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extend ctrl process memory cache with waiting mechanism; employ to wait for changes to propagate through process memory cache, when forcibly mutating debuggee process memory

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This commit is contained in:
Ryan Fleury
2024-02-05 10:04:00 -08:00
parent f2c74cbcb2
commit 2359c82fba
6 changed files with 123 additions and 42 deletions
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src/ctrl/ctrl_core.h
+4 -2
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@@ -317,6 +317,7 @@ struct CTRL_ProcessMemoryRangeHashNode
CTRL_ProcessMemoryRangeHashNode *next;
Rng1U64 vaddr_range;
B32 zero_terminated;
Rng1U64 vaddr_range_clamped;
U128 hash;
U64 memgen_idx;
B32 is_taken;
@@ -352,6 +353,7 @@ typedef struct CTRL_ProcessMemoryCacheStripe CTRL_ProcessMemoryCacheStripe;
struct CTRL_ProcessMemoryCacheStripe
{
OS_Handle rw_mutex;
OS_Handle cv;
};
typedef struct CTRL_ProcessMemoryCache CTRL_ProcessMemoryCache;
@@ -529,10 +531,10 @@ internal B32 ctrl_process_write(CTRL_MachineID machine_id, CTRL_Handle process,
//- rjf: process memory cache interaction
internal U128 ctrl_hash_store_key_from_process_vaddr_range(CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range, B32 zero_terminated);
internal U128 ctrl_stored_hash_from_process_vaddr_range(CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range, B32 zero_terminated);
internal U128 ctrl_stored_hash_from_process_vaddr_range(CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range, B32 zero_terminated, U64 endt_us);
//- rjf: process memory cache reading helpers
internal CTRL_ProcessMemorySlice ctrl_query_cached_data_from_process_vaddr_range(Arena *arena, CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range);
internal CTRL_ProcessMemorySlice ctrl_query_cached_data_from_process_vaddr_range(Arena *arena, CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range, U64 endt_us);
internal CTRL_ProcessMemorySlice ctrl_query_cached_zero_terminated_data_from_process_vaddr_limit(Arena *arena, CTRL_MachineID machine_id, CTRL_Handle process, U64 vaddr, U64 limit, U64 endt_us);
//- rjf: register reading/writing