mirror of
https://github.com/ziglang/zig.git
synced 2024-12-11 05:34:36 +00:00
loongarch: add glibc start.S to make zig-bootstrap work for loongarch64-linux-gnu (#21015)
This commit is contained in:
YANG Xudong
GitHub
parent
9be10ea964
commit
0f0f543a9a
11
lib/libc/glibc/sysdeps/loongarch/bits/endianness.h
vendored
Normal file
11
lib/libc/glibc/sysdeps/loongarch/bits/endianness.h
vendored
Normal file
@ -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 */
|
||||
79
lib/libc/glibc/sysdeps/loongarch/start.S
vendored
Normal file
79
lib/libc/glibc/sysdeps/loongarch/start.S
vendored
Normal file
@ -0,0 +1,79 @@
|
||||
/* Startup code compliant to the ELF 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.
|
||||
|
||||
In addition to the permissions in the GNU Lesser General Public
|
||||
License, the Free Software Foundation gives you unlimited
|
||||
permission to link the compiled version of this file with other
|
||||
programs, and to distribute those programs without any restriction
|
||||
coming from the use of this file. (The GNU Lesser General Public
|
||||
License restrictions do apply in other respects; for example, they
|
||||
cover modification of the file, and distribution when not linked
|
||||
into another program.)
|
||||
|
||||
Note that people who make modified versions of this file are not
|
||||
obligated to grant this special exception for their modified
|
||||
versions; it is their choice whether to do so. The GNU Lesser
|
||||
General Public License gives permission to release a modified
|
||||
version without this exception; this exception also makes it
|
||||
possible to release a modified version which carries forward this
|
||||
exception.
|
||||
|
||||
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 __ASSEMBLY__ 1
|
||||
#include <entry.h>
|
||||
#include <sys/asm.h>
|
||||
|
||||
/* The entry point's job is to call __libc_start_main. Per the ABI,
|
||||
a0 contains the address of a function to be passed to atexit.
|
||||
__libc_start_main wants this in a5. */
|
||||
|
||||
/*
|
||||
int
|
||||
__libc_start_main (int (*main) (int, char **, char **),
|
||||
int argc,
|
||||
char **argv,
|
||||
__typeof (main) init,
|
||||
void (*fini) (void),
|
||||
void (*rtld_fini) (void),
|
||||
void *stack_end);
|
||||
*/
|
||||
|
||||
ENTRY (ENTRY_POINT)
|
||||
|
||||
/* Terminate call stack by noting ra is undefined. Use a dummy
|
||||
.cfi_label to force starting the FDE. */
|
||||
.cfi_label .Ldummy
|
||||
cfi_undefined (1)
|
||||
or a5, a0, zero /* rtld_fini */
|
||||
|
||||
la.pcrel a0, t0, main
|
||||
REG_L a1, sp, 0
|
||||
ADDI a2, sp, SZREG
|
||||
|
||||
/* Adjust $sp for 16-aligned */
|
||||
BSTRINS sp, zero, 3, 0
|
||||
|
||||
move a3, zero /* used to be init */
|
||||
move a4, zero /* used to be fini */
|
||||
or a6, sp, zero /* stack_end */
|
||||
|
||||
la.pcrel ra, t0, __libc_start_main
|
||||
jirl ra, ra, 0
|
||||
|
||||
la.pcrel ra, t0, abort
|
||||
jirl ra, ra, 0
|
||||
END (ENTRY_POINT)
|
||||
169
