This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGb89b42b31c45: [tsan] Add tsan support for loongarch64
(authored by tangyouling, committed by SixWeining).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D138489/new/
https://reviews.llvm.org/D138489
Files:
clang/lib/Driver/ToolChains/Linux.cpp
compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
compiler-rt/lib/sanitizer_common/sanitizer_linux.h
compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp
compiler-rt/lib/tsan/rtl/CMakeLists.txt
compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
compiler-rt/lib/tsan/rtl/tsan_platform.h
compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
compiler-rt/lib/tsan/rtl/tsan_rtl.h
compiler-rt/lib/tsan/rtl/tsan_rtl_loongarch64.S
compiler-rt/test/sanitizer_common/print_address.h
compiler-rt/test/tsan/map32bit.cpp
compiler-rt/test/tsan/mmap_large.cpp
Index: compiler-rt/test/tsan/mmap_large.cpp
===================================================================
--- compiler-rt/test/tsan/mmap_large.cpp
+++ compiler-rt/test/tsan/mmap_large.cpp
@@ -17,7 +17,7 @@
int main() {
#ifdef __x86_64__
const size_t kLog2Size = 39;
-#elif defined(__mips64) || defined(__aarch64__)
+#elif defined(__mips64) || defined(__aarch64__) || defined(__loongarch_lp64)
const size_t kLog2Size = 32;
#elif defined(__powerpc64__)
const size_t kLog2Size = 39;
Index: compiler-rt/test/tsan/map32bit.cpp
===================================================================
--- compiler-rt/test/tsan/map32bit.cpp
+++ compiler-rt/test/tsan/map32bit.cpp
@@ -12,6 +12,7 @@
// XFAIL: aarch64
// XFAIL: powerpc64
// XFAIL: s390x
+// XFAIL: loongarch64
// MAP_32BIT doesn't exist on OS X and NetBSD.
// UNSUPPORTED: darwin,netbsd
Index: compiler-rt/test/sanitizer_common/print_address.h
===================================================================
--- compiler-rt/test/sanitizer_common/print_address.h
+++ compiler-rt/test/sanitizer_common/print_address.h
@@ -7,8 +7,9 @@
va_start(ap, n);
while (n--) {
void *p = va_arg(ap, void *);
-#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || \
- defined(__s390x__) || (defined(__riscv) && __riscv_xlen == 64)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || \
+ defined(__s390x__) || (defined(__riscv) && __riscv_xlen == 64) || \
+ defined(__loongarch_lp64)
// On FreeBSD, the %p conversion specifier works as 0x%x and thus does not
// match to the format used in the diagnotic message.
fprintf(stderr, "0x%012lx ", (unsigned long) p);
Index: compiler-rt/lib/tsan/rtl/tsan_rtl_loongarch64.S
===================================================================
--- /dev/null
+++ compiler-rt/lib/tsan/rtl/tsan_rtl_loongarch64.S
@@ -0,0 +1,196 @@
+#include "sanitizer_common/sanitizer_asm.h"
+
+.section .text
+
+ASM_HIDDEN(__tsan_setjmp)
+.comm _ZN14__interception11real_setjmpE,8,8
+.globl ASM_SYMBOL_INTERCEPTOR(setjmp)
+ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(setjmp))
+ASM_SYMBOL_INTERCEPTOR(setjmp):
+ CFI_STARTPROC
+
+ // Save frame pointer and return address register
+ addi.d $sp, $sp, -32
+ st.d $ra, $sp, 24
+ st.d $fp, $sp, 16
+ CFI_DEF_CFA_OFFSET (32)
+ CFI_OFFSET (1, -8)
+ CFI_OFFSET (22, -16)
+
+ // Adjust the SP for previous frame
+ addi.d $fp, $sp, 32
+ CFI_DEF_CFA_REGISTER (22)
+
+ // Save env parameter
+ st.d $a0, $sp, 8
+ CFI_OFFSET (4, -24)
+
+ // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
+ addi.d $a0, $fp, 0
+
+ // call tsan interceptor
+ bl ASM_SYMBOL(__tsan_setjmp)
+
+ // Restore env parameter
+ ld.d $a0, $sp, 8
+ CFI_RESTORE (4)
+
+ // Restore frame/link register
+ ld.d $fp, $sp, 16
+ ld.d $ra, $sp, 24
+ addi.d $sp, $sp, 32
+ CFI_RESTORE (22)
+ CFI_RESTORE (1)
+ CFI_DEF_CFA (3, 0)
+
+ // tail jump to libc setjmp
+ la.local $a1, _ZN14__interception11real_setjmpE
+ ld.d $a1, $a1, 0
+ jr $a1
+
+ CFI_ENDPROC
+ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(setjmp))
+
+.comm _ZN14__interception12real__setjmpE,8,8
+.globl ASM_SYMBOL_INTERCEPTOR(_setjmp)
+ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(_setjmp))
+ASM_SYMBOL_INTERCEPTOR(_setjmp):
+ CFI_STARTPROC
+
+ // Save frame pointer and return address register
+ addi.d $sp, $sp, -32
+ st.d $ra, $sp, 24
+ st.d $fp, $sp, 16
+ CFI_DEF_CFA_OFFSET (32)
+ CFI_OFFSET (1, -8)
+ CFI_OFFSET (22, -16)
+
+ // Adjust the SP for previous frame
+ addi.d $fp, $sp, 32
+ CFI_DEF_CFA_REGISTER (22)
+
+ // Save env parameter
+ st.d $a0, $sp, 8
+ CFI_OFFSET (4, -24)
+
+ // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
+ addi.d $a0, $fp, 0
+
+ // call tsan interceptor
+ bl ASM_SYMBOL(__tsan_setjmp)
+
+ // Restore env parameter
+ ld.d $a0, $sp, 8
+ CFI_RESTORE (4)
+
+ // Restore frame/link register
+ ld.d $fp, $sp, 16
+ ld.d $ra, $sp, 24
+ addi.d $sp, $sp, 32
+ CFI_RESTORE (22)
+ CFI_RESTORE (1)
+ CFI_DEF_CFA (3, 0)
+
+ // tail jump to libc setjmp
+ la.local $a1, _ZN14__interception12real__setjmpE
+ ld.d $a1, $a1, 0
+ jr $a1
+
+ CFI_ENDPROC
+ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(_setjmp))
+
+.comm _ZN14__interception14real_sigsetjmpE,8,8
+.globl ASM_SYMBOL_INTERCEPTOR(sigsetjmp)
+ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
+ASM_SYMBOL_INTERCEPTOR(sigsetjmp):
+ CFI_STARTPROC
+
+ // Save frame pointer and return address register
+ addi.d $sp, $sp, -32
+ st.d $ra, $sp, 24
+ st.d $fp, $sp, 16
+ CFI_DEF_CFA_OFFSET (32)
+ CFI_OFFSET (1, -8)
+ CFI_OFFSET (22, -16)
+
+ // Adjust the SP for previous frame
+ addi.d $fp, $sp, 32
+ CFI_DEF_CFA_REGISTER (22)
+
+ // Save env parameter
+ st.d $a0, $sp, 8
+ CFI_OFFSET (4, -24)
+
+ // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
+ addi.d $a0, $fp, 0
+
+ // call tsan interceptor
+ bl ASM_SYMBOL(__tsan_setjmp)
+
+ // Restore env parameter
+ ld.d $a0, $sp, 8
+ CFI_RESTORE (4)
