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rd: prioritize fastpath for non-unwound register reads; d2r2: prepass to find all top-level tag trees, subdivide unit work on a root-level tag tree basis

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This commit is contained in:
Ryan Fleury
2026-05-01 12:34:35 -07:00
parent 0b26b1c83e
commit 0b5e827f6c
4 changed files with 1271 additions and 1002 deletions
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src/raddbg/raddbg_core.c
+17 -5
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@@ -769,16 +769,28 @@ rd_eval_space_read(E_Space space, void *out, Rng1U64 range)
case D_EntityKind_Thread:
{
Access *access = access_open();
D_CallStack call_stack = d_call_stack_from_thread(access, entity->handle, 1, rd_state->frame_eval_memread_endt_us);
U64 concrete_frame_idx = e_interpret_ctx->reg_unwind_count;
if(concrete_frame_idx < call_stack.concrete_frames_count)
void *regs_block = 0;
if(e_interpret_ctx->reg_unwind_count == 0)
{
regs_block = d_reg_block_from_thread(scratch.arena, &d_user_state->ctrl_entity_store->ctx, entity->handle);
}
else
{
D_CallStack call_stack = d_call_stack_from_thread(access, entity->handle, 1, rd_state->frame_eval_memread_endt_us);
U64 concrete_frame_idx = e_interpret_ctx->reg_unwind_count;
if(concrete_frame_idx < call_stack.concrete_frames_count)
{
D_CallStackFrame *f = call_stack.concrete_frames[concrete_frame_idx];
regs_block = f->regs;
}
}
if(regs_block != 0)
{
D_CallStackFrame *f = call_stack.concrete_frames[concrete_frame_idx];
U64 regs_size = regs_block_size_from_arch(e_interpret_ctx->reg_arch);
Rng1U64 legal_range = r1u64(0, regs_size);
Rng1U64 read_range = intersect_1u64(legal_range, range);
U64 read_size = dim_1u64(read_range);
MemoryCopy(out, (U8 *)f->regs + read_range.min, read_size);
MemoryCopy(out, (U8 *)regs_block + read_range.min, read_size);
result = (read_size == dim_1u64(range));
}
access_close(access);