diff options
Diffstat (limited to 'libsanitizer/hwasan/hwasan_interceptors.cpp')
| -rw-r--r-- | libsanitizer/hwasan/hwasan_interceptors.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libsanitizer/hwasan/hwasan_interceptors.cpp b/libsanitizer/hwasan/hwasan_interceptors.cpp index 8dc886e587e..c67927dc9f6 100644 --- a/libsanitizer/hwasan/hwasan_interceptors.cpp +++ b/libsanitizer/hwasan/hwasan_interceptors.cpp @@ -75,6 +75,8 @@ InternalLongjmp(__hw_register_buf env, int retval) { constexpr size_t kSpIndex = 13; # elif defined(__x86_64__) constexpr size_t kSpIndex = 6; +# elif SANITIZER_RISCV64 + constexpr size_t kSpIndex = 13; # endif // Clear all memory tags on the stack between here and where we're going. @@ -131,6 +133,49 @@ InternalLongjmp(__hw_register_buf env, int retval) { "cmovnz %1,%%rax;" "jmp *%%rdx;" ::"r"(env_address), "r"(retval_tmp)); +# elif SANITIZER_RISCV64 + register long int retval_tmp asm("x11") = retval; + register void *env_address asm("x10") = &env[0]; + asm volatile( + "ld ra, 0<<3(%0);" + "ld s0, 1<<3(%0);" + "ld s1, 2<<3(%0);" + "ld s2, 3<<3(%0);" + "ld s3, 4<<3(%0);" + "ld s4, 5<<3(%0);" + "ld s5, 6<<3(%0);" + "ld s6, 7<<3(%0);" + "ld s7, 8<<3(%0);" + "ld s8, 9<<3(%0);" + "ld s9, 10<<3(%0);" + "ld s10, 11<<3(%0);" + "ld s11, 12<<3(%0);" +# if __riscv_float_abi_double + "fld fs0, 14<<3(%0);" + "fld fs1, 15<<3(%0);" + "fld fs2, 16<<3(%0);" + "fld fs3, 17<<3(%0);" + "fld fs4, 18<<3(%0);" + "fld fs5, 19<<3(%0);" + "fld fs6, 20<<3(%0);" + "fld fs7, 21<<3(%0);" + "fld fs8, 22<<3(%0);" + "fld fs9, 23<<3(%0);" + "fld fs10, 24<<3(%0);" + "fld fs11, 25<<3(%0);" +# elif __riscv_float_abi_soft +# else +# error "Unsupported case" +# endif + "ld a4, 13<<3(%0);" + "mv sp, a4;" + // Return the value requested to return through arguments. + // This should be in x11 given what we requested above. + "seqz a0, %1;" + "add a0, a0, %1;" + "ret;" + : "+r"(env_address) + : "r"(retval_tmp)); # endif } |