From nobody Tue Dec 16 20:12:28 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9369422DFA7; Mon, 7 Apr 2025 06:53:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744008803; cv=none; b=f4qlQBn2OHjmWwgNz6Wne9HH2qGNWalHE6WGhVzkZYlCfNeMB/bS2P4R/loDHYeTGg+CYfc/UpAwgrlzSkYxth7TsDTCUGO3++h1PkoI7UrvFW840PAm0VvW4CYLMrj4sSSOkTWSaQWJWNZfIBfJxdK/8C7ACdtLnj8TiqD0TyM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744008803; c=relaxed/simple; bh=t4cdn751b8ZL/EBwPtgZ0Wccis+025xK4yp9qeVhNFk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LG+R1qN+Ein/IWto5Vq5slkvy5jnekmtG2z6RvBqzlF9NHoglmQhYA93L18uiQ3Tb+IJ0GAAUPrdzIkaDpJncwlhu1c77j1mA6nrC6vVF6L8ZaOewaoneAJWfxUJDxtL5MDaDXAbHkvmrfwc9uTqP6xbyRkWgqzw+k7XiKYhf5A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=dYERS1AX; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=a6Ee2mgF; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="dYERS1AX"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="a6Ee2mgF" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1744008798; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=k8DW5l20ktp/sLUwR9pTBXowTMQFjcb1kK9a1ZiD1bs=; b=dYERS1AXZVMW4oEbZRLhwRFoFYnkcpcZz73bt7F/PgsHxPzVAf37l3TILVLAeh5Ppk+IhW T+dQSrlf3JYRMRX0moRoVFDBB1TChKIpmsrxR+F3ojV6/k/6k1dS4v1FS7FDT0x5J8XmaR Ma/H9JZnAbVjwS/zo+RJfEoPNejyjCQQpLOAdQfxAgjbm/gzPzWk0Hyrl4srLF9K5wp0Rt s00nKoszdtwy4Tjw3xiUUUeeb/cKBmGShkbbNj8J7IeJ1IjYRtWixfMz7Tz7chPBOZXHC+ ERkerkRSRQsYQ1MokTrMBEYBY6qfMbDQpXWHTmxfX/HuvNY7KJjTn+5zI1aTGg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1744008798; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=k8DW5l20ktp/sLUwR9pTBXowTMQFjcb1kK9a1ZiD1bs=; b=a6Ee2mgFJ2TAfZ96XWs76inhn2AqV7F6iRJ5t7PVZN1sMv0NYjqEmMrQ+v0GyGP9MUZ/XC CEkrmy5ghGEDrgCg== Date: Mon, 07 Apr 2025 08:52:55 +0200 Subject: [PATCH v2 32/32] HACK: selftests/nolibc: demonstrate usage of the kselftest harness Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250407-nolibc-kselftest-harness-v2-32-f8812f76e930@linutronix.de> References: <20250407-nolibc-kselftest-harness-v2-0-f8812f76e930@linutronix.de> In-Reply-To: <20250407-nolibc-kselftest-harness-v2-0-f8812f76e930@linutronix.de> To: Shuah Khan , Shuah Khan , Willy Tarreau , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1744008776; l=61263; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=t4cdn751b8ZL/EBwPtgZ0Wccis+025xK4yp9qeVhNFk=; b=B+7IsZleinS6gQKX6XmGskADKLZ5wvogFqhJDjikcIB8A4O4iwWAefonIeUqekBdN4gH/glGo RHOmLu+Kj7mAQ66Vb8ilk563LSlKlOn+yFrTOM7YBWWM5KftTFveS9h X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= Show how to use the kselftest harness together with nolibc. This just runs the existing harness selftest by crudely replacing the regular nolibc-test.c with the harness-selftest.c to get that wired up easi= ly. To use it: $ cd tools/testing/selftests/nolibc/ $ ./run-tests -m user In the future nolibc-test can use the harness for itself. Not-Signed-off-by: Thomas Wei=C3=9Fschuh --- .../testing/selftests/kselftest/harness-selftest.c | 2 +- tools/testing/selftests/nolibc/Makefile | 13 +- tools/testing/selftests/nolibc/harness-selftest.c | 1 + tools/testing/selftests/nolibc/nolibc-test.c | 1715 +---------------= ---- tools/testing/selftests/nolibc/run-tests.sh | 2 +- 5 files changed, 11 insertions(+), 1722 deletions(-) diff --git a/tools/testing/selftests/kselftest/harness-selftest.c b/tools/t= esting/selftests/kselftest/harness-selftest.c index 8d39e7a0b99c41a5d33edfe2dbf875cac04c098d..bbb2fda7042ca8bac608625e6f4= 302466b23f7b3 100644 --- a/tools/testing/selftests/kselftest/harness-selftest.c +++ b/tools/testing/selftests/kselftest/harness-selftest.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ =20 #include =20 diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selfte= sts/nolibc/Makefile index 58bcbbd029bc3ad9ccac968191b703ccf5df0717..7c037fb3f3c8d8e510cf8a6e80f= cd11f0ec3538c 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -165,8 +165,8 @@ Q=3D@ endif =20 CFLAGS_i386 =3D $(call cc-option,-m32) -CFLAGS_arm =3D -marm -CFLAGS_armthumb =3D -mthumb -march=3Darmv6t2 +CFLAGS_arm =3D -marm -march=3Darmv7-a +CFLAGS_armthumb =3D -mthumb -march=3Darmv7 CFLAGS_ppc =3D -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64 =3D -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64le =3D -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=3D= elfv2) @@ -175,8 +175,10 @@ CFLAGS_s390 =3D -m31 CFLAGS_mips32le =3D -EL -mabi=3D32 -fPIC CFLAGS_mips32be =3D -EB -mabi=3D32 CFLAGS_STACKPROTECTOR ?=3D $(call cc-option,-mstack-protector-guard=3Dglob= al $(call cc-option,-fstack-protector-all)) -CFLAGS ?=3D -Os -fno-ident -fno-asynchronous-unwind-tables -std=3Dc89 -W = -Wall -Wextra \ +CFLAGS ?=3D -Os -fno-ident -fno-asynchronous-unwind-tables -std=3Dc89 -W = -Wall -Wextra -ggdb -ffreestanding \ + -ffile-prefix-map=3D./=3D \ $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-protot= ypes) \ + $(call cc-option,-mno-outline-atomics) \ $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_EXTRA) LDFLAGS :=3D =20 @@ -193,10 +195,7 @@ include $(srctree)/tools/scripts/Makefile.include # GCC uses "s390", clang "systemz" CLANG_CROSS_FLAGS :=3D $(subst --target=3Ds390-linux,--target=3Dsystemz-li= nux,$(CLANG_CROSS_FLAGS)) =20 -REPORT ?=3D awk '/\[OK\][\r]*$$/{p++} /\[FAIL\][\r]*$$/{if (!f) printf("\= n"); f++; print;} /\[SKIPPED\][\r]*$$/{s++} \ - END{ printf("\n%3d test(s): %3d passed, %3d skipped, %3d failed =3D> sta= tus: ", p+s+f, p, s, f); \ - if (f || !p) printf("failure\n"); else if (s) printf("warning\n"); else = printf("success\n");; \ - printf("\nSee all results in %s\n", ARGV[1]); }' +REPORT =3D sed -i -e '/^\[/d' -e 's/\x0d//' run.out; cmp ../kselftest/har= ness-selftest.expected run.out && echo ok; true =20 help: @echo "Supported targets under selftests/nolibc:" diff --git a/tools/testing/selftests/nolibc/harness-selftest.c b/tools/test= ing/selftests/nolibc/harness-selftest.c new file mode 120000 index 0000000000000000000000000000000000000000..847b121e60482513cd0911422cf= db19bdf681bd6 --- /dev/null +++ b/tools/testing/selftests/nolibc/harness-selftest.c @@ -0,0 +1 @@ +../kselftest/harness-selftest.c \ No newline at end of file diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index 16ec4f658bbec43440679c5d5c35014827c377bc..9a074d2b24c99d86bf27f8399f2= e7dc719dbcd24 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1,1716 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ =20 -#define _GNU_SOURCE -#define _LARGEFILE64_SOURCE +#define inline __inline__ =20 -/* libc-specific include files - * The program may be built in 3 ways: - * $(CC) -nostdlib -include /path/to/nolibc.h =3D> NOLIBC already defined - * $(CC) -nostdlib -I/path/to/nolibc/sysroot =3D> _NOLIBC_* guards are = present - * $(CC) with default libc =3D> NOLIBC* never defined - */ -#ifndef NOLIBC -#include -#include -#include -#ifndef _NOLIBC_STDIO_H -/* standard libcs need more includes */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#endif -#endif - -#pragma GCC diagnostic ignored "-Wmissing-prototypes" - -#include "nolibc-test-linkage.h" - -/* for the type of int_fast16_t and int_fast32_t, musl differs from glibc = and nolibc */ -#define SINT_MAX_OF_TYPE(type) (((type)1 << (sizeof(type) * 8 - 2)) - (typ= e)1 + ((type)1 << (sizeof(type) * 8 - 2))) -#define