| //===--------------------- UnwindRustSgx.h ----------------------------------===// |
| // |
| //// The LLVM Compiler Infrastructure |
| //// |
| //// This file is dual licensed under the MIT and the University of Illinois Open |
| //// Source Licenses. See LICENSE.TXT for details. |
| //// |
| //// |
| ////===----------------------------------------------------------------------===// |
| |
| #if !defined(UNWIND_RUST_SGX_H) |
| #define UNWIND_RUST_SGX_H |
| |
| #ifdef RUST_SGX |
| |
| #undef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #include <link.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <stdint.h> |
| |
| // We have to use RWLock from rust repo, it is defined in: |
| // src/libstd/sys/sgx/rwlock.rs. |
| // rwlock.rs has compile time check to ensure sizeof(RWLock) = 144. |
| typedef struct { |
| unsigned char opaque[144]; |
| } RWLock; |
| |
| // The below is obtained by printing initialized bytes |
| // for RWLock in rust repo: src/libstd/sys/sgx/rwlock.rs. |
| #define RWLOCK_INIT { { \ |
| /* 0x00 */ 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x10 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x20 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x30 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x40 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x50 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x60 */ 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x70 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| /* 0x80 */ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, \ |
| } } |
| |
| // These are the functions exposed by SGX-Rust. |
| // The rust changes are available at: |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| int __rust_rwlock_rdlock(RWLock *rwlock); |
| int __rust_rwlock_wrlock(RWLock *rwlock); |
| int __rust_rwlock_unlock(RWLock *rwlock); |
| unsigned char *__rust_c_alloc(size_t, size_t); |
| void __rust_c_dealloc(unsigned char *, size_t, size_t); |
| __attribute__((noreturn)) void __rust_abort(void); |
| unsigned char *__rust_encl_address(size_t); |
| |
| #ifndef NDEBUG |
| void __rust_print_err(uint8_t *m, int s); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #define abort __rust_abort |
| |
| #undef pthread_rwlock_t |
| #undef pthread_rwlock_rdlock |
| #undef pthread_rwlock_wrlock |
| #undef pthread_rwlock_unlock |
| #undef PTHREAD_RWLOCK_INITIALIZER |
| |
| #define pthread_rwlock_t RWLock |
| #define pthread_rwlock_rdlock __rust_rwlock_rdlock |
| #define pthread_rwlock_wrlock __rust_rwlock_wrlock |
| #define pthread_rwlock_unlock __rust_rwlock_unlock |
| #define PTHREAD_RWLOCK_INITIALIZER RWLOCK_INIT |
| |
| #define malloc libuw_malloc |
| #define free libuw_free |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void *libuw_malloc(size_t size); |
| void libuw_free(void *p); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| #endif |
