diff options
Diffstat (limited to 'lib/mlibc/sysdeps/linux/x86_64')
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/arch-syscall.cpp | 78 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/cp_syscall.S | 29 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/crt-src/Scrt1.S | 8 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/crt-src/crt1.S | 8 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/crt-src/crti.S | 11 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/crt-src/crtn.S | 9 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/signals.S | 14 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/syscallnos.h | 362 | ||||
| -rw-r--r-- | lib/mlibc/sysdeps/linux/x86_64/thread_entry.S | 23 |
9 files changed, 542 insertions, 0 deletions
diff --git a/lib/mlibc/sysdeps/linux/x86_64/arch-syscall.cpp b/lib/mlibc/sysdeps/linux/x86_64/arch-syscall.cpp new file mode 100644 index 0000000..d2ebbe7 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/arch-syscall.cpp @@ -0,0 +1,78 @@ +#include <sys/syscall.h> +#include <bits/syscall.h> + +using sc_word_t = __sc_word_t; + +sc_word_t __do_syscall0(long sc) { + sc_word_t ret; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall1(long sc, + sc_word_t arg1) { + sc_word_t ret; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall2(long sc, + sc_word_t arg1, sc_word_t arg2) { + sc_word_t ret; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1), "S"(arg2) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall3(long sc, + sc_word_t arg1, sc_word_t arg2, sc_word_t arg3) { + sc_word_t ret; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1), "S"(arg2), "d"(arg3) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall4(long sc, + sc_word_t arg1, sc_word_t arg2, sc_word_t arg3, + sc_word_t arg4) { + sc_word_t ret; + register sc_word_t arg4_reg asm("r10") = arg4; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1), "S"(arg2), "d"(arg3), + "r"(arg4_reg) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall5(long sc, + sc_word_t arg1, sc_word_t arg2, sc_word_t arg3, + sc_word_t arg4, sc_word_t arg5) { + sc_word_t ret; + register sc_word_t arg4_reg asm("r10") = arg4; + register sc_word_t arg5_reg asm("r8") = arg5; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1), "S"(arg2), "d"(arg3), + "r"(arg4_reg), "r"(arg5_reg) + : "rcx", "r11", "memory"); + return ret; +} + +sc_word_t __do_syscall6(long sc, + sc_word_t arg1, sc_word_t arg2, sc_word_t arg3, + sc_word_t arg4, sc_word_t arg5, sc_word_t arg6) { + sc_word_t ret; + register sc_word_t arg4_reg asm("r10") = arg4; + register sc_word_t arg5_reg asm("r8") = arg5; + register sc_word_t arg6_reg asm("r9") = arg6; + asm volatile ("syscall" : "=a"(ret) + : "a"(sc), "D"(arg1), "S"(arg2), "d"(arg3), + "r"(arg4_reg), "r"(arg5_reg), "r"(arg6_reg) + : "rcx", "r11", "memory"); + return ret; +} diff --git a/lib/mlibc/sysdeps/linux/x86_64/cp_syscall.S b/lib/mlibc/sysdeps/linux/x86_64/cp_syscall.S new file mode 100644 index 0000000..5db1f1d --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/cp_syscall.S @@ -0,0 +1,29 @@ + +.section .text +.global __mlibc_do_asm_cp_syscall +.global __mlibc_syscall_begin +.global __mlibc_syscall_end +.type __mlibc_do_asm_cp_syscall, "function" +__mlibc_do_asm_cp_syscall: + mov %rdi, %rax + mov %rsi, %rdi + mov %rdx, %rsi + mov %rcx, %rdx + mov %r8, %r10 + mov %r9, %r8 + mov 8(%rsp), %r9 + mov %fs:0x30, %r11 +__mlibc_syscall_begin: + /* tcbCancelEnableBit && tcbCancelTriggerBit */ + and $((1 << 0) | (1 << 2)), %r11 + cmp $((1 << 0) | (1 << 2)), %r11 + je cancel + syscall +__mlibc_syscall_end: + ret + +cancel: + call __mlibc_do_cancel + hlt +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/crt-src/Scrt1.S b/lib/mlibc/sysdeps/linux/x86_64/crt-src/Scrt1.S new file mode 100644 index 0000000..d0e8213 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/crt-src/Scrt1.S @@ -0,0 +1,8 @@ +.section .text +.global _start +_start: + mov %rsp, %rdi + lea main(%rip), %rsi + call __mlibc_entry +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/crt-src/crt1.S b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crt1.S new file mode 100644 index 0000000..9b77ee7 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crt1.S @@ -0,0 +1,8 @@ +.section .text +.global _start +_start: + mov %rsp, %rdi + mov $main, %rsi + call __mlibc_entry +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/crt-src/crti.S b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crti.S new file mode 100644 index 0000000..911b078 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crti.S @@ -0,0 +1,11 @@ +.section .init +.global _init +_init: + push %rax + +.section .fini +.global _fini +_fini: + push %rax +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/crt-src/crtn.S b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crtn.S new file mode 100644 index 0000000..0187e50 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/crt-src/crtn.S @@ -0,0 +1,9 @@ +.section .init + pop %rax + ret + +.section .fini + pop %rax + ret +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/signals.S b/lib/mlibc/sysdeps/linux/x86_64/signals.S new file mode 100644 index 0000000..09b4387 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/signals.S @@ -0,0 +1,14 @@ + +.section .text + +.global __mlibc_signal_restore +.type __mlibc_signal_restore, @function +__mlibc_signal_restore: +.global __mlibc_signal_restore_rt +.type __mlibc_signal_restore_rt, @function +__mlibc_signal_restore_rt: + mov $15, %rax + syscall + ud2 +.section .note.GNU-stack,"",%progbits + diff --git a/lib/mlibc/sysdeps/linux/x86_64/syscallnos.h b/lib/mlibc/sysdeps/linux/x86_64/syscallnos.h new file mode 100644 index 0000000..6c07e69 --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/syscallnos.h @@ -0,0 +1,362 @@ +#ifndef __MLIBC_SYSCALLNOS_h +#define __MLIBC_SYSCALLNOS_h +/* This file is autogenerated. Don't bother. */ +/* Generator script: sysdeps/linux/update-syscall-list.py. */ +#define __NR_read 0 +#define __NR_write 1 +#define __NR_open 2 +#define __NR_close 3 +#define __NR_stat 4 +#define __NR_fstat 5 +#define __NR_lstat 6 +#define __NR_poll 7 +#define __NR_lseek 8 +#define __NR_mmap 9 +#define __NR_mprotect 10 +#define __NR_munmap 11 +#define __NR_brk 12 +#define __NR_rt_sigaction 13 +#define __NR_rt_sigprocmask 14 +#define __NR_rt_sigreturn 15 +#define __NR_ioctl 16 +#define __NR_pread64 17 +#define __NR_pwrite64 18 +#define __NR_readv 19 +#define __NR_writev 20 +#define __NR_access 21 +#define __NR_pipe 22 +#define __NR_select 23 +#define __NR_sched_yield 24 +#define __NR_mremap 25 +#define __NR_msync 26 +#define __NR_mincore 27 +#define __NR_madvise 28 +#define __NR_shmget 29 +#define __NR_shmat 30 +#define __NR_shmctl 31 +#define __NR_dup 32 +#define __NR_dup2 33 +#define __NR_pause 34 +#define __NR_nanosleep 35 +#define __NR_getitimer 36 +#define __NR_alarm 37 +#define __NR_setitimer 38 +#define __NR_getpid 39 +#define __NR_sendfile 40 +#define __NR_socket 41 +#define __NR_connect 42 +#define __NR_accept 43 +#define __NR_sendto 44 +#define __NR_recvfrom 45 +#define __NR_sendmsg 46 +#define __NR_recvmsg 47 +#define __NR_shutdown 48 +#define __NR_bind 49 +#define __NR_listen 50 +#define __NR_getsockname 51 +#define __NR_getpeername 52 +#define __NR_socketpair 53 +#define __NR_setsockopt 54 +#define __NR_getsockopt 55 +#define __NR_clone 56 +#define __NR_fork 57 +#define __NR_vfork 58 +#define __NR_execve 59 +#define __NR_exit 60 +#define __NR_wait4 61 +#define __NR_kill 62 +#define __NR_uname 63 +#define __NR_semget 64 +#define __NR_semop 65 +#define __NR_semctl 66 +#define __NR_shmdt 67 +#define __NR_msgget 68 +#define __NR_msgsnd 69 +#define __NR_msgrcv 70 +#define __NR_msgctl 71 +#define __NR_fcntl 72 +#define __NR_flock 73 +#define __NR_fsync 74 +#define __NR_fdatasync 75 +#define __NR_truncate 76 +#define __NR_ftruncate 77 +#define __NR_getdents 78 +#define __NR_getcwd 79 +#define __NR_chdir 80 +#define __NR_fchdir 81 +#define __NR_rename 82 +#define __NR_mkdir 83 +#define __NR_rmdir 84 +#define __NR_creat 85 +#define __NR_link 86 +#define __NR_unlink 87 +#define __NR_symlink 88 +#define __NR_readlink 89 +#define __NR_chmod 90 +#define __NR_fchmod 91 +#define __NR_chown 92 +#define __NR_fchown 93 +#define __NR_lchown 94 +#define __NR_umask 95 +#define __NR_gettimeofday 96 +#define __NR_getrlimit 97 +#define __NR_getrusage 98 +#define __NR_sysinfo 99 +#define __NR_times 100 +#define __NR_ptrace 101 +#define __NR_getuid 102 +#define __NR_syslog 103 +#define __NR_getgid 104 +#define __NR_setuid 105 +#define __NR_setgid 106 +#define __NR_geteuid 107 +#define __NR_getegid 108 +#define __NR_setpgid 109 +#define __NR_getppid 110 +#define __NR_getpgrp 111 +#define __NR_setsid 112 +#define __NR_setreuid 113 +#define __NR_setregid 114 +#define __NR_getgroups 115 +#define __NR_setgroups 116 +#define __NR_setresuid 117 +#define __NR_getresuid 118 +#define __NR_setresgid 119 +#define __NR_getresgid 120 +#define __NR_getpgid 121 +#define __NR_setfsuid 122 +#define __NR_setfsgid 123 +#define __NR_getsid 124 +#define __NR_capget 125 +#define __NR_capset 126 +#define __NR_rt_sigpending 127 +#define __NR_rt_sigtimedwait 128 +#define __NR_rt_sigqueueinfo 129 +#define __NR_rt_sigsuspend 130 +#define __NR_sigaltstack 131 +#define __NR_utime 132 +#define __NR_mknod 133 +#define __NR_uselib 134 +#define __NR_personality 135 +#define __NR_ustat 136 +#define __NR_statfs 137 +#define __NR_fstatfs 138 +#define __NR_sysfs 139 +#define __NR_getpriority 140 +#define __NR_setpriority 141 +#define __NR_sched_setparam 142 +#define __NR_sched_getparam 143 +#define __NR_sched_setscheduler 144 +#define __NR_sched_getscheduler 145 +#define __NR_sched_get_priority_max 146 +#define __NR_sched_get_priority_min 147 +#define __NR_sched_rr_get_interval 148 +#define __NR_mlock 149 +#define __NR_munlock 150 +#define __NR_mlockall 151 +#define __NR_munlockall 152 +#define __NR_vhangup 153 +#define __NR_modify_ldt 154 +#define __NR_pivot_root 155 +#define __NR__sysctl 156 +#define __NR_prctl 157 +#define __NR_arch_prctl 158 +#define __NR_adjtimex 159 +#define __NR_setrlimit 160 +#define __NR_chroot 161 +#define __NR_sync 162 +#define __NR_acct 163 +#define __NR_settimeofday 164 +#define __NR_mount 165 +#define __NR_umount2 166 +#define __NR_swapon 167 +#define __NR_swapoff 168 +#define __NR_reboot 169 +#define __NR_sethostname 170 +#define __NR_setdomainname 171 +#define __NR_iopl 172 +#define __NR_ioperm 173 +#define __NR_create_module 174 +#define __NR_init_module 175 +#define __NR_delete_module 176 +#define __NR_get_kernel_syms 177 +#define __NR_query_module 178 +#define __NR_quotactl 179 +#define __NR_nfsservctl 180 +#define __NR_getpmsg 181 +#define __NR_gettid 186 +#define __NR_readahead 187 +#define __NR_setxattr 188 +#define __NR_lsetxattr 189 +#define __NR_fsetxattr 190 +#define __NR_getxattr 191 +#define __NR_lgetxattr 192 +#define __NR_fgetxattr 193 +#define __NR_listxattr 194 +#define __NR_llistxattr 195 +#define __NR_flistxattr 196 +#define __NR_removexattr 197 +#define __NR_lremovexattr 198 +#define __NR_fremovexattr 199 +#define __NR_tkill 200 +#define __NR_time 201 +#define __NR_futex 202 +#define __NR_sched_setaffinity 203 +#define __NR_sched_getaffinity 204 +#define __NR_set_thread_area 205 +#define __NR_io_setup 206 +#define __NR_io_destroy 207 +#define __NR_io_getevents 208 +#define __NR_io_submit 209 +#define __NR_io_cancel 210 +#define __NR_get_thread_area 211 +#define __NR_lookup_dcookie 212 +#define __NR_epoll_create 213 +#define __NR_epoll_ctl_old 214 +#define __NR_epoll_wait_old 215 +#define __NR_remap_file_pages 216 +#define __NR_getdents64 217 +#define __NR_set_tid_address 218 +#define __NR_restart_syscall 219 +#define __NR_semtimedop 220 +#define __NR_fadvise64 221 +#define __NR_timer_create 222 +#define __NR_timer_settime 223 +#define __NR_timer_gettime 224 +#define __NR_timer_getoverrun 225 +#define __NR_timer_delete 226 +#define __NR_clock_settime 227 +#define __NR_clock_gettime 228 +#define __NR_clock_getres 229 +#define __NR_clock_nanosleep 230 +#define __NR_exit_group 231 +#define __NR_epoll_wait 232 +#define __NR_epoll_ctl 233 +#define __NR_tgkill 234 +#define __NR_utimes 235 +#define __NR_mbind 237 +#define __NR_set_mempolicy 238 +#define __NR_get_mempolicy 239 +#define __NR_mq_open 240 +#define __NR_mq_unlink 241 +#define __NR_mq_timedsend 242 +#define __NR_mq_timedreceive 243 +#define __NR_mq_notify 244 +#define __NR_mq_getsetattr 245 +#define __NR_kexec_load 246 +#define __NR_waitid 247 +#define __NR_add_key 248 +#define __NR_request_key 249 +#define __NR_keyctl 250 +#define __NR_ioprio_set 251 +#define __NR_ioprio_get 252 +#define __NR_inotify_init 253 +#define __NR_inotify_add_watch 254 +#define __NR_inotify_rm_watch 255 +#define __NR_migrate_pages 256 +#define __NR_openat 257 +#define __NR_mkdirat 258 +#define __NR_mknodat 259 +#define __NR_fchownat 260 +#define __NR_futimesat 261 +#define __NR_newfstatat 262 +#define __NR_unlinkat 263 +#define __NR_renameat 264 +#define __NR_linkat 265 +#define __NR_symlinkat 266 +#define __NR_readlinkat 267 +#define __NR_fchmodat 268 +#define __NR_faccessat 269 +#define __NR_pselect6 270 +#define __NR_ppoll 271 +#define __NR_unshare 272 +#define __NR_set_robust_list 