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- From bf15d3589b0bc2bcbe9bf1c49bc993ca77e20951 Mon Sep 17 00:00:00 2001
- From: Stefan O'Rear <sorear@fastmail.com>
- Date: Thu, 3 Sep 2020 05:40:29 -0400
- Subject: [PATCH 10/16] riscv32: add arch headers
- These are mostly copied from riscv64. _Addr and _Reg had to become int
- to avoid errors in libstdc++ when size_t and std::size_t mismatch.
- There is no kernel stat struct; the userspace stat matches glibc in the
- sizes and offsets of all fields (including glibc's __dev_t __pad1). The
- jump buffer is 12 words larger to account for 12 saved double-precision
- floats; additionally it should be 64-bit aligned to save doubles.
- The syscall list was significantly revised by deleting all time32 and
- pre-statx syscalls, and renaming several syscalls that have different
- names depending on __BITS_PER_LONG, notably mmap2 and _llseek.
- futex was added as an alias to futex_time64 since it is widely used by
- software which does not pass time arguments.
- ---
- arch/riscv32/atomic_arch.h | 21 +++
- arch/riscv32/bits/alltypes.h.in | 18 ++
- arch/riscv32/bits/fcntl.h | 38 +++++
- arch/riscv32/bits/fenv.h | 17 ++
- arch/riscv32/bits/float.h | 16 ++
- arch/riscv32/bits/posix.h | 2 +
- arch/riscv32/bits/setjmp.h | 1 +
- arch/riscv32/bits/signal.h | 118 +++++++++++++
- arch/riscv32/bits/stat.h | 18 ++
- arch/riscv32/bits/stdint.h | 20 +++
- arch/riscv32/bits/syscall.h.in | 286 ++++++++++++++++++++++++++++++++
- arch/riscv32/bits/user.h | 5 +
- arch/riscv32/crt_arch.h | 19 +++
- arch/riscv32/kstat.h | 0
- arch/riscv32/pthread_arch.h | 13 ++
- arch/riscv32/reloc.h | 22 +++
- arch/riscv32/syscall_arch.h | 78 +++++++++
- 17 files changed, 692 insertions(+)
- create mode 100644 arch/riscv32/atomic_arch.h
- create mode 100644 arch/riscv32/bits/alltypes.h.in
- create mode 100644 arch/riscv32/bits/fcntl.h
- create mode 100644 arch/riscv32/bits/fenv.h
- create mode 100644 arch/riscv32/bits/float.h
- create mode 100644 arch/riscv32/bits/posix.h
- create mode 100644 arch/riscv32/bits/setjmp.h
- create mode 100644 arch/riscv32/bits/signal.h
- create mode 100644 arch/riscv32/bits/stat.h
- create mode 100644 arch/riscv32/bits/stdint.h
- create mode 100644 arch/riscv32/bits/syscall.h.in
- create mode 100644 arch/riscv32/bits/user.h
- create mode 100644 arch/riscv32/crt_arch.h
- create mode 100644 arch/riscv32/kstat.h
- create mode 100644 arch/riscv32/pthread_arch.h
- create mode 100644 arch/riscv32/reloc.h
- create mode 100644 arch/riscv32/syscall_arch.h
- diff --git a/arch/riscv32/atomic_arch.h b/arch/riscv32/atomic_arch.h
- new file mode 100644
- index 00000000..4d418f63
- --- /dev/null
- +++ b/arch/riscv32/atomic_arch.h
- @@ -0,0 +1,21 @@
- +#define a_barrier a_barrier
- +static inline void a_barrier()
- +{
- + __asm__ __volatile__ ("fence rw,rw" : : : "memory");
- +}
- +
- +#define a_cas a_cas
- +static inline int a_cas(volatile int *p, int t, int s)
- +{
- + int old, tmp;
- + __asm__ __volatile__ (
- + "\n1: lr.w.aqrl %0, (%2)\n"
- + " bne %0, %3, 1f\n"
