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-rw-r--r--skip/qt5-qtwebengine/qt-musl-dispatch_to_musl.patch103
1 files changed, 103 insertions, 0 deletions
diff --git a/skip/qt5-qtwebengine/qt-musl-dispatch_to_musl.patch b/skip/qt5-qtwebengine/qt-musl-dispatch_to_musl.patch
new file mode 100644
index 0000000..a58a688
--- /dev/null
+++ b/skip/qt5-qtwebengine/qt-musl-dispatch_to_musl.patch
@@ -0,0 +1,103 @@
+--- a/src/3rdparty/chromium/base/allocator/allocator_shim_default_dispatch_to_glibc.cc
++++ b/src/3rdparty/chromium/base/allocator/allocator_shim_default_dispatch_to_glibc.cc
+@@ -8,6 +8,7 @@
+ #include <dlfcn.h>
+ #include <malloc.h>
+
++#if defined(__GLIBC__)
+ // This translation unit defines a default dispatch for the allocator shim which
+ // routes allocations to libc functions.
+ // The code here is strongly inspired from tcmalloc's libc_override_glibc.h.
+@@ -87,3 +88,92 @@ const AllocatorDispatch AllocatorDispatc
+ nullptr, /* aligned_free_function */
+ nullptr, /* next */
+ };
++
++#else // defined(__GLIBC__)
++
++#include <dlfcn.h>
++
++extern "C" {
++// Declare function pointers to the memory functions
++typedef void* (*t_libc_malloc)(size_t size);
++typedef void* (*t_libc_calloc)(size_t n, size_t size);
++typedef void* (*t_libc_realloc)(void* address, size_t size);
++typedef void* (*t_libc_memalign)(size_t alignment, size_t size);
++typedef void (*t_libc_free)(void* ptr);
++typedef size_t (*t_libc_malloc_usable_size)(void* ptr);
++
++// Static instances of pointers to libc.so dl symbols
++static t_libc_malloc libc_malloc = NULL;
++static t_libc_calloc libc_calloc = NULL;
++static t_libc_realloc libc_realloc = NULL;
++static t_libc_memalign libc_memalign = NULL;
++static t_libc_free libc_free = NULL;
++static t_libc_malloc_usable_size libc_malloc_usable_size = NULL;
++
++// resolve the symbols in libc.so
++void musl_libc_memory_init(void)
++{
++ libc_malloc = (t_libc_malloc) dlsym(RTLD_NEXT, "malloc");
++ libc_calloc = (t_libc_calloc) dlsym(RTLD_NEXT, "calloc");
++ libc_realloc = (t_libc_realloc) dlsym(RTLD_NEXT, "realloc");
++ libc_memalign = (t_libc_memalign) dlsym(RTLD_NEXT, "memalign");
++ libc_free = (t_libc_free) dlsym(RTLD_NEXT, "free");
++ libc_malloc_usable_size = (t_libc_malloc_usable_size) dlsym(RTLD_NEXT, "malloc_usable_size");
++}
++} // extern "C"
++
++namespace {
++
++using base::allocator::AllocatorDispatch;
++
++void* MuslMalloc(const AllocatorDispatch*, size_t size, void* context) {
++ if (!libc_malloc)
++ musl_libc_memory_init();
++ return (*libc_malloc)(size);
++}
++
++void* MuslCalloc(const AllocatorDispatch*, size_t n, size_t size, void* context) {
++ if (!libc_calloc)
++ musl_libc_memory_init();
++ return (*libc_calloc)(n, size);
++}
++
++void* MuslRealloc(const AllocatorDispatch*, void* address, size_t size, void* context) {
++ if (!libc_realloc)
++ musl_libc_memory_init();
++ return (*libc_realloc)(address, size);
++}
++
++void* MuslMemalign(const AllocatorDispatch*, size_t alignment, size_t size, void* context) {
++ if (!libc_memalign)
++ musl_libc_memory_init();
++ return (*libc_memalign)(alignment, size);
++}
++
++void MuslFree(const AllocatorDispatch*, void* address, void* context) {
++ if (!libc_free)
++ musl_libc_memory_init();
++ (*libc_free)(address);
++}
++
++size_t MuslGetSizeEstimate(const AllocatorDispatch*, void* address, void* context) {
++ // TODO(siggi, primiano): malloc_usable_size may need redirection in the
++ // presence of interposing shims that divert allocations.
++ if (!libc_malloc_usable_size)
++ musl_libc_memory_init();
++ return (*libc_malloc_usable_size)(address);
++}
++
++} // namespace
++
++const AllocatorDispatch AllocatorDispatch::default_dispatch = {
++ &MuslMalloc, /* alloc_function */
++ &MuslCalloc, /* alloc_zero_initialized_function */
++ &MuslMemalign, /* alloc_aligned_function */
++ &MuslRealloc, /* realloc_function */
++ &MuslFree, /* free_function */
++ &MuslGetSizeEstimate, /* get_size_estimate_function */
++ nullptr, /* next */
++};
++
++#endif