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test mismatched PCH signatures and presence of .debug$P and .debug$T in

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same obj
This commit is contained in:
Nikita Smith
2026-04-06 12:04:31 -07:00
parent 8a1203ed35
commit 44a0efd207
4 changed files with 368 additions and 41 deletions
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src/linker/lnk_debug_info.c
+23 -23
View File
@@ -280,8 +280,8 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
} }
ProfBegin("Parse CodeView"); ProfBegin("Parse CodeView");
CV_DebugT *debug_p_arr = lnk_parse_debug_t_sections(tp, tp_arena, obj_count, obj_arr, debug_p_list_arr);
input.debug_s_arr = lnk_parse_debug_s_sections(tp, tp_arena, obj_count, obj_arr, debug_s_list_arr); input.debug_s_arr = lnk_parse_debug_s_sections(tp, tp_arena, obj_count, obj_arr, debug_s_list_arr);
input.debug_p_arr = lnk_parse_debug_t_sections(tp, tp_arena, obj_count, obj_arr, debug_p_list_arr);
input.debug_t_arr = lnk_parse_debug_t_sections(tp, tp_arena, obj_count, obj_arr, debug_t_list_arr); input.debug_t_arr = lnk_parse_debug_t_sections(tp, tp_arena, obj_count, obj_arr, debug_t_list_arr);
input.debug_h_arr = push_array(tp_arena->v[0], CV_DebugH, obj_count); // TODO: collect & parse .debug$H input.debug_h_arr = push_array(tp_arena->v[0], CV_DebugH, obj_count); // TODO: collect & parse .debug$H
ProfEnd(); ProfEnd();
@@ -324,17 +324,20 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
input.int_obj_indices.v = push_array(tp_arena->v[0], U32, obj_count); input.int_obj_indices.v = push_array(tp_arena->v[0], U32, obj_count);
for EachIndex(obj_idx, obj_count) { for EachIndex(obj_idx, obj_count) {
CV_DebugT *debug_t = &input.debug_t_arr[obj_idx]; CV_DebugT *debug_t = &input.debug_t_arr[obj_idx];
CV_DebugT *debug_p = &input.debug_p_arr[obj_idx]; CV_DebugT *debug_p = &debug_p_arr[obj_idx];
U32Array *arr_ptr; U32Array *arr_ptr;
if (debug_p->count > 0 && debug_t->count == 0) { arr_ptr = &input.debug_p_indices; }
if (debug_t->count && debug_p->count) {
lnk_error_obj(LNK_Warning_MultipleDebugTAndDebugP, obj_arr[obj_idx], "multiple sections with debug types detected, obj must have either .debug$T or .debug$P (using .debug$T for type server)");
}
if (debug_p->count > 0) { arr_ptr = &input.debug_p_indices; }
else if (cv_debug_t_is_type_server_ref(debug_t)) { arr_ptr = &input.ext_obj_indices; } else if (cv_debug_t_is_type_server_ref(debug_t)) { arr_ptr = &input.ext_obj_indices; }
else { arr_ptr = &input.int_obj_indices; } else { arr_ptr = &input.int_obj_indices; }
arr_ptr->v[arr_ptr->count++] = obj_idx; arr_ptr->v[arr_ptr->count++] = obj_idx;
if (debug_t->count == 0 && debug_p->count > 0) {
*debug_t = *debug_p;
} else if (debug_t->count && debug_p->count) {
lnk_error_obj(LNK_Warning_MultipleDebugTAndDebugP, obj_arr[obj_idx], "multiple sections with debug types detected, obj must have either .debug$T or .debug$P; discarding both sections");
MemoryZeroStruct(debug_t);
MemoryZeroStruct(debug_p);
}
} }
ProfScope("Set up type servers") ProfScope("Set up type servers")
@@ -398,7 +401,6 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
input.count += ts_arr.count; input.count += ts_arr.count;
input.obj_arr = push_array(tp_arena->v[0], LNK_Obj *, input.count); input.obj_arr = push_array(tp_arena->v[0], LNK_Obj *, input.count);
input.debug_s_arr = push_array(tp_arena->v[0], CV_DebugS, input.count); input.debug_s_arr = push_array(tp_arena->v[0], CV_DebugS, input.count);
input.debug_p_arr = push_array(tp_arena->v[0], CV_DebugT, input.count);
input.debug_t_arr = push_array(tp_arena->v[0], CV_DebugT, input.count); input.debug_t_arr = push_array(tp_arena->v[0], CV_DebugT, input.count);