- + " sc.w.aqrl %1, %4, (%2)\n"
- + " bnez %1, 1b\n"
- + "1:"
- + : "=&r"(old), "=&r"(tmp)
- + : "r"(p), "r"((long)t), "r"((long)s)
- + : "memory");
- + return old;
- +}
- diff --git a/arch/riscv32/bits/alltypes.h.in b/arch/riscv32/bits/alltypes.h.in
- new file mode 100644
- index 00000000..e2b6129e
- --- /dev/null
- +++ b/arch/riscv32/bits/alltypes.h.in
- @@ -0,0 +1,18 @@
- +#define _Addr int
- +#define _Int64 long long
- +#define _Reg int
- +
- +#define __BYTE_ORDER 1234
- +#define __LONG_MAX 0x7fffffffL
- +
- +#ifndef __cplusplus
- +TYPEDEF int wchar_t;
- +#endif
- +
- +TYPEDEF int blksize_t;
- +TYPEDEF unsigned int nlink_t;
- +
- +TYPEDEF float float_t;
- +TYPEDEF double double_t;
- +
- +TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
- diff --git a/arch/riscv32/bits/fcntl.h b/arch/riscv32/bits/fcntl.h
- new file mode 100644
- index 00000000..ecb4d18f
- --- /dev/null
- +++ b/arch/riscv32/bits/fcntl.h
- @@ -0,0 +1,38 @@
- +#define O_CREAT 0100
- +#define O_EXCL 0200
- +#define O_NOCTTY 0400
- +#define O_TRUNC 01000
- +#define O_APPEND 02000
- +#define O_NONBLOCK 04000
- +#define O_DSYNC 010000
- +#define O_SYNC 04010000
- +#define O_RSYNC 04010000
- +#define O_DIRECTORY 0200000
- +#define O_NOFOLLOW 0400000
- +#define O_CLOEXEC 02000000
- +
- +#define O_ASYNC 020000
- +#define O_DIRECT 040000
- +#define O_LARGEFILE 0100000
- +#define O_NOATIME 01000000
- +#define O_PATH 010000000
- +#define O_TMPFILE 020200000
- +#define O_NDELAY O_NONBLOCK
- +
- +#define F_DUPFD 0
- +#define F_GETFD 1
- +#define F_SETFD 2
- +#define F_GETFL 3
- +#define F_SETFL 4
- +#define F_GETLK 5
- +#define F_SETLK 6
- +#define F_SETLKW 7
- +#define F_SETOWN 8
- +#define F_GETOWN 9
- +#define F_SETSIG 10
- +#define F_GETSIG 11
- +
- +#define F_SETOWN_EX 15
- +#define F_GETOWN_EX 16
- +
- +#define F_GETOWNER_UIDS 17
- diff --git a/arch/riscv32/bits/fenv.h b/arch/riscv32/bits/fenv.h
- new file mode 100644
- index 00000000..806ec40f
- --- /dev/null
- +++ b/arch/riscv32/bits/fenv.h
- @@ -0,0 +1,17 @@
- +#define FE_INVALID 16
- +#define FE_DIVBYZERO 8
- +#define FE_OVERFLOW 4
- +#define FE_UNDERFLOW 2
- +#define FE_INEXACT 1
- +
- +#define FE_ALL_EXCEPT 31
- +
- +#define FE_TONEAREST 0
- +#define FE_DOWNWARD 2
- +#define FE_UPWARD 3
- +#define FE_TOWARDZERO 1
- +
- +typedef unsigned int fexcept_t;
- +typedef unsigned int fenv_t;
- +
- +#define FE_DFL_ENV ((const fenv_t *) -1)
- diff --git a/arch/riscv32/bits/float.h b/arch/riscv32/bits/float.h
- new file mode 100644
- index 00000000..719c7908
- --- /dev/null
- +++ b/arch/riscv32/bits/float.h
- @@ -0,0 +1,16 @@
- +#define FLT_EVAL_METHOD 0
- +
- +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L
- +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
- +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
- +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
- +
- +#define LDBL_MANT_DIG 113
- +#define LDBL_MIN_EXP (-16381)
- +#define LDBL_MAX_EXP 16384
- +
- +#define LDBL_DIG 33
- +#define LDBL_MIN_10_EXP (-4931)
- +#define LDBL_MAX_10_EXP 4932
