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fix crash when obj does not have debug info

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This commit is contained in:
Nikita Smith
2025-09-06 09:54:23 -07:00
committed by Ryan Fleury
parent 3459070f71
commit 069d683690
1 changed files with 4 additions and 2 deletions
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src/linker/lnk.c
+4 -2
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@@ -2018,10 +2018,12 @@ lnk_link_image(TP_Context *tp, TP_Arena *arena, LNK_Config *config, LNK_Inputer
CV_Line *line_matches = 0;
if (config->map_lines_for_unresolved_symbols == LNK_SwitchState_Yes) {
if (debug_lines == 0) {
String8List raw_checksums = cv_sub_section_from_debug_s(debug_s, CV_C13SubSectionKind_FileChksms);
String8List raw_strings = cv_sub_section_from_debug_s(debug_s, CV_C13SubSectionKind_StringTable);
debug_s = lnk_debug_s_from_obj(scratch.arena, obj);
debug_lines = cv_lines_accel_from_debug_s(scratch.arena, debug_s);
debug_checksums = cv_sub_section_from_debug_s(debug_s, CV_C13SubSectionKind_FileChksms).first->string;
debug_strings = cv_sub_section_from_debug_s(debug_s, CV_C13SubSectionKind_StringTable).first->string;
debug_checksums = str8_list_first(&raw_checksums);
debug_strings = str8_list_first(&raw_strings);
}
line_matches_count = 0;
line_matches = cv_line_from_voff(debug_lines, reloc->apply_off, &line_matches_count);