Merge pull request #21499 from alexrp/loongarch-gnusf

Add `loongarch64-linux-gnusf` target support

28 files changed, 1267 insertions, 37 deletions

diff --git a/lib/libc/glibc/abilists b/lib/libc/glibc/abilists
index 4e61797327..3aed1e0f93 100644
--- a/lib/libc/glibc/abilists
+++ b/lib/libc/glibc/abilists
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/endianness.h b/lib/libc/include/loongarch64-linux-gnusf/bits/endianness.h
new file mode 100644
index 0000000000..989463fb5d
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/endianness.h
@@ -0,0 +1,11 @@
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+#error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* LoongArch is little-endian.  */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/fcntl.h b/lib/libc/include/loongarch64-linux-gnusf/bits/fcntl.h
new file mode 100644
index 0000000000..bbbde65d43
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/fcntl.h
@@ -0,0 +1,61 @@
+/* O_*, F_*, FD_* bit values for the generic Linux/LoongArch ABI.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+/* In 64-bit ISA files are always with 64bit off_t and F_*LK64 are the same as
+   non-64-bit versions.  It will need to be revised for 128-bit.  */
+#if __WORDSIZE == 64
+#define __O_LARGEFILE 0
+
+#define F_GETLK64 5  /* Get record locking info.  */
+#define F_SETLK64 6  /* Set record locking info (non-blocking).  */
+#define F_SETLKW64 7 /* Set record locking info (blocking).  */
+#endif
+
+struct flock
+{
+  short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+  short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
+#ifndef __USE_FILE_OFFSET64
+  __off_t l_start; /* Offset where the lock begins.  */
+  __off_t l_len;   /* Size of the locked area; zero means until EOF.  */
+#else
+  __off64_t l_start; /* Offset where the lock begins.  */
+  __off64_t l_len;   /* Size of the locked area; zero means until EOF.  */
+#endif
+  __pid_t l_pid; /* Process holding the lock.  */
+};
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+{
+  short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+  short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
+  __off64_t l_start;  /* Offset where the lock begins.  */
+  __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
+  __pid_t l_pid;      /* Process holding the lock.  */
+};
+#endif
+
+/* Include generic Linux declarations.  */
+#include <bits/fcntl-linux.h>
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/fenv.h b/lib/libc/include/loongarch64-linux-gnusf/bits/fenv.h
new file mode 100644
index 0000000000..92dc84011a
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/fenv.h
@@ -0,0 +1,90 @@
+/* Floating point environment.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _FENV_H
+#error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* Define bits representing the exception.  We use the bit positions
+   of the appropriate bits in the FPU control word.  */
+enum
+{
+  FE_INEXACT =
+#define FE_INEXACT 0x010000
+    FE_INEXACT,
+  FE_UNDERFLOW =
+#define FE_UNDERFLOW 0x020000
+    FE_UNDERFLOW,
+  FE_OVERFLOW =
+#define FE_OVERFLOW 0x040000
+    FE_OVERFLOW,
+  FE_DIVBYZERO =
+#define FE_DIVBYZERO 0x080000
+    FE_DIVBYZERO,
+  FE_INVALID =
+#define FE_INVALID 0x100000
+    FE_INVALID,
+};
+
+#define FE_ALL_EXCEPT \
+  (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The LoongArch FPU supports all of the four defined rounding modes.  We
+   use again the bit positions in the FPU control word as the values
+   for the appropriate macros.  */
+enum
+{
+  FE_TONEAREST =
+#define FE_TONEAREST 0x000
+    FE_TONEAREST,
+  FE_TOWARDZERO =
+#define FE_TOWARDZERO 0x100
+    FE_TOWARDZERO,
+  FE_UPWARD =
+#define FE_UPWARD 0x200
+    FE_UPWARD,
+  FE_DOWNWARD =
+#define FE_DOWNWARD 0x300
+    FE_DOWNWARD
+};
+
+/* Type representing exception flags.  */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment.  This function corresponds
+   to the layout of the block written by the `fstenv'.  */
+typedef struct
+{
+  unsigned int __fp_control_register;
+} fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exception is masked.  */
+#define FE_NOMASK_ENV ((const fenv_t *) -257)
+#endif
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C23)
+/* Type representing floating-point control modes.  */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes.  */
+#define FE_DFL_MODE ((const femode_t *) -1L)
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/hwcap.h b/lib/libc/include/loongarch64-linux-gnusf/bits/hwcap.h
new file mode 100644
index 0000000000..3b3d1ad463
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/hwcap.h
@@ -0,0 +1,38 @@
+/* Defines for bits in AT_HWCAP.  LoongArch64 Linux version.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <http://www.gnu.org/licenses/>.  */
+
+#if !defined (_SYS_AUXV_H)
+# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
+#endif
+
+/* The following must match the kernel's <asm/hwcap.h>.  */
+/* HWCAP flags */
+#define HWCAP_LOONGARCH_CPUCFG          (1 << 0)
+#define HWCAP_LOONGARCH_LAM             (1 << 1)
+#define HWCAP_LOONGARCH_UAL             (1 << 2)
+#define HWCAP_LOONGARCH_FPU             (1 << 3)
+#define HWCAP_LOONGARCH_LSX             (1 << 4)
+#define HWCAP_LOONGARCH_LASX            (1 << 5)
+#define HWCAP_LOONGARCH_CRC32           (1 << 6)
+#define HWCAP_LOONGARCH_COMPLEX         (1 << 7)
+#define HWCAP_LOONGARCH_CRYPTO          (1 << 8)
+#define HWCAP_LOONGARCH_LVZ             (1 << 9)
+#define HWCAP_LOONGARCH_LBT_X86         (1 << 10)
+#define HWCAP_LOONGARCH_LBT_ARM         (1 << 11)
+#define HWCAP_LOONGARCH_LBT_MIPS        (1 << 12)
+#define HWCAP_LOONGARCH_PTW             (1 << 13)