input.debug_h_arr = push_array(tp_arena->v[0], CV_DebugH, input.count); input.debug_h_arr = push_array(tp_arena->v[0], CV_DebugH, input.count);
input.parsed_symbols = push_array(tp_arena->v[0], CV_SymbolListArray, input.count); input.parsed_symbols = push_array(tp_arena->v[0], CV_SymbolListArray, input.count);
@@ -406,7 +408,6 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
MemoryCopyTyped(input.obj_arr, prev.obj_arr, prev.count); MemoryCopyTyped(input.obj_arr, prev.obj_arr, prev.count);
MemoryCopyTyped(input.debug_s_arr, prev.debug_s_arr, prev.count); MemoryCopyTyped(input.debug_s_arr, prev.debug_s_arr, prev.count);
MemoryCopyTyped(input.debug_p_arr, prev.debug_p_arr, prev.count);
MemoryCopyTyped(input.debug_t_arr, prev.debug_t_arr, prev.count); MemoryCopyTyped(input.debug_t_arr, prev.debug_t_arr, prev.count);
MemoryCopyTyped(input.parsed_symbols, prev.parsed_symbols, prev.count); MemoryCopyTyped(input.parsed_symbols, prev.parsed_symbols, prev.count);
MemoryCopyTyped(input.obj_to_ts, prev.obj_to_ts, prev.count); MemoryCopyTyped(input.obj_to_ts, prev.obj_to_ts, prev.count);
@@ -494,21 +495,21 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
} }
// get PCH leaf data // get PCH leaf data
CV_DebugT *debug_p = &input.debug_p_arr[debug_p_obj_idx]; CV_DebugT *debug_p = &input.debug_t_arr[debug_p_obj_idx];
// error check LF_PRECOMP // error check LF_PRECOMP
if (precomp.start_index > CV_MinComplexTypeIndex) { lnk_error_obj(LNK_Warning_AtypicalStartIndex, obj, "atypical start index 0x%x in LF_PRECOMP", precomp.start_index); } if (precomp.start_index > CV_MinComplexTypeIndex) { lnk_error_obj(LNK_Warning_AtypicalStartIndex, obj, "atypical start index 0x%x in LF_PRECOMP", precomp.start_index); }
if (precomp.start_index < CV_MinComplexTypeIndex) { lnk_error_obj(LNK_Error_InvalidStartIndex, obj, "invalid start index 0x%x in LF_PRECOMP; must be >= 0x%x", precomp.start_index, CV_MinComplexTypeIndex); continue; } if (precomp.start_index < CV_MinComplexTypeIndex) { lnk_error_obj(LNK_Error_InvalidStartIndex, obj, "invalid start index 0x%x in LF_PRECOMP; must be >= 0x%x", precomp.start_index, CV_MinComplexTypeIndex); continue; }
if (precomp.leaf_count > debug_p->count) { lnk_error_obj(LNK_Error_InvalidPrecompLeafCount, obj, "leaf count %u LF_PRECOMP exceeds leaf count %u in .debug$P in %S", precomp.leaf_count, debug_p->count, obj_arr[debug_p_obj_idx]->path); continue; } if (precomp.leaf_count >= debug_p->count) { lnk_error_obj(LNK_Error_InvalidPrecompLeafCount, obj, "leaf count %u LF_PRECOMP exceeds leaf count %u in .debug$P in %S", precomp.leaf_count, debug_p->count, obj_arr[debug_p_obj_idx]->path); continue; }
// get LF_PRECOMP // get LF_PRECOMP
CV_Leaf endprecomp_leaf = cv_debug_t_get_leaf(debug_p, precomp.leaf_count-1); CV_Leaf endprecomp_leaf = cv_debug_t_get_leaf(debug_p, precomp.leaf_count);
CV_LeafEndPreComp *endprecomp = str8_deserial_get_raw_ptr(endprecomp_leaf.data, 0, sizeof(*endprecomp)); CV_LeafEndPreComp *endprecomp = str8_deserial_get_raw_ptr(endprecomp_leaf.data, 0, sizeof(*endprecomp));
// error check LF_ENDPRECOMP // error check LF_ENDPRECOMP
if (endprecomp_leaf.kind != CV_LeafKind_ENDPRECOMP) { lnk_error_obj(LNK_Error_EndprecompNotFound, obj, "missing LF_ENDPRECOMP [0x%x] in %S", precomp.leaf_count, obj_arr[debug_p_obj_idx]->path); continue; } if (endprecomp_leaf.kind != CV_LeafKind_ENDPRECOMP) { lnk_error_obj(LNK_Error_EndprecompNotFound, obj, "missing LF_ENDPRECOMP [0x%x] in %S", precomp.leaf_count, obj_arr[debug_p_obj_idx]->path); continue; }
