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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/demon/demon_core.h
+1 -1
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@@ -73,7 +73,7 @@ struct DMN_Event
U64 size;
String8 string;
U32 code; // code gives pid & tid on CreateProcess and CreateThread (respectfully)
U32 flags;
U32 flags; // DMN_TrapFlags, if `DMN_EventKind_SetBreakpoint`
S32 signo;
S32 sigcode;
U64 instruction_pointer;
src/demon/demon_core.mdesk
+2
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@@ -22,6 +22,8 @@ DMN_EventKindTable:
{DebugString}
{SetThreadName}
{SetThreadColor}
{SetBreakpoint}
{UnsetBreakpoint}
}
@table(name)
src/demon/generated/demon.meta.c
+3 -1
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@@ -4,7 +4,7 @@
//- GENERATED CODE
C_LINKAGE_BEGIN
String8 dmn_event_kind_string_table[18] =
String8 dmn_event_kind_string_table[20] =
{
str8_lit_comp("Null"),
str8_lit_comp("Error"),
@@ -24,6 +24,8 @@ str8_lit_comp("Memory"),
str8_lit_comp("DebugString"),
str8_lit_comp("SetThreadName"),
str8_lit_comp("SetThreadColor"),
str8_lit_comp("SetBreakpoint"),
str8_lit_comp("UnsetBreakpoint"),
};
String8 dmn_exception_kind_string_table[5] =
src/demon/generated/demon.meta.h
+3 -1
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@@ -26,6 +26,8 @@ DMN_EventKind_Memory,
DMN_EventKind_DebugString,
DMN_EventKind_SetThreadName,
DMN_EventKind_SetThreadColor,
DMN_EventKind_SetBreakpoint,
DMN_EventKind_UnsetBreakpoint,
DMN_EventKind_COUNT,
} DMN_EventKind;
@@ -59,7 +61,7 @@ DMN_ExceptionKind_COUNT,
} DMN_ExceptionKind;
C_LINKAGE_BEGIN
extern String8 dmn_event_kind_string_table[18];
extern String8 dmn_event_kind_string_table[20];
extern String8 dmn_exception_kind_string_table[5];
C_LINKAGE_END
src/demon/win32/demon_core_win32.c
+17
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@@ -2527,6 +2527,23 @@ dmn_ctrl_run(Arena *arena, DMN_CtrlCtx *ctx, DMN_RunCtrls *ctrls)
e->code = exception->ExceptionInformation[1];
}break;
//- rjf: fill set-data-breakpoint info
case DMN_W32_EXCEPTION_RADDBG_SET_BREAKPOINT:
{
U64 vaddr = exception->ExceptionInformation[0];
U64 size = exception->ExceptionInformation[1];
U64 read = exception->ExceptionInformation[2];
U64 write = exception->ExceptionInformation[3];
U64 exec = exception->ExceptionInformation[4];
U64 set = exception->ExceptionInformation[5];
e->kind = set ? DMN_EventKind_SetBreakpoint : DMN_EventKind_UnsetBreakpoint;
e->address = vaddr;
e->size = size;
if(read) { e->flags |= DMN_TrapFlag_BreakOnRead; }
