Mercurial > hg > graal-jvmci-8
comparison src/os/windows/vm/os_windows.cpp @ 5903:da4be62fb889
7147740: add assertions to check stack alignment on VM entry from generated code (x64)
Summary: check stack alignment on VM entry on x64.
Reviewed-by: kvn, never
| author | roland |
|---|---|
| date | Mon, 27 Feb 2012 09:17:44 +0100 |
| parents | 379b22e03c32 |
| children | ec15e8f6e4f1 |
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| 5902:c7987cbaf2ca | 5903:da4be62fb889 |
|---|---|
| 320 } | 320 } |
| 321 | 321 |
| 322 // Invoked from the BREAKPOINT Macro | 322 // Invoked from the BREAKPOINT Macro |
| 323 extern "C" void breakpoint() { | 323 extern "C" void breakpoint() { |
| 324 os::breakpoint(); | 324 os::breakpoint(); |
| 325 } | |
| 326 | |
| 327 // Returns an estimate of the current stack pointer. Result must be guaranteed | |
| 328 // to point into the calling threads stack, and be no lower than the current | |
| 329 // stack pointer. | |
| 330 | |
| 331 address os::current_stack_pointer() { | |
| 332 int dummy; | |
| 333 address sp = (address)&dummy; | |
| 334 return sp; | |
| 335 } | 325 } |
| 336 | 326 |
| 337 // os::current_stack_base() | 327 // os::current_stack_base() |
| 338 // | 328 // |
| 339 // Returns the base of the stack, which is the stack's | 329 // Returns the base of the stack, which is the stack's |