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first pass at filesystem evaluation in eval system

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This commit is contained in:
Ryan Fleury
2024-08-22 16:55:07 -07:00
parent 341f9c6cf7
commit 47462f4789
16 changed files with 293 additions and 207 deletions
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src/df/core/df_core.c
+48 -10
View File
@@ -3729,13 +3729,51 @@ df_ctrl_last_stop_event(void)
////////////////////////////////
//~ rjf: Evaluation Context
internal DF_Entity *
df_entity_from_eval_space(E_Space space)
{
DF_Entity *entity = &df_g_nil_entity;
if(space.u64[0] == 0 && space.u64[1] != 0)
{
entity = (DF_Entity *)space.u64[1];
}
return entity;
}
internal E_Space
df_eval_space_from_entity(DF_Entity *entity)
{
E_Space space = {0};
space.u64[1] = (U64)entity;
return space;
}
internal B32
df_eval_space_read(void *u, E_Space space, void *out, Rng1U64 range)
{
B32 result = 0;
DF_Entity *entity = (DF_Entity *)space;
DF_Entity *entity = df_entity_from_eval_space(space);
switch(entity->kind)
{
//- rjf: nil-space -> fall back to file system
case DF_EntityKind_Nil:
{
U128 key = space;
U128 hash = hs_hash_from_key(key, 0);
HS_Scope *scope = hs_scope_open();
{
String8 data = hs_data_from_hash(scope, hash);
Rng1U64 legal_range = r1u64(0, data.size);
Rng1U64 read_range = intersect_1u64(range, legal_range);
if(read_range.min < read_range.max)
{
result = 1;
MemoryCopy(out, data.str + read_range.min, dim_1u64(read_range));
}
}
hs_scope_close(scope);
}break;
//- rjf: default -> evaluating a debugger entity; read from entity POD evaluation
default:
{
@@ -3799,7 +3837,7 @@ internal B32
df_eval_space_write(void *u, E_Space space, void *in, Rng1U64 range)
{
B32 result = 0;
DF_Entity *entity = (DF_Entity *)space;
DF_Entity *entity = df_entity_from_eval_space(space);
switch(entity->kind)
{
//- rjf: default -> making commits to entity evaluation
@@ -4307,8 +4345,8 @@ df_string_from_simple_typed_eval(Arena *arena, DF_EvalVizStringFlags flags, U32
{
Temp scratch = scratch_begin(&arena, 1);
U64 min_digits = (radix == 16) ? type_byte_size*2 : 0;
String8 upper64 = str8_from_u64(scratch.arena, eval.value.u128[0], radix, min_digits, digit_group_separator);
String8 lower64 = str8_from_u64(scratch.arena, eval.value.u128[1], radix, min_digits, digit_group_separator);
String8 upper64 = str8_from_u64(scratch.arena, eval.value.u128.u64[0], radix, min_digits, digit_group_separator);
String8 lower64 = str8_from_u64(scratch.arena, eval.value.u128.u64[1], radix, min_digits, digit_group_separator);
result = push_str8f(arena, "%S:%S", upper64, lower64);
scratch_end(scratch);
}break;
@@ -5013,7 +5051,7 @@ df_expr_from_eval_viz_block_index(Arena *arena, DF_EvalVizBlock *block, U64 inde
RDI_Scope *scope = rdi_element_from_name_idx(module->rdi, Scopes, procedure->root_scope_idx);
U64 voff = *rdi_element_from_name_idx(module->rdi, ScopeVOffData, scope->voff_range_first);
E_OpList oplist = {0};
e_oplist_push_op(arena, &oplist, RDI_EvalOp_ModuleOff, voff);
e_oplist_push_op(arena, &oplist, RDI_EvalOp_ModuleOff, e_value_u64(voff));
String8 bytecode = e_bytecode_from_oplist(arena, &oplist);
