diff options
| -rw-r--r-- | libc/sysdeps/linux/mips/sysdep.h | 366 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/mips/sysdep.h | 110 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h | 302 |
3 files changed, 350 insertions, 428 deletions
diff --git a/libc/sysdeps/linux/mips/sysdep.h b/libc/sysdeps/linux/mips/sysdep.h index 38d4ce903..0c30e20d7 100644 --- a/libc/sysdeps/linux/mips/sysdep.h +++ b/libc/sysdeps/linux/mips/sysdep.h @@ -1,6 +1,4 @@ -/* Adapted from glibc's sysdeps/unix/mips/sysdep.h */ - -/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003 +/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Brendan Kehoe (brendan@zen.org). @@ -20,28 +18,72 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <features.h> +#ifndef _LINUX_MIPS_SYSDEP_H +#define _LINUX_MIPS_SYSDEP_H 1 + +#include <sgidefs.h> +#include <common/sysdep.h> -#if __UCLIBC_HAS_THREADS_NATIVE__ -#include_next <sysdep.h> +/* For Linux we can use the system call table in the header file + /usr/include/asm/unistd.h + of the kernel. But these symbols do not follow the SYS_* syntax + so we have to redefine the `SYS_ify' macro here. */ +#undef SYS_ify +#ifdef __STDC__ +# define SYS_ify(syscall_name) __NR_##syscall_name #else +# define SYS_ify(syscall_name) __NR_/**/syscall_name +#endif #ifdef __ASSEMBLER__ -#include <sgidefs.h> -#include <sys/regdef.h> +#include <regdef.h> -#define ENTRY(name) \ - .globl name; \ - .align 2; \ - .ent name,0; \ +#define ENTRY(name) \ + .globl name; \ + .align 2; \ + .ent name,0; \ name##: #undef END -#define END(function) \ - .end function; \ - .size function,.-function +#define END(function) \ + .end function; \ + .size function,.-function + +#define ret j ra ; nop + +#undef PSEUDO_END +#define PSEUDO_END(sym) .end sym; .size sym,.-sym + +#define PSEUDO_NOERRNO(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym + +#define ret_NOERRNO ret + +#define PSEUDO_ERRVAL(name, syscall_name, args) \ + .align 2; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall + +#undef PSEUDO_END_ERRVAL +#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym + +#define ret_ERRVAL ret + +#define r0 v0 +#define r1 v1 +/* The mips move insn is d,s. */ +#define MOVE(x,y) move y , x #if _MIPS_SIM == _ABIO32 # define L(label) $L ## label @@ -49,6 +91,298 @@ # define L(label) .L ## label #endif +/* Note that while it's better structurally, going back to call __syscall_error + can make things confusing if you're debugging---it looks like it's jumping + backwards into the previous fn. */ + +#ifdef __PIC__ +#define PSEUDO(name, syscall_name, args) \ + .align 2; \ + 99: la t9,__syscall_error; \ + jr t9; \ + ENTRY(name) \ + .set noreorder; \ + .cpload t9; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#else +#define PSEUDO(name, syscall_name, args) \ + .set noreorder; \ + .align 2; \ + 99: j __syscall_error; \ + nop; \ + ENTRY(name) \ + .set noreorder; \ + li v0, SYS_ify(syscall_name); \ + syscall; \ + .set reorder; \ + bne a3, zero, 99b; \ +L(syse1): +#endif + +/* We don't want the label for the error handler to be visible in the symbol + table when we define it here. */ +#ifdef __PIC__ +# define SYSCALL_ERROR_LABEL 99b #endif -#endif /* __UCLIBC_HAS_THREADS_NATIVE__ */ +#else /* ! __ASSEMBLER__ */ + +/* Define a macro which expands into the inline wrapper code for a system + call. */ +#undef INLINE_SYSCALL +#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; }) + +#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) +#undef internal_syscall0 +#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; \ +}) + +#undef internal_syscall1 +#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; \ +}) + +#undef internal_syscall2 +#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; \ +}) + +#undef internal_syscall3 +#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; \ +}) + +#undef internal_syscall4 +#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) + +#undef internal_syscall5 +#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; \ +}) + +#undef internal_syscall6 +#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; \ +}) + +#undef internal_syscall7 +#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; \ +}) + +#undef __SYSCALL_CLOBBERS +#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "memory" + + +#endif /* __ASSEMBLER__ */ +#endif /* _LINUX_MIPS_SYSDEP_H */ diff --git a/libpthread/nptl/sysdeps/mips/sysdep.h b/libpthread/nptl/sysdeps/mips/sysdep.h deleted file mode 100644 index b53c9a9c4..000000000 --- a/libpthread/nptl/sysdeps/mips/sysdep.h +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003, 2004 - 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 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sgidefs.h> -#include <common/sysdep.h> - -#ifdef __ASSEMBLER__ - -#include <regdef.h> - -#define ENTRY(name) \ - .globl name; \ - .align 2; \ - .ent name,0; \ - name##: - -#undef END -#define END(function) \ - .end function; \ - .size function,.