SINT_MIN_OF_TYPE(type) (-SINT_MAX_OF_TYPE(type) - 1) - -/* will be used to test initialization of environ */ -static char **test_envp; - -/* will be used to test initialization of argv */ -static char **test_argv; - -/* will be used to test initialization of argc */ -static int test_argc; - -/* will be used by some test cases as readable file, please don't write it= */ -static const char *argv0; - -/* will be used by constructor tests */ -static int constructor_test_value; - -static const int is_nolibc =3D -#ifdef NOLIBC - 1 -#else - 0 -#endif -; - -/* definition of a series of tests */ -struct test { - const char *name; /* test name */ - int (*func)(int min, int max); /* handler */ -}; - -#ifndef _NOLIBC_STDLIB_H -char *itoa(int i) -{ - static char buf[12]; - int ret; - - ret =3D snprintf(buf, sizeof(buf), "%d", i); - return (ret >=3D 0 && ret < sizeof(buf)) ? buf : "#err"; -} -#endif - -#define CASE_ERR(err) \ - case err: return #err - -/* returns the error name (e.g. "ENOENT") for common errors, "SUCCESS" for= 0, - * or the decimal value for less common ones. - */ -static const char *errorname(int err) -{ - switch (err) { - case 0: return "SUCCESS"; - CASE_ERR(EPERM); - CASE_ERR(ENOENT); - CASE_ERR(ESRCH); - CASE_ERR(EINTR); - CASE_ERR(EIO); - CASE_ERR(ENXIO); - CASE_ERR(E2BIG); - CASE_ERR(ENOEXEC); - CASE_ERR(EBADF); - CASE_ERR(ECHILD); - CASE_ERR(EAGAIN); - CASE_ERR(ENOMEM); - CASE_ERR(EACCES); - CASE_ERR(EFAULT); - CASE_ERR(ENOTBLK); - CASE_ERR(EBUSY); - CASE_ERR(EEXIST); - CASE_ERR(EXDEV); - CASE_ERR(ENODEV); - CASE_ERR(ENOTDIR); - CASE_ERR(EISDIR); - CASE_ERR(EINVAL); - CASE_ERR(ENFILE); - CASE_ERR(EMFILE); - CASE_ERR(ENOTTY); - CASE_ERR(ETXTBSY); - CASE_ERR(EFBIG); - CASE_ERR(ENOSPC); - CASE_ERR(ESPIPE); - CASE_ERR(EROFS); - CASE_ERR(EMLINK); - CASE_ERR(EPIPE); - CASE_ERR(EDOM); - CASE_ERR(ERANGE); - CASE_ERR(ENOSYS); - CASE_ERR(EOVERFLOW); - default: - return itoa(err); - } -} - -static void align_result(size_t llen) -{ - const size_t align =3D 64; - char buf[align]; - size_t n; - - if (llen >=3D align) - return; - - n =3D align - llen; - memset(buf, ' ', n); - buf[n] =3D '\0'; - fputs(buf, stdout); -} - -enum RESULT { - OK, - FAIL, - SKIPPED, -}; - -static void result(int llen, enum RESULT r) -{ - const char *msg; - - if (r =3D=3D OK) - msg =3D " [OK]"; - else if (r =3D=3D SKIPPED) - msg =3D "[SKIPPED]"; - else - msg =3D " [FAIL]"; - - align_result(llen); - puts(msg); -} - -/* The tests below are intended to be used by the macroes, which evaluate - * expression , print the status to stdout, and update the "ret" - * variable to count failures. The functions themselves return the number - * of failures, thus either 0 or 1. - */ - -#define EXPECT_ZR(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_zr(expr, ll= en); } while (0) - -static __attribute__((unused)) -int expect_zr(int expr, int llen) -{ - int ret =3D !(expr =3D=3D 0); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_NZ(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_nz(expr, ll= en; } while (0) - -static __attribute__((unused)) -int expect_nz(int expr, int llen) -{ - int ret =3D !(expr !=3D 0); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_EQ(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_eq(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_eq(uint64_t expr, int llen, uint64_t val) -{ - int ret =3D !(expr =3D=3D val); - - llen +=3D printf(" =3D %lld ", (long long)expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_NE(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ne(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_ne(int expr, int llen, int val) -{ - int ret =3D !(expr !=3D val); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_GE(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ge(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_ge(int expr, int llen, int val) -{ - int ret =3D !(expr >=3D val); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_GT(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_gt(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_gt(int expr, int llen, int val) -{ - int ret =3D !(expr > val); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_LE(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_le(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_le(int expr, int llen, int val) -{ - int ret =3D !(expr <=3D val); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_LT(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_lt(expr, ll= en, val); } while (0) - -static __attribute__((unused)) -int expect_lt(int expr, int llen, int val) -{ - int ret =3D !(expr < val); - - llen +=3D printf(" =3D %d ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_SYSZR(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_syszr(expr,= llen); } while (0) - -static __attribute__((unused)) -int expect_syszr(int expr, int llen) -{ - int ret =3D 0; - - if (errno =3D=3D ENOSYS) { - llen +=3D printf(" =3D ENOSYS"); - result(llen, SKIPPED); - } else if (expr) { - ret =3D 1; - llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - result(llen, FAIL); - } else { - llen +=3D printf(" =3D %d ", expr); - result(llen, OK); - } - return ret; -} - - -#define EXPECT_SYSEQ(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_syseq(expr,= llen, val); } while (0) - -static __attribute__((unused)) -int expect_syseq(int expr, int llen, int val) -{ - int ret =3D 0; - - if (expr !=3D val) { - ret =3D 1; - llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - result(llen, FAIL); - } else { - llen +=3D printf(" =3D %d ", expr); - result(llen, OK); - } - return ret; -} - - -#define EXPECT_SYSNE(cond, expr, val) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_sysne(expr,= llen, val); } while (0) - -static __attribute__((unused)) -int expect_sysne(int expr, int llen, int val) -{ - int ret =3D 0; - - if (errno =3D=3D ENOSYS) { - llen +=3D printf(" =3D ENOSYS"); - result(llen, SKIPPED); - } else if (expr =3D=3D val) { - ret =3D 1; - llen +=3D printf(" =3D %d %s ", expr, errorname(errno)); - result(llen, FAIL); - } else { - llen +=3D printf(" =3D %d ", expr); - result(llen, OK); - } - return ret; -} - - -#define EXPECT_SYSER2(cond, expr, expret, experr1, experr2) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_syserr2(exp= r, expret, experr1, experr2, llen); } while (0) - -#define EXPECT_SYSER(cond, expr, expret, experr) \ - EXPECT_SYSER2(cond, expr, expret, experr, 0) - -static __attribute__((unused)) -int expect_syserr2(int expr, int expret, int experr1, int experr2, int lle= n) -{ - int ret =3D 0; - int _errno =3D errno; - - llen +=3D printf(" =3D %d %s ", expr, errorname(_errno)); - if (errno =3D=3D ENOSYS) { - result(llen, SKIPPED); - } else if (expr !=3D expret || (_errno !=3D experr1 && _errno !=3D experr= 2)) { - ret =3D 1; - if (experr2 =3D=3D 0) - llen +=3D printf(" !=3D (%d %s) ", expret, errorname(experr1)); - else - llen +=3D printf(" !