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Diffstat (limited to 'testsuite/libffi.call/ffitest.h')
-rw-r--r-- | testsuite/libffi.call/ffitest.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/testsuite/libffi.call/ffitest.h b/testsuite/libffi.call/ffitest.h new file mode 100644 index 0000000..7b1c5ef --- /dev/null +++ b/testsuite/libffi.call/ffitest.h @@ -0,0 +1,117 @@ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <ffi.h> +#include "fficonfig.h" + +#if defined HAVE_STDINT_H +#include <stdint.h> +#endif + +#if defined HAVE_INTTYPES_H +#include <inttypes.h> +#endif + +#define MAX_ARGS 256 + +#define CHECK(x) !(x) ? abort() : 0 + +/* Define __UNUSED__ that also other compilers than gcc can run the tests. */ +#undef __UNUSED__ +#if defined(__GNUC__) +#define __UNUSED__ __attribute__((__unused__)) +#else +#define __UNUSED__ +#endif + +/* Prefer MAP_ANON(YMOUS) to /dev/zero, since we don't need to keep a + file open. */ +#ifdef HAVE_MMAP_ANON +# undef HAVE_MMAP_DEV_ZERO + +# include <sys/mman.h> +# ifndef MAP_FAILED +# define MAP_FAILED -1 +# endif +# if !defined (MAP_ANONYMOUS) && defined (MAP_ANON) +# define MAP_ANONYMOUS MAP_ANON +# endif +# define USING_MMAP + +#endif + +#ifdef HAVE_MMAP_DEV_ZERO + +# include <sys/mman.h> +# ifndef MAP_FAILED +# define MAP_FAILED -1 +# endif +# define USING_MMAP + +#endif + +/* MinGW kludge. */ +#ifdef _WIN64 +#define PRIdLL "I64d" +#define PRIuLL "I64u" +#else +#define PRIdLL "lld" +#define PRIuLL "llu" +#endif + +/* PA HP-UX kludge. */ +#if defined(__hppa__) && defined(__hpux__) && !defined(PRIuPTR) +#define PRIuPTR "lu" +#endif + +/* Solaris < 10 kludge. */ +#if defined(__sun__) && defined(__svr4__) && !defined(PRIuPTR) +#if defined(__arch64__) || defined (__x86_64__) +#define PRIuPTR "lu" +#else +#define PRIuPTR "u" +#endif +#endif + +#ifdef USING_MMAP +static inline void * +allocate_mmap (size_t size) +{ + void *page; +#if defined (HAVE_MMAP_DEV_ZERO) + static int dev_zero_fd = -1; +#endif + +#ifdef HAVE_MMAP_DEV_ZERO + if (dev_zero_fd == -1) + { + dev_zero_fd = open ("/dev/zero", O_RDONLY); + if (dev_zero_fd == -1) + { + perror ("open /dev/zero: %m"); + exit (1); + } + } +#endif + + +#ifdef HAVE_MMAP_ANON + page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); +#endif +#ifdef HAVE_MMAP_DEV_ZERO + page = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE, dev_zero_fd, 0); +#endif + + if (page == (void *) MAP_FAILED) + { + perror ("virtual memory exhausted"); + exit (1); + } + + return page; +} + +#endif |