aports/testing/qt6-qtwebengine/0006-musl-hacks.patch

--- ./src/3rdparty/chromium/base/debug/stack_trace.cc.orig
+++ ./src/3rdparty/chromium/base/debug/stack_trace.cc
@@ -144,7 +144,7 @@
 
 #if BUILDFLAG(CAN_UNWIND_WITH_FRAME_POINTERS)
 uintptr_t GetStackEnd() {
-#if defined(OS_ANDROID)
+#if defined(OS_ANDROID) || (defined(OS_LINUX) && !defined(__GLIBC__))
   // Bionic reads proc/maps on every call to pthread_getattr_np() when called
   // from the main thread. So we need to cache end of stack in that case to get
   // acceptable performance.
@@ -217,7 +217,9 @@
 }
 
 void StackTrace::OutputToStream(std::ostream* os) const {
+#if defined(__GLIBC__) && !defined(_AIX)
   OutputToStreamWithPrefix(os, nullptr);
+#endif
 }
 
 std::string StackTrace::ToString() const {
@@ -225,7 +227,7 @@
 }
 std::string StackTrace::ToStringWithPrefix(const char* prefix_string) const {
   std::stringstream stream;
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
   OutputToStreamWithPrefix(&stream, prefix_string);
 #endif
   return stream.str();
--- ./src/3rdparty/chromium/base/debug/elf_reader.cc.orig
+++ ./src/3rdparty/chromium/base/debug/elf_reader.cc
@@ -148,7 +148,12 @@
         strtab_addr = static_cast<size_t>(dynamic_iter->d_un.d_ptr) +
                       reinterpret_cast<const char*>(relocation_offset);
 #else
-        strtab_addr = reinterpret_cast<const char*>(dynamic_iter->d_un.d_ptr);
+        if (dynamic_iter->d_un.d_ptr < relocation_offset) {
+          strtab_addr = static_cast<size_t>(dynamic_iter->d_un.d_ptr) +
+                        reinterpret_cast<const char*>(relocation_offset);
+        } else {
+          strtab_addr = reinterpret_cast<const char*>(dynamic_iter->d_un.d_ptr);
+        }
 #endif
       } else if (dynamic_iter->d_tag == DT_SONAME) {
         soname_strtab_offset = dynamic_iter->d_un.d_val;
--- ./src/3rdparty/chromium/mojo/public/c/system/thunks.cc.orig
+++ ./src/3rdparty/chromium/mojo/public/c/system/thunks.cc
@@ -100,7 +100,8 @@
     base::ScopedAllowBlocking allow_blocking;
     base::NativeLibraryOptions library_options;
 #if !defined(ADDRESS_SANITIZER) && !defined(THREAD_SANITIZER) && \
-    !defined(MEMORY_SANITIZER) && !defined(LEAK_SANITIZER)
+    !defined(MEMORY_SANITIZER) && !defined(LEAK_SANITIZER) && \
+    defined(RTLD_DEEPBIND)
     // Sanitizer builds cannnot support RTLD_DEEPBIND, but they also disable
     // allocator shims, so it's unnecessary there.
     library_options.prefer_own_symbols = true;
--- ./src/3rdparty/chromium/base/native_library_unittest.cc.orig
+++ ./src/3rdparty/chromium/base/native_library_unittest.cc
@@ -121,6 +121,7 @@
 #if !defined(OS_ANDROID) && !defined(THREAD_SANITIZER) && \
     !defined(MEMORY_SANITIZER)
 
+#if defined(RTLD_DEEPBIND)
 // Verifies that the |prefer_own_symbols| option satisfies its guarantee that
 // a loaded library will always prefer local symbol resolution before
 // considering global symbols.
@@ -156,6 +157,7 @@
   EXPECT_EQ(2, NativeLibraryTestIncrement());
   EXPECT_EQ(3, NativeLibraryTestIncrement());
 }
+#endif // defined(RTLD_DEEPBIND)
 
 #endif  // !defined(OS_ANDROID)
 
--- a/src/3rdparty/chromium/v8/src/codegen/external-reference-table.cc.orig
+++ b/src/3rdparty/chromium/v8/src/codegen/external-reference-table.cc
@@ -11,7 +11,9 @@

 #if defined(DEBUG) && defined(V8_OS_LINUX) && !defined(V8_OS_ANDROID)
 #define SYMBOLIZE_FUNCTION
+#if defined(__GLIBC__)
 #include <execinfo.h>
+#endif

 #include <vector>

@@ -96,7 +98,7 @@
 }

 const char* ExternalReferenceTable::ResolveSymbol(void* address) {
-#ifdef SYMBOLIZE_FUNCTION
+#if defined(SYMBOLIZE_FUNCTION) && defined(__GLIBC__)
   char** names = backtrace_symbols(&address, 1);
   const char* name = names[0];
   // The array of names is malloc'ed. However, each name string is static
--- a/src/3rdparty/chromium/base/debug/stack_trace_posix.cc.orig
+++ b/src/3rdparty/chromium/base/debug/stack_trace_posix.cc
@@ -27,7 +27,7 @@
 #if !defined(USE_SYMBOLIZE)
 #include <cxxabi.h>
 #endif
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
 #include <execinfo.h>
 #endif
 
@@ -88,7 +88,7 @@
   // Note: code in this function is NOT async-signal safe (std::string uses
   // malloc internally).
 
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
   std::string::size_type search_from = 0;
   while (search_from < text->size()) {
     // Look for the start of a mangled symbol, from search_from.
@@ -135,7 +135,7 @@
   virtual ~BacktraceOutputHandler() = default;
 };
 
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
 void OutputPointer(void* pointer, BacktraceOutputHandler* handler) {
   // This should be more than enough to store a 64-bit number in hex:
   // 16 hex digits + 1 for null-terminator.
@@ -827,7 +827,7 @@
   // NOTE: This code MUST be async-signal safe (it's used by in-process
   // stack dumping signal handler). NO malloc or stdio is allowed here.
 
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
   // Though the backtrace API man page does not list any possible negative
   // return values, we take no chance.
   return base::saturated_cast<size_t>(backtrace(trace, count));
@@ -840,13 +840,13 @@
 // NOTE: This code MUST be async-signal safe (it's used by in-process
 // stack dumping signal handler). NO malloc or stdio is allowed here.
 
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
   PrintBacktraceOutputHandler handler;
   ProcessBacktrace(trace_, count_, prefix_string, &handler);
 #endif
 }
 
-#if !defined(__UCLIBC__) && !defined(_AIX)
+#if defined(__GLIBC__) && !defined(_AIX)
 void StackTrace::OutputToStreamWithPrefix(std::ostream* os,
                                           const char* prefix_string) const {
   StreamBacktraceOutputHandler handler(os);