+
+ // Restore frame/link register
+ ld.d $fp, $sp, 16
+ ld.d $ra, $sp, 24
+ addi.d $sp, $sp, 32
+ CFI_RESTORE (22)
+ CFI_RESTORE (1)
+ CFI_DEF_CFA (3, 0)
+
+ // tail jump to libc setjmp
+ la.local $a1, _ZN14__interception14real_sigsetjmpE
+ ld.d $a1, $a1, 0
+ jr $a1
+
+ CFI_ENDPROC
+ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(sigsetjmp))
+
+.comm _ZN14__interception16real___sigsetjmpE,8,8
+.globl ASM_SYMBOL_INTERCEPTOR(__sigsetjmp)
+ASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
+ASM_SYMBOL_INTERCEPTOR(__sigsetjmp):
+ CFI_STARTPROC
+
+ // Save frame pointer and return address register
+ addi.d $sp, $sp, -32
+ st.d $ra, $sp, 24
+ st.d $fp, $sp, 16
+ CFI_DEF_CFA_OFFSET (32)
+ CFI_OFFSET (1, -8)
+ CFI_OFFSET (22, -16)
+
+ // Adjust the SP for previous frame
+ addi.d $fp, $sp, 32
+ CFI_DEF_CFA_REGISTER (22)
+
+ // Save env parameter
+ st.d $a0, $sp, 8
+ CFI_OFFSET (4, -24)
+
+ // Obtain SP, first argument to `void __tsan_setjmp(uptr sp)`
+ addi.d $a0, $fp, 0
+
+ // call tsan interceptor
+ bl ASM_SYMBOL(__tsan_setjmp)
+
+ // Restore env parameter
+ ld.d $a0, $sp, 8
+ CFI_RESTORE (4)
+
+ // Restore frame/link register
+ ld.d $fp, $sp, 16
+ ld.d $ra, $sp, 24
+ addi.d $sp, $sp, 32
+ CFI_RESTORE (22)
+ CFI_RESTORE (1)
+ CFI_DEF_CFA (3, 0)
+
+ // tail jump to libc setjmp
+ la.local $a1, _ZN14__interception16real___sigsetjmpE
+ ld.d $a1, $a1, 0
+ jr $a1
+
+ CFI_ENDPROC
+ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(__sigsetjmp))
Index: compiler-rt/lib/tsan/rtl/tsan_rtl.h
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -56,7 +56,8 @@
#if !SANITIZER_GO
struct MapUnmapCallback;
-#if defined(__mips64) || defined(__aarch64__) || defined(__powerpc__)
+#if defined(__mips64) || defined(__aarch64__) || defined(__loongarch__) || \
+ defined(__powerpc__)
struct AP32 {
static const uptr kSpaceBeg = 0;
Index: compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
+++ compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
@@ -230,6 +230,14 @@
Die();
}
#endif
+#elif SANITIZER_LOONGARCH64
+# if !SANITIZER_GO
+ if (vmaSize != 47) {
+ Printf("FATAL: ThreadSanitizer: unsupported VMA range\n");
+ Printf("FATAL: Found %zd - Supported 47\n", vmaSize);
+ Die();
+ }
+# endif
#elif defined(__powerpc64__)
# if !SANITIZER_GO
if (vmaSize != 44 && vmaSize != 46 && vmaSize != 47) {
@@ -375,6 +383,8 @@
# else
return mangled_sp;
# endif
+#elif defined(__loongarch__)
+ return mangled_sp;
#elif defined(__powerpc64__)
// Reverse of:
// ld r4, -28696(r13)
@@ -410,6 +420,8 @@
#elif SANITIZER_LINUX
# ifdef __aarch64__
# define LONG_JMP_SP_ENV_SLOT 13
+# elif defined(__loongarch__)
+# define LONG_JMP_SP_ENV_SLOT 1
# elif defined(__mips64)
# define LONG_JMP_SP_ENV_SLOT 1
# elif defined(__s390x__)
Index: compiler-rt/lib/tsan/rtl/tsan_platform.h
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_platform.h