=3D (%d %s %s) ", expret, errorname(experr1), error= name(experr2)); - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - - -#define EXPECT_PTRZR(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrzr(expr,= llen); } while (0) - -static __attribute__((unused)) -int expect_ptrzr(const void *expr, int llen) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%p> ", expr); - if (expr) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - - -#define EXPECT_PTRNZ(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrnz(expr,= llen); } while (0) - -static __attribute__((unused)) -int expect_ptrnz(const void *expr, int llen) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%p> ", expr); - if (!expr) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - -#define EXPECT_PTREQ(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptreq(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptreq(const void *expr, int llen, const void *cmp) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%p> ", expr); - if (expr !=3D cmp) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - -#define EXPECT_PTRNE(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrne(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptrne(const void *expr, int llen, const void *cmp) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%p> ", expr); - if (expr =3D=3D cmp) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - -#define EXPECT_PTRGE(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrge(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptrge(const void *expr, int llen, const void *cmp) -{ - int ret =3D !(expr >=3D cmp); - - llen +=3D printf(" =3D <%p> ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - -#define EXPECT_PTRGT(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrgt(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptrgt(const void *expr, int llen, const void *cmp) -{ - int ret =3D !(expr > cmp); - - llen +=3D printf(" =3D <%p> ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_PTRLE(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrle(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptrle(const void *expr, int llen, const void *cmp) -{ - int ret =3D !(expr <=3D cmp); - - llen +=3D printf(" =3D <%p> ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - - -#define EXPECT_PTRLT(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrlt(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_ptrlt(const void *expr, int llen, const void *cmp) -{ - int ret =3D !(expr < cmp); - - llen +=3D printf(" =3D <%p> ", expr); - result(llen, ret ? FAIL : OK); - return ret; -} - -#define EXPECT_PTRER2(cond, expr, expret, experr1, experr2) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_ptrerr2(exp= r, expret, experr1, experr2, llen); } while (0) - -#define EXPECT_PTRER(cond, expr, expret, experr) \ - EXPECT_PTRER2(cond, expr, expret, experr, 0) - -static __attribute__((unused)) -int expect_ptrerr2(const void *expr, const void *expret, int experr1, int = experr2, int llen) -{ - int ret =3D 0; - int _errno =3D errno; - - llen +=3D printf(" =3D <%p> %s ", expr, errorname(_errno)); - if (expr !=3D expret || (_errno !=3D experr1 && _errno !=3D experr2)) { - ret =3D 1; - if (experr2 =3D=3D 0) - llen +=3D printf(" !=3D (<%p> %s) ", expret, errorname(experr1)); - else - llen +=3D printf(" !=3D (<%p> %s %s) ", expret, errorname(experr1), err= orname(experr2)); - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - -#define EXPECT_STRZR(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_strzr(expr,= llen); } while (0) - -static __attribute__((unused)) -int expect_strzr(const char *expr, int llen) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%s> ", expr ? expr : "(null)"); - if (expr) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - - -#define EXPECT_STRNZ(cond, expr) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_strnz(expr,= llen); } while (0) - -static __attribute__((unused)) -int expect_strnz(const char *expr, int llen) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%s> ", expr ? expr : "(null)"); - if (!expr) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - - -#define EXPECT_STREQ(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_streq(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_streq(const char *expr, int llen, const char *cmp) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%s> ", expr); - if (strcmp(expr, cmp) !=3D 0) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - - -#define EXPECT_STRNE(cond, expr, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_strne(expr,= llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_strne(const char *expr, int llen, const char *cmp) -{ - int ret =3D 0; - - llen +=3D printf(" =3D <%s> ", expr); - if (strcmp(expr, cmp) =3D=3D 0) { - ret =3D 1; - result(llen, FAIL); - } else { - result(llen, OK); - } - return ret; -} - -#define EXPECT_STRBUFEQ(cond, expr, buf, val, cmp) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_str_buf_eq(= expr, buf, val, llen, cmp); } while (0) - -static __attribute__((unused)) -int expect_str_buf_eq(size_t expr, const char *buf, size_t val, int llen, = const char *cmp) -{ - llen +=3D printf(" =3D %lu <%s> ", (unsigned long)expr, buf); - if (strcmp(buf, cmp) !=3D 0) { - result(llen, FAIL); - return 1; - } - if (expr !=3D val) { - result(llen, FAIL); - return 1; - } - - result(llen, OK); - return 0; -} - -#define EXPECT_STRTOX(cond, func, input, base, expected, chars, expected_e= rrno) \ - do { if (!(cond)) result(llen, SKIPPED); else ret +=3D expect_strtox(llen= , func, input, base, expected, chars, expected_errno); } while (0) - -static __attribute__((unused)) -int expect_strtox(int llen, void *func, const char *input, int base, intma= x_t expected, int expected_chars, int expected_errno) -{ - char *endptr; - int actual_errno, actual_chars; - intmax_t r; - - errno =3D 0; - if (func =3D=3D strtol) { - r =3D strtol(input, &endptr, base); - } else if (func =3D=3D strtoul) { - r =3D strtoul(input, &endptr, base); - } else { - result(llen, FAIL); - return 1; - } - actual_errno =3D errno; - actual_chars =3D endptr - input; - - llen +=3D printf(" %lld =3D %lld", (long long)expected, (long long)r); - if (r !=3D expected) { - result(llen, FAIL); - return 1; - } - if (expected_chars =3D=3D -1) { - if (*endptr !=3D '\0') { - result(llen, FAIL); - return 1; - } - } else if (expected_chars !=3D actual_chars) { - result(llen, FAIL); - return 1; - } - if (actual_errno !=3D expected_errno) { - result(llen, FAIL); - return 1; - } - - result(llen, OK); - return 0; -} - -/* declare tests based on line numbers. There must be exactly one test per= line. */ -#define CASE_TEST(name) \ - case __LINE__: llen +=3D printf("%d %s", test, #name); - -/* constructors validate that they are executed in definition order */ -__attribute__((constructor)) -static void constructor1(void) -{ - constructor_test_value |=3D 1 << 0; -} - -__attribute__((constructor)) -static void constructor2(int argc, char **argv, char **envp) -{ - if (argc && argv && envp) - constructor_test_value |=3D 1 << 1; -} - -int run_startup(int min, int max) -{ - int test; - int ret =3D 0; - /* kernel at least passes HOME and TERM, shell passes more */ - int env_total =3D 2; - /* checking NULL for argv/argv0, environ and _auxv is not enough, let's c= ompare with sbrk(0) or &end */ - extern char end; - char *brk =3D sbrk(0) !