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/link.h b/lib/libc/include/loongarch64-linux-gnusf/bits/link.h
new file mode 100644
index 0000000000..821a54fe54
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/link.h
@@ -0,0 +1,76 @@
+/* Machine-specific declarations for dynamic linker interface.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _LINK_H
+#error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+#ifndef __loongarch_soft_float
+typedef float La_loongarch_vr
+    __attribute__ ((__vector_size__ (16), __aligned__ (16)));
+typedef float La_loongarch_xr
+    __attribute__ ((__vector_size__ (32), __aligned__ (16)));
+
+typedef union
+{
+  double fpreg[4];
+  La_loongarch_vr vr[2];
+  La_loongarch_xr xr[1];
+} La_loongarch_vector __attribute__ ((__aligned__ (16)));
+#endif
+
+typedef struct La_loongarch_regs
+{
+  unsigned long int lr_reg[8]; /* a0 - a7 */
+#ifndef __loongarch_soft_float
+  La_loongarch_vector lr_vec[8]; /* fa0 - fa7 or vr0 - vr7 or xr0 - xr7*/
+#endif
+  unsigned long int lr_ra;
+  unsigned long int lr_sp;
+} La_loongarch_regs;
+
+/* Return values for calls from PLT on LoongArch.  */
+typedef struct La_loongarch_retval
+{
+  unsigned long int lrv_a0;
+  unsigned long int lrv_a1;
+#ifndef __loongarch_soft_float
+  La_loongarch_vector lrv_vec0;
+  La_loongarch_vector lrv_vec1;
+#endif
+} La_loongarch_retval;
+
+__BEGIN_DECLS
+
+extern ElfW (Addr) la_loongarch_gnu_pltenter (ElfW (Sym) *__sym,
+					      unsigned int __ndx,
+					      uintptr_t *__refcook,
+					      uintptr_t *__defcook,
+					      La_loongarch_regs *__regs,
+					      unsigned int *__flags,
+					      const char *__symname,
+					      long int *__framesizep);
+extern unsigned int la_loongarch_gnu_pltexit (ElfW (Sym) *__sym,
+					      unsigned int __ndx,
+					      uintptr_t *__refcook,
+					      uintptr_t *__defcook,
+					      const La_loongarch_regs *__inregs,
+					      La_loongarch_retval *__outregs,
+					      const char *__symname);
+
+__END_DECLS
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/link_lavcurrent.h b/lib/libc/include/loongarch64-linux-gnusf/bits/link_lavcurrent.h
new file mode 100644
index 0000000000..36d637cd1f
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/link_lavcurrent.h
@@ -0,0 +1,25 @@
+/* Data structure for communication from the run-time dynamic linker for
+   loaded ELF shared objects.  LAV_CURRENT definition.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _LINK_H
+# error "Never include <bits/link_lavcurrent.h> directly; use <link.h> instead."
+#endif
+
+/* Version numbers for la_version handshake interface.  */
+#define LAV_CURRENT	3
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/long-double.h b/lib/libc/include/loongarch64-linux-gnusf/bits/long-double.h
new file mode 100644
index 0000000000..a83f6c746f
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/long-double.h
@@ -0,0 +1,21 @@
+/* Properties of long double type.  ldbl-128 version.
+   Copyright (C) 2016-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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  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
+   <https://www.gnu.org/licenses/>.  */
+
+/* long double is distinct from double, so there is nothing to
+   define here.  */
+#define __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI 0
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/procfs.h b/lib/libc/include/loongarch64-linux-gnusf/bits/procfs.h
new file mode 100644
index 0000000000..4371fd0a8f
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/procfs.h
@@ -0,0 +1,52 @@
+/* Types for registers for sys/procfs.h.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_PROCFS_H
+# error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead."
+#endif
+
+/* Type for a general-purpose register.  */
+typedef __uint64_t elf_greg_t;
+
+/* And the whole bunch of them.  We could have used `struct
+   pt_regs' directly in the typedef, but tradition says that
+   the register set is an array, which does have some peculiar
+   semantics, so leave it that way.  */
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof (elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+#define ELF_NFPREG 34 /* 32 FPRs + 8-byte byte-vec for fcc + 4-byte FCR */
+typedef union
+{
+  double d;
+  float f;
+} elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+typedef union
+{
+  double d[2];
+  float f[4];
+} __attribute__ ((__aligned__ (16))) elf_lsxregset_t[32];
+
+typedef union
+{
+  double d[4];
+  float f[8];
+} __attribute__ ((__aligned__ (32))) elf_lasxregset_t[32];
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/pthread_stack_min.h b/lib/libc/include/loongarch64-linux-gnusf/bits/pthread_stack_min.h
new file mode 100644
index 0000000000..4a05d0d8a5
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/pthread_stack_min.h
@@ -0,0 +1,20 @@
+/* Definition of PTHREAD_STACK_MIN.  LoongArch Linux version.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+/* Minimum size for a thread.  At least two pages with 64k pages.  */
+#define PTHREAD_STACK_MIN	131072
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/setjmp.h b/lib/libc/include/loongarch64-linux-gnusf/bits/setjmp.h
new file mode 100644
index 0000000000..59214222c8
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/setjmp.h
@@ -0,0 +1,42 @@
+/* Define the machine-dependent type `jmp_buf'.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _LOONGARCH_BITS_SETJMP_H
+#define _LOONGARCH_BITS_SETJMP_H
+
+typedef struct __jmp_buf_internal_tag
+{
+  /* Program counter.  */
+  long int __pc;
+  /* Stack pointer.  */
+  long int __sp;
+  /* Reserved */
+  long int __x;
+  /* Frame pointer.  */
+  long int __fp;
+  /* Callee-saved registers.  */
