0010-riscv32-add-arch-headers.patch 23 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849
  1. From bf15d3589b0bc2bcbe9bf1c49bc993ca77e20951 Mon Sep 17 00:00:00 2001
  2. From: Stefan O'Rear <sorear@fastmail.com>
  3. Date: Thu, 3 Sep 2020 05:40:29 -0400
  4. Subject: [PATCH 10/16] riscv32: add arch headers
  5. These are mostly copied from riscv64. _Addr and _Reg had to become int
  6. to avoid errors in libstdc++ when size_t and std::size_t mismatch.
  7. There is no kernel stat struct; the userspace stat matches glibc in the
  8. sizes and offsets of all fields (including glibc's __dev_t __pad1). The
  9. jump buffer is 12 words larger to account for 12 saved double-precision
  10. floats; additionally it should be 64-bit aligned to save doubles.
  11. The syscall list was significantly revised by deleting all time32 and
  12. pre-statx syscalls, and renaming several syscalls that have different
  13. names depending on __BITS_PER_LONG, notably mmap2 and _llseek.
  14. futex was added as an alias to futex_time64 since it is widely used by
  15. software which does not pass time arguments.
  16. ---
  17. arch/riscv32/atomic_arch.h | 21 +++
  18. arch/riscv32/bits/alltypes.h.in | 18 ++
  19. arch/riscv32/bits/fcntl.h | 38 +++++
  20. arch/riscv32/bits/fenv.h | 17 ++
  21. arch/riscv32/bits/float.h | 16 ++
  22. arch/riscv32/bits/posix.h | 2 +
  23. arch/riscv32/bits/setjmp.h | 1 +
  24. arch/riscv32/bits/signal.h | 118 +++++++++++++
  25. arch/riscv32/bits/stat.h | 18 ++
  26. arch/riscv32/bits/stdint.h | 20 +++
  27. arch/riscv32/bits/syscall.h.in | 286 ++++++++++++++++++++++++++++++++
  28. arch/riscv32/bits/user.h | 5 +
  29. arch/riscv32/crt_arch.h | 19 +++
  30. arch/riscv32/kstat.h | 0
  31. arch/riscv32/pthread_arch.h | 13 ++
  32. arch/riscv32/reloc.h | 22 +++
  33. arch/riscv32/syscall_arch.h | 78 +++++++++
  34. 17 files changed, 692 insertions(+)
  35. create mode 100644 arch/riscv32/atomic_arch.h
  36. create mode 100644 arch/riscv32/bits/alltypes.h.in
  37. create mode 100644 arch/riscv32/bits/fcntl.h
  38. create mode 100644 arch/riscv32/bits/fenv.h
  39. create mode 100644 arch/riscv32/bits/float.h
  40. create mode 100644 arch/riscv32/bits/posix.h
  41. create mode 100644 arch/riscv32/bits/setjmp.h
  42. create mode 100644 arch/riscv32/bits/signal.h
  43. create mode 100644 arch/riscv32/bits/stat.h
  44. create mode 100644 arch/riscv32/bits/stdint.h
  45. create mode 100644 arch/riscv32/bits/syscall.h.in
  46. create mode 100644 arch/riscv32/bits/user.h
  47. create mode 100644 arch/riscv32/crt_arch.h
  48. create mode 100644 arch/riscv32/kstat.h
  49. create mode 100644 arch/riscv32/pthread_arch.h
  50. create mode 100644 arch/riscv32/reloc.h
  51. create mode 100644 arch/riscv32/syscall_arch.h
  52. diff --git a/arch/riscv32/atomic_arch.h b/arch/riscv32/atomic_arch.h
  53. new file mode 100644
  54. index 00000000..4d418f63
  55. --- /dev/null
  56. +++ b/arch/riscv32/atomic_arch.h
  57. @@ -0,0 +1,21 @@
  58. +#define a_barrier a_barrier
  59. +static inline void a_barrier()
  60. +{
  61. + __asm__ __volatile__ ("fence rw,rw" : : : "memory");
  62. +}
  63. +
  64. +#define a_cas a_cas
  65. +static inline int a_cas(volatile int *p, int t, int s)
  66. +{
  67. + int old, tmp;
  68. + __asm__ __volatile__ (
  69. + "\n1: lr.w.aqrl %0, (%2)\n"
  70. + " bne %0, %3, 1f\n"
  71. + " sc.w.aqrl %1, %4, (%2)\n"
  72. + " bnez %1, 1b\n"
  73. + "1:"
  74. + : "=&r"(old), "=&r"(tmp)
  75. + : "r"(p), "r"((long)t), "r"((long)s)
  76. + : "memory");
  77. + return old;
  78. +}
  79. diff --git a/arch/riscv32/bits/alltypes.h.in b/arch/riscv32/bits/alltypes.h.in
