Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/stubGenerator_x86_64.cpp
src/cpu/x86/vm/stubGenerator_x86_64.cpp
- changeset 3606
- da4be62fb889
- parent 3568
- b522995d91f0
- child 3787
- 6759698e3140
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| 3605:c7987cbaf2ca | 3606:da4be62fb889 |
|---|---|
| 708 __ ret(0); | 708 __ ret(0); |
| 709 | 709 |
| 710 return start; | 710 return start; |
| 711 } | 711 } |
| 712 | 712 |
| 713 // Support for intptr_t get_previous_sp() | |
| 714 // | |
| 715 // This routine is used to find the previous stack pointer for the | |
| 716 // caller. | |
| 717 address generate_get_previous_sp() { | |
| 718 StubCodeMark mark(this, "StubRoutines", "get_previous_sp"); | |
| 719 address start = __ pc(); | |
| 720 | |
| 721 __ movptr(rax, rsp); | |
| 722 __ addptr(rax, 8); // return address is at the top of the stack. | |
| 723 __ ret(0); | |
| 724 | |
| 725 return start; | |
| 726 } | |
| 727 | |
| 713 //---------------------------------------------------------------------------------------------------- | 728 //---------------------------------------------------------------------------------------------------- |
| 714 // Support for void verify_mxcsr() | 729 // Support for void verify_mxcsr() |
| 715 // | 730 // |
| 716 // This routine is used with -Xcheck:jni to verify that native | 731 // This routine is used with -Xcheck:jni to verify that native |
| 717 // JNI code does not return to Java code without restoring the | 732 // JNI code does not return to Java code without restoring the |
| 3058 StubRoutines::_handler_for_unsafe_access_entry = | 3073 StubRoutines::_handler_for_unsafe_access_entry = |
| 3059 generate_handler_for_unsafe_access(); | 3074 generate_handler_for_unsafe_access(); |
| 3060 | 3075 |
| 3061 // platform dependent | 3076 // platform dependent |
| 3062 StubRoutines::x86::_get_previous_fp_entry = generate_get_previous_fp(); | 3077 StubRoutines::x86::_get_previous_fp_entry = generate_get_previous_fp(); |
| 3078 StubRoutines::x86::_get_previous_sp_entry = generate_get_previous_sp(); | |
| 3063 | 3079 |
| 3064 StubRoutines::x86::_verify_mxcsr_entry = generate_verify_mxcsr(); | 3080 StubRoutines::x86::_verify_mxcsr_entry = generate_verify_mxcsr(); |
| 3065 | 3081 |
| 3066 // Build this early so it's available for the interpreter. Stub | 3082 // Build this early so it's available for the interpreter. Stub |
| 3067 // expects the required and actual types as register arguments in | 3083 // expects the required and actual types as register arguments in |
