diff options
| -rw-r--r-- | system/gcc/APKBUILD | 2 | ||||
| -rw-r--r-- | system/gcc/risc-san.patch | 59 |
2 files changed, 61 insertions, 0 deletions
diff --git a/system/gcc/APKBUILD b/system/gcc/APKBUILD index afcde96ea..ecdfeb48a 100644 --- a/system/gcc/APKBUILD +++ b/system/gcc/APKBUILD @@ -186,6 +186,7 @@ source="https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz gcc-5.4.0-locale.patch sanitation.patch + risc-san.patch match-split.patch insn-split.patch @@ -608,5 +609,6 @@ fa59b0fb081d97f8f63506b8793699588a95c602b5d468140eb1e80456597e52e1cc45dc0b234ac8 1860593584f629d24d5b6db14b0a3412e9f93449b663aaa4981301a0923db0159314905e694f27366fbfef72dce06636ab6df86862b7e9e9564847e03bee82c1 add-classic_table-support.patch a09b3181002798d1b17b8374eba6bec18e67d4d4f30677311c330b599e231e97cf02c1b9b79c0829952f5027016e01146743b665b19558ed2693c60a567823fb gcc-5.4.0-locale.patch 7fa3f66a9147e13091da7fdf15197aca85e0500756392e1c75eb2e2f77dce6d148277aea2a8cb463770f7b46424a94cb5f60514529a565b4ebb23236dcc7c366 sanitation.patch +f167da2df3c386dd2f4d39e1fef0964d0fbf7ba35b9432675ada61a7fe3213d4825b579ebb577f46b28c5556b2ada78ed6b7b8b6471b9d9a0684514a73650595 risc-san.patch ff6159633f04d26eadc79895dc24ccb46671a04fdc728cbbac86964a14ce17e2e51cd7668947dfe06b9168bb9b8575a80955012e5f51295ea02f4f3169e07541 match-split.patch ee626cbe4bdda5b868980c86ca066d33167d06517db676e43d0719c4ad7d11e99b3a0151927f15c93ab89f6c76dd12bd48d402d25771fa3fd175273248824eda insn-split.patch" diff --git a/system/gcc/risc-san.patch b/system/gcc/risc-san.patch new file mode 100644 index 000000000..db4b14697 --- /dev/null +++ b/system/gcc/risc-san.patch @@ -0,0 +1,59 @@ +Ensure TSan works on PowerPC and RISC-V. + +Ported to GCC from compiler-rt. Original patch at: https://github.com/chimera-linux/cports/blob/0f5c5be86e/main/llvm/patches/0008-compiler-rt-lsan-basic-musl-fixes-on-various-archs.patch + +--- gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp.old 2024-05-21 02:47:42.000000000 -0500 ++++ gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp 2024-08-05 07:52:22.981401062 -0500 +@@ -29,6 +29,14 @@ + #include "sanitizer_procmaps.h" + #include "sanitizer_solaris.h" + ++#if defined(__powerpc__) ++#define DTP_OFFSET 0x8000 ++#elif SANITIZER_RISCV64 ++#define DTP_OFFSET 0x800 ++#else ++#define DTP_OFFSET 0 ++#endif ++ + #if SANITIZER_NETBSD + #define _RTLD_SOURCE // for __lwp_gettcb_fast() / __lwp_getprivate_fast() + #endif +@@ -289,6 +297,7 @@ + return val; + } + ++#if SANITIZER_GLIBC + uptr ThreadDescriptorSize() { + uptr val = atomic_load_relaxed(&thread_descriptor_size); + if (val) +@@ -303,6 +312,9 @@ + atomic_store_relaxed(&thread_descriptor_size, val); + return val; + } ++#else ++uptr ThreadDescriptorSize() { return 0; } ++#endif + + #if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64 + // TlsPreTcbSize includes size of struct pthread_descr and size of tcb +@@ -392,6 +404,7 @@ + begin = (uptr)__tls_get_addr(mod_and_off); + #endif + } ++ begin -= DTP_OFFSET; + for (unsigned i = 0; i != info->dlpi_phnum; ++i) + if (info->dlpi_phdr[i].p_type == PT_TLS) { + static_cast<InternalMmapVector<TlsBlock> *>(data)->push_back( +@@ -542,9 +555,11 @@ + else if (SANITIZER_FREEBSD) + *size += 128; // RTLD_STATIC_TLS_EXTRA + #if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64 ++# if SANITIZER_GLIBC + const uptr pre_tcb_size = TlsPreTcbSize(); + *addr -= pre_tcb_size; + *size += pre_tcb_size; ++# endif + #else + // arm and aarch64 reserve two words at TP, so this underestimates the range. + // However, this is sufficient for the purpose of finding the pointers to |