if (endprecomp_leaf.data.size != sizeof(CV_LeafEndPreComp)) { lnk_error_obj(LNK_Error_IllData, obj, "invalid size 0x%x for LF_ENDPRECOMP", endprecomp_leaf.data.size); continue; } if (endprecomp_leaf.data.size != sizeof(CV_LeafEndPreComp)) { lnk_error_obj(LNK_Error_IllData, obj, "invalid size 0x%x for LF_ENDPRECOMP", endprecomp_leaf.data.size); continue; }
if (endprecomp->sig != precomp.sig) { lnk_error_obj(LNK_Error_PrecompSigMismatch, obj, "signature mismatch between LF_PRECOMP(0x%x) and LF_ENDPRECOMP(0x%x); precomp obj %S", precomp.sig, endprecomp->sig, obj_arr[debug_p_obj_idx]->path); continue; } if (endprecomp->sig != precomp.sig) { lnk_error_obj(LNK_Error_PrecompSigMismatch, obj, "PCH signature mismatch, expected 0x%x got 0x%x; PCH obj %S", precomp.sig, endprecomp->sig, obj_arr[debug_p_obj_idx]->path); continue; }
{ // PCH and OBJ signatures must match { // PCH and OBJ signatures must match
String8List symbols = cv_sub_section_from_debug_s(input.debug_s_arr[debug_p_obj_idx], CV_C13SubSectionKind_Symbols); String8List symbols = cv_sub_section_from_debug_s(input.debug_s_arr[debug_p_obj_idx], CV_C13SubSectionKind_Symbols);
@@ -538,13 +539,13 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, LNK_IO_Flags io_fla
// remove CV_LeafKind_ENDPRECOMP from .debug$P // remove CV_LeafKind_ENDPRECOMP from .debug$P
for EachIndex(i, input.debug_p_indices.count) { for EachIndex(i, input.debug_p_indices.count) {
U64 debug_p_idx = input.debug_p_indices.v[i]; U64 debug_p_idx = input.debug_p_indices.v[i];
CV_DebugT *debug_p = &input.debug_p_arr[debug_p_idx]; CV_DebugT *debug_p = &input.debug_t_arr[debug_p_idx];
for EachIndex(i, debug_p->count) { for EachIndex(i, debug_p->count) {
U64 lf_idx = debug_p->count - (i + 1); U64 lf_idx = debug_p->count - (i + 1);
CV_LeafHeader *lf = cv_debug_t_get_leaf_header(debug_p, lf_idx); CV_LeafHeader *lf = cv_debug_t_get_leaf_header(debug_p, lf_idx);
if (lf->kind == CV_LeafKind_ENDPRECOMP) { if (lf->kind == CV_LeafKind_ENDPRECOMP) {
memory_write16(&lf->kind, CV_LeafKind_NOTYPE); memory_write16(&lf->kind, CV_LeafKind_NOTYPE);
memory_write16(&lf->size, 0); memory_write16(&lf->size, sizeof(CV_LeafKind));
break; break;
} }
} }
@@ -582,7 +583,7 @@ lnk_leaf_ref_from_ti(LNK_CodeViewInput *input, U32 obj_idx, CV_TypeIndexSource s
if (contains_1u64(debug_t->pch_ti_range[source], ti)) { if (contains_1u64(debug_t->pch_ti_range[source], ti)) {
leaf_ref = (LNK_LeafRef){ leaf_ref = (LNK_LeafRef){
.obj_idx = debug_t->pch_obj_idx, .obj_idx = debug_t->pch_obj_idx,
.leaf_idx = cv_leaf_idx_from_ti(&input->debug_p_arr[debug_t->pch_obj_idx], source, ti) .leaf_idx = cv_leaf_idx_from_ti(&input->debug_t_arr[debug_t->pch_obj_idx], source, ti)
}; };
} else { } else {
U64 ts_idx = input->obj_to_ts[obj_idx]; U64 ts_idx = input->obj_to_ts[obj_idx];
@@ -1366,17 +1367,16 @@ lnk_merge_types(TP_Context *tp, TP_Arena *tp_temp, LNK_CodeViewInput *input)
{ {
ProfBegin("Alloc Hashes"); ProfBegin("Alloc Hashes");
U32Array indices[] = { U32Array indices[] = {
input->int_obj_indices,
input->debug_p_indices, input->debug_p_indices,
input->type_server_indices input->int_obj_indices,
// TODO: explain input->type_server_indices,
// input->ext_obj_indices,
}; };
for EachElement(i, indices) { for EachElement(i, indices) {
for EachIndex(k, indices[i].count) { for EachIndex(k, indices[i].count) {
U64 obj_idx = indices[i].v[k]; U64 obj_idx = indices[i].v[k];
CV_DebugT *debug_t = &input->debug_t_arr[obj_idx];
CV_DebugH *debug_h = &input->debug_h_arr[obj_idx]; CV_DebugH *debug_h = &input->debug_h_arr[obj_idx];
debug_h->count = input->debug_t_arr[obj_idx].count; debug_h->count = debug_t->count;
debug_h->v = push_array(scratch.arena, U64, debug_h->count); debug_h->v = push_array(scratch.arena, U64, debug_h->count);