lib/libc/glibc/sysdeps/loongarch/sys/regdef.h
vendored
Normal file
169
lib/libc/glibc/sysdeps/loongarch/sys/regdef.h
vendored
Normal file
@ -0,0 +1,169 @@
|
||||
/* Register Macro 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 _SYS_REGDEF_H
|
||||
#define _SYS_REGDEF_H
|
||||
|
||||
#define zero $r0
|
||||
#define ra $r1
|
||||
#define tp $r2
|
||||
#define sp $r3
|
||||
#define a0 $r4
|
||||
#define a1 $r5
|
||||
#define a2 $r6
|
||||
#define a3 $r7
|
||||
#define a4 $r8
|
||||
#define a5 $r9
|
||||
#define a6 $r10
|
||||
#define a7 $r11
|
||||
#define v0 $r4
|
||||
#define v1 $r5
|
||||
#define t0 $r12
|
||||
#define t1 $r13
|
||||
#define t2 $r14
|
||||
#define t3 $r15
|
||||
#define t4 $r16
|
||||
#define t5 $r17
|
||||
#define t6 $r18
|
||||
#define t7 $r19
|
||||
#define t8 $r20
|
||||
#define x $r21
|
||||
#define fp $r22
|
||||
#define s0 $r23
|
||||
#define s1 $r24
|
||||
#define s2 $r25
|
||||
#define s3 $r26
|
||||
#define s4 $r27
|
||||
#define s5 $r28
|
||||
#define s6 $r29
|
||||
#define s7 $r30
|
||||
#define s8 $r31
|
||||
|
||||
#define fa0 $f0
|
||||
#define fa1 $f1
|
||||
#define fa2 $f2
|
||||
#define fa3 $f3
|
||||
#define fa4 $f4
|
||||
#define fa5 $f5
|
||||
#define fa6 $f6
|
||||
#define fa7 $f7
|
||||
#define fv0 $f0
|
||||
#define fv1 $f1
|
||||
#define ft0 $f8
|
||||
#define ft1 $f9
|
||||
#define ft2 $f10
|
||||
#define ft3 $f11
|
||||
#define ft4 $f12
|
||||
#define ft5 $f13
|
||||
#define ft6 $f14
|
||||
#define ft7 $f15
|
||||
#define ft8 $f16
|
||||
#define ft9 $f17
|
||||
#define ft10 $f18
|
||||
#define ft11 $f19
|
||||
#define ft12 $f20
|
||||
#define ft13 $f21
|
||||
#define ft14 $f22
|
||||
#define ft15 $f23
|
||||
#define fs0 $f24
|
||||
#define fs1 $f25
|
||||
#define fs2 $f26
|
||||
#define fs3 $f27
|
||||
#define fs4 $f28
|
||||
#define fs5 $f29
|
||||
#define fs6 $f30
|
||||
#define fs7 $f31
|
||||
#define fcc0 $fcc0
|
||||
#define fcc1 $fcc1
|
||||
#define fcc2 $fcc2
|
||||
#define fcc3 $fcc3
|
||||
#define fcc4 $fcc4
|
||||
#define fcc5 $fcc5
|
||||
#define fcc6 $fcc6
|
||||
#define fcc7 $fcc7
|
||||
#define fcsr0 $fcsr0
|
||||
|
||||
#define vr0 $vr0
|
||||
#define vr1 $vr1
|
||||
#define vr2 $vr2
|
||||
#define vr3 $vr3
|
||||
#define vr4 $vr4
|
||||
#define vr5 $vr5
|
||||
#define vr6 $vr6
|
||||
#define vr7 $vr7
|
||||
#define vr8 $vr8
|
||||
#define vr9 $vr9
|
||||
#define vr10 $vr10
|
||||
#define vr11 $vr11
|
||||
#define vr12 $vr12
|
||||
#define vr13 $vr13
|
||||
#define vr14 $vr14
|
||||
#define vr15 $vr15
|
||||
#define vr16 $vr16
|
||||
#define vr17 $vr17
|
||||
#define vr18 $vr18
|
||||
#define vr19 $vr19
|
||||
#define vr20 $vr20
|
||||
#define vr21 $vr21
|
||||
#define vr22 $vr22
|
||||
#define vr23 $vr23
|
||||
#define vr24 $vr24
|
||||
#define vr25 $vr25
|
||||
#define vr26 $vr26
|
||||
#define vr27 $vr27
|
||||
#define vr28 $vr28
|
||||
#define vr29 $vr29
|
||||
#define vr30 $vr30
|
||||
#define vr31 $vr31
|
||||
|
||||
#define xr0 $xr0
|
||||
#define xr1 $xr1
|
||||
#define xr2 $xr2
|
||||
