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re-plug raddbg markup data section into module image info cache; fix detachment signifying

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This commit is contained in:
Ryan Fleury
2026-03-29 11:05:45 -07:00
parent 8c7b3d7356
commit a23375a070
3 changed files with 58 additions and 56 deletions
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project.4coder
+1 -1
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@@ -47,7 +47,7 @@ commands =
{
//- rjf: [raddbg]
// .f1 = { .win = "raddbg_stable --ipc kill_all && build raddbg meta telemetry", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
.f1 = { .win = "raddbg_stable --ipc kill_all && build radbin debug telemetry", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
.f1 = { .win = "raddbg_stable --ipc kill_all && build raddbg debug telemetry", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
//- rjf: [raddbg wsl]
// .f1 = { .win = "wsl ./build.sh raddbg", .linux = "", .out = "*compilation*", .footer_panel = true, .save_dirty_files = true, .cursor_at_end = false, },
src/ctrl/ctrl_core.c
+12 -10
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@@ -3772,6 +3772,7 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
{
Temp scratch = scratch_begin(0,0);
//- rjf: set up per-module info
Arena *arena = arena_alloc();
U64 entry_point_voff = 0;
U32 rdi_dbg_time = 0;
@@ -3779,22 +3780,20 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
String8 exe_dbg_path = {0};
String8 rdi_dbg_path = {0};
String8 raddbg_data = {0};
Rng1U64 raddbg_section_voff_range = r1u64(0, 0);
Rng1U64 raddbg_is_attached_section_voff_range = r1u64(0, 0);
Rng1U64 raddbg_section_voff_range = {0};
Rng1U64 raddbg_is_attached_section_voff_range = {0};
PE_IntelPdata *pdatas = 0;
U64 pdatas_count = 0;
U32 pdb_dbg_time = 0;
U32 pdb_dbg_age = 0;
Guid pdb_dbg_guid = {0};
String8 pdb_dbg_path = {0};
U64 cfi_rebase = 0;
B32 is_unwind_eh = 0;
EH_FrameHdr eh_frame_hdr = {0};
EH_PtrCtx eh_ptr_ctx = { .pc_vaddr = max_U64, .text_vaddr = max_U64, .data_vaddr = max_U64, .func_vaddr = max_U64, .ptr_align = 0 };
// read module's signature bytes
//- read module's signature bytes
U64 module_sig_size = Max(elf_magic_string.size, sizeof(PE_DosMagic));
U8 *module_sig_bytes = push_array(scratch.arena, U8, module_sig_size);
dmn_process_read(process.dmn_handle, rng_1u64(vaddr_range.min, vaddr_range.min + module_sig_size), module_sig_bytes);
@@ -4004,6 +4003,7 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
}
}
}
//////////////////////////////
//- parse ELF module
//
@@ -4167,6 +4167,8 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
node->eh_ptr_ctx = eh_ptr_ctx;
node->entry_point_voff = entry_point_voff;
node->initial_debug_info_path = initial_debug_info_path;
node->raddbg_attached_marker_voff = raddbg_is_attached_section_voff_range.min;
node->raddbg_data = str8_copy(arena, raddbg_data);
}
}
}
@@ -4180,7 +4182,7 @@ ctrl_thread__module_close(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr
//////////////////////////////
//- rjf: evict module image info from cache
//
Rng1U64 raddbg_section_voff_range = {0};
U64 raddbg_attached_marker_voff = 0;
{
U64 hash = ctrl_hash_from_handle(module);
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
@@ -4200,7 +4202,7 @@ ctrl_thread__module_close(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr
}
if(node)
{
raddbg_section_voff_range = node->raddbg_section_voff_range;
raddbg_attached_marker_voff = node->raddbg_attached_marker_voff;
DLLRemove(slot->first, slot->last, node);
arena_release(node->arena);
}
@@ -4208,12 +4210,12 @@ ctrl_thread__module_close(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr
}
//////////////////////////////
//- rjf: write 0 into first byte of raddbg data section, to signify detachment
//- rjf: write 0 at attachment market, to signify detachment
//
if(raddbg_section_voff_range.max != raddbg_section_voff_range.min)
if(raddbg_attached_marker_voff != 0)
{
U8 new_value = 0;
dmn_process_write_struct(process.dmn_handle, vaddr_range.min + raddbg_section_voff_range.min, &new_value);
dmn_process_write_struct(process.dmn_handle, vaddr_range.min + raddbg_attached_marker_voff, &new_value);
}
}
src/ctrl/ctrl_core.h
+1 -1
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@@ -634,7 +634,7 @@ struct CTRL_ModuleImageInfoCacheNode
EH_PtrCtx eh_ptr_ctx;
U64 entry_point_voff;
String8 initial_debug_info_path;
Rng1U64 raddbg_section_voff_range;
U64 raddbg_attached_marker_voff;
String8 raddbg_data;
};