Author: imp
Date: Thu Jan 8 00:39:40 2015
New Revision: 276801
URL: https://svnweb.freebsd.org/changeset/base/276801
Log:
Don't call the SSE routines when they aren't enabled (or even compiled
into the kernel).
Modified:
head/sys/i386/i386/elf_machdep.c
Modified: head/sys/i386/i386/elf_machdep.c
==============================================================================
--- head/sys/i386/i386/elf_machdep.c Thu Jan 8 00:39:30 2015
(r276800)
+++ head/sys/i386/i386/elf_machdep.c Thu Jan 8 00:39:40 2015
(r276801)
@@ -47,6 +47,10 @@ __FBSDID("$FreeBSD$");
#include <machine/md_var.h>
#include <machine/npx.h>
+#if !defined(CPU_DISABLE_SSE) && defined(I686_CPU)
+#define CPU_ENABLE_SSE
+#endif
+
struct sysentvec elf32_freebsd_sysvec = {
.sv_size = SYS_MAXSYSCALL,
.sv_table = sysent,
@@ -137,10 +141,13 @@ SYSINIT(kelf32, SI_SUB_EXEC, SI_ORDER_AN
void
elf32_dump_thread(struct thread *td, void *dst, size_t *off)
{
+#ifdef CPU_ENABLE_SSE
void *buf;
+#endif
size_t len;
len = 0;
+#ifdef CPU_ENABLE_SSE
if (use_xsave) {
if (dst != NULL) {
npxgetregs(td);
@@ -153,6 +160,7 @@ elf32_dump_thread(struct thread *td, voi
len += elf32_populate_note(NT_X86_XSTATE, NULL, NULL,
cpu_max_ext_state_size, NULL);
}
+#endif
*off = len;
}
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