+  long int __regs[9];
+
+#ifndef __loongarch_soft_float
+  /* Callee-saved floating point registers.  */
+  double __fpregs[8];
+#endif
+
+} __jmp_buf[1];
+
+#endif /* _LOONGARCH_BITS_SETJMP_H */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/shmlba.h b/lib/libc/include/loongarch64-linux-gnusf/bits/shmlba.h
new file mode 100644
index 0000000000..166f19c016
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/shmlba.h
@@ -0,0 +1,24 @@
+/* Define SHMLBA.  LoongArch version.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_SHM_H
+# error "Never use <bits/shmlba.h> directly; include <sys/shm.h> instead."
+#endif
+
+/* Segment low boundary address multiple.  */
+#define SHMLBA		0x10000
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/sigstack.h b/lib/libc/include/loongarch64-linux-gnusf/bits/sigstack.h
new file mode 100644
index 0000000000..af2933a8ce
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/sigstack.h
@@ -0,0 +1,32 @@
+/* sigstack, sigaltstack definitions.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_SIGSTACK_H
+#define _BITS_SIGSTACK_H 1
+
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
+# error "Never include this file directly.  Use <signal.h> instead"
+#endif
+
+/* Minimum stack size for a signal handler.  */
+#define MINSIGSTKSZ	4096
+
+/* System default stack size.  */
+#define SIGSTKSZ	16384
+
+#endif /* bits/sigstack.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/struct_stat.h b/lib/libc/include/loongarch64-linux-gnusf/bits/struct_stat.h
new file mode 100644
index 0000000000..c8e2d78b57
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/struct_stat.h
@@ -0,0 +1,127 @@
+/* Definition for struct stat.
+   Copyright (C) 2020-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#if !defined _SYS_STAT_H && !defined _FCNTL_H
+# error "Never include <bits/struct_stat.h> directly; use <sys/stat.h> instead."
+#endif
+
+#ifndef _BITS_STRUCT_STAT_H
+#define _BITS_STRUCT_STAT_H	1
+
+#include <bits/endian.h>
+#include <bits/wordsize.h>
+
+#if defined __USE_FILE_OFFSET64
+# define __field64(type, type64, name) type64 name
+#elif __WORDSIZE == 64 || defined __INO_T_MATCHES_INO64_T
+# if defined __INO_T_MATCHES_INO64_T && !defined __OFF_T_MATCHES_OFF64_T
+#  error "ino_t and off_t must both be the same type"
+# endif
+# define __field64(type, type64, name) type name
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+# define __field64(type, type64, name) \
+  type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
+#else
+# define __field64(type, type64, name) \
+  int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
+#endif
+
+struct stat
+  {
+    __dev_t st_dev;		/* Device.  */
+    __field64(__ino_t, __ino64_t, st_ino);  /* File serial number. */
+    __mode_t st_mode;		/* File mode.  */
+    __nlink_t st_nlink;		/* Link count.  */
+    __uid_t st_uid;		/* User ID of the file's owner.	*/
+    __gid_t st_gid;		/* Group ID of the file's group.*/
+    __dev_t st_rdev;		/* Device number, if device.  */
+    __dev_t __pad1;
+    __field64(__off_t, __off64_t, st_size);  /* Size of file, in bytes. */
+    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
+    int __pad2;
+    __field64(__blkcnt_t, __blkcnt64_t, st_blocks);  /* 512-byte blocks */
+#ifdef __USE_XOPEN2K8
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+# define st_atime st_atim.tv_sec	/* Backward compatibility.  */
+# define st_mtime st_mtim.tv_sec
+# define st_ctime st_ctim.tv_sec
+#else
+    __time_t st_atime;			/* Time of last access.  */
+    unsigned long int st_atimensec;	/* Nscecs of last access.  */
+    __time_t st_mtime;			/* Time of last modification.  */
+    unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
+    __time_t st_ctime;			/* Time of last status change.  */
+    unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
+    int __glibc_reserved[2];
+  };
+
+#undef __field64
+
+#ifdef __USE_LARGEFILE64
+struct stat64
+  {
+    __dev_t st_dev;		/* Device.  */
+    __ino64_t st_ino;		/* File serial number.	*/
+    __mode_t st_mode;		/* File mode.  */
+    __nlink_t st_nlink;		/* Link count.  */
+    __uid_t st_uid;		/* User ID of the file's owner.	*/
+    __gid_t st_gid;		/* Group ID of the file's group.*/
+    __dev_t st_rdev;		/* Device number, if device.  */
+    __dev_t __pad1;
+    __off64_t st_size;		/* Size of file, in bytes.  */
+    __blksize_t st_blksize;	/* Optimal block size for I/O.  */
+    int __pad2;
+    __blkcnt64_t st_blocks;	/* Nr. 512-byte blocks allocated.  */
+#ifdef __USE_XOPEN2K8
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+#else
+    __time_t st_atime;			/* Time of last access.  */
+    unsigned long int st_atimensec;	/* Nscecs of last access.  */
+    __time_t st_mtime;			/* Time of last modification.  */
+    unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
+    __time_t st_ctime;			/* Time of last status change.  */
+    unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
+    int __glibc_reserved[2];
+  };
+#endif
+
+/* Tell code we have these members.  */
+#define	_STATBUF_ST_BLKSIZE
+#define _STATBUF_ST_RDEV
+/* Nanosecond resolution time values are supported.  */
+#define _STATBUF_ST_NSEC
+
+#endif /* _BITS_STRUCT_STAT_H  */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/timesize.h b/lib/libc/include/loongarch64-linux-gnusf/bits/timesize.h
new file mode 100644
index 0000000000..17f828ecfe
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/timesize.h
@@ -0,0 +1,20 @@
+/* Bit size of the time_t type at glibc build time, general case.
+   Copyright (C) 2018-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+/* Size in bits of the 'time_t' type of the default ABI.  */
+#define __TIMESIZE	64