} }
} }
@@ -1423,7 +1423,7 @@ lnk_merge_types(TP_Context *tp, TP_Arena *tp_temp, LNK_CodeViewInput *input)
for EachIndex(obj_idx, input->count) { total_count += input->debug_t_arr[obj_idx].source_counts[ti_source]; } for EachIndex(obj_idx, input->count) { total_count += input->debug_t_arr[obj_idx].source_counts[ti_source]; }
task.leaf_ht_arr[ti_source].cap = total_count; task.leaf_ht_arr[ti_source].cap = total_count;
task.leaf_ht_arr[ti_source].cap = (task.leaf_ht_arr[ti_source].cap * 13) / 10; // * 1.3 task.leaf_ht_arr[ti_source].cap = 1 + ((task.leaf_ht_arr[ti_source].cap * 13) / 10); // * 1.3
task.leaf_ht_arr[ti_source].bucket_arr = push_array(scratch.arena, LNK_LeafRef *, task.leaf_ht_arr[ti_source].cap); task.leaf_ht_arr[ti_source].bucket_arr = push_array(scratch.arena, LNK_LeafRef *, task.leaf_ht_arr[ti_source].cap);
#if PROFILE_TELEMETRY #if PROFILE_TELEMETRY
src/linker/lnk_debug_info.h
-1
View File
@@ -59,7 +59,6 @@ typedef struct
U64 count; U64 count;
LNK_Obj **obj_arr; LNK_Obj **obj_arr;
CV_DebugS *debug_s_arr; CV_DebugS *debug_s_arr;
CV_DebugT *debug_p_arr;
CV_DebugT *debug_t_arr; CV_DebugT *debug_t_arr;
CV_DebugH *debug_h_arr; CV_DebugH *debug_h_arr;
U64 *obj_to_ts; U64 *obj_to_ts;
src/torture/torture.c
+13 -6
View File
@@ -213,20 +213,27 @@ t_invoke(String8 exe_path, String8 cmdline, U64 timeout)
return t_invoke_(exe_path, cmdline, timeout, 0, 0); return t_invoke_(exe_path, cmdline, timeout, 0, 0);
} }
internal B32 internal String8
t_match_line(String8 *output, String8 expected_line) t_chop_line(String8 *output)
{ {
U64 new_line_pos = str8_find_needle(*output, 0, str8_lit("\n"), 0); U64 new_line_pos = str8_find_needle(*output, 0, str8_lit("\n"), 0);
String8 line = str8_prefix(*output, new_line_pos); String8 line = str8_prefix(*output, new_line_pos);
if (str8_ends_with(line, str8_lit("\r"), 0)) { if (str8_ends_with(line, str8_lit("\r"), 0)) {
line = str8_chop(line, 1); line = str8_chop(line, 1);
} }
B32 is_match = str8_match(line, expected_line, 0);
if (is_match) {
*output = str8_skip(*output, new_line_pos + 1); *output = str8_skip(*output, new_line_pos + 1);
} return line;
}
internal B32
t_match_line(String8 *output, String8 expected_line)
{
String8 before_chop = *output;
String8 line = t_chop_line(output);
B32 is_match = str8_match(line, expected_line, 0);
if ( ! is_match) {
*output = before_chop;
}
return is_match; return is_match;
} }
src/torture/torture_radlink.c
+329 -8
View File
@@ -3940,12 +3940,323 @@ T_BeginTest(long_section_name)
} }
T_EndTest; T_EndTest;
T_BeginTest(debug_p_sig_mismatch)
{
String8 a_obj_name = str8_lit("a.obj");
String8 b_obj_name = str8_lit("b.obj");
U32 a_sig = 0xCAFEBABE;
U32 b_sig = 0xDEADBEEF;
String8 a_debug_s;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(scratch.arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = a_sig;
String8 obj_name_string = a_obj_name;
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(scratch.arena, &srl, &obj_name);
str8_serial_push_cstr(scratch.arena, &srl, obj_name_string);
str8_serial_push_align(scratch.arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(scratch.arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(scratch.arena, &srl, comp3_data);
str8_serial_push_align(scratch.arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(scratch.arena, &srl, CV_C13SubSectionAlign);
a_debug_s = str8_serial_end(scratch.arena, &srl);
}
String8 a_debug_p;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
// signature
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
// duplicate in a.obj