  80. new file mode 100644
  81. index 00000000..e2b6129e
  82. --- /dev/null
  83. +++ b/arch/riscv32/bits/alltypes.h.in
  84. @@ -0,0 +1,18 @@
  85. +#define _Addr int
  86. +#define _Int64 long long
  87. +#define _Reg int
  88. +
  89. +#define __BYTE_ORDER 1234
  90. +#define __LONG_MAX 0x7fffffffL
  91. +
  92. +#ifndef __cplusplus
  93. +TYPEDEF int wchar_t;
  94. +#endif
  95. +
  96. +TYPEDEF int blksize_t;
  97. +TYPEDEF unsigned int nlink_t;
  98. +
  99. +TYPEDEF float float_t;
  100. +TYPEDEF double double_t;
  101. +
  102. +TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
  103. diff --git a/arch/riscv32/bits/fcntl.h b/arch/riscv32/bits/fcntl.h
  104. new file mode 100644
  105. index 00000000..ecb4d18f
  106. --- /dev/null
  107. +++ b/arch/riscv32/bits/fcntl.h
  108. @@ -0,0 +1,38 @@
  109. +#define O_CREAT 0100
  110. +#define O_EXCL 0200
  111. +#define O_NOCTTY 0400
  112. +#define O_TRUNC 01000
  113. +#define O_APPEND 02000
  114. +#define O_NONBLOCK 04000
  115. +#define O_DSYNC 010000
  116. +#define O_SYNC 04010000
  117. +#define O_RSYNC 04010000
  118. +#define O_DIRECTORY 0200000
  119. +#define O_NOFOLLOW 0400000
  120. +#define O_CLOEXEC 02000000
  121. +
  122. +#define O_ASYNC 020000
  123. +#define O_DIRECT 040000
  124. +#define O_LARGEFILE 0100000
  125. +#define O_NOATIME 01000000
  126. +#define O_PATH 010000000
  127. +#define O_TMPFILE 020200000
  128. +#define O_NDELAY O_NONBLOCK
  129. +
  130. +#define F_DUPFD 0
  131. +#define F_GETFD 1
  132. +#define F_SETFD 2
  133. +#define F_GETFL 3
  134. +#define F_SETFL 4
  135. +#define F_GETLK 5
  136. +#define F_SETLK 6
  137. +#define F_SETLKW 7
  138. +#define F_SETOWN 8
  139. +#define F_GETOWN 9
  140. +#define F_SETSIG 10
  141. +#define F_GETSIG 11
  142. +
  143. +#define F_SETOWN_EX 15
  144. +#define F_GETOWN_EX 16
  145. +
  146. +#define F_GETOWNER_UIDS 17
  147. diff --git a/arch/riscv32/bits/fenv.h b/arch/riscv32/bits/fenv.h
  148. new file mode 100644
  149. index 00000000..806ec40f
  150. --- /dev/null
  151. +++ b/arch/riscv32/bits/fenv.h
  152. @@ -0,0 +1,17 @@
  153. +#define FE_INVALID 16
  154. +#define FE_DIVBYZERO 8
  155. +#define FE_OVERFLOW 4
  156. +#define FE_UNDERFLOW 2
  157. +#define FE_INEXACT 1
  158. +
  159. +#define FE_ALL_EXCEPT 31
  160. +
  161. +#define FE_TONEAREST 0
  162. +#define FE_DOWNWARD 2
  163. +#define FE_UPWARD 3
  164. +#define FE_TOWARDZERO 1
  165. +
  166. +typedef unsigned int fexcept_t;
  167. +typedef unsigned int fenv_t;
  168. +
  169. +#define FE_DFL_ENV ((const fenv_t *) -1)
  170. diff --git a/arch/riscv32/bits/float.h b/arch/riscv32/bits/float.h
  171. new file mode 100644
  172. index 00000000..719c7908
  173. --- /dev/null
  174. +++ b/arch/riscv32/bits/float.h
  175. @@ -0,0 +1,16 @@
  176. +#define FLT_EVAL_METHOD 0
  177. +
  178. +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L
  179. +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
  180. +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
  181. +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
  182. +
  183. +#define LDBL_MANT_DIG 113
  184. +#define LDBL_MIN_EXP (-16381)
  185. +#define LDBL_MAX_EXP 16384
  186. +
  187. +#define LDBL_DIG 33
  188. +#define LDBL_MIN_10_EXP (-4931)
  189. +#define LDBL_MAX_10_EXP 4932
  190. +
  191. +#define DECIMAL_DIG 36
  192. diff --git a/arch/riscv32/bits/posix.h b/arch/riscv32/bits/posix.h
  193. new file mode 100644
  194. index 00000000..8897d37d
  195. --- /dev/null
  196. +++ b/arch/riscv32/bits/posix.h
  197. @@ -0,0 +1,2 @@
