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sketch out unwind cache

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This commit is contained in:
Ryan Fleury
2025-05-14 11:43:01 -07:00
parent a67f326f78
commit e60e0c8555
4 changed files with 118 additions and 96 deletions
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src/ctrl/ctrl_core.h
+46 -8
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@@ -593,6 +593,44 @@ struct CTRL_ThreadRegCache
CTRL_ThreadRegCacheStripe *stripes;
};
////////////////////////////////
//~ rjf: Thread Unwind Cache Types
typedef struct CTRL_ThreadUnwindCacheNode CTRL_ThreadUnwindCacheNode;
struct CTRL_ThreadUnwindCacheNode
{
CTRL_ThreadUnwindCacheNode *next;
CTRL_ThreadUnwindCacheNode *prev;
Arena *arena;
CTRL_Handle thread;
U64 reg_gen;
U64 mem_gen;
CTRL_Unwind unwind;
};
typedef struct CTRL_ThreadUnwindCacheSlot CTRL_ThreadUnwindCacheSlot;
struct CTRL_ThreadUnwindCacheSlot
{
CTRL_ThreadUnwindCacheNode *first;
CTRL_ThreadUnwindCacheNode *last;
};
typedef struct CTRL_ThreadUnwindCacheStripe CTRL_ThreadUnwindCacheStripe;
struct CTRL_ThreadUnwindCacheStripe
{
Arena *arena;
OS_Handle rw_mutex;
};
typedef struct CTRL_ThreadUnwindCache CTRL_ThreadUnwindCache;
struct CTRL_ThreadUnwindCache
{
U64 slots_count;
CTRL_ThreadUnwindCacheSlot *slots;
U64 stripes_count;
CTRL_ThreadUnwindCacheStripe *stripes;
};
////////////////////////////////
//~ rjf: Module Image Info Cache Types
@@ -686,6 +724,7 @@ struct CTRL_State
// rjf: caches
CTRL_ProcessMemoryCache process_memory_cache;
CTRL_ThreadRegCache thread_reg_cache;
CTRL_ThreadUnwindCache thread_unwind_cache;
CTRL_ModuleImageInfoCache module_image_info_cache;
// rjf: user -> ctrl msg ring buffer
@@ -885,10 +924,9 @@ internal U128 ctrl_stored_hash_from_process_vaddr_range(CTRL_Handle process, Rng
internal U128 ctrl_hash_store_key_from_process_vaddr_range(CTRL_Handle process, Rng1U64 range, B32 zero_terminated);
//- rjf: process memory cache reading helpers
internal CTRL_ProcessMemorySlice ctrl_query_cached_data_from_process_vaddr_range(Arena *arena, CTRL_Handle process, Rng1U64 range, U64 endt_us);
internal CTRL_ProcessMemorySlice ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(Arena *arena, CTRL_Handle process, U64 vaddr, U64 limit, U64 element_size, U64 endt_us);
internal B32 ctrl_read_cached_process_memory(CTRL_Handle process, Rng1U64 range, B32 *is_stale_out, void *out, U64 endt_us);
#define ctrl_read_cached_process_memory_struct(process, vaddr, is_stale_out, ptr, endt_us) ctrl_read_cached_process_memory((process), r1u64((vaddr), (vaddr)+(sizeof(*(ptr)))), (is_stale_out), (ptr), (endt_us))
internal CTRL_ProcessMemorySlice ctrl_process_memory_slice_from_vaddr_range(Arena *arena, CTRL_Handle process, Rng1U64 range, U64 endt_us);
internal B32 ctrl_process_memory_read(CTRL_Handle process, Rng1U64 range, B32 *is_stale_out, void *out, U64 endt_us);
#define ctrl_process_memory_read_struct(process, vaddr, is_stale_out, ptr, endt_us) ctrl_process_memory_read((process), r1u64((vaddr), (vaddr)+(sizeof(*(ptr)))), (is_stale_out), (ptr), (endt_us))
//- rjf: process memory writing
internal B32 ctrl_process_write(CTRL_Handle process, Rng1U64 range, void *src);
@@ -897,10 +935,10 @@ internal B32 ctrl_process_write(CTRL_Handle process, Rng1U64 range, void *src);
//~ rjf: Thread Register Functions
//- rjf: thread register cache reading
internal void *ctrl_query_cached_reg_block_from_thread(Arena *arena, CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_query_cached_tls_root_vaddr_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_query_cached_rip_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_query_cached_rsp_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
internal void *ctrl_reg_block_from_thread(Arena *arena, CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_tls_root_vaddr_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_rip_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
internal U64 ctrl_rsp_from_thread(CTRL_EntityStore *store, CTRL_Handle handle);
//- rjf: thread register writing
internal B32 ctrl_thread_write_reg_block(CTRL_Handle thread, void *block);