OpenLibm/amd64/e_remainderl.S
Milan Bouchet-Valat 0affa5be19 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 21:19:54 +01:00

35 lines
610 B
ArmAsm

/*
* Based on the i387 version written by:
* J.T. Conklin (jtc@netbsd.org)
* Public domain.
*/
#include <amd64/bsd_asm.h>
//__FBSDID("$FreeBSD: src/lib/msun/amd64/e_remainderl.S,v 1.2 2011/01/07 16:13:12 kib Exp $")
ENTRY(remainderl)
#ifndef _WIN64
fldt 24(%rsp)
fldt 8(%rsp)
#else
fldt (%r8)
fldt (%rdx)
#endif
1: fprem1
fstsw %ax
testw $0x400,%ax
jne 1b
fstp %st(1)
#ifdef _WIN64
mov %rcx,%rax
movq $0x0,0x8(%rcx)
fstpt (%rcx)
#endif
ret
/* Enable stack protection */
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif