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transmit user breakpoints hit from demon -> ctrl using ctrl-defined IDs, correllate those IDs to rd-defined IDs, use rd-defined IDs in stop events to count bp hits, rather than re-resolving breakpoints. further fixes & work on first pass of data breakpoints

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This commit is contained in:
Ryan Fleury
2025-04-12 14:28:38 -07:00
parent d894f7112f
commit 0f380e9228
6 changed files with 181 additions and 71 deletions
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src/ctrl/ctrl_core.c
+25 -11
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@@ -396,6 +396,7 @@ ctrl_serialized_string_from_msg_list(Arena *arena, CTRL_MsgList *msgs)
CTRL_UserBreakpoint *bp = &n->v;
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->kind);
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->flags);
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->id);
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->string.size);
str8_serial_push_data(scratch.arena, &msgs_srlzed, bp->string.str, bp->string.size);
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->pt);
@@ -518,6 +519,7 @@ ctrl_msg_list_from_serialized_string(Arena *arena, String8 string)
CTRL_UserBreakpoint *bp = &n->v;
read_off += str8_deserial_read_struct(string, read_off, &bp->kind);
read_off += str8_deserial_read_struct(string, read_off, &bp->flags);
read_off += str8_deserial_read_struct(string, read_off, &bp->id);
read_off += str8_deserial_read_struct(string, read_off, &bp->string.size);
bp->string.str = push_array_no_zero(arena, U8, bp->string.size);
read_off += str8_deserial_read(string, read_off, bp->string.str, bp->string.size, 1);
@@ -5731,21 +5733,28 @@ ctrl_thread__run(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
}
// rjf: user breakpoints
for(DMN_TrapChunkNode *n = user_traps.first; n != 0; n = n->next)
{
DMN_Trap *trap = n->v;
DMN_Trap *opl = n->v + n->count;
for(;trap < opl; trap += 1)
if(event->user_data != 0)
{
if(dmn_handle_match(trap->process, event->process) &&
trap->vaddr == event->instruction_pointer &&
(!dmn_handle_match(event->thread, target_thread.dmn_handle) || !target_thread_is_on_user_bp_and_trap_net_trap))
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)event->user_data;
hit_user_bp = 1;
}
for(DMN_TrapChunkNode *n = user_traps.first; n != 0; n = n->next)
{
DMN_Trap *trap = n->v;
DMN_Trap *opl = n->v + n->count;
for(;trap < opl; trap += 1)
{
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)trap->id;
hit_user_bp = 1;
if(user_bp != 0 && user_bp->condition.size != 0)
if(dmn_handle_match(trap->process, event->process) &&
trap->vaddr == event->instruction_pointer &&
(!dmn_handle_match(event->thread, target_thread.dmn_handle) || !target_thread_is_on_user_bp_and_trap_net_trap))
{
str8_list_push(temp.arena, &conditions, user_bp->condition);
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)trap->id;
hit_user_bp = 1;
if(user_bp != 0 && user_bp->condition.size != 0)
{
str8_list_push(temp.arena, &conditions, user_bp->condition);
}
}
}
}
@@ -6090,6 +6099,11 @@ ctrl_thread__run(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
event->exception_kind = ctrl_exception_kind_from_dmn(stop_event->exception_kind);
event->vaddr_rng = r1u64(stop_event->address, stop_event->address);
event->rip_vaddr = stop_event->instruction_pointer;
if(stop_cause == CTRL_EventCause_UserBreakpoint && stop_event->user_data != 0)
{
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)stop_event->user_data;
event->u64_code = user_bp->id;
}
ctrl_c2u_push_events(&evts);
}