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| 1 | +/* |
| 2 | + * Copyright (C) 2019 Intel Corporation. All rights reserved. |
| 3 | + * Copyright (C) 2023 Dylibso. All rights reserved. |
| 4 | + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 5 | + */ |
| 6 | + |
| 7 | +#ifndef _PLATFORM_INTERNAL_H |
| 8 | +#define _PLATFORM_INTERNAL_H |
| 9 | + |
| 10 | +#include <inttypes.h> |
| 11 | +#include <stdbool.h> |
| 12 | +#include <assert.h> |
| 13 | +#include <time.h> |
| 14 | +#include <string.h> |
| 15 | +#include <stdio.h> |
| 16 | +#include <stdlib.h> |
| 17 | +#include <math.h> |
| 18 | +#include <stdarg.h> |
| 19 | +#include <ctype.h> |
| 20 | +#include <pthread.h> |
| 21 | +#include <signal.h> |
| 22 | +#include <semaphore.h> |
| 23 | +#include <limits.h> |
| 24 | +#include <dirent.h> |
| 25 | +#include <fcntl.h> |
| 26 | +#include <unistd.h> |
| 27 | +#include <poll.h> |
| 28 | +#include <sched.h> |
| 29 | +#include <errno.h> |
| 30 | +#include <netinet/in.h> |
| 31 | +#include <sys/types.h> |
| 32 | +#include <sys/stat.h> |
| 33 | +#include <sys/mman.h> |
| 34 | +#include <sys/time.h> |
| 35 | +#include <sys/uio.h> |
| 36 | +#include <sys/ioctl.h> |
| 37 | +#include <sys/socket.h> |
| 38 | +#include <sys/resource.h> |
| 39 | + |
| 40 | +#ifdef __cplusplus |
| 41 | +extern "C" { |
| 42 | +#endif |
| 43 | + |
| 44 | +#ifndef BH_PLATFORM_COSMOPOLITAN |
| 45 | +#define BH_PLATFORM_COSMOPOLITAN |
| 46 | +#endif |
| 47 | + |
| 48 | +/* Stack size of applet threads's native part. */ |
| 49 | +#define BH_APPLET_PRESERVED_STACK_SIZE (32 * 1024) |
| 50 | + |
| 51 | +/* Default thread priority */ |
| 52 | +#define BH_THREAD_DEFAULT_PRIORITY 0 |
| 53 | + |
| 54 | +typedef pthread_t korp_tid; |
| 55 | +typedef pthread_mutex_t korp_mutex; |
| 56 | +typedef pthread_cond_t korp_cond; |
| 57 | +typedef pthread_t korp_thread; |
| 58 | +typedef sem_t korp_sem; |
| 59 | + |
| 60 | +#define OS_THREAD_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER |
| 61 | + |
| 62 | +#define os_thread_local_attribute __thread |
| 63 | + |
| 64 | +#define bh_socket_t int |
| 65 | + |
| 66 | +#if WASM_DISABLE_WRITE_GS_BASE == 0 |
| 67 | +#if defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64) |
| 68 | +#define os_writegsbase(base_addr) \ |
| 69 | + do { \ |
| 70 | + uint64 __gs_value = (uint64)(uintptr_t)base_addr; \ |
| 71 | + asm volatile("wrgsbase %0" ::"r"(__gs_value) : "memory"); \ |
| 72 | + } while (0) |
| 73 | +#if 0 |
| 74 | +/* _writegsbase_u64 also works, but need to add -mfsgsbase flag for gcc */ |
| 75 | +#include <immintrin.h> |
| 76 | +#define os_writegsbase(base_addr) \ |
| 77 | + _writegsbase_u64(((uint64)(uintptr_t)base_addr)) |
| 78 | +#endif |
| 79 | +#endif |
| 80 | +#endif |
| 81 | + |
| 82 | +#if WASM_DISABLE_HW_BOUND_CHECK == 0 |
| 83 | +#if defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64) \ |
| 84 | + || defined(BUILD_TARGET_AARCH64) || defined(BUILD_TARGET_RISCV64_LP64D) \ |
| 85 | + || defined(BUILD_TARGET_RISCV64_LP64) |
| 86 | + |
| 87 | +#include <setjmp.h> |
| 88 | + |
| 89 | +#define OS_ENABLE_HW_BOUND_CHECK |
| 90 | + |
| 91 | +typedef jmp_buf korp_jmpbuf; |
| 92 | + |
| 93 | +#define os_setjmp setjmp |
| 94 | +#define os_longjmp longjmp |
| 95 | +#define os_alloca alloca |
| 96 | + |
| 97 | +#define os_getpagesize getpagesize |
| 98 | + |
| 99 | +typedef void (*os_signal_handler)(void *sig_addr); |
| 100 | + |
| 101 | +int |
| 102 | +os_thread_signal_init(os_signal_handler handler); |
| 103 | + |
| 104 | +void |
| 105 | +os_thread_signal_destroy(); |
| 106 | + |
| 107 | +bool |
| 108 | +os_thread_signal_inited(); |
| 109 | + |
| 110 | +void |
| 111 | +os_signal_unmask(); |
| 112 | + |
| 113 | +void |
| 114 | +os_sigreturn(); |
| 115 | +#endif /* end of BUILD_TARGET_X86_64/AMD_64/AARCH64/RISCV64 */ |
| 116 | +#endif /* end of WASM_DISABLE_HW_BOUND_CHECK */ |
| 117 | + |
| 118 | +#ifdef __cplusplus |
| 119 | +} |
| 120 | +#endif |
| 121 | + |
| 122 | +#endif /* end of _PLATFORM_INTERNAL_H */ |
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