=3D (void *)-1 ? sbrk(0) : &end; - /* differ from nolibc, both glibc and musl have no global _auxv */ - const unsigned long *test_auxv =3D (void *)-1; -#ifdef NOLIBC - test_auxv =3D _auxv; -#endif - - for (test =3D min; test >=3D 0 && test <=3D max; test++) { - int llen =3D 0; /* line length */ - - /* avoid leaving empty lines below, this will insert holes into - * test numbers. - */ - switch (test + __LINE__ + 1) { - CASE_TEST(argc); EXPECT_GE(1, test_argc, 1); break; - CASE_TEST(argv_addr); EXPECT_PTRGT(1, test_argv, brk); break; - CASE_TEST(argv_environ); EXPECT_PTRLT(1, test_argv, environ); break; - CASE_TEST(argv_total); EXPECT_EQ(1, environ - test_argv - 1, test_= argc ?: 1); break; - CASE_TEST(argv0_addr); EXPECT_PTRGT(1, argv0, brk); break; - CASE_TEST(argv0_str); EXPECT_STRNZ(1, argv0 > brk ? argv0 : NULL)= ; break; - CASE_TEST(argv0_len); EXPECT_GE(1, argv0 > brk ? strlen(argv0) := 0, 1); break; - CASE_TEST(environ_addr); EXPECT_PTRGT(1, environ, brk); break; - CASE_TEST(environ_envp); EXPECT_PTREQ(1, environ, test_envp); break; - CASE_TEST(environ_auxv); EXPECT_PTRLT(test_auxv !=3D (void *)-1, env= iron, test_auxv); break; - CASE_TEST(environ_total); EXPECT_GE(test_auxv !=3D (void *)-1, (void = *)test_auxv - (void *)environ - 1, env_total); break; - CASE_TEST(environ_HOME); EXPECT_PTRNZ(1, getenv("HOME")); break; - CASE_TEST(auxv_addr); EXPECT_PTRGT(test_auxv !=3D (void *)-1, tes= t_auxv, brk); break; - CASE_TEST(auxv_AT_UID); EXPECT_EQ(1, getauxval(AT_UID), getuid()); = break; - CASE_TEST(constructor); EXPECT_EQ(is_nolibc, constructor_test_value= , 0x3); break; - CASE_TEST(linkage_errno); EXPECT_PTREQ(1, linkage_test_errno_addr(), = &errno); break; - CASE_TEST(linkage_constr); EXPECT_EQ(1, linkage_test_constructor_test_= value, 0x3); break; - case __LINE__: - return ret; /* must be last */ - /* note: do not set any defaults so as to permit holes above */ - } - } - return ret; -} - - -/* used by some syscall tests below */ -int test_getdents64(const char *dir) -{ - char buffer[4096]; - int fd, ret; - int err; - - ret =3D fd =3D open(dir, O_RDONLY | O_DIRECTORY, 0); - if (ret < 0) - return ret; - - ret =3D getdents64(fd, (void *)buffer, sizeof(buffer)); - err =3D errno; - close(fd); - - errno =3D err; - return ret; -} - -static int test_dirent(void) -{ - int comm =3D 0, cmdline =3D 0; - struct dirent dirent, *result; - DIR *dir; - int ret; - - dir =3D opendir("/proc/self"); - if (!dir) - return 1; - - while (1) { - errno =3D 0; - ret =3D readdir_r(dir, &dirent, &result); - if (ret !=3D 0) - return 1; - if (!result) - break; - - if (strcmp(dirent.d_name, "comm") =3D=3D 0) - comm++; - else if (strcmp(dirent.d_name, "cmdline") =3D=3D 0) - cmdline++; - } - - if (errno) - return 1; - - ret =3D closedir(dir); - if (ret) - return 1; - - if (comm !=3D 1 || cmdline !=3D 1) - return 1; - - return 0; -} - -int test_getpagesize(void) -{ - int x =3D getpagesize(); - int c; - - if (x < 0) - return x; - -#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defin= ed(__i586__) || defined(__i686__) - /* - * x86 family is always 4K page. - */ - c =3D (x =3D=3D 4096); -#elif defined(__aarch64__) - /* - * Linux aarch64 supports three values of page size: 4K, 16K, and 64K - * which are selected at kernel compilation time. - */ - c =3D (x =3D=3D 4096 || x =3D=3D (16 * 1024) || x =3D=3D (64 * 1024)); -#else - /* - * Assuming other architectures must have at least 4K page. - */ - c =3D (x >=3D 4096); -#endif - - return !c; -} - -int test_fork(void) -{ - int status; - pid_t pid; - - /* flush the printf buffer to avoid child flush it */ - fflush(stdout); - fflush(stderr); - - pid =3D fork(); - - switch (pid) { - case -1: - return 1; - - case 0: - exit(123); - - default: - pid =3D waitpid(pid, &status, 0); - - return pid =3D=3D -1 || !WIFEXITED(status) || WEXITSTATUS(status) !=3D 1= 23; - } -} - -int test_stat_timestamps(void) -{ - struct stat st; - - if (sizeof(st.st_atim.tv_sec) !=3D sizeof(st.st_atime)) - return 1; - - if (stat("/proc/self/", &st) && stat(argv0, &st) && stat("/", &st)) - return 1; - - if (st.st_atim.tv_sec !=3D st.st_atime || st.st_atim.tv_nsec > 1000000000) - return 1; - - if (st.st_mtim.tv_sec !=3D st.st_mtime || st.st_mtim.tv_nsec > 1000000000) - return 1; - - if (st.st_ctim.tv_sec !=3D st.st_ctime || st.st_ctim.tv_nsec > 1000000000) - return 1; - - return 0; -} - -int test_uname(void) -{ - struct utsname buf; - char osrelease[sizeof(buf.release)]; - ssize_t r; - int fd; - - memset(&buf.domainname, 'P', sizeof(buf.domainname)); - - if (uname(&buf)) - return 1; - - if (strncmp("Linux", buf.sysname, sizeof(buf.sysname))) - return 1; - - fd =3D open("/proc/sys/kernel/osrelease", O_RDONLY); - if (fd =3D=3D -1) - return 1; - - r =3D read(fd, osrelease, sizeof(osrelease)); - if (r =3D=3D -1) - return 1; - - close(fd); - - if (osrelease[r - 1] =3D=3D '\n') - r--; - - /* Validate one of the later fields to ensure field sizes are correct */ - if (strncmp(osrelease, buf.release, r)) - return 1; - - /* Ensure the field domainname is set, it is missing from struct old_utsn= ame */ - if (strnlen(buf.domainname, sizeof(buf.domainname)) =3D=3D sizeof(buf.dom= ainname)) - return 1; - - return 0; -} - -int test_mmap_munmap(void) -{ - int ret, fd, i, page_size; - void *mem; - size_t file_size, length; - off_t offset, pa_offset; - struct stat stat_buf; - const char * const files[] =3D { - "/dev/zero", - "/proc/1/exe", "/proc/self/exe", - argv0, - NULL - }; - - page_size =3D getpagesize(); - if (page_size < 0) - return 1; - - /* find a right file to mmap, existed and accessible */ - for (i =3D 0; files[i] !=3D NULL; i++) { - ret =3D fd =3D open(files[i], O_RDONLY); - if (ret =3D=3D -1) - continue; - else - break; - } - if (ret =3D=3D -1) - return 1; - - ret =3D stat(files[i], &stat_buf); - if (ret =3D=3D -1) - goto end; - - /* file size of the special /dev/zero is 0, let's assign one manually */ - if (i =3D=3D 0) - file_size =3D 3*page_size; - else - file_size =3D stat_buf.st_size; - - offset =3D file_size - 1; - if (offset < 0) - offset =3D 0; - length =3D file_size - offset; - pa_offset =3D offset & ~(page_size - 1); - - mem =3D mmap(NULL, length + offset - pa_offset, PROT_READ, MAP_SHARED, fd= , pa_offset); - if (mem =3D=3D MAP_FAILED) { - ret =3D 1; - goto end; - } - - ret =3D munmap(mem, length + offset - pa_offset); - -end: - close(fd); - return !!ret; -} - -int test_pipe(void) -{ - const char *const msg =3D "hello, nolibc"; - int pipefd[2]; - char buf[32]; - size_t len; - - if (pipe(pipefd) =3D=3D -1) - return 1; - - write(pipefd[1], msg, strlen(msg)); - close(pipefd[1]); - len =3D read(pipefd[0], buf, sizeof(buf)); - close(pipefd[0]); - - if (len !=3D strlen(msg)) - return 1; - - return !!memcmp(buf, msg, len); -} - -int test_rlimit(void) -{ - struct rlimit rlim =3D { - .rlim_cur =3D 1 << 20, - .rlim_max =3D 1 << 21, - }; - int ret; - - ret =3D setrlimit(RLIMIT_CORE, &rlim); - if (ret) - return -1; - - rlim.rlim_cur =3D 0; - rlim.rlim_max =3D 0; - - ret =3D getrlimit(RLIMIT_CORE, &rlim); - if (ret) - return -1; - - if (rlim.rlim_cur !=3D 1 << 20) - return -1; - if (rlim.rlim_max !