ed/raddebugger
1
0
Fork 0
mirror of https://github.com/Ed94/raddebugger.git synced 2026-08-02 03:58:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

adjust demon to correctly produce, & ctrl to correctly process, breakpoint events which cannot be correlated to a high-level UI-defined breakpoint state. this catches, for example, data breakpoints which are programmatically set by the user program.

Browse Source
This commit is contained in:
Ryan Fleury
2025-07-16 11:54:02 -07:00
parent 26f9e09483
commit fc8b521b2c
3 changed files with 20 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/demon/win32/demon_core_win32.c
+4 -5
View File
@@ -2383,7 +2383,6 @@ dmn_ctrl_run(Arena *arena, DMN_CtrlCtx *ctx, DMN_RunCtrls *ctrls)
// hit - so if we have data breakpoints set, we need to
// check this thread's debug registers, to determine if this
// is a regular single-step or a data breakpoint hit.
if(first_flagged_trap_task != 0)
{
// rjf: first determine the flagged trap index
U64 flagged_trap_idx = 0;
@@ -2398,10 +2397,10 @@ dmn_ctrl_run(Arena *arena, DMN_CtrlCtx *ctx, DMN_RunCtrls *ctrls)
{
e->kind = DMN_EventKind_Breakpoint;
if(0){}
else if(regs.dr7.u64 & (1ull<<0) && regs.dr6.u64 & (1ull<<0)) { flagged_trap_idx = 0; }
else if(regs.dr7.u64 & (1ull<<2) && regs.dr6.u64 & (1ull<<1)) { flagged_trap_idx = 1; }
else if(regs.dr7.u64 & (1ull<<4) && regs.dr6.u64 & (1ull<<2)) { flagged_trap_idx = 2; }
else if(regs.dr7.u64 & (1ull<<8) && regs.dr6.u64 & (1ull<<3)) { flagged_trap_idx = 3; }
else if(regs.dr7.u64 & (1ull<<0) && regs.dr6.u64 & (1ull<<0)) { flagged_trap_idx = 0; e->address = regs.dr0.u64; }
else if(regs.dr7.u64 & (1ull<<2) && regs.dr6.u64 & (1ull<<1)) { flagged_trap_idx = 1; e->address = regs.dr1.u64; }
else if(regs.dr7.u64 & (1ull<<4) && regs.dr6.u64 & (1ull<<2)) { flagged_trap_idx = 2; e->address = regs.dr2.u64; }
else if(regs.dr7.u64 & (1ull<<8) && regs.dr6.u64 & (1ull<<3)) { flagged_trap_idx = 3; e->address = regs.dr3.u64; }
}
}break;
}