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view libtommath/etc/timer.asm @ 1299:24e563b90f12

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Support out-of-tree builds usign bundled libtom When building out-of-tree we need both source and generated folders in include paths to find both distributed and generated headers.
author Henrik Nordström <henrik@knc.nu>
date Wed, 11 May 2016 12:35:06 +0200
parents eed26cff980b
children
line wrap: on
line source

; x86 timer in NASM
;
; Tom St Denis, [email protected]
[bits 32]
[section .data]
time dd 0, 0

[section .text]

%ifdef USE_ELF
[global t_start]
t_start:
%else
[global _t_start]
_t_start:
%endif
   push edx
   push eax
   rdtsc
   mov [time+0],edx
   mov [time+4],eax
   pop eax
   pop edx
   ret
   
%ifdef USE_ELF
[global t_read]
t_read:
%else
[global _t_read]
_t_read:
%endif
   rdtsc
   sub eax,[time+4]
   sbb edx,[time+0]
   ret