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(ptr));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(scratch.arena, &srl, &ptr);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
// unique procedure type
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearPascal };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(proc));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(scratch.arena, &srl, &proc);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
// PCH ender
CV_LeafEndPreComp endprecomp = { .sig = a_sig };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(endprecomp));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_ENDPRECOMP);
str8_serial_push_struct(scratch.arena, &srl, &endprecomp);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
a_debug_p = str8_serial_end(scratch.arena, &srl);
}
String8 b_debug_s;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(scratch.arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = b_sig;
String8 obj_name_string = a_obj_name;
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(scratch.arena, &srl, &obj_name);
str8_serial_push_cstr(scratch.arena, &srl, obj_name_string);
str8_serial_push_align(scratch.arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(scratch.arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(scratch.arena, &srl, comp3_data);
str8_serial_push_align(scratch.arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(scratch.arena, &srl, CV_C13SubSectionAlign);
b_debug_s = str8_serial_end(scratch.arena, &srl);
}
String8 b_debug_t;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_LeafPreComp precomp = { .start_index = CV_MinComplexTypeIndex, .count = 2, sig = b_sig };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(precomp) + a_obj_name.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_PRECOMP);
str8_serial_push_struct(scratch.arena, &srl, &precomp);
str8_serial_push_cstr(scratch.arena, &srl, a_obj_name);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(scratch.arena, &srl, &ptr);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(scratch.arena, &srl, &proc);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
b_debug_t = str8_serial_end(scratch.arena, &srl);
}
String8 a_obj;
{
COFF_ObjWriter *cow = coff_obj_writer_alloc(0, COFF_MachineType_X64);
coff_obj_writer_push_section(cow, str8_lit(".debug$P"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, a_debug_p);
coff_obj_writer_push_section(cow, str8_lit(".debug$S"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, a_debug_s);
a_obj = coff_obj_writer_serialize(scratch.arena, cow);
coff_obj_writer_release(&cow);
}
String8 b_obj;
{
COFF_ObjWriter *cow = coff_obj_writer_alloc(0, COFF_MachineType_X64);
coff_obj_writer_push_section(cow, str8_lit(".debug$T"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, b_debug_t);
coff_obj_writer_push_section(cow, str8_lit(".debug$S"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, b_debug_s);
b_obj = coff_obj_writer_serialize(scratch.arena, cow);
coff_obj_writer_release(&cow);
}
T_Ok(t_write_file(str8_lit("a.obj"), a_obj));
T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
T_Ok(t_write_entry_obj());
String8 output = {0};
t_invoke_(t_radlink_path(), str8_lit("/subsystem:console /entry:entry /out:a.exe /debug:full a.obj b.obj entry.obj"), max_U64, scratch.arena, &output);
T_Ok(g_last_exit_code == 0);
B32 found_error = 0;
String8 a_obj_path = t_make_file_path(scratch.arena, str8_lit("a.obj"));
String8 b_obj_path = t_make_file_path(scratch.arena, str8_lit("b.obj"));
String8 expected_line = str8f(scratch.arena, "Error(%03d): %S: PCH signature mismatch, expected 0x%x got 0x%x; PCH obj %S", LNK_Error_PrecompSigMismatch, b_obj_path, b_sig, a_sig, a_obj_path);
