From 0950409b45f581d6bedd354d0bf4d9957e446709 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Wed, 18 May 2016 18:17:59 +0200 Subject: add experimental musl xtensa support --- toolchain/gcc/patches/6.1.0/xtensa-musl.patch | 27 + toolchain/musl/patches/1.1.14/xtensa.patch | 2429 +++++++++++++++++++++++++ 2 files changed, 2456 insertions(+) create mode 100644 toolchain/gcc/patches/6.1.0/xtensa-musl.patch create mode 100644 toolchain/musl/patches/1.1.14/xtensa.patch (limited to 'toolchain') diff --git a/toolchain/gcc/patches/6.1.0/xtensa-musl.patch b/toolchain/gcc/patches/6.1.0/xtensa-musl.patch new file mode 100644 index 000000000..fa00abbfa --- /dev/null +++ b/toolchain/gcc/patches/6.1.0/xtensa-musl.patch @@ -0,0 +1,27 @@ +From 8f018dd26d3d9992fc32f6ce04492572312d2790 Mon Sep 17 00:00:00 2001 +From: Max Filippov +Date: Tue, 22 Mar 2016 16:07:24 +0300 +Subject: [PATCH] xtensa: support musl + +Signed-off-by: Max Filippov +--- + gcc/config/xtensa/linux.h | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/gcc/config/xtensa/linux.h b/gcc/config/xtensa/linux.h +index 6ecb153..a41ef96 100644 +--- a/gcc/config/xtensa/linux.h ++++ b/gcc/config/xtensa/linux.h +@@ -48,6 +48,9 @@ along with GCC; see the file COPYING3. If not see + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + ++#undef MUSL_DYNAMIC_LINKER ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-xtensa.so.1" ++ + #undef LINK_SPEC + #define LINK_SPEC \ + "%{shared:-shared} \ +-- +2.1.4 + diff --git a/toolchain/musl/patches/1.1.14/xtensa.patch b/toolchain/musl/patches/1.1.14/xtensa.patch new file mode 100644 index 000000000..dbb25ebc6 --- /dev/null +++ b/toolchain/musl/patches/1.1.14/xtensa.patch @@ -0,0 +1,2429 @@ +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 + -- cgit v1.2.3