OpenLibm/amd64/s_logbl.S

/*
 * Written by:
 *	J.T. Conklin (jtc@netbsd.org)
 *	Public domain.
 */

#include <amd64/bsd_asm.h>
//__FBSDID("$FreeBSD: src/lib/msun/amd64/s_logbl.S,v 1.4 2011/01/07 16:13:12 kib Exp $")

ENTRY(logbl)
#ifndef _WIN64
	fldt	8(%rsp)
#else
    fldt    (%rdx)
#endif
	fxtract
	fstp	%st
#ifdef _WIN64
    mov     %rcx,%rax
    movq    $0x0,0x8(%rcx)
	fstpt	(%rcx)
#endif
	ret

	
/* Enable stack protection */
#if defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00			`/*`
			`* Written by:`
change licenses to reflect that the "Winning Strategies, Inc." code has been placed in the public domain 2012-11-24 01:19:01 +01:00			`* J.T. Conklin (jtc@netbsd.org)`
			`* Public domain.`
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00			`*/`

Allow compilation of assembly files on OSX 2012-05-25 05:14:58 +02:00			`#include <amd64/bsd_asm.h>`
Comment out __FBSDID 2011-12-15 07:16:26 +01:00			`//__FBSDID("$FreeBSD: src/lib/msun/amd64/s_logbl.S,v 1.4 2011/01/07 16:13:12 kib Exp $")`
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00
			`ENTRY(logbl)`
fix calling convention on win64, mostly passing the numerical tests 2013-07-12 02:19:52 +02:00			`#ifndef _WIN64`
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00			`fldt 8(%rsp)`
fix calling convention on win64, mostly passing the numerical tests 2013-07-12 02:19:52 +02:00			`#else`
			`fldt (%rdx)`
			`#endif`
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00			`fxtract`
			`fstp %st`
fix calling convention on win64, mostly passing the numerical tests 2013-07-12 02:19:52 +02:00			`#ifdef _WIN64`
			`mov %rcx,%rax`
			`movq $0x0,0x8(%rcx)`
			`fstpt (%rcx)`
			`#endif`
Initialize repo. FreeBSD 8.2 msun code + some tweaks 2011-08-12 21:01:25 +02:00			`ret`

Allow compilation of assembly files on OSX 2012-05-25 05:14:58 +02:00
Enable stack protection in all .S files Hardware stack protection is required by most distributions. See https://wiki.gentoo.org/wiki/Project:Hardened/GNU_stack_quickstart 2013-12-21 21:18:57 +01:00			`/* Enable stack protection */`
Enable stack protection for all ELFs, not only __linux__ 2015-11-07 10:28:48 +01:00			`#if defined(__ELF__)`
Enable stack protection in all .S files Hardware stack protection is required by most distributions. See https://wiki.gentoo.org/wiki/Project:Hardened/GNU_stack_quickstart 2013-12-21 21:18:57 +01:00			`.section .note.GNU-stack,"",%progbits`
			`#endif`