mirror of
https://git.musl-libc.org/git/musl
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add loongarch64 port
Author: Xiaojuan Zhai <zhaixiaojuan@loongson.cn> Author: Meidan Li <limeidan@loongson.cn> Author: Guoqi Chen <chenguoqi@loongson.cn> Author: Xiaolin Zhao <zhaoxiaolin@loongson.cn> Author: Fan peng <fanpeng@loongson.cn> Author: Jiantao Shan <shanjiantao@loongson.cn> Author: Xuhui Qiang <qiangxuhui@loongson.cn> Author: Jingyun Hua <huajingyun@loongson.cn> Author: Liu xue <liuxue@loongson.cn> Author: Hongliang Wang <wanghongliang@loongson.cn>
This commit is contained in:
parent
4a16ddf53e
commit
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53
arch/loongarch64/atomic_arch.h
Normal file
53
arch/loongarch64/atomic_arch.h
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@ -0,0 +1,53 @@
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#define a_ll a_ll
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static inline int a_ll(volatile int *p)
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{
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int v;
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__asm__ __volatile__ (
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"ll.w %0, %1"
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: "=r"(v)
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: "ZC"(*p));
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return v;
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}
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#define a_sc a_sc
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static inline int a_sc(volatile int *p, int v)
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{
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int r;
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__asm__ __volatile__ (
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"sc.w %0, %1"
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: "=r"(r), "=ZC"(*p)
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: "0"(v) : "memory");
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return r;
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}
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#define a_ll_p a_ll_p
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static inline void *a_ll_p(volatile void *p)
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{
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void *v;
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__asm__ __volatile__ (
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"ll.d %0, %1"
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: "=r"(v)
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: "ZC"(*(void *volatile *)p));
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return v;
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}
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#define a_sc_p a_sc_p
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static inline int a_sc_p(volatile void *p, void *v)
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{
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long r;
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__asm__ __volatile__ (
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"sc.d %0, %1"
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: "=r"(r), "=ZC"(*(void *volatile *)p)
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: "0"(v)
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: "memory");
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return r;
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}
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#define a_barrier a_barrier
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static inline void a_barrier()
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{
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__asm__ __volatile__ ("dbar 0" : : : "memory");
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}
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#define a_pre_llsc a_barrier
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#define a_post_llsc a_barrier
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18
arch/loongarch64/bits/alltypes.h.in
Normal file
18
arch/loongarch64/bits/alltypes.h.in
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#define _Addr long
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#define _Int64 long
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#define _Reg long
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#define __BYTE_ORDER 1234
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#define __LONG_MAX 0x7fffffffffffffffL
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#ifndef __cplusplus
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TYPEDEF int wchar_t;
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#endif
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TYPEDEF float float_t;
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TYPEDEF double double_t;
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TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
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TYPEDEF unsigned nlink_t;
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TYPEDEF int blksize_t;
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20
arch/loongarch64/bits/fenv.h
Normal file
20
arch/loongarch64/bits/fenv.h
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@ -0,0 +1,20 @@
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#define FE_INEXACT 0x010000
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#define FE_UNDERFLOW 0x020000
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#define FE_OVERFLOW 0x040000
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#define FE_DIVBYZERO 0x080000
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#define FE_INVALID 0x100000
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#define FE_ALL_EXCEPT 0x1F0000
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#define FE_TONEAREST 0x000
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#define FE_TOWARDZERO 0x100
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#define FE_UPWARD 0x200
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#define FE_DOWNWARD 0x300
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typedef unsigned fexcept_t;