#define xr3 $xr3
|
||||
#define xr4 $xr4
|
||||
#define xr5 $xr5
|
||||
#define xr6 $xr6
|
||||
#define xr7 $xr7
|
||||
#define xr7 $xr7
|
||||
#define xr8 $xr8
|
||||
#define xr9 $xr9
|
||||
#define xr10 $xr10
|
||||
#define xr11 $xr11
|
||||
#define xr12 $xr12
|
||||
#define xr13 $xr13
|
||||
#define xr14 $xr14
|
||||
#define xr15 $xr15
|
||||
#define xr16 $xr16
|
||||
#define xr17 $xr17
|
||||
#define xr18 $xr18
|
||||
#define xr19 $xr19
|
||||
#define xr20 $xr20
|
||||
#define xr21 $xr21
|
||||
#define xr22 $xr22
|
||||
#define xr23 $xr23
|
||||
#define xr24 $xr24
|
||||
#define xr25 $xr25
|
||||
#define xr26 $xr26
|
||||
#define xr27 $xr27
|
||||
#define xr28 $xr28
|
||||
#define xr29 $xr29
|
||||
#define xr30 $xr30
|
||||
#define xr31 $xr31
|
||||
|
||||
#endif /* _SYS_REGDEF_H */
|
||||
318
lib/libc/glibc/sysdeps/unix/sysv/linux/loongarch/sysdep.h
vendored
Normal file
318
lib/libc/glibc/sysdeps/unix/sysv/linux/loongarch/sysdep.h
vendored
Normal file
@ -0,0 +1,318 @@
|
||||
/* Assembly macros 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 _LINUX_LOONGARCH_SYSDEP_H
|
||||
#define _LINUX_LOONGARCH_SYSDEP_H 1
|
||||
|
||||
#include <sysdeps/unix/sysv/linux/sysdep.h>
|
||||
#include <sysdeps/unix/sysdep.h>
|
||||
#include <tls.h>
|
||||
|
||||
#ifdef __ASSEMBLER__
|
||||
|
||||
#include <sys/asm.h>
|
||||
#define ret jirl zero, ra, 0
|
||||
#define L(label) .L##label
|
||||
|
||||
/* Performs a system call, handling errors by setting errno. Linux indicates
|
||||
errors by setting a0 to a value between -1 and -4095. */
|
||||
#undef PSEUDO
|
||||
#define PSEUDO(name, syscall_name, args) \
|
||||
ENTRY (name); \
|
||||
li.d a7, SYS_ify (syscall_name); \
|
||||
syscall 0; \
|
||||
li.d a7, -4096; \
|
||||
bltu a7, a0, .Lsyscall_error##name;
|
||||
|
||||
#undef PSEUDO_END
|
||||
#define PSEUDO_END(sym) \
|
||||
SYSCALL_ERROR_HANDLER (sym); \
|
||||
ret; \
|
||||
END (sym);
|
||||
|
||||
#if !IS_IN(libc)
|
||||
#if RTLD_PRIVATE_ERRNO
|
||||
|
||||
#define SYSCALL_ERROR_HANDLER(name) \
|
||||
.Lsyscall_error##name : la t0, rtld_errno; \
|
||||
sub.w a0, zero, a0; \
|
||||
st.w a0, t0, 0; \
|
||||
li.d a0, -1;
|
||||
|
||||
#else
|
||||
|
||||
#define SYSCALL_ERROR_HANDLER(name) \
|
||||
.Lsyscall_error##name : la.tls.ie t0, errno; \
|
||||
add.d t0, tp, t0; \
|
||||
sub.w a0, zero, a0; \
|
||||
st.w a0, t0, 0; \
|
||||
li.d a0, -1;
|
||||
|
||||
#endif
|
||||
#else
|
||||
|
||||
#define SYSCALL_ERROR_HANDLER(name) .Lsyscall_error##name : b __syscall_error;
|
||||
|
||||
#endif
|
||||
|
||||
/* Performs a system call, not setting errno. */
|
||||
#undef PSEUDO_NEORRNO
|
||||
#define PSEUDO_NOERRNO(name, syscall_name, args) \
|
||||
ENTRY (name); \
|
||||
li.d a7, SYS_ify (syscall_name); \
|
||||
syscall 0;
|
||||
|
||||
#undef PSEUDO_END_NOERRNO
|
||||
#define PSEUDO_END_NOERRNO(name) END (name);
|
||||
|
||||
#undef ret_NOERRNO
|
||||
#define ret_NOERRNO ret
|
||||
|
||||
/* Performs a system call, returning the error code. */
|
||||
#undef PSEUDO_ERRVAL