  198. +#define _POSIX_V6_ILP32_OFFBIG 1
  199. +#define _POSIX_V7_ILP32_OFFBIG 1
  200. diff --git a/arch/riscv32/bits/setjmp.h b/arch/riscv32/bits/setjmp.h
  201. new file mode 100644
  202. index 00000000..51e96276
  203. --- /dev/null
  204. +++ b/arch/riscv32/bits/setjmp.h
  205. @@ -0,0 +1 @@
  206. +typedef unsigned long long __jmp_buf[19];
  207. diff --git a/arch/riscv32/bits/signal.h b/arch/riscv32/bits/signal.h
  208. new file mode 100644
  209. index 00000000..b006334f
  210. --- /dev/null
  211. +++ b/arch/riscv32/bits/signal.h
  212. @@ -0,0 +1,118 @@
  213. +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  214. + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  215. +
  216. +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  217. +# define MINSIGSTKSZ 2048
  218. +# define SIGSTKSZ 8192
  219. +#endif
  220. +
  221. +typedef unsigned long __riscv_mc_gp_state[32];
  222. +
  223. +struct __riscv_mc_f_ext_state {
  224. + unsigned int __f[32];
  225. + unsigned int __fcsr;
  226. +};
  227. +
  228. +struct __riscv_mc_d_ext_state {
  229. + unsigned long long __f[32];
  230. + unsigned int __fcsr;
  231. +};
  232. +
  233. +struct __riscv_mc_q_ext_state {
  234. + unsigned long long __f[64] __attribute__((aligned(16)));
  235. + unsigned int __fcsr;
  236. + unsigned int __reserved[3];
  237. +};
  238. +
  239. +union __riscv_mc_fp_state {
  240. + struct __riscv_mc_f_ext_state __f;
  241. + struct __riscv_mc_d_ext_state __d;
  242. + struct __riscv_mc_q_ext_state __q;
  243. +};
  244. +
  245. +typedef struct mcontext_t {
  246. + __riscv_mc_gp_state __gregs;
  247. + union __riscv_mc_fp_state __fpregs;
  248. +} mcontext_t;
  249. +
  250. +#if defined(_GNU_SOURCE)
  251. +#define REG_PC 0
  252. +#define REG_RA 1
  253. +#define REG_SP 2
  254. +#define REG_TP 4
  255. +#define REG_S0 8
  256. +#define REG_A0 10
  257. +#endif
  258. +
  259. +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  260. +typedef unsigned long greg_t;
  261. +typedef unsigned long gregset_t[32];
  262. +typedef union __riscv_mc_fp_state fpregset_t;
  263. +struct sigcontext {
  264. + gregset_t gregs;
  265. + fpregset_t fpregs;
  266. +};
  267. +#endif
  268. +
  269. +struct sigaltstack {
  270. + void *ss_sp;
  271. + int ss_flags;
  272. + size_t ss_size;
  273. +};
  274. +
  275. +typedef struct ucontext_t
  276. +{
  277. + unsigned long uc_flags;
  278. + struct ucontext_t *uc_link;
  279. + stack_t uc_stack;
  280. + sigset_t uc_sigmask;
  281. + mcontext_t uc_mcontext;
  282. +} ucontext_t;
  283. +
  284. +#define SA_NOCLDSTOP 1
  285. +#define SA_NOCLDWAIT 2
  286. +#define SA_SIGINFO 4
  287. +#define SA_ONSTACK 0x08000000
  288. +#define SA_RESTART 0x10000000
  289. +#define SA_NODEFER 0x40000000
  290. +#define SA_RESETHAND 0x80000000
  291. +#define SA_RESTORER 0x04000000
  292. +
  293. +#endif
  294. +
  295. +#define SIGHUP 1
  296. +#define SIGINT 2
  297. +#define SIGQUIT 3
  298. +#define SIGILL 4
  299. +#define SIGTRAP 5
  300. +#define SIGABRT 6
  301. +#define SIGIOT SIGABRT
  302. +#define SIGBUS 7
  303. +#define SIGFPE 8
  304. +#define SIGKILL 9
  305. +#define SIGUSR1 10
  306. +#define SIGSEGV 11
  307. +#define SIGUSR2 12
  308. +#define SIGPIPE 13
  309. +#define SIGALRM 14
  310. +#define SIGTERM 15
  311. +#define SIGSTKFLT 16
  312. +#define SIGCHLD 17
  313. +#define SIGCONT 18
  314. +#define SIGSTOP 19
  315. +#define SIGTSTP 20
  316. +#define SIGTTIN 21
  317. +#define SIGTTOU 22
  318. +#define SIGURG 23
  319. +#define SIGXCPU 24
  320. +#define SIGXFSZ 25
  321. +#define SIGVTALRM 26
  322. +#define SIGPROF 27