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typedef struct {
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unsigned __cw;
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} fenv_t;
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#define FE_DFL_ENV ((const fenv_t *) -1)
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16
arch/loongarch64/bits/float.h
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16
arch/loongarch64/bits/float.h
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@ -0,0 +1,16 @@
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#define FLT_EVAL_METHOD 0
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#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L
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#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
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#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
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#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
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#define LDBL_MANT_DIG 113
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#define LDBL_MIN_EXP (-16381)
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#define LDBL_MAX_EXP 16384
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#define LDBL_DIG 33
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#define LDBL_MIN_10_EXP (-4931)
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#define LDBL_MAX_10_EXP 4932
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#define DECIMAL_DIG 36
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2
arch/loongarch64/bits/posix.h
Normal file
2
arch/loongarch64/bits/posix.h
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#define _POSIX_V6_LP64_OFF64 1
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#define _POSIX_V7_LP64_OFF64 1
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4
arch/loongarch64/bits/ptrace.h
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4
arch/loongarch64/bits/ptrace.h
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#define PTRACE_GET_THREAD_AREA 25
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#define PTRACE_SET_THREAD_AREA 26
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#define PTRACE_GET_WATCH_REGS 0xd0
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#define PTRACE_SET_WATCH_REGS 0xd1
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2
arch/loongarch64/bits/reg.h
Normal file
2
arch/loongarch64/bits/reg.h
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#undef __WORDSIZE
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#define __WORDSIZE 64
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1
arch/loongarch64/bits/setjmp.h
Normal file
1
arch/loongarch64/bits/setjmp.h
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@ -0,0 +1 @@
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typedef unsigned long __jmp_buf[23];
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90
arch/loongarch64/bits/signal.h
Normal file
90
arch/loongarch64/bits/signal.h
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@ -0,0 +1,90 @@
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define MINSIGSTKSZ 4096
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#define SIGSTKSZ 16384
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#endif
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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typedef unsigned long greg_t, gregset_t[32];
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struct sigcontext {
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unsigned long sc_pc;
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unsigned long sc_regs[32];
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unsigned sc_flags;
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unsigned long sc_extcontext[] __attribute__((__aligned__(16)));
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};
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#endif
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typedef struct {
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unsigned long __pc;
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unsigned long __gregs[32];
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unsigned __flags;
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unsigned long __extcontext[] __attribute__((__aligned__(16)));
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} mcontext_t;
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struct sigaltstack {
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void *ss_sp;
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int ss_flags;
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size_t ss_size;
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};
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typedef struct __ucontext
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{
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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stack_t uc_stack;
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sigset_t uc_sigmask;
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long __uc_pad;
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mcontext_t uc_mcontext;
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} ucontext_t;
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#define __uc_flags uc_flags
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#define SA_NOCLDSTOP 1
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#define SA_NOCLDWAIT 2
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#define SA_SIGINFO 4
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#endif
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT SIGABRT
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGUNUSED SIGSYS
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#define _NSIG 65
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18
arch/loongarch64/bits/stat.h
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18
arch/loongarch64/bits/stat.h
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struct stat {
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dev_t st_dev;
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ino_t st_ino;
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mode_t st_mode;
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nlink_t st_nlink;