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/bits/wordsize.h b/lib/libc/include/loongarch64-linux-gnusf/bits/wordsize.h
new file mode 100644
index 0000000000..98996fdf03
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/bits/wordsize.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 1999-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#define __WORDSIZE			64
+#define __WORDSIZE_TIME64_COMPAT32	0
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/fpu_control.h b/lib/libc/include/loongarch64-linux-gnusf/fpu_control.h
new file mode 100644
index 0000000000..d52d6d51cc
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/fpu_control.h
@@ -0,0 +1,119 @@
+/* FPU control word bits.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* LoongArch FPU floating point control register bits.
+ *
+ * 31-29  -> reserved (read as 0, can not changed by software)
+ * 28     -> cause bit for invalid exception
+ * 27     -> cause bit for division by zero exception
+ * 26     -> cause bit for overflow exception
+ * 25     -> cause bit for underflow exception
+ * 24     -> cause bit for inexact exception
+ * 23-21  -> reserved (read as 0, can not changed by software)
+ * 20     -> flag invalid exception
+ * 19     -> flag division by zero exception
+ * 18     -> flag overflow exception
+ * 17     -> flag underflow exception
+ * 16     -> flag inexact exception
+ *  9-8   -> rounding control
+ *  7-5   -> reserved (read as 0, can not changed by software)
+ *  4     -> enable exception for invalid exception
+ *  3     -> enable exception for division by zero exception
+ *  2     -> enable exception for overflow exception
+ *  1     -> enable exception for underflow exception
+ *  0     -> enable exception for inexact exception
+ *
+ *
+ * Rounding Control:
+ * 00 - rounding ties to even (RNE)
+ * 01 - rounding toward zero (RZ)
+ * 10 - rounding (up) toward plus infinity (RP)
+ * 11 - rounding (down) toward minus infinity (RM)
+ */
+
+#include <features.h>
+
+#ifdef __loongarch_soft_float
+
+#define _FPU_RESERVED 0xffffffff
+#define _FPU_DEFAULT 0x00000000
+typedef unsigned int fpu_control_t;
+#define _FPU_GETCW(cw) (cw) = 0
+#define _FPU_SETCW(cw) (void) (cw)
+extern fpu_control_t __fpu_control;
+
+#else /* __loongarch_soft_float */
+
+/* Masks for interrupts.  */
+#define _FPU_MASK_V 0x10 /* Invalid operation */
+#define _FPU_MASK_Z 0x08 /* Division by zero  */
+#define _FPU_MASK_O 0x04 /* Overflow */
+#define _FPU_MASK_U 0x02 /* Underflow */
+#define _FPU_MASK_I 0x01 /* Inexact operation */
+
+/* Flush denormalized numbers to zero.  */
+#define _FPU_FLUSH_TZ 0x1000000
+
+/* Rounding control.  */
+#define _FPU_RC_NEAREST 0x000 /* RECOMMENDED */
+#define _FPU_RC_ZERO 0x100
+#define _FPU_RC_UP 0x200
+#define _FPU_RC_DOWN 0x300
+/* Mask for rounding control.  */
+#define _FPU_RC_MASK 0x300
+
+#define _FPU_RESERVED 0x0
+
+#define _FPU_DEFAULT 0x0
+#define _FPU_IEEE 0x1F
+
+/* Type of the control word.  */
+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
+
+/* Macros for accessing the hardware control word.  */
+extern fpu_control_t __loongarch_fpu_getcw (void) __THROW;
+extern void __loongarch_fpu_setcw (fpu_control_t) __THROW;
+#define _FPU_GETCW(cw) __asm__ volatile ("movfcsr2gr %0,$fcsr0" : "=r"(cw))
+#define _FPU_SETCW(cw) __asm__ volatile ("movgr2fcsr $fcsr0,%0" : : "r"(cw))
+
+/* Default control word set at startup.  */
+extern fpu_control_t __fpu_control;
+
+# define _FCLASS_SNAN     (1 << 0)
+# define _FCLASS_QNAN     (1 << 1)
+# define _FCLASS_MINF     (1 << 2)
+# define _FCLASS_MNORM    (1 << 3)
+# define _FCLASS_MSUBNORM (1 << 4)
+# define _FCLASS_MZERO    (1 << 5)
+# define _FCLASS_PINF     (1 << 6)
+# define _FCLASS_PNORM    (1 << 7)
+# define _FCLASS_PSUBNORM (1 << 8)
+# define _FCLASS_PZERO    (1 << 9)
+
+# define _FCLASS_ZERO     (_FCLASS_MZERO | _FCLASS_PZERO)
+# define _FCLASS_SUBNORM  (_FCLASS_MSUBNORM | _FCLASS_PSUBNORM)
+# define _FCLASS_NORM     (_FCLASS_MNORM | _FCLASS_PNORM)
+# define _FCLASS_INF      (_FCLASS_MINF | _FCLASS_PINF)
+# define _FCLASS_NAN      (_FCLASS_SNAN | _FCLASS_QNAN)
+
+#endif /* __loongarch_soft_float */
+
+#endif /* fpu_control.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names-lp64s.h b/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names-lp64s.h
new file mode 100644
index 0000000000..7c8b796194
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names-lp64s.h
@@ -0,0 +1,27 @@
+/* This file is automatically generated.  */
+#ifndef __GNU_LIB_NAMES_H
+# error "Never use <gnu/lib-names-lp64s.h> directly; include <gnu/lib-names.h> instead."
+#endif
+
+#define LD_LINUX_LOONGARCH_LP64S_SO     "ld-linux-loongarch-lp64s.so.1"
+#define LD_SO                           "ld-linux-loongarch-lp64s.so.1"
+#define LIBANL_SO                       "libanl.so.1"
+#define LIBBROKENLOCALE_SO              "libBrokenLocale.so.1"
+#define LIBC_MALLOC_DEBUG_SO            "libc_malloc_debug.so.0"
+#define LIBC_SO                         "libc.so.6"
+#define LIBDL_SO                        "libdl.so.2"
+#define LIBGCC_S_SO                     "libgcc_s.so.1"
+#define LIBMVEC_SO                      "libmvec.so.1"
+#define LIBM_SO                         "libm.so.6"
+#define LIBNSL_SO                       "libnsl.so.1"
+#define LIBNSS_COMPAT_SO                "libnss_compat.so.2"
+#define LIBNSS_DB_SO                    "libnss_db.so.2"
+#define LIBNSS_DNS_SO                   "libnss_dns.so.2"
+#define LIBNSS_FILES_SO                 "libnss_files.so.2"
+#define LIBNSS_HESIOD_SO                "libnss_hesiod.so.2"
+#define LIBNSS_LDAP_SO                  "libnss_ldap.so.2"
+#define LIBPTHREAD_SO                   "libpthread.so.0"
+#define LIBRESOLV_SO                    "libresolv.so.2"
