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sketch out asynchronous unwinding stuff

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This commit is contained in:
Ryan Fleury
2025-05-14 13:27:10 -07:00
parent e60e0c8555
commit f12b66c1ee
3 changed files with 112 additions and 28 deletions
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project.4coder
+2 -2
View File
@@ -55,8 +55,8 @@ commands =
// .f1 = { .win = "raddbg_stable --ipc kill_all && build no_meta tester", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
//- rjf: running target
.f3 = { .win = "pushd build && raddbg --user:dev.raddbg_user && popd", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
// .f3 = { .win = "raddbg_stable --ipc run", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
.f3 = { .win = "raddbg_stable --ipc run", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
// .f3 = { .win = "pushd build && raddbg --user:dev.raddbg_user && popd", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
// .f3 = { .win = "C:/devel/raddebugger/build/raddbg.exe --capture --user:C:/devel/raddebugger/build/local_dev.raddbg_user --project:C:/devel/raddebugger/build/local_dev.raddbg_project", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
// .f3 = { .win = "wsl_launch /mnt/c/devel/raddebugger/build/raddbg", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
src/ctrl/ctrl_core.c
+75 -8
View File
@@ -1432,14 +1432,14 @@ ctrl_init(void)
ctrl_state->thread_reg_cache.stripes[idx].arena = arena_alloc();
ctrl_state->thread_reg_cache.stripes[idx].rw_mutex = os_rw_mutex_alloc();
}
ctrl_state->thread_unwind_cache.slots_count = 1024;
ctrl_state->thread_unwind_cache.slots = push_array(arena, CTRL_ThreadUnwindCacheSlot, ctrl_state->thread_unwind_cache.slots_count);
ctrl_state->thread_unwind_cache.stripes_count = os_get_system_info()->logical_processor_count;
ctrl_state->thread_unwind_cache.stripes = push_array(arena, CTRL_ThreadUnwindCacheStripe, ctrl_state->thread_unwind_cache.stripes_count);
for(U64 idx = 0; idx < ctrl_state->thread_unwind_cache.stripes_count; idx += 1)
ctrl_state->unwind_cache.slots_count = 1024;
ctrl_state->unwind_cache.slots = push_array(arena, CTRL_UnwindCacheSlot, ctrl_state->unwind_cache.slots_count);
ctrl_state->unwind_cache.stripes_count = os_get_system_info()->logical_processor_count;
ctrl_state->unwind_cache.stripes = push_array(arena, CTRL_UnwindCacheStripe, ctrl_state->unwind_cache.stripes_count);
for(U64 idx = 0; idx < ctrl_state->unwind_cache.stripes_count; idx += 1)
{
ctrl_state->thread_unwind_cache.stripes[idx].arena = arena_alloc();
ctrl_state->thread_unwind_cache.stripes[idx].rw_mutex = os_rw_mutex_alloc();
ctrl_state->unwind_cache.stripes[idx].arena = arena_alloc();
ctrl_state->unwind_cache.stripes[idx].rw_mutex = os_rw_mutex_alloc();
}
ctrl_state->module_image_info_cache.slots_count = 1024;
ctrl_state->module_image_info_cache.slots = push_array(arena, CTRL_ModuleImageInfoCacheSlot, ctrl_state->module_image_info_cache.slots_count);
@@ -1484,6 +1484,10 @@ ctrl_init(void)
ctrl_state->u2ms_ring_base = push_array(arena, U8, ctrl_state->u2ms_ring_size);
ctrl_state->u2ms_ring_mutex = os_mutex_alloc();
ctrl_state->u2ms_ring_cv = os_condition_variable_alloc();
ctrl_state->u2uw_ring_size = KB(64);
ctrl_state->u2uw_ring_base = push_array(arena, U8, ctrl_state->u2uw_ring_size);
ctrl_state->u2uw_ring_mutex = os_mutex_alloc();
ctrl_state->u2uw_ring_cv = os_condition_variable_alloc();
ctrl_state->ctrl_thread_log = log_alloc();
ctrl_state->ctrl_thread = os_thread_launch(ctrl_thread__entry_point, 0, 0);
}
@@ -6334,7 +6338,7 @@ ctrl_thread__single_step(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
}
////////////////////////////////
//~ rjf: Memory-Stream-Thread-Only Functions
//~ rjf: Asynchronous Memory Streaming Functions
//- rjf: user -> memory stream communication
@@ -6545,5 +6549,68 @@ ASYNC_WORK_DEF(ctrl_mem_stream_work)
os_condition_variable_broadcast(process_stripe->cv);
ProfEnd();
ProfEnd();
return 0;
}
////////////////////////////////
//~ rjf: Asynchronous Unwinding Functions
//- rjf: user -> memory stream communication
internal B32
ctrl_u2uw_enqueue_req(CTRL_Handle thread, U64 endt_us)
{
B32 good = 0;
OS_MutexScope(ctrl_state->u2uw_ring_mutex) for(;;)
{
U64 unconsumed_size = ctrl_state->u2uw_ring_write_pos - ctrl_state->u2uw_ring_read_pos;
U64 available_size = ctrl_state->u2uw_ring_size - unconsumed_size;
if(available_size >= sizeof(thread))