+++ compiler-rt/lib/tsan/rtl/tsan_platform.h
@@ -229,6 +229,38 @@
static const uptr kVdsoBeg = 0xffff000000000ull;
};
+/* C/C++ on linux/loongarch64 (47-bit VMA)
+0000 0000 4000 - 0080 0000 0000: main binary
+0080 0000 0000 - 0100 0000 0000: -
+0100 0000 0000 - 1000 0000 0000: shadow memory
+1000 0000 0000 - 3000 0000 0000: -
+3000 0000 0000 - 3400 0000 0000: metainfo
+3400 0000 0000 - 5555 0000 0000: -
+5555 0000 0000 - 5556 0000 0000: main binary (PIE)
+5556 0000 0000 - 7ffe 0000 0000: -
+7ffe 0000 0000 - 7fff 0000 0000: heap
+7fff 0000 0000 - 7fff 8000 0000: -
+7fff 8000 0000 - 8000 0000 0000: modules and main thread stack
+*/
+struct MappingLoongArch64_47 {
+ static const uptr kMetaShadowBeg = 0x300000000000ull;
+ static const uptr kMetaShadowEnd = 0x340000000000ull;
+ static const uptr kShadowBeg = 0x010000000000ull;
+ static const uptr kShadowEnd = 0x100000000000ull;
+ static const uptr kHeapMemBeg = 0x7ffe00000000ull;
+ static const uptr kHeapMemEnd = 0x7fff00000000ull;
+ static const uptr kLoAppMemBeg = 0x000000004000ull;
+ static const uptr kLoAppMemEnd = 0x008000000000ull;
+ static const uptr kMidAppMemBeg = 0x555500000000ull;
+ static const uptr kMidAppMemEnd = 0x555600000000ull;
+ static const uptr kHiAppMemBeg = 0x7fff80000000ull;
+ static const uptr kHiAppMemEnd = 0x800000000000ull;
+ static const uptr kShadowMsk = 0x780000000000ull;
+ static const uptr kShadowXor = 0x040000000000ull;
+ static const uptr kShadowAdd = 0x000000000000ull;
+ static const uptr kVdsoBeg = 0x7fffffffc000ull;
+};
+
/*
C/C++ on linux/powerpc64 (44-bit VMA)
0000 0000 0100 - 0001 0000 0000: main binary
@@ -599,6 +631,8 @@
case 48:
return Func::template Apply<MappingAarch64_48>(arg);
}
+# elif SANITIZER_LOONGARCH64
+ return Func::template Apply<MappingLoongArch64_47>(arg);
# elif defined(__powerpc64__)
switch (vmaSize) {
case 44:
@@ -627,6 +661,7 @@
Func::template Apply<MappingAarch64_39>();
Func::template Apply<MappingAarch64_42>();
Func::template Apply<MappingAarch64_48>();
+ Func::template Apply<MappingLoongArch64_47>();
Func::template Apply<MappingPPC64_44>();
Func::template Apply<MappingPPC64_46>();
Func::template Apply<MappingPPC64_47>();
Index: compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
+++ compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
@@ -76,6 +76,8 @@
#define PTHREAD_ABI_BASE "GLIBC_2.3.2"
#elif defined(__aarch64__) || SANITIZER_PPC64V2
#define PTHREAD_ABI_BASE "GLIBC_2.17"
+#elif SANITIZER_LOONGARCH64
+#define PTHREAD_ABI_BASE "GLIBC_2.36"
#endif
extern "C" int pthread_attr_init(void *attr);
Index: compiler-rt/lib/tsan/rtl/CMakeLists.txt
===================================================================
--- compiler-rt/lib/tsan/rtl/CMakeLists.txt
+++ compiler-rt/lib/tsan/rtl/CMakeLists.txt
@@ -211,6 +211,10 @@
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../go
COMMENT "Checking TSan Go runtime..."