- +
- +#define DECIMAL_DIG 36
- diff --git a/arch/riscv32/bits/posix.h b/arch/riscv32/bits/posix.h
- new file mode 100644
- index 00000000..8897d37d
- --- /dev/null
- +++ b/arch/riscv32/bits/posix.h
- @@ -0,0 +1,2 @@
- +#define _POSIX_V6_ILP32_OFFBIG 1
- +#define _POSIX_V7_ILP32_OFFBIG 1
- diff --git a/arch/riscv32/bits/setjmp.h b/arch/riscv32/bits/setjmp.h
- new file mode 100644
- index 00000000..51e96276
- --- /dev/null
- +++ b/arch/riscv32/bits/setjmp.h
- @@ -0,0 +1 @@
- +typedef unsigned long long __jmp_buf[19];
- diff --git a/arch/riscv32/bits/signal.h b/arch/riscv32/bits/signal.h
- new file mode 100644
- index 00000000..b006334f
- --- /dev/null
- +++ b/arch/riscv32/bits/signal.h
- @@ -0,0 +1,118 @@
- +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
- +
- +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
- +# define MINSIGSTKSZ 2048
- +# define SIGSTKSZ 8192
- +#endif
- +
- +typedef unsigned long __riscv_mc_gp_state[32];
- +
- +struct __riscv_mc_f_ext_state {
- + unsigned int __f[32];
- + unsigned int __fcsr;
- +};
- +
- +struct __riscv_mc_d_ext_state {
- + unsigned long long __f[32];
- + unsigned int __fcsr;
- +};
- +
- +struct __riscv_mc_q_ext_state {
- + unsigned long long __f[64] __attribute__((aligned(16)));
- + unsigned int __fcsr;
- + unsigned int __reserved[3];
- +};
- +
- +union __riscv_mc_fp_state {
- + struct __riscv_mc_f_ext_state __f;
- + struct __riscv_mc_d_ext_state __d;
- + struct __riscv_mc_q_ext_state __q;
- +};
- +
- +typedef struct mcontext_t {
- + __riscv_mc_gp_state __gregs;
- + union __riscv_mc_fp_state __fpregs;
- +} mcontext_t;
- +
- +#if defined(_GNU_SOURCE)
- +#define REG_PC 0
- +#define REG_RA 1
- +#define REG_SP 2
- +#define REG_TP 4
- +#define REG_S0 8
- +#define REG_A0 10
- +#endif
- +
- +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
- +typedef unsigned long greg_t;
- +typedef unsigned long gregset_t[32];
- +typedef union __riscv_mc_fp_state fpregset_t;
- +struct sigcontext {
- + gregset_t gregs;
- + fpregset_t fpregs;
- +};
- +#endif
- +
- +struct sigaltstack {
- + void *ss_sp;
- + int ss_flags;
- + size_t ss_size;
- +};
- +
- +typedef struct ucontext_t
- +{
- + unsigned long uc_flags;
- + struct ucontext_t *uc_link;
- + stack_t uc_stack;
- + sigset_t uc_sigmask;
- + mcontext_t uc_mcontext;
- +} ucontext_t;
- +
- +#define SA_NOCLDSTOP 1
- +#define SA_NOCLDWAIT 2
- +#define SA_SIGINFO 4
- +#define SA_ONSTACK 0x08000000
- +#define SA_RESTART 0x10000000
- +#define SA_NODEFER 0x40000000
- +#define SA_RESETHAND 0x80000000
- +#define SA_RESTORER 0x04000000
- +
- +#endif
- +
- +#define SIGHUP 1
- +#define SIGINT 2
- +#define SIGQUIT 3
- +#define SIGILL 4
- +#define SIGTRAP 5
- +#define SIGABRT 6
- +#define SIGIOT SIGABRT
- +#define SIGBUS 7
- +#define SIGFPE 8
- +#define SIGKILL 9
- +#define SIGUSR1 10
- +#define SIGSEGV 11
- +#define SIGUSR2 12
- +#define SIGPIPE 13
- +#define SIGALRM 14
- +#define SIGTERM 15
- +#define SIGSTKFLT 16
- +#define SIGCHLD 17
- +#define SIGCONT 18
- +#define SIGSTOP 19
- +#define SIGTSTP 20