=3D 1 << 21) - return -1; - - return 0; -} - -int test_openat(void) -{ - int dev, null; - - dev =3D openat(AT_FDCWD, "/dev", O_DIRECTORY); - if (dev < 0) - return -1; - - null =3D openat(dev, "null", O_RDONLY); - close(dev); - if (null < 0) - return -1; - - close(null); - return 0; -} - -/* Run syscall tests between IDs and . - * Return 0 on success, non-zero on failure. - */ -int run_syscall(int min, int max) -{ - struct timeval tv; - struct timezone tz; - struct stat stat_buf; - int euid0; - int proc; - int test; - int tmp; - int ret =3D 0; - void *p1, *p2; - int has_gettid =3D 1; - int has_brk; - - /* indicates whether or not /proc is mounted */ - proc =3D stat("/proc", &stat_buf) =3D=3D 0; - - /* this will be used to skip certain tests that can't be run unprivileged= */ - euid0 =3D geteuid() =3D=3D 0; - - /* from 2.30, glibc provides gettid() */ -#if defined(__GLIBC_MINOR__) && defined(__GLIBC__) - has_gettid =3D __GLIBC__ > 2 || (__GLIBC__ =3D=3D 2 && __GLIBC_MINOR__ >= =3D 30); -#endif - - /* on musl setting brk()/sbrk() always fails */ - has_brk =3D brk(0) =3D=3D 0; - - for (test =3D min; test >=3D 0 && test <=3D max; test++) { - int llen =3D 0; /* line length */ - - /* avoid leaving empty lines below, this will insert holes into - * test numbers. - */ - switch (test + __LINE__ + 1) { - CASE_TEST(getpid); EXPECT_SYSNE(1, getpid(), -1); break; - CASE_TEST(getppid); EXPECT_SYSNE(1, getppid(), -1); break; - CASE_TEST(gettid); EXPECT_SYSNE(has_gettid, gettid(), -1); br= eak; - CASE_TEST(getpgid_self); EXPECT_SYSNE(1, getpgid(0), -1); break; - CASE_TEST(getpgid_bad); EXPECT_SYSER(1, getpgid(-1), -1, ESRCH); b= reak; - CASE_TEST(kill_0); EXPECT_SYSZR(1, kill(getpid(), 0)); break; - CASE_TEST(kill_CONT); EXPECT_SYSZR(1, kill(getpid(), 0)); break; - CASE_TEST(kill_BADPID); EXPECT_SYSER(1, kill(INT_MAX, 0), -1, ESRC= H); break; - CASE_TEST(sbrk_0); EXPECT_PTRNE(has_brk, sbrk(0), (void *)-1)= ; break; - CASE_TEST(sbrk); if ((p1 =3D p2 =3D sbrk(4096)) !=3D (void = *)-1) p2 =3D sbrk(-4096); EXPECT_SYSZR(has_brk, (p2 =3D=3D (void *)-1) || p= 2 =3D=3D p1); break; - CASE_TEST(brk); EXPECT_SYSZR(has_brk, brk(sbrk(0))); break; - CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); chdir(getenv(= "PWD")); break; - CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break; - CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT= ); break; - CASE_TEST(chmod_argv0); EXPECT_SYSZR(1, chmod(argv0, 0555)); break; - CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 055= 5), -1, EPERM); break; - CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, = 0), -1, EPERM); break; - CASE_TEST(chroot_root); EXPECT_SYSZR(euid0, chroot("/")); break; - CASE_TEST(chroot_blah); EXPECT_SYSER(1, chroot("/proc/self/blah"),= -1, ENOENT); break; - CASE_TEST(chroot_exe); EXPECT_SYSER(1, chroot(argv0), -1, ENOTDIR= ); break; - CASE_TEST(close_m1); EXPECT_SYSER(1, close(-1), -1, EBADF); bre= ak; - CASE_TEST(close_dup); EXPECT_SYSZR(1, close(dup(0))); break; - CASE_TEST(dup_0); tmp =3D dup(0); EXPECT_SYSNE(1, tmp, -1);= close(tmp); break; - CASE_TEST(dup_m1); tmp =3D dup(-1); EXPECT_SYSER(1, tmp, -1, = EBADF); if (tmp !=3D -1) close(tmp); break; - CASE_TEST(dup2_0); tmp =3D dup2(0, 100); EXPECT_SYSNE(1, tmp= , -1); close(tmp); break; - CASE_TEST(dup2_m1); tmp =3D dup2(-1, 100); EXPECT_SYSER(1, tmp= , -1, EBADF); if (tmp !=3D -1) close(tmp); break; - CASE_TEST(dup3_0); tmp =3D dup3(0, 100, 0); EXPECT_SYSNE(1, = tmp, -1); close(tmp); break; - CASE_TEST(dup3_m1); tmp =3D dup3(-1, 100, 0); EXPECT_SYSER(1, = tmp, -1, EBADF); if (tmp !=3D -1) close(tmp); break; - CASE_TEST(execve_root); EXPECT_SYSER(1, execve("/", (char*[]){ [0]= =3D "/", [1] =3D NULL }, NULL), -1, EACCES); break; - CASE_TEST(fork); EXPECT_SYSZR(1, test_fork()); break; - CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1);= break; - CASE_TEST(getdents64_null); EXPECT_SYSER(1, test_getdents64("/dev/null= "), -1, ENOTDIR); break; - CASE_TEST(directories); EXPECT_SYSZR(proc, test_dirent()); break; - CASE_TEST(gettimeofday_tv); EXPECT_SYSZR(1, gettimeofday(&tv, NULL)); = break; - CASE_TEST(gettimeofday_tv_tz);EXPECT_SYSZR(1, gettimeofday(&tv, &tz)); b= reak; - CASE_TEST(getpagesize); EXPECT_SYSZR(1, test_getpagesize()); break; - CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); = break; - CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST= ); break; - CASE_TEST(link_blah); EXPECT_SYSER(1, link("/proc/self/blah", "/= blah"), -1, ENOENT); break; - CASE_TEST(link_dir); EXPECT_SYSER(euid0, link("/", "/blah"), -1= , EPERM); break; - CASE_TEST(link_cross); EXPECT_SYSER(proc, link("/proc/self/cmdlin= e", "/blah"), -1, EXDEV); break; - CASE_TEST(lseek_m1); EXPECT_SYSER(1, lseek(-1, 0, SEEK_SET), -1= , EBADF); break; - CASE_TEST(lseek_0); EXPECT_SYSER(1, lseek(0, 0, SEEK_SET), -1,= ESPIPE); break; - CASE_TEST(mkdir_root); EXPECT_SYSER(1, mkdir("/", 0755), -1, EEXI= ST); break; - CASE_TEST(mmap_bad); EXPECT_PTRER(1, mmap(NULL, 0, PROT_READ, M= AP_PRIVATE, 0, 0), MAP_FAILED, EINVAL); break; - CASE_TEST(munmap_bad); EXPECT_SYSER(1, munmap(NULL, 0), -1, EINVA= L); break; - CASE_TEST(mmap_munmap_good); EXPECT_SYSZR(1, test_mmap_munmap()); break; - CASE_TEST(open_tty); EXPECT_SYSNE(1, tmp =3D open("/dev/null", = O_RDONLY), -1); if (tmp !=3D -1) close(tmp); break; - CASE_TEST(open_blah); EXPECT_SYSER(1, tmp =3D open("/proc/self/b= lah", O_RDONLY), -1, ENOENT); if (tmp !=3D -1) close(tmp); break; - CASE_TEST(openat_dir); EXPECT_SYSZR(1, test_openat()); break; - CASE_TEST(pipe); EXPECT_SYSZR(1, test_pipe()); break; - CASE_TEST(poll_null); EXPECT_SYSZR(1, poll(NULL, 0, 0)); break; - CASE_TEST(poll_stdout); EXPECT_SYSNE(1, ({ struct pollfd fds =3D {= 1, POLLOUT, 0}; poll(&fds, 1, 0); }), -1); break; - CASE_TEST(poll_fault); EXPECT_SYSER(1, poll(NULL, 1, 0), -1, EFAU= LT); break; - CASE_TEST(prctl); EXPECT_SYSER(1, prctl(PR_SET_NAME, (unsign= ed long)NULL, 0, 0, 0), -1, EFAULT); break; - CASE_TEST(read_badf); EXPECT_SYSER(1, read(-1, &tmp, 1), -1, EBA= DF); break; - CASE_TEST(rlimit); EXPECT_SYSZR(1, test_rlimit()); break; - CASE_TEST(rmdir_blah); EXPECT_SYSER(1, rmdir("/blah"), -1, ENOENT= ); break; - CASE_TEST(sched_yield); EXPECT_SYSZR(1, sched_yield()); break; - CASE_TEST(select_null); EXPECT_SYSZR(1, ({ struct timeval tv =3D {= 0 }; select(0, NULL, NULL, NULL, &tv); })); break; - CASE_TEST(select_stdout); EXPECT_SYSNE(1, ({ fd_set fds; FD_ZERO(&fd= s); FD_SET(1, &fds); select(2, NULL, &fds, NULL, NULL); }), -1); break; - CASE_TEST(select_fault); EXPECT_SYSER(1, select(1, (void *)1, NULL,= NULL, 0), -1, EFAULT); break; - CASE_TEST(stat_blah); EXPECT_SYSER(1, stat("/proc/self/blah", &s= tat_buf), -1, ENOENT); break; - CASE_TEST(stat_fault); EXPECT_SYSER(1, stat(NULL, &stat_buf), -1,= EFAULT); break; - CASE_TEST(stat_timestamps); EXPECT_SYSZR(1, test_stat_timestamps()); b= reak; - CASE_TEST(symlink_root); EXPECT_SYSER(1, symlink("/", "/"), -1, EEX= IST); break; - CASE_TEST(uname); EXPECT_SYSZR(proc, test_uname()); break; - CASE_TEST(uname_fault); EXPECT_SYSER(1, uname(NULL), -1, EFAULT); = break; - CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); = break; - CASE_TEST(unlink_blah); EXPECT_SYSER(1, unlink("/proc/self/blah"),= -1, ENOENT); break; - CASE_TEST(wait_child); EXPECT_SYSER(1, wait(&tmp), -1, ECHILD); b= reak; - CASE_TEST(waitpid_min); EXPECT_SYSER(1, waitpid(INT_MIN, &tmp, WNO= HANG), -1, ESRCH); break; - CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WN= OHANG), -1, ECHILD); break; - CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EB= ADF); break; - CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break; - CASE_TEST(syscall_noargs); EXPECT_SYSEQ(1, syscall(__NR_getpid), getp= id()); break; - CASE_TEST(syscall_args); EXPECT_SYSER(1, syscall(__NR_statx, 