+#define LIBRT_SO                        "librt.so.1"
+#define LIBTHREAD_DB_SO                 "libthread_db.so.1"
+#define LIBUTIL_SO                      "libutil.so.1"
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names.h b/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names.h
new file mode 100644
index 0000000000..c3eba41e09
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/gnu/lib-names.h
@@ -0,0 +1,16 @@
+/* This file is automatically generated.
+   It defines macros to allow user program to find the shared
+   library files which come as part of GNU libc.  */
+#ifndef __GNU_LIB_NAMES_H
+#define __GNU_LIB_NAMES_H	1
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64 && defined __loongarch_soft_float
+# include <gnu/lib-names-lp64s.h>
+#endif
+#if __WORDSIZE == 64 && defined __loongarch_double_float
+# include <gnu/lib-names-lp64d.h>
+#endif
+
+#endif	/* gnu/lib-names.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs-lp64s.h b/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs-lp64s.h
new file mode 100644
index 0000000000..6ce02418e6
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs-lp64s.h
@@ -0,0 +1,38 @@
+/* This file is automatically generated.
+   It defines a symbol `__stub_FUNCTION' for each function
+   in the C library which is a stub, meaning it will fail
+   every time called, usually setting errno to ENOSYS.  */
+
+#ifdef _LIBC
+ #error Applications may not define the macro _LIBC
+#endif
+
+#define __stub___compat_bdflush
+#define __stub___compat_create_module
+#define __stub___compat_get_kernel_syms
+#define __stub___compat_query_module
+#define __stub___compat_uselib
+#define __stub_chflags
+#define __stub_fchflags
+#define __stub_feclearexcept
+#define __stub_fedisableexcept
+#define __stub_feenableexcept
+#define __stub_fegetenv
+#define __stub_fegetexcept
+#define __stub_fegetexceptflag
+#define __stub_fegetmode
+#define __stub_fegetround
+#define __stub_feholdexcept
+#define __stub_feraiseexcept
+#define __stub_fesetenv
+#define __stub_fesetexcept
+#define __stub_fesetexceptflag
+#define __stub_fesetmode
+#define __stub_fesetround
+#define __stub_fetestexcept
+#define __stub_feupdateenv
+#define __stub_gtty
+#define __stub_revoke
+#define __stub_setlogin
+#define __stub_sigreturn
+#define __stub_stty
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs.h b/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs.h
new file mode 100644
index 0000000000..ea3f10c421
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/gnu/stubs.h
@@ -0,0 +1,12 @@
+/* This file is automatically generated.
+   This file selects the right generated file of `__stub_FUNCTION' macros
+   based on the architecture being compiled for.  */
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64 && defined __loongarch_soft_float
+# include <gnu/stubs-lp64s.h>
+#endif
+#if __WORDSIZE == 64 && defined __loongarch_double_float
+# include <gnu/stubs-lp64d.h>
+#endif
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/ieee754.h b/lib/libc/include/loongarch64-linux-gnusf/ieee754.h
new file mode 100644
index 0000000000..b1e2ec7dc6
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/ieee754.h
@@ -0,0 +1,170 @@
+/* Copyright (C) 1992-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _IEEE754_H
+#define _IEEE754_H 1
+
+#include <features.h>
+
+#include <bits/endian.h>
+
+__BEGIN_DECLS
+
+union ieee754_float
+  {
+    float f;
+
+    /* This is the IEEE 754 single-precision format.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:8;
+	unsigned int mantissa:23;
+#endif				/* Big endian.  */
+#if	__BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int mantissa:23;
+	unsigned int exponent:8;
+	unsigned int negative:1;
+#endif				/* Little endian.  */
+      } ieee;
+
+    /* This format makes it easier to see if a NaN is a signalling NaN.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:8;
+	unsigned int quiet_nan:1;
+	unsigned int mantissa:22;
+#endif				/* Big endian.  */
+#if	__BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int mantissa:22;
+	unsigned int quiet_nan:1;
+	unsigned int exponent:8;
+	unsigned int negative:1;
+#endif				/* Little endian.  */
+      } ieee_nan;
+  };
+
+#define IEEE754_FLOAT_BIAS	0x7f /* Added to exponent.  */
+
+
+union ieee754_double
+  {
+    double d;
+
+    /* This is the IEEE 754 double-precision format.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:11;
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa0:20;
+	unsigned int mantissa1:32;
+#endif				/* Big endian.  */
+#if	__BYTE_ORDER == __LITTLE_ENDIAN
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa1:32;
+	unsigned int mantissa0:20;
+	unsigned int exponent:11;
+	unsigned int negative:1;
+#endif				/* Little endian.  */
+      } ieee;
+
+    /* This format makes it easier to see if a NaN is a signalling NaN.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:11;
+	unsigned int quiet_nan:1;
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa0:19;
+	unsigned int mantissa1:32;
+#else
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa1:32;
+	unsigned int mantissa0:19;
+	unsigned int quiet_nan:1;
+	unsigned int exponent:11;
+	unsigned int negative:1;
+#endif
+      } ieee_nan;
+  };
+
+#define IEEE754_DOUBLE_BIAS	0x3ff /* Added to exponent.  */
+
+
+union ieee854_long_double
+  {
+    long double d;
+
+    /* This is the IEEE 854 quad-precision format.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:15;
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa0:16;
+	unsigned int mantissa1:32;
+	unsigned int mantissa2:32;
+	unsigned int mantissa3:32;
+#endif				/* Big endian.  */
+#if	__BYTE_ORDER == __LITTLE_ENDIAN
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa3:32;
+	unsigned int mantissa2:32;
+	unsigned int mantissa1:32;
+	unsigned int mantissa0:16;
+	unsigned int exponent:15;
+	unsigned int negative:1;
+#endif				/* Little endian.  */
+      } ieee;
+
+    /* This format makes it easier to see if a NaN is a signalling NaN.  */
+    struct
+      {
+#if	__BYTE_ORDER == __BIG_ENDIAN
+	unsigned int negative:1;
+	unsigned int exponent:15;
+	unsigned int quiet_nan:1;
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa0:15;
+	unsigned int mantissa1:32;
+	unsigned int mantissa2:32;
+	unsigned int mantissa3:32;
+#else
+	/* Together these comprise the mantissa.  */
+	unsigned int mantissa3:32;
+	unsigned int mantissa2:32;
+	unsigned int mantissa1:32;
+	unsigned int mantissa0:15;
+	unsigned int quiet_nan:1;
+	unsigned int exponent:15;
+	unsigned int negative:1;
+#endif
+      } ieee_nan;
+  };
+
+#define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent.  */
+
+__END_DECLS
+
+#endif /* ieee754.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/sys/asm.h b/lib/libc/include/loongarch64-linux-gnusf/sys/asm.h
new file mode 100644
index 0000000000..282831f10d
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/sys/asm.h
@@ -0,0 +1,78 @@
+/* Miscellaneous macros.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_ASM_H
+#define _SYS_ASM_H
+
+#include <sys/regdef.h>
+#include <sysdeps/generic/sysdep.h>
+
+/* Macros to handle different pointer/register sizes for 32/64-bit code.  */
+#define SZREG 8
+#define SZFREG 8
+#define SZVREG 16
+#define SZXREG 32
+#define REG_L ld.d
+#define REG_S st.d
+#define SRLI srli.d
+#define SLLI slli.d
+#define ADDI addi.d
+#define ADD  add.d
+#define SUB  sub.d
+#define BSTRINS  bstrins.d
+#define LI  li.d
+#define FREG_L fld.d
+#define FREG_S fst.d
+
+/*  Declare leaf routine.
+    The usage of macro LEAF/ENTRY is as follows:
+    1. LEAF(fcn) -- the align value of fcn is .align 3 (default value)
+    2. LEAF(fcn, 6) -- the align value of fcn is .align 6
+*/
+#define LEAF_IMPL(symbol, aln, ...)	\
+	.text;				\
+	.globl symbol;			\
+	.align aln;			\
+	.type symbol, @function;	\
+symbol: \
+	cfi_startproc;
+
+
+#define LEAF(...) LEAF_IMPL(__VA_ARGS__, 3)
+#define ENTRY(...) LEAF(__VA_ARGS__)
+
+#define	LEAF_NO_ALIGN(symbol)		\
+	.text;				\
+	.globl	symbol;			\
+	.type	symbol, @function;	\
+symbol: \
+	cfi_startproc;
+
+#define ENTRY_NO_ALIGN(symbol) LEAF_NO_ALIGN(symbol)
+
+
+/* Mark end of function.  */
+#undef END
+#define END(function) \
+  cfi_endproc; \
+  .size function, .- function;
+
+/* Stack alignment.  */
+#define ALMASK ~15
+
+#endif /* sys/asm.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/sys/ucontext.h b/lib/libc/include/loongarch64-linux-gnusf/sys/ucontext.h
new file mode 100644
index 0000000000..5db0d1e09e
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/sys/ucontext.h
@@ -0,0 +1,64 @@
+/* struct ucontext definition.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+/* Don't rely on this, the interface is currently messed up and may need to
+   be broken to be fixed.  */
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/types/stack_t.h>
+
+#ifdef __USE_MISC
+#define LARCH_NGREG 32
+
+#define LARCH_REG_RA 1
+#define LARCH_REG_SP 3
+#define LARCH_REG_S0 23
+#define LARCH_REG_S1 24
+#define LARCH_REG_A0 4
+#define LARCH_REG_S2 25
+#define LARCH_REG_NARGS 8
+
+typedef unsigned long int greg_t;
+/* Container for all general registers.  */
+typedef greg_t gregset_t[32];
+#endif
+
+typedef struct mcontext_t
+{
+  unsigned long long __pc;
+  unsigned long long __gregs[32];
+  unsigned int __flags;
+  unsigned long long __extcontext[0] __attribute__((__aligned__(16)));
+} mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext_t
+{
+  unsigned long int __uc_flags;
+  struct ucontext_t *uc_link;
+  stack_t uc_stack;
+  sigset_t uc_sigmask;
+  mcontext_t uc_mcontext;
+} ucontext_t;
+
+#endif /* sys/ucontext.h */
\ No newline at end of file
diff --git a/lib/libc/include/loongarch64-linux-gnusf/sys/user.h b/lib/libc/include/loongarch64-linux-gnusf/sys/user.h
new file mode 100644
index 0000000000..5dff8a5443
--- /dev/null
+++ b/lib/libc/include/loongarch64-linux-gnusf/sys/user.h
@@ -0,0 +1,42 @@
+/* struct user_regs_struct definition for LoongArch.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H 1
+
+#include <stdint.h>
+
+struct user_regs_struct
+{
+  /* Saved main processor registers. */
+  uint64_t regs[32];
+
+  /* Saved special registers. */
+  uint64_t orig_a0;
+  uint64_t csr_era;
+  uint64_t csr_badv;
+  uint64_t reserved[10];
+};
+
+struct user_fp_struct {
+  uint64_t    fpr[32];
+  uint64_t    fcc;
+  uint32_t    fcsr;
+};
+
+#endif /* _SYS_USER_H */
\ No newline at end of file
diff --git a/lib/std/zig/target.zig b/lib/std/zig/target.zig
index b60586da85..59fccc582c 100644
--- a/lib/std/zig/target.zig
+++ b/lib/std/zig/target.zig
@@ -35,6 +35,7 @@ pub const available_libcs = [_]ArchOsAbi{
     .{ .arch = .x86, .os = .linux, .abi = .musl },
     .{ .arch = .x86, .os = .windows, .abi = .gnu },
     .{ .arch = .loongarch64, .os = .linux, .abi = .gnu, .glibc_min = .{ .major = 2, .minor = 36, .patch = 0 } },
+    .{ .arch = .loongarch64, .os = .linux, .abi = .gnusf, .glibc_min = .{ .major = 2, .minor = 36, .patch = 0 } },
     .{ .arch = .loongarch64, .os = .linux, .abi = .musl },
     .{ .arch = .m68k, .os = .linux, .abi = .gnu },
     .{ .arch = .m68k, .os = .linux, .abi = .musl },
diff --git a/src/glibc.zig b/src/glibc.zig
index 7042f9c102..7afa4f7432 100644
--- a/src/glibc.zig
+++ b/src/glibc.zig
@@ -845,12 +845,8 @@ pub fn buildSharedObjects(comp: *Compilation, prog_node: std.Progress.Node) !voi
         stubs_asm.shrinkRetainingCapacity(0);
         try stubs_asm.appendSlice(".text\n");
 