|
||||
#define PSEUDO_ERRVAL(name, syscall_name, args) \
|
||||
PSEUDO_NOERRNO (name, syscall_name, args); \
|
||||
slli.d a0, a0, 32; \
|
||||
srai.d a0, a0, 32; /* sign_ext */ \
|
||||
sub.d a0, zero, a0;
|
||||
|
||||
#undef PSEUDO_END_ERRVAL
|
||||
#define PSEUDO_END_ERRVAL(name) END (name);
|
||||
|
||||
#undef ret_ERRVAL
|
||||
#define ret_ERRVAL ret
|
||||
|
||||
#endif /* __ASSEMBLER__ */
|
||||
|
||||
/* In order to get __set_errno() definition in INLINE_SYSCALL. */
|
||||
#ifndef __ASSEMBLER__
|
||||
#include <errno.h>
|
||||
#endif
|
||||
|
||||
#include <sysdeps/unix/sysdep.h>
|
||||
|
||||
#undef SYS_ify
|
||||
#define SYS_ify(syscall_name) __NR_##syscall_name
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
|
||||
#define VDSO_NAME "LINUX_5.10"
|
||||
#define VDSO_HASH 182947696
|
||||
|
||||
/* List of system calls which are supported as vsyscalls. */
|
||||
#define HAVE_CLOCK_GETRES64_VSYSCALL "__vdso_clock_getres"
|
||||
#define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime"
|
||||
#define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
|
||||
#define HAVE_GETCPU_VSYSCALL "__vdso_getcpu"
|
||||
|
||||
#define HAVE_CLONE3_WRAPPER 1
|
||||
|
||||
#define INTERNAL_SYSCALL(name, nr, args...) \
|
||||
internal_syscall##nr (SYS_ify (name), args)
|
||||
|
||||
#define INTERNAL_SYSCALL_NCS(number, nr, args...) \
|
||||
internal_syscall##nr (number, args)
|
||||
|
||||
#define internal_syscall0(number, dummy...) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0"); \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "=r"(__a0) \
|
||||
: "r"(__a7) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall1(number, arg0) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall2(number, arg0, arg1) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall3(number, arg0, arg1, arg2) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
long int _arg2 = (long int) (arg2); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
register long int __a2 asm ("$a2") = _arg2; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1), "r"(__a2) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall4(number, arg0, arg1, arg2, arg3) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
long int _arg2 = (long int) (arg2); \
|
||||
long int _arg3 = (long int) (arg3); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
register long int __a2 asm ("$a2") = _arg2; \
|
||||
register long int __a3 asm ("$a3") = _arg3; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1), "r"(__a2), "r"(__a3) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall5(number, arg0, arg1, arg2, arg3, arg4) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
long int _arg2 = (long int) (arg2); \
|
||||
long int _arg3 = (long int) (arg3); \
|
||||
long int _arg4 = (long int) (arg4); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
register long int __a2 asm ("$a2") = _arg2; \
|
||||
register long int __a3 asm ("$a3") = _arg3; \
|
||||
