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5e4e10636c
These are a grab bag of changes where the testsuite was using internal symbols of some variety, but this was straightforward to fix, and the fixed code should work with or without the change to compile the testsuite under _ISOMAC. Four of these are just more #include adjustments, but I want to highlight sysdeps/powerpc/fpu/tst-setcontext-fpscr.c, which appears to have been written before the advent of sys/auxv.h. I think a big chunk of this file could be replaced by a simple call to getauxval, but I'll let someone who actually has a powerpc machine to test on do that. dlfcn/tst-dladdr.c was including ldsodefs.h just so it could use DL_LOOKUP_ADDRESS to print an additional diagnostic; as requested by Carlos, I have removed this. math/test-misc.c was using #ifndef NO_LONG_DOUBLE, which is an internal configuration macro, to decide whether to do certain tests involving 'long double'. I changed the test to #if LDBL_MANT_DIG > DBL_MANT_DIG instead, which uses only public float.h macros and is equivalent on all supported platforms. (Note that NO_LONG_DOUBLE doesn't mean 'the compiler doesn't support long double', it means 'long double is the same as double'.) tst-writev.c has a configuration macro 'ARTIFICIAL_LIMIT' that the Makefiles are expected to define, and sysdeps/unix/sysv/linux/Makefile was using the internal __getpagesize in the definition; changed to sysconf(_SC_PAGESIZE) which is the POSIX equivalent. ia64-linux doesn't supply 'clone', only '__clone2', which is not defined in the public headers(!) All the other clone tests have local extern declarations of __clone2, but tst-clone.c doesn't; it was getting away with this because include/sched.h does declare __clone2. * nss/tst-cancel-getpwuid_r.c: Include nss.h. * string/strcasestr.c: No need to include config.h. * sysdeps/powerpc/fpu/tst-setcontext-fpscr.c: Include sys/auxv.h. Don't include sysdep.h. * sysdeps/powerpc/tst-set_ppr.c: Don't include dl-procinfo.h. * dlfcn/tst-dladdr.c: Don't include ldsodefs.h. Don't use DL_LOOKUP_ADDRESS. * math/test-misc.c: Instead of testing NO_LONG_DOUBLE, test whether LDBL_MANT_DIG is greater than DBL_MANT_DIG. * sysdeps/unix/sysv/linux/Makefile (CFLAGS-tst-writev.c): Use sysconf (_SC_PAGESIZE) instead of __getpagesize in definition of ARTIFICIAL_LIMIT. * sysdeps/unix/sysv/linux/tst-clone.c [__ia64__]: Add extern declaration of __clone2.
103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/* Test the implementation of __ppc_set_ppr_* functions.
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Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/auxv.h>
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#include <sys/platform/ppc.h>
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#include <support/test-driver.h>
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#ifdef __powerpc64__
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typedef uint64_t ppr_t;
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# define MFPPR "mfppr"
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/* The thread priority value is obtained from bits 11:13. */
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# define EXTRACT_THREAD_PRIORITY(x) ((x >> 50) & 7)
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#else
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typedef uint32_t ppr_t;
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# define MFPPR "mfppr32"
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/* For 32-bit, the upper 32 bits of the Program Priority Register (PPR)
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are used, so the thread priority value is obtained from bits 43:46. */
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# define EXTRACT_THREAD_PRIORITY(x) ((x >> 18) & 7)
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#endif /* !__powerpc64__ */
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/* Read the thread priority value set in the PPR. */
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static __inline__ ppr_t
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get_thread_priority (void)
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{
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/* Read the PPR. */
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ppr_t ppr;
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asm volatile (MFPPR" %0" : "=r"(ppr));
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/* Return the thread priority value. */
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return EXTRACT_THREAD_PRIORITY (ppr);
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}
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/* Check the thread priority bits of PPR are set as expected. */
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uint8_t
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check_thread_priority (uint8_t expected)
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{
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ppr_t actual = get_thread_priority ();
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if (actual != expected)
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{
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printf ("FAIL: Expected %"PRIu8" got %"PRIuMAX".\n", expected,
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(uintmax_t) actual);
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return 1;
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}
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printf ("PASS: Thread priority set to %"PRIu8" correctly.\n", expected);
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return 0;
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}
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/* The Power ISA 2.06 allows the following thread priorities for any
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problem state program: low (2), medium low (3), and medium (4).
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Power ISA 2.07b added very low (1).
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Check whether the values set by __ppc_set_ppr_* are correct. */
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static int
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do_test (void)
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{
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/* Check for the minimum required Power ISA to run these tests. */
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if ((getauxval (AT_HWCAP) & PPC_FEATURE_ARCH_2_06) == 0)
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{
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printf ("Requires an environment that implements the Power ISA version"
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" 2.06 or greater.\n");
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return EXIT_UNSUPPORTED;
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}
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uint8_t rc = 0;
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#ifdef _ARCH_PWR8
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__ppc_set_ppr_very_low ();
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rc |= check_thread_priority (1);
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#endif /* _ARCH_PWR8 */
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__ppc_set_ppr_low ();
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rc |= check_thread_priority (2);
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__ppc_set_ppr_med_low ();
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rc |= check_thread_priority (3);
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__ppc_set_ppr_med ();
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rc |= check_thread_priority (4);
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return rc;
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}
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#include <support/test-driver.c>
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