54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
#include "master.hpp"
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namespace factor {
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void safepoint_state::enqueue_fep(factor_vm* parent) volatile {
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if (parent->fep_p)
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fatal_error("Low-level debugger interrupted", 0);
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atomic::store(&fep_p, true);
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parent->code->set_safepoint_guard(true);
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}
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void safepoint_state::enqueue_samples(factor_vm* parent,
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cell samples,
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cell pc,
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bool foreign_thread_p) volatile {
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if (!atomic::load(&parent->sampling_profiler_p))
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return;
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atomic::fetch_add(&sample_counts.sample_count, samples);
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if (foreign_thread_p)
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atomic::fetch_add(&sample_counts.foreign_thread_sample_count, samples);
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else {
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if (atomic::load(&parent->current_gc_p))
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atomic::fetch_add(&sample_counts.gc_sample_count, samples);
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if (atomic::load(&parent->current_jit_count) > 0)
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atomic::fetch_add(&sample_counts.jit_sample_count, samples);
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if (!parent->code->seg->in_segment_p(pc))
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atomic::fetch_add(&sample_counts.foreign_sample_count, samples);
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}
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parent->code->set_safepoint_guard(true);
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}
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void safepoint_state::handle_safepoint(factor_vm* parent, cell pc) volatile {
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parent->code->set_safepoint_guard(false);
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parent->faulting_p = false;
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if (atomic::load(&fep_p)) {
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if (atomic::load(&parent->sampling_profiler_p))
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parent->end_sampling_profiler();
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std::cout << "Interrupted\n";
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parent->factorbug();
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atomic::store(&fep_p, false);
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} else if (atomic::load(&parent->sampling_profiler_p)) {
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FACTOR_ASSERT(parent->code->seg->in_segment_p(pc));
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code_block* block = parent->code->code_block_for_address(pc);
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bool prolog_p = block->entry_point() == pc;
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parent->record_sample(prolog_p);
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}
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}
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}
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