- +#define SIGTTIN 21
- +#define SIGTTOU 22
- +#define SIGURG 23
- +#define SIGXCPU 24
- +#define SIGXFSZ 25
- +#define SIGVTALRM 26
- +#define SIGPROF 27
- +#define SIGWINCH 28
- +#define SIGIO 29
- +#define SIGPOLL SIGIO
- +#define SIGPWR 30
- +#define SIGSYS 31
- +#define SIGUNUSED SIGSYS
- +
- +#define _NSIG 65
- diff --git a/arch/riscv32/bits/stat.h b/arch/riscv32/bits/stat.h
- new file mode 100644
- index 00000000..f6d9e864
- --- /dev/null
- +++ b/arch/riscv32/bits/stat.h
- @@ -0,0 +1,18 @@
- +struct stat {
- + dev_t st_dev;
- + ino_t st_ino;
- + mode_t st_mode;
- + nlink_t st_nlink;
- + uid_t st_uid;
- + gid_t st_gid;
- + dev_t st_rdev;
- + unsigned long long __pad;
- + off_t st_size;
- + blksize_t st_blksize;
- + int __pad2;
- + blkcnt_t st_blocks;
- + struct timespec st_atim;
- + struct timespec st_mtim;
- + struct timespec st_ctim;
- + unsigned __unused[2];
- +};
- diff --git a/arch/riscv32/bits/stdint.h b/arch/riscv32/bits/stdint.h
- new file mode 100644
- index 00000000..d1b27121
- --- /dev/null
- +++ b/arch/riscv32/bits/stdint.h
- @@ -0,0 +1,20 @@
- +typedef int32_t int_fast16_t;
- +typedef int32_t int_fast32_t;
- +typedef uint32_t uint_fast16_t;
- +typedef uint32_t uint_fast32_t;
- +
- +#define INT_FAST16_MIN INT32_MIN
- +#define INT_FAST32_MIN INT32_MIN
- +
- +#define INT_FAST16_MAX INT32_MAX
- +#define INT_FAST32_MAX INT32_MAX
- +
- +#define UINT_FAST16_MAX UINT32_MAX
- +#define UINT_FAST32_MAX UINT32_MAX
- +
- +#define INTPTR_MIN INT32_MIN
- +#define INTPTR_MAX INT32_MAX
- +#define UINTPTR_MAX UINT32_MAX
- +#define PTRDIFF_MIN INT32_MIN
- +#define PTRDIFF_MAX INT32_MAX
- +#define SIZE_MAX UINT32_MAX
- diff --git a/arch/riscv32/bits/syscall.h.in b/arch/riscv32/bits/syscall.h.in
- new file mode 100644
- index 00000000..852d2aaa
- --- /dev/null
- +++ b/arch/riscv32/bits/syscall.h.in
- @@ -0,0 +1,286 @@
- +#define __NR_io_setup 0
- +#define __NR_io_destroy 1
- +#define __NR_io_submit 2
- +#define __NR_io_cancel 3
- +#define __NR_setxattr 5
- +#define __NR_lsetxattr 6
- +#define __NR_fsetxattr 7
- +#define __NR_getxattr 8
- +#define __NR_lgetxattr 9
- +#define __NR_fgetxattr 10
- +#define __NR_listxattr 11
- +#define __NR_llistxattr 12
- +#define __NR_flistxattr 13
- +#define __NR_removexattr 14
- +#define __NR_lremovexattr 15
- +#define __NR_fremovexattr 16
- +#define __NR_getcwd 17
- +#define __NR_lookup_dcookie 18
- +#define __NR_eventfd2 19
- +#define __NR_epoll_create1 20
- +#define __NR_epoll_ctl 21
- +#define __NR_epoll_pwait 22
- +#define __NR_dup 23
- +#define __NR_dup3 24
- +#define __NR_fcntl64 25
- +#define __NR_inotify_init1 26
- +#define __NR_inotify_add_watch 27
- +#define __NR_inotify_rm_watch 28
- +#define __NR_ioctl 29
- +#define __NR_ioprio_set 30
- +#define __NR_ioprio_get 31
- +#define __NR_flock 32
- +#define __NR_mknodat 33
- +#define __NR_mkdirat 34
- +#define __NR_unlinkat 35
- +#define __NR_symlinkat 36
- +#define __NR_linkat 37
- +#define __NR_umount2 39
- +#define __NR_mount 40
- +#define __NR_pivot_root 41
- +#define __NR_nfsservctl 42