  323. +#define SIGWINCH 28
  324. +#define SIGIO 29
  325. +#define SIGPOLL SIGIO
  326. +#define SIGPWR 30
  327. +#define SIGSYS 31
  328. +#define SIGUNUSED SIGSYS
  329. +
  330. +#define _NSIG 65
  331. diff --git a/arch/riscv32/bits/stat.h b/arch/riscv32/bits/stat.h
  332. new file mode 100644
  333. index 00000000..f6d9e864
  334. --- /dev/null
  335. +++ b/arch/riscv32/bits/stat.h
  336. @@ -0,0 +1,18 @@
  337. +struct stat {
  338. + dev_t st_dev;
  339. + ino_t st_ino;
  340. + mode_t st_mode;
  341. + nlink_t st_nlink;
  342. + uid_t st_uid;
  343. + gid_t st_gid;
  344. + dev_t st_rdev;
  345. + unsigned long long __pad;
  346. + off_t st_size;
  347. + blksize_t st_blksize;
  348. + int __pad2;
  349. + blkcnt_t st_blocks;
  350. + struct timespec st_atim;
  351. + struct timespec st_mtim;
  352. + struct timespec st_ctim;
  353. + unsigned __unused[2];
  354. +};
  355. diff --git a/arch/riscv32/bits/stdint.h b/arch/riscv32/bits/stdint.h
  356. new file mode 100644
  357. index 00000000..d1b27121
  358. --- /dev/null
  359. +++ b/arch/riscv32/bits/stdint.h
  360. @@ -0,0 +1,20 @@
  361. +typedef int32_t int_fast16_t;
  362. +typedef int32_t int_fast32_t;
  363. +typedef uint32_t uint_fast16_t;
  364. +typedef uint32_t uint_fast32_t;
  365. +
  366. +#define INT_FAST16_MIN INT32_MIN
  367. +#define INT_FAST32_MIN INT32_MIN
  368. +
  369. +#define INT_FAST16_MAX INT32_MAX
  370. +#define INT_FAST32_MAX INT32_MAX
  371. +
  372. +#define UINT_FAST16_MAX UINT32_MAX
  373. +#define UINT_FAST32_MAX UINT32_MAX
  374. +
  375. +#define INTPTR_MIN INT32_MIN
  376. +#define INTPTR_MAX INT32_MAX
  377. +#define UINTPTR_MAX UINT32_MAX
  378. +#define PTRDIFF_MIN INT32_MIN
  379. +#define PTRDIFF_MAX INT32_MAX
  380. +#define SIZE_MAX UINT32_MAX
  381. diff --git a/arch/riscv32/bits/syscall.h.in b/arch/riscv32/bits/syscall.h.in
  382. new file mode 100644
  383. index 00000000..852d2aaa
  384. --- /dev/null
  385. +++ b/arch/riscv32/bits/syscall.h.in
  386. @@ -0,0 +1,286 @@
  387. +#define __NR_io_setup 0
  388. +#define __NR_io_destroy 1
  389. +#define __NR_io_submit 2
  390. +#define __NR_io_cancel 3
  391. +#define __NR_setxattr 5
  392. +#define __NR_lsetxattr 6
  393. +#define __NR_fsetxattr 7
  394. +#define __NR_getxattr 8
  395. +#define __NR_lgetxattr 9
  396. +#define __NR_fgetxattr 10
  397. +#define __NR_listxattr 11
  398. +#define __NR_llistxattr 12
  399. +#define __NR_flistxattr 13
  400. +#define __NR_removexattr 14
  401. +#define __NR_lremovexattr 15
  402. +#define __NR_fremovexattr 16
  403. +#define __NR_getcwd 17
  404. +#define __NR_lookup_dcookie 18
  405. +#define __NR_eventfd2 19
  406. +#define __NR_epoll_create1 20
  407. +#define __NR_epoll_ctl 21
  408. +#define __NR_epoll_pwait 22
  409. +#define __NR_dup 23
  410. +#define __NR_dup3 24
  411. +#define __NR_fcntl64 25
  412. +#define __NR_inotify_init1 26
  413. +#define __NR_inotify_add_watch 27
  414. +#define __NR_inotify_rm_watch 28
  415. +#define __NR_ioctl 29
  416. +#define __NR_ioprio_set 30
  417. +#define __NR_ioprio_get 31
  418. +#define __NR_flock 32
  419. +#define __NR_mknodat 33
  420. +#define __NR_mkdirat 34
  421. +#define __NR_unlinkat 35
  422. +#define __NR_symlinkat 36
  423. +#define __NR_linkat 37
  424. +#define __NR_umount2 39
  425. +#define __NR_mount 40
  426. +#define __NR_pivot_root 41
  427. +#define __NR_nfsservctl 42
  428. +#define __NR_statfs64 43
  429. +#define __NR_fstatfs64 44
  430. +#define __NR_truncate64 45
  431. +#define __NR_ftruncate64 46
  432. +#define __NR_fallocate 47
  433. +#define __NR_faccessat 48
