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enable read/write bits on just read data breakpoint on x64 - there is no way to do a read-only (without write) data breakpoint

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Ryan Fleury
2025-08-06 11:50:01 -07:00
parent 4c10e84e5f
commit cd8c3a2172
1 changed files with 1 additions and 0 deletions
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src/demon/win32/demon_core_win32.c
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@@ -1684,6 +1684,7 @@ dmn_ctrl_run(Arena *arena, DMN_CtrlCtx *ctx, DMN_RunCtrls *ctrls)
}break; }break;
case DMN_TrapFlag_BreakOnRead|DMN_TrapFlag_BreakOnWrite|DMN_TrapFlag_BreakOnExecute: case DMN_TrapFlag_BreakOnRead|DMN_TrapFlag_BreakOnWrite|DMN_TrapFlag_BreakOnExecute:
case DMN_TrapFlag_BreakOnRead|DMN_TrapFlag_BreakOnWrite: case DMN_TrapFlag_BreakOnRead|DMN_TrapFlag_BreakOnWrite:
case DMN_TrapFlag_BreakOnRead:
{ {
regs.dr7.u64 |= (((U64)bit17) << (trap_idx*4)); regs.dr7.u64 |= (((U64)bit17) << (trap_idx*4));
regs.dr7.u64 |= (((U64)bit18) << (trap_idx*4)); regs.dr7.u64 |= (((U64)bit18) << (trap_idx*4));