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sketch out new markup API for programmatic address/data breakpoints

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This commit is contained in:
Ryan Fleury
2025-04-12 15:21:48 -07:00
parent 6a5fa58d8a
commit 7ba027e841
10 changed files with 184 additions and 70 deletions
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src/ctrl/ctrl_core.c
+28 -2
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@@ -131,6 +131,16 @@ ctrl_dmn_trap_flags_from_user_breakpoint_flags(CTRL_UserBreakpointFlags flags)
return result;
}
internal CTRL_UserBreakpointFlags
ctrl_user_breakpoint_flags_from_dmn_trap_flags(DMN_TrapFlags flags)
{
CTRL_UserBreakpointFlags result = 0;
if(flags & DMN_TrapFlag_BreakOnWrite) { result |= CTRL_UserBreakpointFlag_BreakOnWrite; }
if(flags & DMN_TrapFlag_BreakOnRead) { result |= CTRL_UserBreakpointFlag_BreakOnRead; }
if(flags & DMN_TrapFlag_BreakOnExecute) { result |= CTRL_UserBreakpointFlag_BreakOnExecute; }
return result;
}
////////////////////////////////
//~ rjf: Machine/Handle Pair Type Functions
@@ -588,8 +598,9 @@ ctrl_serialized_string_from_event(Arena *arena, CTRL_Event *event, U64 max)
str8_serial_push_struct(scratch.arena, &srl, &event->stack_base);
str8_serial_push_struct(scratch.arena, &srl, &event->tls_root);
str8_serial_push_struct(scratch.arena, &srl, &event->timestamp);
str8_serial_push_struct(scratch.arena, &srl, &event->rgba);
str8_serial_push_struct(scratch.arena, &srl, &event->exception_code);
str8_serial_push_struct(scratch.arena, &srl, &event->rgba);
str8_serial_push_struct(scratch.arena, &srl, &event->bp_flags);
String8 string = event->string;
string.size = Min(string.size, max-srl.total_size);
str8_serial_push_struct(scratch.arena, &srl, &string.size);
@@ -620,8 +631,9 @@ ctrl_event_from_serialized_string(Arena *arena, String8 string)
read_off += str8_deserial_read_struct(string, read_off, &event.stack_base);
read_off += str8_deserial_read_struct(string, read_off, &event.tls_root);
read_off += str8_deserial_read_struct(string, read_off, &event.timestamp);
read_off += str8_deserial_read_struct(string, read_off, &event.rgba);
read_off += str8_deserial_read_struct(string, read_off, &event.exception_code);
read_off += str8_deserial_read_struct(string, read_off, &event.rgba);
read_off += str8_deserial_read_struct(string, read_off, &event.bp_flags);
read_off += str8_deserial_read_struct(string, read_off, &event.string.size);
event.string.str = push_array_no_zero(arena, U8, event.string.size);
read_off += str8_deserial_read(string, read_off, event.string.str, event.string.size, 1);
@@ -4353,6 +4365,20 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
out_evt->rgba = event->code;
}break;
case DMN_EventKind_SetBreakpoint:
{
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
out_evt->kind = CTRL_EventKind_SetBreakpoint;
out_evt->vaddr_rng = r1u64(event->address, event->address+event->size);
out_evt->bp_flags = ctrl_user_breakpoint_flags_from_dmn_trap_flags(event->flags);
}break;
case DMN_EventKind_UnsetBreakpoint:
{
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
out_evt->kind = CTRL_EventKind_UnsetBreakpoint;
out_evt->vaddr_rng = r1u64(event->address, event->address+event->size);
out_evt->bp_flags = ctrl_user_breakpoint_flags_from_dmn_trap_flags(event->flags);
}break;
}
ctrl_c2u_push_events(&evts);