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lib/libsys/sparc64/sys/sigaction1.S
- This file was copied from lib/libc/aarch64/sys/syscall.S.
| /*- | /*- | ||||
| * Copyright (c) 2014 The FreeBSD Foundation | * Copyright (c) 2002 Jake Burkholder. | ||||
| * All rights reserved. | * All rights reserved. | ||||
| * | * | ||||
| * This software was developed by Andrew Turner under | |||||
| * sponsorship from the FreeBSD Foundation. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | * Redistribution and use in source and binary forms, with or without | ||||
| * modification, are permitted provided that the following conditions | * modification, are permitted provided that the following conditions | ||||
| * are met: | * are met: | ||||
| * 1. Redistributions of source code must retain the above copyright | * 1. Redistributions of source code must retain the above copyright | ||||
| * notice, this list of conditions and the following disclaimer. | * notice, this list of conditions and the following disclaimer. | ||||
| * 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright | ||||
| * notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the | ||||
| * documentation and/or other materials provided with the distribution. | * documentation and/or other materials provided with the distribution. | ||||
| Show All 11 Lines | |||||
| * SUCH DAMAGE. | * SUCH DAMAGE. | ||||
| */ | */ | ||||
| #include <machine/asm.h> | #include <machine/asm.h> | ||||
| __FBSDID("$FreeBSD$"); | __FBSDID("$FreeBSD$"); | ||||
| #include "SYS.h" | #include "SYS.h" | ||||
| RSYSCALL(syscall) | WEAK_REFERENCE(__sys_sigaction, _sigaction) | ||||
| ENTRY(__sys_sigaction) | |||||
| PIC_PROLOGUE(%o3, %o4) | |||||
| SET(sigcode_installed, %o4, %o3) | |||||
| lduw [%o3], %o4 | |||||
| brnz,a,pt %o4, 1f | |||||
| nop | |||||
| save %sp, -CCFSZ, %sp | |||||
| call __sparc_sigtramp_setup | |||||
| nop | |||||
| restore | |||||
| mov 1, %o4 | |||||
| stw %o4, [%o3] | |||||
| 1: _SYSCALL(sigaction) | |||||
| retl | |||||
| nop | |||||
| END(__sys_sigaction) | |||||
| .comm sigcode_installed, 4, 4 | |||||