aarch64: Implement support for elf_aux_info(3) on FreeBSD and OpenBSD

FreeBSD 12.0+, OpenBSD -current and what will be OpenBSD 7.6 support elf_aux_info(3).

Brad Smith committed 2 years ago

Commit a3f79fd1 parent 1709f383 files · +11 −2Browse files

Unified · Split

3 files

     clock_gettime
     closesocket
     CommandLineToArgvW
+    elf_aux_info
     fcntl
     getaddrinfo
     getauxval
 check_func_headers stdlib.h getenv
 check_func_headers sys/stat.h lstat
 check_func_headers sys/auxv.h getauxval
+check_func_headers sys/auxv.h elf_aux_info
 check_func_headers sys/sysctl.h sysctlbyname
 check_func_headers windows.h GetModuleHandle

@@ -20,7 +20,7 @@ · 19 unmodified lines
20	#include "libavutil/cpu_internal.h"	20	#include "libavutil/cpu_internal.h"
21	#include "config.h"	21	#include "config.h"
22		22
23	#if (defined(__linux__) \|\| defined(__ANDROID__)) && HAVE_GETAUXVAL	23	#if HAVE_GETAUXVAL \|\| HAVE_ELF_AUX_INFO
24	#include <stdint.h>	24	#include <stdint.h>
25	#include <sys/auxv.h>	25	#include <sys/auxv.h>
26		26

 #include <unistd.h>
 #endif
-#if HAVE_GETAUXVAL
+#if HAVE_GETAUXVAL || HAVE_ELF_AUX_INFO
 #include <sys/auxv.h>
 #endif
 {
 #if HAVE_GETAUXVAL
     return getauxval(type);
+#elif HAVE_ELF_AUX_INFO
+    unsigned long aux = 0;
+    int ret = elf_aux_info(type, &aux, sizeof(aux));
+    if (ret != 0) {
+        errno = ret;
+    }
+    return aux;
 #else
     errno = ENOSYS;
     return 0;

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