- +#define __NR_statfs64 43
- +#define __NR_fstatfs64 44
- +#define __NR_truncate64 45
- +#define __NR_ftruncate64 46
- +#define __NR_fallocate 47
- +#define __NR_faccessat 48
- +#define __NR_chdir 49
- +#define __NR_fchdir 50
- +#define __NR_chroot 51
- +#define __NR_fchmod 52
- +#define __NR_fchmodat 53
- +#define __NR_fchownat 54
- +#define __NR_fchown 55
- +#define __NR_openat 56
- +#define __NR_close 57
- +#define __NR_vhangup 58
- +#define __NR_pipe2 59
- +#define __NR_quotactl 60
- +#define __NR_getdents64 61
- +#define __NR__llseek 62
- +#define __NR_read 63
- +#define __NR_write 64
- +#define __NR_readv 65
- +#define __NR_writev 66
- +#define __NR_pread64 67
- +#define __NR_pwrite64 68
- +#define __NR_preadv 69
- +#define __NR_pwritev 70
- +#define __NR_sendfile64 71
- +#define __NR_signalfd4 74
- +#define __NR_vmsplice 75
- +#define __NR_splice 76
- +#define __NR_tee 77
- +#define __NR_readlinkat 78
- +#define __NR_sync 81
- +#define __NR_fsync 82
- +#define __NR_fdatasync 83
- +#define __NR_sync_file_range 84
- +#define __NR_timerfd_create 85
- +#define __NR_acct 89
- +#define __NR_capget 90
- +#define __NR_capset 91
- +#define __NR_personality 92
- +#define __NR_exit 93
- +#define __NR_exit_group 94
- +#define __NR_waitid 95
- +#define __NR_set_tid_address 96
- +#define __NR_unshare 97
- +#define __NR_set_robust_list 99
- +#define __NR_get_robust_list 100
- +#define __NR_nanosleep 101
- +#define __NR_getitimer 102
- +#define __NR_setitimer 103
- +#define __NR_kexec_load 104
- +#define __NR_init_module 105
- +#define __NR_delete_module 106
- +#define __NR_timer_create 107
- +#define __NR_timer_getoverrun 109
- +#define __NR_timer_delete 111
- +#define __NR_syslog 116
- +#define __NR_ptrace 117
- +#define __NR_sched_setparam 118
- +#define __NR_sched_setscheduler 119
- +#define __NR_sched_getscheduler 120
- +#define __NR_sched_getparam 121
- +#define __NR_sched_setaffinity 122
- +#define __NR_sched_getaffinity 123
- +#define __NR_sched_yield 124
- +#define __NR_sched_get_priority_max 125
- +#define __NR_sched_get_priority_min 126
- +#define __NR_restart_syscall 128
- +#define __NR_kill 129
- +#define __NR_tkill 130
- +#define __NR_tgkill 131
- +#define __NR_sigaltstack 132
- +#define __NR_rt_sigsuspend 133
- +#define __NR_rt_sigaction 134
- +#define __NR_rt_sigprocmask 135
- +#define __NR_rt_sigpending 136
- +#define __NR_rt_sigqueueinfo 138
- +#define __NR_rt_sigreturn 139
- +#define __NR_setpriority 140
- +#define __NR_getpriority 141
- +#define __NR_reboot 142
- +#define __NR_setregid 143
- +#define __NR_setgid 144
- +#define __NR_setreuid 145
- +#define __NR_setuid 146
- +#define __NR_setresuid 147
- +#define __NR_getresuid 148
- +#define __NR_setresgid 149
- +#define __NR_getresgid 150
- +#define __NR_setfsuid 151
- +#define __NR_setfsgid 152
- +#define __NR_times 153
- +#define __NR_setpgid 154
- +#define __NR_getpgid 155
- +#define __NR_getsid 156
- +#define __NR_setsid 157
- +#define __NR_getgroups 158
- +#define __NR_setgroups 159
- +#define __NR_uname 160