-function - -#define ret j ra ; nop - -#undef PSEUDO_END -#define PSEUDO_END(sym) .end sym; .size sym,.-sym - -#define PSEUDO_NOERRNO(name, syscall_name, args) \ - .align 2; \ - ENTRY(name) \ - .set noreorder; \ - li v0, SYS_ify(syscall_name); \ - syscall - -#undef PSEUDO_END_NOERRNO -#define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym - -#define ret_NOERRNO ret - -#define PSEUDO_ERRVAL(name, syscall_name, args) \ - .align 2; \ - ENTRY(name) \ - .set noreorder; \ - li v0, SYS_ify(syscall_name); \ - syscall - -#undef PSEUDO_END_ERRVAL -#define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym - -#define ret_ERRVAL ret - -#define r0 v0 -#define r1 v1 -/* The mips move insn is d,s. */ -#define MOVE(x,y) move y , x - -#if _MIPS_SIM == _ABIO32 -# define L(label) $L ## label -#else -# define L(label) .L ## label -#endif - -/* Note that while it's better structurally, going back to call __syscall_error - can make things confusing if you're debugging---it looks like it's jumping - backwards into the previous fn. */ -#ifdef __PIC__ -#define PSEUDO(name, syscall_name, args) \ - .align 2; \ - 99: la t9,__syscall_error; \ - jr t9; \ - ENTRY(name) \ - .set noreorder; \ - .cpload t9; \ - li v0, SYS_ify(syscall_name); \ - syscall; \ - .set reorder; \ - bne a3, zero, 99b; \ -L(syse1): -#else -#define PSEUDO(name, syscall_name, args) \ - .set noreorder; \ - .align 2; \ - 99: j __syscall_error; \ - nop; \ - ENTRY(name) \ - .set noreorder; \ - li v0, SYS_ify(syscall_name); \ - syscall; \ - .set reorder; \ - bne a3, zero, 99b; \ -L(syse1): -#endif - -#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h deleted file mode 100644 index bfaab1f3a..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/sysdep.h +++ /dev/null @@ -1,302 +0,0 @@ -/* Copyright (C) 2000, 2002, 2003, 2004, 2005 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _LINUX_MIPS_MIPS32_SYSDEP_H -#define _LINUX_MIPS_MIPS32_SYSDEP_H 1 - -#include <sys/syscall.h> - -/* There is some commonality. */ -#include <sysdeps/mips/sysdep.h> - -/* For Linux we can use the system call table in the header file - /usr/include/asm/unistd.h - of the kernel. But these symbols do not follow the SYS_* syntax - so we have to redefine the `SYS_ify' macro here. */ -#undef SYS_ify -#ifdef __STDC__ -# define SYS_ify(syscall_name) __NR_##syscall_name -#else -# define SYS_ify(syscall_name) __NR_/**/syscall_name -#endif - -#ifdef __ASSEMBLER__ - -/* We don't want the label for the error handler to be visible in the symbol - table when we define it here. */ -#ifdef __PIC__ -# define SYSCALL_ERROR_LABEL 99b -#endif - -#else /* ! __ASSEMBLER__ */ - -/* Define a macro which expands into the inline wrapper code for a system - call. */ -#undef INLINE_SYSCALL -#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; }) - -#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) -#undef internal_syscall0 -#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; \ -}) - -#undef internal_syscall1 -#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; \ -}) - -#undef internal_syscall2 -#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; \ -}) - -#undef internal_syscall3 -#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; \ -}) - -#undef internal_syscall4 -#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) - -#undef internal_syscall5 -#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; \ -}) - -#undef internal_syscall6 -#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; \ -}) - -#undef internal_syscall7 -#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; \ -}) - -#undef __SYSCALL_CLOBBERS -#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \ - "$14", "$15", "$24", "$25", "memory" - -#endif /* __ASSEMBLER__ */ - -#endif /* sysdeps/unix/sysv/linux/mips/sysdep.h */ |