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uid_t st_uid;
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gid_t st_gid;
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dev_t st_rdev;
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unsigned long __pad;
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off_t st_size;
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blksize_t st_blksize;
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int __pad2;
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blkcnt_t st_blocks;
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struct timespec st_atim;
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struct timespec st_mtim;
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struct timespec st_ctim;
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unsigned __unused[2];
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};
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20
arch/loongarch64/bits/stdint.h
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20
arch/loongarch64/bits/stdint.h
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typedef int32_t int_fast16_t;
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typedef int32_t int_fast32_t;
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typedef uint32_t uint_fast16_t;
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typedef uint32_t uint_fast32_t;
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#define INT_FAST16_MIN INT32_MIN
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#define INT_FAST32_MIN INT32_MIN
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#define INT_FAST16_MAX INT32_MAX
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#define INT_FAST32_MAX INT32_MAX
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#define UINT_FAST16_MAX UINT32_MAX
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#define UINT_FAST32_MAX UINT32_MAX
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#define INTPTR_MIN INT64_MIN
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#define INTPTR_MAX INT64_MAX
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#define UINTPTR_MAX UINT64_MAX
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#define PTRDIFF_MIN INT64_MIN
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#define PTRDIFF_MAX INT64_MAX
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#define SIZE_MAX UINT64_MAX
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303
arch/loongarch64/bits/syscall.h.in
Normal file
303
arch/loongarch64/bits/syscall.h.in
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#define __NR_io_setup 0
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#define __NR_io_destroy 1
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#define __NR_io_submit 2
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#define __NR_io_cancel 3
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#define __NR_io_getevents 4
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#define __NR_setxattr 5
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#define __NR_lsetxattr 6
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#define __NR_fsetxattr 7
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#define __NR_getxattr 8
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#define __NR_lgetxattr 9
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#define __NR_fgetxattr 10
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#define __NR_listxattr 11
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#define __NR_llistxattr 12
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#define __NR_flistxattr 13
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#define __NR_removexattr 14
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#define __NR_lremovexattr 15
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#define __NR_fremovexattr 16
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#define __NR_getcwd 17
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#define __NR_lookup_dcookie 18
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#define __NR_eventfd2 19
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#define __NR_epoll_create1 20
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#define __NR_epoll_ctl 21
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#define __NR_epoll_pwait 22
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#define __NR_dup 23
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#define __NR_dup3 24
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#define __NR3264_fcntl 25
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#define __NR_inotify_init1 26
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#define __NR_inotify_add_watch 27
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#define __NR_inotify_rm_watch 28
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#define __NR_ioctl 29
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#define __NR_ioprio_set 30
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#define __NR_ioprio_get 31
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#define __NR_flock 32
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#define __NR_mknodat 33
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#define __NR_mkdirat 34
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#define __NR_unlinkat 35
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#define __NR_symlinkat 36
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#define __NR_linkat 37
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#define __NR_umount2 39
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#define __NR_mount 40
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#define __NR_pivot_root 41
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#define __NR_nfsservctl 42
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#define __NR3264_statfs 43
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#define __NR3264_fstatfs 44
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#define __NR3264_truncate 45
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#define __NR3264_ftruncate 46
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#define __NR_fallocate 47
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#define __NR_faccessat 48
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#define __NR_chdir 49