if(write) { e->flags |= DMN_TrapFlag_BreakOnWrite; }
if(exec) { e->flags |= DMN_TrapFlag_BreakOnExecute; }
}break;
//- rjf: unhandled exception case
default:
{
src/demon/win32/demon_core_win32.h
+43 -42
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@@ -15,48 +15,49 @@
////////////////////////////////
//~ rjf: Win32 Exception Codes
#define DMN_W32_EXCEPTION_BREAKPOINT 0x80000003u
#define DMN_W32_EXCEPTION_SINGLE_STEP 0x80000004u
#define DMN_W32_EXCEPTION_LONG_JUMP 0x80000026u
#define DMN_W32_EXCEPTION_ACCESS_VIOLATION 0xC0000005u
#define DMN_W32_EXCEPTION_ARRAY_BOUNDS_EXCEEDED 0xC000008Cu
#define DMN_W32_EXCEPTION_DATA_TYPE_MISALIGNMENT 0x80000002u
#define DMN_W32_EXCEPTION_GUARD_PAGE_VIOLATION 0x80000001u
#define DMN_W32_EXCEPTION_FLT_DENORMAL_OPERAND 0xC000008Du
#define DMN_W32_EXCEPTION_FLT_DEVIDE_BY_ZERO 0xC000008Eu
#define DMN_W32_EXCEPTION_FLT_INEXACT_RESULT 0xC000008Fu
#define DMN_W32_EXCEPTION_FLT_INVALID_OPERATION 0xC0000090u
#define DMN_W32_EXCEPTION_FLT_OVERFLOW 0xC0000091u
#define DMN_W32_EXCEPTION_FLT_STACK_CHECK 0xC0000092u
#define DMN_W32_EXCEPTION_FLT_UNDERFLOW 0xC0000093u
#define DMN_W32_EXCEPTION_INT_DIVIDE_BY_ZERO 0xC0000094u
#define DMN_W32_EXCEPTION_INT_OVERFLOW 0xC0000095u
#define DMN_W32_EXCEPTION_PRIVILEGED_INSTRUCTION 0xC0000096u
#define DMN_W32_EXCEPTION_ILLEGAL_INSTRUCTION 0xC000001Du
#define DMN_W32_EXCEPTION_IN_PAGE_ERROR 0xC0000006u
#define DMN_W32_EXCEPTION_INVALID_DISPOSITION 0xC0000026u
#define DMN_W32_EXCEPTION_NONCONTINUABLE 0xC0000025u
#define DMN_W32_EXCEPTION_STACK_OVERFLOW 0xC00000FDu
#define DMN_W32_EXCEPTION_INVALID_HANDLE 0xC0000008u
#define DMN_W32_EXCEPTION_UNWIND_CONSOLIDATE 0x80000029u
#define DMN_W32_EXCEPTION_DLL_NOT_FOUND 0xC0000135u
#define DMN_W32_EXCEPTION_ORDINAL_NOT_FOUND 0xC0000138u
#define DMN_W32_EXCEPTION_ENTRY_POINT_NOT_FOUND 0xC0000139u
#define DMN_W32_EXCEPTION_DLL_INIT_FAILED 0xC0000142u
#define DMN_W32_EXCEPTION_CONTROL_C_EXIT 0xC000013Au
#define DMN_W32_EXCEPTION_FLT_MULTIPLE_FAULTS 0xC00002B4u
#define DMN_W32_EXCEPTION_FLT_MULTIPLE_TRAPS 0xC00002B5u
#define DMN_W32_EXCEPTION_NAT_CONSUMPTION 0xC00002C9u
#define DMN_W32_EXCEPTION_HEAP_CORRUPTION 0xC0000374u
#define DMN_W32_EXCEPTION_STACK_BUFFER_OVERRUN 0xC0000409u
#define DMN_W32_EXCEPTION_INVALID_CRUNTIME_PARAM 0xC0000417u
#define DMN_W32_EXCEPTION_ASSERT_FAILURE 0xC0000420u
#define DMN_W32_EXCEPTION_NO_MEMORY 0xC0000017u
#define DMN_W32_EXCEPTION_THROW 0xE06D7363u
#define DMN_W32_EXCEPTION_SET_THREAD_NAME 0x406d1388u
#define DMN_w32_EXCEPTION_CLRDBG_NOTIFICATION 0x04242420u
