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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/lib_raddbg_markup/raddbg_markup.h
+62 -21
View File
@@ -16,29 +16,33 @@
//~ Usage Macros
#if defined(RADDBG_MARKUP_STUBS)
# define raddbg_is_attached(...) (0)
# define raddbg_thread_name(fmt, ...) ((void)0)
# define raddbg_thread_color_hex(hexcode) ((void)0)
# define raddbg_thread_color_rgba(r, g, b, a) ((void)0)
# define raddbg_break(...) ((void)0)
# define raddbg_break_if(expr, ...) ((void)expr)
# define raddbg_watch(fmt, ...) ((void)0)
# define raddbg_is_attached(...) (0)
# define raddbg_thread_name(fmt, ...) ((void)0)
# define raddbg_thread_color_hex(hexcode) ((void)0)
# define raddbg_thread_color_rgba(r, g, b, a) ((void)0)
# define raddbg_break(...) ((void)0)
# define raddbg_break_if(expr, ...) ((void)expr)
# define raddbg_watch(fmt, ...) ((void)0)
# define raddbg_pin(expr, ...)
# define raddbg_log(fmt, ...) ((void)0)
# define raddbg_entry_point(...) struct raddbg_gen_data_id(){int __unused__}
# define raddbg_auto_view_rule(type, ...) struct raddbg_gen_data_id(){int __unused__}
# define raddbg_log(fmt, ...) ((void)0)
# define raddbg_entry_point(...) struct raddbg_gen_data_id(){int __unused__}
# define raddbg_auto_view_rule(type, ...) struct raddbg_gen_data_id(){int __unused__}
# define raddbg_add_breakpoint(ptr, size, r, w, x) ((void)0)
# define raddbg_remove_breakpoint(ptr, size, r, w, x) ((void)0)
#else
# define raddbg_is_attached(...) raddbg_is_attached__impl()
# define raddbg_thread_name(fmt, ...) raddbg_thread_name__impl((fmt), __VA_ARGS__)
# define raddbg_thread_color_hex(hexcode) raddbg_thread_color__impl((hexcode))
# define raddbg_thread_color_rgba(r, g, b, a) raddbg_thread_color__impl(((unsigned int)((r)*255) << 24) | ((unsigned int)((g)*255) << 16) | ((unsigned int)((b)*255) << 8) | ((unsigned int)(a)*255))
# define raddbg_break(...) raddbg_break__impl()
# define raddbg_break_if(expr, ...) ((expr) ? raddbg_break__impl() : (void)0)
# define raddbg_watch(fmt, ...) raddbg_watch__impl((fmt), __VA_ARGS__)
# define raddbg_pin(expr, ...) /* NOTE(rjf): inspected by debugger ui - does not change program execution */
# define raddbg_log(fmt, ...) raddbg_log__impl((fmt), __VA_ARGS__)
# define raddbg_entry_point(...) raddbg_exe_data static char raddbg_gen_data_id()[] = ("entry_point: \"" #__VA_ARGS__ "\"")
# define raddbg_auto_view_rule(type, ...) raddbg_exe_data static char raddbg_gen_data_id()[] = ("auto_view_rule: {type: \"" #type "\", view_rule: \"" #__VA_ARGS__ "\"}")
# define raddbg_is_attached(...) raddbg_is_attached__impl()
# define raddbg_thread_name(fmt, ...) raddbg_thread_name__impl((fmt), __VA_ARGS__)
# define raddbg_thread_color_hex(hexcode) raddbg_thread_color__impl((hexcode))
# define raddbg_thread_color_rgba(r, g, b, a) raddbg_thread_color__impl(((unsigned int)((r)*255) << 24) | ((unsigned int)((g)*255) << 16) | ((unsigned int)((b)*255) << 8) | ((unsigned int)(a)*255))
# define raddbg_break(...) raddbg_break__impl()
# define raddbg_break_if(expr, ...) ((expr) ? raddbg_break__impl() : (void)0)
# define raddbg_watch(fmt, ...) raddbg_watch__impl((fmt), __VA_ARGS__)
# define raddbg_pin(expr, ...) /* NOTE(rjf): inspected by debugger ui - does not change program execution */
# define raddbg_log(fmt, ...) raddbg_log__impl((fmt), __VA_ARGS__)
# define raddbg_entry_point(...) raddbg_exe_data static char raddbg_gen_data_id()[] = ("entry_point: \"" #__VA_ARGS__ "\"")
# define raddbg_auto_view_rule(type, ...) raddbg_exe_data static char raddbg_gen_data_id()[] = ("auto_view_rule: {type: \"" #type "\", view_rule: \"" #__VA_ARGS__ "\"}")
# define raddbg_add_breakpoint(ptr, size, r, w, x) raddbg_add_or_remove_breakpoint__impl((ptr), (1), (size), (r), (w), (x))
# define raddbg_remove_breakpoint(ptr, size, r, w, x) raddbg_add_or_remove_breakpoint__impl((ptr), (0), (size), (r), (w), (x))
#endif
////////////////////////////////
@@ -339,6 +343,43 @@ raddbg_log__impl(char *fmt, ...)
OutputDebugStringA(buffer);
}
static inline void
raddbg_add_or_remove_breakpoint__impl(void *ptr, int set, int size, int r, int w, int x)
{
if(raddbg_is_attached())
{
#pragma pack(push, 8)
typedef struct RADDBG_AddBreakpointInfo RADDBG_AddBreakpointInfo;
struct RADDBG_AddBreakpointInfo
{
unsigned __int64 vaddr;
unsigned __int64 size;
unsigned __int64 r;
unsigned __int64 w;
unsigned __int64 x;
unsigned __int64 add;
};
#pragma pack(pop)
RADDBG_AddBreakpointInfo info;
info.vaddr = (unsigned __int64)ptr;
info.size = size;
info.r = r;
info.w = w;
info.x = x;
info.add = set;
#pragma warning(push)
#pragma warning(disable: 6320 6322)
__try
{
RaiseException(0x00524145u, 0, sizeof(info) / sizeof(void *), (const ULONG_PTR *)&info);
}
__except(1)
{
}
#pragma warning(pop)
}
}
#endif // defined(_WIN32)
#endif // defined(RADDBG_MARKUP_IMPLEMENTATION)