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File: [cvs.NetBSD.org] / src / lib / libc / arch / or1k / gen / __setjmp14.S (download)

Revision 1.1, Wed Sep 3 19:34:25 2014 UTC (9 years, 7 months ago) by matt
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-10-base, netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan 

New files for OR1K support

/*	$NetBSD: __setjmp14.S,v 1.1 2014/09/03 19:34:25 matt Exp $	*/

#include "SYS.h"
#include "assym.h"

#if defined(LIBC_SCCS)
__RCSID("$NetBSD: __setjmp14.S,v 1.1 2014/09/03 19:34:25 matt Exp $")
#endif

/*
 * C library -- _setjmp, _longjmp
 *
 *	longjmp(a,v)
 * will generate a "return(v?v:1)" from the last call to
 *	setjmp(a)
 * by restoring registers from the stack.
 * The previous signal state is restored.
 */

ENTRY(__setjmp14)
	l.sw	JB_PC(r3), lr		/* save return address */
	l.sw	JB_LR(r3), lr		/* save return address */
	l.sw	JB_SP(r3), r1		/* save stack pointer */
	l.sw	JB_FP(r3), r2		/* save frame pointer */
	l.sw	JB_R10(r3), r10		/* save callee saved register */
	l.sw	JB_R14(r3), r14		/* save callee saved register */
	l.sw	JB_R16(r3), r16		/* save callee saved register */
	l.sw	JB_R18(r3), r18		/* save callee saved register */
	l.sw	JB_R20(r3), r20		/* save callee saved register */
	l.sw	JB_R22(r3), r22		/* save callee saved register */
	l.sw	JB_R24(r3), r24		/* save callee saved register */
	l.sw	JB_R26(r3), r26		/* save callee saved register */
	l.sw	JB_R28(r3), r28		/* save callee saved register */
	l.sw	JB_R30(r3), r30		/* save callee saved register */
	l.addi	r4, r0, 1
	l.sw	JB_MAGIC(r3), r4	/* note we saved sigmask */
	l.addi	r5, r3, JB_SIGMASK	# &sigmask
	l.xor	r4, r4, r4
	l.addi	r3, r0, SIG_BLOCK
	_DOSYSCALL(__sigprocmask14)	# assume no error	XXX
	l.xor	r11, r11, r11
	l.jr	lr
	l.nop
END(__setjmp14)

ENTRY(__longjmp14)
	l.lwz	lr, JB_LR(r3)		/* get return address */
	l.lwz	r1, JB_SP(r3)		/* get stack pointer */
	l.lwz	r2, JB_FP(r3)		/* get frame pointer */
	l.lwz	r10, JB_R10(r3)		/* get callee saved register */
	l.lwz	r14, JB_R14(r3)		/* get callee saved register */
	l.lwz	r16, JB_R16(r3)		/* get callee saved register */
	l.lwz	r18, JB_R18(r3)		/* get callee saved register */
	l.lwz	r20, JB_R20(r3)		/* get callee saved register */
	l.lwz	r22, JB_R22(r3)		/* get callee saved register */
	l.lwz	r24, JB_R24(r3)		/* get callee saved register */
	l.lwz	r26, JB_R26(r3)		/* get callee saved register */
	l.lwz	r28, JB_R28(r3)		/* get callee saved register */
	l.lwz	r30, JB_R30(r3)		/* get callee saved register */
	l.ori	r11, r4, 0
	l.xor	r5, r5, r5
	l.addi	r4, r3, JB_SIGMASK	# &sigmask
	l.addi	r3, r0, SIG_SETMASK
	_DOSYSCALL(__sigprocmask14)	# assume no error	XXX
	l.addi	r6, r0, 1
	l.sfeqi	r11, 0
	l.cmov	r11, r6, r11
	l.jr	lr
	l.nop
END(__longjmp14)