  434. +#define __NR_chdir 49
  435. +#define __NR_fchdir 50
  436. +#define __NR_chroot 51
  437. +#define __NR_fchmod 52
  438. +#define __NR_fchmodat 53
  439. +#define __NR_fchownat 54
  440. +#define __NR_fchown 55
  441. +#define __NR_openat 56
  442. +#define __NR_close 57
  443. +#define __NR_vhangup 58
  444. +#define __NR_pipe2 59
  445. +#define __NR_quotactl 60
  446. +#define __NR_getdents64 61
  447. +#define __NR__llseek 62
  448. +#define __NR_read 63
  449. +#define __NR_write 64
  450. +#define __NR_readv 65
  451. +#define __NR_writev 66
  452. +#define __NR_pread64 67
  453. +#define __NR_pwrite64 68
  454. +#define __NR_preadv 69
  455. +#define __NR_pwritev 70
  456. +#define __NR_sendfile64 71
  457. +#define __NR_signalfd4 74
  458. +#define __NR_vmsplice 75
  459. +#define __NR_splice 76
  460. +#define __NR_tee 77
  461. +#define __NR_readlinkat 78
  462. +#define __NR_sync 81
  463. +#define __NR_fsync 82
  464. +#define __NR_fdatasync 83
  465. +#define __NR_sync_file_range 84
  466. +#define __NR_timerfd_create 85
  467. +#define __NR_acct 89
  468. +#define __NR_capget 90
  469. +#define __NR_capset 91
  470. +#define __NR_personality 92
  471. +#define __NR_exit 93
  472. +#define __NR_exit_group 94
  473. +#define __NR_waitid 95
  474. +#define __NR_set_tid_address 96
  475. +#define __NR_unshare 97
  476. +#define __NR_set_robust_list 99
  477. +#define __NR_get_robust_list 100
  478. +#define __NR_nanosleep 101
  479. +#define __NR_getitimer 102
  480. +#define __NR_setitimer 103
  481. +#define __NR_kexec_load 104
  482. +#define __NR_init_module 105
  483. +#define __NR_delete_module 106
  484. +#define __NR_timer_create 107
  485. +#define __NR_timer_getoverrun 109
  486. +#define __NR_timer_delete 111
  487. +#define __NR_syslog 116
  488. +#define __NR_ptrace 117
  489. +#define __NR_sched_setparam 118
  490. +#define __NR_sched_setscheduler 119
  491. +#define __NR_sched_getscheduler 120
  492. +#define __NR_sched_getparam 121
  493. +#define __NR_sched_setaffinity 122
  494. +#define __NR_sched_getaffinity 123
  495. +#define __NR_sched_yield 124
  496. +#define __NR_sched_get_priority_max 125
  497. +#define __NR_sched_get_priority_min 126
  498. +#define __NR_restart_syscall 128
  499. +#define __NR_kill 129
  500. +#define __NR_tkill 130
  501. +#define __NR_tgkill 131
  502. +#define __NR_sigaltstack 132
  503. +#define __NR_rt_sigsuspend 133
  504. +#define __NR_rt_sigaction 134
  505. +#define __NR_rt_sigprocmask 135
  506. +#define __NR_rt_sigpending 136
  507. +#define __NR_rt_sigqueueinfo 138
  508. +#define __NR_rt_sigreturn 139
  509. +#define __NR_setpriority 140
  510. +#define __NR_getpriority 141
  511. +#define __NR_reboot 142
  512. +#define __NR_setregid 143
  513. +#define __NR_setgid 144
  514. +#define __NR_setreuid 145
  515. +#define __NR_setuid 146
  516. +#define __NR_setresuid 147
  517. +#define __NR_getresuid 148
  518. +#define __NR_setresgid 149
  519. +#define __NR_getresgid 150
  520. +#define __NR_setfsuid 151
  521. +#define __NR_setfsgid 152
  522. +#define __NR_times 153
  523. +#define __NR_setpgid 154
  524. +#define __NR_getpgid 155
  525. +#define __NR_getsid 156
  526. +#define __NR_setsid 157
  527. +#define __NR_getgroups 158
  528. +#define __NR_setgroups 159
  529. +#define __NR_uname 160
  530. +#define __NR_sethostname 161
  531. +#define __NR_setdomainname 162
  532. +#define __NR_getrusage 165
  533. +#define __NR_umask 166
  534. +#define __NR_prctl 167
  535. +#define __NR_getcpu 168
  536. +#define __NR_getpid 172
  537. +#define __NR_getppid 173
