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8205199: more Linux clang compile failures

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Co-authored-by: Thomas Stuefe <thomas.stuefe@gmail.com>
Reviewed-by: dholmes, kbarrett, stuefe
This commit is contained in:
Arthur Eubanks 2018-06-22 17:49:21 -07:00 committed by Martin Buchholz
parent 161dc40015
commit 6e0bd36f42
2 changed files with 8 additions and 12 deletions
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8
src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
View File

@ -96,11 +96,11 @@
address os::current_stack_pointer() {
#ifdef SPARC_WORKS
register void *esp;
__asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp));
__asm__("mov %%" SPELL_REG_SP ", %0":"=r"(esp));
return (address) ((char*)esp + sizeof(long)*2);
#elif defined(__clang__)
intptr_t* esp;
__asm__ __volatile__ ("mov %%"SPELL_REG_SP", %0":"=r"(esp):);
__asm__ __volatile__ ("mov %%" SPELL_REG_SP ", %0":"=r"(esp):);
return (address) esp;
#else
register void *esp __asm__ (SPELL_REG_SP);
@ -234,10 +234,10 @@ frame os::get_sender_for_C_frame(frame* fr) {
intptr_t* _get_previous_fp() {
#ifdef SPARC_WORKS
register intptr_t **ebp;
__asm__("mov %%"SPELL_REG_FP", %0":"=r"(ebp));
__asm__("mov %%" SPELL_REG_FP ", %0":"=r"(ebp));
#elif defined(__clang__)
intptr_t **ebp;
__asm__ __volatile__ ("mov %%"SPELL_REG_FP", %0":"=r"(ebp):);
__asm__ __volatile__ ("mov %%" SPELL_REG_FP ", %0":"=r"(ebp):);
#else
register intptr_t **ebp __asm__ (SPELL_REG_FP);
#endif

12
src/hotspot/share/utilities/debug.cpp
View File

@ -714,16 +714,13 @@ void initialize_assert_poison() {
}
}
static bool store_context(const void* context) {
if (memcpy(&g_stored_assertion_context, context, sizeof(ucontext_t)) == false) {
return false;
}
static void store_context(const void* context) {
memcpy(&g_stored_assertion_context, context, sizeof(ucontext_t));
#if defined(__linux) && defined(PPC64)
// on Linux ppc64, ucontext_t contains pointers into itself which have to be patched up
// after copying the context (see comment in sys/ucontext.h):
*((void**) &g_stored_assertion_context.uc_mcontext.regs) = &(g_stored_assertion_context.uc_mcontext.gp_regs);
#endif
return true;
}
bool handle_assert_poison_fault(const void* ucVoid, const void* faulting_address) {
@ -734,9 +731,8 @@ bool handle_assert_poison_fault(const void* ucVoid, const void* faulting_address
if (ucVoid) {
const intx my_tid = os::current_thread_id();
if (Atomic::cmpxchg(my_tid, &g_asserting_thread, (intx)0) == 0) {
if (store_context(ucVoid)) {
g_assertion_context = &g_stored_assertion_context;
}
store_context(ucVoid);
g_assertion_context = &g_stored_assertion_context;
}
}
return true;