-        var inc_i: usize = 0;
-
-        const fn_inclusions_len = mem.readInt(u16, metadata.inclusions[inc_i..][0..2], .little);
-        inc_i += 2;
-
         var sym_i: usize = 0;
+        var sym_name_buf = std.ArrayList(u8).init(arena);
         var opt_symbol_name: ?[]const u8 = null;
         var versions_buffer: [32]u8 = undefined;
         var versions_len: usize = undefined;
@@ -871,32 +867,38 @@ pub fn buildSharedObjects(comp: *Compilation, prog_node: std.Progress.Node) !voi
         // twice, which causes a "duplicate symbol" assembler error.
         var versions_written = std.AutoArrayHashMap(Version, void).init(arena);
 
+        var inc_fbs = std.io.fixedBufferStream(metadata.inclusions);
+        var inc_reader = inc_fbs.reader();
+
+        const fn_inclusions_len = try inc_reader.readInt(u16, .little);
+
         while (sym_i < fn_inclusions_len) : (sym_i += 1) {
             const sym_name = opt_symbol_name orelse n: {
-                const name = mem.sliceTo(metadata.inclusions[inc_i..], 0);
-                inc_i += name.len + 1;
+                sym_name_buf.clearRetainingCapacity();
+                try inc_reader.streamUntilDelimiter(sym_name_buf.writer(), 0, null);
 