register long int __a4 asm ("$a4") = _arg4; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1), "r"(__a2), \
|
||||
"r"(__a3), "r"(__a4) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall6(number, arg0, arg1, arg2, arg3, arg4, arg5) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
long int _arg2 = (long int) (arg2); \
|
||||
long int _arg3 = (long int) (arg3); \
|
||||
long int _arg4 = (long int) (arg4); \
|
||||
long int _arg5 = (long int) (arg5); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
register long int __a2 asm ("$a2") = _arg2; \
|
||||
register long int __a3 asm ("$a3") = _arg3; \
|
||||
register long int __a4 asm ("$a4") = _arg4; \
|
||||
register long int __a5 asm ("$a5") = _arg5; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1), "r"(__a2), "r"(__a3), \
|
||||
"r"(__a4), "r"(__a5) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define internal_syscall7(number, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \
|
||||
({ \
|
||||
long int _sys_result; \
|
||||
\
|
||||
{ \
|
||||
long int _arg0 = (long int) (arg0); \
|
||||
long int _arg1 = (long int) (arg1); \
|
||||
long int _arg2 = (long int) (arg2); \
|
||||
long int _arg3 = (long int) (arg3); \
|
||||
long int _arg4 = (long int) (arg4); \
|
||||
long int _arg5 = (long int) (arg5); \
|
||||
long int _arg6 = (long int) (arg6); \
|
||||
register long int __a7 asm ("$a7") = number; \
|
||||
register long int __a0 asm ("$a0") = _arg0; \
|
||||
register long int __a1 asm ("$a1") = _arg1; \
|
||||
register long int __a2 asm ("$a2") = _arg2; \
|
||||
register long int __a3 asm ("$a3") = _arg3; \
|
||||
register long int __a4 asm ("$a4") = _arg4; \
|
||||
register long int __a5 asm ("$a5") = _arg5; \
|
||||
register long int __a6 asm ("$a6") = _arg6; \
|
||||
__asm__ volatile ("syscall 0\n\t" \
|
||||
: "+r"(__a0) \
|
||||
: "r"(__a7), "r"(__a1), "r"(__a2), "r"(__a3), \
|
||||
"r"(__a4), "r"(__a5), "r"(__a6) \
|
||||
: __SYSCALL_CLOBBERS); \
|
||||
_sys_result = __a0; \
|
||||
} \
|
||||
_sys_result; \
|
||||
})
|
||||
|
||||
#define __SYSCALL_CLOBBERS \
|
||||
"$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8", "memory"
|
||||
|
||||
extern long int __syscall_error (long int neg_errno);
|
||||
|
||||
#endif /* ! __ASSEMBLER__ */
|
||||
|
||||
#endif /* linux/loongarch/sysdep.h */
|
||||
@ -461,6 +461,8 @@ fn start_asm_path(comp: *Compilation, arena: Allocator, basename: []const u8) ![
|
||||
} else {
|
||||
try result.appendSlice("powerpc" ++ s ++ "powerpc32");
|
||||
}
|
||||
} else if (arch.isLoongArch()) {
|
||||
try result.appendSlice("loongarch");
|
||||
}
|
||||
|
||||
try result.appendSlice(s);
|
||||
@ -649,6 +651,9 @@ fn add_include_dirs_arch(
|
||||
try args.append("-I");
|
||||
try args.append(try path.join(arena, &[_][]const u8{ dir, "riscv" }));
|
||||
}
|
||||
} else if (arch.isLoongArch()) {
|
||||
try args.append("-I");
|
||||
try args.append(try path.join(arena, &[_][]const u8{ dir, "loongarch" }));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user