0, NUL= L, 0, 0, NULL), -1, EFAULT); break; - case __LINE__: - return ret; /* must be last */ - /* note: do not set any defaults so as to permit holes above */ - } - } - return ret; -} - -int run_stdlib(int min, int max) -{ - int test; - int ret =3D 0; - - for (test =3D min; test >=3D 0 && test <=3D max; test++) { - int llen =3D 0; /* line length */ - - /* For functions that take a long buffer, like strlcat() - * Add some more chars after the \0, to test functions that overwrite th= e buffer set - * the \0 at the exact right position. - */ - char buf[10] =3D "test123456"; - buf[4] =3D '\0'; - - - /* avoid leaving empty lines below, this will insert holes into - * test numbers. - */ - switch (test + __LINE__ + 1) { - CASE_TEST(getenv_TERM); EXPECT_STRNZ(1, getenv("TERM")); break; - CASE_TEST(getenv_blah); EXPECT_STRZR(1, getenv("blah")); break; - CASE_TEST(setcmp_blah_blah); EXPECT_EQ(1, strcmp("blah", "blah"), 0); = break; - CASE_TEST(setcmp_blah_blah2); EXPECT_NE(1, strcmp("blah", "blah2"), 0);= break; - CASE_TEST(setncmp_blah_blah); EXPECT_EQ(1, strncmp("blah", "blah", 10),= 0); break; - CASE_TEST(setncmp_blah_blah4); EXPECT_EQ(1, strncmp("blah", "blah4", 4),= 0); break; - CASE_TEST(setncmp_blah_blah5); EXPECT_NE(1, strncmp("blah", "blah5", 5),= 0); break; - CASE_TEST(setncmp_blah_blah6); EXPECT_NE(1, strncmp("blah", "blah6", 6),= 0); break; - CASE_TEST(strchr_foobar_o); EXPECT_STREQ(1, strchr("foobar", 'o'), "o= obar"); break; - CASE_TEST(strchr_foobar_z); EXPECT_STRZR(1, strchr("foobar", 'z')); b= reak; - CASE_TEST(strrchr_foobar_o); EXPECT_STREQ(1, strrchr("foobar", 'o'), "= obar"); break; - CASE_TEST(strrchr_foobar_z); EXPECT_STRZR(1, strrchr("foobar", 'z')); = break; - CASE_TEST(strlcat_0); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 0), buf, 3, "test"); break; - CASE_TEST(strlcat_1); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 1), buf, 4, "test"); break; - CASE_TEST(strlcat_5); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 5), buf, 7, "test"); break; - CASE_TEST(strlcat_6); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 6), buf, 7, "testb"); break; - CASE_TEST(strlcat_7); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 7), buf, 7, "testba"); break; - CASE_TEST(strlcat_8); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "= bar", 8), buf, 7, "testbar"); break; - CASE_TEST(strlcpy_0); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "= bar", 0), buf, 3, "test"); break; - CASE_TEST(strlcpy_1); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "= bar", 1), buf, 3, ""); break; - CASE_TEST(strlcpy_2); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "= bar", 2), buf, 3, "b"); break; - CASE_TEST(strlcpy_3); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "= bar", 3), buf, 3, "ba"); break; - CASE_TEST(strlcpy_4); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "= bar", 4), buf, 3, "bar"); break; - CASE_TEST(memcmp_20_20); EXPECT_EQ(1, memcmp("aaa\x20", "aaa\x20",= 4), 0); break; - CASE_TEST(memcmp_20_60); EXPECT_LT(1, memcmp("aaa\x20", "aaa\x60",= 4), 0); break; - CASE_TEST(memcmp_60_20); EXPECT_GT(1, memcmp("aaa\x60", "aaa\x20",= 4), 0); break; - CASE_TEST(memcmp_20_e0); EXPECT_LT(1, memcmp("aaa\x20", "aaa\xe0",= 4), 0); break; - CASE_TEST(memcmp_e0_20); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x20",= 4), 0); break; - CASE_TEST(memcmp_80_e0); EXPECT_LT(1, memcmp("aaa\x80", "aaa\xe0",= 4), 0); break; - CASE_TEST(memcmp_e0_80); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x80",= 4), 0); break; - CASE_TEST(limit_int8_max); EXPECT_EQ(1, INT8_MAX, (int8= _t) 0x7f); break; - CASE_TEST(limit_int8_min); EXPECT_EQ(1, INT8_MIN, (int8= _t) 0x80); break; - CASE_TEST(limit_uint8_max); EXPECT_EQ(1, UINT8_MAX, (uint= 8_t) 0xff); break; - CASE_TEST(limit_int16_max); EXPECT_EQ(1, INT16_MAX, (int1= 6_t) 0x7fff); break; - CASE_TEST(limit_int16_min); EXPECT_EQ(1, INT16_MIN, (int1= 6_t) 0x8000); break; - CASE_TEST(limit_uint16_max); EXPECT_EQ(1, UINT16_MAX, (uint= 16_t) 0xffff); break; - CASE_TEST(limit_int32_max); EXPECT_EQ(1, INT32_MAX, (int3= 2_t) 0x7fffffff); break; - CASE_TEST(limit_int32_min); EXPECT_EQ(1, INT32_MIN, (int3= 2_t) 0x80000000); break; - CASE_TEST(limit_uint32_max); EXPECT_EQ(1, UINT32_MAX, (uint= 32_t) 0xffffffff); break; - CASE_TEST(limit_int64_max); EXPECT_EQ(1, INT64_MAX, (int6= 4_t) 0x7fffffffffffffff); break; - CASE_TEST(limit_int64_min); EXPECT_EQ(1, INT64_MIN, (int6= 4_t) 0x8000000000000000); break; - CASE_TEST(limit_uint64_max); EXPECT_EQ(1, UINT64_MAX, (uint= 64_t) 0xffffffffffffffff); break; - CASE_TEST(limit_int_least8_max); EXPECT_EQ(1, INT_LEAST8_MAX, (int_= least8_t) 0x7f); break; - CASE_TEST(limit_int_least8_min); EXPECT_EQ(1, INT_LEAST8_MIN, (int_= least8_t) 0x80); break; - CASE_TEST(limit_uint_least8_max); EXPECT_EQ(1, UINT_LEAST8_MAX, (uint= _least8_t) 0xff); break; - CASE_TEST(limit_int_least16_max); EXPECT_EQ(1, INT_LEAST16_MAX, (int_= least16_t) 0x7fff); break; - CASE_TEST(limit_int_least16_min); EXPECT_EQ(1, INT_LEAST16_MIN, (int_= least16_t) 0x8000); break; - CASE_TEST(limit_uint_least16_max); EXPECT_EQ(1, UINT_LEAST16_MAX, (uint= _least16_t) 0xffff); break; - CASE_TEST(limit_int_least32_max); EXPECT_EQ(1, INT_LEAST32_MAX, (int_= least32_t) 0x7fffffff); break; - CASE_TEST(limit_int_least32_min); EXPECT_EQ(1, INT_LEAST32_MIN, (int_= least32_t) 0x80000000); break; - CASE_TEST(limit_uint_least32_max); EXPECT_EQ(1, UINT_LEAST32_MAX, (uint= _least32_t) 0xffffffffU); break; - CASE_TEST(limit_int_least64_min); EXPECT_EQ(1, INT_LEAST64_MIN, (int_= least64_t) 0x8000000000000000LL); break; - CASE_TEST(limit_int_least64_max); EXPECT_EQ(1, INT_LEAST64_MAX, (int_= least64_t) 0x7fffffffffffffffLL); break; - CASE_TEST(limit_uint_least64_max); EXPECT_EQ(1, UINT_LEAST64_MAX, (uint= _least64_t) 0xffffffffffffffffULL); break; - CASE_TEST(limit_int_fast8_max); EXPECT_EQ(1, INT_FAST8_MAX, (int_= fast8_t) 0x7f); break; - CASE_TEST(limit_int_fast8_min); EXPECT_EQ(1, INT_FAST8_MIN, (int_= fast8_t) 0x80); break; - CASE_TEST(limit_uint_fast8_max); EXPECT_EQ(1, UINT_FAST8_MAX, (uint= _fast8_t) 0xff); break; - CASE_TEST(limit_int_fast16_min); EXPECT_EQ(1, INT_FAST16_MIN, (int_= fast16_t) SINT_MIN_OF_TYPE(int_fast16_t)); break; - CASE_TEST(limit_int_fast16_max); EXPECT_EQ(1, INT_FAST16_MAX, (int_= fast16_t) SINT_MAX_OF_TYPE(int_fast16_t)); break; - CASE_TEST(limit_uint_fast16_max); EXPECT_EQ(1, UINT_FAST16_MAX, (uint= _fast16_t) UINTPTR_MAX); break; - CASE_TEST(limit_int_fast32_min); EXPECT_EQ(1, INT_FAST32_MIN, (int_= fast32_t) SINT_MIN_OF_TYPE(int_fast32_t)); break; - CASE_TEST(limit_int_fast32_max); EXPECT_EQ(1, INT_FAST32_MAX, (int_= fast32_t) SINT_MAX_OF_TYPE(int_fast32_t)); break; - CASE_TEST(limit_uint_fast32_max); EXPECT_EQ(1, UINT_FAST32_MAX, (uint= _fast32_t) UINTPTR_MAX); break; - CASE_TEST(limit_int_fast64_min); EXPECT_EQ(1, INT_FAST64_MIN, (int_= fast64_t) INT64_MIN); break; - CASE_TEST(limit_int_fast64_max); EXPECT_EQ(1, INT_FAST64_MAX, (int_= fast64_t) INT64_MAX); break; - CASE_TEST(limit_uint_fast64_max); EXPECT_EQ(1, UINT_FAST64_MAX, (uint= _fast64_t) UINT64_MAX); break; - CASE_TEST(sizeof_long_sane); EXPECT_EQ(1, sizeof(long) =3D=3D 8 |= | sizeof(long) =3D=3D 4, 1); break; - CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, sizeof(lon= g) =3D=3D 8 ? (intptr_t) 0x8000000000000000LL : (intptr_t) 0x80000000); = break; - CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, sizeof(lon= g) =3D=3D 8 ? (intptr_t) 0x7fffffffffffffffLL : (intptr_t) 0x7fffffff); = break; - CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, sizeof(lon= g) =3D=3D 8 ? (uintptr_t) 0xffffffffffffffffULL : (uintptr_t) 0xffffffffU);= break; - CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, sizeof(lon= g) =3D=3D 8 ? (ptrdiff_t) 0x8000000000000000LL : (ptrdiff_t) 0x80000000); = break; - CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, sizeof(lon= g) =3D=3D 8 ? (ptrdiff_t) 0x7fffffffffffffffLL : (ptrdiff_t) 0x7fffffff); = break; - CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, sizeof(lon= g) =3D=3D 8 ? (size_t) 0xffffffffffffffffULL : (size_t) 0xffffffffU);= break; - CASE_TEST(strtol_simple); EXPECT_STRTOX(1, strtol, "35", 10, 3= 5, -1, 0); break; - CASE_TEST(strtol_positive); EXPECT_STRTOX(1, strtol, "+35", 10, = 35, -1, 0); break; - CASE_TEST(strtol_negative); EXPECT_STRTOX(1, strtol, "-35", 10, = -35, -1, 0); break; - CASE_TEST(strtol_hex_auto); EXPECT_STRTOX(1, strtol, "0xFF", 0, = 255, -1, 0); break; - CASE_TEST(strtol_base36); EXPECT_STRTOX(1, strtol, "12yZ", 36,= 50507, -1, 0); break; - CASE_TEST(strtol_cutoff); EXPECT_STRTOX(1, strtol, "1234567890= ", 8, 342391, 7, 0); break; - CASE_TEST(strtol_octal_auto); EXPECT_STRTOX(1, strtol, "011", 0, 9= , -1, 0); break; - CASE_TEST(strtol_hex_00); EXPECT_STRTOX(1, strtol, "0x00", 16,= 0, -1, 0); break; - CASE_TEST(strtol_hex_FF); EXPECT_STRTOX(1, strtol, "FF", 16, 2= 55, -1, 0); break; - CASE_TEST(strtol_hex_ff); EXPECT_STRTOX(1, strtol, "ff", 16, 2= 55, -1, 0); break; - CASE_TEST(strtol_hex_prefix); EXPECT_STRTOX(1, strtol, "0xFF", 16,= 255, -1, 0); break; - CASE_TEST(strtol_trailer); EXPECT_STRTOX(1, strtol, "35foo", 10= , 35, 2, 0); break; - CASE_TEST(strtol_overflow); EXPECT_STRTOX(1, strtol, "0x80000000= 00000000", 16, LONG_MAX, -1, ERANGE); break; - CASE_TEST(strtol_underflow); EXPECT_STRTOX(1, strtol, "-0x8000000= 000000001", 16, LONG_MIN, -1, ERANGE); break; - CASE_TEST(strtoul_negative); EXPECT_STRTOX(1, strtoul, "-0x1", 16= , ULONG_MAX, 4, 0); break; - CASE_TEST(strtoul_overflow); EXPECT_STRTOX(1, strtoul, "0x1000000= 0000000000", 16, ULONG_MAX, -1, ERANGE); break; - CASE_TEST(strerror_success); EXPECT_STREQ(is_nolibc, strerror(0),= "errno=3D0"); break; - CASE_TEST(strerror_EINVAL); EXPECT_STREQ(is_nolibc, strerror(EIN= VAL), "errno=3D22"); break; - CASE_TEST(strerror_int_max); EXPECT_STREQ(is_nolibc, strerror(INT= _MAX), "errno=3D2147483647"); break; - CASE_TEST(strerror_int_min); EXPECT_STREQ(is_nolibc, strerror(INT= _MIN), "errno=3D-2147483648"); break; - CASE_TEST(tolower); EXPECT_EQ(1, tolower('A'), 'a'); bre= ak; - CASE_TEST(tolower_noop); EXPECT_EQ(1, tolower('a'), 'a'); bre= ak; - CASE_TEST(toupper); EXPECT_EQ(1, toupper('a'), 'A'); bre= ak; - CASE_TEST(toupper_noop); EXPECT_EQ(1, toupper('A'), 'A'); bre= ak; - - case __LINE__: - return ret; /* must be last */ - /* note: do not set any defaults so as to permit holes above */ - } - } - return ret; -} - -#define EXPECT_VFPRINTF(c, expected, fmt, ...) \ - ret +=3D expect_vfprintf(llen, c, expected, fmt, ##__VA_ARGS__) - -static int expect_vfprintf(int llen, int c, const char *expected, const ch= ar *fmt, ...) -{ - char buf[100]; - va_list args; - ssize_t w; - int ret; - - - va_start(args, fmt); - /* Only allow writing 21 bytes, to test truncation */ - w =3D vsnprintf(buf, 21, fmt, args); - va_end(args); - - if (w !=3D c) { - llen +=3D printf(" written(%d) !=3D %d", (int)w, c); - result(llen, FAIL); - return 1; - } - - llen +=3D printf(" \"%s\" =3D \"%s\"", expected, buf); - ret =3D strncmp(expected, buf, c); - - result(llen, ret ? FAIL : OK); - return ret; -} - -static int test_scanf(void) -{ - unsigned long long ull; - unsigned long ul; - unsigned int u; - long long ll; - long l; - void *p; - int i; - - /* return __LINE__ to point to the specific failure */ - - /* test EOF */ - if (sscanf("", "foo") !=3D EOF) - return __LINE__; - - /* test simple literal without placeholder */ - if (sscanf("foo", "foo") !=3D 0) - return __LINE__; - - /* test single placeholder */ - if (sscanf("123", "%d", &i) !=3D 1) - return __LINE__; - - if (i !=3D 123) - return __LINE__; - - /* test multiple place holders and separators */ - if (sscanf("a123b456c0x90", "a%db%uc%p", &i, &u, &p) !=3D 3) - return __LINE__; - - if (i !=3D 123) - return __LINE__; - - if (u !=3D 456) - return __LINE__; - - if (p !=3D (void *)0x90) - return __LINE__; - - /* test space handling */ - if (sscanf("a b1", "a b%d", &i) !=3D 1) - return __LINE__; - - if (i !=3D 1) - return __LINE__; - - /* test literal percent */ - if (sscanf("a%1", "a%%%d", &i) !=3D 1) - return __LINE__; - - if (i !=3D 1) - return __LINE__; - - /* test stdint.h types */ - if (sscanf("1|2|3|4|5|6", - "%d|%ld|%lld|%u|%lu|%llu", - &i, &l, &ll, &u, &ul, &ull) !=3D 6) - return __LINE__; - - if (i !=3D 1 || l !=3D 2 || ll !=3D 3 || - u !=3D 4 || ul !=3D 5 || ull !=3D 6) - return __LINE__; - - return 0; -} - -static int run_printf(int min, int max) -{ - int test; - int ret =3D 0; - - for (test =3D min; test >=3D 0 && test <=3D max; test++) { - int llen =3D 0; /* line length */ - - /* avoid leaving empty lines below, this will insert holes into - * test numbers. - */ - switch (test + __LINE__ + 1) { - CASE_TEST(empty); EXPECT_VFPRINTF(0, "", ""); break; - CASE_TEST(simple); EXPECT_VFPRINTF(3, "foo", "foo"); break; - CASE_TEST(string); EXPECT_VFPRINTF(3, "foo", "%s", "foo"); break; - CASE_TEST(number); EXPECT_VFPRINTF(4, "1234", "%d", 1234); break; - CASE_TEST(negnumber); EXPECT_VFPRINTF(5, "-1234", "%d", -1234); break; - CASE_TEST(unsigned); EXPECT_VFPRINTF(5, "12345", "%u", 12345); break; - CASE_TEST(char); EXPECT_VFPRINTF(1, "c", "%c", 'c'); break; - CASE_TEST(hex); EXPECT_VFPRINTF(1, "f", "%x", 0xf); break; - CASE_TEST(pointer); EXPECT_VFPRINTF(3, "0x1", "%p", (void *) 0x1); = break; - CASE_TEST(uintmax_t); EXPECT_VFPRINTF(20, "18446744073709551615", "%j= u", 0xffffffffffffffffULL); break; - CASE_TEST(intmax_t); EXPECT_VFPRINTF(20, "-9223372036854775807", "%j= d", 0x8000000000000001LL); break; - CASE_TEST(truncation); EXPECT_VFPRINTF(25, "01234567890123456789", "%s= ", "0123456789012345678901234"); break; - CASE_TEST(string_width); EXPECT_VFPRINTF(10, " 1", "%10s", "1");= break; - CASE_TEST(number_width); EXPECT_VFPRINTF(10, " 1", "%10d", 1); b= reak; - CASE_TEST(width_trunc); EXPECT_VFPRINTF(25, " ", "%2= 5d", 1); break; - CASE_TEST(scanf); EXPECT_ZR(1, test_scanf()); break; - case __LINE__: - return ret; /* must be last */ - /* note: do not set any defaults so as to permit holes above */ - } - } - return ret; -} - -static int smash_stack(void) -{ - char buf[100]; - volatile char *ptr =3D buf; - size_t i; - - for (i =3D 0; i < 200; i++) - ptr[i] =3D 'P'; - - return 1; -} - -static int run_protection(int min __attribute__((unused)), - int max __attribute__((unused))) -{ - pid_t pid; - int llen =3D 0, status; - struct rlimit rlimit =3D { 0, 0 }; - - llen +=3D printf("0 -fstackprotector "); - -#if !defined(_NOLIBC_STACKPROTECTOR) - llen +=3D printf("not supported"); - result(llen, SKIPPED); - return 0; -#endif - -#if defined(_NOLIBC_STACKPROTECTOR) - if (!