- +#define __NR_sethostname 161
- +#define __NR_setdomainname 162
- +#define __NR_getrusage 165
- +#define __NR_umask 166
- +#define __NR_prctl 167
- +#define __NR_getcpu 168
- +#define __NR_getpid 172
- +#define __NR_getppid 173
- +#define __NR_getuid 174
- +#define __NR_geteuid 175
- +#define __NR_getgid 176
- +#define __NR_getegid 177
- +#define __NR_gettid 178
- +#define __NR_sysinfo 179
- +#define __NR_mq_open 180
- +#define __NR_mq_unlink 181
- +#define __NR_mq_notify 184
- +#define __NR_mq_getsetattr 185
- +#define __NR_msgget 186
- +#define __NR_msgctl 187
- +#define __NR_msgrcv 188
- +#define __NR_msgsnd 189
- +#define __NR_semget 190
- +#define __NR_semctl 191
- +#define __NR_semop 193
- +#define __NR_shmget 194
- +#define __NR_shmctl 195
- +#define __NR_shmat 196
- +#define __NR_shmdt 197
- +#define __NR_socket 198
- +#define __NR_socketpair 199
- +#define __NR_bind 200
- +#define __NR_listen 201
- +#define __NR_accept 202
- +#define __NR_connect 203
- +#define __NR_getsockname 204
- +#define __NR_getpeername 205
- +#define __NR_sendto 206
- +#define __NR_recvfrom 207
- +#define __NR_setsockopt 208
- +#define __NR_getsockopt 209
- +#define __NR_shutdown 210
- +#define __NR_sendmsg 211
- +#define __NR_recvmsg 212
- +#define __NR_readahead 213
- +#define __NR_brk 214
- +#define __NR_munmap 215
- +#define __NR_mremap 216
- +#define __NR_add_key 217
- +#define __NR_request_key 218
- +#define __NR_keyctl 219
- +#define __NR_clone 220
- +#define __NR_execve 221
- +#define __NR_mmap2 222
- +#define __NR_fadvise64_64 223
- +#define __NR_swapon 224
- +#define __NR_swapoff 225
- +#define __NR_mprotect 226
- +#define __NR_msync 227
- +#define __NR_mlock 228
- +#define __NR_munlock 229
- +#define __NR_mlockall 230
- +#define __NR_munlockall 231
- +#define __NR_mincore 232
- +#define __NR_madvise 233
- +#define __NR_remap_file_pages 234
- +#define __NR_mbind 235
- +#define __NR_get_mempolicy 236
- +#define __NR_set_mempolicy 237
- +#define __NR_migrate_pages 238
- +#define __NR_move_pages 239
- +#define __NR_rt_tgsigqueueinfo 240
- +#define __NR_perf_event_open 241
- +#define __NR_accept4 242
- +#define __NR_arch_specific_syscall 244
- +#define __NR_prlimit64 261
- +#define __NR_fanotify_init 262
- +#define __NR_fanotify_mark 263
- +#define __NR_name_to_handle_at 264
- +#define __NR_open_by_handle_at 265
- +#define __NR_syncfs 267
- +#define __NR_setns 268
- +#define __NR_sendmmsg 269
- +#define __NR_process_vm_readv 270
- +#define __NR_process_vm_writev 271
- +#define __NR_kcmp 272
- +#define __NR_finit_module 273
- +#define __NR_sched_setattr 274
- +#define __NR_sched_getattr 275
- +#define __NR_renameat2 276
- +#define __NR_seccomp 277
- +#define __NR_getrandom 278
- +#define __NR_memfd_create 279
- +#define __NR_bpf 280
- +#define __NR_execveat 281
- +#define __NR_userfaultfd 282
- +#define __NR_membarrier 283
- +#define __NR_mlock2 284
- +#define __NR_copy_file_range 285
- +#define __NR_preadv2 286
- +#define __NR_pwritev2 287
- +#define __NR_pkey_mprotect 288
- +#define __NR_pkey_alloc 289