  538. +#define __NR_getuid 174
  539. +#define __NR_geteuid 175
  540. +#define __NR_getgid 176
  541. +#define __NR_getegid 177
  542. +#define __NR_gettid 178
  543. +#define __NR_sysinfo 179
  544. +#define __NR_mq_open 180
  545. +#define __NR_mq_unlink 181
  546. +#define __NR_mq_notify 184
  547. +#define __NR_mq_getsetattr 185
  548. +#define __NR_msgget 186
  549. +#define __NR_msgctl 187
  550. +#define __NR_msgrcv 188
  551. +#define __NR_msgsnd 189
  552. +#define __NR_semget 190
  553. +#define __NR_semctl 191
  554. +#define __NR_semop 193
  555. +#define __NR_shmget 194
  556. +#define __NR_shmctl 195
  557. +#define __NR_shmat 196
  558. +#define __NR_shmdt 197
  559. +#define __NR_socket 198
  560. +#define __NR_socketpair 199
  561. +#define __NR_bind 200
  562. +#define __NR_listen 201
  563. +#define __NR_accept 202
  564. +#define __NR_connect 203
  565. +#define __NR_getsockname 204
  566. +#define __NR_getpeername 205
  567. +#define __NR_sendto 206
  568. +#define __NR_recvfrom 207
  569. +#define __NR_setsockopt 208
  570. +#define __NR_getsockopt 209
  571. +#define __NR_shutdown 210
  572. +#define __NR_sendmsg 211
  573. +#define __NR_recvmsg 212
  574. +#define __NR_readahead 213
  575. +#define __NR_brk 214
  576. +#define __NR_munmap 215
  577. +#define __NR_mremap 216
  578. +#define __NR_add_key 217
  579. +#define __NR_request_key 218
  580. +#define __NR_keyctl 219
  581. +#define __NR_clone 220
  582. +#define __NR_execve 221
  583. +#define __NR_mmap2 222
  584. +#define __NR_fadvise64_64 223
  585. +#define __NR_swapon 224
  586. +#define __NR_swapoff 225
  587. +#define __NR_mprotect 226
  588. +#define __NR_msync 227
  589. +#define __NR_mlock 228
  590. +#define __NR_munlock 229
  591. +#define __NR_mlockall 230
  592. +#define __NR_munlockall 231
  593. +#define __NR_mincore 232
  594. +#define __NR_madvise 233
  595. +#define __NR_remap_file_pages 234
  596. +#define __NR_mbind 235
  597. +#define __NR_get_mempolicy 236
  598. +#define __NR_set_mempolicy 237
  599. +#define __NR_migrate_pages 238
  600. +#define __NR_move_pages 239
  601. +#define __NR_rt_tgsigqueueinfo 240
  602. +#define __NR_perf_event_open 241
  603. +#define __NR_accept4 242
  604. +#define __NR_arch_specific_syscall 244
  605. +#define __NR_prlimit64 261
  606. +#define __NR_fanotify_init 262
  607. +#define __NR_fanotify_mark 263
  608. +#define __NR_name_to_handle_at 264
  609. +#define __NR_open_by_handle_at 265
  610. +#define __NR_syncfs 267
  611. +#define __NR_setns 268
  612. +#define __NR_sendmmsg 269
  613. +#define __NR_process_vm_readv 270
  614. +#define __NR_process_vm_writev 271
  615. +#define __NR_kcmp 272
  616. +#define __NR_finit_module 273
  617. +#define __NR_sched_setattr 274
  618. +#define __NR_sched_getattr 275
  619. +#define __NR_renameat2 276
  620. +#define __NR_seccomp 277
  621. +#define __NR_getrandom 278
  622. +#define __NR_memfd_create 279
  623. +#define __NR_bpf 280
  624. +#define __NR_execveat 281
  625. +#define __NR_userfaultfd 282
  626. +#define __NR_membarrier 283
  627. +#define __NR_mlock2 284
  628. +#define __NR_copy_file_range 285
  629. +#define __NR_preadv2 286
  630. +#define __NR_pwritev2 287
  631. +#define __NR_pkey_mprotect 288
  632. +#define __NR_pkey_alloc 289
  633. +#define __NR_pkey_free 290
  634. +#define __NR_statx 291
  635. +#define __NR_rseq 293
  636. +#define __NR_kexec_file_load 294
  637. +#define __NR_clock_gettime64 403
  638. +#define __NR_clock_settime64 404
  639. +#define __NR_clock_adjtime64 405
  640. +#define __NR_clock_getres_time64 406
  641. +#define __NR_clock_nanosleep_time64 407
