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Diffstat (limited to 'sysdeps/powerpc/dl-procinfo.h')
-rw-r--r--sysdeps/powerpc/dl-procinfo.h43
1 files changed, 24 insertions, 19 deletions
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
index 3a5ce12c46..d9cd126722 100644
--- a/sysdeps/powerpc/dl-procinfo.h
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -22,13 +22,18 @@
#include <ldsodefs.h>
#include <sysdep.h> /* This defines the PPC_FEATURE[2]_* macros. */
-/* There are 25 bits used in AT_HWCAP, but they are bits 7..31. */
+/* There are 25 bits used in AT_HWCAP, but they are bits 7..31. The feature
+ * definitions started at bit 31 and decremented as new features were added.
+ */
+#define _DL_HWCAP_LAST 31
#define _DL_HWCAP_FIRST 7
-/* Where AT_HWCAP2 starts relative to _DL_HWCAP_FIRST. */
-#define _DL_HWCAP2_FIRST 32
-/* The total number of used bits relative to _DL_HWCAP_FIRST. */
-#define _DL_HWCAP_COUNT 38
+/* AT_HWCAP2 feature bits similarily started at bit 31 and decremented as new
+ * features were added. */
+#define _DL_HWCAP2_LAST 31
+
+/* The total number of available bits relative to (minus) _DL_HWCAP_FIRST. */
+#define _DL_HWCAP_COUNT 64
/* These bits influence library search. */
#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \
@@ -166,31 +171,31 @@ static inline int
__attribute__ ((unused))
_dl_procinfo (unsigned int type, int word)
{
- unsigned int first, count, str_offset;
-
switch(type)
{
case AT_HWCAP:
_dl_printf ("AT_HWCAP: ");
- first = _DL_HWCAP_FIRST;
- count = MIN(_DL_HWCAP_COUNT, _DL_HWCAP2_FIRST);
- str_offset = 0;
+
+ for (int i = _DL_HWCAP_FIRST; i <= _DL_HWCAP_LAST; ++i)
+ if (word & (1 << i))
+ _dl_printf (" %s", _dl_hwcap_string (i));
break;
case AT_HWCAP2:
- _dl_printf ("AT_HWCAP2: ");
- first = 0;
- count = _DL_HWCAP_COUNT - _DL_HWCAP2_FIRST;
- str_offset = _DL_HWCAP2_FIRST;
- break;
+ {
+ unsigned int offset = _DL_HWCAP_LAST + 1;
+
+ _dl_printf ("AT_HWCAP2: ");
+
+ for (int i = 0; i <= _DL_HWCAP2_LAST; ++i)
+ if (word & (1 << i))
+ _dl_printf (" %s", _dl_hwcap_string (offset + i));
+ break;
+ }
default:
/* This should not happen. */
return -1;
}
- for (int i = first; i < count; ++i)
- if (word & (1 << i))
- _dl_printf (" %s", _dl_hwcap_string (str_offset + i));
-
_dl_printf ("\n");
return 0;