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type-info-table-driven pointer rebasing for meta evals; add callstack info to entity meta evals

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This commit is contained in:
Ryan Fleury
2024-09-19 14:04:40 -07:00
parent 0e993c5e7a
commit 7bec50db75
5 changed files with 132 additions and 52 deletions
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src/raddbg/raddbg_core.c
+27 -24
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@@ -1865,15 +1865,7 @@ rd_eval_space_read(void *u, E_Space space, void *out, Rng1U64 range)
U64 pos_min = arena_pos(scratch.arena);
String8 eval_srlzed = serialized_from_struct(scratch.arena, CTRL_MetaEval, eval);
CTRL_MetaEval *eval_read = struct_from_serialized(scratch.arena, CTRL_MetaEval, eval_srlzed);
for EachMember(CTRL_MetaEval, m)
{
if(str8_match(m->type->name, str8_lit("String8"), 0))
{
U64 ptr_value = *(U64 *)((U8 *)eval_read + m->value);
U64 space_relative_ptr_value = ptr_value - (U64)eval_read;
*(U64 *)((U8 *)eval_read + m->value) = space_relative_ptr_value;
}
}
struct_rebase_ptrs(CTRL_MetaEval, eval_read, eval_read);
U64 pos_opl = arena_pos(scratch.arena);
Rng1U64 legal_range = r1u64(0, pos_opl-pos_min);
if(contains_1u64(legal_range, range.min))
@@ -10228,6 +10220,26 @@ rd_frame(void)
meval->color = entity->rgba;
meval->label = entity->string;
meval->id = entity->id;
if(entity->kind == CTRL_EntityKind_Thread)
{
CTRL_Entity *process = ctrl_entity_ancestor_from_kind(entity, CTRL_EntityKind_Process);
CTRL_Unwind base_unwind = d_query_cached_unwind_from_thread(entity);
D_Unwind rich_unwind = d_unwind_from_ctrl_unwind(scratch.arena, di_scope, process, &base_unwind);
meval->callstack.count = rich_unwind.frames.total_frame_count;
meval->callstack.v = push_array(scratch.arena, CTRL_MetaEvalFrame, meval->callstack.count);
U64 idx = 0;
for(U64 base_idx = 0; base_idx < rich_unwind.frames.concrete_frame_count; base_idx += 1)
{
U64 inline_idx = 0;
for(D_UnwindInlineFrame *f = rich_unwind.frames.v[base_idx].first_inline_frame; f != 0; f = f->next, inline_idx += 1)
{
meval->callstack.v[idx].vaddr = regs_rip_from_arch_block(entity->arch, rich_unwind.frames.v[base_idx].regs);
idx += 1;
}
meval->callstack.v[idx].vaddr = regs_rip_from_arch_block(entity->arch, rich_unwind.frames.v[base_idx].regs);
idx += 1;
}
}
meta_eval_idx += 1;
}
}
@@ -10276,23 +10288,14 @@ rd_frame(void)
ctx->macro_map = push_array(scratch.arena, E_String2ExprMap, 1);
ctx->macro_map[0] = e_string2expr_map_make(scratch.arena, 512);
//- rjf: add macros for constants
//- rjf: add macros for all evallable frontend entities
{
}
//- rjf: add macros for all evallable control entities
{
// rjf: pid -> current process' ID
if(process != &ctrl_entity_nil)
{
E_Expr *expr = e_push_expr(scratch.arena, E_ExprKind_LeafU64, 0);
expr->value.u64 = process->id;
e_string2expr_map_insert(scratch.arena, ctx->macro_map, str8_lit("pid"), expr);
}
// rjf: tid -> current thread's ID
if(thread != &ctrl_entity_nil)
{
E_Expr *expr = e_push_expr(scratch.arena, E_ExprKind_LeafU64, 0);
expr->value.u64 = thread->id;
e_string2expr_map_insert(scratch.arena, ctx->macro_map, str8_lit("tid"), expr);
}
}
//- rjf: add macros for meta evaluations