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From: Adhemerval Zanella <azanella@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/azanella/clang] i386: Disable some tests on clang
X-Act-Checkin: glibc
X-Git-Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
X-Git-Refname: refs/heads/azanella/clang
X-Git-Oldrev: 93f896f657530df360d3b943f1bdfde7cd6fe3a3
X-Git-Newrev: 2919b8e2f476855f4fe6a23f0339f130a6001f88
Message-Id: <20240129180404.E982A3858407@sourceware.org>
Date: Mon, 29 Jan 2024 18:04:04 +0000 (GMT)
List-Id: <glibc-cvs.sourceware.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2919b8e2f476855f4fe6a23f0339f130a6001f88
commit 2919b8e2f476855f4fe6a23f0339f130a6001f88
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Jul 28 09:34:03 2023 -0300
i386: Disable some tests on clang
clang generated R_I386_PC32 instead of R_386_PLT32 for static
ifoo calls, which triggers an ld issues where it can not link
non-PIC and PIC objects. This seems to be a clang bug.
Diff:
---
elf/ifuncmain9.c | 5 +++++
sysdeps/x86/tst-ifunc-isa-1.c | 5 +++++
sysdeps/x86/tst-ifunc-isa-2.c | 4 ++++
3 files changed, 14 insertions(+)
diff --git a/elf/ifuncmain9.c b/elf/ifuncmain9.c
index a13020dc6d..ed9c5a5d86 100644
--- a/elf/ifuncmain9.c
+++ b/elf/ifuncmain9.c
@@ -23,6 +23,7 @@
# include <stdbool.h>
# include <stdio.h>
# include <libc-diag.h>
+# include <support/test-driver.h>
/* Do not use the test framework, so that the process setup is not
disturbed. */
@@ -57,6 +58,9 @@ DIAG_POP_NEEDS_COMMENT_CLANG;
int
main (void)
{
+#if defined __clang__ && defined __i386__
+ return EXIT_UNSUPPORTED;
+#else
bool errors = false;
if (implementation_called != 0)
@@ -93,4 +97,5 @@ main (void)
}
return errors;
+#endif
}
diff --git a/sysdeps/x86/tst-ifunc-isa-1.c b/sysdeps/x86/tst-ifunc-isa-1.c
index 44726576f1..276efc0572 100644
--- a/sysdeps/x86/tst-ifunc-isa-1.c
+++ b/sysdeps/x86/tst-ifunc-isa-1.c
@@ -17,14 +17,19 @@
<https://www.gnu.org/licenses/>. */
#include <stdlib.h>
+#include <support/test-driver.h>
#include "tst-ifunc-isa.h"
static int
do_test (void)
{
+#if defined __clang__ && defined __i386__
+ return EXIT_UNSUPPORTED;
+#else
enum isa value = foo ();
enum isa expected = get_isa ();
return value == expected ? EXIT_SUCCESS : EXIT_FAILURE;
+#endif
}
#include <support/test-driver.c>
diff --git a/sysdeps/x86/tst-ifunc-isa-2.c b/sysdeps/x86/tst-ifunc-isa-2.c
index 156c649807..130169b614 100644
--- a/sysdeps/x86/tst-ifunc-isa-2.c
+++ b/sysdeps/x86/tst-ifunc-isa-2.c
@@ -23,12 +23,16 @@
static int
do_test (void)
{
+#if defined __clang__ && defined __i386__
+ return EXIT_UNSUPPORTED;
+#else
/* CPU must support SSE2. */
if (!__builtin_cpu_supports ("sse2"))
return EXIT_UNSUPPORTED;
enum isa value = foo ();
/* All ISAs, but SSE2, are disabled by tunables. */
return value == sse2 ? EXIT_SUCCESS : EXIT_FAILURE;
+#endif
}
#include <support/test-driver.c>