while (output.size) {
String8 line = t_chop_line(&output);
found_error = str8_match(line, expected_line, StringMatchFlag_CaseInsensitive);
if (found_error) { break; }
}
T_Ok(found_error);
}
T_EndTest;
T_BeginTest(debug_p_and_debug_t_in_obj)
{
U32 pch_sig = 0xCAFEBABE;
String8 pch_obj_name = str8_lit("pch.obj");
String8 pch_debug_s;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(scratch.arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig;
String8 obj_name_string = pch_obj_name;
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(scratch.arena, &srl, &obj_name);
str8_serial_push_cstr(scratch.arena, &srl, obj_name_string);
str8_serial_push_align(scratch.arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(scratch.arena, &srl, CV_C13SubSectionAlign);
pch_debug_s = str8_serial_end(scratch.arena, &srl);
}
String8 pch_debug_p;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
// signature
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(ptr));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(scratch.arena, &srl, &ptr);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
// PCH ender
CV_LeafEndPreComp endprecomp = { .sig = pch_sig };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(endprecomp));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_ENDPRECOMP);
str8_serial_push_struct(scratch.arena, &srl, &endprecomp);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
pch_debug_p = str8_serial_end(scratch.arena, &srl);
}
String8 pch_debug_t;
{
String8List srl;
str8_serial_begin(scratch.arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(scratch.arena, &srl, &sig);
CV_LeafPreComp precomp = { .start_index = CV_MinComplexTypeIndex, .count = 1, sig = pch_sig };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(precomp) + pch_obj_name.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_PRECOMP);
str8_serial_push_struct(scratch.arena, &srl, &precomp);
str8_serial_push_cstr(scratch.arena, &srl, pch_obj_name);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(scratch.arena, &srl, &ptr);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(scratch.arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(scratch.arena, &srl, &proc);
str8_serial_push_align(scratch.arena, &srl, CV_LeafAlign);
pch_debug_t = str8_serial_end(scratch.arena, &srl);
}
COFF_ObjWriter *cow = coff_obj_writer_alloc(0, COFF_MachineType_X64);
coff_obj_writer_push_section(cow, str8_lit(".debug$P"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, pch_debug_p);
coff_obj_writer_push_section(cow, str8_lit(".debug$T"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, pch_debug_t);
coff_obj_writer_push_section(cow, str8_lit(".debug$S"), PE_DEBUG_SECTION_FLAGS|COFF_SectionFlag_Align1Bytes, pch_debug_s);
String8 raw_coff = coff_obj_writer_serialize(scratch.arena, cow);
coff_obj_writer_release(&cow);
T_Ok(t_write_file(str8_lit("pch.obj"), raw_coff));
T_Ok(t_write_entry_obj());
String8 output = {0};
t_invoke_(t_radlink_path(), str8_lit("/subsystem:console /entry:entry /out:a.exe /debug:full pch.obj entry.obj"), max_U64, scratch.arena, &output);
T_Ok(g_last_exit_code == 0);
B32 found_warning = 0;
String8 pch_obj_path = t_make_file_path(scratch.arena, str8_lit("pch.obj"));
String8 expected_line = str8f(scratch.arena, "Warning(%03d): %S: multiple sections with debug types detected, obj must have either .debug$T or .debug$P; discarding both sections", LNK_Warning_MultipleDebugTAndDebugP, pch_obj_path);
while (output.size) {
String8 line = t_chop_line(&output);
found_warning = str8_match(line, expected_line, StringMatchFlag_CaseInsensitive);
if (found_warning) { break; }
}
T_Ok(found_warning);
