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core: make cpuid code compile cleanly with 32bit PIC

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This commit is contained in:
Lennart Poettering 2009-11-11 04:50:32 +01:00
parent d9b5bbca01
commit 2294642762
1 changed files with 6 additions and 2 deletions
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8
src/pulsecore/core-util.c
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@ -117,6 +117,7 @@
#include <pulsecore/strbuf.h>
#include <pulsecore/usergroup.h>
#include <pulsecore/strlist.h>
#include <pulsecore/cpu-x86.h>
#include "core-util.h"
@ -3085,10 +3086,13 @@ pa_bool_t pa_running_in_vm(void) {
pa_zero(sig);
__asm__ __volatile__ (
" xor %%ebx, %%ebx \n\t"
/* ebx/rbx is being used for PIC! */
" push %%"PA_REG_b" \n\t"
" cpuid \n\t"
" mov %%ebx, %1 \n\t"
" pop %%"PA_REG_b" \n\t"
: "=a" (eax), "=b" (sig.sig32[0]), "=c" (sig.sig32[1]), "=d" (sig.sig32[2])
: "=a" (eax), "=r" (sig.sig32[0]), "=c" (sig.sig32[1]), "=d" (sig.sig32[2])
: "0" (eax)
);