#define DMN_w32_EXCEPTION_CLR 0xE0434352u
#define DMN_W32_EXCEPTION_RADDBG_SET_THREAD_COLOR 0x00524144u
#define DMN_W32_EXCEPTION_BREAKPOINT 0x80000003u
#define DMN_W32_EXCEPTION_SINGLE_STEP 0x80000004u
#define DMN_W32_EXCEPTION_LONG_JUMP 0x80000026u
#define DMN_W32_EXCEPTION_ACCESS_VIOLATION 0xC0000005u
#define DMN_W32_EXCEPTION_ARRAY_BOUNDS_EXCEEDED 0xC000008Cu
#define DMN_W32_EXCEPTION_DATA_TYPE_MISALIGNMENT 0x80000002u
#define DMN_W32_EXCEPTION_GUARD_PAGE_VIOLATION 0x80000001u
#define DMN_W32_EXCEPTION_FLT_DENORMAL_OPERAND 0xC000008Du
#define DMN_W32_EXCEPTION_FLT_DEVIDE_BY_ZERO 0xC000008Eu
#define DMN_W32_EXCEPTION_FLT_INEXACT_RESULT 0xC000008Fu
#define DMN_W32_EXCEPTION_FLT_INVALID_OPERATION 0xC0000090u
#define DMN_W32_EXCEPTION_FLT_OVERFLOW 0xC0000091u
#define DMN_W32_EXCEPTION_FLT_STACK_CHECK 0xC0000092u
#define DMN_W32_EXCEPTION_FLT_UNDERFLOW 0xC0000093u
#define DMN_W32_EXCEPTION_INT_DIVIDE_BY_ZERO 0xC0000094u
#define DMN_W32_EXCEPTION_INT_OVERFLOW 0xC0000095u
#define DMN_W32_EXCEPTION_PRIVILEGED_INSTRUCTION 0xC0000096u
#define DMN_W32_EXCEPTION_ILLEGAL_INSTRUCTION 0xC000001Du
#define DMN_W32_EXCEPTION_IN_PAGE_ERROR 0xC0000006u
#define DMN_W32_EXCEPTION_INVALID_DISPOSITION 0xC0000026u
#define DMN_W32_EXCEPTION_NONCONTINUABLE 0xC0000025u
#define DMN_W32_EXCEPTION_STACK_OVERFLOW 0xC00000FDu
#define DMN_W32_EXCEPTION_INVALID_HANDLE 0xC0000008u
#define DMN_W32_EXCEPTION_UNWIND_CONSOLIDATE 0x80000029u
#define DMN_W32_EXCEPTION_DLL_NOT_FOUND 0xC0000135u
#define DMN_W32_EXCEPTION_ORDINAL_NOT_FOUND 0xC0000138u
#define DMN_W32_EXCEPTION_ENTRY_POINT_NOT_FOUND 0xC0000139u
#define DMN_W32_EXCEPTION_DLL_INIT_FAILED 0xC0000142u
#define DMN_W32_EXCEPTION_CONTROL_C_EXIT 0xC000013Au
#define DMN_W32_EXCEPTION_FLT_MULTIPLE_FAULTS 0xC00002B4u
#define DMN_W32_EXCEPTION_FLT_MULTIPLE_TRAPS 0xC00002B5u
#define DMN_W32_EXCEPTION_NAT_CONSUMPTION 0xC00002C9u
#define DMN_W32_EXCEPTION_HEAP_CORRUPTION 0xC0000374u
#define DMN_W32_EXCEPTION_STACK_BUFFER_OVERRUN 0xC0000409u
#define DMN_W32_EXCEPTION_INVALID_CRUNTIME_PARAM 0xC0000417u
#define DMN_W32_EXCEPTION_ASSERT_FAILURE 0xC0000420u
#define DMN_W32_EXCEPTION_NO_MEMORY 0xC0000017u
#define DMN_W32_EXCEPTION_THROW 0xE06D7363u
#define DMN_W32_EXCEPTION_SET_THREAD_NAME 0x406d1388u
#define DMN_w32_EXCEPTION_CLRDBG_NOTIFICATION 0x04242420u
#define DMN_w32_EXCEPTION_CLR 0xE0434352u
#define DMN_W32_EXCEPTION_RADDBG_SET_THREAD_COLOR 0x00524144u
#define DMN_W32_EXCEPTION_RADDBG_SET_BREAKPOINT 0x00524145u
////////////////////////////////
//~ rjf: Win32 Register Codes