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author | Andreas Jaeger <aj@suse.de> | 2001-06-06 11:57:49 +0000 |
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committer | Andreas Jaeger <aj@suse.de> | 2001-06-06 11:57:49 +0000 |
commit | 8aaf02b5663f7669d192ffddf56b776f1b8092ef (patch) | |
tree | b08f28f41251b73cf263732a4605bc40f9d388a6 /sysdeps/unix/sysv/linux/hppa/sysdep.c | |
parent | a18f73be580ea822075b931f8f4d368b368d0e06 (diff) | |
download | glibc-8aaf02b5663f7669d192ffddf56b776f1b8092ef.tar.gz glibc-8aaf02b5663f7669d192ffddf56b776f1b8092ef.tar.xz glibc-8aaf02b5663f7669d192ffddf56b776f1b8092ef.zip |
HPPA setjmp implementation.
Diffstat (limited to 'sysdeps/unix/sysv/linux/hppa/sysdep.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/hppa/sysdep.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.c b/sysdeps/unix/sysv/linux/hppa/sysdep.c index 0559cc7065..e185da5f34 100644 --- a/sysdeps/unix/sysv/linux/hppa/sysdep.c +++ b/sysdeps/unix/sysv/linux/hppa/sysdep.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2001 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 @@ -32,3 +32,28 @@ __syscall_error (int err_no) #undef errno int errno = 0; weak_alias (errno, _errno) + + +/* HPPA implements syscall() in 'C'; the assembler version would + typically be in syscall.S. */ + +int +syscall (int sysnum, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5) +{ + long __sys_res; + { + register unsigned long __res asm("r28"); + LOAD_ARGS_6(arg0, arg1, arg2, arg3, arg4, arg5) + asm volatile ("ble 0x100(%%sr2, %%r0)\n\t" + "copy %1, %%r20" + : "=r" (__res) + : "r" (sysnum) ASM_ARGS_6); + __sys_res = __res; + } + if ((unsigned long) __sys_res >= (unsigned long)-4095) + { + __set_errno(-__sys_res); + __sys_res = -1; + } + return __sys_res; +} |