/* Copyright (C) 1997, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Miguel de Icaza , January 1997. 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_SPARC32_SYSDEP_H #define _LINUX_SPARC32_SYSDEP_H 1 #include #undef SYS_ify #define SYS_ify(syscall_name) __NR_##syscall_name #ifdef __ASSEMBLER__ #ifdef DONT_LOAD_G1 # define LOADSYSCALL(x) #else # define LOADSYSCALL(x) mov __NR_##x, %g1 #endif /* Linux/SPARC uses a different trap number */ #undef PSEUDO #undef ENTRY #undef END #undef LOC #define ENTRY(name) \ .global C_SYMBOL_NAME(name); \ .align 4;\ C_LABEL(name);\ .type name,@function; #define END(name) \ .size name, . - name #define LOC(name) .L##name #ifdef PIC #define SYSCALL_ERROR_HANDLER \ .global C_SYMBOL_NAME(__errno_location); \ .type C_SYMBOL_NAME(__errno_location),@function; \ save %sp,-96,%sp; \ call __errno_location; \ nop; \ st %i0,[%o0]; \ jmpl %i7+8,%g0; \ restore %g0,-1,%o0; #else #define SYSCALL_ERROR_HANDLER \ save %sp,-96,%sp; \ call __errno_location; \ nop; \ st %i0,[%o0]; \ jmpl %i7+8,%g0; \ restore %g0,-1,%o0; #endif /* PIC */ #define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY(name); \ LOADSYSCALL(syscall_name); \ ta 0x10; \ bcc,a 9000f; \ nop; \ SYSCALL_ERROR_HANDLER; \ 9000:; #else /* __ASSEMBLER__ */ #define __SYSCALL_STRING \ "ta 0x10;" \ "bcs 2f;" \ " nop;" \ "1:" \ ".subsection 2;" \ "2:" \ "save %%sp, -192, %%sp;" \ "call __errno_location;" \ " nop;" \ "st %%i0,[%%o0];" \ "ba 1b;" \ " restore %%g0, -1, %%o0;" \ ".previous;" #define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7", \ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \ "cc", "memory" #include #endif /* __ASSEMBLER__ */ #endif /* linux/sparc/sysdep.h */