From be7942d8dbce223ed6a75dfdf8d2cd1beb04e2eb Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Tue, 22 Mar 2016 02:35:58 +0300 Subject: [PATCH 242/242] xtensa: add port Signed-off-by: Max Filippov Signed-off-by: Waldemar Brodkorb --- arch/xtensa/atomic_arch.h | 30 ++ arch/xtensa/bits/alltypes.h.in | 30 ++ arch/xtensa/bits/endian.h | 7 + arch/xtensa/bits/float.h | 16 + arch/xtensa/bits/ioctl.h | 227 ++++++++++++ arch/xtensa/bits/limits.h | 7 + arch/xtensa/bits/mman.h | 57 +++ arch/xtensa/bits/posix.h | 2 + arch/xtensa/bits/reg.h | 2 + arch/xtensa/bits/setjmp.h | 1 + arch/xtensa/bits/signal.h | 88 +++++ arch/xtensa/bits/stat.h | 21 ++ arch/xtensa/bits/stdint.h | 20 + arch/xtensa/bits/syscall.h | 679 ++++++++++++++++++++++++++++++++++ arch/xtensa/bits/termios.h | 168 +++++++++ arch/xtensa/bits/user.h | 4 + arch/xtensa/bits/xtensa-config.h | 46 +++ arch/xtensa/crt_arch.h | 26 ++ arch/xtensa/pthread_arch.h | 11 + arch/xtensa/reloc.h | 21 ++ arch/xtensa/syscall_arch.h | 102 +++++ configure | 1 + crt/xtensa/crti.s | 11 + crt/xtensa/crtn.s | 5 + include/elf.h | 58 +++ ldso/dlstart.c | 13 +- ldso/dynlink.c | 41 +- src/internal/xtensa/syscall.s | 15 + src/ldso/xtensa/tlsdesc.s | 22 ++ src/setjmp/xtensa/longjmp.s | 73 ++++ src/setjmp/xtensa/setjmp.s | 13 + src/signal/xtensa/restore.s | 10 + src/signal/xtensa/sigsetjmp.s | 69 ++++ src/signal/xtensa/windowspill.s | 78 ++++ src/thread/xtensa/__set_thread_area.s | 8 + src/thread/xtensa/__unmapself.s | 10 + src/thread/xtensa/clone.s | 39 ++ src/thread/xtensa/syscall_cp.s | 37 ++ 38 files changed, 2066 insertions(+), 2 deletions(-) create mode 100644 arch/xtensa/atomic_arch.h create mode 100644 arch/xtensa/bits/alltypes.h.in create mode 100644 arch/xtensa/bits/endian.h create mode 100644 arch/xtensa/bits/float.h create mode 100644 arch/xtensa/bits/ioctl.h create mode 100644 arch/xtensa/bits/limits.h create mode 100644 arch/xtensa/bits/mman.h create mode 100644 arch/xtensa/bits/posix.h create mode 100644 arch/xtensa/bits/reg.h create mode 100644 arch/xtensa/bits/setjmp.h create mode 100644 arch/xtensa/bits/signal.h create mode 100644 arch/xtensa/bits/stat.h create mode 100644 arch/xtensa/bits/stdint.h create mode 100644 arch/xtensa/bits/syscall.h create mode 100644 arch/xtensa/bits/termios.h create mode 100644 arch/xtensa/bits/user.h create mode 100644 arch/xtensa/bits/xtensa-config.h create mode 100644 arch/xtensa/crt_arch.h create mode 100644 arch/xtensa/pthread_arch.h create mode 100644 arch/xtensa/reloc.h create mode 100644 arch/xtensa/syscall_arch.h create mode 100644 crt/xtensa/crti.s create mode 100644 crt/xtensa/crtn.s create mode 100644 src/internal/xtensa/syscall.s create mode 100644 src/ldso/xtensa/tlsdesc.s create mode 100644 src/setjmp/xtensa/longjmp.s create mode 100644 src/setjmp/xtensa/setjmp.s create mode 100644 src/signal/xtensa/restore.s create mode 100644 src/signal/xtensa/sigsetjmp.s create mode 100644 src/signal/xtensa/windowspill.s create mode 100644 src/thread/xtensa/__set_thread_area.s create mode 100644 src/thread/xtensa/__unmapself.s create mode 100644 src/thread/xtensa/clone.s create mode 100644 src/thread/xtensa/syscall_cp.s diff --git a/arch/xtensa/atomic_arch.h b/arch/xtensa/atomic_arch.h new file mode 100644 index 0000000..476814b --- /dev/null +++ b/arch/xtensa/atomic_arch.h @@ -0,0 +1,30 @@ +#ifndef _INTERNAL_ATOMIC_H +#define _INTERNAL_ATOMIC_H + +#include + +#define a_cas a_cas +static inline int a_cas(volatile int *p, int t, int s) +{ + __asm__ __volatile__( + " wsr %1, scompare1\n" + " s32c1i %0, %2, 0\n" + : "+a"(s) + : "a"(t), "a"(p) + : "memory" ); + return s; +} + +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("memw" : : : "memory"); +} + +#define a_crash a_crash +static inline void a_crash() +{ + __asm__ __volatile__ ("ill" : : : "memory"); +} + +#endif diff --git a/arch/xtensa/bits/alltypes.h.in b/arch/xtensa/bits/alltypes.h.in new file mode 100644 index 0000000..1e2a8c1 --- /dev/null +++ b/arch/xtensa/bits/alltypes.h.in @@ -0,0 +1,30 @@ +#define _Addr int +#define _Int64 long long +#define _Reg int + +TYPEDEF __builtin_va_list va_list; +TYPEDEF __builtin_va_list __isoc_va_list; + +#ifndef __cplusplus +#ifdef __WCHAR_TYPE__ +TYPEDEF __WCHAR_TYPE__ wchar_t; +#else +TYPEDEF unsigned wchar_t; +#endif +#endif + +TYPEDEF float float_t; +TYPEDEF double double_t; + +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; + +TYPEDEF long time_t; +TYPEDEF long suseconds_t; + +TYPEDEF struct { union { int __i[9]; volatile int __vi[9]; unsigned __s[9]; } __u; } pthread_attr_t; +TYPEDEF struct { union { int __i[6]; volatile int __vi[6]; volatile void *volatile __p[6]; } __u; } pthread_mutex_t; +TYPEDEF struct { union { int __i[6]; volatile int __vi[6]; volatile void *volatile __p[6]; } __u; } mtx_t; +TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[12]; } __u; } pthread_cond_t; +TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[12]; } __u; } cnd_t; +TYPEDEF struct { union { int __i[8]; volatile int __vi[8]; void *__p[8]; } __u; } pthread_rwlock_t; +TYPEDEF struct { union { int __i[5]; volatile int __vi[5]; void *__p[5]; } __u; } pthread_barrier_t; diff --git a/arch/xtensa/bits/endian.h b/arch/xtensa/bits/endian.h new file mode 100644 index 0000000..d719907 --- /dev/null +++ b/arch/xtensa/bits/endian.h @@ -0,0 +1,7 @@ +#if __XTENSA_EB__ +#define __BYTE_ORDER __BIG_ENDIAN +#elif __XTENSA_EL__ +#define __BYTE_ORDER __LITTLE_ENDIAN +#else +#error Unknown endianness +#endif diff --git a/arch/xtensa/bits/float.h b/arch/xtensa/bits/float.h new file mode 100644 index 0000000..c4a655e --- /dev/null +++ b/arch/xtensa/bits/float.h @@ -0,0 +1,16 @@ +#define FLT_EVAL_METHOD 0 + +#define LDBL_TRUE_MIN 4.94065645841246544177e-324L +#define LDBL_MIN 2.22507385850720138309e-308L +#define LDBL_MAX 1.79769313486231570815e+308L +#define LDBL_EPSILON 2.22044604925031308085e-16L + +#define LDBL_MANT_DIG 53 +#define LDBL_MIN_EXP (-1021) +#define LDBL_MAX_EXP 1024 + +#define LDBL_DIG 15 +#define LDBL_MIN_10_EXP (-307) +#define LDBL_MAX_10_EXP 308 + +#define DECIMAL_DIG 17 diff --git a/arch/xtensa/bits/ioctl.h b/arch/xtensa/bits/ioctl.h new file mode 100644 index 0000000..e1ab80e --- /dev/null +++ b/arch/xtensa/bits/ioctl.h @@ -0,0 +1,227 @@ +#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) +#define _IOC_NONE 0U +#define _IOC_READ 2U +#define _IOC_WRITE 1U + +#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) +#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) +#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) +#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) + +#define FIOCLEX _IO('f', 1) +#define FIONCLEX _IO('f', 2) +#define FIOASYNC _IOW('f', 125, int) +#define FIONBIO _IOW('f', 126, int) +#define FIONREAD _IOR('f', 127, int) +#define TIOCINQ FIONREAD +#define FIOQSIZE _IOR('f', 128, loff_t) + +#define TCGETS 0x5401 +#define TCSETS 0x5402 +#define TCSETSW 0x5403 +#define TCSETSF 0x5404 + +#define TCGETA 0x80127417 /* _IOR('t', 23, struct termio) */ +#define TCSETA 0x40127418 /* _IOW('t', 24, struct termio) */ +#define TCSETAW 0x40127419 /* _IOW('t', 25, struct termio) */ +#define TCSETAF 0x4012741C /* _IOW('t', 28, struct termio) */ + +#define TCSBRK _IO('t', 29) +#define TCXONC _IO('t', 30) +#define TCFLSH _IO('t', 31) + +#define TIOCSWINSZ 0x40087467 /* _IOW('t', 103, struct winsize) */ +#define TIOCGWINSZ 0x80087468 /* _IOR('t', 104, struct winsize) */ +#define TIOCSTART _IO('t', 110) /* start output, like ^Q */ +#define TIOCSTOP _IO('t', 111) /* stop output, like ^S */ +#define TIOCOUTQ _IOR('t', 115, int) /* output queue size */ + +#define TIOCSPGRP _IOW('t', 118, int) +#define TIOCGPGRP _IOR('t', 119, int) + +#define TIOCEXCL _IO('T', 12) +#define TIOCNXCL _IO('T', 13) +#define TIOCSCTTY _IO('T', 14) + +#define TIOCSTI _IOW('T', 18, char) +#define TIOCMGET _IOR('T', 21, unsigned int) +#define TIOCMBIS _IOW('T', 22, unsigned int) +#define TIOCMBIC _IOW('T', 23, unsigned int) +#define TIOCMSET _IOW('T', 24, unsigned int) +# define TIOCM_LE 0x001 +# define TIOCM_DTR 0x002 +# define TIOCM_RTS 0x004 +# define TIOCM_ST 0x008 +# define TIOCM_SR 0x010 +# define TIOCM_CTS 0x020 +# define TIOCM_CAR 0x040 +# define TIOCM_RNG 0x080 +# define TIOCM_DSR 0x100 +# define TIOCM_CD TIOCM_CAR +# define TIOCM_RI TIOCM_RNG + +#define TIOCGSOFTCAR _IOR('T', 25, unsigned int) +#define TIOCSSOFTCAR _IOW('T', 26, unsigned int) +#define TIOCLINUX _IOW('T', 28, char) +#define TIOCCONS _IO('T', 29) +#define TIOCGSERIAL 0x803C541E /*_IOR('T', 30, struct serial_struct)*/ +#define TIOCSSERIAL 0x403C541F /*_IOW('T', 31, struct serial_struct)*/ +#define TIOCPKT _IOW('T', 32, int) +# define TIOCPKT_DATA 0 +# define TIOCPKT_FLUSHREAD 1 +# define TIOCPKT_FLUSHWRITE 2 +# define TIOCPKT_STOP 4 +# define TIOCPKT_START 8 +# define TIOCPKT_NOSTOP 16 +# define TIOCPKT_DOSTOP 32 +# define TIOCPKT_IOCTL 64 + + +#define TIOCNOTTY _IO('T', 34) +#define TIOCSETD _IOW('T', 35, int) +#define TIOCGETD _IOR('T', 36, int) +#define TCSBRKP _IOW('T', 37, int) /* Needed for POSIX tcsendbreak()*/ +#define TIOCSBRK _IO('T', 39) /* BSD compatibility */ +#define TIOCCBRK _IO('T', 40) /* BSD compatibility */ +#define TIOCGSID _IOR('T', 41, pid_t) /* Return the session ID of FD*/ +#define TCGETS2 _IOR('T', 42, struct termios2) +#define TCSETS2 _IOW('T', 43, struct termios2) +#define TCSETSW2 _IOW('T', 44, struct termios2) +#define TCSETSF2 _IOW('T', 45, struct termios2) +#define TIOCGRS485 _IOR('T', 46, struct serial_rs485) +#define TIOCSRS485 _IOWR('T', 47, struct serial_rs485) +#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ +#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ +#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ +#define TIOCVHANGUP _IO('T', 0x37) +#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ +#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ +#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ + +#define TIOCSERCONFIG _IO('T', 83) +#define TIOCSERGWILD _IOR('T', 84, int) +#define TIOCSERSWILD _IOW('T', 85, int) +#define TIOCGLCKTRMIOS 0x5456 +#define TIOCSLCKTRMIOS 0x5457 +#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ +#define TIOCSERGETLSR _IOR('T', 89, unsigned int) /* Get line status reg. */ + /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ +# define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#define TIOCSERGETMULTI 0x80a8545a /* Get multiport config */ + /* _IOR('T', 90, struct serial_multiport_struct) */ +#define TIOCSERSETMULTI 0x40a8545b /* Set multiport config */ + /* _IOW('T', 91, struct serial_multiport_struct) */ + +#define TIOCMIWAIT _IO('T', 92) /* wait for a change on serial input line(s) */ +#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 +#define TIOCM_MODEM_BITS TIOCM_OUT2 + +#define N_TTY 0 +#define N_SLIP 1 +#define N_MOUSE 2 +#define N_PPP 3 +#define N_STRIP 4 +#define N_AX25 5 +#define N_X25 6 +#define N_6PACK 7 +#define N_MASC 8 +#define N_R3964 9 +#define N_PROFIBUS_FDL 10 +#define N_IRDA 11 +#define N_SMSBLOCK 12 +#define N_HDLC 13 +#define N_SYNC_PPP 14 +#define N_HCI 15 + +#define FIOGETOWN _IOR('f', 123, int) +#define FIOSETOWN _IOW('f', 124, int) +#define SIOCATMARK _IOR('s', 7, int) +#define SIOCSPGRP _IOW('s', 8, pid_t) +#define SIOCGPGRP _IOR('s', 9, pid_t) +#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ +#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ + +#define SIOCADDRT 0x890B +#define SIOCDELRT 0x890C +#define SIOCRTMSG 0x890D + +#define SIOCGIFNAME 0x8910 +#define SIOCSIFLINK 0x8911 +#define SIOCGIFCONF 0x8912 +#define SIOCGIFFLAGS 0x8913 +#define SIOCSIFFLAGS 0x8914 +#define SIOCGIFADDR 0x8915 +#define SIOCSIFADDR 0x8916 +#define SIOCGIFDSTADDR 0x8917 +#define SIOCSIFDSTADDR 0x8918 +#define SIOCGIFBRDADDR 0x8919 +#define SIOCSIFBRDADDR 0x891a +#define SIOCGIFNETMASK 0x891b +#define SIOCSIFNETMASK 0x891c +#define SIOCGIFMETRIC 0x891d +#define SIOCSIFMETRIC 0x891e +#define SIOCGIFMEM 0x891f +#define SIOCSIFMEM 0x8920 +#define SIOCGIFMTU 0x8921 +#define SIOCSIFMTU 0x8922 +#define SIOCSIFHWADDR 0x8924 +#define SIOCGIFENCAP 0x8925 +#define SIOCSIFENCAP 0x8926 +#define SIOCGIFHWADDR 0x8927 +#define SIOCGIFSLAVE 0x8929 +#define SIOCSIFSLAVE 0x8930 +#define SIOCADDMULTI 0x8931 +#define SIOCDELMULTI 0x8932 +#define SIOCGIFINDEX 0x8933 +#define SIOGIFINDEX SIOCGIFINDEX +#define SIOCSIFPFLAGS 0x8934 +#define SIOCGIFPFLAGS 0x8935 +#define SIOCDIFADDR 0x8936 +#define SIOCSIFHWBROADCAST 0x8937 +#define SIOCGIFCOUNT 0x8938 + +#define SIOCGIFBR 0x8940 +#define SIOCSIFBR 0x8941 + +#define SIOCGIFTXQLEN 0x8942 +#define SIOCSIFTXQLEN 0x8943 + +#define SIOCDARP 0x8953 +#define SIOCGARP 0x8954 +#define SIOCSARP 0x8955 + +#define SIOCDRARP 0x8960 +#define SIOCGRARP 0x8961 +#define SIOCSRARP 0x8962 + +#define SIOCGIFMAP 0x8970 +#define SIOCSIFMAP 0x8971 + +#define SIOCADDDLCI 0x8980 +#define SIOCDELDLCI 0x8981 + +#define SIOCDEVPRIVATE 0x89F0 +#define SIOCPROTOPRIVATE 0x89E0 diff --git a/arch/xtensa/bits/limits.h b/arch/xtensa/bits/limits.h new file mode 100644 index 0000000..fbc6d23 --- /dev/null +++ b/arch/xtensa/bits/limits.h @@ -0,0 +1,7 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define LONG_BIT 32 +#endif + +#define LONG_MAX 0x7fffffffL +#define LLONG_MAX 0x7fffffffffffffffLL diff --git a/arch/xtensa/bits/mman.h b/arch/xtensa/bits/mman.h new file mode 100644 index 0000000..3125fc2 --- /dev/null +++ b/arch/xtensa/bits/mman.h @@ -0,0 +1,57 @@ +#define MAP_FAILED ((void *) -1) + +#define PROT_NONE 0 +#define PROT_READ 1 +#define PROT_WRITE 2 +#define PROT_EXEC 4 +#define PROT_GROWSDOWN 0x01000000 +#define PROT_GROWSUP 0x02000000 + +#define MAP_SHARED 0x01 +#define MAP_PRIVATE 0x02 +#define MAP_FIXED 0x10 + +#define MAP_TYPE 0x0f +#define MAP_FILE 0x00 +#define MAP_ANON 0x800 +#define MAP_ANONYMOUS MAP_ANON +#define MAP_NORESERVE 0x0400 +#define MAP_GROWSDOWN 0x1000 +#define MAP_DENYWRITE 0x2000 +#define MAP_EXECUTABLE 0x4000 +#define MAP_LOCKED 0x8000 +#define MAP_POPULATE 0x10000 +#define MAP_NONBLOCK 0x20000 +#define MAP_STACK 0x40000 +#define MAP_HUGETLB 0x80000 + +#define POSIX_MADV_NORMAL 0 +#define POSIX_MADV_RANDOM 1 +#define POSIX_MADV_SEQUENTIAL 2 +#define POSIX_MADV_WILLNEED 3 +#define POSIX_MADV_DONTNEED 0 + +#define MS_ASYNC 1 +#define MS_INVALIDATE 2 +#define MS_SYNC 4 + +#define MCL_CURRENT 1 +#define MCL_FUTURE 2 + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define MADV_NORMAL 0 +#define MADV_RANDOM 1 +#define MADV_SEQUENTIAL 2 +#define MADV_WILLNEED 3 +#define MADV_DONTNEED 4 +#define MADV_REMOVE 9 +#define MADV_DONTFORK 10 +#define MADV_DOFORK 11 +#define MADV_MERGEABLE 12 +#define MADV_UNMERGEABLE 13 +#define MADV_HUGEPAGE 14 +#define MADV_NOHUGEPAGE 15 +#define MADV_DONTDUMP 16 +#define MADV_DODUMP 17 +#define MADV_HWPOISON 100 +#endif diff --git a/arch/xtensa/bits/posix.h b/arch/xtensa/bits/posix.h new file mode 100644 index 0000000..30a3871 --- /dev/null +++ b/arch/xtensa/bits/posix.h @@ -0,0 +1,2 @@ +#define _POSIX_V6_ILP32_OFFBIG 1 +#define _POSIX_V7_ILP32_OFFBIG 1 diff --git a/arch/xtensa/bits/reg.h b/arch/xtensa/bits/reg.h new file mode 100644 index 0000000..0192a29 --- /dev/null +++ b/arch/xtensa/bits/reg.h @@ -0,0 +1,2 @@ +#undef __WORDSIZE +#define __WORDSIZE 32 diff --git a/arch/xtensa/bits/setjmp.h b/arch/xtensa/bits/setjmp.h new file mode 100644 index 0000000..b2bd974 --- /dev/null +++ b/arch/xtensa/bits/setjmp.h @@ -0,0 +1 @@ +typedef unsigned long __jmp_buf[18]; diff --git a/arch/xtensa/bits/signal.h b/arch/xtensa/bits/signal.h new file mode 100644 index 0000000..545ffd3 --- /dev/null +++ b/arch/xtensa/bits/signal.h @@ -0,0 +1,88 @@ +#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 struct sigcontext +{ + unsigned long sc_pc; + unsigned long sc_ps; + unsigned long sc_lbeg; + unsigned long sc_lend; + unsigned long sc_lcount; + unsigned long sc_sar; + unsigned long sc_acclo; + unsigned long sc_acchi; + unsigned long sc_a[16]; + void *sc_xtregs; +} mcontext_t; + +struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +}; + +typedef struct __ucontext { + unsigned long uc_flags; + struct __ucontext *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + sigset_t uc_sigmask; +} ucontext_t; + +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#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 6 +#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 SIGLOST 29 */ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +#define _NSIG 64 diff --git a/arch/xtensa/bits/stat.h b/arch/xtensa/bits/stat.h new file mode 100644 index 0000000..24231f8 --- /dev/null +++ b/arch/xtensa/bits/stat.h @@ -0,0 +1,21 @@ +/* copied from kernel definition, but with padding replaced + * by the corresponding correctly-sized userspace types. */ + +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; + off_t st_size; + blksize_t st_blksize; + long __st_padding1; + blkcnt_t st_blocks; + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + long __st_padding2[2]; +}; diff --git a/arch/xtensa/bits/stdint.h b/arch/xtensa/bits/stdint.h new file mode 100644 index 0000000..d1b2712 --- /dev/null +++ b/arch/xtensa/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/xtensa/bits/syscall.h b/arch/xtensa/bits/syscall.h new file mode 100644 index 0000000..df8c2ab --- /dev/null +++ b/arch/xtensa/bits/syscall.h @@ -0,0 +1,679 @@ +#define __NR_spill 0 +#define __NR_xtensa 1 +#define __NR_available4 2 +#define __NR_available5 3 +#define __NR_available6 4 +#define __NR_available7 5 +#define __NR_available8 6 +#define __NR_available9 7 +#define __NR_open 8 +#define __NR_close 9 +#define __NR_dup 10 +#define __NR_dup2 11 +#define __NR_read 12 +#define __NR_write 13 +#define __NR_select 14 +#define __NR_lseek 15 +#define __NR_poll 16 +#define __NR__llseek 17 +#define __NR_epoll_wait 18 +#define __NR_epoll_ctl 19 +#define __NR_epoll_create 20 +#define __NR_creat 21 +#define __NR_truncate 22 +#define __NR_ftruncate 23 +#define __NR_readv 24 +#define __NR_writev 25 +#define __NR_fsync 26 +#define __NR_fdatasync 27 +#define __NR_truncate64 28 +#define __NR_ftruncate64 29 +#define __NR_pread64 30 +#define __NR_pwrite64 31 +#define __NR_link 32 +#define __NR_rename 33 +#define __NR_symlink 34 +#define __NR_readlink 35 +#define __NR_mknod 36 +#define __NR_pipe 37 +#define __NR_unlink 38 +#define __NR_rmdir 39 +#define __NR_mkdir 40 +#define __NR_chdir 41 +#define __NR_fchdir 42 +#define __NR_getcwd 43 +#define __NR_chmod 44 +#define __NR_chown 45 +#define __NR_stat 46 +#define __NR_stat64 47 +#define __NR_lchown 48 +#define __NR_lstat 49 +#define __NR_lstat64 50 +#define __NR_available51 51 +#define __NR_fchmod 52 +#define __NR_fchown 53 +#define __NR_fstat 54 +#define __NR_fstat64 55 +#define __NR_flock 56 +#define __NR_access 57 +#define __NR_umask 58 +#define __NR_getdents 59 +#define __NR_getdents64 60 +#define __NR_fcntl64 61 +#define __NR_fallocate 62 +#define __NR_fadvise64_64 63 +#define __NR_utime 64 /* glibc 2.3.3 ?? */ +#define __NR_utimes 65 +#define __NR_ioctl 66 +#define __NR_fcntl 67 +#define __NR_setxattr 68 +#define __NR_getxattr 69 +#define __NR_listxattr 70 +#define __NR_removexattr 71 +#define __NR_lsetxattr 72 +#define __NR_lgetxattr 73 +#define __NR_llistxattr 74 +#define __NR_lremovexattr 75 +#define __NR_fsetxattr 76 +#define __NR_fgetxattr 77 +#define __NR_flistxattr 78 +#define __NR_fremovexattr 79 +#define __NR_mmap2 80 +#define __NR_munmap 81 +#define __NR_mprotect 82 +#define __NR_brk 83 +#define __NR_mlock 84 +#define __NR_munlock 85 +#define __NR_mlockall 86 +#define __NR_munlockall 87 +#define __NR_mremap 88 +#define __NR_msync 89 +#define __NR_mincore 90 +#define __NR_madvise 91 +#define __NR_shmget 92 +#define __NR_shmat 93 +#define __NR_shmctl 94 +#define __NR_shmdt 95 +#define __NR_socket 96 +#define __NR_setsockopt 97 +#define __NR_getsockopt 98 +#define __NR_shutdown 99 +#define __NR_bind 100 +#define __NR_connect 101 +#define __NR_listen 102 +#define __NR_accept 103 +#define __NR_getsockname 104 +#define __NR_getpeername 105 +#define __NR_sendmsg 106 +#define __NR_recvmsg 107 +#define __NR_send 108 +#define __NR_recv 109 +#define __NR_sendto 110 +#define __NR_recvfrom 111 +#define __NR_socketpair 112 +#define __NR_sendfile 113 +#define __NR_sendfile64 114 +#define __NR_sendmmsg 115 +#define __NR_clone 116 +#define __NR_execve 117 +#define __NR_exit 118 +#define __NR_exit_group 119 +#define __NR_getpid 120 +#define __NR_wait4 121 +#define __NR_waitid 122 +#define __NR_kill 123 +#define __NR_tkill 124 +#define __NR_tgkill 125 +#define __NR_set_tid_address 126 +#define __NR_gettid 127 +#define __NR_setsid 128 +#define __NR_getsid 129 +#define __NR_prctl 130 +#define __NR_personality 131 +#define __NR_getpriority 132 +#define __NR_setpriority 133 +#define __NR_setitimer 134 +#define __NR_getitimer 135 +#define __NR_setuid 136 +#define __NR_getuid 137 +#define __NR_setgid 138 +#define __NR_getgid 139 +#define __NR_geteuid 140 +#define __NR_getegid 141 +#define __NR_setreuid 142 +#define __NR_setregid 143 +#define __NR_setresuid 144 +#define __NR_getresuid 145 +#define __NR_setresgid 146 +#define __NR_getresgid 147 +#define __NR_setpgid 148 +#define __NR_getpgid 149 +#define __NR_getppid 150 +#define __NR_getpgrp 151 +#define __NR_reserved152 152 /* set_thread_area */ +#define __NR_reserved153 153 /* get_thread_area */ +#define __NR_times 154 +#define __NR_acct 155 +#define __NR_sched_setaffinity 156 +#define __NR_sched_getaffinity 157 +#define __NR_capget 158 +#define __NR_capset 159 +#define __NR_ptrace 160 +#define __NR_semtimedop 161 +#define __NR_semget 162 +#define __NR_semop 163 +#define __NR_semctl 164 +#define __NR_available165 165 +#define __NR_msgget 166 +#define __NR_msgsnd 167 +#define __NR_msgrcv 168 +#define __NR_msgctl 169 +#define __NR_available170 170 +#define __NR_umount2 171 +#define __NR_mount 172 +#define __NR_swapon 173 +#define __NR_chroot 174 +#define __NR_pivot_root 175 +#define __NR_umount 176 +#define __NR_swapoff 177 +#define __NR_sync 178 +#define __NR_syncfs 179 +#define __NR_setfsuid 180 +#define __NR_setfsgid 181 +#define __NR_sysfs 182 +#define __NR_ustat 183 +#define __NR_statfs 184 +#define __NR_fstatfs 185 +#define __NR_statfs64 186 +#define __NR_fstatfs64 187 +#define __NR_setrlimit 188 +#define __NR_getrlimit 189 +#define __NR_getrusage 190 +#define __NR_futex 191 +#define __NR_gettimeofday 192 +#define __NR_settimeofday 193 +#define __NR_adjtimex 194 +#define __NR_nanosleep 195 +#define __NR_getgroups 196 +#define __NR_setgroups 197 +#define __NR_sethostname 198 +#define __NR_setdomainname 199 +#define __NR_syslog 200 +#define __NR_vhangup 201 +#define __NR_uselib 202 +#define __NR_reboot 203 +#define __NR_quotactl 204 +#define __NR_nfsservctl 205 +#define __NR__sysctl 206 +#define __NR_bdflush 207 +#define __NR_uname 208 +#define __NR_sysinfo 209 +#define __NR_init_module 210 +#define __NR_delete_module 211 +#define __NR_sched_setparam 212 +#define __NR_sched_getparam 213 +#define __NR_sched_setscheduler 214 +#define __NR_sched_getscheduler 215 +#define __NR_sched_get_priority_max 216 +#define __NR_sched_get_priority_min 217 +#define __NR_sched_rr_get_interval 218 +#define __NR_sched_yield 219 +#define __NR_available222 222 +#define __NR_restart_syscall 223 +#define __NR_sigaltstack 224 +#define __NR_rt_sigreturn 225 +#define __NR_rt_sigaction 226 +#define __NR_rt_sigprocmask 227 +#define __NR_rt_sigpending 228 +#define __NR_rt_sigtimedwait 229 +#define __NR_rt_sigqueueinfo 230 +#define __NR_rt_sigsuspend 231 +#define __NR_mq_open 232 +#define __NR_mq_unlink 233 +#define __NR_mq_timedsend 234 +#define __NR_mq_timedreceive 235 +#define __NR_mq_notify 236 +#define __NR_mq_getsetattr 237 +#define __NR_available238 238 +#define __NR_io_setup 239 +#define __NR_io_destroy 240 +#define __NR_io_submit 241 +#define __NR_io_getevents 242 +#define __NR_io_cancel 243 +#define __NR_clock_settime 244 +#define __NR_clock_gettime 245 +#define __NR_clock_getres 246 +#define __NR_clock_nanosleep 247 +#define __NR_timer_create 248 +#define __NR_timer_delete 249 +#define __NR_timer_settime 250 +#define __NR_timer_gettime 251 +#define __NR_timer_getoverrun 252 +#define __NR_reserved253 253 +#define __NR_lookup_dcookie 254 +#define __NR_available255 255 +#define __NR_add_key 256 +#define __NR_request_key 257 +#define __NR_keyctl 258 +#define __NR_available259 259 +#define __NR_readahead 260 +#define __NR_remap_file_pages 261 +#define __NR_migrate_pages 262 +#define __NR_mbind 263 +#define __NR_get_mempolicy 264 +#define __NR_set_mempolicy 265 +#define __NR_unshare 266 +#define __NR_move_pages 267 +#define __NR_splice 268 +#define __NR_tee 269 +#define __NR_vmsplice 270 +#define __NR_available271 271 +#define __NR_pselect6 272 +#define __NR_ppoll 273 +#define __NR_epoll_pwait 274 +#define __NR_epoll_create1 275 +#define __NR_inotify_init 276 +#define __NR_inotify_add_watch 277 +#define __NR_inotify_rm_watch 278 +#define __NR_inotify_init1 279 +#define __NR_getcpu 280 +#define __NR_kexec_load 281 +#define __NR_ioprio_set 282 +#define __NR_ioprio_get 283 +#define __NR_set_robust_list 284 +#define __NR_get_robust_list 285 +#define __NR_available286 286 +#define __NR_available287 287 +#define __NR_openat 288 +#define __NR_mkdirat 289 +#define __NR_mknodat 290 +#define __NR_unlinkat 291 +#define __NR_renameat 292 +#define __NR_linkat 293 +#define __NR_symlinkat 294 +#define __NR_readlinkat 295 +#define __NR_utimensat 296 +#define __NR_fchownat 297 +#define __NR_futimesat 298 +#define __NR_fstatat64 299 +#define __NR_fchmodat 300 +#define __NR_faccessat 301 +#define __NR_available302 302 +#define __NR_available303 303 +#define __NR_signalfd 304 +#define __NR_eventfd 306 +#define __NR_recvmmsg 307 +#define __NR_setns 308 +#define __NR_signalfd4 309 +#define __NR_dup3 310 +#define __NR_pipe2 311 +#define __NR_timerfd_create 312 +#define __NR_timerfd_settime 313 +#define __NR_timerfd_gettime 314 +#define __NR_available315 315 +#define __NR_eventfd2 316 +#define __NR_preadv 317 +#define __NR_pwritev 318 +#define __NR_available319 319 +#define __NR_fanotify_init 320 +#define __NR_fanotify_mark 321 +#define __NR_process_vm_readv 322 +#define __NR_process_vm_writev 323 +#define __NR_name_to_handle_at 324 +#define __NR_open_by_handle_at 325 +#define __NR_sync_file_range2 326 +#define __NR_perf_event_open 327 +#define __NR_rt_tgsigqueueinfo 328 +#define __NR_clock_adjtime 329 +#define __NR_prlimit64 330 +#define __NR_kcmp 331 +#define __NR_finit_module 332 +#define __NR_accept4 333 +#define __NR_sched_setattr 334 +#define __NR_sched_getattr 335 +#define __NR_renameat2 336 +#define __NR_seccomp 337 +#define __NR_getrandom 338 +#define __NR_memfd_create 339 +#define __NR_bpf 340 +#define __NR_execveat 341 + +#define SYS_spill 0 +#define SYS_xtensa 1 +#define SYS_available4 2 +#define SYS_available5 3 +#define SYS_available6 4 +#define SYS_available7 5 +#define SYS_available8 6 +#define SYS_available9 7 +#define SYS_open 8 +#define SYS_close 9 +#define SYS_dup 10 +#define SYS_dup2 11 +#define SYS_read 12 +#define SYS_write 13 +#define SYS_select 14 +#define SYS_lseek 15 +#define SYS_poll 16 +#define SYS__llseek 17 +#define SYS_epoll_wait 18 +#define SYS_epoll_ctl 19 +#define SYS_epoll_create 20 +#define SYS_creat 21 +#define SYS_truncate 22 +#define SYS_ftruncate 23 +#define SYS_readv 24 +#define SYS_writev 25 +#define SYS_fsync 26 +#define SYS_fdatasync 27 +#define SYS_truncate64 28 +#define SYS_ftruncate64 29 +#define SYS_pread64 30 +#define SYS_pwrite64 31 +#define SYS_link 32 +#define SYS_rename 33 +#define SYS_symlink 34 +#define SYS_readlink 35 +#define SYS_mknod 36 +#define SYS_pipe 37 +#define SYS_unlink 38 +#define SYS_rmdir 39 +#define SYS_mkdir 40 +#define SYS_chdir 41 +#define SYS_fchdir 42 +#define SYS_getcwd 43 +#define SYS_chmod 44 +#define SYS_chown 45 +#define SYS_stat 46 +#define SYS_stat64 47 +#define SYS_lchown 48 +#define SYS_lstat 49 +#define SYS_lstat64 50 +#define SYS_available51 51 +#define SYS_fchmod 52 +#define SYS_fchown 53 +#define SYS_fstat 54 +#define SYS_fstat64 55 +#define SYS_flock 56 +#define SYS_access 57 +#define SYS_umask 58 +#define SYS_getdents 59 +#define SYS_getdents64 60 +#define SYS_fcntl64 61 +#define SYS_fallocate 62 +#define SYS_fadvise64_64 63 +#define SYS_utime 64 /* glibc 2.3.3 ?? */ +#define SYS_utimes 65 +#define SYS_ioctl 66 +#define SYS_fcntl 67 +#define SYS_setxattr 68 +#define SYS_getxattr 69 +#define SYS_listxattr 70 +#define SYS_removexattr 71 +#define SYS_lsetxattr 72 +#define SYS_lgetxattr 73 +#define SYS_llistxattr 74 +#define SYS_lremovexattr 75 +#define SYS_fsetxattr 76 +#define SYS_fgetxattr 77 +#define SYS_flistxattr 78 +#define SYS_fremovexattr 79 +#define SYS_mmap2 80 +#define SYS_munmap 81 +#define SYS_mprotect 82 +#define SYS_brk 83 +#define SYS_mlock 84 +#define SYS_munlock 85 +#define SYS_mlockall 86 +#define SYS_munlockall 87 +#define SYS_mremap 88 +#define SYS_msync 89 +#define SYS_mincore 90 +#define SYS_madvise 91 +#define SYS_shmget 92 +#define SYS_shmat 93 +#define SYS_shmctl 94 +#define SYS_shmdt 95 +#define SYS_socket 96 +#define SYS_setsockopt 97 +#define SYS_getsockopt 98 +#define SYS_shutdown 99 +#define SYS_bind 100 +#define SYS_connect 101 +#define SYS_listen 102 +#define SYS_accept 103 +#define SYS_getsockname 104 +#define SYS_getpeername 105 +#define SYS_sendmsg 106 +#define SYS_recvmsg 107 +#define SYS_send 108 +#define SYS_recv 109 +#define SYS_sendto 110 +#define SYS_recvfrom 111 +#define SYS_socketpair 112 +#define SYS_sendfile 113 +#define SYS_sendfile64 114 +#define SYS_sendmmsg 115 +#define SYS_clone 116 +#define SYS_execve 117 +#define SYS_exit 118 +#define SYS_exit_group 119 +#define SYS_getpid 120 +#define SYS_wait4 121 +#define SYS_waitid 122 +#define SYS_kill 123 +#define SYS_tkill 124 +#define SYS_tgkill 125 +#define SYS_set_tid_address 126 +#define SYS_gettid 127 +#define SYS_setsid 128 +#define SYS_getsid 129 +#define