VERBATIM)
+ elseif(arch MATCHES "loongarch64")
+ add_asm_sources(TSAN_ASM_SOURCES
+ tsan_rtl_loongarch64.S
+ )
elseif(arch MATCHES "mips64|mips64le")
add_asm_sources(TSAN_ASM_SOURCES
tsan_rtl_mips64.S
Index: compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp
@@ -16,7 +16,7 @@
#if SANITIZER_LINUX && \
(defined(__x86_64__) || defined(__mips__) || defined(__aarch64__) || \
defined(__powerpc64__) || defined(__s390__) || defined(__i386__) || \
- defined(__arm__) || SANITIZER_RISCV64)
+ defined(__arm__) || SANITIZER_RISCV64 || SANITIZER_LOONGARCH64)
#include "sanitizer_stoptheworld.h"
@@ -31,7 +31,8 @@
#include <sys/types.h> // for pid_t
#include <sys/uio.h> // for iovec
#include <elf.h> // for NT_PRSTATUS
-#if (defined(__aarch64__) || SANITIZER_RISCV64) && !SANITIZER_ANDROID
+#if (defined(__aarch64__) || SANITIZER_RISCV64 || SANITIZER_LOONGARCH64) && \
+ !SANITIZER_ANDROID
// GLIBC 2.20+ sys/user does not include asm/ptrace.h
# include <asm/ptrace.h>
#endif
@@ -514,6 +515,12 @@
static constexpr uptr kExtraRegs[] = {0};
#define ARCH_IOVEC_FOR_GETREGSET
+#elif defined(__loongarch__)
+typedef struct user_pt_regs regs_struct;
+#define REG_SP regs[3]
+static constexpr uptr kExtraRegs[] = {0};
+#define ARCH_IOVEC_FOR_GETREGSET
+
#elif SANITIZER_RISCV64
typedef struct user_regs_struct regs_struct;
// sys/ucontext.h already defines REG_SP as 2. Undefine it first.
@@ -621,3 +628,4 @@
#endif // SANITIZER_LINUX && (defined(__x86_64__) || defined(__mips__)
// || defined(__aarch64__) || defined(__powerpc64__)
// || defined(__s390__) || defined(__i386__) || defined(__arm__)
+ // || SANITIZER_LOONGARCH64
Index: compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -205,7 +205,8 @@
g_use_dlpi_tls_data =
GetLibcVersion(&major, &minor, &patch) && major == 2 && minor >= 25;
-#if defined(__aarch64__) || defined(__x86_64__) || defined(__powerpc64__)
+#if defined(__aarch64__) || defined(__x86_64__) || defined(__powerpc64__) || \
+ defined(__loongarch__)
void *get_tls_static_info = dlsym(RTLD_NEXT, "_dl_get_tls_static_info");
size_t tls_align;
((void (*)(size_t *, size_t *))get_tls_static_info)(&g_tls_size, &tls_align);
@@ -265,6 +266,8 @@
#elif defined(__mips__)
// TODO(sagarthakur): add more values as per different glibc versions.
val = FIRST_32_SECOND_64(1152, 1776);
+#elif SANITIZER_LOONGARCH64
+ val = 1856; // from glibc 2.36
#elif SANITIZER_RISCV64
int major;
int minor;
@@ -304,7 +307,8 @@
return val;
}
-#if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64
+#if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64 || \
+ SANITIZER_LOONGARCH64
// TlsPreTcbSize includes size of struct pthread_descr and size of tcb
// head structure. It lies before the static tls blocks.
static uptr TlsPreTcbSize() {
@@ -314,6 +318,8 @@
const uptr kTcbHead = 88; // sizeof (tcbhead_t)
#elif SANITIZER_RISCV64
const uptr kTcbHead = 16; // sizeof (tcbhead_t)
+#elif SANITIZER_LOONGARCH64
+ const uptr kTcbHead = 16; // sizeof (tcbhead_t)
#endif
const uptr kTlsAlign = 16;
const uptr kTlsPreTcbSize =
@@ -500,6 +506,10 @@
*addr = reinterpret_cast<uptr>(__builtin_thread_pointer()) -
ThreadDescriptorSize();
*size = g_tls_size + ThreadDescriptorSize();
+#elif SANITIZER_GLIBC && defined(__loongarch__)
+ *addr = reinterpret_cast<uptr>(__builtin_thread_pointer()) -
+ ThreadDescriptorSize();
+ *size = g_tls_size + ThreadDescriptorSize();
#elif SANITIZER_GLIBC && defined(__powerpc64__)
// Workaround for glibc<2.25(?). 2.27 is known to not need this.