{
good = 1;
ctrl_state->u2uw_ring_write_pos += ring_write_struct(ctrl_state->u2uw_ring_base, ctrl_state->u2uw_ring_size, ctrl_state->u2uw_ring_write_pos, &thread);
break;
}
if(os_now_microseconds() >= endt_us)
{
break;
}
os_condition_variable_wait(ctrl_state->u2uw_ring_cv, ctrl_state->u2uw_ring_mutex, endt_us);
}
if(good)
{
os_condition_variable_broadcast(ctrl_state->u2uw_ring_cv);
}
return good;
}
internal void
ctrl_u2uw_dequeue_req(CTRL_Handle *out_thread)
{
OS_MutexScope(ctrl_state->u2uw_ring_mutex) for(;;)
{
U64 unconsumed_size = ctrl_state->u2uw_ring_write_pos - ctrl_state->u2uw_ring_read_pos;
if(unconsumed_size >= sizeof(*out_thread))
{
ctrl_state->u2uw_ring_read_pos += ring_read_struct(ctrl_state->u2uw_ring_base, ctrl_state->u2uw_ring_size, ctrl_state->u2uw_ring_read_pos, out_thread);
break;
}
os_condition_variable_wait(ctrl_state->u2uw_ring_cv, ctrl_state->u2uw_ring_mutex, max_U64);
}
os_condition_variable_broadcast(ctrl_state->u2uw_ring_cv);
}
//- rjf: entry point
ASYNC_WORK_DEF(ctrl_unwind_work)
{
CTRL_UnwindCache *cache = &ctrl_state->unwind_cache;
//- rjf: get next request
CTRL_Handle thread_handle = {0};
ctrl_u2uw_dequeue_req(&thread_handle);
return 0;
}
src/ctrl/ctrl_core.h
+35 -18
View File
@@ -594,13 +594,13 @@ struct CTRL_ThreadRegCache
};
////////////////////////////////
//~ rjf: Thread Unwind Cache Types
//~ rjf: Unwind Cache Types
typedef struct CTRL_ThreadUnwindCacheNode CTRL_ThreadUnwindCacheNode;
struct CTRL_ThreadUnwindCacheNode
typedef struct CTRL_UnwindCacheNode CTRL_UnwindCacheNode;
struct CTRL_UnwindCacheNode
{
CTRL_ThreadUnwindCacheNode *next;
CTRL_ThreadUnwindCacheNode *prev;
CTRL_UnwindCacheNode *next;
CTRL_UnwindCacheNode *prev;
Arena *arena;
CTRL_Handle thread;
U64 reg_gen;
@@ -608,27 +608,27 @@ struct CTRL_ThreadUnwindCacheNode
CTRL_Unwind unwind;
};
typedef struct CTRL_ThreadUnwindCacheSlot CTRL_ThreadUnwindCacheSlot;
struct CTRL_ThreadUnwindCacheSlot
typedef struct CTRL_UnwindCacheSlot CTRL_UnwindCacheSlot;
struct CTRL_UnwindCacheSlot
{
CTRL_ThreadUnwindCacheNode *first;
CTRL_ThreadUnwindCacheNode *last;
CTRL_UnwindCacheNode *first;
CTRL_UnwindCacheNode *last;
};
typedef struct CTRL_ThreadUnwindCacheStripe CTRL_ThreadUnwindCacheStripe;
struct CTRL_ThreadUnwindCacheStripe
typedef struct CTRL_UnwindCacheStripe CTRL_UnwindCacheStripe;
struct CTRL_UnwindCacheStripe
{
Arena *arena;
OS_Handle rw_mutex;
};
typedef struct CTRL_ThreadUnwindCache CTRL_ThreadUnwindCache;
struct CTRL_ThreadUnwindCache
typedef struct CTRL_UnwindCache CTRL_UnwindCache;
struct CTRL_UnwindCache
{
U64 slots_count;
CTRL_ThreadUnwindCacheSlot *slots;
CTRL_UnwindCacheSlot *slots;
U64 stripes_count;
CTRL_ThreadUnwindCacheStripe *stripes;
CTRL_UnwindCacheStripe *stripes;
};
////////////////////////////////
@@ -724,7 +724,7 @@ struct CTRL_State
// rjf: caches
CTRL_ProcessMemoryCache process_memory_cache;
CTRL_ThreadRegCache thread_reg_cache;
CTRL_ThreadUnwindCache thread_unwind_cache;
CTRL_UnwindCache unwind_cache;
CTRL_ModuleImageInfoCache module_image_info_cache;
// rjf: user -> ctrl msg ring buffer
@@ -768,6 +768,14 @@ struct CTRL_State
U64 u2ms_ring_read_pos;
OS_Handle u2ms_ring_mutex;
OS_Handle u2ms_ring_cv;
// rjf: user -> unwind ring buffer
U64 u2uw_ring_size;
U8 *u2uw_ring_base;
U64 u2uw_ring_write_pos;
U64 u2uw_ring_read_pos;
OS_Handle u2uw_ring_mutex;
OS_Handle u2uw_ring_cv;
};
////////////////////////////////
@@ -1039,7 +1047,7 @@ internal void ctrl_thread__run(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg);
internal void ctrl_thread__single_step(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg);
////////////////////////////////
//~ rjf: Memory-Stream Thread Functions
//~ rjf: Asynchronous Memory Streaming Functions
//- rjf: user -> memory stream communication
internal B32 ctrl_u2ms_enqueue_req(CTRL_Handle process, Rng1U64 vaddr_range, B32 zero_terminated, U64 endt_us);
@@ -1047,6 +1055,15 @@ internal void ctrl_u2ms_dequeue_req(CTRL_Handle *out_process, Rng1U64 *out_vaddr
//- rjf: entry point
ASYNC_WORK_DEF(ctrl_mem_stream_work);
internal void ctrl_mem_stream_thread__entry_point(void *p);
////////////////////////////////
//~ rjf: Asynchronous Unwinding Functions
//- rjf: user -> memory stream communication
internal B32 ctrl_u2uw_enqueue_req(CTRL_Handle thread, U64 endt_us);
internal void ctrl_u2uw_dequeue_req(CTRL_Handle *out_thread);
//- rjf: entry point
ASYNC_WORK_DEF(ctrl_unwind_work);
#endif // CTRL_CORE_H