- +#define __NR_pkey_free 290
- +#define __NR_statx 291
- +#define __NR_rseq 293
- +#define __NR_kexec_file_load 294
- +#define __NR_clock_gettime64 403
- +#define __NR_clock_settime64 404
- +#define __NR_clock_adjtime64 405
- +#define __NR_clock_getres_time64 406
- +#define __NR_clock_nanosleep_time64 407
- +#define __NR_timer_gettime64 408
- +#define __NR_timer_settime64 409
- +#define __NR_timerfd_gettime64 410
- +#define __NR_timerfd_settime64 411
- +#define __NR_utimensat_time64 412
- +#define __NR_pselect6_time64 413
- +#define __NR_ppoll_time64 414
- +#define __NR_io_pgetevents_time64 416
- +#define __NR_recvmmsg_time64 417
- +#define __NR_mq_timedsend_time64 418
- +#define __NR_mq_timedreceive_time64 419
- +#define __NR_semtimedop_time64 420
- +#define __NR_rt_sigtimedwait_time64 421
- +#define __NR_futex_time64 422
- +#define __NR_sched_rr_get_interval_time64 423
- +#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_futex __NR_futex_time64
- +
- +#define __NR_sysriscv __NR_arch_specific_syscall
- +#define __NR_riscv_flush_icache (__NR_sysriscv + 15)
- diff --git a/arch/riscv32/bits/user.h b/arch/riscv32/bits/user.h
- new file mode 100644
- index 00000000..2da743ea
- --- /dev/null
- +++ b/arch/riscv32/bits/user.h
- @@ -0,0 +1,5 @@
- +#include <signal.h>
- +
- +#define ELF_NGREG 32
- +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
- +typedef union __riscv_mc_fp_state elf_fpregset_t;
- diff --git a/arch/riscv32/crt_arch.h b/arch/riscv32/crt_arch.h
- new file mode 100644
- index 00000000..6b93fcfd
- --- /dev/null
- +++ b/arch/riscv32/crt_arch.h
- @@ -0,0 +1,19 @@
- +__asm__(
- +".section .sdata,\"aw\"\n"
- +".text\n"
- +".global " START "\n"
- +".type " START ",%function\n"
- +START ":\n"
- +".weak __global_pointer$\n"
- +".hidden __global_pointer$\n"
- +".option push\n"
- +".option norelax\n\t"
- +"lla gp, __global_pointer$\n"
- +".option pop\n\t"
- +"mv a0, sp\n"
- +".weak _DYNAMIC\n"
- +".hidden _DYNAMIC\n\t"
- +"lla a1, _DYNAMIC\n\t"
- +"andi sp, sp, -16\n\t"
- +"tail " START "_c"
- +);
- diff --git a/arch/riscv32/kstat.h b/arch/riscv32/kstat.h
- new file mode 100644
- index 00000000..e69de29b
- diff --git a/arch/riscv32/pthread_arch.h b/arch/riscv32/pthread_arch.h
- new file mode 100644
- index 00000000..a20d7fba
- --- /dev/null
- +++ b/arch/riscv32/pthread_arch.h
- @@ -0,0 +1,13 @@
- +static inline uintptr_t __get_tp()
- +{
- + uintptr_t tp;
- + __asm__ __volatile__("mv %0, tp" : "=r"(tp));
- + return tp;
- +}
- +
- +#define TLS_ABOVE_TP
- +#define GAP_ABOVE_TP 0
- +
- +#define DTP_OFFSET 0x800
- +
- +#define MC_PC __gregs[0]
- diff --git a/arch/riscv32/reloc.h b/arch/riscv32/reloc.h
- new file mode 100644
- index 00000000..59d15f17
- --- /dev/null
- +++ b/arch/riscv32/reloc.h
- @@ -0,0 +1,22 @@
- +#if defined __riscv_float_abi_soft
- +#define RISCV_FP_SUFFIX "-sf"
- +#elif defined __riscv_float_abi_single
- +#define RISCV_FP_SUFFIX "-sp"
- +#elif defined __riscv_float_abi_double
- +#define RISCV_FP_SUFFIX ""
- +#endif
- +
- +#define LDSO_ARCH "riscv32" RISCV_FP_SUFFIX