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#define __NR_fchdir 50
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#define __NR_chroot 51
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#define __NR_fchmod 52
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#define __NR_fchmodat 53
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#define __NR_fchownat 54
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#define __NR_fchown 55
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#define __NR_openat 56
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#define __NR_close 57
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#define __NR_vhangup 58
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#define __NR_pipe2 59
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#define __NR_quotactl 60
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#define __NR_getdents64 61
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#define __NR3264_lseek 62
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#define __NR_read 63
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#define __NR_write 64
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#define __NR_readv 65
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#define __NR_writev 66
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#define __NR_pread64 67
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#define __NR_pwrite64 68
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#define __NR_preadv 69
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#define __NR_pwritev 70
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#define __NR3264_sendfile 71
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#define __NR_pselect6 72
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#define __NR_ppoll 73
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#define __NR_signalfd4 74
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#define __NR_vmsplice 75
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#define __NR_splice 76
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#define __NR_tee 77
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#define __NR_readlinkat 78
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#define __NR_sync 81
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#define __NR_fsync 82
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#define __NR_fdatasync 83
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#define __NR_sync_file_range 84
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#define __NR_timerfd_create 85
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#define __NR_timerfd_settime 86
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#define __NR_timerfd_gettime 87
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#define __NR_utimensat 88
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#define __NR_acct 89
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#define __NR_capget 90
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#define __NR_capset 91
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#define __NR_personality 92
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#define __NR_exit 93
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#define __NR_exit_group 94
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#define __NR_waitid 95
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#define __NR_set_tid_address 96
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#define __NR_unshare 97
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#define __NR_futex 98
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#define __NR_set_robust_list 99
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#define __NR_get_robust_list 100
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#define __NR_nanosleep 101
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#define __NR_getitimer 102
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#define __NR_setitimer 103
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#define __NR_kexec_load 104
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#define __NR_init_module 105
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#define __NR_delete_module 106
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#define __NR_timer_create 107
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#define __NR_timer_gettime 108
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#define __NR_timer_getoverrun 109
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#define __NR_timer_settime 110
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#define __NR_timer_delete 111
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#define __NR_clock_settime 112
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#define __NR_clock_gettime 113
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#define __NR_clock_getres 114
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#define __NR_clock_nanosleep 115
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#define __NR_syslog 116
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#define __NR_ptrace 117
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#define __NR_sched_setparam 118
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#define __NR_sched_setscheduler 119
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#define __NR_sched_getscheduler 120
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#define __NR_sched_getparam 121
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#define __NR_sched_setaffinity 122
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#define __NR_sched_getaffinity 123
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#define __NR_sched_yield 124
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#define __NR_sched_get_priority_max 125
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#define __NR_sched_get_priority_min 126
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#define __NR_sched_rr_get_interval 127
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#define __NR_restart_syscall 128
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#define __NR_kill 129
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#define __NR_tkill 130
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#define __NR_tgkill 131
