fix: breakpad use miniz

third_party/zlib-ng/arch/power/power_features.c

@@ -0,0 +1,49 @@
+/* power_features.c - POWER feature check
+ * Copyright (C) 2020 Matheus Castanho <msc@linux.ibm.com>, IBM
+ * Copyright (C) 2021-2024 Mika T. Lindqvist <postmaster@raasu.org>
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifdef HAVE_SYS_AUXV_H
+#  include <sys/auxv.h>
+#endif
+#ifdef POWER_NEED_AUXVEC_H
+#  include <linux/auxvec.h>
+#endif
+#ifdef __FreeBSD__
+#  include <machine/cpu.h>
+#endif
+#include "zbuild.h"
+#include "power_features.h"
+
+void Z_INTERNAL power_check_features(struct power_cpu_features *features) {
+#ifdef PPC_FEATURES
+    unsigned long hwcap;
+#ifdef __FreeBSD__
+    elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap));
+#else
+    hwcap = getauxval(AT_HWCAP);
+#endif
+
+    if (hwcap & PPC_FEATURE_HAS_ALTIVEC)
+        features->has_altivec = 1;
+#endif
+
+#ifdef POWER_FEATURES
+    unsigned long hwcap2;
+#ifdef __FreeBSD__
+    elf_aux_info(AT_HWCAP2, &hwcap2, sizeof(hwcap2));
+#else
+    hwcap2 = getauxval(AT_HWCAP2);
+#endif
+
+#ifdef POWER8_VSX
+    if (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+        features->has_arch_2_07 = 1;
+#endif
+#ifdef POWER9
+    if (hwcap2 & PPC_FEATURE2_ARCH_3_00)
+        features->has_arch_3_00 = 1;
+#endif
+#endif
+}