source:
doc/theses/andrew_beach_MMath/code/resume-other.cfa
@
1f771fc
Last change on this file since 1f771fc was f79ee0d, checked in by , 3 years ago | |
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File size: 1012 bytes |
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[ea593a3] | 1 | // Resume Across Other Handler |
[ee23a8d] | 2 | #include <clock.hfa> |
[ea593a3] | 3 | #include <exception.hfa> |
[ee23a8d] | 4 | #include <fstream.hfa> |
[f79ee0d] | 5 | #include <stdlib.hfa> // strto |
[ea593a3] | 6 | |
[f79ee0d] | 7 | exception empty_exception; |
8 | vtable(empty_exception) empty_vt; | |
9 | exception not_raised_exception; | |
[ea593a3] | 10 | |
[f79ee0d] | 11 | void nounwind_other(unsigned int frames) { |
[ea593a3] | 12 | if (frames) { |
13 | try { | |
[f79ee0d] | 14 | nounwind_other(frames - 1); |
[ea593a3] | 15 | } catchResume (not_raised_exception *) { |
[54651005] | 16 | asm volatile ("# fixup block (stack)"); |
[ea593a3] | 17 | } |
18 | } else { | |
19 | throwResume (empty_exception){&empty_vt}; | |
20 | } | |
21 | } | |
22 | ||
23 | int main(int argc, char * argv[]) { | |
24 | unsigned int times = 1; | |
25 | unsigned int total_frames = 1; | |
[ee23a8d] | 26 | if (1 < argc) { |
[f79ee0d] | 27 | times = strto(argv[1], 0p, 10); |
[ea593a3] | 28 | } |
[ee23a8d] | 29 | if (2 < argc) { |
[f79ee0d] | 30 | total_frames = strto(argv[2], 0p, 10); |
[ea593a3] | 31 | } |
32 | ||
[ee23a8d] | 33 | Time start_time = timeHiRes(); |
[ea593a3] | 34 | for (int count = 0 ; count < times ; ++count) { |
35 | try { | |
[f79ee0d] | 36 | nounwind_other(total_frames); |
[ea593a3] | 37 | } catchResume (empty_exception *) { |
[54651005] | 38 | asm volatile ("# fixup block (base)"); |
[ea593a3] | 39 | } |
40 | } | |
[ee23a8d] | 41 | Time end_time = timeHiRes(); |
[f79ee0d] | 42 | sout | "Run-Time (s): " | wd(0,1, (end_time - start_time)`ns / 1_000_000_000.); |
[ea593a3] | 43 | } |
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