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#define __NR_sigaltstack 132
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#define __NR_rt_sigsuspend 133
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#define __NR_rt_sigaction 134
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#define __NR_rt_sigprocmask 135
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#define __NR_rt_sigpending 136
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#define __NR_rt_sigtimedwait 137
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#define __NR_rt_sigqueueinfo 138
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#define __NR_rt_sigreturn 139
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#define __NR_setpriority 140
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#define __NR_getpriority 141
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#define __NR_reboot 142
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#define __NR_setregid 143
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#define __NR_setgid 144
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#define __NR_setreuid 145
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#define __NR_setuid 146
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#define __NR_setresuid 147
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#define __NR_getresuid 148
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#define __NR_setresgid 149
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#define __NR_getresgid 150
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#define __NR_setfsuid 151
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#define __NR_setfsgid 152
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#define __NR_times 153
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#define __NR_setpgid 154
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#define __NR_getpgid 155
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#define __NR_getsid 156
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#define __NR_setsid 157
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#define __NR_getgroups 158
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#define __NR_setgroups 159
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#define __NR_uname 160
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#define __NR_sethostname 161
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#define __NR_setdomainname 162
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#define __NR_getrlimit 163
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#define __NR_setrlimit 164
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#define __NR_getrusage 165
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#define __NR_umask 166
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#define __NR_prctl 167
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#define __NR_getcpu 168
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#define __NR_gettimeofday 169
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#define __NR_settimeofday 170
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#define __NR_adjtimex 171
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#define __NR_getpid 172
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#define __NR_getppid 173
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#define __NR_getuid 174
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#define __NR_geteuid 175
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#define __NR_getgid 176
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#define __NR_getegid 177
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#define __NR_gettid 178
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#define __NR_sysinfo 179
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#define __NR_mq_open 180
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#define __NR_mq_unlink 181
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#define __NR_mq_timedsend 182
|
||||
#define __NR_mq_timedreceive 183
|
||||
#define __NR_mq_notify 184
|
||||
#define __NR_mq_getsetattr 185
|
||||
#define __NR_msgget 186
|
||||
#define __NR_msgctl 187
|
||||
#define __NR_msgrcv 188
|
||||
#define __NR_msgsnd 189
|
||||
#define __NR_semget 190
|
||||
#define __NR_semctl 191
|
||||
#define __NR_semtimedop 192
|
||||
#define __NR_semop 193
|
||||
#define __NR_shmget 194
|
||||
#define __NR_shmctl 195
|
||||
#define __NR_shmat 196
|
||||
#define __NR_shmdt 197
|
||||
#define __NR_socket 198
|
||||
#define __NR_socketpair 199
|
||||
#define __NR_bind 200
|
||||
#define __NR_listen 201
|
||||
#define __NR_accept 202
|
||||
#define __NR_connect 203
|
||||
#define __NR_getsockname 204
|
||||
#define __NR_getpeername 205
|
||||
#define __NR_sendto 206
|
||||
#define __NR_recvfrom 207
|
||||
#define __NR_setsockopt 208
|
||||
#define __NR_getsockopt 209
|
||||
#define __NR_shutdown 210
|
||||
#define __NR_sendmsg 211
|
||||
#define __NR_recvmsg 212
|
||||
#define __NR_readahead 213
|
||||
#define __NR_brk 214
|
||||
#define __NR_munmap 215
|
||||
#define __NR_mremap 216
|
||||
#define __NR_add_key 217
|
||||
#define __NR_request_key 218
|
||||
#define __NR_keyctl 219
|
||||
#define __NR_clone 220
|
||||
#define __NR_execve 221
|
||||
#define __NR3264_mmap 222
|
||||
#define __NR3264_fadvise64 223
|
||||
#define __NR_swapon 224
|
||||
#define __NR_swapoff 225
|
||||
#define __NR_mprotect 226
|
||||
#define __NR_msync 227
|
||||
#define __NR_mlock 228
|
||||
#define __NR_munlock 229
|
||||
#define __NR_mlockall 230
|
||||
#define __NR_munlockall 231
|
||||
#define __NR_mincore 232
|
||||
#define __NR_madvise 233
|
||||
#define __NR_remap_file_pages 234
|
||||
#define __NR_mbind 235
|
||||
#define __NR_get_mempolicy 236
|
||||
#define __NR_set_mempolicy 237
|
||||
#define __NR_migrate_pages 238
|
||||
#define __NR_move_pages 239
|
||||
#define __NR_rt_tgsigqueueinfo 240
|
||||
#define __NR_perf_event_open 241
|
||||
#define __NR_accept4 242
|
||||
#define __NR_recvmmsg 243
|
||||
#define __NR_arch_specific_syscall 244
|
||||
#define __NR_wait4 260
|
||||
#define __NR_prlimit64 261
|
||||
#define __NR_fanotify_init 262
|
||||
#define __NR_fanotify_mark 263
|
||||
#define __NR_name_to_handle_at 264
|
||||
#define __NR_open_by_handle_at 265
|
||||
#define __NR_clock_adjtime 266
|
||||
#define __NR_syncfs 267
|
||||
#define __NR_setns 268
|
||||
#define __NR_sendmmsg 269
|
||||
