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comparison src/os_cpu/linux_x86/vm/os_linux_x86.cpp @ 10408:836a62f43af9

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Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author Doug Simon <doug.simon@oracle.com>
date Wed, 19 Jun 2013 10:45:56 +0200
parents b9a918201d47 2cb5d5f6d5e5
children 6b0fd0964b87
comparison
equal deleted inserted replaced
10086:e0fb8a213650 10408:836a62f43af9
91 address os::current_stack_pointer() { 91 address os::current_stack_pointer() {
92 #ifdef SPARC_WORKS 92 #ifdef SPARC_WORKS
93 register void *esp; 93 register void *esp;
94 __asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp)); 94 __asm__("mov %%"SPELL_REG_SP", %0":"=r"(esp));
95 return (address) ((char*)esp + sizeof(long)*2); 95 return (address) ((char*)esp + sizeof(long)*2);
96 #elif defined(__clang__)
97 intptr_t* esp;
98 __asm__ __volatile__ ("mov %%"SPELL_REG_SP", %0":"=r"(esp):);
99 return (address) esp;
96 #else 100 #else
97 register void *esp __asm__ (SPELL_REG_SP); 101 register void *esp __asm__ (SPELL_REG_SP);
98 return (address) esp; 102 return (address) esp;
99 #endif 103 #endif
100 } 104 }
173 177
174 intptr_t* _get_previous_fp() { 178 intptr_t* _get_previous_fp() {
175 #ifdef SPARC_WORKS 179 #ifdef SPARC_WORKS
176 register intptr_t **ebp; 180 register intptr_t **ebp;
177 __asm__("mov %%"SPELL_REG_FP", %0":"=r"(ebp)); 181 __asm__("mov %%"SPELL_REG_FP", %0":"=r"(ebp));
182 #elif defined(__clang__)
183 intptr_t **ebp;
184 __asm__ __volatile__ ("mov %%"SPELL_REG_FP", %0":"=r"(ebp):);
178 #else 185 #else
179 register intptr_t **ebp __asm__ (SPELL_REG_FP); 186 register intptr_t **ebp __asm__ (SPELL_REG_FP);
180 #endif 187 #endif
181 return (intptr_t*) *ebp; // we want what it points to. 188 return (intptr_t*) *ebp; // we want what it points to.
182 } 189 }
708 int rslt = pthread_getattr_np(pthread_self(), &attr); 715 int rslt = pthread_getattr_np(pthread_self(), &attr);
709 716
710 // JVM needs to know exact stack location, abort if it fails 717 // JVM needs to know exact stack location, abort if it fails
711 if (rslt != 0) { 718 if (rslt != 0) {
712 if (rslt == ENOMEM) { 719 if (rslt == ENOMEM) {
713 vm_exit_out_of_memory(0, "pthread_getattr_np"); 720 vm_exit_out_of_memory(0, OOM_MMAP_ERROR, "pthread_getattr_np");
714 } else { 721 } else {
715 fatal(err_msg("pthread_getattr_np failed with errno = %d", rslt)); 722 fatal(err_msg("pthread_getattr_np failed with errno = %d", rslt));
716 } 723 }
717 } 724 }
718 725