273 +#define __NR_get_robust_list 274 +#define __NR_splice 275 +#define __NR_tee 276 +#define __NR_sync_file_range 277 +#define __NR_vmsplice 278 +#define __NR_move_pages 279 +#define __NR_utimensat 280 +#define __NR_epoll_pwait 281 +#define __NR_signalfd 282 +#define __NR_timerfd_create 283 +#define __NR_eventfd 284 +#define __NR_fallocate 285 +#define __NR_timerfd_settime 286 +#define __NR_timerfd_gettime 287 +#define __NR_accept4 288 +#define __NR_signalfd4 289 +#define __NR_eventfd2 290 +#define __NR_epoll_create1 291 +#define __NR_dup3 292 +#define __NR_pipe2 293 +#define __NR_inotify_init1 294 +#define __NR_preadv 295 +#define __NR_pwritev 296 +#define __NR_rt_tgsigqueueinfo 297 +#define __NR_perf_event_open 298 +#define __NR_recvmmsg 299 +#define __NR_fanotify_init 300 +#define __NR_fanotify_mark 301 +#define __NR_prlimit64 302 +#define __NR_name_to_handle_at 303 +#define __NR_open_by_handle_at 304 +#define __NR_clock_adjtime 305 +#define __NR_syncfs 306 +#define __NR_sendmmsg 307 +#define __NR_setns 308 +#define __NR_getcpu 309 +#define __NR_process_vm_readv 310 +#define __NR_process_vm_writev 311 +#define __NR_kcmp 312 +#define __NR_finit_module 313 +#define __NR_sched_setattr 314 +#define __NR_sched_getattr 315 +#define __NR_renameat2 316 +#define __NR_seccomp 317 +#define __NR_getrandom 318 +#define __NR_memfd_create 319 +#define __NR_kexec_file_load 320 +#define __NR_bpf 321 +#define __NR_execveat 322 +#define __NR_userfaultfd 323 +#define __NR_membarrier 324 +#define __NR_mlock2 325 +#define __NR_copy_file_range 326 +#define __NR_preadv2 327 +#define __NR_pwritev2 328 +#define __NR_pkey_mprotect 329 +#define __NR_pkey_alloc 330 +#define __NR_pkey_free 331 +#define __NR_statx 332 +#define __NR_io_pgetevents 333 +#define __NR_rseq 334 +#define __NR_pidfd_send_signal 424 +#define __NR_io_uring_setup 425 +#define __NR_io_uring_enter 426 +#define __NR_io_uring_register 427 +#define __NR_open_tree 428 +#define __NR_move_mount 429 +#define __NR_fsopen 430 +#define __NR_fsconfig 431 +#define __NR_fsmount 432 +#define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 +#define __NR_close_range 436 +#define __NR_openat2 437 +#define __NR_pidfd_getfd 438 +#define __NR_faccessat2 439 +#define __NR_process_madvise 440 +#define __NR_epoll_pwait2 441 +#define __NR_mount_setattr 442 +#define __NR_quotactl_fd 443 +#define __NR_landlock_create_ruleset 444 +#define __NR_landlock_add_rule 445 +#define __NR_landlock_restrict_self 446 +#define __NR_memfd_secret 447 +#define __NR_process_mrelease 448 +#define __NR_futex_waitv 449 +#define __NR_set_mempolicy_home_node 450 +#endif /* __MLIBC_SYSCALLNOS_h */ diff --git a/lib/mlibc/sysdeps/linux/x86_64/thread_entry.S b/lib/mlibc/sysdeps/linux/x86_64/thread_entry.S new file mode 100644 index 0000000..954c6dd --- /dev/null +++ b/lib/mlibc/sysdeps/linux/x86_64/thread_entry.S @@ -0,0 +1,23 @@ + +.section .text +.global __mlibc_spawn_thread +.type __mlibc_spawn_thread, "function" +__mlibc_spawn_thread: + xor %eax, %eax + /* The rest of the args are already in the right registers, + * only need to fixup rcx to r10 + */ + mov %rcx, %r10 + mov $56, %al + syscall + test %eax, %eax + jnz 1f + xor %ebp, %ebp + pop %rdi + pop %rsi + call __mlibc_enter_thread + hlt +1: + ret +.section .note.GNU-stack,"",%progbits + |