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-rw-r--r--libc/sysdeps/linux/mips/sysdep.h343
1 files changed, 36 insertions, 307 deletions
diff --git a/libc/sysdeps/linux/mips/sysdep.h b/libc/sysdeps/linux/mips/sysdep.h
index b21ddfbe1..38d4ce903 100644
--- a/libc/sysdeps/linux/mips/sysdep.h
+++ b/libc/sysdeps/linux/mips/sysdep.h
@@ -1,325 +1,54 @@
-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Adapted from glibc's sysdeps/unix/mips/sysdep.h */
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Brendan Kehoe (brendan@zen.org).
-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
-Library General Public License for more details.
+ 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.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ 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.
-#include <sys/syscall.h>
-#ifdef __ASSEMBLER__
-#include <sys/regdef.h>
-#endif
-#include <features.h>
-
-/* Not that using a `PASTE' macro loses. */
-#ifdef __STDC__
-
-#define SYSCALL_WEAK_ALIAS(alias,orig) \
- .weak alias; \
- alias=__libc_##orig
-
-/* Use the regular ELF conventions about underscores, and provide the
- weak symbol, as required */
-#define SYSCALL__(name,args) PSEUDO (__libc_##name, name, args) \
-.weak __##name; \
-.weak name; \
- __##name = __libc_##name; \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.type __##name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
-
-#define SYSCALL(name,args) PSEUDO (__libc_##name, name, args) \
-.weak name; \
- name = __libc_##name; \
-.type __libc_##name,@function; \
-.type name,@function; \
-.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
-#else /* __STDC__ */
-
-#define SYSCALL__(name,args) PSEUDO (__/**/name, name, args)
-#define SYSCALL(name,args) PSEUDO (name, name, args)
+#include <features.h>
-#endif /* __STDC__ */
+#if __UCLIBC_HAS_THREADS_NATIVE__
+#include_next <sysdep.h>
-#ifndef __ASSEMBLER__
-/* Define a macro which expands into the inline wrapper code for a system
- call. */
-#undef INLINE_SYSCALL
-#if 0
-#define INLINE_SYSCALL(name, nr, args...) \
- ({ INTERNAL_SYSCALL_DECL(err); \
- long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
- if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
- { \
- __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
- result_var = -1L; \
- } \
- result_var; })
#else
-#define INLINE_SYSCALL(name, nr, args...) \
- ({ INTERNAL_SYSCALL_DECL(err); \
- long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
- if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
- { \
- result_var = __syscall_error((int) result_var); \
- } \
- result_var; })
-#endif
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) long err
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
-
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
- internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
- "i" (SYS_ify (name)), err, args)
-#undef INTERNAL_SYSCALL_NCS
-#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
- internal_syscall##nr (= number, , "r" (__v0), err, args)
-
-#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
-({ \
- long _sys_result; \
- \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a3 asm("$7"); \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- cs_init \
- "syscall\n\t" \
- ".set reorder" \
- : "=r" (__v0), "=r" (__a3) \
- : input \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
-
-#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
-({ \
- long _sys_result; \
- \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a3 asm("$7"); \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- cs_init \
- "syscall\n\t" \
- ".set reorder" \
- : "=r" (__v0), "=r" (__a3) \
- : input, "r" (__a0) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
-
-#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
-({ \
- long _sys_result; \
- \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a3 asm("$7"); \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- cs_init \
- "syscall\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "=r" (__a3) \
- : input, "r" (__a0), "r" (__a1) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
-
-#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3)\
-({ \
- long _sys_result; \
- \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a2 asm("$6") = (long) arg3; \
- register long __a3 asm("$7"); \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- cs_init \
- "syscall\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "=r" (__a3) \
- : input, "r" (__a0), "r" (__a1), "r" (__a2) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
-
-#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4)\
-({ \
- long _sys_result; \
- \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a2 asm("$6") = (long) arg3; \
- register long __a3 asm("$7") = (long) arg4; \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- cs_init \
- "syscall\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "+r" (__a3) \
- : input, "r" (__a0), "r" (__a1), "r" (__a2) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
-
-/* We need to use a frame pointer for the functions in which we
- adjust $sp around the syscall, or debug information and unwind
- information will be $sp relative and thus wrong during the syscall. As
- of GCC 3.4.3, this is sufficient. */
-#define FORCE_FRAME_POINTER alloca (4)
-
-#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
-({ \
- long _sys_result; \
- \
- FORCE_FRAME_POINTER; \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a2 asm("$6") = (long) arg3; \
- register long __a3 asm("$7") = (long) arg4; \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
- "sw\t%6, 16($29)\n\t" \
- cs_init \
- "syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "+r" (__a3) \
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
+#ifdef __ASSEMBLER__
-#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
-({ \
- long _sys_result; \
- \
- FORCE_FRAME_POINTER; \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a2 asm("$6") = (long) arg3; \
- register long __a3 asm("$7") = (long) arg4; \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
- "sw\t%6, 16($29)\n\t" \
- "sw\t%7, 20($29)\n\t" \
- cs_init \
- "syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "+r" (__a3) \
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5), "r" ((long)arg6) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
+#include <sgidefs.h>
+#include <sys/regdef.h>
-#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
-({ \
- long _sys_result; \
- \
- FORCE_FRAME_POINTER; \
- { \
- register long __v0 asm("$2") ncs_init; \
- register long __a0 asm("$4") = (long) arg1; \
- register long __a1 asm("$5") = (long) arg2; \
- register long __a2 asm("$6") = (long) arg3; \
- register long __a3 asm("$7") = (long) arg4; \
- __asm__ volatile ( \
- ".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
- "sw\t%6, 16($29)\n\t" \
- "sw\t%7, 20($29)\n\t" \
- "sw\t%8, 24($29)\n\t" \
- cs_init \
- "syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
- : "=r" (__v0), "+r" (__a3) \
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- _sys_result = __v0; \
- } \
- _sys_result; \
-})
+#define ENTRY(name) \
+ .globl name; \
+ .align 2; \
+ .ent name,0; \
+ name##:
-#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
- "$14", "$15", "$24", "$25", "memory"
-#else
-#define ENTRY(name) \
- .globl name; \
- .align 2; \
- .ent name,0; \
- name##:
-#endif
+#undef END
+#define END(function) \
+ .end function; \
+ .size function,.-function
#if _MIPS_SIM == _ABIO32
# define L(label) $L ## label
#else
# define L(label) .L ## label
#endif
+
+#endif
+
+#endif /* __UCLIBC_HAS_THREADS_NATIVE__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-08 20:09:52 +0000