644 (file)
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -2419,7 +2419,8 @@ ppc_linux_read_description (struct target_ops *ops)
        perror_with_name (_("Unable to fetch SPE registers"));
     }
 
-  if (have_ptrace_getsetvsxregs)
+  if (have_ptrace_getsetvsxregs
+      && (ppc_linux_get_hwcap () & PPC_FEATURE_HAS_VSX))
     {
       gdb_vsxregset_t vsxregset;
 
@@ -2432,7 +2433,8 @@ ppc_linux_read_description (struct target_ops *ops)
        perror_with_name (_("Unable to fetch VSX registers"));
     }
 
-  if (have_ptrace_getvrregs)
+  if (have_ptrace_getvrregs
+      && (ppc_linux_get_hwcap () & PPC_FEATURE_HAS_ALTIVEC))
     {
       gdb_vrregset_t vrregset;