#define __NR_process_vm_readv 270
|
||||
#define __NR_process_vm_writev 271
|
||||
#define __NR_kcmp 272
|
||||
#define __NR_finit_module 273
|
||||
#define __NR_sched_setattr 274
|
||||
#define __NR_sched_getattr 275
|
||||
#define __NR_renameat2 276
|
||||
#define __NR_seccomp 277
|
||||
#define __NR_getrandom 278
|
||||
#define __NR_memfd_create 279
|
||||
#define __NR_bpf 280
|
||||
#define __NR_execveat 281
|
||||
#define __NR_userfaultfd 282
|
||||
#define __NR_membarrier 283
|
||||
#define __NR_mlock2 284
|
||||
#define __NR_copy_file_range 285
|
||||
#define __NR_preadv2 286
|
||||
#define __NR_pwritev2 287
|
||||
#define __NR_pkey_mprotect 288
|
||||
#define __NR_pkey_alloc 289
|
||||
#define __NR_pkey_free 290
|
||||
#define __NR_statx 291
|
||||
#define __NR_io_pgetevents 292
|
||||
#define __NR_rseq 293
|
||||
#define __NR_kexec_file_load 294
|
||||
#define __NR_pidfd_send_signal 424
|
||||
#define __NR_io_uring_setup 425
|
||||
#define __NR_io_uring_enter 426
|
||||
#define __NR_io_uring_register 427
|
||||
#define __NR_open_tree 428
|
||||
#define __NR_move_mount 429
|
||||
#define __NR_fsopen 430
|
||||
#define __NR_fsconfig 431
|
||||
#define __NR_fsmount 432
|
||||
#define __NR_fspick 433
|
||||
#define __NR_pidfd_open 434
|
||||
#define __NR_clone3 435
|
||||
#define __NR_close_range 436
|
||||
#define __NR_openat2 437
|
||||
#define __NR_pidfd_getfd 438
|
||||
#define __NR_faccessat2 439
|
||||
#define __NR_process_madvise 440
|
||||
#define __NR_fcntl __NR3264_fcntl
|
||||
#define __NR_statfs __NR3264_statfs
|
||||
#define __NR_fstatfs __NR3264_fstatfs
|
||||
#define __NR_truncate __NR3264_truncate
|
||||
#define __NR_ftruncate __NR3264_ftruncate
|
||||
#define __NR_lseek __NR3264_lseek
|
||||
#define __NR_sendfile __NR3264_sendfile
|
||||
#define __NR_mmap __NR3264_mmap
|
||||
#define __NR_fadvise64 __NR3264_fadvise64
|
5
arch/loongarch64/bits/user.h
Normal file
5
arch/loongarch64/bits/user.h
Normal file
@ -0,0 +1,5 @@
|
||||
#define ELF_NGREG 45
|
||||
#define ELF_NFPREG 33
|
||||
|
||||
typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
|
||||
typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG];
|
13
arch/loongarch64/crt_arch.h
Normal file
13
arch/loongarch64/crt_arch.h
Normal file
@ -0,0 +1,13 @@
|
||||
__asm__(
|
||||
".text \n"
|
||||
".global " START "\n"
|
||||
".type " START ", @function\n"
|
||||
START ":\n"
|
||||
" move $fp, $zero\n"
|
||||
" move $a0, $sp\n"
|
||||
".weak _DYNAMIC\n"
|
||||
".hidden _DYNAMIC\n"
|
||||
" la.local $a1, _DYNAMIC\n"
|
||||
" bstrins.d $sp, $zero, 3, 0\n"
|
||||
" b " START "_c\n"
|
||||
);
|
11
arch/loongarch64/pthread_arch.h
Normal file
11
arch/loongarch64/pthread_arch.h
Normal file
@ -0,0 +1,11 @@
|
||||
static inline uintptr_t __get_tp()
|
||||
{
|
||||
register uintptr_t tp __asm__("tp");
|
||||
__asm__ ("" : "=r" (tp) );
|
||||
return tp;
|
||||
}
|
||||
|
||||
#define TLS_ABOVE_TP
|
||||
#define GAP_ABOVE_TP 0
|
||||
#define DTP_OFFSET 0
|
||||
#define MC_PC __pc
|
29
arch/loongarch64/reloc.h
Normal file
29
arch/loongarch64/reloc.h
Normal file
@ -0,0 +1,29 @@
|
||||
#ifdef __loongarch_soft_float
|
||||
#define FP_SUFFIX "-sf"
|
||||
#elif defined __loongarch_single_float
|
||||
#define FP_SUFFIX "-sp"
|
||||
#else
|
||||
#define FP_SUFFIX ""
|
||||
#endif
|
||||
|
||||
#define LDSO_ARCH "loongarch64" FP_SUFFIX
|
||||
|
||||
#define TPOFF_K 0
|
||||
|
||||
#define REL_PLT R_LARCH_JUMP_SLOT
|
||||
#define REL_COPY R_LARCH_COPY
|
||||
#define REL_DTPMOD R_LARCH_TLS_DTPMOD64
|
||||
#define REL_DTPOFF R_LARCH_TLS_DTPREL64
|
||||
#define REL_TPOFF R_LARCH_TLS_TPREL64
|
||||
#define REL_RELATIVE R_LARCH_RELATIVE
|
||||
#define REL_SYMBOLIC R_LARCH_64
|
||||
|
||||
#define CRTJMP(pc,sp) __asm__ __volatile__( \
|
||||
"move $sp, %1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )
|
||||
|
||||
#define GETFUNCSYM(fp, sym, got) __asm__ ( \
|
||||
".hidden " #sym "\n" \
|
||||
".align 8 \n" \
|
||||
" la.local $t1, "#sym" \n" \
|
||||
" move %0, $t1 \n" \
|
||||
: "=r"(*(fp)) : : "memory" )
|
137
arch/loongarch64/syscall_arch.h
Normal file
137
arch/loongarch64/syscall_arch.h
Normal file
@ -0,0 +1,137 @@
|
||||
#define __SYSCALL_LL_E(x) (x)
|
||||
#define __SYSCALL_LL_O(x) (x)
|
||||
|
||||
#define SYSCALL_CLOBBERLIST \
|
||||
"$t0", "$t1", "$t2", "$t3", \
|
||||
"$t4", "$t5", "$t6", "$t7", "$t8", "memory"
|
||||
|
||||
static inline long __syscall0(long n)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0");
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "=r"(a0)
|
||||
: "r"(a7)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall1(long n, long a)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall2(long n, long a, long b)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall3(long n, long a, long b, long c)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
register long a2 __asm__("$a2") = c;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1), "r"(a2)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall4(long n, long a, long b, long c, long d)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
register long a2 __asm__("$a2") = c;
|
||||
register long a3 __asm__("$a3") = d;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1), "r"(a2), "r"(a3)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
register long a2 __asm__("$a2") = c;
|
||||
register long a3 __asm__("$a3") = d;
|
||||
register long a4 __asm__("$a4") = e;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
register long a2 __asm__("$a2") = c;
|
||||
register long a3 __asm__("$a3") = d;
|
||||
register long a4 __asm__("$a4") = e;
|
||||
register long a5 __asm__("$a5") = f;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g)
|
||||
{
|
||||
register long a7 __asm__("$a7") = n;
|
||||
register long a0 __asm__("$a0") = a;
|
||||
register long a1 __asm__("$a1") = b;
|
||||
register long a2 __asm__("$a2") = c;
|
||||
register long a3 __asm__("$a3") = d;
|
||||
register long a4 __asm__("$a4") = e;
|
||||
register long a5 __asm__("$a5") = f;
|
||||
register long a6 __asm__("$a6") = g;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
"syscall 0"
|
||||
: "+r"(a0)
|
||||
: "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6)
|
||||
: SYSCALL_CLOBBERLIST);
|
||||
return a0;
|
||||
}
|
||||
|
||||
#define VDSO_USEFUL
|
||||
#define VDSO_CGT_SYM "__vdso_clock_gettime"
|
||||
#define VDSO_CGT_VER "LINUX_5.10"
|
||||
|
||||
#define IPC_64 0
|
14
configure
vendored
14
configure
