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/* Copyright (C) 1997, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 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 <sysdeps/unix/sparc/sysdep.h>
#ifdef IS_IN_rtld
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
#endif
#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
#if RTLD_PRIVATE_ERRNO
# define SYSCALL_ERROR_HANDLER \
.section .gnu.linkonce.t.__sparc.get_pic.l7,"ax",@progbits; \
.globl __sparc.get_pic.l7; \
.hidden __sparc.get_pic.l7; \
.type __sparc.get_pic.l7,@function; \
__sparc.get_pic.l7: \
retl; \
add %o7, %l7, %l7; \
.previous; \
save %sp,-96,%sp; \
sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7; \
call __sparc.get_pic.l7; \
add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7; \
ld [%l7 + errno], %l0; \
st %i0, [%l0]; \
jmpl %i7+8, %g0; \
restore %g0, -1, %o0;
#else
# define SYSCALL_ERROR_HANDLER \
.global __errno_location; \
.type __errno_location,@function; \
save %sp, -96, %sp; \
call __errno_location; \
nop; \
st %i0, [%o0]; \
jmpl %i7+8, %g0; \
restore %g0, -1, %o0;
#endif
#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 __INTERNAL_SYSCALL_STRING \
"ta 0x10;" \
"bcs,a 1f;" \
" sub %%g0, %%o0, %%o0;" \
"1:"
#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 <sysdeps/unix/sysv/linux/sparc/sysdep.h>
#endif /* __ASSEMBLER__ */
#endif /* linux/sparc/sysdep.h */
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