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Index: contrib/compiler-rt/lib/builtins/int_lib.h
===================================================================
--- contrib/compiler-rt/lib/builtins/int_lib.h
+++ contrib/compiler-rt/lib/builtins/int_lib.h
@@ -78,7 +78,7 @@
* mips64 with GCC 4.2.1.
*/
#if defined(__FreeBSD__) && (defined(__sparc64__) || \
- defined(__mips_n64) || defined(__mips_o64))
+ defined(__mips_n64) || defined(__mips_o64) || defined(__riscv__))
si_int __clzsi2(si_int);
si_int __ctzsi2(si_int);
#define __builtin_clz __clzsi2
Index: contrib/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
===================================================================
--- contrib/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ contrib/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -76,6 +76,9 @@
#elif defined(__powerpc64__)
const unsigned struct_kernel_stat_sz = 144;
const unsigned struct_kernel_stat64_sz = 104;
+#elif defined(__riscv__)
+ const unsigned struct_kernel_stat_sz = 128;
+ const unsigned struct_kernel_stat64_sz = 104;
#elif defined(__mips__)
#if SANITIZER_WORDSIZE == 64
const unsigned struct_kernel_stat_sz = 216;
@@ -178,7 +181,7 @@
unsigned __seq;
u64 __unused1;
u64 __unused2;
-#elif defined(__mips__) || defined(__aarch64__)
+#elif defined(__aarch64__) || defined(__mips__) || defined(__riscv__)
unsigned int mode;
unsigned short __seq;
unsigned short __pad1;
Index: contrib/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
===================================================================
--- contrib/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
+++ contrib/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
@@ -88,7 +88,7 @@
uptr GetMaxVirtualAddress() {
#if SANITIZER_WORDSIZE == 64
-# if defined(__powerpc64__) || defined(__aarch64__)
+# if defined(__aarch64__) || defined(__powerpc64__) || defined(__riscv__)
// On PowerPC64 we have two different address space layouts: 44- and 46-bit.
// We somehow need to figure out which one we are using now and choose
// one of 0x00000fffffffffffUL and 0x00003fffffffffffUL.
Index: contrib/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
===================================================================
--- contrib/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
+++ contrib/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
@@ -19,9 +19,9 @@
static const u32 kStackTraceMax = 256;
-#if SANITIZER_LINUX && (defined(__aarch64__) || defined(__powerpc__) || \
- defined(__powerpc64__) || defined(__sparc__) || \
- defined(__mips__))
+#if SANITIZER_LINUX && (defined(__aarch64__) || defined(__mips__) || \
+ defined(__powerpc__) || defined(__powerpc64__) || \
+ defined(__riscv__) || defined(__sparc__))
# define SANITIZER_CAN_FAST_UNWIND 0
#elif SANITIZER_WINDOWS
# define SANITIZER_CAN_FAST_UNWIND 0

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