vendored
@ -328,6 +328,7 @@ i?86*) ARCH=i386 ;;
|
||||
x86_64-x32*|x32*|x86_64*x32) ARCH=x32 ;;
|
||||
x86_64-nt64*) ARCH=nt64 ;;
|
||||
x86_64*) ARCH=x86_64 ;;
|
||||
loongarch64*) ARCH=loongarch64 ;;
|
||||
m68k*) ARCH=m68k ;;
|
||||
mips64*|mipsisa64*) ARCH=mips64 ;;
|
||||
mips*) ARCH=mips ;;
|
||||
@ -671,6 +672,19 @@ if test "$ARCH" = "aarch64" ; then
|
||||
trycppif __AARCH64EB__ "$t" && SUBARCH=${SUBARCH}_be
|
||||
fi
|
||||
|
||||
if test "$ARCH" = "loongarch64" ; then
|
||||
trycppif __loongarch_soft_float "$t" && SUBARCH=${SUBARCH}-sf
|
||||
trycppif __loongarch_single_float "$t" && SUBARCH=${SUBARCH}-sp
|
||||
printf "checking whether assembler support FCSRs... "
|
||||
echo "__asm__(\"movfcsr2gr \$t0,\$fcsr0\");" > "$tmpc"
|
||||
if $CC -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
|
||||
printf "yes\n"
|
||||
else
|
||||
printf "no\n"
|
||||
CFLAGS_AUTO="$CFLAGS_AUTO -DBROKEN_LOONGARCH_FCSR_ASM"
|
||||
fi
|
||||
fi
|
||||
|
||||
if test "$ARCH" = "m68k" ; then
|
||||
if trycppif "__HAVE_68881__" ; then : ;
|
||||
elif trycppif "__mcffpu__" ; then SUBARCH="-fp64"
|
||||
|
104
include/elf.h
104
include/elf.h
@ -315,7 +315,8 @@ typedef struct {
|
||||
#define EM_RISCV 243
|
||||
#define EM_BPF 247
|
||||
#define EM_CSKY 252
|
||||
#define EM_NUM 253
|
||||
#define EM_LOONGARCH 258
|
||||
#define EM_NUM 259
|
||||
|
||||
#define EM_ALPHA 0x9026
|
||||
|
||||
@ -706,6 +707,11 @@ typedef struct {
|
||||
#define NT_RISCV_CSR 0x900
|
||||
#define NT_RISCV_VECTOR 0x901
|
||||
#define NT_VERSION 1
|
||||
#define NT_LOONGARCH_CPUCFG 0xa00
|
||||
#define NT_LOONGARCH_CSR 0xa01
|
||||
#define NT_LOONGARCH_LSX 0xa02
|
||||
#define NT_LOONGARCH_LASX 0xa03
|
||||
#define NT_LOONGARCH_LBT 0xa04
|
||||
|
||||
|
||||
|
||||
@ -3304,6 +3310,102 @@ enum
|
||||
#define R_RISCV_TLSDESC_ADD_LO12 64
|
||||
#define R_RISCV_TLSDESC_CALL 65
|
||||
|
||||
#define EF_LARCH_ABI_MODIFIER_MASK 0x07
|
||||
#define EF_LARCH_ABI_SOFT_FLOAT 0x01
|
||||
#define EF_LARCH_ABI_SINGLE_FLOAT 0x02
|
||||
#define EF_LARCH_ABI_DOUBLE_FLOAT 0x03
|
||||
#define EF_LARCH_OBJABI_V1 0x40
|
||||
|
||||
#define R_LARCH_NONE 0
|
||||
#define R_LARCH_32 1
|
||||
#define R_LARCH_64 2
|
||||
#define R_LARCH_RELATIVE 3
|
||||
#define R_LARCH_COPY 4
|
||||
#define R_LARCH_JUMP_SLOT 5
|
||||
#define R_LARCH_TLS_DTPMOD32 6
|
||||
#define R_LARCH_TLS_DTPMOD64 7
|
||||
#define R_LARCH_TLS_DTPREL32 8
|
||||
#define R_LARCH_TLS_DTPREL64 9
|
||||
#define R_LARCH_TLS_TPREL32 10
|
||||
#define R_LARCH_TLS_TPREL64 11
|
||||
#define R_LARCH_IRELATIVE 12
|
||||
#define R_LARCH_MARK_LA 20
|
||||
#define R_LARCH_MARK_PCREL 21
|
||||
#define R_LARCH_SOP_PUSH_PCREL 22
|
||||
#define R_LARCH_SOP_PUSH_ABSOLUTE 23
|
||||
#define R_LARCH_SOP_PUSH_DUP 24
|
||||
#define R_LARCH_SOP_PUSH_GPREL 25
|
||||
#define R_LARCH_SOP_PUSH_TLS_TPREL 26
|
||||
#define R_LARCH_SOP_PUSH_TLS_GOT 27
|
||||
#define R_LARCH_SOP_PUSH_TLS_GD 28
|
||||
#define R_LARCH_SOP_PUSH_PLT_PCREL 29
|
||||
#define R_LARCH_SOP_ASSERT 30
|
||||
#define R_LARCH_SOP_NOT 31
|
||||
#define R_LARCH_SOP_SUB 32
|
||||
#define R_LARCH_SOP_SL 33
|
||||
#define R_LARCH_SOP_SR 34
|
||||
#define R_LARCH_SOP_ADD 35
|
||||
#define R_LARCH_SOP_AND 36
|
||||
#define R_LARCH_SOP_IF_ELSE 37
|
||||
#define R_LARCH_SOP_POP_32_S_10_5 38
|
||||
#define R_LARCH_SOP_POP_32_U_10_12 39
|
||||
#define R_LARCH_SOP_POP_32_S_10_12 40
|
||||
#define R_LARCH_SOP_POP_32_S_10_16 41
|
||||
#define R_LARCH_SOP_POP_32_S_10_16_S2 42
|
||||
#define R_LARCH_SOP_POP_32_S_5_20 43
|
||||
#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44
|
||||
#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45
|
||||
#define R_LARCH_SOP_POP_32_U 46
|
||||
#define R_LARCH_ADD8 47
|
||||
#define R_LARCH_ADD16 48
|
||||
#define R_LARCH_ADD24 49
|
||||
#define R_LARCH_ADD32 50
|
||||
#define R_LARCH_ADD64 51
|
||||
#define R_LARCH_SUB8 52
|
||||
#define R_LARCH_SUB16 53
|
||||
#define R_LARCH_SUB24 54
|
||||
#define R_LARCH_SUB32 55
|
||||
#define R_LARCH_SUB64 56
|
||||
#define R_LARCH_GNU_VTINHERIT 57
|
||||
#define R_LARCH_GNU_VTENTRY 58
|
||||
#define R_LARCH_B16 64
|
||||
#define R_LARCH_B21 65
|
||||
#define R_LARCH_B26 66
|
||||
#define R_LARCH_ABS_HI20 67
|
||||
#define R_LARCH_ABS_LO12 68
|
||||
#define R_LARCH_ABS64_LO20 69
|
||||
#define R_LARCH_ABS64_HI12 70
|
||||
#define R_LARCH_PCALA_HI20 71
|
||||
#define R_LARCH_PCALA_LO12 72
|
||||
#define R_LARCH_PCALA64_LO20 73
|
||||
#define R_LARCH_PCALA64_HI12 74
|
||||
#define R_LARCH_GOT_PC_HI20 75
|
||||
#define R_LARCH_GOT_PC_LO12 76
|
||||
#define R_LARCH_GOT64_PC_LO20 77
|
||||
#define R_LARCH_GOT64_PC_HI12 78
|
||||
#define R_LARCH_GOT_HI20 79
|
||||
#define R_LARCH_GOT_LO12 80
|
||||
#define R_LARCH_GOT64_LO20 81
|
||||
#define R_LARCH_GOT64_HI12 82
|
||||
#define R_LARCH_TLS_LE_HI20 83
|
||||
#define R_LARCH_TLS_LE_LO12 84
|
||||
#define R_LARCH_TLS_LE64_LO20 85
|
||||
#define R_LARCH_TLS_LE64_HI12 86
|
||||
#define R_LARCH_TLS_IE_PC_HI20 87
|
||||
#define R_LARCH_TLS_IE_PC_LO12 88
|
||||
#define R_LARCH_TLS_IE64_PC_LO20 89
|
||||
#define R_LARCH_TLS_IE64_PC_HI12 90
|
||||
#define R_LARCH_TLS_IE_HI20 91
|
||||
#define R_LARCH_TLS_IE_LO12 92
|
||||
#define R_LARCH_TLS_IE64_LO20 93
|
||||
#define R_LARCH_TLS_IE64_HI12 94
|
||||
#define R_LARCH_TLS_LD_PC_HI20 95
|
||||
#define R_LARCH_TLS_LD_HI20 96
|
||||
#define R_LARCH_TLS_GD_PC_HI20 97
|
||||
#define R_LARCH_TLS_GD_HI20 98
|
||||
#define R_LARCH_32_PCREL 99
|
||||
#define R_LARCH_RELAX 100
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
78
src/fenv/loongarch64/fenv.S
Normal file
78
src/fenv/loongarch64/fenv.S
Normal file
@ -0,0 +1,78 @@
|
||||
#ifndef __loongarch_soft_float
|
||||
|
||||
#ifdef BROKEN_LOONGARCH_FCSR_ASM
|
||||
#define FCSR $r0
|
||||
#else
|
||||
#define FCSR $fcsr0
|
||||
#endif
|
||||
|
||||
.global feclearexcept
|
||||
.type feclearexcept,@function
|
||||
feclearexcept:
|
||||
li.w $t0, 0x1f0000
|
||||
and $a0, $a0, $t0
|
||||
movfcsr2gr $t1, FCSR
|
||||
andn $t1, $t1, $a0
|
||||
movgr2fcsr FCSR, $t1
|
||||
li.w $a0, 0
|
||||
jr $ra
|
||||
|
||||
.global feraiseexcept
|
||||
.type feraiseexcept,@function
|
||||
feraiseexcept:
|
||||
li.w $t0, 0x1f0000
|
||||
and $a0, $a0, $t0
|
||||
movfcsr2gr $t1, FCSR
|
||||
or $t1, $t1, $a0
|
||||
movgr2fcsr FCSR, $t1
|
||||
li.w $a0, 0
|
||||
jr $ra
|
||||
|
||||
.global fetestexcept
|
||||
.type fetestexcept,@function
|
||||
fetestexcept:
|
||||
li.w $t0, 0x1f0000
|
||||
and $a0, $a0, $t0
|
||||
movfcsr2gr $t1, FCSR