-                opt_symbol_name = name;
+                opt_symbol_name = sym_name_buf.items;
                 versions_buffer = undefined;
                 versions_len = 0;
-                break :n name;
+
+                break :n sym_name_buf.items;
             };
-            const targets = mem.readInt(u32, metadata.inclusions[inc_i..][0..4], .little);
-            inc_i += 4;
+            const targets = try std.leb.readUleb128(u64, inc_reader);
+            var lib_index = try inc_reader.readByte();
 
-            const lib_index = metadata.inclusions[inc_i];
-            inc_i += 1;
-            const is_terminal = (targets & (1 << 31)) != 0;
-            if (is_terminal) opt_symbol_name = null;
+            const is_terminal = (lib_index & (1 << 7)) != 0;
+            if (is_terminal) {
+                lib_index &= ~@as(u8, 1 << 7);
+                opt_symbol_name = null;
+            }
 
             // Test whether the inclusion applies to our current library and target.
             const ok_lib_and_target =
                 (lib_index == lib_i) and
-                ((targets & (@as(u32, 1) << @as(u5, @intCast(target_targ_index)))) != 0);
+                ((targets & (@as(u64, 1) << @as(u6, @intCast(target_targ_index)))) != 0);
 
             while (true) {
-                const byte = metadata.inclusions[inc_i];
-                inc_i += 1;
+                const byte = try inc_reader.readByte();
                 const last = (byte & 0b1000_0000) != 0;
                 const ver_i = @as(u7, @truncate(byte));
                 if (ok_lib_and_target and ver_i <= target_ver_index) {
@@ -1027,8 +1029,7 @@ pub fn buildSharedObjects(comp: *Compilation, prog_node: std.Progress.Node) !voi
             , .{wordDirective(target)});
         }
 
-        const obj_inclusions_len = mem.readInt(u16, metadata.inclusions[inc_i..][0..2], .little);
-        inc_i += 2;
+        const obj_inclusions_len = try inc_reader.readInt(u16, .little);
 
         sym_i = 0;
         opt_symbol_name = null;
@@ -1036,33 +1037,32 @@ pub fn buildSharedObjects(comp: *Compilation, prog_node: std.Progress.Node) !voi
         versions_len = undefined;
         while (sym_i < obj_inclusions_len) : (sym_i += 1) {
             const sym_name = opt_symbol_name orelse n: {
-                const name = mem.sliceTo(metadata.inclusions[inc_i..], 0);
-                inc_i += name.len + 1;
+                sym_name_buf.clearRetainingCapacity();
+                try inc_reader.streamUntilDelimiter(sym_name_buf.writer(), 0, null);
 
-                opt_symbol_name = name;
+                opt_symbol_name = sym_name_buf.items;
                 versions_buffer = undefined;
                 versions_len = 0;
-                break :n name;
-            };
-            const targets = mem.readInt(u32, metadata.inclusions[inc_i..][0..4], .little);
-            inc_i += 4;
-
-            const size = mem.readInt(u16, metadata.inclusions[inc_i..][0..2], .little);
-            inc_i += 2;
 
-            const lib_index = metadata.inclusions[inc_i];
-            inc_i += 1;
-            const is_terminal = (targets & (1 << 31)) != 0;
-            if (is_terminal) opt_symbol_name = null;
+                break :n sym_name_buf.items;
+            };
+            const targets = try std.leb.readUleb128(u64, inc_reader);
+            const size = try std.leb.readUleb128(u16, inc_reader);
+            var lib_index = try inc_reader.readByte();
+
+            const is_terminal = (lib_index & (1 << 7)) != 0;
+            if (is_terminal) {
+                lib_index &= ~@as(u8, 1 << 7);
+                opt_symbol_name = null;
+            }
 
             // Test whether the inclusion applies to our current library and target.
             const ok_lib_and_target =
                 (lib_index == lib_i) and
-                ((targets & (@as(u32, 1) << @as(u5, @intCast(target_targ_index)))) != 0);
+                ((targets & (@as(u64, 1) << @as(u6, @intCast(target_targ_index)))) != 0);
 
             while (true) {
-                const byte = metadata.inclusions[inc_i];
-                inc_i += 1;
+                const byte = try inc_reader.readByte();
                 const last = (byte & 0b1000_0000) != 0;
                 const ver_i = @as(u7, @truncate(byte));
                 if (ok_lib_and_target and ver_i <= target_ver_index) {
diff --git a/tools/process_headers.zig b/tools/process_headers.zig
index c83903bc28..970c383886 100644
--- a/tools/process_headers.zig
+++ b/tools/process_headers.zig
@@ -209,6 +209,11 @@ const glibc_targets = [_]LibCTarget{
         .arch = MultiArch{ .specific = .loongarch64 },
         .abi = MultiAbi{ .specific = Abi.gnu },
     },
+    LibCTarget{
+        .name = "loongarch64-linux-gnu-lp64s",
+        .arch = MultiArch{ .specific = .loongarch64 },
+        .abi = MultiAbi{ .specific = Abi.gnusf },
+    },
 };
 
 const musl_targets = [_]LibCTarget{