U32 type_idx = procedure->type_idx;
RDI_TypeNode *type_node = rdi_element_from_name_idx(module->rdi, TypeNodes, type_idx);
@@ -5030,7 +5068,7 @@ df_expr_from_eval_viz_block_index(Arena *arena, DF_EvalVizBlock *block, U64 inde
RDI_GlobalVariable *gvar = rdi_element_from_name_idx(module->rdi, GlobalVariables, element_idx);
U64 voff = gvar->voff;
E_OpList oplist = {0};
e_oplist_push_op(arena, &oplist, RDI_EvalOp_ModuleOff, voff);
e_oplist_push_op(arena, &oplist, RDI_EvalOp_ModuleOff, e_value_u64(voff));
String8 bytecode = e_bytecode_from_oplist(arena, &oplist);
U32 type_idx = gvar->type_idx;
RDI_TypeNode *type_node = rdi_element_from_name_idx(module->rdi, TypeNodes, type_idx);
@@ -5046,7 +5084,7 @@ df_expr_from_eval_viz_block_index(Arena *arena, DF_EvalVizBlock *block, U64 inde
{
RDI_ThreadVariable *tvar = rdi_element_from_name_idx(module->rdi, ThreadVariables, element_idx);
E_OpList oplist = {0};
e_oplist_push_op(arena, &oplist, RDI_EvalOp_TLSOff, tvar->tls_off);
e_oplist_push_op(arena, &oplist, RDI_EvalOp_TLSOff, e_value_u64(tvar->tls_off));
String8 bytecode = e_bytecode_from_oplist(arena, &oplist);
U32 type_idx = tvar->type_idx;
RDI_TypeNode *type_node = rdi_element_from_name_idx(module->rdi, TypeNodes, type_idx);
@@ -8389,7 +8427,7 @@ df_core_begin_frame(Arena *arena, DF_CmdList *cmds, F32 dt)
eval_modules[eval_module_idx].arch = df_architecture_from_entity(m);
eval_modules[eval_module_idx].rdi = di_rdi_from_key(df_state->frame_di_scope, &dbgi_key, 0);
eval_modules[eval_module_idx].vaddr_range = m->vaddr_rng;
eval_modules[eval_module_idx].space = (U64)df_entity_ancestor_from_kind(m, DF_EntityKind_Process);
eval_modules[eval_module_idx].space = df_eval_space_from_entity(df_entity_ancestor_from_kind(m, DF_EntityKind_Process));
if(module == m)
{
eval_modules_primary = &eval_modules[eval_module_idx];
@@ -8435,7 +8473,7 @@ df_core_begin_frame(Arena *arena, DF_CmdList *cmds, F32 dt)
E_ParseCtx *ctx = parse_ctx;
ctx->ip_vaddr = rip_vaddr;
ctx->ip_voff = rip_voff;
ctx->ip_thread_space = (E_Space)thread;
ctx->ip_thread_space = df_eval_space_from_entity(thread);
ctx->modules = eval_modules;
ctx->modules_count = eval_modules_count;
ctx->primary_module = eval_modules_primary;
@@ -8496,7 +8534,7 @@ df_core_begin_frame(Arena *arena, DF_CmdList *cmds, F32 dt)
ctx->space_write = df_eval_space_write;
ctx->primary_space = eval_modules_primary->space;
ctx->reg_arch = eval_modules_primary->arch;
ctx->reg_space = (E_Space)thread;
ctx->reg_space = df_eval_space_from_entity(thread);
ctx->reg_unwind_count = unwind_count;
ctx->module_base = push_array(arena, U64, 1);
ctx->module_base[0] = module->vaddr_rng.min;
src/df/core/df_core.h
+2
View File
@@ -1573,6 +1573,8 @@ internal CTRL_Event df_ctrl_last_stop_event(void);
////////////////////////////////
//~ rjf: Evaluation Context
internal DF_Entity *df_entity_from_eval_space(E_Space space);
internal E_Space df_eval_space_from_entity(DF_Entity *entity);
internal B32 df_eval_space_read(void *u, E_Space space, void *out, Rng1U64 range);
internal B32 df_eval_space_write(void *u, E_Space space, void *in, Rng1U64 range);
internal E_Eval df_eval_from_eval_cfg_table(Arena *arena, E_Eval eval, DF_CfgTable *cfg);