|
||||
and $a0, $t1, $a0
|
||||
jr $ra
|
||||
|
||||
.global fegetround
|
||||
.type fegetround,@function
|
||||
fegetround:
|
||||
movfcsr2gr $t0, FCSR
|
||||
andi $a0, $t0, 0x300
|
||||
jr $ra
|
||||
|
||||
.global __fesetround
|
||||
.hidden __fesetround
|
||||
.type __fesetround,@function
|
||||
__fesetround:
|
||||
li.w $t0, 0x300
|
||||
and $a0, $a0, $t0
|
||||
movfcsr2gr $t1, FCSR
|
||||
andn $t1, $t1, $t0
|
||||
or $t1, $t1, $a0
|
||||
movgr2fcsr FCSR, $t1
|
||||
li.w $a0, 0
|
||||
jr $ra
|
||||
|
||||
.global fegetenv
|
||||
.type fegetenv,@function
|
||||
fegetenv:
|
||||
movfcsr2gr $t0, FCSR
|
||||
st.w $t0, $a0, 0
|
||||
li.w $a0, 0
|
||||
jr $ra
|
||||
|
||||
.global fesetenv
|
||||
.type fesetenv,@function
|
||||
fesetenv:
|
||||
addi.d $t0, $a0, 1
|
||||
beq $t0, $r0, 1f
|
||||
ld.w $t0, $a0, 0
|
||||
1: movgr2fcsr FCSR, $t0
|
||||
li.w $a0, 0
|
||||
jr $ra
|
||||
|
||||
#endif
|
7
src/ldso/loongarch64/dlsym.s
Normal file
7
src/ldso/loongarch64/dlsym.s
Normal file
@ -0,0 +1,7 @@
|
||||
.global dlsym
|
||||
.hidden __dlsym
|
||||
.type dlsym,@function
|
||||
dlsym:
|
||||
move $a2, $ra
|
||||
la.global $t0, __dlsym
|
||||
jr $t0
|
32
src/setjmp/loongarch64/longjmp.S
Normal file
32
src/setjmp/loongarch64/longjmp.S
Normal file
@ -0,0 +1,32 @@
|
||||
.global _longjmp
|
||||
.global longjmp
|
||||
.type _longjmp,@function
|
||||
.type longjmp,@function
|
||||
_longjmp:
|
||||
longjmp:
|
||||
ld.d $ra, $a0, 0
|
||||
ld.d $sp, $a0, 8
|
||||
ld.d $r21,$a0, 16
|
||||
ld.d $fp, $a0, 24
|
||||
ld.d $s0, $a0, 32
|
||||
ld.d $s1, $a0, 40
|
||||
ld.d $s2, $a0, 48
|
||||
ld.d $s3, $a0, 56
|
||||
ld.d $s4, $a0, 64
|
||||
ld.d $s5, $a0, 72
|
||||
ld.d $s6, $a0, 80
|
||||
ld.d $s7, $a0, 88
|
||||
ld.d $s8, $a0, 96
|
||||
#ifndef __loongarch_soft_float
|
||||
fld.d $fs0, $a0, 104
|
||||
fld.d $fs1, $a0, 112
|
||||
fld.d $fs2, $a0, 120
|
||||
fld.d $fs3, $a0, 128
|
||||
fld.d $fs4, $a0, 136
|
||||
fld.d $fs5, $a0, 144
|
||||
fld.d $fs6, $a0, 152
|
||||
fld.d $fs7, $a0, 160
|
||||
#endif
|
||||
sltui $a0, $a1, 1
|
||||
add.d $a0, $a0, $a1
|
||||
jr $ra
|
34
src/setjmp/loongarch64/setjmp.S
Normal file
34
src/setjmp/loongarch64/setjmp.S
Normal file
@ -0,0 +1,34 @@
|
||||
.global __setjmp
|
||||
.global _setjmp
|
||||
.global setjmp
|
||||
.type __setjmp,@function
|
||||
.type _setjmp,@function
|
||||
.type setjmp,@function
|
||||
__setjmp:
|
||||
_setjmp:
|
||||
setjmp:
|
||||
st.d $ra, $a0, 0
|
||||
st.d $sp, $a0, 8
|
||||
st.d $r21,$a0, 16
|
||||
st.d $fp, $a0, 24
|
||||
st.d $s0, $a0, 32
|
||||
st.d $s1, $a0, 40
|
||||
st.d $s2, $a0, 48
|
||||
st.d $s3, $a0, 56
|
||||
st.d $s4, $a0, 64
|
||||
st.d $s5, $a0, 72
|
||||
st.d $s6, $a0, 80
|
||||
st.d $s7, $a0, 88
|
||||
st.d $s8, $a0, 96
|
||||
#ifndef __loongarch_soft_float
|
||||
fst.d $fs0, $a0, 104
|
||||
fst.d $fs1, $a0, 112
|
||||
fst.d $fs2, $a0, 120
|
||||
fst.d $fs3, $a0, 128
|
||||
fst.d $fs4, $a0, 136
|
||||
fst.d $fs5, $a0, 144
|
||||
fst.d $fs6, $a0, 152
|
||||
fst.d $fs7, $a0, 160
|
||||
#endif
|
||||
move $a0, $zero
|
||||
jr $ra
|
10
src/signal/loongarch64/restore.s
Normal file
10
src/signal/loongarch64/restore.s
Normal file
@ -0,0 +1,10 @@
|
||||
.global __restore_rt
|
||||
.global __restore
|
||||
.hidden __restore_rt
|
||||
.hidden __restore
|
||||
.type __restore_rt,@function
|
||||
.type __restore,@function
|
||||
__restore_rt:
|
||||
__restore:
|
||||
li.w $a7, 139
|
||||
syscall 0
|
25
src/signal/loongarch64/sigsetjmp.s
Normal file
25
src/signal/loongarch64/sigsetjmp.s
Normal file
@ -0,0 +1,25 @@
|
||||
.global sigsetjmp
|
||||
.global __sigsetjmp
|
||||
.type sigsetjmp,@function
|
||||
.type __sigsetjmp,@function
|
||||
sigsetjmp:
|
||||
__sigsetjmp:
|
||||
beq $a1, $zero, 1f
|
||||
st.d $ra, $a0, 184
|
||||
st.d $s0, $a0, 200 #184+8+8
|
||||
move $s0, $a0
|
||||
|
||||
la.global $t0, setjmp
|
||||
jirl $ra, $t0, 0
|
||||
|
||||
move $a1, $a0 # Return from 'setjmp' or 'longjmp'
|
||||
move $a0, $s0
|
||||
ld.d $ra, $a0, 184
|
||||
ld.d $s0, $a0, 200 #184+8+8
|
||||
|
||||
.hidden __sigsetjmp_tail
|
||||
la.global $t0, __sigsetjmp_tail
|
||||
jr $t0
|
||||
1:
|
||||
la.global $t0, setjmp
|
||||
jr $t0
|
7
src/thread/loongarch64/__set_thread_area.s
Normal file
7
src/thread/loongarch64/__set_thread_area.s
Normal file
@ -0,0 +1,7 @@
|
||||
.global __set_thread_area
|
||||
.hidden __set_thread_area
|
||||
.type __set_thread_area,@function
|
||||
__set_thread_area:
|
||||
move $tp, $a0
|
||||
move $a0, $zero
|
||||
jr $ra
|
7
src/thread/loongarch64/__unmapself.s
Normal file
7
src/thread/loongarch64/__unmapself.s
Normal file
@ -0,0 +1,7 @@
|
||||
.global __unmapself
|
||||
.type __unmapself, @function
|
||||
__unmapself:
|
||||
li.d $a7, 215 # call munmap
|
||||
syscall 0
|
||||
li.d $a7, 93 # call exit
|
||||
syscall 0
|
28
src/thread/loongarch64/clone.s
Normal file
28
src/thread/loongarch64/clone.s
Normal file
@ -0,0 +1,28 @@
|
||||
#__clone(func, stack, flags, arg, ptid, tls, ctid)
|
||||
# a0, a1, a2, a3, a4, a5, a6
|
||||
# sys_clone(flags, stack, ptid, ctid, tls)
|
||||
# a0, a1, a2, a3, a4
|
||||
|
||||
.global __clone
|
||||
.hidden __clone
|
||||
.type __clone,@function
|
||||
__clone:
|
||||
# Save function pointer and argument pointer on new thread stack
|
||||
addi.d $a1, $a1, -16
|
||||
st.d $a0, $a1, 0 # save function pointer
|
||||
st.d $a3, $a1, 8 # save argument pointer
|
||||
or $a0, $a2, $zero
|
||||
or $a2, $a4, $zero
|
||||
or $a3, $a6, $zero
|
||||
or $a4, $a5, $zero
|
||||
ori $a7, $zero, 220
|
||||
syscall 0 # call clone
|
||||
|
||||
beqz $a0, 1f # whether child process
|
||||
jirl $zero, $ra, 0 # parent process return
|
||||
1:
|
||||
ld.d $t8, $sp, 0 # function pointer
|
||||
ld.d $a0, $sp, 8 # argument pointer
|
||||
jirl $ra, $t8, 0 # call the user's function
|
||||
ori $a7, $zero, 93
|
||||
syscall 0 # child process exit
|
29
src/thread/loongarch64/syscall_cp.s
Normal file
29
src/thread/loongarch64/syscall_cp.s
Normal file
@ -0,0 +1,29 @@
|
||||
.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
|
||||
|
||||
__syscall_cp_asm:
|
||||
__cp_begin:
|
||||
ld.w $a0, $a0, 0
|
||||
bnez $a0, __cp_cancel
|
||||
move $t8, $a1 # reserve system call number
|
||||
move $a0, $a2
|
||||
move $a1, $a3
|
||||
move $a2, $a4
|
||||
move $a3, $a5
|
||||
move $a4, $a6
|
||||
move $a5, $a7
|
||||
move $a7, $t8
|
||||
syscall 0
|
||||
__cp_end:
|
||||
jr $ra
|
||||
__cp_cancel:
|
||||
la.local $t8, __cancel
|
||||
jr $t8
|
Loading…
Reference in New Issue
Block a user