uptr tp;
Index: compiler-rt/lib/sanitizer_common/sanitizer_linux.h
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_linux.h
+++ compiler-rt/lib/sanitizer_common/sanitizer_linux.h
@@ -77,9 +77,9 @@
// internal_sigaction instead.
int internal_sigaction_norestorer(int signum, const void *act, void *oldact);
void internal_sigdelset(__sanitizer_sigset_t *set, int signum);
-#if defined(__x86_64__) || defined(__mips__) || defined(__aarch64__) || \
- defined(__powerpc64__) || defined(__s390__) || defined(__i386__) || \
- defined(__arm__) || SANITIZER_RISCV64
+# if defined(__x86_64__) || defined(__mips__) || defined(__aarch64__) || \
+ defined(__powerpc64__) || defined(__s390__) || defined(__i386__) || \
+ defined(__arm__) || SANITIZER_RISCV64 || SANITIZER_LOONGARCH64
uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
int *parent_tidptr, void *newtls, int *child_tidptr);
#endif
Index: compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
@@ -1502,6 +1502,46 @@
: "x30", "memory");
return res;
}
+#elif SANITIZER_LOONGARCH64
+uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
+ int *parent_tidptr, void *newtls, int *child_tidptr) {
+ if (!fn || !child_stack)
+ return -EINVAL;
+
+ CHECK_EQ(0, (uptr)child_stack % 16);
+
+ register int res __asm__("$a0");
+ register int __flags __asm__("$a0") = flags;
+ register void *__stack __asm__("$a1") = child_stack;
+ register int *__ptid __asm__("$a2") = parent_tidptr;
+ register void *__tls __asm__("$a3") = newtls;
+ register int *__ctid __asm__("$a4") = child_tidptr;
+ register int (*__fn)(void *) __asm__("$a5") = fn;
+ register void *__arg __asm__("$a6") = arg;
+ register int nr_clone __asm__("$a7") = __NR_clone;
+
+ __asm__ __volatile__(
+ "syscall 0\n"
+
+ // if ($a0 != 0)
+ // return $a0;
+ "bnez $a0, 1f\n"
+
+ // In the child, now. Call "fn(arg)".
+ "move $a0, $a6\n"
+ "jr $a5\n"
+
+ // Call _exit($a0).
+ "addi.d $a7, $zero, %9\n"
+ "syscall 0\n"
+ "1:\n"
+
+ : "=r"(res)
+ : "0"(__flags), "r"(__stack), "r"(__ptid), "r"(__tls), "r"(__ctid),
+ "r"(__fn), "r"(__arg), "r"(nr_clone), "i"(__NR_exit)
+ : "memory", "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8");
+ return res;
+}
#elif defined(__powerpc64__)
uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
int *parent_tidptr, void *newtls, int *child_tidptr) {
Index: compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
===================================================================
--- compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -60,7 +60,8 @@
set(ALL_PROFILE_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${PPC32} ${PPC64}
${MIPS32} ${MIPS64} ${S390X} ${SPARC} ${SPARCV9} ${HEXAGON}
${RISCV32} ${RISCV64})
-set(ALL_TSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64} ${S390X})
+set(ALL_TSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64} ${S390X}
+ ${LOONGARCH64})
set(ALL_UBSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV64}
${MIPS32} ${MIPS64} ${PPC64} ${S390X} ${SPARC} ${SPARCV9} ${HEXAGON})
set(ALL_SAFESTACK_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM64} ${MIPS32} ${MIPS64}
Index: clang/lib/Driver/ToolChains/Linux.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Linux.cpp
+++ clang/lib/Driver/ToolChains/Linux.cpp
@@ -768,7 +768,8 @@
if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsArmArch || IsPowerPC64 ||
IsRISCV64 || IsSystemZ || IsHexagon)
Res |= SanitizerKind::Leak;
- if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64 || IsSystemZ)
+ if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64 || IsSystemZ ||
+ IsLoongArch64)
Res |= SanitizerKind::Thread;
if (IsX86_64)
Res |= SanitizerKind::KernelMemory;
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