  642. +#define __NR_timer_gettime64 408
  643. +#define __NR_timer_settime64 409
  644. +#define __NR_timerfd_gettime64 410
  645. +#define __NR_timerfd_settime64 411
  646. +#define __NR_utimensat_time64 412
  647. +#define __NR_pselect6_time64 413
  648. +#define __NR_ppoll_time64 414
  649. +#define __NR_io_pgetevents_time64 416
  650. +#define __NR_recvmmsg_time64 417
  651. +#define __NR_mq_timedsend_time64 418
  652. +#define __NR_mq_timedreceive_time64 419
  653. +#define __NR_semtimedop_time64 420
  654. +#define __NR_rt_sigtimedwait_time64 421
  655. +#define __NR_futex_time64 422
  656. +#define __NR_sched_rr_get_interval_time64 423
  657. +#define __NR_pidfd_send_signal 424
  658. +#define __NR_io_uring_setup 425
  659. +#define __NR_io_uring_enter 426
  660. +#define __NR_io_uring_register 427
  661. +#define __NR_open_tree 428
  662. +#define __NR_move_mount 429
  663. +#define __NR_fsopen 430
  664. +#define __NR_fsconfig 431
  665. +#define __NR_fsmount 432
  666. +#define __NR_fspick 433
  667. +#define __NR_pidfd_open 434
  668. +
  669. +#define __NR_futex __NR_futex_time64
  670. +
  671. +#define __NR_sysriscv __NR_arch_specific_syscall
  672. +#define __NR_riscv_flush_icache (__NR_sysriscv + 15)
  673. diff --git a/arch/riscv32/bits/user.h b/arch/riscv32/bits/user.h
  674. new file mode 100644
  675. index 00000000..2da743ea
  676. --- /dev/null
  677. +++ b/arch/riscv32/bits/user.h
  678. @@ -0,0 +1,5 @@
  679. +#include <signal.h>
  680. +
  681. +#define ELF_NGREG 32
  682. +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
  683. +typedef union __riscv_mc_fp_state elf_fpregset_t;
  684. diff --git a/arch/riscv32/crt_arch.h b/arch/riscv32/crt_arch.h
  685. new file mode 100644
  686. index 00000000..6b93fcfd
  687. --- /dev/null
  688. +++ b/arch/riscv32/crt_arch.h
  689. @@ -0,0 +1,19 @@
  690. +__asm__(
  691. +".section .sdata,\"aw\"\n"
  692. +".text\n"
  693. +".global " START "\n"
  694. +".type " START ",%function\n"
  695. +START ":\n"
  696. +".weak __global_pointer$\n"
  697. +".hidden __global_pointer$\n"
  698. +".option push\n"
  699. +".option norelax\n\t"
  700. +"lla gp, __global_pointer$\n"
  701. +".option pop\n\t"
  702. +"mv a0, sp\n"
  703. +".weak _DYNAMIC\n"
  704. +".hidden _DYNAMIC\n\t"
  705. +"lla a1, _DYNAMIC\n\t"
  706. +"andi sp, sp, -16\n\t"
  707. +"tail " START "_c"
  708. +);
  709. diff --git a/arch/riscv32/kstat.h b/arch/riscv32/kstat.h
  710. new file mode 100644
  711. index 00000000..e69de29b
  712. diff --git a/arch/riscv32/pthread_arch.h b/arch/riscv32/pthread_arch.h
  713. new file mode 100644
  714. index 00000000..a20d7fba
  715. --- /dev/null
  716. +++ b/arch/riscv32/pthread_arch.h
  717. @@ -0,0 +1,13 @@
  718. +static inline uintptr_t __get_tp()
  719. +{
  720. + uintptr_t tp;
  721. + __asm__ __volatile__("mv %0, tp" : "=r"(tp));
  722. + return tp;
  723. +}
  724. +
  725. +#define TLS_ABOVE_TP
  726. +#define GAP_ABOVE_TP 0
  727. +
  728. +#define DTP_OFFSET 0x800
  729. +
  730. +#define MC_PC __gregs[0]
  731. diff --git a/arch/riscv32/reloc.h b/arch/riscv32/reloc.h
  732. new file mode 100644
  733. index 00000000..59d15f17
  734. --- /dev/null
  735. +++ b/arch/riscv32/reloc.h
  736. @@ -0,0 +1,22 @@
  737. +#if defined __riscv_float_abi_soft
  738. +#define RISCV_FP_SUFFIX "-sf"
  739. +#elif defined __riscv_float_abi_single
  740. +#define RISCV_FP_SUFFIX "-sp"
  741. +#elif defined __riscv_float_abi_double
  742. +#define RISCV_FP_SUFFIX ""
  743. +#endif
  744. +
  745. +#define LDSO_ARCH "riscv32" RISCV_FP_SUFFIX
  746. +
  747. +#define TPOFF_K 0