}
T_EndTest;
T_BeginTest(merge_duplicate_types) T_BeginTest(merge_duplicate_types)
{ {
{ {
U32 pch_sig = 0xCAFEBABE; U32 pch_sig = 0xCAFEBABE;
String8 pch_obj_name = str8_lit("C:\\devel\\raddebugger\\build\\torture\\merge_duplicate_types\\pch.obj"); String8 pch_obj_name = str8_lit("pch.obj");
String8 a_obj_name = str8_lit("C:\\devel\\raddebugger\\build\\torture\\merge_duplicate_types\\a.obj"); String8 a_obj_name = str8_lit("a.obj");
String8 c_obj_name = str8_lit("c.obj");
String8 pch_debug_s; String8 pch_debug_s;
{ {
@@ -4136,7 +4447,7 @@ T_BeginTest(merge_duplicate_types)
// S_OBJNAME // S_OBJNAME
CV_SymObjName obj_name = {0}; CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig; obj_name.sig = pch_sig;
String8 obj_name_string = a_obj_name; String8 obj_name_string = c_obj_name;
str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1); str8_serial_push_u16(scratch.arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_OBJNAME); str8_serial_push_u16(scratch.arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(scratch.arena, &srl, &obj_name); str8_serial_push_struct(scratch.arena, &srl, &obj_name);
@@ -4227,7 +4538,7 @@ T_BeginTest(merge_duplicate_types)
T_Ok(t_write_file(str8_lit("b.obj"), b_obj)); T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
T_Ok(t_write_file(str8_lit("c.obj"), c_obj)); T_Ok(t_write_file(str8_lit("c.obj"), c_obj));
t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe pch.obj a.obj c.obj entry.obj"); t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe pch.obj a.obj b.obj c.obj entry.obj");
T_Ok(g_last_exit_code == 0); T_Ok(g_last_exit_code == 0);
} }
@@ -4247,7 +4558,7 @@ T_BeginTest(merge_duplicate_types)
PDB_TpiParsed *tpi = pdb_tpi_from_data(scratch.arena, tpi_data); PDB_TpiParsed *tpi = pdb_tpi_from_data(scratch.arena, tpi_data);
U64 type_count = tpi->itype_opl - tpi->itype_first; U64 type_count = tpi->itype_opl - tpi->itype_first;
T_Ok(type_count == 4); T_Ok(type_count == 5);
CV_DebugT debug_t = cv_debug_t_from_data(scratch.arena, pdb_leaf_data_from_tpi(tpi), 4); CV_DebugT debug_t = cv_debug_t_from_data(scratch.arena, pdb_leaf_data_from_tpi(tpi), 4);
T_Ok(debug_t.count == type_count); T_Ok(debug_t.count == type_count);
@@ -4267,13 +4578,23 @@ T_BeginTest(merge_duplicate_types)
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE); T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure)); T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1000);
T_Ok(proc->call_kind == CV_CallKind_NearPascal);
}
{
CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 2);
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str; CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1000); T_Ok(proc->ret_itype == 0x1000);
T_Ok(proc->call_kind == CV_CallKind_NearC); T_Ok(proc->call_kind == CV_CallKind_NearC);
} }
{ {
CV_Leaf ptr_leaf = cv_debug_t_get_leaf(&debug_t, 2); CV_Leaf ptr_leaf = cv_debug_t_get_leaf(&debug_t, 3);
T_Ok(ptr_leaf.kind == CV_LeafKind_POINTER); T_Ok(ptr_leaf.kind == CV_LeafKind_POINTER);
T_Ok(ptr_leaf.data.size == sizeof(CV_LeafPointer)); T_Ok(ptr_leaf.data.size == sizeof(CV_LeafPointer));
@@ -4283,12 +4604,12 @@ T_BeginTest(merge_duplicate_types)
} }
{ {
CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 3); CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 4);
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE); T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure)); T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str; CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1002); T_Ok(proc->ret_itype == 0x1003);
T_Ok(proc->call_kind == CV_CallKind_NearC); T_Ok(proc->call_kind == CV_CallKind_NearC);
} }
} }