__stack_chk_guard) { - llen +=3D printf("__stack_chk_guard not initialized"); - result(llen, FAIL); - return 1; - } -#endif - - pid =3D -1; - pid =3D fork(); - - switch (pid) { - case -1: - llen +=3D printf("fork()"); - result(llen, FAIL); - return 1; - - case 0: - close(STDOUT_FILENO); - close(STDERR_FILENO); - - prctl(PR_SET_DUMPABLE, 0, 0, 0, 0); - setrlimit(RLIMIT_CORE, &rlimit); - smash_stack(); - return 1; - - default: - pid =3D waitpid(pid, &status, 0); - - if (pid =3D=3D -1 || !WIFSIGNALED(status) || WTERMSIG(status) !=3D SIGAB= RT) { - llen +=3D printf("waitpid()"); - result(llen, FAIL); - return 1; - } - result(llen, OK); - return 0; - } -} - -/* prepare what needs to be prepared for pid 1 (stdio, /dev, /proc, etc) */ -int prepare(void) -{ - struct stat stat_buf; - - /* It's possible that /dev doesn't even exist or was not mounted, so - * we'll try to create it, mount it, or create minimal entries into it. - * We want at least /dev/null and /dev/console. - */ - if (stat("/dev/.", &stat_buf) =3D=3D 0 || mkdir("/dev", 0755) =3D=3D 0) { - if (stat("/dev/console", &stat_buf) !=3D 0 || - stat("/dev/null", &stat_buf) !=3D 0 || - stat("/dev/zero", &stat_buf) !=3D 0) { - /* try devtmpfs first, otherwise fall back to manual creation */ - if (mount("/dev", "/dev", "devtmpfs", 0, 0) !=3D 0) { - mknod("/dev/console", 0600 | S_IFCHR, makedev(5, 1)); - mknod("/dev/null", 0666 | S_IFCHR, makedev(1, 3)); - mknod("/dev/zero", 0666 | S_IFCHR, makedev(1, 5)); - } - } - } - - /* If no /dev/console was found before calling init, stdio is closed so - * we need to reopen it from /dev/console. If it failed above, it will - * still fail here and we cannot emit a message anyway. - */ - if (close(dup(1)) =3D=3D -1) { - int fd =3D open("/dev/console", O_RDWR); - - if (fd >=3D 0) { - if (fd !=3D 0) - dup2(fd, 0); - if (fd !=3D 1) - dup2(fd, 1); - if (fd !=3D 2) - dup2(fd, 2); - if (fd > 2) - close(fd); - puts("\nSuccessfully reopened /dev/console."); - } - } - - /* try to mount /proc if not mounted. Silently fail otherwise */ - if (stat("/proc/.", &stat_buf) =3D=3D 0 || mkdir("/proc", 0755) =3D=3D 0)= { - if (stat("/proc/self", &stat_buf) !=3D 0) { - /* If not mountable, remove /proc completely to avoid misuse */ - if (mount("none", "/proc", "proc", 0, 0) !=3D 0) - rmdir("/proc"); - } - } - - /* some tests rely on a writable /tmp */ - mkdir("/tmp", 0755); - - return 0; -} - -/* This is the definition of known test names, with their functions */ -static const struct test test_names[] =3D { - /* add new tests here */ - { .name =3D "startup", .func =3D run_startup }, - { .name =3D "syscall", .func =3D run_syscall }, - { .name =3D "stdlib", .func =3D run_stdlib }, - { .name =3D "printf", .func =3D run_printf }, - { .name =3D "protection", .func =3D run_protection }, - { 0 } -}; - -static int is_setting_valid(char *test) -{ - int idx, len, test_len, valid =3D 0; - char delimiter; - - if (!test) - return valid; - - test_len =3D strlen(test); - - for (idx =3D 0; test_names[idx].name; idx++) { - len =3D strlen(test_names[idx].name); - if (test_len < len) - continue; - - if (strncmp(test, test_names[idx].name, len) !=3D 0) - continue; - - delimiter =3D test[len]; - if (delimiter !=3D ':' && delimiter !=3D ',' && delimiter !=3D '\0') - continue; - - valid =3D 1; - break; - } - - return valid; -} - -int main(int argc, char **argv, char **envp) -{ - int min =3D 0; - int max =3D INT_MAX; - int ret =3D 0; - int err; - int idx; - char *test; - - argv0 =3D argv[0]; - test_argc =3D argc; - test_argv =3D argv; - test_envp =3D envp; - - /* when called as init, it's possible that no console was opened, for - * example if no /dev file system was provided. We'll check that fd#1 - * was opened, and if not we'll attempt to create and open /dev/console - * and /dev/null that we'll use for later tests. - */ - if (getpid() =3D=3D 1) - prepare(); - - /* the definition of a series of tests comes from either argv[1] or the - * "NOLIBC_TEST" environment variable. It's made of a comma-delimited - * series of test names and optional ranges: - * syscall:5-15[:.*],stdlib:8-10 - */ - test =3D argv[1]; - if (!is_setting_valid(test)) - test =3D getenv("NOLIBC_TEST"); - - if (is_setting_valid(test)) { - char *comma, *colon, *dash, *value; - - do { - comma =3D strchr(test, ','); - if (comma) - *(comma++) =3D '\0'; - - colon =3D strchr(test, ':'); - if (colon) - *(colon++) =3D '\0'; - - for (idx =3D 0; test_names[idx].name; idx++) { - if (strcmp(test, test_names[idx].name) =3D=3D 0) - break; - } - - if (test_names[idx].name) { - /* The test was named, it will be called at least - * once. We may have an optional range at - * here, which defaults to the full range. - */ - do { - min =3D 0; max =3D INT_MAX; - value =3D colon; - if (value && *value) { - colon =3D strchr(value, ':'); - if (colon) - *(colon++) =3D '\0'; - - dash =3D strchr(value, '-'); - if (dash) - *(dash++) =3D '\0'; - - /* support :val: :min-max: :min-: :-max: */ - if (*value) - min =3D atoi(value); - if (!dash) - max =3D min; - else if (*dash) - max =3D atoi(dash); - - value =3D colon; - } - - /* now's time to call the test */ - printf("Running test '%s'\n", test_names[idx].name); - err =3D test_names[idx].func(min, max); - ret +=3D err; - printf("Errors during this test: %d\n\n", err); - } while (colon && *colon); - } else - printf("Ignoring unknown test name '%s'\n", test); - - test =3D comma; - } while (test && *test); - } else { - /* no test mentioned, run everything */ - for (idx =3D 0; test_names[idx].name; idx++) { - printf("Running test '%s'\n", test_names[idx].name); - err =3D test_names[idx].func(min, max); - ret +=3D err; - printf("Errors during this test: %d\n\n", err); - } - } - - printf("Total number of errors: %d\n", ret); - - if (getpid() =3D=3D 1) { - /* we're running as init, there's no other process on the - * system, thus likely started from a VM for a quick check. - * Exiting will provoke a kernel panic that may be reported - * as an error by Qemu or the hypervisor, while stopping - * cleanly will often be reported as a success. This allows - * to use the output of this program for bisecting kernels. - */ - printf("Leaving init with final status: %d\n", !!ret); - if (ret =3D=3D 0) - reboot(RB_POWER_OFF); -#if defined(__x86_64__) - /* QEMU started with "-device isa-debug-exit -no-reboot" will - * exit with status code 2N+1 when N is written to 0x501. We - * hard-code the syscall here as it's arch-dependent. - */ - else if (syscall(__NR_ioperm, 0x501, 1, 1) =3D=3D 0) - __asm__ volatile ("outb %%al, %%dx" :: "d"(0x501), "a"(0)); - /* if it does nothing, fall back to the regular panic */ -#endif - } - - printf("Exiting with status %d\n", !!ret); - return !!ret; -} +#include "harness-selftest.c" diff --git a/tools/testing/selftests/nolibc/run-tests.sh b/tools/testing/se= lftests/nolibc/run-tests.sh index 0299a0912d4049dd12217f9835b81d231e1d2bfd..9344e3e8e10466dbb04a8002843= 9599bb0cb28a2 100755 --- a/tools/testing/selftests/nolibc/run-tests.sh +++ b/tools/testing/selftests/nolibc/run-tests.sh @@ -189,7 +189,7 @@ test_arch() { swallow_output "${MAKE[@]}" defconfig swallow_output "${MAKE[@]}" CFLAGS_EXTRA=3D"$CFLAGS_EXTRA" "$test_target"= V=3D1 cp run.out run.out."${arch}" - "${MAKE[@]}" report | grep passed + "${MAKE[@]}" report } =20 if [ "$perform_download" -ne 0 ]; then --=20 2.49.0