From b39f063f74bf0163eaf34db03134f226d18142ec Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 24 Mar 2011 07:37:29 +0000 Subject: xserver xkeyboard-config libX11 pixman mesa git update 24 Mar 2011 --- pixman/test/utils.h | 277 ++++++++++++++++++++++++++-------------------------- 1 file changed, 140 insertions(+), 137 deletions(-) (limited to 'pixman/test/utils.h') diff --git a/pixman/test/utils.h b/pixman/test/utils.h index 5643c1228..615ad7841 100644 --- a/pixman/test/utils.h +++ b/pixman/test/utils.h @@ -1,137 +1,140 @@ -#include -#include -#include -#include "pixman-private.h" /* For 'inline' definition */ - -#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0]))) - -/* A primitive pseudorandom number generator, - * taken from POSIX.1-2001 example - */ - -extern uint32_t lcg_seed; -#ifdef USE_OPENMP -#pragma omp threadprivate(lcg_seed) -#endif - -static inline uint32_t -lcg_rand (void) -{ - lcg_seed = lcg_seed * 1103515245 + 12345; - return ((uint32_t)(lcg_seed / 65536) % 32768); -} - -static inline void -lcg_srand (uint32_t seed) -{ - lcg_seed = seed; -} - -static inline uint32_t -lcg_rand_n (int max) -{ - return lcg_rand () % max; -} - -static inline uint32_t -lcg_rand_N (int max) -{ - uint32_t lo = lcg_rand (); - uint32_t hi = lcg_rand () << 15; - return (lo | hi) % max; -} - -static inline uint32_t -lcg_rand_u32 (void) -{ - uint32_t lo = lcg_rand(); - uint32_t hi = lcg_rand(); - - return (hi << 16) | lo; -} - -/* CRC 32 computation - */ -uint32_t -compute_crc32 (uint32_t in_crc32, - const void *buf, - size_t buf_len); - -/* perform endian conversion of pixel data - */ -void -image_endian_swap (pixman_image_t *img); - -/* Allocate memory that is bounded by protected pages, - * so that out-of-bounds access will cause segfaults - */ -void * -fence_malloc (int64_t len); - -void -fence_free (void *data); - -/* Generate n_bytes random bytes in fence_malloced memory */ -uint8_t * -make_random_bytes (int n_bytes); - -/* Return current time in seconds */ -double -gettime (void); - -/* main body of the fuzzer test */ -int -fuzzer_test_main (const char *test_name, - int default_number_of_iterations, - uint32_t expected_checksum, - uint32_t (*test_function)(int testnum, int verbose), - int argc, - const char *argv[]); - -void -fail_after (int seconds, const char *msg); - -/* If possible, enable traps for floating point exceptions */ -void enable_fp_exceptions(void); - -/* A pair of macros which can help to detect corruption of - * floating point registers after a function call. This may - * happen if _mm_empty() call is forgotten in MMX/SSE2 fast - * path code, or ARM NEON assembly optimized function forgets - * to save/restore d8-d15 registers before use. - */ - -#define FLOAT_REGS_CORRUPTION_DETECTOR_START() \ - static volatile double frcd_volatile_constant1 = 123451; \ - static volatile double frcd_volatile_constant2 = 123452; \ - static volatile double frcd_volatile_constant3 = 123453; \ - static volatile double frcd_volatile_constant4 = 123454; \ - static volatile double frcd_volatile_constant5 = 123455; \ - static volatile double frcd_volatile_constant6 = 123456; \ - static volatile double frcd_volatile_constant7 = 123457; \ - static volatile double frcd_volatile_constant8 = 123458; \ - double frcd_canary_variable1 = frcd_volatile_constant1; \ - double frcd_canary_variable2 = frcd_volatile_constant2; \ - double frcd_canary_variable3 = frcd_volatile_constant3; \ - double frcd_canary_variable4 = frcd_volatile_constant4; \ - double frcd_canary_variable5 = frcd_volatile_constant5; \ - double frcd_canary_variable6 = frcd_volatile_constant6; \ - double frcd_canary_variable7 = frcd_volatile_constant7; \ - double frcd_canary_variable8 = frcd_volatile_constant8; - -#define FLOAT_REGS_CORRUPTION_DETECTOR_FINISH() \ - assert (frcd_canary_variable1 == frcd_volatile_constant1); \ - assert (frcd_canary_variable2 == frcd_volatile_constant2); \ - assert (frcd_canary_variable3 == frcd_volatile_constant3); \ - assert (frcd_canary_variable4 == frcd_volatile_constant4); \ - assert (frcd_canary_variable5 == frcd_volatile_constant5); \ - assert (frcd_canary_variable6 == frcd_volatile_constant6); \ - assert (frcd_canary_variable7 == frcd_volatile_constant7); \ - assert (frcd_canary_variable8 == frcd_volatile_constant8); - -/* Try to get an aligned memory chunk */ -void * -aligned_malloc (size_t align, size_t size); - -void -initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb); +#include +#include +#include +#include "pixman-private.h" /* For 'inline' definition */ + +#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0]))) + +/* A primitive pseudorandom number generator, + * taken from POSIX.1-2001 example + */ + +extern uint32_t lcg_seed; +#ifdef USE_OPENMP +#pragma omp threadprivate(lcg_seed) +#endif + +static inline uint32_t +lcg_rand (void) +{ + lcg_seed = lcg_seed * 1103515245 + 12345; + return ((uint32_t)(lcg_seed / 65536) % 32768); +} + +static inline void +lcg_srand (uint32_t seed) +{ + lcg_seed = seed; +} + +static inline uint32_t +lcg_rand_n (int max) +{ + return lcg_rand () % max; +} + +static inline uint32_t +lcg_rand_N (int max) +{ + uint32_t lo = lcg_rand (); + uint32_t hi = lcg_rand () << 15; + return (lo | hi) % max; +} + +static inline uint32_t +lcg_rand_u32 (void) +{ + uint32_t lo = lcg_rand(); + uint32_t hi = lcg_rand(); + + return (hi << 16) | lo; +} + +/* CRC 32 computation + */ +uint32_t +compute_crc32 (uint32_t in_crc32, + const void *buf, + size_t buf_len); + +/* perform endian conversion of pixel data + */ +void +image_endian_swap (pixman_image_t *img); + +/* Allocate memory that is bounded by protected pages, + * so that out-of-bounds access will cause segfaults + */ +void * +fence_malloc (int64_t len); + +void +fence_free (void *data); + +/* Generate n_bytes random bytes in fence_malloced memory */ +uint8_t * +make_random_bytes (int n_bytes); + +/* Return current time in seconds */ +double +gettime (void); + +uint32_t +get_random_seed (void); + +/* main body of the fuzzer test */ +int +fuzzer_test_main (const char *test_name, + int default_number_of_iterations, + uint32_t expected_checksum, + uint32_t (*test_function)(int testnum, int verbose), + int argc, + const char *argv[]); + +void +fail_after (int seconds, const char *msg); + +/* If possible, enable traps for floating point exceptions */ +void enable_fp_exceptions(void); + +/* A pair of macros which can help to detect corruption of + * floating point registers after a function call. This may + * happen if _mm_empty() call is forgotten in MMX/SSE2 fast + * path code, or ARM NEON assembly optimized function forgets + * to save/restore d8-d15 registers before use. + */ + +#define FLOAT_REGS_CORRUPTION_DETECTOR_START() \ + static volatile double frcd_volatile_constant1 = 123451; \ + static volatile double frcd_volatile_constant2 = 123452; \ + static volatile double frcd_volatile_constant3 = 123453; \ + static volatile double frcd_volatile_constant4 = 123454; \ + static volatile double frcd_volatile_constant5 = 123455; \ + static volatile double frcd_volatile_constant6 = 123456; \ + static volatile double frcd_volatile_constant7 = 123457; \ + static volatile double frcd_volatile_constant8 = 123458; \ + double frcd_canary_variable1 = frcd_volatile_constant1; \ + double frcd_canary_variable2 = frcd_volatile_constant2; \ + double frcd_canary_variable3 = frcd_volatile_constant3; \ + double frcd_canary_variable4 = frcd_volatile_constant4; \ + double frcd_canary_variable5 = frcd_volatile_constant5; \ + double frcd_canary_variable6 = frcd_volatile_constant6; \ + double frcd_canary_variable7 = frcd_volatile_constant7; \ + double frcd_canary_variable8 = frcd_volatile_constant8; + +#define FLOAT_REGS_CORRUPTION_DETECTOR_FINISH() \ + assert (frcd_canary_variable1 == frcd_volatile_constant1); \ + assert (frcd_canary_variable2 == frcd_volatile_constant2); \ + assert (frcd_canary_variable3 == frcd_volatile_constant3); \ + assert (frcd_canary_variable4 == frcd_volatile_constant4); \ + assert (frcd_canary_variable5 == frcd_volatile_constant5); \ + assert (frcd_canary_variable6 == frcd_volatile_constant6); \ + assert (frcd_canary_variable7 == frcd_volatile_constant7); \ + assert (frcd_canary_variable8 == frcd_volatile_constant8); + +/* Try to get an aligned memory chunk */ +void * +aligned_malloc (size_t align, size_t size); + +void +initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb); -- cgit v1.2.3