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8341722: Fix some warnings as errors when building on Linux with toolchain clang

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Reviewed-by: cjplummer, lucy
This commit is contained in:
Matthias Baesken 2024-10-10 07:21:05 +00:00
parent 36fca5d19d
commit e7c5bf45f7
5 changed files with 4 additions and 11 deletions
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2
make/modules/jdk.hotspot.agent/Lib.gmk
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@ -59,9 +59,7 @@ $(eval $(call SetupJdkLibrary, BUILD_LIBSAPROC, \
OPTIMIZATION := HIGH, \
EXTRA_HEADER_DIRS := java.base:libjvm, \
DISABLED_WARNINGS_gcc := sign-compare, \
DISABLED_WARNINGS_gcc_LinuxDebuggerLocal.cpp := unused-variable, \
DISABLED_WARNINGS_gcc_ps_core.c := pointer-arith, \
DISABLED_WARNINGS_gcc_symtab.c := unused-but-set-variable, \
DISABLED_WARNINGS_clang := sign-compare, \
DISABLED_WARNINGS_clang_libproc_impl.c := format-nonliteral, \
DISABLED_WARNINGS_clang_MacosxDebuggerLocal.m := unused-variable, \

1
src/jdk.hotspot.agent/linux/native/libsaproc/LinuxDebuggerLocal.cpp
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@ -420,7 +420,6 @@ JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLo
jboolean isCopy;
jlongArray array;
jlong *regs;
int i;
struct ps_prochandle* ph = get_proc_handle(env, this_obj);
if (get_lwp_regs(ph, lwp_id, &gregs) != true) {

4
src/jdk.hotspot.agent/linux/native/libsaproc/symtab.c
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@ -356,7 +356,6 @@ static struct symtab* build_symtab_internal(int fd, const char *filename, bool t
if (shdr->sh_type == sym_section) {
ELF_SYM *syms;
int rslt;
size_t size, n, j, htab_sz;
// FIXME: there could be multiple data buffers associated with the
@ -390,7 +389,8 @@ static struct symtab* build_symtab_internal(int fd, const char *filename, bool t
goto bad;
}
rslt = hcreate_r(htab_sz, symtab->hash_table);
// int rslt =
hcreate_r(htab_sz, symtab->hash_table);
// guarantee(rslt, "unexpected failure: hcreate_r");
// shdr->sh_link points to the section that contains the actual strings

4
src/jdk.jpackage/share/native/common/Log.cpp
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@ -40,10 +40,6 @@ namespace {
// variables are initialized if any. This will result in AV. To avoid such
// use cases keep logging module free from static variables that require
// initialization with functions called by CRT.
//
// by default log everything
const Logger::LogLevel defaultLogLevel = Logger::LOG_TRACE;
char defaultLogAppenderMemory[sizeof(StreamLogAppender)] = {};

4
test/hotspot/gtest/runtime/test_os_linux.cpp
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@ -360,10 +360,10 @@ TEST_VM(os_linux, pretouch_thp_and_use_concurrent) {
EXPECT_TRUE(os::commit_memory(heap, size, false));
{
auto pretouch = [heap, size](Thread*, int) {
auto pretouch = [heap](Thread*, int) {
os::pretouch_memory(heap, heap + size, os::vm_page_size());
};
auto useMemory = [heap, size](Thread*, int) {
auto useMemory = [heap](Thread*, int) {
int* iptr = reinterpret_cast<int*>(heap);
for (int i = 0; i < 1000; i++) *iptr++ = i;
};