- +
- +#define TPOFF_K 0
- +
- +#define REL_SYMBOLIC R_RISCV_32
- +#define REL_PLT R_RISCV_JUMP_SLOT
- +#define REL_RELATIVE R_RISCV_RELATIVE
- +#define REL_COPY R_RISCV_COPY
- +#define REL_DTPMOD R_RISCV_TLS_DTPMOD32
- +#define REL_DTPOFF R_RISCV_TLS_DTPREL32
- +#define REL_TPOFF R_RISCV_TLS_TPREL32
- +
- +#define CRTJMP(pc,sp) __asm__ __volatile__( \
- + "mv sp, %1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )
- diff --git a/arch/riscv32/syscall_arch.h b/arch/riscv32/syscall_arch.h
- new file mode 100644
- index 00000000..9e916c76
- --- /dev/null
- +++ b/arch/riscv32/syscall_arch.h
- @@ -0,0 +1,78 @@
- +#define __SYSCALL_LL_E(x) \
- +((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
- +((union { long long ll; long l[2]; }){ .ll = x }).l[1]
- +#define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
- +
- +#define __asm_syscall(...) \
- + __asm__ __volatile__ ("ecall\n\t" \
- + : "=r"(a0) : __VA_ARGS__ : "memory"); \
- + return a0; \
- +
- +static inline long __syscall0(long n)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0");
- + __asm_syscall("r"(a7))
- +}
- +
- +static inline long __syscall1(long n, long a)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + __asm_syscall("r"(a7), "0"(a0))
- +}
- +
- +static inline long __syscall2(long n, long a, long b)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + register long a1 __asm__("a1") = b;
- + __asm_syscall("r"(a7), "0"(a0), "r"(a1))
- +}
- +
- +static inline long __syscall3(long n, long a, long b, long c)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + register long a1 __asm__("a1") = b;
- + register long a2 __asm__("a2") = c;
- + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2))
- +}
- +
- +static inline long __syscall4(long n, long a, long b, long c, long d)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + register long a1 __asm__("a1") = b;
- + register long a2 __asm__("a2") = c;
- + register long a3 __asm__("a3") = d;
- + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3))
- +}
- +
- +static inline long __syscall5(long n, long a, long b, long c, long d, long e)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + register long a1 __asm__("a1") = b;
- + register long a2 __asm__("a2") = c;
- + register long a3 __asm__("a3") = d;
- + register long a4 __asm__("a4") = e;
- + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4))
- +}
- +
- +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
- +{
- + register long a7 __asm__("a7") = n;
- + register long a0 __asm__("a0") = a;
- + register long a1 __asm__("a1") = b;
- + register long a2 __asm__("a2") = c;
- + register long a3 __asm__("a3") = d;
- + register long a4 __asm__("a4") = e;
- + register long a5 __asm__("a5") = f;
- + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5))
- +}
- +
- +#define VDSO_USEFUL
- +/* We don't have a clock_gettime function.
- +#define VDSO_CGT_SYM "__vdso_clock_gettime"
- +#define VDSO_CGT_VER "LINUX_2.6" */
- --
- 2.29.2
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