SYS_prctl 130 +#define SYS_personality 131 +#define SYS_getpriority 132 +#define SYS_setpriority 133 +#define SYS_setitimer 134 +#define SYS_getitimer 135 +#define SYS_setuid 136 +#define SYS_getuid 137 +#define SYS_setgid 138 +#define SYS_getgid 139 +#define SYS_geteuid 140 +#define SYS_getegid 141 +#define SYS_setreuid 142 +#define SYS_setregid 143 +#define SYS_setresuid 144 +#define SYS_getresuid 145 +#define SYS_setresgid 146 +#define SYS_getresgid 147 +#define SYS_setpgid 148 +#define SYS_getpgid 149 +#define SYS_getppid 150 +#define SYS_getpgrp 151 +#define SYS_reserved152 152 /* set_thread_area */ +#define SYS_reserved153 153 /* get_thread_area */ +#define SYS_times 154 +#define SYS_acct 155 +#define SYS_sched_setaffinity 156 +#define SYS_sched_getaffinity 157 +#define SYS_capget 158 +#define SYS_capset 159 +#define SYS_ptrace 160 +#define SYS_semtimedop 161 +#define SYS_semget 162 +#define SYS_semop 163 +#define SYS_semctl 164 +#define SYS_available165 165 +#define SYS_msgget 166 +#define SYS_msgsnd 167 +#define SYS_msgrcv 168 +#define SYS_msgctl 169 +#define SYS_available170 170 +#define SYS_umount2 171 +#define SYS_mount 172 +#define SYS_swapon 173 +#define SYS_chroot 174 +#define SYS_pivot_root 175 +#define SYS_umount 176 +#define SYS_swapoff 177 +#define SYS_sync 178 +#define SYS_syncfs 179 +#define SYS_setfsuid 180 +#define SYS_setfsgid 181 +#define SYS_sysfs 182 +#define SYS_ustat 183 +#define SYS_statfs 184 +#define SYS_fstatfs 185 +#define SYS_statfs64 186 +#define SYS_fstatfs64 187 +#define SYS_setrlimit 188 +#define SYS_getrlimit 189 +#define SYS_getrusage 190 +#define SYS_futex 191 +#define SYS_gettimeofday 192 +#define SYS_settimeofday 193 +#define SYS_adjtimex 194 +#define SYS_nanosleep 195 +#define SYS_getgroups 196 +#define SYS_setgroups 197 +#define SYS_sethostname 198 +#define SYS_setdomainname 199 +#define SYS_syslog 200 +#define SYS_vhangup 201 +#define SYS_uselib 202 +#define SYS_reboot 203 +#define SYS_quotactl 204 +#define SYS_nfsservctl 205 +#define SYS__sysctl 206 +#define SYS_bdflush 207 +#define SYS_uname 208 +#define SYS_sysinfo 209 +#define SYS_init_module 210 +#define SYS_delete_module 211 +#define SYS_sched_setparam 212 +#define SYS_sched_getparam 213 +#define SYS_sched_setscheduler 214 +#define SYS_sched_getscheduler 215 +#define SYS_sched_get_priority_max 216 +#define SYS_sched_get_priority_min 217 +#define SYS_sched_rr_get_interval 218 +#define SYS_sched_yield 219 +#define SYS_available222 222 +#define SYS_restart_syscall 223 +#define SYS_sigaltstack 224 +#define SYS_rt_sigreturn 225 +#define SYS_rt_sigaction 226 +#define SYS_rt_sigprocmask 227 +#define SYS_rt_sigpending 228 +#define SYS_rt_sigtimedwait 229 +#define SYS_rt_sigqueueinfo 230 +#define SYS_rt_sigsuspend 231 +#define SYS_mq_open 232 +#define SYS_mq_unlink 233 +#define SYS_mq_timedsend 234 +#define SYS_mq_timedreceive 235 +#define SYS_mq_notify 236 +#define SYS_mq_getsetattr 237 +#define SYS_available238 238 +#define SYS_io_setup 239 +#define SYS_io_destroy 240 +#define SYS_io_submit 241 +#define SYS_io_getevents 242 +#define SYS_io_cancel 243 +#define SYS_clock_settime 244 +#define SYS_clock_gettime 245 +#define SYS_clock_getres 246 +#define SYS_clock_nanosleep 247 +#define SYS_timer_create 248 +#define SYS_timer_delete 249 +#define SYS_timer_settime 250 +#define SYS_timer_gettime 251 +#define SYS_timer_getoverrun 252 +#define SYS_reserved253 253 +#define SYS_lookup_dcookie 254 +#define SYS_available255 255 +#define SYS_add_key 256 +#define SYS_request_key 257 +#define SYS_keyctl 258 +#define SYS_available259 259 +#define SYS_readahead 260 +#define SYS_remap_file_pages 261 +#define SYS_migrate_pages 262 +#define SYS_mbind 263 +#define SYS_get_mempolicy 264 +#define SYS_set_mempolicy 265 +#define SYS_unshare 266 +#define SYS_move_pages 267 +#define SYS_splice 268 +#define SYS_tee 269 +#define SYS_vmsplice 270 +#define SYS_available271 271 +#define SYS_pselect6 272 +#define SYS_ppoll 273 +#define SYS_epoll_pwait 274 +#define SYS_epoll_create1 275 +#define SYS_inotify_init 276 +#define SYS_inotify_add_watch 277 +#define SYS_inotify_rm_watch 278 +#define SYS_inotify_init1 279 +#define SYS_getcpu 280 +#define SYS_kexec_load 281 +#define SYS_ioprio_set 282 +#define SYS_ioprio_get 283 +#define SYS_set_robust_list 284 +#define SYS_get_robust_list 285 +#define SYS_available286 286 +#define SYS_available287 287 +#define SYS_openat 288 +#define SYS_mkdirat 289 +#define SYS_mknodat 290 +#define SYS_unlinkat 291 +#define SYS_renameat 292 +#define SYS_linkat 293 +#define SYS_symlinkat 294 +#define SYS_readlinkat 295 +#define SYS_utimensat 296 +#define SYS_fchownat 297 +#define SYS_futimesat 298 +#define SYS_fstatat64 299 +#define SYS_fchmodat 300 +#define SYS_faccessat 301 +#define SYS_available302 302 +#define SYS_available303 303 +#define SYS_signalfd 304 +#define SYS_eventfd 306 +#define SYS_recvmmsg 307 +#define SYS_setns 308 +#define SYS_signalfd4 309 +#define SYS_dup3 310 +#define SYS_pipe2 311 +#define SYS_timerfd_create 312 +#define SYS_timerfd_settime 313 +#define SYS_timerfd_gettime 314 +#define SYS_available315 315 +#define SYS_eventfd2 316 +#define SYS_preadv 317 +#define SYS_pwritev 318 +#define SYS_available319 319 +#define SYS_fanotify_init 320 +#define SYS_fanotify_mark 321 +#define SYS_process_vm_readv 322 +#define SYS_process_vm_writev 323 +#define SYS_name_to_handle_at 324 +#define SYS_open_by_handle_at 325 +#define SYS_sync_file_range2 326 +#define SYS_perf_event_open 327 +#define SYS_rt_tgsigqueueinfo 328 +#define SYS_clock_adjtime 329 +#define SYS_prlimit64 330 +#define SYS_kcmp 331 +#define SYS_finit_module 332 +#define SYS_accept4 333 +#define SYS_sched_setattr 334 +#define SYS_sched_getattr 335 +#define SYS_renameat2 336 +#define SYS_seccomp 337 +#define SYS_getrandom 338 +#define SYS_memfd_create 339 +#define SYS_bpf 340 +#define SYS_execveat 341 diff --git a/arch/xtensa/bits/termios.h b/arch/xtensa/bits/termios.h new file mode 100644 index 0000000..f1b32e0 --- /dev/null +++ b/arch/xtensa/bits/termios.h @@ -0,0 +1,168 @@ +struct termios +{ + tcflag_t c_iflag; + tcflag_t c_oflag; + tcflag_t c_cflag; + tcflag_t c_lflag; + cc_t c_line; + cc_t c_cc[NCCS]; + speed_t __c_ispeed; + speed_t __c_ospeed; +}; + +#define VINTR 0 +#define VQUIT 1 +#define VERASE 2 +#define VKILL 3 +#define VEOF 4 +#define VTIME 5 +#define VMIN 6 +#define VSWTC 7 +#define VSTART 8 +#define VSTOP 9 +#define VSUSP 10 +#define VEOL 11 +#define VREPRINT 12 +#define VDISCARD 13 +#define VWERASE 14 +#define VLNEXT 15 +#define VEOL2 16 + +#define IGNBRK 0000001 +#define BRKINT 0000002 +#define IGNPAR 0000004 +#define PARMRK 0000010 +#define INPCK 0000020 +#define ISTRIP 0000040 +#define INLCR 0000100 +#define IGNCR 0000200 +#define ICRNL 0000400 +#define IUCLC 0001000 +#define IXON 0002000 +#define IXANY 0004000 +#define IXOFF 0010000 +#define IMAXBEL 0020000 +#define IUTF8 0040000 + +#define OPOST 0000001 +#define OLCUC 0000002 +#define ONLCR 0000004 +#define OCRNL 0000010 +#define ONOCR 0000020 +#define ONLRET 0000040 +#define OFILL 0000100 +#define OFDEL 0000200 +#define NLDLY 0000400 +#define NL0 0000000 +#define NL1 0000400 +#define CRDLY 0003000 +#define CR0 0000000 +#define CR1 0001000 +#define CR2 0002000 +#define CR3 0003000 +#define TABDLY 0014000 +#define TAB0 0000000 +#define TAB1 0004000 +#define TAB2 0010000 +#define TAB3 0014000 +#define XTABS 0014000 +#define BSDLY 0020000 +#define BS0 0000000 +#define BS1 0020000 +#define VTDLY 0040000 +#define VT0 0000000 +#define VT1 0040000 +#define FFDLY 0100000 +#define FF0 0000000 +#define FF1 0100000 + +#define B0 0000000 +#define B50 0000001 +#define B75 0000002 +#define B110 0000003 +#define B134 0000004 +#define B150 0000005 +#define B200 0000006 +#define B300 0000007 +#define B600 0000010 +#define B1200 0000011 +#define B1800 0000012 +#define B2400 0000013 +#define B4800 0000014 +#define B9600 0000015 +#define B19200 0000016 +#define B38400 0000017 +#define EXTA 0000016 +#define EXTB 0000017 + +#define BOTHER 0010000 +#define B57600 0010001 +#define B115200 0010002 +#define B230400 0010003 +#define B460800 0010004 +#define B500000 0010005 +#define B576000 0010006 +#define B921600 0010007 +#define B1000000 0010010 +#define B1152000 0010011 +#define B1500000 0010012 +#define B2000000 0010013 +#define B2500000 0010014 +#define B3000000 0010015 +#define B3500000 0010016 +#define B4000000 0010017 + +#define CBAUD 0010017 + +#define CSIZE 0000060 +#define CS5 0000000 +#define CS6 0000020 +#define CS7 0000040 +#define CS8 0000060 +#define CSTOPB 0000100 +#define CREAD 0000200 +#define PARENB 0000400 +#define PARODD 0001000 +#define HUPCL 0002000 +#define CLOCAL 0004000 + +#define ISIG 0000001 +#define ICANON 0000002 +#define XCASE 0000004 +#define ECHO 0000010 +#define ECHOE 0000020 +#define ECHOK 0000040 +#define ECHONL 0000100 +#define NOFLSH 0000200 +#define TOSTOP 0000400 +#define ECHOCTL 0001000 +#define ECHOPRT 0002000 +#define ECHOKE 0004000 +#define FLUSHO 0010000 +#define PENDIN 0040000 +#define IEXTEN 0100000 +#define EXTPROC 0200000 + +#define TCOOFF 0 +#define TCOON 1 +#define TCIOFF 2 +#define TCION 3 + +#define TCIFLUSH 0 +#define TCOFLUSH 1 +#define TCIOFLUSH 2 + +#define TCSANOW 0 +#define TCSADRAIN 1 +#define TCSAFLUSH 2 + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define CBAUDEX 0010000 +#define CIBAUD 002003600000 +#define IBSHIFT 16 +#define CMSPAR 010000000000 +#define CRTSCTS 020000000000 +#define EXTPROC 0200000 +#define XTABS 0014000 +#define TIOCSER_TEMT 1 +#endif diff --git a/arch/xtensa/bits/user.h b/arch/xtensa/bits/user.h new file mode 100644 index 0000000..8ac7526 --- /dev/null +++ b/arch/xtensa/bits/user.h @@ -0,0 +1,4 @@ +#define ELF_NGREG 128 +#define ELF_NFPREG 18 +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; +typedef unsigned int elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; diff --git a/arch/xtensa/bits/xtensa-config.h b/arch/xtensa/bits/xtensa-config.h new file mode 100644 index 0000000..2e60af9 --- /dev/null +++ b/arch/xtensa/bits/xtensa-config.h @@ -0,0 +1,46 @@ +/* Xtensa configuration settings. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. + Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef XTENSA_CONFIG_H +#define XTENSA_CONFIG_H + +/* The macros defined here match those with the same names in the Xtensa + compile-time HAL (Hardware Abstraction Layer). Please refer to the + Xtensa System Software Reference Manual for documentation of these + macros. */ + +/* The following macros reflect the default expectations for Xtensa + processor configurations that can run glibc. If you want to try + building glibc for an Xtensa configuration that is missing these + options, you will at least need to change the values of these + macros. */ + +#undef XCHAL_HAVE_NSA +#define XCHAL_HAVE_NSA 1 + +#undef XCHAL_HAVE_LOOPS +#define XCHAL_HAVE_LOOPS 1 + +/* Assume the maximum number of AR registers. This currently only affects + the __window_spill function, and it is always safe to flush extra. */ + +#undef XCHAL_NUM_AREGS +#define XCHAL_NUM_AREGS 64 + +#endif /* !XTENSA_CONFIG_H */ diff --git a/arch/xtensa/crt_arch.h b/arch/xtensa/crt_arch.h new file mode 100644 index 0000000..dc6ddaa --- /dev/null +++ b/arch/xtensa/crt_arch.h @@ -0,0 +1,26 @@ +__asm__( +".begin no-transform\n" +".text \n" +".global _" START "\n" +".global " START "\n" +".type _" START ", @function\n" +".type " START ", @function\n" +"_" START ":\n" +"" START ":\n" +" call0 2f\n" +"1:\n" +".align 4\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n" +" .literal .L0, _DYNAMIC\n" +" .literal .L1, 1b\n" +"2:\n" +" mov a6, a1\n" +" l32r a7, .L0\n" +" l32r a5, .L1\n" +" add a7, a7, a0\n" +" sub a7, a7, a5\n" +" movi a0, 0\n" +" call4 " START "_c\n" +".end no-transform\n" +); diff --git a/arch/xtensa/pthread_arch.h b/arch/xtensa/pthread_arch.h new file mode 100644 index 0000000..35c752e --- /dev/null +++ b/arch/xtensa/pthread_arch.h @@ -0,0 +1,11 @@ +static inline struct pthread *__pthread_self() +{ + register char *tp; + __asm__ __volatile__ ("rur %0, threadptr" : "=r" (tp)); + return (pthread_t)(tp + 8 - sizeof(struct pthread)); +} + +#define TLS_ABOVE_TP +#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8) + +#define MC_PC sc_pc diff --git a/arch/xtensa/reloc.h b/arch/xtensa/reloc.h new file mode 100644 index 0000000..bae93a5 --- /dev/null +++ b/arch/xtensa/reloc.h @@ -0,0 +1,21 @@ +#include + +#if __BYTE_ORDER == __BIG_ENDIAN +#define ENDIAN_SUFFIX "eb" +#else +#define ENDIAN_SUFFIX "" +#endif + +#define LDSO_ARCH "xtensa" ENDIAN_SUFFIX + +#define TPOFF_K 8 + +#define REL_PLT R_XTENSA_JMP_SLOT +#define REL_RELATIVE R_XTENSA_RELATIVE +#define REL_GOT R_XTENSA_GLOB_DAT +#define REL_COPY R_XTENSA_32 +#define REL_TPOFF R_XTENSA_TLS_TPOFF +//#define REL_TLSDESC R_XTENSA_TLSDESC_FN + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "movsp a1, %1 ; jx %0" : : "a"(pc), "a"(sp) : "memory" ) diff --git a/arch/xtensa/syscall_arch.h b/arch/xtensa/syscall_arch.h new file mode 100644 index 0000000..380ce17 --- /dev/null +++ b/arch/xtensa/syscall_arch.h @@ -0,0 +1,102 @@ +#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) 0, __SYSCALL_LL_E((x)) + +static inline long __syscall0(long n) +{ + register long a2 __asm__("a2") = n; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : + : "memory"); + return a2; +} + +static inline long __syscall1(long n, long a) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6) + : "memory"); + return a2; +} + +static inline long __syscall2(long n, long a, long b) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + register long a3 __asm__("a3") = b; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6), "a"(a3) + : "memory"); + return a2; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + register long a3 __asm__("a3") = b; + register long a4 __asm__("a4") = c; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6), "a"(a3), "a"(a4) + : "memory"); + return a2; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + register long a3 __asm__("a3") = b; + register long a4 __asm__("a4") = c; + register long a5 __asm__("a5") = d; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6), "a"(a3), "a"(a4), "a"(a5) + : "memory"); + return a2; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + register long a3 __asm__("a3") = b; + register long a4 __asm__("a4") = c; + register long a5 __asm__("a5") = d; + register long a8 __asm__("a8") = e; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6), "a"(a3), "a"(a4), "a"(a5), "a"(a8) + : "memory"); + return a2; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long a2 __asm__("a2") = n; + register long a6 __asm__("a6") = a; + register long a3 __asm__("a3") = b; + register long a4 __asm__("a4") = c; + register long a5 __asm__("a5") = d; + register long a8 __asm__("a8") = e; + register long a9 __asm__("a9") = f; + + __asm__ __volatile__ ("syscall" + : "+&a"(a2) + : "a"(a6), "a"(a3), "a"(a4), "a"(a5), "a"(a8), "a"(a9) + : "memory"); + return a2; +} diff --git a/configure b/configure index 0955ce6..2c56cab 100755 --- a/configure +++ b/configure @@ -312,6 +312,7 @@ microblaze*) ARCH=microblaze ;; or1k*) ARCH=or1k ;; powerpc*) ARCH=powerpc ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; +xtensa*) ARCH=xtensa ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; *) fail "$0: unknown or unsupported target \"$target\"" ;; esac diff --git a/crt/xtensa/crti.s b/crt/xtensa/crti.s new file mode 100644 index 0000000..6565656 --- /dev/null +++ b/crt/xtensa/crti.s @@ -0,0 +1,11 @@ +.section .init +.global _init +.type _init, @function +_init: + entry a1, 32 + +.section .fini +.global _fini +.type _fini, @function +_fini: + entry a1, 32 diff --git a/crt/xtensa/crtn.s b/crt/xtensa/crtn.s new file mode 100644 index 0000000..7e9a014 --- /dev/null +++ b/crt/xtensa/crtn.s @@ -0,0 +1,5 @@ +.section .init + retw + +.section .fini + retw diff --git a/include/elf.h b/include/elf.h index 8b3cd3e..8168cf1 100644 --- a/include/elf.h +++ b/include/elf.h @@ -2819,6 +2819,64 @@ typedef Elf32_Addr Elf32_Conflict; #define R_OR1K_TLS_DTPOFF 33 #define R_OR1K_TLS_DTPMOD 34 + +#define DT_XTENSA_GOT_LOC_OFF (DT_LOPROC + 0) +#define DT_XTENSA_GOT_LOC_SZ (DT_LOPROC + 1) +#define DT_XTENSA_NUM 2 + +#define R_XTENSA_NONE 0 +#define R_XTENSA_32 1 +#define R_XTENSA_RTLD 2 +#define R_XTENSA_GLOB_DAT 3 +#define R_XTENSA_JMP_SLOT 4 +#define R_XTENSA_RELATIVE 5 +#define R_XTENSA_PLT 6 +#define R_XTENSA_OP0 8 +#define R_XTENSA_OP1 9 +#define R_XTENSA_OP2 10 +#define R_XTENSA_ASM_EXPAND 11 +#define R_XTENSA_ASM_SIMPLIFY 12 +#define R_XTENSA_GNU_VTINHERIT 15 +#define R_XTENSA_GNU_VTENTRY 16 +#define R_XTENSA_DIFF8 17 +#define R_XTENSA_DIFF16 18 +#define R_XTENSA_DIFF32 19 +#define R_XTENSA_SLOT0_OP 20 +#define R_XTENSA_SLOT1_OP 21 +#define R_XTENSA_SLOT2_OP 22 +#define R_XTENSA_SLOT3_OP 23 +#define R_XTENSA_SLOT4_OP 24 +#define R_XTENSA_SLOT5_OP 25 +#define R_XTENSA_SLOT6_OP 26 +#define R_XTENSA_SLOT7_OP 27 +#define R_XTENSA_SLOT8_OP 28 +#define R_XTENSA_SLOT9_OP 29 +#define R_XTENSA_SLOT10_OP 30 +#define R_XTENSA_SLOT11_OP 31 +#define R_XTENSA_SLOT12_OP 32 +#define R_XTENSA_SLOT13_OP 33 +#define R_XTENSA_SLOT14_OP 34 +#define R_XTENSA_SLOT0_ALT 35 +#define R_XTENSA_SLOT1_ALT 36 +#define R_XTENSA_SLOT2_ALT 37 +#define R_XTENSA_SLOT3_ALT 38 +#define R_XTENSA_SLOT4_ALT 39 +#define R_XTENSA_SLOT5_ALT 40 +#define R_XTENSA_SLOT6_ALT 41 +#define R_XTENSA_SLOT7_ALT 42 +#define R_XTENSA_SLOT8_ALT 43 +#define R_XTENSA_SLOT9_ALT 44 +#define R_XTENSA_SLOT10_ALT 45 +#define R_XTENSA_SLOT11_ALT 46 +#define R_XTENSA_SLOT12_ALT 47 +#define R_XTENSA_SLOT13_ALT 48 +#define R_XTENSA_SLOT14_ALT 49 +#define R_XTENSA_TLSDESC_FN 50 +#define R_XTENSA_TLSDESC_ARG 51 +#define R_XTENSA_TLS_TPOFF 53 + +#define R_XTENSA_NUM 54 + #ifdef __cplusplus } #endif diff --git a/ldso/dlstart.c b/ldso/dlstart.c index 4dbe178..0249937 100644 --- a/ldso/dlstart.c +++ b/ldso/dlstart.c @@ -22,6 +22,7 @@ void _dlstart_c(size_t *sp, size_t *dynv) { size_t i, aux[AUX_CNT], dyn[DYN_CNT]; size_t *rel, rel_size, base; + unsigned long addr = 1; int argc = *sp; char **argv = (void *)(sp+1); @@ -138,7 +139,17 @@ void _dlstart_c(size_t *sp, size_t *dynv) for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) { if (!IS_RELATIVE(rel[1], 0)) continue; size_t *rel_addr = (void *)(base + rel[0]); - *rel_addr = base + rel[2]; + if (((unsigned long)rel_addr & -4096) != addr) { + addr = (unsigned long)rel_addr & -4096; + __asm__ __volatile__ ("movi a2, 82\n\t" + "mov a6, %0\n\t" + "mov a3, %1\n\t" + "mov a4, %2\n\t" + "syscall" + :: "a"(addr), "a"(4096), "a"(7) + : "a2", "a3", "a4", "a6", "memory"); + } + *rel_addr += base + rel[2]; } #endif diff --git a/ldso/dynlink.c b/ldso/dynlink.c index 87f3b7f..1927097 100644 --- a/ldso/dynlink.c +++ b/ldso/dynlink.c @@ -314,6 +314,7 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri size_t tls_val; size_t addend; int skip_relative = 0, reuse_addends = 0, save_slot = 0; + unsigned long addr = 1; if (dso == &ldso) { /* Only ldso's REL table needs addend saving/reuse. */ @@ -328,6 +329,10 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri if (type == REL_NONE) continue; sym_index = R_SYM(rel[1]); reloc_addr = laddr(dso, rel[0]); + if (((unsigned long)reloc_addr & -4096) != addr) { + addr = (unsigned long)reloc_addr & -4096; + mprotect((void *)addr, 4096, 7); + } if (sym_index) { sym = syms + sym_index; name = strings + sym->st_name; @@ -377,7 +382,7 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri *reloc_addr = sym_val + addend; break; case REL_RELATIVE: - *reloc_addr = (size_t)base + addend; + *reloc_addr += (size_t)base + addend; break; case REL_SYM_OR_REL: if (sym) *reloc_addr = sym_val + addend; @@ -444,6 +449,40 @@ static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stri #endif } break; + case R_XTENSA_RTLD: + break; + case R_XTENSA_TLSDESC_FN: + if (runtime && def.dso->tls_id >= static_tls_cnt) { + reloc_addr[0] = (size_t)__tlsdesc_dynamic; + } else { + reloc_addr[0] = (size_t)__tlsdesc_static; + } + break; + case R_XTENSA_TLSDESC_ARG: + if (stride<3) addend = reloc_addr[1]; + if (runtime && def.dso->tls_id >= static_tls_cnt) { + struct td_index *new = malloc(sizeof *new); + if (!new) { + error( + "Error relocating %s: cannot allocate TLSDESC for %s", + dso->name, sym ? name : "(local)" ); + longjmp(*rtld_fail, 1); + } + new->next = dso->td_index; + dso->td_index = new; + new->args[0] = def.dso->tls_id; + new->args[1] = tls_val + addend; + reloc_addr[0] = (size_t)new; + } else { +#ifdef TLS_ABOVE_TP + reloc_addr[0] = tls_val + def.dso->tls.offset + + TPOFF_K + addend; +#else + reloc_addr[0] = tls_val - def.dso->tls.offset + + addend; +#endif + } + break; default: error("Error relocating %s: unsupported relocation type %d", dso->name, type); diff --git a/src/internal/xtensa/syscall.s b/src/internal/xtensa/syscall.s new file mode 100644 index 0000000..6dc584b --- /dev/null +++ b/src/internal/xtensa/syscall.s @@ -0,0 +1,15 @@ +.global __syscall +.hidden __syscall +.type __syscall,@function +.align 4 +__syscall: + entry a1, 16 + mov a8, a3 + mov a3, a4 + mov a4, a5 + mov a5, a6 + mov a6, a8 + mov a8, a7 + l32i a9, a1, 16 + syscall + retw diff --git a/src/ldso/xtensa/tlsdesc.s b/src/ldso/xtensa/tlsdesc.s new file mode 100644 index 0000000..5fa846d --- /dev/null +++ b/src/ldso/xtensa/tlsdesc.s @@ -0,0 +1,22 @@ +.global __tlsdesc_static +.hidden __tlsdesc_static +.type __tlsdesc_static,@function +.align 4 +__tlsdesc_static: + entry a1, 16 + rur a3, threadptr + add a2, a2, a3 + retw + +.hidden __tls_get_new + +.global __tlsdesc_dynamic +.hidden __tlsdesc_dynamic +.type __tlsdesc_dynamic,@function +.align 4 +__tlsdesc_dynamic: + entry a1, 16 + mov a6, a2 + call4 __tls_get_addr + mov a2, a6 + retw diff --git a/src/setjmp/xtensa/longjmp.s b/src/setjmp/xtensa/longjmp.s new file mode 100644 index 0000000..0b49188 --- /dev/null +++ b/src/setjmp/xtensa/longjmp.s @@ -0,0 +1,73 @@ +.global _longjmp +.global longjmp +.type _longjmp,%function +.type longjmp,%function +.align 4 +_longjmp: +longjmp: + entry a1, 16 + + /* Invalidate all but the current register window. */ + call4 __window_spill + + l32i a0, a2, 64 + addi a7, a1, -16 + l32i a4, a2, 0 + l32i a5, a2, 4 + s32i a4, a7, 0 + s32i a5, a7, 4 + l32i a4, a2, 8 + l32i a5, a2, 12 + s32i a4, a7, 8 + s32i a5, a7, 12 + + /* Copy the remaining 0-8 saved registers. */ + extui a7, a0, 30, 2 + blti a7, 2, 2f + l32i a8, a2, 52 /* a8: SP of 'caller-1' */ + slli a4, a7, 4 + sub a6, a8, a4 + addi a5, a2, 16 + addi a8, a8, -16 /* a8: end of overflow area */ +1: + l32i a7, a5, 0 + l32i a4, a5, 4 + s32i a7, a6, 0 + s32i a4, a6, 4 + l32i a7, a5, 8 + l32i a4, a5, 12 + s32i a7, a6, 8 + s32i a4, a6, 12 + addi a5, a5, 16 + addi a6, a6, 16 + bltu a6, a8, 1b +2: + /* The 4 words saved from the register save area at the target's + * sp are copied back to the target procedure's save area. The + * only point of this is to prevent a catastrophic failure in + * case the contents were moved by an alloca after calling + * setjmp. This is a bit paranoid but it doesn't cost much. + */ + + l32i a7, a2, 4 /* load the target stack pointer */ + addi a7, a7, -16 /* find the destination save area */ + l32i a4, a2, 48 + l32i a5, a2, 52 + s32i a4, a7, 0 + s32i a5, a7, 4 + l32i a4, a2, 56 + l32i a5, a2, 60 + s32i a4, a7, 8 + s32i a5, a7, 12 + + l32i a4, a2, 68 + beqz a4, 1f + + mov a6, a2 + movi a7, 1 +.hidden __sigsetjmp_tail + call4 __sigsetjmp_tail +1: + movi a2, 1 + movnez a2, a3, a3 + retw diff --git a/src/setjmp/xtensa/setjmp.s b/src/setjmp/xtensa/setjmp.s new file mode 100644 index 0000000..1366af0 --- /dev/null +++ b/src/setjmp/xtensa/setjmp.s @@ -0,0 +1,13 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +.align 4 +__setjmp: +_setjmp: +setjmp: + entry a1, 16 + movi a3, 0 + j ___sigsetjmp diff --git a/src/signal/xtensa/restore.s b/src/signal/xtensa/restore.s new file mode 100644 index 0000000..a0c5229 --- /dev/null +++ b/src/signal/xtensa/restore.s @@ -0,0 +1,10 @@ +.global __restore +.global __restore_rt +.type __restore,%function +.type __restore_rt,%function +.space 1 +.align 4 +__restore: +__restore_rt: + movi a2, 225 # SYS_rt_sigreturn + syscall diff --git a/src/signal/xtensa/sigsetjmp.s b/src/signal/xtensa/sigsetjmp.s new file mode 100644 index 0000000..825e182 --- /dev/null +++ b/src/signal/xtensa/sigsetjmp.s @@ -0,0 +1,69 @@ +.global sigsetjmp +.global __sigsetjmp +.global ___sigsetjmp +.type sigsetjmp,%function +.type __sigsetjmp,%function +.type ___sigsetjmp,%function +.align 4 +sigsetjmp: +__sigsetjmp: + entry a1, 16 + +___sigsetjmp: + call4 __window_spill + + /* Copy the caller registers a0 - a3 at (sp - 16) to jmpbuf. */ + addi a7, a1, -16 + l32i a4, a7, 0 + l32i a5, a7, 4 + s32i a4, a2, 0 + s32i a5, a2, 4 + l32i a4, a7, 8 + l32i a5, a7, 12 + s32i a4, a2, 8 + s32i a5, a2, 12 + + /* Copy the caller registers a4-a8/a12 from the overflow area. */ + /* Entry moved the SP by 16 bytes, so SP of caller-1 is at (sp + 4). */ + extui a7, a0, 30, 2 + blti a7, 2, 2f + l32i a8, a1, 4 /* a8: SP of 'caller-1' */ + slli a4, a7, 4 + sub a6, a8, a4 + addi a5, a2, 16 + addi a8, a8, -16 /* a8: end of overflow area */ +1: + l32i a7, a6, 0 + l32i a4, a6, 4 + s32i a7, a5, 0 + s32i a4, a5, 4 + l32i a7, a6, 8 + l32i a4, a6, 12 + s32i a7, a5, 8 + s32i a4, a5, 12 + addi a5, a5, 16 + addi a6, a6, 16 + bltu a6, a8, 1b +2: + /* Copy caller-1 registers a0 - a3 (this is assuming entry a1, 16) */ + l32i a4, a1, 0 + l32i a5, a1, 4 + s32i a4, a2, 48 + s32i a5, a2, 52 + l32i a4, a1, 8 + l32i a5, a1, 12 + s32i a4, a2, 56 + s32i a5, a2, 60 + + /* Save the return address, including the window size bits. */ + s32i a0, a2, 64 + s32i a3, a2, 68 + beqz a3, 1f + + mov a6, a2 + movi a7, 0 +.hidden __sigsetjmp_tail + call4 __sigsetjmp_tail +1: + movi a2, 0 + retw diff --git a/src/signal/xtensa/windowspill.s b/src/signal/xtensa/windowspill.s new file mode 100644 index 0000000..7ab7f3d --- /dev/null +++ b/src/signal/xtensa/windowspill.s @@ -0,0 +1,78 @@ +#include + +#ifdef __XTENSA_WINDOWED_ABI__ +.global __window_spill +.type __window_spill, @function +.align 4 +__window_spill: + entry a1, 48 + bbci.l a0, 31, .L4 /* branch if called with call4 */ + bbsi.l a0, 30, .L12 /* branch if called with call12 */ + + /* Called with call8: touch register NUM_REGS-12 (4/20/52) */ +.L8: +#if XCHAL_NUM_AREGS > 16 + call12 1f + retw + + .align 4 +1: _entry a1, 48 /* touch NUM_REGS-24 (x/8/40) */ + +#if XCHAL_NUM_AREGS == 32 + mov a8, a0 + retw +#else + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-36 (x/x/28) */ + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-48 (x/x/16) */ + mov a12, a0 + _entry a1, 16 /* touch NUM_REGS-60 (x/x/4) */ +#endif +#endif + mov a4, a0 + retw + + /* Called with call4: touch register NUM_REGS-8 (8/24/56) */ +.L4: +#if XCHAL_NUM_AREGS == 16 + mov a8, a0 +#else + call12 1f + retw + + .align 4 +1: _entry a1, 48 /* touch NUM_REGS-20 (x/12/44) */ + mov a12, a0 +#if XCHAL_NUM_AREGS > 32 + _entry a1, 48 /* touch NUM_REGS-32 (x/x/32) */ + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-44 (x/x/20) */ + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-56 (x/x/8) */ + mov a8, a0 +#endif +#endif + retw + + /* Called with call12: touch register NUM_REGS-16 (x/16/48) */ +.L12: +#if XCHAL_NUM_AREGS > 16 + call12 1f + retw + + .align 4 +1: _entry a1, 48 /* touch NUM_REGS-28 (x/4/36) */ +#if XCHAL_NUM_AREGS == 32 + mov a4, a0 +#else + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-40 (x/x/24) */ + mov a12, a0 + _entry a1, 48 /* touch NUM_REGS-52 (x/x/12) */ + mov a12, a0 +#endif +#endif + retw + +#endif diff --git a/src/thread/xtensa/__set_thread_area.s b/src/thread/xtensa/__set_thread_area.s new file mode 100644 index 0000000..4fe97ac --- /dev/null +++ b/src/thread/xtensa/__set_thread_area.s @@ -0,0 +1,8 @@ +.global __set_thread_area +.type __set_thread_area,@function +.align 4 +__set_thread_area: + entry a1, 16 + wur a2, threadptr + movi a2, 0 + retw diff --git a/src/thread/xtensa/__unmapself.s b/src/thread/xtensa/__unmapself.s new file mode 100644 index 0000000..c5d8f54 --- /dev/null +++ b/src/thread/xtensa/__unmapself.s @@ -0,0 +1,10 @@ +.global __unmapself +.type __unmapself,%function +.align 4 +__unmapself: + entry a1, 16 + mov a6, a2 + movi a2, 81 # SYS_munmap + syscall + movi a2, 118 # SYS_exit + syscall diff --git a/src/thread/xtensa/clone.s b/src/thread/xtensa/clone.s new file mode 100644 index 0000000..c75db81 --- /dev/null +++ b/src/thread/xtensa/clone.s @@ -0,0 +1,39 @@ +// __clone(func, stack, flags, arg, ptid, tls, ctid) +// a2, a3, a4, a5, a6, a7, [sp] + +// syscall(SYS_clone, flags, stack, ptid, tls, ctid) +// a2, a6, a3, a4, a5, a8 + +.global __clone +.type __clone,%function +.align 4 +__clone: + entry a1, 16 + // align stack and save func,arg + srli a3, a3, 4 + slli a3, a3, 4 + addi a3, a3, -16 + s32i a2, a3, 0 + s32i a5, a3, 4 + + // syscall + mov a2, a4 + mov a4, a6 + mov a6, a2 + mov a5, a7 + l32i a8, a1, 16 + movi a2, 116 # SYS_clone + syscall + + beqz a2, 1f + // parent + retw + + // child +1: + movi a0, 0 + l32i a4, a1, 0 + l32i a6, a1, 4 + callx4 a4 + movi a2, 118 # SYS_exit + syscall diff --git a/src/thread/xtensa/syscall_cp.s b/src/thread/xtensa/syscall_cp.s new file mode 100644 index 0000000..f68df8d --- /dev/null +++ b/src/thread/xtensa/syscall_cp.s @@ -0,0 +1,37 @@ +// __syscall_cp_asm(&self->cancel, nr, u, v, w, x, y, z) +// a2 a3 a4 a5 a6 a7 [sp] [sp+4] + +// syscall(nr, u, v, w, x, y, z) +// a2 a6 a3 a4 a5 a8 a9 + +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,%function +.align 4 +__syscall_cp_asm: + entry a1, 16 +__cp_begin: + l32i a2, a2, 0 + bnez a2, __cp_cancel + mov a2, a4 + mov a4, a6 + mov a6, a2 + mov a2, a3 + mov a3, a5 + mov a5, a7 + l32i a8, a1, 16 + l32i a9, a1, 20 + syscall +__cp_end: + retw +__cp_cancel: + call4 __cancel + mov a2, a6 + retw -- 2.1.4