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always allocate byte dirty/unreadable flags in ctrl process memory cache lookup, rather than trusting caller to check

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This commit is contained in:
Ryan Fleury
2024-01-29 11:56:34 -08:00
parent 3fd9014c20
commit 57fb21adf7
2 changed files with 8 additions and 9 deletions
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src/ctrl/ctrl_core.c
+4 -2
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@@ -902,6 +902,8 @@ internal CTRL_ProcessMemorySlice
ctrl_query_cached_data_from_process_vaddr_range(Arena *arena, CTRL_MachineID machine_id, CTRL_Handle process, Rng1U64 range)
{
CTRL_ProcessMemorySlice result = {0};
result.byte_bad_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
result.byte_changed_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
if(range.max > range.min &&
dim_1u64(range) <= MB(256) &&
range.min <= 0x000FFFFFFFFFFFFFull &&
@@ -931,8 +933,8 @@ ctrl_query_cached_data_from_process_vaddr_range(Arena *arena, CTRL_MachineID mac
//- rjf: setup output buffers
void *read_out = push_array(arena, U8, dim_1u64(range));
U64 *byte_bad_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
U64 *byte_changed_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
U64 *byte_bad_flags = result.byte_bad_flags;
U64 *byte_changed_flags = result.byte_changed_flags;
//- rjf: iterate pages, fill output
{