  748. +
  749. +#define REL_SYMBOLIC R_RISCV_32
  750. +#define REL_PLT R_RISCV_JUMP_SLOT
  751. +#define REL_RELATIVE R_RISCV_RELATIVE
  752. +#define REL_COPY R_RISCV_COPY
  753. +#define REL_DTPMOD R_RISCV_TLS_DTPMOD32
  754. +#define REL_DTPOFF R_RISCV_TLS_DTPREL32
  755. +#define REL_TPOFF R_RISCV_TLS_TPREL32
  756. +
  757. +#define CRTJMP(pc,sp) __asm__ __volatile__( \
  758. + "mv sp, %1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )
  759. diff --git a/arch/riscv32/syscall_arch.h b/arch/riscv32/syscall_arch.h
  760. new file mode 100644
  761. index 00000000..9e916c76
  762. --- /dev/null
  763. +++ b/arch/riscv32/syscall_arch.h
  764. @@ -0,0 +1,78 @@
  765. +#define __SYSCALL_LL_E(x) \
  766. +((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
  767. +((union { long long ll; long l[2]; }){ .ll = x }).l[1]
  768. +#define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
  769. +
  770. +#define __asm_syscall(...) \
  771. + __asm__ __volatile__ ("ecall\n\t" \
  772. + : "=r"(a0) : __VA_ARGS__ : "memory"); \
  773. + return a0; \
  774. +
  775. +static inline long __syscall0(long n)
  776. +{
  777. + register long a7 __asm__("a7") = n;
  778. + register long a0 __asm__("a0");
  779. + __asm_syscall("r"(a7))
  780. +}
  781. +
  782. +static inline long __syscall1(long n, long a)
  783. +{
  784. + register long a7 __asm__("a7") = n;
  785. + register long a0 __asm__("a0") = a;
  786. + __asm_syscall("r"(a7), "0"(a0))
  787. +}
  788. +
  789. +static inline long __syscall2(long n, long a, long b)
  790. +{
  791. + register long a7 __asm__("a7") = n;
  792. + register long a0 __asm__("a0") = a;
  793. + register long a1 __asm__("a1") = b;
  794. + __asm_syscall("r"(a7), "0"(a0), "r"(a1))
  795. +}
  796. +
  797. +static inline long __syscall3(long n, long a, long b, long c)
  798. +{
  799. + register long a7 __asm__("a7") = n;
  800. + register long a0 __asm__("a0") = a;
  801. + register long a1 __asm__("a1") = b;
  802. + register long a2 __asm__("a2") = c;
  803. + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2))
  804. +}
  805. +
  806. +static inline long __syscall4(long n, long a, long b, long c, long d)
  807. +{
  808. + register long a7 __asm__("a7") = n;
  809. + register long a0 __asm__("a0") = a;
  810. + register long a1 __asm__("a1") = b;
  811. + register long a2 __asm__("a2") = c;
  812. + register long a3 __asm__("a3") = d;
  813. + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3))
  814. +}
  815. +
  816. +static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  817. +{
  818. + register long a7 __asm__("a7") = n;
  819. + register long a0 __asm__("a0") = a;
  820. + register long a1 __asm__("a1") = b;
  821. + register long a2 __asm__("a2") = c;
  822. + register long a3 __asm__("a3") = d;
  823. + register long a4 __asm__("a4") = e;
  824. + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4))
  825. +}
  826. +
  827. +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
  828. +{
  829. + register long a7 __asm__("a7") = n;
  830. + register long a0 __asm__("a0") = a;
  831. + register long a1 __asm__("a1") = b;
  832. + register long a2 __asm__("a2") = c;
  833. + register long a3 __asm__("a3") = d;
  834. + register long a4 __asm__("a4") = e;
  835. + register long a5 __asm__("a5") = f;
  836. + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5))
  837. +}
  838. +
  839. +#define VDSO_USEFUL
  840. +/* We don't have a clock_gettime function.
  841. +#define VDSO_CGT_SYM "__vdso_clock_gettime"
  842. +#define VDSO_CGT_VER "LINUX_2.6" */
  843. --
  844. 2.29.2