Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp
src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp
- changeset 3606
- da4be62fb889
- parent 2708
- 1d1603768966
- child 4136
- bf2edd3c9b0f
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| 3605:c7987cbaf2ca | 3606:da4be62fb889 |
|---|---|
| 249 | 249 |
| 250 frame os::get_sender_for_C_frame(frame* fr) { | 250 frame os::get_sender_for_C_frame(frame* fr) { |
| 251 return frame(fr->sender_sp(), frame::unpatchable, fr->sender_pc()); | 251 return frame(fr->sender_sp(), frame::unpatchable, fr->sender_pc()); |
| 252 } | 252 } |
| 253 | 253 |
| 254 // Returns an estimate of the current stack pointer. Result must be guaranteed to | |
| 255 // point into the calling threads stack, and be no lower than the current stack | |
| 256 // pointer. | |
| 257 address os::current_stack_pointer() { | |
| 258 volatile int dummy; | |
| 259 address sp = (address)&dummy + 8; // %%%% need to confirm if this is right | |
| 260 return sp; | |
| 261 } | |
| 262 | |
| 254 frame os::current_frame() { | 263 frame os::current_frame() { |
| 255 intptr_t* sp = StubRoutines::Sparc::flush_callers_register_windows_func()(); | 264 intptr_t* sp = StubRoutines::Sparc::flush_callers_register_windows_func()(); |
| 256 frame myframe(sp, frame::unpatchable, | 265 frame myframe(sp, frame::unpatchable, |
| 257 CAST_FROM_FN_PTR(address, os::current_frame)); | 266 CAST_FROM_FN_PTR(address, os::current_frame)); |
| 258 if (os::is_first_C_frame(&myframe)) { | 267 if (os::is_first_C_frame(&myframe)) { |
| 813 // For compiler1 the architecture is v8 and frps isn't present in v8 | 822 // For compiler1 the architecture is v8 and frps isn't present in v8 |
| 814 extern "C" void _mark_fpu_nosave() { | 823 extern "C" void _mark_fpu_nosave() { |
| 815 __asm__ __volatile__ ("wr %%g0, 0, %%fprs \n\t" : : :); | 824 __asm__ __volatile__ ("wr %%g0, 0, %%fprs \n\t" : : :); |
| 816 } | 825 } |
| 817 #endif //defined(__sparc) && defined(COMPILER2) | 826 #endif //defined(__sparc) && defined(COMPILER2) |
| 827 | |
| 828 #ifndef PRODUCT | |
| 829 void os::verify_stack_alignment() { | |
| 830 } | |
| 831 #endif |
