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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] malloc: Disable malloc builtins on tests Date: Thu, 9 Jun 2022 21:24:51 +0000 (GMT) [thread overview] Message-ID: <20220609212451.14A6A385E03D@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e09b33e16baf3f68ec6982334061b32509c1700 commit 7e09b33e16baf3f68ec6982334061b32509c1700 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Wed Mar 30 15:42:18 2022 -0300 malloc: Disable malloc builtins on tests To avoid compiler optimize away memory allocation calls, which might interfere when both valid and invalid calls checks. Diff: --- malloc/Makefile | 11 +++++++++++ malloc/tst-malloc.c | 1 + malloc/tst-memalign.c | 3 +-- 3 files changed, 13 insertions(+), 2 deletions(-) diff --git a/malloc/Makefile b/malloc/Makefile index 4e32de2a0b..250717d255 100644 --- a/malloc/Makefile +++ b/malloc/Makefile @@ -367,3 +367,14 @@ tst-mallocstate-malloc-check-ENV = LD_PRELOAD=$(objpfx)libc_malloc_debug.so # libc_malloc_debug.so. $(objpfx)tst-mallocstate: $(objpfx)libc_malloc_debug.so $(objpfx)tst-mallocstate-malloc-check: $(objpfx)libc_malloc_debug.so + +CFLAGS-tst-memalign.c += -fno-builtin +CFLAGS-tst-malloc.c += -fno-builtin +CFLAGS-tst-malloc-backtrace.c += -fno-builtin +CFLAGS-tst-malloc-check.c += -fno-builtin +CFLAGS-tst-malloc-too-large.c += -fno-builtin +CFLAGS-tst-realloc.c += -fno-builtin +CFLAGS-tst-valloc.c += -fno-builtin +CFLAGS-tst-compathooks-off.c += -fno-builtin +CFLAGS-tst-compathooks-on.c += -fno-builtin +CFLAGS-tst-mallinfo2.c += -fno-builtin diff --git a/malloc/tst-malloc.c b/malloc/tst-malloc.c index 62e3b9b95c..e3855035e7 100644 --- a/malloc/tst-malloc.c +++ b/malloc/tst-malloc.c @@ -46,6 +46,7 @@ do_test (void) p = malloc (-1); DIAG_POP_NEEDS_COMMENT; save = errno; + asm volatile("" ::: "memory"); if (p != NULL) merror ("malloc (-1) succeeded."); diff --git a/malloc/tst-memalign.c b/malloc/tst-memalign.c index b5933f4741..5da00954e2 100644 --- a/malloc/tst-memalign.c +++ b/malloc/tst-memalign.c @@ -124,5 +124,4 @@ do_test (void) return errors != 0; } -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" +#include <support/test-driver.c>
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